diff options
| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
| commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
| tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/sh/boards | |
| download | op-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip op-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz | |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/sh/boards')
121 files changed, 11783 insertions, 0 deletions
diff --git a/arch/sh/boards/adx/Makefile b/arch/sh/boards/adx/Makefile new file mode 100644 index 0000000..5b1c531 --- /dev/null +++ b/arch/sh/boards/adx/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for ADX boards +# + +obj-y := setup.o irq.o irq_maskreq.o + diff --git a/arch/sh/boards/adx/irq.c b/arch/sh/boards/adx/irq.c new file mode 100644 index 0000000..c6ca409 --- /dev/null +++ b/arch/sh/boards/adx/irq.c @@ -0,0 +1,31 @@ +/* + * linux/arch/sh/boards/adx/irq.c + * + * Copyright (C) 2001 A&D Co., Ltd. + * + * I/O routine and setup routines for A&D ADX Board + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ + +#include <asm/irq.h> + +void init_adx_IRQ(void) +{ + int i; + +/* printk("init_adx_IRQ()\n");*/ + /* setup irq_mask_register */ + irq_mask_register = (unsigned short *)0xa6000008; + + /* cover all external interrupt area by maskreg_irq_type + * (Actually, irq15 doesn't exist) + */ + for (i = 0; i < 16; i++) { + make_maskreg_irq(i); + disable_irq(i); + } +} diff --git a/arch/sh/boards/adx/irq_maskreg.c b/arch/sh/boards/adx/irq_maskreg.c new file mode 100644 index 0000000..ca91bb0 --- /dev/null +++ b/arch/sh/boards/adx/irq_maskreg.c @@ -0,0 +1,107 @@ +/* + * linux/arch/sh/kernel/irq_maskreg.c + * + * Copyright (C) 2001 A&D Co., Ltd. <http://www.aandd.co.jp> + * + * This file may be copied or modified under the terms of the GNU + * General Public License. See linux/COPYING for more information. + * + * Interrupt handling for Simple external interrupt mask register + * + * This is for the machine which have single 16 bit register + * for masking external IRQ individually. + * Each bit of the register is for masking each interrupt. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/system.h> +#include <asm/io.h> +#include <asm/machvec.h> + +/* address of external interrupt mask register + * address must be set prior to use these (maybe in init_XXX_irq()) + * XXX : is it better to use .config than specifying it in code? */ +unsigned short *irq_mask_register = 0; + +/* forward declaration */ +static unsigned int startup_maskreg_irq(unsigned int irq); +static void shutdown_maskreg_irq(unsigned int irq); +static void enable_maskreg_irq(unsigned int irq); +static void disable_maskreg_irq(unsigned int irq); +static void mask_and_ack_maskreg(unsigned int); +static void end_maskreg_irq(unsigned int irq); + +/* hw_interrupt_type */ +static struct hw_interrupt_type maskreg_irq_type = { + " Mask Register", + startup_maskreg_irq, + shutdown_maskreg_irq, + enable_maskreg_irq, + disable_maskreg_irq, + mask_and_ack_maskreg, + end_maskreg_irq +}; + +/* actual implementatin */ +static unsigned int startup_maskreg_irq(unsigned int irq) +{ + enable_maskreg_irq(irq); + return 0; /* never anything pending */ +} + +static void shutdown_maskreg_irq(unsigned int irq) +{ + disable_maskreg_irq(irq); +} + +static void disable_maskreg_irq(unsigned int irq) +{ + if (irq_mask_register) { + unsigned long flags; + unsigned short val, mask = 0x01 << irq; + + /* Set "irq"th bit */ + local_irq_save(flags); + val = ctrl_inw((unsigned long)irq_mask_register); + val |= mask; + ctrl_outw(val, (unsigned long)irq_mask_register); + local_irq_restore(flags); + } +} + +static void enable_maskreg_irq(unsigned int irq) +{ + if (irq_mask_register) { + unsigned long flags; + unsigned short val, mask = ~(0x01 << irq); + + /* Clear "irq"th bit */ + local_irq_save(flags); + val = ctrl_inw((unsigned long)irq_mask_register); + val &= mask; + ctrl_outw(val, (unsigned long)irq_mask_register); + local_irq_restore(flags); + } +} + +static void mask_and_ack_maskreg(unsigned int irq) +{ + disable_maskreg_irq(irq); +} + +static void end_maskreg_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_maskreg_irq(irq); +} + +void make_maskreg_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &maskreg_irq_type; + disable_maskreg_irq(irq); +} diff --git a/arch/sh/boards/adx/setup.c b/arch/sh/boards/adx/setup.c new file mode 100644 index 0000000..4938d95 --- /dev/null +++ b/arch/sh/boards/adx/setup.c @@ -0,0 +1,56 @@ +/* + * linux/arch/sh/board/adx/setup.c + * + * Copyright (C) 2001 A&D Co., Ltd. + * + * I/O routine and setup routines for A&D ADX Board + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ + +#include <asm/machvec.h> +#include <linux/module.h> + +extern void init_adx_IRQ(void); +extern void *cf_io_base; + +const char *get_system_type(void) +{ + return "A&D ADX"; +} + +unsigned long adx_isa_port2addr(unsigned long offset) +{ + /* CompactFlash (IDE) */ + if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset == 0x3f6)) { + return (unsigned long)cf_io_base + offset; + } + + /* eth0 */ + if ((offset >= 0x300) && (offset <= 0x30f)) { + return 0xa5000000 + offset; /* COMM BOARD (AREA1) */ + } + + return offset + 0xb0000000; /* IOBUS (AREA 4)*/ +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_adx __initmv = { + .mv_nr_irqs = 48, + .mv_isa_port2addr = adx_isa_port2addr, + .mv_init_irq = init_adx_IRQ, +}; +ALIAS_MV(adx) + +int __init platform_setup(void) +{ + /* Nothing to see here .. */ + return 0; +} + diff --git a/arch/sh/boards/bigsur/Makefile b/arch/sh/boards/bigsur/Makefile new file mode 100644 index 0000000..0ff9497 --- /dev/null +++ b/arch/sh/boards/bigsur/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the BigSur specific parts of the kernel +# + +obj-y := setup.o io.o irq.o led.o + diff --git a/arch/sh/boards/bigsur/io.c b/arch/sh/boards/bigsur/io.c new file mode 100644 index 0000000..697144d --- /dev/null +++ b/arch/sh/boards/bigsur/io.c @@ -0,0 +1,125 @@ +/* + * include/asm-sh/io_bigsur.c + * + * By Dustin McIntire (dustin@sensoria.com) (c)2001 + * Derived from io_hd64465.h, which bore the message: + * By Greg Banks <gbanks@pocketpenguins.com> + * (c) 2000 PocketPenguins Inc. + * and from io_hd64461.h, which bore the message: + * Copyright 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * IO functions for a Hitachi Big Sur Evaluation Board. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <asm/machvec.h> +#include <asm/io.h> +#include <asm/bigsur/bigsur.h> + +/* Low iomap maps port 0-1K to addresses in 8byte chunks */ +#define BIGSUR_IOMAP_LO_THRESH 0x400 +#define BIGSUR_IOMAP_LO_SHIFT 3 +#define BIGSUR_IOMAP_LO_MASK ((1<<BIGSUR_IOMAP_LO_SHIFT)-1) +#define BIGSUR_IOMAP_LO_NMAP (BIGSUR_IOMAP_LO_THRESH>>BIGSUR_IOMAP_LO_SHIFT) +static u32 bigsur_iomap_lo[BIGSUR_IOMAP_LO_NMAP]; +static u8 bigsur_iomap_lo_shift[BIGSUR_IOMAP_LO_NMAP]; + +/* High iomap maps port 1K-64K to addresses in 1K chunks */ +#define BIGSUR_IOMAP_HI_THRESH 0x10000 +#define BIGSUR_IOMAP_HI_SHIFT 10 +#define BIGSUR_IOMAP_HI_MASK ((1<<BIGSUR_IOMAP_HI_SHIFT)-1) +#define BIGSUR_IOMAP_HI_NMAP (BIGSUR_IOMAP_HI_THRESH>>BIGSUR_IOMAP_HI_SHIFT) +static u32 bigsur_iomap_hi[BIGSUR_IOMAP_HI_NMAP]; +static u8 bigsur_iomap_hi_shift[BIGSUR_IOMAP_HI_NMAP]; + +#ifndef MAX +#define MAX(a,b) ((a)>(b)?(a):(b)) +#endif + +void bigsur_port_map(u32 baseport, u32 nports, u32 addr, u8 shift) +{ + u32 port, endport = baseport + nports; + + pr_debug("bigsur_port_map(base=0x%0x, n=0x%0x, addr=0x%08x)\n", + baseport, nports, addr); + + for (port = baseport ; + port < endport && port < BIGSUR_IOMAP_LO_THRESH ; + port += (1<<BIGSUR_IOMAP_LO_SHIFT)) { + pr_debug(" maplo[0x%x] = 0x%08x\n", port, addr); + bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = addr; + bigsur_iomap_lo_shift[port>>BIGSUR_IOMAP_LO_SHIFT] = shift; + addr += (1<<(BIGSUR_IOMAP_LO_SHIFT)); + } + + for (port = MAX(baseport, BIGSUR_IOMAP_LO_THRESH) ; + port < endport && port < BIGSUR_IOMAP_HI_THRESH ; + port += (1<<BIGSUR_IOMAP_HI_SHIFT)) { + pr_debug(" maphi[0x%x] = 0x%08x\n", port, addr); + bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = addr; + bigsur_iomap_hi_shift[port>>BIGSUR_IOMAP_HI_SHIFT] = shift; + addr += (1<<(BIGSUR_IOMAP_HI_SHIFT)); + } +} +EXPORT_SYMBOL(bigsur_port_map); + +void bigsur_port_unmap(u32 baseport, u32 nports) +{ + u32 port, endport = baseport + nports; + + pr_debug("bigsur_port_unmap(base=0x%0x, n=0x%0x)\n", baseport, nports); + + for (port = baseport ; + port < endport && port < BIGSUR_IOMAP_LO_THRESH ; + port += (1<<BIGSUR_IOMAP_LO_SHIFT)) { + bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = 0; + } + + for (port = MAX(baseport, BIGSUR_IOMAP_LO_THRESH) ; + port < endport && port < BIGSUR_IOMAP_HI_THRESH ; + port += (1<<BIGSUR_IOMAP_HI_SHIFT)) { + bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = 0; + } +} +EXPORT_SYMBOL(bigsur_port_unmap); + +unsigned long bigsur_isa_port2addr(unsigned long port) +{ + unsigned long addr = 0; + unsigned char shift; + + /* Physical address not in P0, do nothing */ + if (PXSEG(port)) { + addr = port; + /* physical address in P0, map to P2 */ + } else if (port >= 0x30000) { + addr = P2SEGADDR(port); + /* Big Sur I/O + HD64465 registers 0x10000-0x30000 */ + } else if (port >= BIGSUR_IOMAP_HI_THRESH) { + addr = BIGSUR_INTERNAL_BASE + (port - BIGSUR_IOMAP_HI_THRESH); + /* Handle remapping of high IO/PCI IO ports */ + } else if (port >= BIGSUR_IOMAP_LO_THRESH) { + addr = bigsur_iomap_hi[port >> BIGSUR_IOMAP_HI_SHIFT]; + shift = bigsur_iomap_hi_shift[port >> BIGSUR_IOMAP_HI_SHIFT]; + + if (addr != 0) + addr += (port & BIGSUR_IOMAP_HI_MASK) << shift; + } else { + /* Handle remapping of low IO ports */ + addr = bigsur_iomap_lo[port >> BIGSUR_IOMAP_LO_SHIFT]; + shift = bigsur_iomap_lo_shift[port >> BIGSUR_IOMAP_LO_SHIFT]; + + if (addr != 0) + addr += (port & BIGSUR_IOMAP_LO_MASK) << shift; + } + + pr_debug("%s(0x%08lx) = 0x%08lx\n", __FUNCTION__, port, addr); + + return addr; +} + diff --git a/arch/sh/boards/bigsur/irq.c b/arch/sh/boards/bigsur/irq.c new file mode 100644 index 0000000..c188fc32 --- /dev/null +++ b/arch/sh/boards/bigsur/irq.c @@ -0,0 +1,348 @@ +/* + * + * By Dustin McIntire (dustin@sensoria.com) (c)2001 + * + * Setup and IRQ handling code for the HD64465 companion chip. + * by Greg Banks <gbanks@pocketpenguins.com> + * Copyright (c) 2000 PocketPenguins Inc + * + * Derived from setup_hd64465.c which bore the message: + * Greg Banks <gbanks@pocketpenguins.com> + * Copyright (c) 2000 PocketPenguins Inc and + * Copyright (C) 2000 YAEGASHI Takeshi + * and setup_cqreek.c which bore message: + * Copyright (C) 2000 Niibe Yutaka + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * IRQ functions for a Hitachi Big Sur Evaluation Board. + * + */ + +#include <linux/config.h> +#include <linux/sched.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/bitops.h> + +#include <asm/io.h> +#include <asm/irq.h> + +#include <asm/bigsur/io.h> +#include <asm/hd64465/hd64465.h> +#include <asm/bigsur/bigsur.h> + +//#define BIGSUR_DEBUG 3 +#undef BIGSUR_DEBUG + +#ifdef BIGSUR_DEBUG +#define DPRINTK(args...) printk(args) +#define DIPRINTK(n, args...) if (BIGSUR_DEBUG>(n)) printk(args) +#else +#define DPRINTK(args...) +#define DIPRINTK(n, args...) +#endif /* BIGSUR_DEBUG */ + +#ifdef CONFIG_HD64465 +extern int hd64465_irq_demux(int irq); +#endif /* CONFIG_HD64465 */ + + +/*===========================================================*/ +// Big Sur CPLD IRQ Routines +/*===========================================================*/ + +/* Level 1 IRQ routines */ +static void disable_bigsur_l1irq(unsigned int irq) +{ + unsigned long flags; + unsigned char mask; + unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0; + unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) ); + + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { + DPRINTK("Disable L1 IRQ %d\n", irq); + DIPRINTK(2,"disable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n", + mask_port, bit); + local_irq_save(flags); + + /* Disable IRQ - set mask bit */ + mask = inb(mask_port) | bit; + outb(mask, mask_port); + local_irq_restore(flags); + return; + } + DPRINTK("disable_bigsur_l1irq: Invalid IRQ %d\n", irq); +} + +static void enable_bigsur_l1irq(unsigned int irq) +{ + unsigned long flags; + unsigned char mask; + unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0; + unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) ); + + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { + DPRINTK("Enable L1 IRQ %d\n", irq); + DIPRINTK(2,"enable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n", + mask_port, bit); + local_irq_save(flags); + /* Enable L1 IRQ - clear mask bit */ + mask = inb(mask_port) & ~bit; + outb(mask, mask_port); + local_irq_restore(flags); + return; + } + DPRINTK("enable_bigsur_l1irq: Invalid IRQ %d\n", irq); +} + + +/* Level 2 irq masks and registers for L2 decoding */ +/* Level2 bitmasks for each level 1 IRQ */ +const u32 bigsur_l2irq_mask[] = + {0x40,0x80,0x08,0x01,0x01,0x3C,0x3E,0xFF,0x40,0x80,0x06,0x03}; +/* Level2 to ISR[n] map for each level 1 IRQ */ +const u32 bigsur_l2irq_reg[] = + { 2, 2, 3, 3, 1, 2, 1, 0, 1, 1, 3, 2}; +/* Level2 to Level 1 IRQ map */ +const u32 bigsur_l2_l1_map[] = + {7,7,7,7,7,7,7,7, 4,6,6,6,6,6,8,9, 11,11,5,5,5,5,0,1, 3,10,10,2,-1,-1,-1,-1}; +/* IRQ inactive level (high or low) */ +const u32 bigsur_l2_inactv_state[] = {0x00, 0xBE, 0xFC, 0xF7}; + +/* CPLD external status and mask registers base and offsets */ +static const u32 isr_base = BIGSUR_IRQ0; +static const u32 isr_offset = BIGSUR_IRQ0 - BIGSUR_IRQ1; +static const u32 imr_base = BIGSUR_IMR0; +static const u32 imr_offset = BIGSUR_IMR0 - BIGSUR_IMR1; + +#define REG_NUM(irq) ((irq-BIGSUR_2NDLVL_IRQ_LOW)/8 ) + +/* Level 2 IRQ routines */ +static void disable_bigsur_l2irq(unsigned int irq) +{ + unsigned long flags; + unsigned char mask; + unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8); + unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset; + + if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) { + DPRINTK("Disable L2 IRQ %d\n", irq); + DIPRINTK(2,"disable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n", + mask_port, bit); + local_irq_save(flags); + + /* Disable L2 IRQ - set mask bit */ + mask = inb(mask_port) | bit; + outb(mask, mask_port); + local_irq_restore(flags); + return; + } + DPRINTK("disable_bigsur_l2irq: Invalid IRQ %d\n", irq); +} + +static void enable_bigsur_l2irq(unsigned int irq) +{ + unsigned long flags; + unsigned char mask; + unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8); + unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset; + + if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) { + DPRINTK("Enable L2 IRQ %d\n", irq); + DIPRINTK(2,"enable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n", + mask_port, bit); + local_irq_save(flags); + + /* Enable L2 IRQ - clear mask bit */ + mask = inb(mask_port) & ~bit; + outb(mask, mask_port); + local_irq_restore(flags); + return; + } + DPRINTK("enable_bigsur_l2irq: Invalid IRQ %d\n", irq); +} + +static void mask_and_ack_bigsur(unsigned int irq) +{ + DPRINTK("mask_and_ack_bigsur IRQ %d\n", irq); + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) + disable_bigsur_l1irq(irq); + else + disable_bigsur_l2irq(irq); +} + +static void end_bigsur_irq(unsigned int irq) +{ + DPRINTK("end_bigsur_irq IRQ %d\n", irq); + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) { + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) + enable_bigsur_l1irq(irq); + else + enable_bigsur_l2irq(irq); + } +} + +static unsigned int startup_bigsur_irq(unsigned int irq) +{ + u8 mask; + u32 reg; + + DPRINTK("startup_bigsur_irq IRQ %d\n", irq); + + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { + /* Enable the L1 IRQ */ + enable_bigsur_l1irq(irq); + /* Enable all L2 IRQs in this L1 IRQ */ + mask = ~(bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW]); + reg = imr_base - bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW] * imr_offset; + mask &= inb(reg); + outb(mask,reg); + DIPRINTK(2,"startup_bigsur_irq: IMR=0x%08x mask=0x%x\n",reg,inb(reg)); + } + else { + /* Enable the L2 IRQ - clear mask bit */ + enable_bigsur_l2irq(irq); + /* Enable the L1 bit masking this L2 IRQ */ + enable_bigsur_l1irq(bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW]); + DIPRINTK(2,"startup_bigsur_irq: L1=%d L2=%d\n", + bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW],irq); + } + return 0; +} + +static void shutdown_bigsur_irq(unsigned int irq) +{ + DPRINTK("shutdown_bigsur_irq IRQ %d\n", irq); + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) + disable_bigsur_l1irq(irq); + else + disable_bigsur_l2irq(irq); +} + +/* Define the IRQ structures for the L1 and L2 IRQ types */ +static struct hw_interrupt_type bigsur_l1irq_type = { + "BigSur-CPLD-Level1-IRQ", + startup_bigsur_irq, + shutdown_bigsur_irq, + enable_bigsur_l1irq, + disable_bigsur_l1irq, + mask_and_ack_bigsur, + end_bigsur_irq +}; + +static struct hw_interrupt_type bigsur_l2irq_type = { + "BigSur-CPLD-Level2-IRQ", + startup_bigsur_irq, + shutdown_bigsur_irq, + enable_bigsur_l2irq, + disable_bigsur_l2irq, + mask_and_ack_bigsur, + end_bigsur_irq +}; + + +static void make_bigsur_l1isr(unsigned int irq) { + + /* sanity check first */ + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { + /* save the handler in the main description table */ + irq_desc[irq].handler = &bigsur_l1irq_type; + irq_desc[irq].status = IRQ_DISABLED; + irq_desc[irq].action = 0; + irq_desc[irq].depth = 1; + + disable_bigsur_l1irq(irq); + return; + } + DPRINTK("make_bigsur_l1isr: bad irq, %d\n", irq); + return; +} + +static void make_bigsur_l2isr(unsigned int irq) { + + /* sanity check first */ + if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) { + /* save the handler in the main description table */ + irq_desc[irq].handler = &bigsur_l2irq_type; + irq_desc[irq].status = IRQ_DISABLED; + irq_desc[irq].action = 0; + irq_desc[irq].depth = 1; + + disable_bigsur_l2irq(irq); + return; + } + DPRINTK("make_bigsur_l2isr: bad irq, %d\n", irq); + return; +} + +/* The IRQ's will be decoded as follows: + * If a level 2 handler exists and there is an unmasked active + * IRQ, the 2nd level handler will be called. + * If a level 2 handler does not exist for the active IRQ + * the 1st level handler will be called. + */ + +int bigsur_irq_demux(int irq) +{ + int dmux_irq = irq; + u8 mask, actv_irqs; + u32 reg_num; + + DIPRINTK(3,"bigsur_irq_demux, irq=%d\n", irq); + /* decode the 1st level IRQ */ + if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { + /* Get corresponding L2 ISR bitmask and ISR number */ + mask = bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW]; + reg_num = bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW]; + /* find the active IRQ's (XOR with inactive level)*/ + actv_irqs = inb(isr_base-reg_num*isr_offset) ^ + bigsur_l2_inactv_state[reg_num]; + /* decode active IRQ's */ + actv_irqs = actv_irqs & mask & ~(inb(imr_base-reg_num*imr_offset)); + /* if NEZ then we have an active L2 IRQ */ + if(actv_irqs) dmux_irq = ffz(~actv_irqs) + reg_num*8+BIGSUR_2NDLVL_IRQ_LOW; + /* if no 2nd level IRQ action, but has 1st level, use 1st level handler */ + if(!irq_desc[dmux_irq].action && irq_desc[irq].action) + dmux_irq = irq; + DIPRINTK(1,"bigsur_irq_demux: irq=%d dmux_irq=%d mask=0x%04x reg=%d\n", + irq, dmux_irq, mask, reg_num); + } +#ifdef CONFIG_HD64465 + dmux_irq = hd64465_irq_demux(dmux_irq); +#endif /* CONFIG_HD64465 */ + DIPRINTK(3,"bigsur_irq_demux, demux_irq=%d\n", dmux_irq); + + return dmux_irq; +} + +/*===========================================================*/ +// Big Sur Init Routines +/*===========================================================*/ +void __init init_bigsur_IRQ(void) +{ + int i; + + if (!MACH_BIGSUR) return; + + /* Create ISR's for Big Sur CPLD IRQ's */ + /*==============================================================*/ + for(i=BIGSUR_IRQ_LOW;i<BIGSUR_IRQ_HIGH;i++) + make_bigsur_l1isr(i); + + printk(KERN_INFO "Big Sur CPLD L1 interrupts %d to %d.\n", + BIGSUR_IRQ_LOW,BIGSUR_IRQ_HIGH); + + for(i=BIGSUR_2NDLVL_IRQ_LOW;i<BIGSUR_2NDLVL_IRQ_HIGH;i++) + make_bigsur_l2isr(i); + + printk(KERN_INFO "Big Sur CPLD L2 interrupts %d to %d.\n", + BIGSUR_2NDLVL_IRQ_LOW,BIGSUR_2NDLVL_IRQ_HIGH); + +} diff --git a/arch/sh/boards/bigsur/led.c b/arch/sh/boards/bigsur/led.c new file mode 100644 index 0000000..0a2339c --- /dev/null +++ b/arch/sh/boards/bigsur/led.c @@ -0,0 +1,55 @@ +/* + * linux/arch/sh/kernel/led_bigsur.c + * + * By Dustin McIntire (dustin@sensoria.com) (c)2001 + * Derived from led_se.c and led.c, which bore the message: + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Big Sur specific LED code. + */ + +#include <linux/config.h> +#include <asm/io.h> +#include <asm/bigsur/bigsur.h> + +static void mach_led(int position, int value) +{ + int word; + + word = bigsur_inl(BIGSUR_CSLR); + if (value) { + bigsur_outl(word & ~BIGSUR_LED, BIGSUR_CSLR); + } else { + bigsur_outl(word | BIGSUR_LED, BIGSUR_CSLR); + } +} + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* Cycle the LED on/off */ +void heartbeat_bigsur(void) +{ + static unsigned cnt = 0, period = 0, dist = 0; + + if (cnt == 0 || cnt == dist) + mach_led( -1, 1); + else if (cnt == 7 || cnt == dist+7) + mach_led( -1, 0); + + if (++cnt > period) { + cnt = 0; + /* The hyperbolic function below modifies the heartbeat period + * length in dependency of the current (5min) load. It goes + * through the points f(0)=126, f(1)=86, f(5)=51, + * f(inf)->30. */ + period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; + dist = period / 4; + } +} +#endif /* CONFIG_HEARTBEAT */ + diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c new file mode 100644 index 0000000..e69be05 --- /dev/null +++ b/arch/sh/boards/bigsur/setup.c @@ -0,0 +1,96 @@ +/* + * + * By Dustin McIntire (dustin@sensoria.com) (c)2001 + * + * Setup and IRQ handling code for the HD64465 companion chip. + * by Greg Banks <gbanks@pocketpenguins.com> + * Copyright (c) 2000 PocketPenguins Inc + * + * Derived from setup_hd64465.c which bore the message: + * Greg Banks <gbanks@pocketpenguins.com> + * Copyright (c) 2000 PocketPenguins Inc and + * Copyright (C) 2000 YAEGASHI Takeshi + * and setup_cqreek.c which bore message: + * Copyright (C) 2000 Niibe Yutaka + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Setup functions for a Hitachi Big Sur Evaluation Board. + * + */ + +#include <linux/config.h> +#include <linux/sched.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/bitops.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/machvec.h> +#include <asm/bigsur/io.h> +#include <asm/hd64465/hd64465.h> +#include <asm/bigsur/bigsur.h> + +/*===========================================================*/ +// Big Sur Init Routines +/*===========================================================*/ + +const char *get_system_type(void) +{ + return "Big Sur"; +} + +/* + * The Machine Vector + */ +extern void heartbeat_bigsur(void); +extern void init_bigsur_IRQ(void); + +struct sh_machine_vector mv_bigsur __initmv = { + .mv_nr_irqs = NR_IRQS, // Defined in <asm/irq.h> + + .mv_isa_port2addr = bigsur_isa_port2addr, + .mv_irq_demux = bigsur_irq_demux, + + .mv_init_irq = init_bigsur_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_bigsur, +#endif +}; +ALIAS_MV(bigsur) + +int __init platform_setup(void) +{ + /* Mask all 2nd level IRQ's */ + outb(-1,BIGSUR_IMR0); + outb(-1,BIGSUR_IMR1); + outb(-1,BIGSUR_IMR2); + outb(-1,BIGSUR_IMR3); + + /* Mask 1st level interrupts */ + outb(-1,BIGSUR_IRLMR0); + outb(-1,BIGSUR_IRLMR1); + +#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL) + /* remap IO ports for first ISA serial port to HD64465 UART */ + bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1); +#endif /* CONFIG_HD64465 && CONFIG_SERIAL */ + /* TODO: setup IDE registers */ + bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8); + /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */ + bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0); + /* set page to 1 */ + outw(1, BIGSUR_ETHR+0xe); + /* set the IO port to BIGSUR_ETHER_IOPORT */ + outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2); + + return 0; +} + diff --git a/arch/sh/boards/cat68701/Makefile b/arch/sh/boards/cat68701/Makefile new file mode 100644 index 0000000..52c1de0 --- /dev/null +++ b/arch/sh/boards/cat68701/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the CAT-68701 specific parts of the kernel +# + +obj-y := setup.o irq.o + diff --git a/arch/sh/boards/cat68701/irq.c b/arch/sh/boards/cat68701/irq.c new file mode 100644 index 0000000..f9a6d18 --- /dev/null +++ b/arch/sh/boards/cat68701/irq.c @@ -0,0 +1,28 @@ +/* + * linux/arch/sh/boards/cat68701/irq.c + * + * Copyright (C) 2000 Niibe Yutaka + * 2001 Yutaro Ebihara + * + * Setup routines for A-ONE Corp CAT-68701 SH7708 Board + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ + +#include <asm/irq.h> + +int cat68701_irq_demux(int irq) +{ + if(irq==13) return 14; + if(irq==7) return 10; + return irq; +} + +void init_cat68701_IRQ() +{ + make_imask_irq(10); + make_imask_irq(14); +} diff --git a/arch/sh/boards/cat68701/setup.c b/arch/sh/boards/cat68701/setup.c new file mode 100644 index 0000000..ae8a350 --- /dev/null +++ b/arch/sh/boards/cat68701/setup.c @@ -0,0 +1,86 @@ +/* + * linux/arch/sh/boards/cat68701/setup.c + * + * Copyright (C) 2000 Niibe Yutaka + * 2001 Yutaro Ebihara + * + * Setup routines for A-ONE Corp CAT-68701 SH7708 Board + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ + +#include <asm/io.h> +#include <asm/machvec.h> +#include <asm/mach/io.h> +#include <linux/config.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/sched.h> + +const char *get_system_type(void) +{ + return "CAT-68701"; +} + +#ifdef CONFIG_HEARTBEAT +void heartbeat_cat68701() +{ + static unsigned int cnt = 0, period = 0 , bit = 0; + cnt += 1; + if (cnt < period) { + return; + } + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ( (300<<FSHIFT)/ + ((avenrun[0]/5) + (3<<FSHIFT)) ); + + if(bit){ bit=0; }else{ bit=1; } + outw(bit<<15,0x3fe); +} +#endif /* CONFIG_HEARTBEAT */ + +unsigned long cat68701_isa_port2addr(unsigned long offset) +{ + /* CompactFlash (IDE) */ + if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset==0x3f6)) + return 0xba000000 + offset; + + /* INPUT PORT */ + if ((offset >= 0x3fc) && (offset <= 0x3fd)) + return 0xb4007000 + offset; + + /* OUTPUT PORT */ + if ((offset >= 0x3fe) && (offset <= 0x3ff)) + return 0xb4007400 + offset; + + return offset + 0xb4000000; /* other I/O (EREA 5)*/ +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_cat68701 __initmv = { + .mv_nr_irqs = 32, + .mv_isa_port2addr = cat68701_isa_port2addr, + .mv_irq_demux = cat68701_irq_demux, + + .mv_init_irq = init_cat68701_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_cat68701, +#endif +}; +ALIAS_MV(cat68701) + +int __init platform_setup(void) +{ + /* dummy read erea5 (CS8900A) */ +} + diff --git a/arch/sh/boards/cqreek/Makefile b/arch/sh/boards/cqreek/Makefile new file mode 100644 index 0000000..1a788a8 --- /dev/null +++ b/arch/sh/boards/cqreek/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the CqREEK specific parts of the kernel +# + +obj-y := setup.o irq.o + diff --git a/arch/sh/boards/cqreek/irq.c b/arch/sh/boards/cqreek/irq.c new file mode 100644 index 0000000..fa6cfe5 --- /dev/null +++ b/arch/sh/boards/cqreek/irq.c @@ -0,0 +1,128 @@ +/* $Id: irq.c,v 1.1.2.4 2002/11/04 20:33:56 lethal Exp $ + * + * arch/sh/boards/cqreek/irq.c + * + * Copyright (C) 2000 Niibe Yutaka + * + * CqREEK IDE/ISA Bridge Support. + * + */ + +#include <linux/irq.h> +#include <linux/init.h> + +#include <asm/cqreek/cqreek.h> +#include <asm/io.h> +#include <asm/io_generic.h> +#include <asm/irq.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> +#include <asm/rtc.h> + +struct cqreek_irq_data { + unsigned short mask_port; /* Port of Interrupt Mask Register */ + unsigned short stat_port; /* Port of Interrupt Status Register */ + unsigned short bit; /* Value of the bit */ +}; +static struct cqreek_irq_data cqreek_irq_data[NR_IRQS]; + +static void disable_cqreek_irq(unsigned int irq) +{ + unsigned long flags; + unsigned short mask; + unsigned short mask_port = cqreek_irq_data[irq].mask_port; + unsigned short bit = cqreek_irq_data[irq].bit; + + local_irq_save(flags); + /* Disable IRQ */ + mask = inw(mask_port) & ~bit; + outw_p(mask, mask_port); + local_irq_restore(flags); +} + +static void enable_cqreek_irq(unsigned int irq) +{ + unsigned long flags; + unsigned short mask; + unsigned short mask_port = cqreek_irq_data[irq].mask_port; + unsigned short bit = cqreek_irq_data[irq].bit; + + local_irq_save(flags); + /* Enable IRQ */ + mask = inw(mask_port) | bit; + outw_p(mask, mask_port); + local_irq_restore(flags); +} + +static void mask_and_ack_cqreek(unsigned int irq) +{ + unsigned short stat_port = cqreek_irq_data[irq].stat_port; + unsigned short bit = cqreek_irq_data[irq].bit; + + disable_cqreek_irq(irq); + /* Clear IRQ (it might be edge IRQ) */ + inw(stat_port); + outw_p(bit, stat_port); +} + +static void end_cqreek_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_cqreek_irq(irq); +} + +static unsigned int startup_cqreek_irq(unsigned int irq) +{ + enable_cqreek_irq(irq); + return 0; +} + +static void shutdown_cqreek_irq(unsigned int irq) +{ + disable_cqreek_irq(irq); +} + +static struct hw_interrupt_type cqreek_irq_type = { + "CqREEK-IRQ", + startup_cqreek_irq, + shutdown_cqreek_irq, + enable_cqreek_irq, + disable_cqreek_irq, + mask_and_ack_cqreek, + end_cqreek_irq +}; + +int cqreek_has_ide, cqreek_has_isa; + +/* XXX: This is just for test for my NE2000 ISA board + What we really need is virtualized IRQ and demultiplexer like HP600 port */ +void __init init_cqreek_IRQ(void) +{ + if (cqreek_has_ide) { + cqreek_irq_data[14].mask_port = BRIDGE_IDE_INTR_MASK; + cqreek_irq_data[14].stat_port = BRIDGE_IDE_INTR_STAT; + cqreek_irq_data[14].bit = 1; + + irq_desc[14].handler = &cqreek_irq_type; + irq_desc[14].status = IRQ_DISABLED; + irq_desc[14].action = 0; + irq_desc[14].depth = 1; + + disable_cqreek_irq(14); + } + + if (cqreek_has_isa) { + cqreek_irq_data[10].mask_port = BRIDGE_ISA_INTR_MASK; + cqreek_irq_data[10].stat_port = BRIDGE_ISA_INTR_STAT; + cqreek_irq_data[10].bit = (1 << 10); + + /* XXX: Err... we may need demultiplexer for ISA irq... */ + irq_desc[10].handler = &cqreek_irq_type; + irq_desc[10].status = IRQ_DISABLED; + irq_desc[10].action = 0; + irq_desc[10].depth = 1; + + disable_cqreek_irq(10); + } +} + diff --git a/arch/sh/boards/cqreek/setup.c b/arch/sh/boards/cqreek/setup.c new file mode 100644 index 0000000..29b537c --- /dev/null +++ b/arch/sh/boards/cqreek/setup.c @@ -0,0 +1,101 @@ +/* $Id: setup.c,v 1.5 2003/08/04 01:51:58 lethal Exp $ + * + * arch/sh/kernel/setup_cqreek.c + * + * Copyright (C) 2000 Niibe Yutaka + * + * CqREEK IDE/ISA Bridge Support. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/mach/cqreek.h> +#include <asm/machvec.h> +#include <asm/io.h> +#include <asm/io_generic.h> +#include <asm/irq.h> +#include <asm/rtc.h> + +#define IDE_OFFSET 0xA4000000UL +#define ISA_OFFSET 0xA4A00000UL + +const char *get_system_type(void) +{ + return "CqREEK"; +} + +static unsigned long cqreek_port2addr(unsigned long port) +{ + if (0x0000<=port && port<=0x0040) + return IDE_OFFSET + port; + if ((0x01f0<=port && port<=0x01f7) || port == 0x03f6) + return IDE_OFFSET + port; + + return ISA_OFFSET + port; +} + +/* + * The Machine Vector + */ +struct sh_machine_vector mv_cqreek __initmv = { +#if defined(CONFIG_CPU_SH4) + .mv_nr_irqs = 48, +#elif defined(CONFIG_CPU_SUBTYPE_SH7708) + .mv_nr_irqs = 32, +#elif defined(CONFIG_CPU_SUBTYPE_SH7709) + .mv_nr_irqs = 61, +#endif + + .mv_init_irq = init_cqreek_IRQ, + + .mv_isa_port2addr = cqreek_port2addr, +}; +ALIAS_MV(cqreek) + +/* + * Initialize the board + */ +void __init platform_setup(void) +{ + int i; +/* udelay is not available at setup time yet... */ +#define DELAY() do {for (i=0; i<10000; i++) ctrl_inw(0xa0000000);} while(0) + + if ((inw (BRIDGE_FEATURE) & 1)) { /* We have IDE interface */ + outw_p(0, BRIDGE_IDE_INTR_LVL); + outw_p(0, BRIDGE_IDE_INTR_MASK); + + outw_p(0, BRIDGE_IDE_CTRL); + DELAY(); + + outw_p(0x8000, BRIDGE_IDE_CTRL); + DELAY(); + + outw_p(0xffff, BRIDGE_IDE_INTR_STAT); /* Clear interrupt status */ + outw_p(0x0f-14, BRIDGE_IDE_INTR_LVL); /* Use 14 IPR */ + outw_p(1, BRIDGE_IDE_INTR_MASK); /* Enable interrupt */ + cqreek_has_ide=1; + } + + if ((inw (BRIDGE_FEATURE) & 2)) { /* We have ISA interface */ + outw_p(0, BRIDGE_ISA_INTR_LVL); + outw_p(0, BRIDGE_ISA_INTR_MASK); + + outw_p(0, BRIDGE_ISA_CTRL); + DELAY(); + outw_p(0x8000, BRIDGE_ISA_CTRL); + DELAY(); + + outw_p(0xffff, BRIDGE_ISA_INTR_STAT); /* Clear interrupt status */ + outw_p(0x0f-10, BRIDGE_ISA_INTR_LVL); /* Use 10 IPR */ + outw_p(0xfff8, BRIDGE_ISA_INTR_MASK); /* Enable interrupt */ + cqreek_has_isa=1; + } + + printk(KERN_INFO "CqREEK Setup (IDE=%d, ISA=%d)...done\n", cqreek_has_ide, cqreek_has_isa); +} + diff --git a/arch/sh/boards/dmida/Makefile b/arch/sh/boards/dmida/Makefile new file mode 100644 index 0000000..75999aa --- /dev/null +++ b/arch/sh/boards/dmida/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the DataMyte Industrial Digital Assistant(tm) specific parts +# of the kernel +# + +obj-y := mach.o + diff --git a/arch/sh/boards/dmida/mach.c b/arch/sh/boards/dmida/mach.c new file mode 100644 index 0000000..d03a25f9 --- /dev/null +++ b/arch/sh/boards/dmida/mach.c @@ -0,0 +1,59 @@ +/* + * linux/arch/sh/boards/dmida/mach.c + * + * by Greg Banks <gbanks@pocketpenguins.com> + * (c) 2000 PocketPenguins Inc + * + * Derived from mach_hp600.c, which bore the message: + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the DataMyte Industrial Digital Assistant(tm). + * See http://www.dmida.com + * + */ + +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/io.h> +#include <asm/hd64465/hd64465.h> +#include <asm/irq.h> + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_dmida __initmv = { + .mv_nr_irqs = HD64465_IRQ_BASE+HD64465_IRQ_NUM, + + .mv_inb = hd64465_inb, + .mv_inw = hd64465_inw, + .mv_inl = hd64465_inl, + .mv_outb = hd64465_outb, + .mv_outw = hd64465_outw, + .mv_outl = hd64465_outl, + + .mv_inb_p = hd64465_inb_p, + .mv_inw_p = hd64465_inw, + .mv_inl_p = hd64465_inl, + .mv_outb_p = hd64465_outb_p, + .mv_outw_p = hd64465_outw, + .mv_outl_p = hd64465_outl, + + .mv_insb = hd64465_insb, + .mv_insw = hd64465_insw, + .mv_insl = hd64465_insl, + .mv_outsb = hd64465_outsb, + .mv_outsw = hd64465_outsw, + .mv_outsl = hd64465_outsl, + + .mv_irq_demux = hd64465_irq_demux, +}; +ALIAS_MV(dmida) + diff --git a/arch/sh/boards/dreamcast/Makefile b/arch/sh/boards/dreamcast/Makefile new file mode 100644 index 0000000..7b97546 --- /dev/null +++ b/arch/sh/boards/dreamcast/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the Sega Dreamcast specific parts of the kernel +# + +obj-y := setup.o irq.o rtc.o + diff --git a/arch/sh/boards/dreamcast/irq.c b/arch/sh/boards/dreamcast/irq.c new file mode 100644 index 0000000..b10a6b1 --- /dev/null +++ b/arch/sh/boards/dreamcast/irq.c @@ -0,0 +1,160 @@ +/* + * arch/sh/boards/dreamcast/irq.c + * + * Holly IRQ support for the Sega Dreamcast. + * + * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@0xd6.org> + * + * This file is part of the LinuxDC project (www.linuxdc.org) + * Released under the terms of the GNU GPL v2.0 + */ + +#include <linux/irq.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/dreamcast/sysasic.h> + +/* Dreamcast System ASIC Hardware Events - + + The Dreamcast's System ASIC (a.k.a. Holly) is responsible for receiving + hardware events from system peripherals and triggering an SH7750 IRQ. + Hardware events can trigger IRQs 13, 11, or 9 depending on which bits are + set in the Event Mask Registers (EMRs). When a hardware event is + triggered, it's corresponding bit in the Event Status Registers (ESRs) + is set, and that bit should be rewritten to the ESR to acknowledge that + event. + + There are three 32-bit ESRs located at 0xa05f8900 - 0xa05f6908. Event + types can be found in include/asm-sh/dc_sysasic.h. There are three groups + of EMRs that parallel the ESRs. Each EMR group corresponds to an IRQ, so + 0xa05f6910 - 0xa05f6918 triggers IRQ 13, 0xa05f6920 - 0xa05f6928 triggers + IRQ 11, and 0xa05f6930 - 0xa05f6938 triggers IRQ 9. + + In the kernel, these events are mapped to virtual IRQs so that drivers can + respond to them as they would a normal interrupt. In order to keep this + mapping simple, the events are mapped as: + + 6900/6910 - Events 0-31, IRQ 13 + 6904/6924 - Events 32-63, IRQ 11 + 6908/6938 - Events 64-95, IRQ 9 + +*/ + +#define ESR_BASE 0x005f6900 /* Base event status register */ +#define EMR_BASE 0x005f6910 /* Base event mask register */ + +/* Helps us determine the EMR group that this event belongs to: 0 = 0x6910, + 1 = 0x6920, 2 = 0x6930; also determine the event offset */ +#define LEVEL(event) (((event) - HW_EVENT_IRQ_BASE) / 32) + +/* Return the hardware event's bit positon within the EMR/ESR */ +#define EVENT_BIT(event) (((event) - HW_EVENT_IRQ_BASE) & 31) + +/* For each of these *_irq routines, the IRQ passed in is the virtual IRQ + (logically mapped to the corresponding bit for the hardware event). */ + +/* Disable the hardware event by masking its bit in its EMR */ +static inline void disable_systemasic_irq(unsigned int irq) +{ + unsigned long flags; + __u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2); + __u32 mask; + + local_irq_save(flags); + mask = inl(emr); + mask &= ~(1 << EVENT_BIT(irq)); + outl(mask, emr); + local_irq_restore(flags); +} + +/* Enable the hardware event by setting its bit in its EMR */ +static inline void enable_systemasic_irq(unsigned int irq) +{ + unsigned long flags; + __u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2); + __u32 mask; + + local_irq_save(flags); + mask = inl(emr); + mask |= (1 << EVENT_BIT(irq)); + outl(mask, emr); + local_irq_restore(flags); +} + +/* Acknowledge a hardware event by writing its bit back to its ESR */ +static void ack_systemasic_irq(unsigned int irq) +{ + __u32 esr = ESR_BASE + (LEVEL(irq) << 2); + disable_systemasic_irq(irq); + outl((1 << EVENT_BIT(irq)), esr); +} + +/* After a IRQ has been ack'd and responded to, it needs to be renabled */ +static void end_systemasic_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_systemasic_irq(irq); +} + +static unsigned int startup_systemasic_irq(unsigned int irq) +{ + enable_systemasic_irq(irq); + + return 0; +} + +static void shutdown_systemasic_irq(unsigned int irq) +{ + disable_systemasic_irq(irq); +} + +struct hw_interrupt_type systemasic_int = { + .typename = "System ASIC", + .startup = startup_systemasic_irq, + .shutdown = shutdown_systemasic_irq, + .enable = enable_systemasic_irq, + .disable = disable_systemasic_irq, + .ack = ack_systemasic_irq, + .end = end_systemasic_irq, +}; + +/* + * Map the hardware event indicated by the processor IRQ to a virtual IRQ. + */ +int systemasic_irq_demux(int irq) +{ + __u32 emr, esr, status, level; + __u32 j, bit; + + switch (irq) { + case 13: + level = 0; + break; + case 11: + level = 1; + break; + case 9: + level = 2; + break; + default: + return irq; + } + emr = EMR_BASE + (level << 4) + (level << 2); + esr = ESR_BASE + (level << 2); + + /* Mask the ESR to filter any spurious, unwanted interrtupts */ + status = inl(esr); + status &= inl(emr); + + /* Now scan and find the first set bit as the event to map */ + for (bit = 1, j = 0; j < 32; bit <<= 1, j++) { + if (status & bit) { + irq = HW_EVENT_IRQ_BASE + j + (level << 5); + return irq; + } + } + + /* Not reached */ + return irq; +} diff --git a/arch/sh/boards/dreamcast/rtc.c b/arch/sh/boards/dreamcast/rtc.c new file mode 100644 index 0000000..379de16 --- /dev/null +++ b/arch/sh/boards/dreamcast/rtc.c @@ -0,0 +1,81 @@ +/* arch/sh/kernel/rtc-aica.c + * + * Dreamcast AICA RTC routines. + * + * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@0xd6.org> + * Copyright (c) 2002 Paul Mundt <lethal@chaoticdreams.org> + * + * Released under the terms of the GNU GPL v2.0. + * + */ + +#include <linux/time.h> + +#include <asm/io.h> + +extern void (*rtc_get_time)(struct timespec *); +extern int (*rtc_set_time)(const time_t); + +/* The AICA RTC has an Epoch of 1/1/1950, so we must subtract 20 years (in + seconds to get the standard Unix Epoch when getting the time, and add 20 + years when setting the time. */ +#define TWENTY_YEARS ((20 * 365LU + 5) * 86400) + +/* The AICA RTC is represented by a 32-bit seconds counter stored in 2 16-bit + registers.*/ +#define AICA_RTC_SECS_H 0xa0710000 +#define AICA_RTC_SECS_L 0xa0710004 + +/** + * aica_rtc_gettimeofday - Get the time from the AICA RTC + * @ts: pointer to resulting timespec + * + * Grabs the current RTC seconds counter and adjusts it to the Unix Epoch. + */ +void aica_rtc_gettimeofday(struct timespec *ts) { + unsigned long val1, val2; + + do { + val1 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) | + (ctrl_inl(AICA_RTC_SECS_L) & 0xffff); + + val2 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) | + (ctrl_inl(AICA_RTC_SECS_L) & 0xffff); + } while (val1 != val2); + + ts->tv_sec = val1 - TWENTY_YEARS; + + /* Can't get nanoseconds with just a seconds counter. */ + ts->tv_nsec = 0; +} + +/** + * aica_rtc_settimeofday - Set the AICA RTC to the current time + * @secs: contains the time_t to set + * + * Adjusts the given @tv to the AICA Epoch and sets the RTC seconds counter. + */ +int aica_rtc_settimeofday(const time_t secs) { + unsigned long val1, val2; + unsigned long adj = secs + TWENTY_YEARS; + + do { + ctrl_outl((adj & 0xffff0000) >> 16, AICA_RTC_SECS_H); + ctrl_outl((adj & 0xffff), AICA_RTC_SECS_L); + + val1 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) | + (ctrl_inl(AICA_RTC_SECS_L) & 0xffff); + + val2 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) | + (ctrl_inl(AICA_RTC_SECS_L) & 0xffff); + } while (val1 != val2); + + return 0; +} + +void aica_time_init(void) +{ + rtc_get_time = aica_rtc_gettimeofday; + rtc_set_time = aica_rtc_settimeofday; +} + diff --git a/arch/sh/boards/dreamcast/setup.c b/arch/sh/boards/dreamcast/setup.c new file mode 100644 index 0000000..55dece3 --- /dev/null +++ b/arch/sh/boards/dreamcast/setup.c @@ -0,0 +1,83 @@ +/* + * arch/sh/boards/dreamcast/setup.c + * + * Hardware support for the Sega Dreamcast. + * + * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@linuxdc.org> + * Copyright (c) 2002, 2003, 2004 Paul Mundt <lethal@linux-sh.org> + * + * This file is part of the LinuxDC project (www.linuxdc.org) + * + * Released under the terms of the GNU GPL v2.0. + * + * This file originally bore the message (with enclosed-$): + * Id: setup_dc.c,v 1.5 2001/05/24 05:09:16 mrbrown Exp + * SEGA Dreamcast support + */ + +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/device.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> +#include <asm/mach/sysasic.h> + +extern struct hw_interrupt_type systemasic_int; +/* XXX: Move this into it's proper header. */ +extern void (*board_time_init)(void); +extern void aica_time_init(void); +extern int gapspci_init(void); +extern int systemasic_irq_demux(int); + +void *dreamcast_consistent_alloc(struct device *, size_t, dma_addr_t *, int); +int dreamcast_consistent_free(struct device *, size_t, void *, dma_addr_t); + +const char *get_system_type(void) +{ + return "Sega Dreamcast"; +} + +struct sh_machine_vector mv_dreamcast __initmv = { + .mv_nr_irqs = NR_IRQS, + + .mv_irq_demux = systemasic_irq_demux, + +#ifdef CONFIG_PCI + .mv_consistent_alloc = dreamcast_consistent_alloc, + .mv_consistent_free = dreamcast_consistent_free, +#endif +}; +ALIAS_MV(dreamcast) + +int __init platform_setup(void) +{ + int i; + + /* Mask all hardware events */ + /* XXX */ + + /* Acknowledge any previous events */ + /* XXX */ + + __set_io_port_base(0xa0000000); + + /* Assign all virtual IRQs to the System ASIC int. handler */ + for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++) + irq_desc[i].handler = &systemasic_int; + + board_time_init = aica_time_init; + +#ifdef CONFIG_PCI + if (gapspci_init() < 0) + printk(KERN_WARNING "GAPSPCI was not detected.\n"); +#endif + + return 0; +} diff --git a/arch/sh/boards/ec3104/Makefile b/arch/sh/boards/ec3104/Makefile new file mode 100644 index 0000000..1788915 --- /dev/null +++ b/arch/sh/boards/ec3104/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the EC3104 specific parts of the kernel +# + +obj-y := setup.o io.o irq.o + diff --git a/arch/sh/boards/ec3104/io.c b/arch/sh/boards/ec3104/io.c new file mode 100644 index 0000000..a70928c --- /dev/null +++ b/arch/sh/boards/ec3104/io.c @@ -0,0 +1,81 @@ +/* + * linux/arch/sh/kernel/io_ec3104.c + * EC3104 companion chip support + * + * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> + * + */ +/* EC3104 note: + * This code was written without any documentation about the EC3104 chip. While + * I hope I got most of the basic functionality right, the register names I use + * are most likely completely different from those in the chip documentation. + * + * If you have any further information about the EC3104, please tell me + * (prumpf@tux.org). + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/page.h> +#include <asm/ec3104/ec3104.h> + +/* + * EC3104 has a real ISA bus which we redirect low port accesses to (the + * actual device on mine is a ESS 1868, and I don't want to hack the driver + * more than strictly necessary). I am not going to duplicate the + * hard coding of PC addresses (for the 16550s aso) here though; it's just + * too ugly. + */ + +#define low_port(port) ((port) < 0x10000) + +static inline unsigned long port2addr(unsigned long port) +{ + switch(port >> 16) { + case 0: + return EC3104_ISA_BASE + port * 2; + + /* XXX hack. it's unclear what to do about the serial ports */ + case 1: + return EC3104_BASE + (port&0xffff) * 4; + + default: + /* XXX PCMCIA */ + return 0; + } +} + +unsigned char ec3104_inb(unsigned long port) +{ + u8 ret; + + ret = *(volatile u8 *)port2addr(port); + + return ret; +} + +unsigned short ec3104_inw(unsigned long port) +{ + BUG(); +} + +unsigned long ec3104_inl(unsigned long port) +{ + BUG(); +} + +void ec3104_outb(unsigned char data, unsigned long port) +{ + *(volatile u8 *)port2addr(port) = data; +} + +void ec3104_outw(unsigned short data, unsigned long port) +{ + BUG(); +} + +void ec3104_outl(unsigned long data, unsigned long port) +{ + BUG(); +} diff --git a/arch/sh/boards/ec3104/irq.c b/arch/sh/boards/ec3104/irq.c new file mode 100644 index 0000000..ffa4ff1 --- /dev/null +++ b/arch/sh/boards/ec3104/irq.c @@ -0,0 +1,196 @@ +/* + * linux/arch/sh/boards/ec3104/irq.c + * EC3104 companion chip support + * + * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> + * + */ + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/ec3104/ec3104.h> + +/* This is for debugging mostly; here's the table that I intend to keep + * in here: + * + * index function base addr power interrupt bit + * 0 power b0ec0000 --- 00000001 (unused) + * 1 irqs b0ec1000 --- 00000002 (unused) + * 2 ?? b0ec2000 b0ec0008 00000004 + * 3 PS2 (1) b0ec3000 b0ec000c 00000008 + * 4 PS2 (2) b0ec4000 b0ec0010 00000010 + * 5 ?? b0ec5000 b0ec0014 00000020 + * 6 I2C b0ec6000 b0ec0018 00000040 + * 7 serial (1) b0ec7000 b0ec001c 00000080 + * 8 serial (2) b0ec8000 b0ec0020 00000100 + * 9 serial (3) b0ec9000 b0ec0024 00000200 + * 10 serial (4) b0eca000 b0ec0028 00000400 + * 12 GPIO (1) b0ecc000 b0ec0030 + * 13 GPIO (2) b0ecc000 b0ec0030 + * 16 pcmcia (1) b0ed0000 b0ec0040 00010000 + * 17 pcmcia (2) b0ed1000 b0ec0044 00020000 + */ + +/* I used the register names from another interrupt controller I worked with, + * since it seems to be identical to the ec3104 except that all bits are + * inverted: + * + * IRR: Interrupt Request Register (pending and enabled interrupts) + * IMR: Interrupt Mask Register (which interrupts are enabled) + * IPR: Interrupt Pending Register (pending interrupts, even disabled ones) + * + * 0 bits mean pending or enabled, 1 bits mean not pending or disabled. all + * IRQs seem to be level-triggered. + */ + +#define EC3104_IRR (EC3104_BASE + 0x1000) +#define EC3104_IMR (EC3104_BASE + 0x1004) +#define EC3104_IPR (EC3104_BASE + 0x1008) + +#define ctrl_readl(addr) (*(volatile u32 *)(addr)) +#define ctrl_writel(data,addr) (*(volatile u32 *)(addr) = (data)) +#define ctrl_readb(addr) (*(volatile u8 *)(addr)) + +static char *ec3104_name(unsigned index) +{ + switch(index) { + case 0: + return "power management"; + case 1: + return "interrupts"; + case 3: + return "PS2 (1)"; + case 4: + return "PS2 (2)"; + case 5: + return "I2C (1)"; + case 6: + return "I2C (2)"; + case 7: + return "serial (1)"; + case 8: + return "serial (2)"; + case 9: + return "serial (3)"; + case 10: + return "serial (4)"; + case 16: + return "pcmcia (1)"; + case 17: + return "pcmcia (2)"; + default: { + static char buf[32]; + + sprintf(buf, "unknown (%d)", index); + + return buf; + } + } +} + +int get_pending_interrupts(char *buf) +{ + u32 ipr; + u32 bit; + char *p = buf; + + p += sprintf(p, "pending: ("); + + ipr = ctrl_inl(EC3104_IPR); + + for (bit = 1; bit < 32; bit++) + if (!(ipr & (1<<bit))) + p += sprintf(p, "%s ", ec3104_name(bit)); + + p += sprintf(p, ")\n"); + + return p - buf; +} + +static inline u32 ec3104_irq2mask(unsigned int irq) +{ + return (1 << (irq - EC3104_IRQBASE)); +} + +static inline void mask_ec3104_irq(unsigned int irq) +{ + u32 mask; + + mask = ctrl_readl(EC3104_IMR); + + mask |= ec3104_irq2mask(irq); + + ctrl_writel(mask, EC3104_IMR); +} + +static inline void unmask_ec3104_irq(unsigned int irq) +{ + u32 mask; + + mask = ctrl_readl(EC3104_IMR); + + mask &= ~ec3104_irq2mask(irq); + + ctrl_writel(mask, EC3104_IMR); +} + +static void disable_ec3104_irq(unsigned int irq) +{ + mask_ec3104_irq(irq); +} + +static void enable_ec3104_irq(unsigned int irq) +{ + unmask_ec3104_irq(irq); +} + +static void mask_and_ack_ec3104_irq(unsigned int irq) +{ + mask_ec3104_irq(irq); +} + +static void end_ec3104_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + unmask_ec3104_irq(irq); +} + +static unsigned int startup_ec3104_irq(unsigned int irq) +{ + unmask_ec3104_irq(irq); + + return 0; +} + +static void shutdown_ec3104_irq(unsigned int irq) +{ + mask_ec3104_irq(irq); + +} + +static struct hw_interrupt_type ec3104_int = { + .typename = "EC3104", + .enable = enable_ec3104_irq, + .disable = disable_ec3104_irq, + .ack = mask_and_ack_ec3104_irq, + .end = end_ec3104_irq, + .startup = startup_ec3104_irq, + .shutdown = shutdown_ec3104_irq, +}; + +/* Yuck. the _demux API is ugly */ +int ec3104_irq_demux(int irq) +{ + if (irq == EC3104_IRQ) { + unsigned int mask; + + mask = ctrl_readl(EC3104_IRR); + + if (mask == 0xffffffff) + return EC3104_IRQ; + else + return EC3104_IRQBASE + ffz(mask); + } + + return irq; +} diff --git a/arch/sh/boards/ec3104/setup.c b/arch/sh/boards/ec3104/setup.c new file mode 100644 index 0000000..5130ba2 --- /dev/null +++ b/arch/sh/boards/ec3104/setup.c @@ -0,0 +1,78 @@ +/* + * linux/arch/sh/boards/ec3104/setup.c + * EC3104 companion chip support + * + * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> + * + */ +/* EC3104 note: + * This code was written without any documentation about the EC3104 chip. While + * I hope I got most of the basic functionality right, the register names I use + * are most likely completely different from those in the chip documentation. + * + * If you have any further information about the EC3104, please tell me + * (prumpf@tux.org). + */ + +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/types.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/machvec.h> +#include <asm/mach/ec3104.h> + +const char *get_system_type(void) +{ + return "EC3104"; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_ec3104 __initmv = { + .mv_nr_irqs = 96, + + .mv_inb = ec3104_inb, + .mv_inw = ec3104_inw, + .mv_inl = ec3104_inl, + .mv_outb = ec3104_outb, + .mv_outw = ec3104_outw, + .mv_outl = ec3104_outl, + + .mv_irq_demux = ec3104_irq_demux, +}; + +ALIAS_MV(ec3104) + +int __init platform_setup(void) +{ + char str[8]; + int i; + + if (0) + return 0; + + for (i=0; i<8; i++) + str[i] = ctrl_readb(EC3104_BASE + i); + + for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++) + irq_desc[i].handler = &ec3104_int; + + printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n", + str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE); + + + /* mask all interrupts. this should have been done by the boot + * loader for us but we want to be sure ... */ + ctrl_writel(0xffffffff, EC3104_IMR); + + return 0; +} + diff --git a/arch/sh/boards/harp/Makefile b/arch/sh/boards/harp/Makefile new file mode 100644 index 0000000..eb753d3 --- /dev/null +++ b/arch/sh/boards/harp/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for STMicroelectronics board specific parts of the kernel +# + +obj-y := irq.o setup.o mach.o led.o + +obj-$(CONFIG_PCI) += pcidma.o + diff --git a/arch/sh/boards/harp/irq.c b/arch/sh/boards/harp/irq.c new file mode 100644 index 0000000..acd5848 --- /dev/null +++ b/arch/sh/boards/harp/irq.c @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Looks after interrupts on the HARP board. + * + * Bases on the IPR irq system + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/system.h> +#include <asm/io.h> +#include <asm/harp/harp.h> + + +#define NUM_EXTERNAL_IRQS 16 + +// Early versions of the STB1 Overdrive required this nasty frig +//#define INVERT_INTMASK_WRITES + +static void enable_harp_irq(unsigned int irq); +static void disable_harp_irq(unsigned int irq); + +/* shutdown is same as "disable" */ +#define shutdown_harp_irq disable_harp_irq + +static void mask_and_ack_harp(unsigned int); +static void end_harp_irq(unsigned int irq); + +static unsigned int startup_harp_irq(unsigned int irq) +{ + enable_harp_irq(irq); + return 0; /* never anything pending */ +} + +static struct hw_interrupt_type harp_irq_type = { + "Harp-IRQ", + startup_harp_irq, + shutdown_harp_irq, + enable_harp_irq, + disable_harp_irq, + mask_and_ack_harp, + end_harp_irq +}; + +static void disable_harp_irq(unsigned int irq) +{ + unsigned val, flags; + unsigned maskReg; + unsigned mask; + int pri; + + if (irq < 0 || irq >= NUM_EXTERNAL_IRQS) + return; + + pri = 15 - irq; + + if (pri < 8) { + maskReg = EPLD_INTMASK0; + } else { + maskReg = EPLD_INTMASK1; + pri -= 8; + } + + local_irq_save(flags); + mask = ctrl_inl(maskReg); + mask &= (~(1 << pri)); +#if defined(INVERT_INTMASK_WRITES) + mask ^= 0xff; +#endif + ctrl_outl(mask, maskReg); + local_irq_restore(flags); +} + +static void enable_harp_irq(unsigned int irq) +{ + unsigned flags; + unsigned maskReg; + unsigned mask; + int pri; + + if (irq < 0 || irq >= NUM_EXTERNAL_IRQS) + return; + + pri = 15 - irq; + + if (pri < 8) { + maskReg = EPLD_INTMASK0; + } else { + maskReg = EPLD_INTMASK1; + pri -= 8; + } + + local_irq_save(flags); + mask = ctrl_inl(maskReg); + + + mask |= (1 << pri); + +#if defined(INVERT_INTMASK_WRITES) + mask ^= 0xff; +#endif + ctrl_outl(mask, maskReg); + + local_irq_restore(flags); +} + +/* This functions sets the desired irq handler to be an overdrive type */ +static void __init make_harp_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &harp_irq_type; + disable_harp_irq(irq); +} + +static void mask_and_ack_harp(unsigned int irq) +{ + disable_harp_irq(irq); +} + +static void end_harp_irq(unsigned int irq) +{ + enable_harp_irq(irq); +} + +void __init init_harp_irq(void) +{ + int i; + +#if !defined(INVERT_INTMASK_WRITES) + // On the harp these are set to enable an interrupt + ctrl_outl(0x00, EPLD_INTMASK0); + ctrl_outl(0x00, EPLD_INTMASK1); +#else + // On the Overdrive the data is inverted before being stored in the reg + ctrl_outl(0xff, EPLD_INTMASK0); + ctrl_outl(0xff, EPLD_INTMASK1); +#endif + + for (i = 0; i < NUM_EXTERNAL_IRQS; i++) { + make_harp_irq(i); + } +} diff --git a/arch/sh/boards/harp/led.c b/arch/sh/boards/harp/led.c new file mode 100644 index 0000000..76ca4cc --- /dev/null +++ b/arch/sh/boards/harp/led.c @@ -0,0 +1,52 @@ +/* + * linux/arch/sh/stboards/led.c + * + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains ST40STB1 HARP and compatible code. + */ + +#include <linux/config.h> +#include <asm/io.h> +#include <asm/harp/harp.h> + +/* Harp: Flash LD10 (front pannel) connected to EPLD (IC8) */ +/* Overdrive: Flash LD1 (front panel) connected to EPLD (IC4) */ +/* Works for HARP and overdrive */ +static void mach_led(int position, int value) +{ + if (value) { + ctrl_outl(EPLD_LED_ON, EPLD_LED); + } else { + ctrl_outl(EPLD_LED_OFF, EPLD_LED); + } +} + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* acts like an actual heart beat -- ie thump-thump-pause... */ +void heartbeat_harp(void) +{ + static unsigned cnt = 0, period = 0, dist = 0; + + if (cnt == 0 || cnt == dist) + mach_led( -1, 1); + else if (cnt == 7 || cnt == dist+7) + mach_led( -1, 0); + + if (++cnt > period) { + cnt = 0; + /* The hyperbolic function below modifies the heartbeat period + * length in dependency of the current (5min) load. It goes + * through the points f(0)=126, f(1)=86, f(5)=51, + * f(inf)->30. */ + period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; + dist = period / 4; + } +} +#endif diff --git a/arch/sh/boards/harp/mach.c b/arch/sh/boards/harp/mach.c new file mode 100644 index 0000000..a946dd1 --- /dev/null +++ b/arch/sh/boards/harp/mach.c @@ -0,0 +1,62 @@ +/* + * linux/arch/sh/boards/harp/mach.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the STMicroelectronics STB1 HARP and compatible boards + */ + +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> +#include <asm/hd64465/io.h> +#include <asm/hd64465/hd64465.h> + +void setup_harp(void); +void init_harp_irq(void); +void heartbeat_harp(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_harp __initmv = { + .mv_nr_irqs = 89 + HD64465_IRQ_NUM, + + .mv_inb = hd64465_inb, + .mv_inw = hd64465_inw, + .mv_inl = hd64465_inl, + .mv_outb = hd64465_outb, + .mv_outw = hd64465_outw, + .mv_outl = hd64465_outl, + + .mv_inb_p = hd64465_inb_p, + .mv_inw_p = hd64465_inw, + .mv_inl_p = hd64465_inl, + .mv_outb_p = hd64465_outb_p, + .mv_outw_p = hd64465_outw, + .mv_outl_p = hd64465_outl, + + .mv_insb = hd64465_insb, + .mv_insw = hd64465_insw, + .mv_insl = hd64465_insl, + .mv_outsb = hd64465_outsb, + .mv_outsw = hd64465_outsw, + .mv_outsl = hd64465_outsl, + + .mv_isa_port2addr = hd64465_isa_port2addr, + +#ifdef CONFIG_PCI + .mv_init_irq = init_harp_irq, +#endif +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_harp, +#endif +}; + +ALIAS_MV(harp) diff --git a/arch/sh/boards/harp/pcidma.c b/arch/sh/boards/harp/pcidma.c new file mode 100644 index 0000000..4753113 --- /dev/null +++ b/arch/sh/boards/harp/pcidma.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2001 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Dynamic DMA mapping support. + */ + +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/string.h> +#include <linux/pci.h> +#include <asm/io.h> +#include <asm/addrspace.h> + + +void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, + dma_addr_t * dma_handle) +{ + void *ret; + int gfp = GFP_ATOMIC; + + ret = (void *) __get_free_pages(gfp, get_order(size)); + + if (ret != NULL) { + /* Is it neccessary to do the memset? */ + memset(ret, 0, size); + *dma_handle = virt_to_bus(ret); + } + /* We must flush the cache before we pass it on to the device */ + flush_cache_all(); + return P2SEGADDR(ret); +} + +void pci_free_consistent(struct pci_dev *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + unsigned long p1addr=P1SEGADDR((unsigned long)vaddr); + + free_pages(p1addr, get_order(size)); +} diff --git a/arch/sh/boards/harp/setup.c b/arch/sh/boards/harp/setup.c new file mode 100644 index 0000000..05b01b8 --- /dev/null +++ b/arch/sh/boards/harp/setup.c @@ -0,0 +1,91 @@ +/* + * arch/sh/stboard/setup.c + * + * Copyright (C) 2001 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * STMicroelectronics ST40STB1 HARP and compatible support. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <asm/io.h> +#include <asm/harp/harp.h> + +const char *get_system_type(void) +{ + return "STB1 Harp"; +} + +/* + * Initialize the board + */ +int __init platform_setup(void) +{ +#ifdef CONFIG_SH_STB1_HARP + unsigned long ic8_version, ic36_version; + + ic8_version = ctrl_inl(EPLD_REVID2); + ic36_version = ctrl_inl(EPLD_REVID1); + + printk("STMicroelectronics STB1 HARP initialisaton\n"); + printk("EPLD versions: IC8: %d.%02d, IC36: %d.%02d\n", + (ic8_version >> 4) & 0xf, ic8_version & 0xf, + (ic36_version >> 4) & 0xf, ic36_version & 0xf); +#elif defined(CONFIG_SH_STB1_OVERDRIVE) + unsigned long version; + + version = ctrl_inl(EPLD_REVID); + + printk("STMicroelectronics STB1 Overdrive initialisaton\n"); + printk("EPLD version: %d.%02d\n", + (version >> 4) & 0xf, version & 0xf); +#else +#error Undefined machine +#endif + + /* Currently all STB1 chips have problems with the sleep instruction, + * so disable it here. + */ + disable_hlt(); + + return 0; +} + +/* + * pcibios_map_platform_irq + * + * This is board specific and returns the IRQ for a given PCI device. + * It is used by the PCI code (arch/sh/kernel/st40_pci*) + * + */ + +#define HARP_PCI_IRQ 1 +#define HARP_BRIDGE_IRQ 2 +#define OVERDRIVE_SLOT0_IRQ 0 + + +int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + switch (slot) { +#ifdef CONFIG_SH_STB1_HARP + case 2: /*This is the PCI slot on the */ + return HARP_PCI_IRQ; + case 1: /* this is the bridge */ + return HARP_BRIDGE_IRQ; +#elif defined(CONFIG_SH_STB1_OVERDRIVE) + case 1: + case 2: + case 3: + return slot - 1; +#else +#error Unknown board +#endif + default: + return -1; + } +} + diff --git a/arch/sh/boards/hp6xx/hp620/Makefile b/arch/sh/boards/hp6xx/hp620/Makefile new file mode 100644 index 0000000..20691db --- /dev/null +++ b/arch/sh/boards/hp6xx/hp620/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the HP620 specific parts of the kernel +# + +obj-y := mach.o setup.o + diff --git a/arch/sh/boards/hp6xx/hp620/mach.c b/arch/sh/boards/hp6xx/hp620/mach.c new file mode 100644 index 0000000..0392d82 --- /dev/null +++ b/arch/sh/boards/hp6xx/hp620/mach.c @@ -0,0 +1,52 @@ +/* + * linux/arch/sh/boards/hp6xx/hp620/mach.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the HP620 + */ + +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/io.h> +#include <asm/hd64461/hd64461.h> +#include <asm/irq.h> + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_hp620 __initmv = { + .mv_nr_irqs = HD64461_IRQBASE+HD64461_IRQ_NUM, + + .mv_inb = hd64461_inb, + .mv_inw = hd64461_inw, + .mv_inl = hd64461_inl, + .mv_outb = hd64461_outb, + .mv_outw = hd64461_outw, + .mv_outl = hd64461_outl, + + .mv_inb_p = hd64461_inb_p, + .mv_inw_p = hd64461_inw, + .mv_inl_p = hd64461_inl, + .mv_outb_p = hd64461_outb_p, + .mv_outw_p = hd64461_outw, + .mv_outl_p = hd64461_outl, + + .mv_insb = hd64461_insb, + .mv_insw = hd64461_insw, + .mv_insl = hd64461_insl, + .mv_outsb = hd64461_outsb, + .mv_outsw = hd64461_outsw, + .mv_outsl = hd64461_outsl, + + .mv_irq_demux = hd64461_irq_demux, +}; +ALIAS_MV(hp620) diff --git a/arch/sh/boards/hp6xx/hp620/setup.c b/arch/sh/boards/hp6xx/hp620/setup.c new file mode 100644 index 0000000..045fc5d --- /dev/null +++ b/arch/sh/boards/hp6xx/hp620/setup.c @@ -0,0 +1,45 @@ +/* + * linux/arch/sh/boards/hp6xx/hp620/setup.c + * + * Copyright (C) 2002 Andriy Skulysh, 2005 Kristoffer Ericson + * + * May be copied or modified under the terms of the GNU General Public + * License. See Linux/COPYING for more information. + * + * Setup code for an HP620. + * Due to similiarity with hp680/hp690 same inits are done (for now) + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <asm/hd64461/hd64461.h> +#include <asm/io.h> +#include <asm/hp6xx/hp6xx.h> +#include <asm/cpu/dac.h> + +const char *get_system_type(void) +{ + return "HP620"; +} + +int __init platform_setup(void) +{ + u16 v; + + v = inw(HD64461_STBCR); + v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST | + HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST | + HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST | + HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST | + HD64461_STBCR_SAFECKE_IST; + outw(v, HD64461_STBCR); + + v = inw(HD64461_GPADR); + v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0; + outw(v, HD64461_GPADR); + + sh_dac_disable(DAC_SPEAKER_VOLUME); + + return 0; +} + diff --git a/arch/sh/boards/hp6xx/hp680/Makefile b/arch/sh/boards/hp6xx/hp680/Makefile new file mode 100644 index 0000000..0beef11 --- /dev/null +++ b/arch/sh/boards/hp6xx/hp680/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the HP680 specific parts of the kernel +# + +obj-y := mach.o setup.o + diff --git a/arch/sh/boards/hp6xx/hp680/mach.c b/arch/sh/boards/hp6xx/hp680/mach.c new file mode 100644 index 0000000..d734861 --- /dev/null +++ b/arch/sh/boards/hp6xx/hp680/mach.c @@ -0,0 +1,53 @@ +/* + * linux/arch/sh/boards/hp6xx/hp680/mach.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the HP680 + */ + +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/io.h> +#include <asm/hd64461/hd64461.h> +#include <asm/hp6xx/io.h> +#include <asm/irq.h> + +struct sh_machine_vector mv_hp680 __initmv = { + .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM, + + .mv_inb = hd64461_inb, + .mv_inw = hd64461_inw, + .mv_inl = hd64461_inl, + .mv_outb = hd64461_outb, + .mv_outw = hd64461_outw, + .mv_outl = hd64461_outl, + + .mv_inb_p = hd64461_inb_p, + .mv_inw_p = hd64461_inw, + .mv_inl_p = hd64461_inl, + .mv_outb_p = hd64461_outb_p, + .mv_outw_p = hd64461_outw, + .mv_outl_p = hd64461_outl, + + .mv_insb = hd64461_insb, + .mv_insw = hd64461_insw, + .mv_insl = hd64461_insl, + .mv_outsb = hd64461_outsb, + .mv_outsw = hd64461_outsw, + .mv_outsl = hd64461_outsl, + + .mv_readw = hd64461_readw, + .mv_writew = hd64461_writew, + + .mv_irq_demux = hd64461_irq_demux, +}; + +ALIAS_MV(hp680) diff --git a/arch/sh/boards/hp6xx/hp680/setup.c b/arch/sh/boards/hp6xx/hp680/setup.c new file mode 100644 index 0000000..4170190 --- /dev/null +++ b/arch/sh/boards/hp6xx/hp680/setup.c @@ -0,0 +1,41 @@ +/* + * linux/arch/sh/boards/hp6xx/hp680/setup.c + * + * Copyright (C) 2002 Andriy Skulysh + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Setup code for an HP680 (internal peripherials only) + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <asm/hd64461/hd64461.h> +#include <asm/io.h> +#include <asm/hp6xx/hp6xx.h> +#include <asm/cpu/dac.h> + +const char *get_system_type(void) +{ + return "HP680"; +} + +int __init platform_setup(void) +{ + u16 v; + v = inw(HD64461_STBCR); + v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST | + HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST | + HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST | + HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST | + HD64461_STBCR_SAFECKE_IST; + outw(v, HD64461_STBCR); + v = inw(HD64461_GPADR); + v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0; + outw(v, HD64461_GPADR); + + sh_dac_disable(DAC_SPEAKER_VOLUME); + + return 0; +} diff --git a/arch/sh/boards/hp6xx/hp690/Makefile b/arch/sh/boards/hp6xx/hp690/Makefile new file mode 100644 index 0000000..fbbe95e --- /dev/null +++ b/arch/sh/boards/hp6xx/hp690/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the HP690 specific parts of the kernel +# + +obj-y := mach.o + diff --git a/arch/sh/boards/hp6xx/hp690/mach.c b/arch/sh/boards/hp6xx/hp690/mach.c new file mode 100644 index 0000000..2a4c687 --- /dev/null +++ b/arch/sh/boards/hp6xx/hp690/mach.c @@ -0,0 +1,48 @@ +/* + * linux/arch/sh/boards/hp6xx/hp690/mach.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the HP690 + */ + +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/io.h> +#include <asm/hd64461/hd64461.h> +#include <asm/irq.h> + +struct sh_machine_vector mv_hp690 __initmv = { + .mv_nr_irqs = HD64461_IRQBASE+HD64461_IRQ_NUM, + + .mv_inb = hd64461_inb, + .mv_inw = hd64461_inw, + .mv_inl = hd64461_inl, + .mv_outb = hd64461_outb, + .mv_outw = hd64461_outw, + .mv_outl = hd64461_outl, + + .mv_inb_p = hd64461_inb_p, + .mv_inw_p = hd64461_inw, + .mv_inl_p = hd64461_inl, + .mv_outb_p = hd64461_outb_p, + .mv_outw_p = hd64461_outw, + .mv_outl_p = hd64461_outl, + + .mv_insb = hd64461_insb, + .mv_insw = hd64461_insw, + .mv_insl = hd64461_insl, + .mv_outsb = hd64461_outsb, + .mv_outsw = hd64461_outsw, + .mv_outsl = hd64461_outsl, + + .mv_irq_demux = hd64461_irq_demux, +}; +ALIAS_MV(hp690) diff --git a/arch/sh/boards/mpc1211/Makefile b/arch/sh/boards/mpc1211/Makefile new file mode 100644 index 0000000..1644ebe --- /dev/null +++ b/arch/sh/boards/mpc1211/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the Interface (CTP/PCI/MPC-SH02) specific parts of the kernel +# + +obj-y := setup.o rtc.o led.o + +obj-$(CONFIG_PCI) += pci.o + diff --git a/arch/sh/boards/mpc1211/led.c b/arch/sh/boards/mpc1211/led.c new file mode 100644 index 0000000..0a31bee --- /dev/null +++ b/arch/sh/boards/mpc1211/led.c @@ -0,0 +1,64 @@ +/* + * linux/arch/sh/kernel/led_mpc1211.c + * + * Copyright (C) 2001 Saito.K & Jeanne + * + * This file contains Interface MPC-1211 specific LED code. + */ + +#include <linux/config.h> + +static void mach_led(int position, int value) +{ + volatile unsigned char* p = (volatile unsigned char*)0xa2000000; + + if (value) { + *p |= 1; + } else { + *p &= ~1; + } +} + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void heartbeat_mpc1211(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned char* p = (volatile unsigned char*)0xa2000000; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ( (300<<FSHIFT)/ + ((avenrun[0]/5) + (3<<FSHIFT)) ); + + if (up) { + if (bit == 7) { + bit--; + up=0; + } else { + bit ++; + } + } else { + if (bit == 0) { + bit++; + up=1; + } else { + bit--; + } + } + *p = 1<<bit; + +} +#endif /* CONFIG_HEARTBEAT */ diff --git a/arch/sh/boards/mpc1211/pci.c b/arch/sh/boards/mpc1211/pci.c new file mode 100644 index 0000000..ba3a654 --- /dev/null +++ b/arch/sh/boards/mpc1211/pci.c @@ -0,0 +1,296 @@ +/* + * Low-Level PCI Support for the MPC-1211(CTP/PCI/MPC-SH02) + * + * (c) 2002-2003 Saito.K & Jeanne + * + * Dustin McIntire (dustin@sensoria.com) + * Derived from arch/i386/kernel/pci-*.c which bore the message: + * (c) 1999--2000 Martin Mares <mj@ucw.cz> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + */ +#include <linux/config.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/sched.h> +#include <linux/ioport.h> +#include <linux/errno.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +#include <asm/machvec.h> +#include <asm/io.h> +#include <asm/mpc1211/pci.h> + +static struct resource mpcpci_io_resource = { + "MPCPCI IO", + 0x00000000, + 0xffffffff, + IORESOURCE_IO +}; + +static struct resource mpcpci_mem_resource = { + "MPCPCI mem", + 0x00000000, + 0xffffffff, + IORESOURCE_MEM +}; + +static struct pci_ops pci_direct_conf1; +struct pci_channel board_pci_channels[] = { + {&pci_direct_conf1, &mpcpci_io_resource, &mpcpci_mem_resource, 0, 256}, + {NULL, NULL, NULL, 0, 0}, +}; + +/* + * Direct access to PCI hardware... + */ + + +#define CONFIG_CMD(bus, devfn, where) (0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3)) + +/* + * Functions for accessing PCI configuration space with type 1 accesses + */ +static int pci_conf1_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value) +{ + u32 word; + unsigned long flags; + + /* + * PCIPDR may only be accessed as 32 bit words, + * so we must do byte alignment by hand + */ + local_irq_save(flags); + writel(CONFIG_CMD(bus,devfn,where), PCIPAR); + word = readl(PCIPDR); + local_irq_restore(flags); + + switch (size) { + case 1: + switch (where & 0x3) { + case 3: + *value = (u8)(word >> 24); + break; + case 2: + *value = (u8)(word >> 16); + break; + case 1: + *value = (u8)(word >> 8); + break; + default: + *value = (u8)word; + break; + } + break; + case 2: + switch (where & 0x3) { + case 3: + *value = (u16)(word >> 24); + local_irq_save(flags); + writel(CONFIG_CMD(bus,devfn,(where+1)), PCIPAR); + word = readl(PCIPDR); + local_irq_restore(flags); + *value |= ((word & 0xff) << 8); + break; + case 2: + *value = (u16)(word >> 16); + break; + case 1: + *value = (u16)(word >> 8); + break; + default: + *value = (u16)word; + break; + } + break; + case 4: + *value = word; + break; + } + PCIDBG(4,"pci_conf1_read@0x%08x=0x%x\n", CONFIG_CMD(bus,devfn,where),*value); + return PCIBIOS_SUCCESSFUL; +} + +/* + * Since MPC-1211 only does 32bit access we'll have to do a read,mask,write operation. + * We'll allow an odd byte offset, though it should be illegal. + */ +static int pci_conf1_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value) +{ + u32 word,mask = 0; + unsigned long flags; + u32 shift = (where & 3) * 8; + + if(size == 1) { + mask = ((1 << 8) - 1) << shift; // create the byte mask + } else if(size == 2){ + if(shift == 24) + return PCIBIOS_BAD_REGISTER_NUMBER; + mask = ((1 << 16) - 1) << shift; // create the word mask + } + local_irq_save(flags); + writel(CONFIG_CMD(bus,devfn,where), PCIPAR); + if(size == 4){ + writel(value, PCIPDR); + local_irq_restore(flags); + PCIDBG(4,"pci_conf1_write@0x%08x=0x%x\n", CONFIG_CMD(bus,devfn,where),value); + return PCIBIOS_SUCCESSFUL; + } + word = readl(PCIPDR); + word &= ~mask; + word |= ((value << shift) & mask); + writel(word, PCIPDR); + local_irq_restore(flags); + PCIDBG(4,"pci_conf1_write@0x%08x=0x%x\n", CONFIG_CMD(bus,devfn,where),word); + return PCIBIOS_SUCCESSFUL; +} + +#undef CONFIG_CMD + +static struct pci_ops pci_direct_conf1 = { + .read = pci_conf1_read, + .write = pci_conf1_write, +}; + +static void __devinit quirk_ali_ide_ports(struct pci_dev *dev) +{ + dev->resource[0].start = 0x1f0; + dev->resource[0].end = 0x1f7; + dev->resource[0].flags = IORESOURCE_IO; + dev->resource[1].start = 0x3f6; + dev->resource[1].end = 0x3f6; + dev->resource[1].flags = IORESOURCE_IO; + dev->resource[2].start = 0x170; + dev->resource[2].end = 0x177; + dev->resource[2].flags = IORESOURCE_IO; + dev->resource[3].start = 0x376; + dev->resource[3].end = 0x376; + dev->resource[3].flags = IORESOURCE_IO; + dev->resource[4].start = 0xf000; + dev->resource[4].end = 0xf00f; + dev->resource[4].flags = IORESOURCE_IO; +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229, quirk_ali_ide_ports); + +char * __devinit pcibios_setup(char *str) +{ + return str; +} + +/* + * Called after each bus is probed, but before its children + * are examined. + */ + +void __init pcibios_fixup_bus(struct pci_bus *b) +{ + pci_read_bridge_bases(b); +} + +/* + * IRQ functions + */ +static inline u8 bridge_swizzle(u8 pin, u8 slot) +{ + return (((pin-1) + slot) % 4) + 1; +} + +static inline u8 bridge_swizzle_pci_1(u8 pin, u8 slot) +{ + return (((pin-1) - slot) & 3) + 1; +} + +static u8 __init mpc1211_swizzle(struct pci_dev *dev, u8 *pinp) +{ + unsigned long flags; + u8 pin = *pinp; + u32 word; + + for ( ; dev->bus->self; dev = dev->bus->self) { + if (!pin) + continue; + + if (dev->bus->number == 1) { + local_irq_save(flags); + writel(0x80000000 | 0x2c, PCIPAR); + word = readl(PCIPDR); + local_irq_restore(flags); + word >>= 16; + + if (word == 0x0001) + pin = bridge_swizzle_pci_1(pin, PCI_SLOT(dev->devfn)); + else + pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + } else + pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + } + + *pinp = pin; + + return PCI_SLOT(dev->devfn); +} + +static int __init map_mpc1211_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq = -1; + + /* now lookup the actual IRQ on a platform specific basis (pci-'platform'.c) */ + if (dev->bus->number == 0) { + switch (slot) { + case 13: irq = 9; break; /* USB */ + case 22: irq = 10; break; /* LAN */ + default: irq = 0; break; + } + } else { + switch (pin) { + case 0: irq = 0; break; + case 1: irq = 7; break; + case 2: irq = 9; break; + case 3: irq = 10; break; + case 4: irq = 11; break; + } + } + + if( irq < 0 ) { + PCIDBG(3, "PCI: Error mapping IRQ on device %s\n", pci_name(dev)); + return irq; + } + + PCIDBG(2, "Setting IRQ for slot %s to %d\n", pci_name(dev), irq); + + return irq; +} + +void __init pcibios_fixup_irqs(void) +{ + pci_fixup_irqs(mpc1211_swizzle, map_mpc1211_irq); +} + +void pcibios_align_resource(void *data, struct resource *res, + unsigned long size, unsigned long align) +{ + unsigned long start = res->start; + + if (res->flags & IORESOURCE_IO) { + if (start >= 0x10000UL) { + if ((start & 0xffffUL) < 0x4000UL) { + start = (start & 0xffff0000UL) + 0x4000UL; + } else if ((start & 0xffffUL) >= 0xf000UL) { + start = (start & 0xffff0000UL) + 0x10000UL; + } + res->start = start; + } else { + if (start & 0x300) { + start = (start + 0x3ff) & ~0x3ff; + res->start = start; + } + } + } +} + diff --git a/arch/sh/boards/mpc1211/rtc.c b/arch/sh/boards/mpc1211/rtc.c new file mode 100644 index 0000000..4d100f0 --- /dev/null +++ b/arch/sh/boards/mpc1211/rtc.c @@ -0,0 +1,152 @@ +/* + * linux/arch/sh/kernel/rtc-mpc1211.c -- MPC-1211 on-chip RTC support + * + * Copyright (C) 2002 Saito.K & Jeanne + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/time.h> +#include <linux/mc146818rtc.h> + +#ifndef BCD_TO_BIN +#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10) +#endif + +#ifndef BIN_TO_BCD +#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10) +#endif + +/* arc/i386/kernel/time.c */ +unsigned long get_cmos_time(void) +{ + unsigned int year, mon, day, hour, min, sec; + int i; + + spin_lock(&rtc_lock); + /* The Linux interpretation of the CMOS clock register contents: + * When the Update-In-Progress (UIP) flag goes from 1 to 0, the + * RTC registers show the second which has precisely just started. + * Let's hope other operating systems interpret the RTC the same way. + */ + /* read RTC exactly on falling edge of update flag */ + for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */ + if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP) + break; + for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */ + if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)) + break; + do { /* Isn't this overkill ? UIP above should guarantee consistency */ + sec = CMOS_READ(RTC_SECONDS); + min = CMOS_READ(RTC_MINUTES); + hour = CMOS_READ(RTC_HOURS); + day = CMOS_READ(RTC_DAY_OF_MONTH); + mon = CMOS_READ(RTC_MONTH); + year = CMOS_READ(RTC_YEAR); + } while (sec != CMOS_READ(RTC_SECONDS)); + if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) + { + BCD_TO_BIN(sec); + BCD_TO_BIN(min); + BCD_TO_BIN(hour); + BCD_TO_BIN(day); + BCD_TO_BIN(mon); + BCD_TO_BIN(year); + } + spin_unlock(&rtc_lock); + if ((year += 1900) < 1970) + year += 100; + return mktime(year, mon, day, hour, min, sec); +} + +void mpc1211_rtc_gettimeofday(struct timeval *tv) +{ + + tv->tv_sec = get_cmos_time(); + tv->tv_usec = 0; +} + +/* arc/i386/kernel/time.c */ +/* + * In order to set the CMOS clock precisely, set_rtc_mmss has to be + * called 500 ms after the second nowtime has started, because when + * nowtime is written into the registers of the CMOS clock, it will + * jump to the next second precisely 500 ms later. Check the Motorola + * MC146818A or Dallas DS12887 data sheet for details. + * + * BUG: This routine does not handle hour overflow properly; it just + * sets the minutes. Usually you'll only notice that after reboot! + */ +static int set_rtc_mmss(unsigned long nowtime) +{ + int retval = 0; + int real_seconds, real_minutes, cmos_minutes; + unsigned char save_control, save_freq_select; + + /* gets recalled with irq locally disabled */ + spin_lock(&rtc_lock); + save_control = CMOS_READ(RTC_CONTROL); /* tell the clock it's being set */ + CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); + + save_freq_select = CMOS_READ(RTC_FREQ_SELECT); /* stop and reset prescaler */ + CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT); + + cmos_minutes = CMOS_READ(RTC_MINUTES); + if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) + BCD_TO_BIN(cmos_minutes); + + /* + * since we're only adjusting minutes and seconds, + * don't interfere with hour overflow. This avoids + * messing with unknown time zones but requires your + * RTC not to be off by more than 15 minutes + */ + real_seconds = nowtime % 60; + real_minutes = nowtime / 60; + if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) + real_minutes += 30; /* correct for half hour time zone */ + real_minutes %= 60; + + if (abs(real_minutes - cmos_minutes) < 30) { + if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { + BIN_TO_BCD(real_seconds); + BIN_TO_BCD(real_minutes); + } + CMOS_WRITE(real_seconds,RTC_SECONDS); + CMOS_WRITE(real_minutes,RTC_MINUTES); + } else { + printk(KERN_WARNING + "set_rtc_mmss: can't update from %d to %d\n", + cmos_minutes, real_minutes); + retval = -1; + } + + /* The following flags have to be released exactly in this order, + * otherwise the DS12887 (popular MC146818A clone with integrated + * battery and quartz) will not reset the oscillator and will not + * update precisely 500 ms later. You won't find this mentioned in + * the Dallas Semiconductor data sheets, but who believes data + * sheets anyway ... -- Markus Kuhn + */ + CMOS_WRITE(save_control, RTC_CONTROL); + CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); + spin_unlock(&rtc_lock); + + return retval; +} + +int mpc1211_rtc_settimeofday(const struct timeval *tv) +{ + unsigned long nowtime = tv->tv_sec; + + return set_rtc_mmss(nowtime); +} + +void mpc1211_time_init(void) +{ + rtc_get_time = mpc1211_rtc_gettimeofday; + rtc_set_time = mpc1211_rtc_settimeofday; +} + diff --git a/arch/sh/boards/mpc1211/setup.c b/arch/sh/boards/mpc1211/setup.c new file mode 100644 index 0000000..2bb581b --- /dev/null +++ b/arch/sh/boards/mpc1211/setup.c @@ -0,0 +1,360 @@ +/* + * linux/arch/sh/board/mpc1211/setup.c + * + * Copyright (C) 2002 Saito.K & Jeanne, Fujii.Y + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <linux/interrupt.h> + +#include <asm/io.h> +#include <asm/machvec.h> +#include <asm/mpc1211/mpc1211.h> +#include <asm/mpc1211/pci.h> +#include <asm/mpc1211/m1543c.h> + + +/* ALI15X3 SMBus address offsets */ +#define SMBHSTSTS (0 + 0x3100) +#define SMBHSTCNT (1 + 0x3100) +#define SMBHSTSTART (2 + 0x3100) +#define SMBHSTCMD (7 + 0x3100) +#define SMBHSTADD (3 + 0x3100) +#define SMBHSTDAT0 (4 + 0x3100) +#define SMBHSTDAT1 (5 + 0x3100) +#define SMBBLKDAT (6 + 0x3100) + +/* Other settings */ +#define MAX_TIMEOUT 500 /* times 1/100 sec */ + +/* ALI15X3 command constants */ +#define ALI15X3_ABORT 0x04 +#define ALI15X3_T_OUT 0x08 +#define ALI15X3_QUICK 0x00 +#define ALI15X3_BYTE 0x10 +#define ALI15X3_BYTE_DATA 0x20 +#define ALI15X3_WORD_DATA 0x30 +#define ALI15X3_BLOCK_DATA 0x40 +#define ALI15X3_BLOCK_CLR 0x80 + +/* ALI15X3 status register bits */ +#define ALI15X3_STS_IDLE 0x04 +#define ALI15X3_STS_BUSY 0x08 +#define ALI15X3_STS_DONE 0x10 +#define ALI15X3_STS_DEV 0x20 /* device error */ +#define ALI15X3_STS_COLL 0x40 /* collision or no response */ +#define ALI15X3_STS_TERM 0x80 /* terminated by abort */ +#define ALI15X3_STS_ERR 0xE0 /* all the bad error bits */ + +const char *get_system_type(void) +{ + return "Interface MPC-1211(CTP/PCI/MPC-SH02)"; +} + +static void __init pci_write_config(unsigned long busNo, + unsigned long devNo, + unsigned long fncNo, + unsigned long cnfAdd, + unsigned long cnfData) +{ + ctrl_outl((0x80000000 + + ((busNo & 0xff) << 16) + + ((devNo & 0x1f) << 11) + + ((fncNo & 0x07) << 8) + + (cnfAdd & 0xfc)), PCIPAR); + + ctrl_outl(cnfData, PCIPDR); +} + +/* + Initialize IRQ setting +*/ + +static unsigned char m_irq_mask = 0xfb; +static unsigned char s_irq_mask = 0xff; +volatile unsigned long irq_err_count; + +static void disable_mpc1211_irq(unsigned int irq) +{ + unsigned long flags; + + save_and_cli(flags); + if( irq < 8) { + m_irq_mask |= (1 << irq); + outb(m_irq_mask,I8259_M_MR); + } else { + s_irq_mask |= (1 << (irq - 8)); + outb(s_irq_mask,I8259_S_MR); + } + restore_flags(flags); + +} + +static void enable_mpc1211_irq(unsigned int irq) +{ + unsigned long flags; + + save_and_cli(flags); + + if( irq < 8) { + m_irq_mask &= ~(1 << irq); + outb(m_irq_mask,I8259_M_MR); + } else { + s_irq_mask &= ~(1 << (irq - 8)); + outb(s_irq_mask,I8259_S_MR); + } + restore_flags(flags); +} + +static inline int mpc1211_irq_real(unsigned int irq) +{ + int value; + int irqmask; + + if ( irq < 8) { + irqmask = 1<<irq; + outb(0x0b,I8259_M_CR); /* ISR register */ + value = inb(I8259_M_CR) & irqmask; + outb(0x0a,I8259_M_CR); /* back ro the IPR reg */ + return value; + } + irqmask = 1<<(irq - 8); + outb(0x0b,I8259_S_CR); /* ISR register */ + value = inb(I8259_S_CR) & irqmask; + outb(0x0a,I8259_S_CR); /* back ro the IPR reg */ + return value; +} + +static void mask_and_ack_mpc1211(unsigned int irq) +{ + unsigned long flags; + + save_and_cli(flags); + + if(irq < 8) { + if(m_irq_mask & (1<<irq)){ + if(!mpc1211_irq_real(irq)){ + irq_err_count++; + printk("spurious 8259A interrupt: IRQ %x\n",irq); + } + } else { + m_irq_mask |= (1<<irq); + } + inb(I8259_M_MR); /* DUMMY */ + outb(m_irq_mask,I8259_M_MR); /* disable */ + outb(0x60+irq,I8259_M_CR); /* EOI */ + + } else { + if(s_irq_mask & (1<<(irq - 8))){ + if(!mpc1211_irq_real(irq)){ + irq_err_count++; + printk("spurious 8259A interrupt: IRQ %x\n",irq); + } + } else { + s_irq_mask |= (1<<(irq - 8)); + } + inb(I8259_S_MR); /* DUMMY */ + outb(s_irq_mask,I8259_S_MR); /* disable */ + outb(0x60+(irq-8),I8259_S_CR); /* EOI */ + outb(0x60+2,I8259_M_CR); + } + restore_flags(flags); +} + +static void end_mpc1211_irq(unsigned int irq) +{ + enable_mpc1211_irq(irq); +} + +static unsigned int startup_mpc1211_irq(unsigned int irq) +{ + enable_mpc1211_irq(irq); + return 0; +} + +static void shutdown_mpc1211_irq(unsigned int irq) +{ + disable_mpc1211_irq(irq); +} + +static struct hw_interrupt_type mpc1211_irq_type = { + .typename = "MPC1211-IRQ", + .startup = startup_mpc1211_irq, + .shutdown = shutdown_mpc1211_irq, + .enable = enable_mpc1211_irq, + .disable = disable_mpc1211_irq, + .ack = mask_and_ack_mpc1211, + .end = end_mpc1211_irq +}; + +static void make_mpc1211_irq(unsigned int irq) +{ + irq_desc[irq].handler = &mpc1211_irq_type; + irq_desc[irq].status = IRQ_DISABLED; + irq_desc[irq].action = 0; + irq_desc[irq].depth = 1; + disable_mpc1211_irq(irq); +} + +int mpc1211_irq_demux(int irq) +{ + unsigned int poll; + + if( irq == 2 ) { + outb(0x0c,I8259_M_CR); + poll = inb(I8259_M_CR); + if(poll & 0x80) { + irq = (poll & 0x07); + } + if( irq == 2) { + outb(0x0c,I8259_S_CR); + poll = inb(I8259_S_CR); + irq = (poll & 0x07) + 8; + } + } + return irq; +} + +void __init init_mpc1211_IRQ(void) +{ + int i; + /* + * Super I/O (Just mimic PC): + * 1: keyboard + * 3: serial 1 + * 4: serial 0 + * 5: printer + * 6: floppy + * 8: rtc + * 10: lan + * 12: mouse + * 14: ide0 + * 15: ide1 + */ + + pci_write_config(0,0,0,0x54, 0xb0b0002d); + outb(0x11, I8259_M_CR); /* mater icw1 edge trigger */ + outb(0x11, I8259_S_CR); /* slave icw1 edge trigger */ + outb(0x20, I8259_M_MR); /* m icw2 base vec 0x08 */ + outb(0x28, I8259_S_MR); /* s icw2 base vec 0x70 */ + outb(0x04, I8259_M_MR); /* m icw3 slave irq2 */ + outb(0x02, I8259_S_MR); /* s icw3 slave id */ + outb(0x01, I8259_M_MR); /* m icw4 non buf normal eoi*/ + outb(0x01, I8259_S_MR); /* s icw4 non buf normal eo1*/ + outb(0xfb, I8259_M_MR); /* disable irq0--irq7 */ + outb(0xff, I8259_S_MR); /* disable irq8--irq15 */ + + for ( i=0; i < 16; i++) { + if(i != 2) { + make_mpc1211_irq(i); + } + } +} + +/* + Initialize the board +*/ + + +static void delay (void) +{ + volatile unsigned short tmp; + tmp = *(volatile unsigned short *) 0xa0000000; +} + +static void delay1000 (void) +{ + int i; + + for (i=0; i<1000; i++) + delay (); +} + +static int put_smb_blk(unsigned char *p, int address, int command, int no) +{ + int temp; + int timeout; + int i; + + outb(0xff, SMBHSTSTS); + temp = inb(SMBHSTSTS); + for (timeout = 0; (timeout < MAX_TIMEOUT) && !(temp & ALI15X3_STS_IDLE); timeout++) { + delay1000(); + temp = inb(SMBHSTSTS); + } + if (timeout >= MAX_TIMEOUT){ + return -1; + } + + outb(((address & 0x7f) << 1), SMBHSTADD); + outb(0xc0, SMBHSTCNT); + outb(command & 0xff, SMBHSTCMD); + outb(no & 0x1f, SMBHSTDAT0); + + for(i = 1; i <= no; i++) { + outb(*p++, SMBBLKDAT); + } + outb(0xff, SMBHSTSTART); + + temp = inb(SMBHSTSTS); + for (timeout = 0; (timeout < MAX_TIMEOUT) && !(temp & (ALI15X3_STS_ERR | ALI15X3_STS_DONE)); timeout++) { + delay1000(); + temp = inb(SMBHSTSTS); + } + if (timeout >= MAX_TIMEOUT) { + return -2; + } + if ( temp & ALI15X3_STS_ERR ){ + return -3; + } + return 0; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_mpc1211 __initmv = { + .mv_nr_irqs = 48, + .mv_irq_demux = mpc1211_irq_demux, + .mv_init_irq = init_mpc1211_IRQ, + +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_mpc1211, +#endif +}; + +ALIAS_MV(mpc1211) + +/* arch/sh/boards/mpc1211/rtc.c */ +void mpc1211_time_init(void); + +int __init platform_setup(void) +{ + unsigned char spd_buf[128]; + + __set_io_port_base(PA_PCI_IO); + + pci_write_config(0,0,0,0x54, 0xb0b00000); + + do { + outb(ALI15X3_ABORT, SMBHSTCNT); + spd_buf[0] = 0x0c; + spd_buf[1] = 0x43; + spd_buf[2] = 0x7f; + spd_buf[3] = 0x03; + spd_buf[4] = 0x00; + spd_buf[5] = 0x03; + spd_buf[6] = 0x00; + } while (put_smb_blk(spd_buf, 0x69, 0, 7) < 0); + + board_time_init = mpc1211_time_init; + + return 0; +} + diff --git a/arch/sh/boards/overdrive/Makefile b/arch/sh/boards/overdrive/Makefile new file mode 100644 index 0000000..1762b59 --- /dev/null +++ b/arch/sh/boards/overdrive/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the STMicroelectronics Overdrive specific parts of the kernel +# + +obj-y := mach.o setup.o io.o irq.o led.o time.o + +obj-$(CONFIG_PCI) += fpga.o galileo.o pcidma.o + diff --git a/arch/sh/boards/overdrive/fpga.c b/arch/sh/boards/overdrive/fpga.c new file mode 100644 index 0000000..3a1ec94 --- /dev/null +++ b/arch/sh/boards/overdrive/fpga.c @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file handles programming up the Altera Flex10K that interfaces to + * the Galileo, and does the PS/2 keyboard and mouse + * + */ + + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/smp.h> +#include <linux/smp_lock.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/delay.h> + + +#include <asm/overdriver/gt64111.h> +#include <asm/overdrive/overdrive.h> +#include <asm/overdrive/fpga.h> + +#define FPGA_NotConfigHigh() (*FPGA_ControlReg) = (*FPGA_ControlReg) | ENABLE_FPGA_BIT +#define FPGA_NotConfigLow() (*FPGA_ControlReg) = (*FPGA_ControlReg) & RESET_FPGA_MASK + +/* I need to find out what (if any) the real delay factor here is */ +/* The delay is definately not critical */ +#define long_delay() {int i;for(i=0;i<10000;i++);} +#define short_delay() {int i;for(i=0;i<100;i++);} + +static void __init program_overdrive_fpga(const unsigned char *fpgacode, + int size) +{ + int timeout = 0; + int i, j; + unsigned char b; + static volatile unsigned char *FPGA_ControlReg = + (volatile unsigned char *) (OVERDRIVE_CTRL); + static volatile unsigned char *FPGA_ProgramReg = + (volatile unsigned char *) (FPGA_DCLK_ADDRESS); + + printk("FPGA: Commencing FPGA Programming\n"); + + /* The PCI reset but MUST be low when programming the FPGA !!! */ + b = (*FPGA_ControlReg) & RESET_PCI_MASK; + + (*FPGA_ControlReg) = b; + + /* Prepare FPGA to program */ + + FPGA_NotConfigHigh(); + long_delay(); + + FPGA_NotConfigLow(); + short_delay(); + + while ((*FPGA_ProgramReg & FPGA_NOT_STATUS) != 0) { + printk("FPGA: Waiting for NotStatus to go Low ... \n"); + } + + FPGA_NotConfigHigh(); + + /* Wait for FPGA "ready to be programmed" signal */ + printk("FPGA: Waiting for NotStatus to go high (FPGA ready)... \n"); + + for (timeout = 0; + (((*FPGA_ProgramReg & FPGA_NOT_STATUS) == 0) + && (timeout < FPGA_TIMEOUT)); timeout++); + + /* Check if timeout condition occured - i.e. an error */ + + if (timeout == FPGA_TIMEOUT) { + printk + ("FPGA: Failed to program - Timeout waiting for notSTATUS to go high\n"); + return; + } + + printk("FPGA: Copying data to FPGA ... %d bytes\n", size); + + /* Copy array to FPGA - bit at a time */ + + for (i = 0; i < size; i++) { + volatile unsigned w = 0; + + for (j = 0; j < 8; j++) { + *FPGA_ProgramReg = (fpgacode[i] >> j) & 0x01; + short_delay(); + } + if ((i & 0x3ff) == 0) { + printk("."); + } + } + + /* Waiting for CONFDONE to go high - means the program is complete */ + + for (timeout = 0; + (((*FPGA_ProgramReg & FPGA_CONFDONE) == 0) + && (timeout < FPGA_TIMEOUT)); timeout++) { + + *FPGA_ProgramReg = 0x0; + long_delay(); + } + + if (timeout == FPGA_TIMEOUT) { + printk + ("FPGA: Failed to program - Timeout waiting for CONFDONE to go high\n"); + return; + } else { /* Clock another 10 times - gets the device into a working state */ + for (i = 0; i < 10; i++) { + *FPGA_ProgramReg = 0x0; + short_delay(); + } + } + + printk("FPGA: Programming complete\n"); +} + + +static const unsigned char __init fpgacode[] = { +#include "./overdrive.ttf" /* Code from maxplus2 compiler */ + , 0, 0 +}; + + +int __init init_overdrive_fpga(void) +{ + program_overdrive_fpga(fpgacode, sizeof(fpgacode)); + + return 0; +} diff --git a/arch/sh/boards/overdrive/galileo.c b/arch/sh/boards/overdrive/galileo.c new file mode 100644 index 0000000..276fa11 --- /dev/null +++ b/arch/sh/boards/overdrive/galileo.c @@ -0,0 +1,588 @@ +/* + * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains the PCI routines required for the Galileo GT6411 + * PCI bridge as used on the Orion and Overdrive boards. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/smp.h> +#include <linux/smp_lock.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/types.h> +#include <linux/ioport.h> + +#include <asm/overdrive/overdrive.h> +#include <asm/overdrive/gt64111.h> + + +/* After boot, we shift the Galileo registers so that they appear + * in BANK6, along with IO space. This means we can have one contingous + * lump of PCI address space without these registers appearing in the + * middle of them + */ + +#define GT64111_BASE_ADDRESS 0xbb000000 +#define GT64111_IO_BASE_ADDRESS 0x1000 +/* The GT64111 registers appear at this address to the SH4 after reset */ +#define RESET_GT64111_BASE_ADDRESS 0xb4000000 + +/* Macros used to access the Galileo registers */ +#define RESET_GT64111_REG(x) (RESET_GT64111_BASE_ADDRESS+x) +#define GT64111_REG(x) (GT64111_BASE_ADDRESS+x) + +#define RESET_GT_WRITE(x,v) writel((v),RESET_GT64111_REG(x)) + +#define RESET_GT_READ(x) readl(RESET_GT64111_REG(x)) + +#define GT_WRITE(x,v) writel((v),GT64111_REG(x)) +#define GT_WRITE_BYTE(x,v) writeb((v),GT64111_REG(x)) +#define GT_WRITE_SHORT(x,v) writew((v),GT64111_REG(x)) + +#define GT_READ(x) readl(GT64111_REG(x)) +#define GT_READ_BYTE(x) readb(GT64111_REG(x)) +#define GT_READ_SHORT(x) readw(GT64111_REG(x)) + + +/* Where the various SH banks start at */ +#define SH_BANK4_ADR 0xb0000000 +#define SH_BANK5_ADR 0xb4000000 +#define SH_BANK6_ADR 0xb8000000 + +/* Masks out everything but lines 28,27,26 */ +#define BANK_SELECT_MASK 0x1c000000 + +#define SH4_TO_BANK(x) ( (x) & BANK_SELECT_MASK) + +/* + * Masks used for address conversaion. Bank 6 is used for IO and + * has all the address bits zeroed by the FPGA. Special case this + */ +#define MEMORY_BANK_MASK 0x1fffffff +#define IO_BANK_MASK 0x03ffffff + +/* Mark bank 6 as the bank used for IO. You can change this in the FPGA code + * if you want + */ +#define IO_BANK_ADR PCI_GTIO_BASE + +/* Will select the correct mask to apply depending on the SH$ address */ +#define SELECT_BANK_MASK(x) \ + ( (SH4_TO_BANK(x)==SH4_TO_BANK(IO_BANK_ADR)) ? IO_BANK_MASK : MEMORY_BANK_MASK) + +/* Converts between PCI space and P2 region */ +#define SH4_TO_PCI(x) ((x)&SELECT_BANK_MASK(x)) + +/* Various macros for figuring out what to stick in the Galileo registers. + * You *really* don't want to figure this stuff out by hand, you always get + * it wrong + */ +#define GT_MEM_LO_ADR(x) ((((unsigned)((x)&SELECT_BANK_MASK(x)))>>21)&0x7ff) +#define GT_MEM_HI_ADR(x) ((((unsigned)((x)&SELECT_BANK_MASK(x)))>>21)&0x7f) +#define GT_MEM_SUB_ADR(x) ((((unsigned)((x)&SELECT_BANK_MASK(x)))>>20)&0xff) + +#define PROGRAM_HI_LO(block,a,s) \ + GT_WRITE(block##_LO_DEC_ADR,GT_MEM_LO_ADR(a));\ + GT_WRITE(block##_HI_DEC_ADR,GT_MEM_HI_ADR(a+s-1)) + +#define PROGRAM_SUB_HI_LO(block,a,s) \ + GT_WRITE(block##_LO_DEC_ADR,GT_MEM_SUB_ADR(a));\ + GT_WRITE(block##_HI_DEC_ADR,GT_MEM_SUB_ADR(a+s-1)) + +/* We need to set the size, and the offset register */ + +#define GT_BAR_MASK(x) ((x)&~0xfff) + +/* Macro to set up the BAR in the Galileo. Essentially used for the DRAM */ +#define PROGRAM_GT_BAR(block,a,s) \ + GT_WRITE(PCI_##block##_BANK_SIZE,GT_BAR_MASK((s-1)));\ + write_config_to_galileo(PCI_CONFIG_##block##_BASE_ADR,\ + GT_BAR_MASK(a)) + +#define DISABLE_GT_BAR(block) \ + GT_WRITE(PCI_##block##_BANK_SIZE,0),\ + GT_CONFIG_WRITE(PCI_CONFIG_##block##_BASE_ADR,\ + 0x80000000) + +/* Macros to disable things we are not going to use */ +#define DISABLE_DECODE(x) GT_WRITE(x##_LO_DEC_ADR,0x7ff);\ + GT_WRITE(x##_HI_DEC_ADR,0x00) + +#define DISABLE_SUB_DECODE(x) GT_WRITE(x##_LO_DEC_ADR,0xff);\ + GT_WRITE(x##_HI_DEC_ADR,0x00) + +static void __init reset_pci(void) +{ + /* Set RESET_PCI bit high */ + writeb(readb(OVERDRIVE_CTRL) | ENABLE_PCI_BIT, OVERDRIVE_CTRL); + udelay(250); + + /* Set RESET_PCI bit low */ + writeb(readb(OVERDRIVE_CTRL) & RESET_PCI_MASK, OVERDRIVE_CTRL); + udelay(250); + + writeb(readb(OVERDRIVE_CTRL) | ENABLE_PCI_BIT, OVERDRIVE_CTRL); + udelay(250); +} + +static int write_config_to_galileo(int where, u32 val); +#define GT_CONFIG_WRITE(where,val) write_config_to_galileo(where,val) + +#define ENABLE_PCI_DRAM + + +#ifdef TEST_DRAM +/* Test function to check out if the PCI DRAM is working OK */ +static int /* __init */ test_dram(unsigned *base, unsigned size) +{ + unsigned *p = base; + unsigned *end = (unsigned *) (((unsigned) base) + size); + unsigned w; + + for (p = base; p < end; p++) { + *p = 0xffffffff; + if (*p != 0xffffffff) { + printk("AAARGH -write failed!!! at %p is %x\n", p, + *p); + return 0; + } + *p = 0x0; + if (*p != 0x0) { + printk("AAARGH -write failed!!!\n"); + return 0; + } + } + + for (p = base; p < end; p++) { + *p = (unsigned) p; + if (*p != (unsigned) p) { + printk("Failed at 0x%p, actually is 0x%x\n", p, + *p); + return 0; + } + } + + for (p = base; p < end; p++) { + w = ((unsigned) p & 0xffff0000); + *p = w | (w >> 16); + } + + for (p = base; p < end; p++) { + w = ((unsigned) p & 0xffff0000); + w |= (w >> 16); + if (*p != w) { + printk + ("Failed at 0x%p, should be 0x%x actually is 0x%x\n", + p, w, *p); + return 0; + } + } + + return 1; +} +#endif + + +/* Function to set up and initialise the galileo. This sets up the BARS, + * maps the DRAM into the address space etc,etc + */ +int __init galileo_init(void) +{ + reset_pci(); + + /* Now shift the galileo regs into this block */ + RESET_GT_WRITE(INTERNAL_SPACE_DEC, + GT_MEM_LO_ADR(GT64111_BASE_ADDRESS)); + + /* Should have a sanity check here, that you can read back at the new + * address what you just wrote + */ + + /* Disable decode for all regions */ + DISABLE_DECODE(RAS10); + DISABLE_DECODE(RAS32); + DISABLE_DECODE(CS20); + DISABLE_DECODE(CS3); + DISABLE_DECODE(PCI_IO); + DISABLE_DECODE(PCI_MEM0); + DISABLE_DECODE(PCI_MEM1); + + /* Disable all BARS */ + GT_WRITE(BAR_ENABLE_ADR, 0x1ff); + DISABLE_GT_BAR(RAS10); + DISABLE_GT_BAR(RAS32); + DISABLE_GT_BAR(CS20); + DISABLE_GT_BAR(CS3); + + /* Tell the BAR where the IO registers now are */ + GT_CONFIG_WRITE(PCI_CONFIG_INT_REG_IO_ADR,GT_BAR_MASK( + (GT64111_IO_BASE_ADDRESS & + IO_BANK_MASK))); + /* set up a 112 Mb decode */ + PROGRAM_HI_LO(PCI_MEM0, SH_BANK4_ADR, 112 * 1024 * 1024); + + /* Set up a 32 MB io space decode */ + PROGRAM_HI_LO(PCI_IO, IO_BANK_ADR, 32 * 1024 * 1024); + +#ifdef ENABLE_PCI_DRAM + /* Program up the DRAM configuration - there is DRAM only in bank 0 */ + /* Now set up the DRAM decode */ + PROGRAM_HI_LO(RAS10, PCI_DRAM_BASE, PCI_DRAM_SIZE); + /* And the sub decode */ + PROGRAM_SUB_HI_LO(RAS0, PCI_DRAM_BASE, PCI_DRAM_SIZE); + + DISABLE_SUB_DECODE(RAS1); + + /* Set refresh rate */ + GT_WRITE(DRAM_BANK0_PARMS, 0x3f); + GT_WRITE(DRAM_CFG, 0x100); + + /* we have to lob off the top bits rememeber!! */ + PROGRAM_GT_BAR(RAS10, SH4_TO_PCI(PCI_DRAM_BASE), PCI_DRAM_SIZE); + +#endif + + /* We are only interested in decoding RAS10 and the Galileo's internal + * registers (as IO) on the PCI bus + */ +#ifdef ENABLE_PCI_DRAM + GT_WRITE(BAR_ENABLE_ADR, (~((1 << 8) | (1 << 3))) & 0x1ff); +#else + GT_WRITE(BAR_ENABLE_ADR, (~(1 << 3)) & 0x1ff); +#endif + + /* Change the class code to host bridge, it actually powers up + * as a memory controller + */ + GT_CONFIG_WRITE(8, 0x06000011); + + /* Allow the galileo to master the PCI bus */ + GT_CONFIG_WRITE(PCI_COMMAND, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | + PCI_COMMAND_IO); + + +#if 0 + printk("Testing PCI DRAM - "); + if(test_dram(PCI_DRAM_BASE,PCI_DRAM_SIZE)) { + printk("Passed\n"); + }else { + printk("FAILED\n"); + } +#endif + return 0; + +} + + +#define SET_CONFIG_BITS(bus,devfn,where)\ + ((1<<31) | ((bus) << 16) | ((devfn) << 8) | ((where) & ~3)) + +#define CONFIG_CMD(dev, where) SET_CONFIG_BITS((dev)->bus->number,(dev)->devfn,where) + +/* This write to the galileo config registers, unlike the functions below, can + * be used before the PCI subsystem has started up + */ +static int __init write_config_to_galileo(int where, u32 val) +{ + GT_WRITE(PCI_CFG_ADR, SET_CONFIG_BITS(0, 0, where)); + + GT_WRITE(PCI_CFG_DATA, val); + return 0; +} + +/* We exclude the galileo and slot 31, the galileo because I don't know how to stop + * the setup code shagging up the setup I have done on it, and 31 because the whole + * thing locks up if you try to access that slot (which doesn't exist of course anyway + */ + +#define EXCLUDED_DEV(dev) ((dev->bus->number==0) && ((PCI_SLOT(dev->devfn)==0) || (PCI_SLOT(dev->devfn) == 31))) + +static int galileo_read_config_byte(struct pci_dev *dev, int where, + u8 * val) +{ + + + /* I suspect this doesn't work because this drives a special cycle ? */ + if (EXCLUDED_DEV(dev)) { + *val = 0xff; + return PCIBIOS_SUCCESSFUL; + } + /* Start the config cycle */ + GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where)); + /* Read back the result */ + *val = GT_READ_BYTE(PCI_CFG_DATA + (where & 3)); + + return PCIBIOS_SUCCESSFUL; +} + + +static int galileo_read_config_word(struct pci_dev *dev, int where, + u16 * val) +{ + + if (EXCLUDED_DEV(dev)) { + *val = 0xffff; + return PCIBIOS_SUCCESSFUL; + } + + GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where)); + *val = GT_READ_SHORT(PCI_CFG_DATA + (where & 2)); + + return PCIBIOS_SUCCESSFUL; +} + + +static int galileo_read_config_dword(struct pci_dev *dev, int where, + u32 * val) +{ + if (EXCLUDED_DEV(dev)) { + *val = 0xffffffff; + return PCIBIOS_SUCCESSFUL; + } + + GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where)); + *val = GT_READ(PCI_CFG_DATA); + + return PCIBIOS_SUCCESSFUL; +} + +static int galileo_write_config_byte(struct pci_dev *dev, int where, + u8 val) +{ + GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where)); + + GT_WRITE_BYTE(PCI_CFG_DATA + (where & 3), val); + + return PCIBIOS_SUCCESSFUL; +} + + +static int galileo_write_config_word(struct pci_dev *dev, int where, + u16 val) +{ + GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where)); + + GT_WRITE_SHORT(PCI_CFG_DATA + (where & 2), val); + + return PCIBIOS_SUCCESSFUL; +} + +static int galileo_write_config_dword(struct pci_dev *dev, int where, + u32 val) +{ + GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where)); + + GT_WRITE(PCI_CFG_DATA, val); + + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops pci_config_ops = { + galileo_read_config_byte, + galileo_read_config_word, + galileo_read_config_dword, + galileo_write_config_byte, + galileo_write_config_word, + galileo_write_config_dword +}; + + +/* Everything hangs off this */ +static struct pci_bus *pci_root_bus; + + +static u8 __init no_swizzle(struct pci_dev *dev, u8 * pin) +{ + return PCI_SLOT(dev->devfn); +} + +static int __init map_od_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + /* Slot 1: Galileo + * Slot 2: PCI Slot 1 + * Slot 3: PCI Slot 2 + * Slot 4: ESS + */ + switch (slot) { + case 2: + return OVERDRIVE_PCI_IRQ1; + case 3: + /* Note this assumes you have a hacked card in slot 2 */ + return OVERDRIVE_PCI_IRQ2; + case 4: + return OVERDRIVE_ESS_IRQ; + default: + /* printk("PCI: Unexpected IRQ mapping request for slot %d\n", slot); */ + return -1; + } +} + + + +void __init +pcibios_fixup_pbus_ranges(struct pci_bus *bus, struct pbus_set_ranges_data *ranges) +{ + ranges->io_start -= bus->resource[0]->start; + ranges->io_end -= bus->resource[0]->start; + ranges->mem_start -= bus->resource[1]->start; + ranges->mem_end -= bus->resource[1]->start; +} + +static void __init pci_fixup_ide_bases(struct pci_dev *d) +{ + int i; + + /* + * PCI IDE controllers use non-standard I/O port decoding, respect it. + */ + if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE) + return; + printk("PCI: IDE base address fixup for %s\n", pci_name(d)); + for(i=0; i<4; i++) { + struct resource *r = &d->resource[i]; + if ((r->start & ~0x80) == 0x374) { + r->start |= 2; + r->end = r->start; + } + } +} +DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases); + +void __init pcibios_init(void) +{ + static struct resource galio,galmem; + + /* Allocate the registers used by the Galileo */ + galio.flags = IORESOURCE_IO; + galio.name = "Galileo GT64011"; + galmem.flags = IORESOURCE_MEM|IORESOURCE_PREFETCH; + galmem.name = "Galileo GT64011 DRAM"; + + allocate_resource(&ioport_resource, &galio, 256, + GT64111_IO_BASE_ADDRESS,GT64111_IO_BASE_ADDRESS+256, 256, NULL, NULL); + allocate_resource(&iomem_resource, &galmem,PCI_DRAM_SIZE, + PHYSADDR(PCI_DRAM_BASE), PHYSADDR(PCI_DRAM_BASE)+PCI_DRAM_SIZE, + PCI_DRAM_SIZE, NULL, NULL); + + /* ok, do the scan man */ + pci_root_bus = pci_scan_bus(0, &pci_config_ops, NULL); + + pci_assign_unassigned_resources(); + pci_fixup_irqs(no_swizzle, map_od_irq); + +#ifdef TEST_DRAM + printk("Testing PCI DRAM - "); + if(test_dram(PCI_DRAM_BASE,PCI_DRAM_SIZE)) { + printk("Passed\n"); + }else { + printk("FAILED\n"); + } +#endif + +} + +char * __init pcibios_setup(char *str) +{ + return str; +} + + + +int pcibios_enable_device(struct pci_dev *dev) +{ + + u16 cmd, old_cmd; + int idx; + struct resource *r; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + old_cmd = cmd; + for (idx = 0; idx < 6; idx++) { + r = dev->resource + idx; + if (!r->start && r->end) { + printk(KERN_ERR + "PCI: Device %s not available because" + " of resource collisions\n", + pci_name(dev)); + return -EINVAL; + } + if (r->flags & IORESOURCE_IO) + cmd |= PCI_COMMAND_IO; + if (r->flags & IORESOURCE_MEM) + cmd |= PCI_COMMAND_MEMORY; + } + if (cmd != old_cmd) { + printk("PCI: enabling device %s (%04x -> %04x)\n", + pci_name(dev), old_cmd, cmd); + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + return 0; + +} + +/* We should do some optimisation work here I think. Ok for now though */ +void __init pcibios_fixup_bus(struct pci_bus *bus) +{ + +} + +void pcibios_align_resource(void *data, struct resource *res, + unsigned long size) +{ +} + +void __init pcibios_update_resource(struct pci_dev *dev, struct resource *root, + struct resource *res, int resource) +{ + + unsigned long where, size; + u32 reg; + + + printk("PCI: Assigning %3s %08lx to %s\n", + res->flags & IORESOURCE_IO ? "IO" : "MEM", + res->start, dev->name); + + where = PCI_BASE_ADDRESS_0 + resource * 4; + size = res->end - res->start; + + pci_read_config_dword(dev, where, ®); + reg = (reg & size) | (((u32) (res->start - root->start)) & ~size); + pci_write_config_dword(dev, where, reg); +} + + +void __init pcibios_update_irq(struct pci_dev *dev, int irq) +{ + printk("PCI: Assigning IRQ %02d to %s\n", irq, dev->name); + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); +} + +/* + * If we set up a device for bus mastering, we need to check the latency + * timer as certain crappy BIOSes forget to set it properly. + */ +unsigned int pcibios_max_latency = 255; + +void pcibios_set_master(struct pci_dev *dev) +{ + u8 lat; + pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); + if (lat < 16) + lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; + else if (lat > pcibios_max_latency) + lat = pcibios_max_latency; + else + return; + printk("PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); +} diff --git a/arch/sh/boards/overdrive/io.c b/arch/sh/boards/overdrive/io.c new file mode 100644 index 0000000..65f3fd0 --- /dev/null +++ b/arch/sh/boards/overdrive/io.c @@ -0,0 +1,173 @@ +/* + * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains the I/O routines for use on the overdrive board + * + */ + +#include <linux/config.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/addrspace.h> + +#include <asm/overdrive/overdrive.h> + +/* + * readX/writeX() are used to access memory mapped devices. On some + * architectures the memory mapped IO stuff needs to be accessed + * differently. On the SuperH architecture, we just read/write the + * memory location directly. + */ + +#define dprintk(x...) + +/* Translates an IO address to where it is mapped in memory */ + +#define io_addr(x) (((unsigned)(x))|PCI_GTIO_BASE) + +unsigned char od_inb(unsigned long port) +{ +dprintk("od_inb(%x)\n", port); + return readb(io_addr(port)) & 0xff; +} + + +unsigned short od_inw(unsigned long port) +{ +dprintk("od_inw(%x)\n", port); + return readw(io_addr(port)) & 0xffff; +} + +unsigned int od_inl(unsigned long port) +{ +dprintk("od_inl(%x)\n", port); + return readl(io_addr(port)); +} + +void od_outb(unsigned char value, unsigned long port) +{ +dprintk("od_outb(%x, %x)\n", value, port); + writeb(value, io_addr(port)); +} + +void od_outw(unsigned short value, unsigned long port) +{ +dprintk("od_outw(%x, %x)\n", value, port); + writew(value, io_addr(port)); +} + +void od_outl(unsigned int value, unsigned long port) +{ +dprintk("od_outl(%x, %x)\n", value, port); + writel(value, io_addr(port)); +} + +/* This is horrible at the moment - needs more work to do something sensible */ +#define IO_DELAY() udelay(10) + +#define OUT_DELAY(x,type) \ +void od_out##x##_p(unsigned type value,unsigned long port){out##x(value,port);IO_DELAY();} + +#define IN_DELAY(x,type) \ +unsigned type od_in##x##_p(unsigned long port) {unsigned type tmp=in##x(port);IO_DELAY();return tmp;} + + +OUT_DELAY(b,char) +OUT_DELAY(w,short) +OUT_DELAY(l,int) + +IN_DELAY(b,char) +IN_DELAY(w,short) +IN_DELAY(l,int) + + +/* Now for the string version of these functions */ +void od_outsb(unsigned long port, const void *addr, unsigned long count) +{ + int i; + unsigned char *p = (unsigned char *) addr; + + for (i = 0; i < count; i++, p++) { + outb(*p, port); + } +} + + +void od_insb(unsigned long port, void *addr, unsigned long count) +{ + int i; + unsigned char *p = (unsigned char *) addr; + + for (i = 0; i < count; i++, p++) { + *p = inb(port); + } +} + +/* For the 16 and 32 bit string functions, we have to worry about alignment. + * The SH does not do unaligned accesses, so we have to read as bytes and + * then write as a word or dword. + * This can be optimised a lot more, especially in the case where the data + * is aligned + */ + +void od_outsw(unsigned long port, const void *addr, unsigned long count) +{ + int i; + unsigned short tmp; + unsigned char *p = (unsigned char *) addr; + + for (i = 0; i < count; i++, p += 2) { + tmp = (*p) | ((*(p + 1)) << 8); + outw(tmp, port); + } +} + + +void od_insw(unsigned long port, void *addr, unsigned long count) +{ + int i; + unsigned short tmp; + unsigned char *p = (unsigned char *) addr; + + for (i = 0; i < count; i++, p += 2) { + tmp = inw(port); + p[0] = tmp & 0xff; + p[1] = (tmp >> 8) & 0xff; + } +} + + +void od_outsl(unsigned long port, const void *addr, unsigned long count) +{ + int i; + unsigned tmp; + unsigned char *p = (unsigned char *) addr; + + for (i = 0; i < count; i++, p += 4) { + tmp = (*p) | ((*(p + 1)) << 8) | ((*(p + 2)) << 16) | + ((*(p + 3)) << 24); + outl(tmp, port); + } +} + + +void od_insl(unsigned long port, void *addr, unsigned long count) +{ + int i; + unsigned tmp; + unsigned char *p = (unsigned char *) addr; + + for (i = 0; i < count; i++, p += 4) { + tmp = inl(port); + p[0] = tmp & 0xff; + p[1] = (tmp >> 8) & 0xff; + p[2] = (tmp >> 16) & 0xff; + p[3] = (tmp >> 24) & 0xff; + + } +} diff --git a/arch/sh/boards/overdrive/irq.c b/arch/sh/boards/overdrive/irq.c new file mode 100644 index 0000000..23adc6b --- /dev/null +++ b/arch/sh/boards/overdrive/irq.c @@ -0,0 +1,192 @@ +/* + * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Looks after interrupts on the overdrive board. + * + * Bases on the IPR irq system + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/system.h> +#include <asm/io.h> + +#include <asm/overdrive/overdrive.h> + +struct od_data { + int overdrive_irq; + int irq_mask; +}; + +#define NUM_EXTERNAL_IRQS 16 +#define EXTERNAL_IRQ_NOT_IN_USE (-1) +#define EXTERNAL_IRQ_NOT_ASSIGNED (-1) + +/* + * This table is used to determine what to program into the FPGA's CT register + * for the specified Linux IRQ. + * + * The irq_mask gives the interrupt number from the PCI board (PCI_Int(6:0)) + * but is one greater than that because the because the FPGA treats 0 + * as disabled, a value of 1 asserts PCI_Int0, and so on. + * + * The overdrive_irq specifies which of the eight interrupt sources generates + * that interrupt, and but is multiplied by four to give the bit offset into + * the CT register. + * + * The seven interrupts levels (SH4 IRL's) we have available here is hardwired + * by the EPLD. The assignments here of which PCI interrupt generates each + * level is arbitary. + */ +static struct od_data od_data_table[NUM_EXTERNAL_IRQS] = { + /* overdrive_irq , irq_mask */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 0 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 7}, /* 1 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 6}, /* 2 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 3 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 5}, /* 4 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 5 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 6 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 4}, /* 7 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 8 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 9 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 3}, /* 10 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 2}, /* 11 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 12 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, 1}, /* 13 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}, /* 14 */ + {EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE} /* 15 */ +}; + +static void set_od_data(int overdrive_irq, int irq) +{ + if (irq >= NUM_EXTERNAL_IRQS || irq < 0) + return; + od_data_table[irq].overdrive_irq = overdrive_irq << 2; +} + +static void enable_od_irq(unsigned int irq); +void disable_od_irq(unsigned int irq); + +/* shutdown is same as "disable" */ +#define shutdown_od_irq disable_od_irq + +static void mask_and_ack_od(unsigned int); +static void end_od_irq(unsigned int irq); + +static unsigned int startup_od_irq(unsigned int irq) +{ + enable_od_irq(irq); + return 0; /* never anything pending */ +} + +static struct hw_interrupt_type od_irq_type = { + "Overdrive-IRQ", + startup_od_irq, + shutdown_od_irq, + enable_od_irq, + disable_od_irq, + mask_and_ack_od, + end_od_irq +}; + +static void disable_od_irq(unsigned int irq) +{ + unsigned val, flags; + int overdrive_irq; + unsigned mask; + + /* Not a valid interrupt */ + if (irq < 0 || irq >= NUM_EXTERNAL_IRQS) + return; + + /* Is is necessary to use a cli here? Would a spinlock not be + * mroe efficient? + */ + local_irq_save(flags); + overdrive_irq = od_data_table[irq].overdrive_irq; + if (overdrive_irq != EXTERNAL_IRQ_NOT_ASSIGNED) { + mask = ~(0x7 << overdrive_irq); + val = ctrl_inl(OVERDRIVE_INT_CT); + val &= mask; + ctrl_outl(val, OVERDRIVE_INT_CT); + } + local_irq_restore(flags); +} + +static void enable_od_irq(unsigned int irq) +{ + unsigned val, flags; + int overdrive_irq; + unsigned mask; + + /* Not a valid interrupt */ + if (irq < 0 || irq >= NUM_EXTERNAL_IRQS) + return; + + /* Set priority in OD back to original value */ + local_irq_save(flags); + /* This one is not in use currently */ + overdrive_irq = od_data_table[irq].overdrive_irq; + if (overdrive_irq != EXTERNAL_IRQ_NOT_ASSIGNED) { + val = ctrl_inl(OVERDRIVE_INT_CT); + mask = ~(0x7 << overdrive_irq); + val &= mask; + mask = od_data_table[irq].irq_mask << overdrive_irq; + val |= mask; + ctrl_outl(val, OVERDRIVE_INT_CT); + } + local_irq_restore(flags); +} + + + +/* this functions sets the desired irq handler to be an overdrive type */ +static void __init make_od_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &od_irq_type; + disable_od_irq(irq); +} + + +static void mask_and_ack_od(unsigned int irq) +{ + disable_od_irq(irq); +} + +static void end_od_irq(unsigned int irq) +{ + enable_od_irq(irq); +} + +void __init init_overdrive_irq(void) +{ + int i; + + /* Disable all interrupts */ + ctrl_outl(0, OVERDRIVE_INT_CT); + + /* Update interrupt pin mode to use encoded interrupts */ + i = ctrl_inw(INTC_ICR); + i &= ~INTC_ICR_IRLM; + ctrl_outw(i, INTC_ICR); + + for (i = 0; i < NUM_EXTERNAL_IRQS; i++) { + if (od_data_table[i].irq_mask != EXTERNAL_IRQ_NOT_IN_USE) { + make_od_irq(i); + } else if (i != 15) { // Cannot use imask on level 15 + make_imask_irq(i); + } + } + + /* Set up the interrupts */ + set_od_data(OVERDRIVE_PCI_INTA, OVERDRIVE_PCI_IRQ1); + set_od_data(OVERDRIVE_PCI_INTB, OVERDRIVE_PCI_IRQ2); + set_od_data(OVERDRIVE_AUDIO_INT, OVERDRIVE_ESS_IRQ); +} diff --git a/arch/sh/boards/overdrive/led.c b/arch/sh/boards/overdrive/led.c new file mode 100644 index 0000000..734742e --- /dev/null +++ b/arch/sh/boards/overdrive/led.c @@ -0,0 +1,59 @@ +/* + * linux/arch/sh/overdrive/led.c + * + * Copyright (C) 1999 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains an Overdrive specific LED feature. + */ + +#include <linux/config.h> +#include <asm/system.h> +#include <asm/io.h> +#include <asm/overdrive/overdrive.h> + +static void mach_led(int position, int value) +{ + unsigned long flags; + unsigned long reg; + + local_irq_save(flags); + + reg = readl(OVERDRIVE_CTRL); + if (value) { + reg |= (1<<3); + } else { + reg &= ~(1<<3); + } + writel(reg, OVERDRIVE_CTRL); + + local_irq_restore(flags); +} + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* acts like an actual heart beat -- ie thump-thump-pause... */ +void heartbeat_od(void) +{ + static unsigned cnt = 0, period = 0, dist = 0; + + if (cnt == 0 || cnt == dist) + mach_led( -1, 1); + else if (cnt == 7 || cnt == dist+7) + mach_led( -1, 0); + + if (++cnt > period) { + cnt = 0; + /* The hyperbolic function below modifies the heartbeat period + * length in dependency of the current (5min) load. It goes + * through the points f(0)=126, f(1)=86, f(5)=51, + * f(inf)->30. */ + period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; + dist = period / 4; + } +} +#endif /* CONFIG_HEARTBEAT */ diff --git a/arch/sh/boards/overdrive/mach.c b/arch/sh/boards/overdrive/mach.c new file mode 100644 index 0000000..2834a03 --- /dev/null +++ b/arch/sh/boards/overdrive/mach.c @@ -0,0 +1,62 @@ +/* + * linux/arch/sh/overdrive/mach.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the STMicroelectronics Overdrive + */ + +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/io_unknown.h> +#include <asm/io_generic.h> +#include <asm/overdrive/io.h> + +void heartbeat_od(void); +void init_overdrive_irq(void); +void galileo_pcibios_init(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_od __initmv = { + .mv_nr_irqs = 48, + + .mv_inb = od_inb, + .mv_inw = od_inw, + .mv_inl = od_inl, + .mv_outb = od_outb, + .mv_outw = od_outw, + .mv_outl = od_outl, + + .mv_inb_p = od_inb_p, + .mv_inw_p = od_inw_p, + .mv_inl_p = od_inl_p, + .mv_outb_p = od_outb_p, + .mv_outw_p = od_outw_p, + .mv_outl_p = od_outl_p, + + .mv_insb = od_insb, + .mv_insw = od_insw, + .mv_insl = od_insl, + .mv_outsb = od_outsb, + .mv_outsw = od_outsw, + .mv_outsl = od_outsl, + +#ifdef CONFIG_PCI + .mv_init_irq = init_overdrive_irq, +#endif +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_od, +#endif +}; + +ALIAS_MV(od) diff --git a/arch/sh/boards/overdrive/pcidma.c b/arch/sh/boards/overdrive/pcidma.c new file mode 100644 index 0000000..1c9bfed --- /dev/null +++ b/arch/sh/boards/overdrive/pcidma.c @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Dynamic DMA mapping support. + * + * On the overdrive, we can only DMA from memory behind the PCI bus! + * this means that all DMA'able memory must come from there. + * this restriction will not apply to later boards. + */ + +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/string.h> +#include <linux/pci.h> +#include <asm/io.h> + +void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, + dma_addr_t * dma_handle) +{ + void *ret; + int gfp = GFP_ATOMIC; + + printk("BUG: pci_alloc_consistent() called - not yet supported\n"); + /* We ALWAYS need DMA memory on the overdrive hardware, + * due to it's extreme weirdness + * Need to flush the cache here as well, since the memory + * can still be seen through the cache! + */ + gfp |= GFP_DMA; + ret = (void *) __get_free_pages(gfp, get_order(size)); + + if (ret != NULL) { + memset(ret, 0, size); + *dma_handle = virt_to_bus(ret); + } + return ret; +} + +void pci_free_consistent(struct pci_dev *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + free_pages((unsigned long) vaddr, get_order(size)); +} diff --git a/arch/sh/boards/overdrive/setup.c b/arch/sh/boards/overdrive/setup.c new file mode 100644 index 0000000..a36ce02 --- /dev/null +++ b/arch/sh/boards/overdrive/setup.c @@ -0,0 +1,41 @@ +/* + * arch/sh/overdrive/setup.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * STMicroelectronics Overdrive Support. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <asm/io.h> + +#include <asm/overdrive/overdrive.h> +#include <asm/overdrive/fpga.h> + +extern void od_time_init(void); + +const char *get_system_type(void) +{ + return "SH7750 Overdrive"; +} + +/* + * Initialize the board + */ +int __init platform_setup(void) +{ +#ifdef CONFIG_PCI + init_overdrive_fpga(); + galileo_init(); +#endif + + board_time_init = od_time_init; + + /* Enable RS232 receive buffers */ + writel(0x1e, OVERDRIVE_CTRL); +} diff --git a/arch/sh/boards/overdrive/time.c b/arch/sh/boards/overdrive/time.c new file mode 100644 index 0000000..6853369 --- /dev/null +++ b/arch/sh/boards/overdrive/time.c @@ -0,0 +1,119 @@ +/* + * arch/sh/boards/overdrive/time.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * Copyright (C) 2002 Paul Mundt (lethal@chaoticdreams.org) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * STMicroelectronics Overdrive Support. + */ + +void od_time_init(void) +{ + struct frqcr_data { + unsigned short frqcr; + struct { + unsigned char multiplier; + unsigned char divisor; + } factor[3]; + }; + + static struct frqcr_data st40_frqcr_table[] = { + { 0x000, {{1,1}, {1,1}, {1,2}}}, + { 0x002, {{1,1}, {1,1}, {1,4}}}, + { 0x004, {{1,1}, {1,1}, {1,8}}}, + { 0x008, {{1,1}, {1,2}, {1,2}}}, + { 0x00A, {{1,1}, {1,2}, {1,4}}}, + { 0x00C, {{1,1}, {1,2}, {1,8}}}, + { 0x011, {{1,1}, {2,3}, {1,6}}}, + { 0x013, {{1,1}, {2,3}, {1,3}}}, + { 0x01A, {{1,1}, {1,2}, {1,4}}}, + { 0x01C, {{1,1}, {1,2}, {1,8}}}, + { 0x023, {{1,1}, {2,3}, {1,3}}}, + { 0x02C, {{1,1}, {1,2}, {1,8}}}, + { 0x048, {{1,2}, {1,2}, {1,4}}}, + { 0x04A, {{1,2}, {1,2}, {1,6}}}, + { 0x04C, {{1,2}, {1,2}, {1,8}}}, + { 0x05A, {{1,2}, {1,3}, {1,6}}}, + { 0x05C, {{1,2}, {1,3}, {1,6}}}, + { 0x063, {{1,2}, {1,4}, {1,4}}}, + { 0x06C, {{1,2}, {1,4}, {1,8}}}, + { 0x091, {{1,3}, {1,3}, {1,6}}}, + { 0x093, {{1,3}, {1,3}, {1,6}}}, + { 0x0A3, {{1,3}, {1,6}, {1,6}}}, + { 0x0DA, {{1,4}, {1,4}, {1,8}}}, + { 0x0DC, {{1,4}, {1,4}, {1,8}}}, + { 0x0EC, {{1,4}, {1,8}, {1,8}}}, + { 0x123, {{1,4}, {1,4}, {1,8}}}, + { 0x16C, {{1,4}, {1,8}, {1,8}}}, + }; + + struct memclk_data { + unsigned char multiplier; + unsigned char divisor; + }; + static struct memclk_data st40_memclk_table[8] = { + {1,1}, // 000 + {1,2}, // 001 + {1,3}, // 010 + {2,3}, // 011 + {1,4}, // 100 + {1,6}, // 101 + {1,8}, // 110 + {1,8} // 111 + }; + + unsigned long pvr; + + /* + * This should probably be moved into the SH3 probing code, and then + * use the processor structure to determine which CPU we are running + * on. + */ + pvr = ctrl_inl(CCN_PVR); + printk("PVR %08x\n", pvr); + + if (((pvr >> CCN_PVR_CHIP_SHIFT) & CCN_PVR_CHIP_MASK) == CCN_PVR_CHIP_ST40STB1) { + /* + * Unfortunatly the STB1 FRQCR values are different from the + * 7750 ones. + */ + struct frqcr_data *d; + int a; + unsigned long memclkcr; + struct memclk_data *e; + + for (a=0; a<ARRAY_SIZE(st40_frqcr_table); a++) { + d = &st40_frqcr_table[a]; + if (d->frqcr == (frqcr & 0x1ff)) + break; + } + if (a == ARRAY_SIZE(st40_frqcr_table)) { + d = st40_frqcr_table; + printk("ERROR: Unrecognised FRQCR value, using default multipliers\n"); + } + + memclkcr = ctrl_inl(CLOCKGEN_MEMCLKCR); + e = &st40_memclk_table[memclkcr & MEMCLKCR_RATIO_MASK]; + + printk("Clock multipliers: CPU: %d/%d Bus: %d/%d Mem: %d/%d Periph: %d/%d\n", + d->factor[0].multiplier, d->factor[0].divisor, + d->factor[1].multiplier, d->factor[1].divisor, + e->multiplier, e->divisor, + d->factor[2].multiplier, d->factor[2].divisor); + + current_cpu_data.master_clock = current_cpu_data.module_clock * + d->factor[2].divisor / + d->factor[2].multiplier; + current_cpu_data.bus_clock = current_cpu_data.master_clock * + d->factor[1].multiplier / + d->factor[1].divisor; + current_cpu_data.memory_clock = current_cpu_data.master_clock * + e->multiplier / e->divisor; + current_cpu_data.cpu_clock = current_cpu_data.master_clock * + d->factor[0].multiplier / + d->factor[0].divisor; +} + diff --git a/arch/sh/boards/renesas/edosk7705/Makefile b/arch/sh/boards/renesas/edosk7705/Makefile new file mode 100644 index 0000000..7fccbf2 --- /dev/null +++ b/arch/sh/boards/renesas/edosk7705/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for the EDOSK7705 specific parts of the kernel +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# + +obj-y := setup.o io.o + diff --git a/arch/sh/boards/renesas/edosk7705/io.c b/arch/sh/boards/renesas/edosk7705/io.c new file mode 100644 index 0000000..541cea2 --- /dev/null +++ b/arch/sh/boards/renesas/edosk7705/io.c @@ -0,0 +1,94 @@ +/* + * arch/sh/boards/renesas/edosk7705/io.c + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routines for Hitachi EDOSK7705 board. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/edosk7705/io.h> +#include <asm/addrspace.h> + +#define SMC_IOADDR 0xA2000000 + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */ +unsigned long sh_edosk7705_isa_port2addr(unsigned long port) +{ + if (port >= 0x300 && port < 0x320) { + /* SMC91C96 registers are 4 byte aligned rather than the + * usual 2 byte! + */ + return SMC_IOADDR + ( (port - 0x300) * 2); + } + + maybebadio(sh_edosk7705_isa_port2addr, port); + return port; +} + +/* Trying to read / write bytes on odd-byte boundaries to the Ethernet + * registers causes problems. So we bit-shift the value and read / write + * in 2 byte chunks. Setting the low byte to 0 does not cause problems + * now as odd byte writes are only made on the bit mask / interrupt + * register. This may not be the case in future Mar-2003 SJD + */ +unsigned char sh_edosk7705_inb(unsigned long port) +{ + if (port >= 0x300 && port < 0x320 && port & 0x01) { + return (volatile unsigned char)(generic_inw(port -1) >> 8); + } + return *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port); +} + +unsigned int sh_edosk7705_inl(unsigned long port) +{ + return *(volatile unsigned long *)port; +} + +void sh_edosk7705_outb(unsigned char value, unsigned long port) +{ + if (port >= 0x300 && port < 0x320 && port & 0x01) { + generic_outw(((unsigned short)value << 8), port -1); + return; + } + *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port) = value; +} + +void sh_edosk7705_outl(unsigned int value, unsigned long port) +{ + *(volatile unsigned long *)port = value; +} + +void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count) +{ + unsigned char *p = addr; + while (count--) *p++ = sh_edosk7705_inb(port); +} + +void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count) +{ + unsigned long *p = (unsigned long*)addr; + while (count--) + *p++ = *(volatile unsigned long *)port; +} + +void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count) +{ + unsigned char *p = (unsigned char*)addr; + while (count--) sh_edosk7705_outb(*p++, port); +} + +void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count) +{ + unsigned long *p = (unsigned long*)addr; + while (count--) sh_edosk7705_outl(*p++, port); +} + diff --git a/arch/sh/boards/renesas/edosk7705/setup.c b/arch/sh/boards/renesas/edosk7705/setup.c new file mode 100644 index 0000000..8b6f0c2 --- /dev/null +++ b/arch/sh/boards/renesas/edosk7705/setup.c @@ -0,0 +1,60 @@ +/* + * arch/sh/boards/renesas/edosk7705/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + * Modified for edosk7705 development + * board by S. Dunn, 2003. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> +#include <asm/edosk7705/io.h> + +static void init_edosk7705(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_edosk7705 __initmv = { + .mv_nr_irqs = 80, + + .mv_inb = sh_edosk7705_inb, + .mv_inl = sh_edosk7705_inl, + .mv_outb = sh_edosk7705_outb, + .mv_outl = sh_edosk7705_outl, + + .mv_inl_p = sh_edosk7705_inl, + .mv_outl_p = sh_edosk7705_outl, + + .mv_insb = sh_edosk7705_insb, + .mv_insl = sh_edosk7705_insl, + .mv_outsb = sh_edosk7705_outsb, + .mv_outsl = sh_edosk7705_outsl, + + .mv_isa_port2addr = sh_edosk7705_isa_port2addr, + .mv_init_irq = init_edosk7705, +}; +ALIAS_MV(edosk7705) + +static void __init init_edosk7705(void) +{ + /* This is the Ethernet interrupt */ + make_imask_irq(0x09); +} + +const char *get_system_type(void) +{ + return "EDOSK7705"; +} + +void __init platform_setup(void) +{ + /* Nothing .. */ +} + diff --git a/arch/sh/boards/renesas/hs7751rvoip/Makefile b/arch/sh/boards/renesas/hs7751rvoip/Makefile new file mode 100644 index 0000000..e8b4109 --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/Makefile @@ -0,0 +1,12 @@ +# +# Makefile for the HS7751RVoIP specific parts of the kernel +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# + +obj-y := mach.o setup.o io.o irq.o led.o + +obj-$(CONFIG_PCI) += pci.o + diff --git a/arch/sh/boards/renesas/hs7751rvoip/io.c b/arch/sh/boards/renesas/hs7751rvoip/io.c new file mode 100644 index 0000000..456753d --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/io.c @@ -0,0 +1,310 @@ +/* + * linux/arch/sh/kernel/io_hs7751rvoip.c + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routine for Renesas Technology sales HS7751RVoIP + * + * Initial version only to support LAN access; some + * placeholder code from io_hs7751rvoip.c left in with the + * expectation of later SuperIO and PCMCIA access. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/hs7751rvoip/hs7751rvoip.h> +#include <asm/addrspace.h> + +#include <linux/module.h> +#include <linux/pci.h> +#include "../../../drivers/pci/pci-sh7751.h" + +extern void *area5_io8_base; /* Area 5 8bit I/O Base address */ +extern void *area6_io8_base; /* Area 6 8bit I/O Base address */ +extern void *area5_io16_base; /* Area 5 16bit I/O Base address */ +extern void *area6_io16_base; /* Area 6 16bit I/O Base address */ + +/* + * The 7751R HS7751RVoIP uses the built-in PCI controller (PCIC) + * of the 7751R processor, and has a SuperIO accessible via the PCI. + * The board also includes a PCMCIA controller on its memory bus, + * like the other Solution Engine boards. + */ + +#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) +#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) +#define PCI_IO_AREA SH7751_PCI_IO_BASE +#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE + +#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) + +#if defined(CONFIG_HS7751RVOIP_CODEC) +#define CODEC_IO_BASE 0x1000 +#endif + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +static inline void delay(void) +{ + ctrl_inw(0xa0000000); +} + +static inline unsigned long port2adr(unsigned int port) +{ + if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) + if (port == 0x3f6) + return ((unsigned long)area5_io16_base + 0x0c); + else + return ((unsigned long)area5_io16_base + 0x800 + ((port-0x1f0) << 1)); + else + maybebadio(port2adr, (unsigned long)port); + return port; +} + +/* The 7751R HS7751RVoIP seems to have everything hooked */ +/* up pretty normally (nothing on high-bytes only...) so this */ +/* shouldn't be needed */ +static inline int shifted_port(unsigned long port) +{ + /* For IDE registers, value is not shifted */ + if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) + return 0; + else + return 1; +} + +#if defined(CONFIG_HS7751RVOIP_CODEC) +static inline int +codec_port(unsigned long port) +{ + if (CODEC_IO_BASE <= port && port < (CODEC_IO_BASE+0x20)) + return 1; + else + return 0; +} +#endif + +/* In case someone configures the kernel w/o PCI support: in that */ +/* scenario, don't ever bother to check for PCI-window addresses */ + +/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ +#if defined(CONFIG_PCI) +#define CHECK_SH7751_PCIIO(port) \ + ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) +#else +#define CHECK_SH7751_PCIIO(port) (0) +#endif + +/* + * General outline: remap really low stuff [eventually] to SuperIO, + * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) + * is mapped through the PCI IO window. Stuff with high bits (PXSEG) + * should be way beyond the window, and is used w/o translation for + * compatibility. + */ +unsigned char hs7751rvoip_inb(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned char *)port; +#if defined(CONFIG_HS7751RVOIP_CODEC) + else if (codec_port(port)) + return *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)); +#endif + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + return *(volatile unsigned char *)PCI_IOMAP(port); + else + return (*(volatile unsigned short *)port2adr(port) & 0xff); +} + +unsigned char hs7751rvoip_inb_p(unsigned long port) +{ + unsigned char v; + + if (PXSEG(port)) + v = *(volatile unsigned char *)port; +#if defined(CONFIG_HS7751RVOIP_CODEC) + else if (codec_port(port)) + v = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)); +#endif + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + v = *(volatile unsigned char *)PCI_IOMAP(port); + else + v = (*(volatile unsigned short *)port2adr(port) & 0xff); + delay(); + return v; +} + +unsigned short hs7751rvoip_inw(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + return *(volatile unsigned short *)PCI_IOMAP(port); + else + maybebadio(inw, port); + return 0; +} + +unsigned int hs7751rvoip_inl(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned long *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + return *(volatile unsigned long *)PCI_IOMAP(port); + else + maybebadio(inl, port); + return 0; +} + +void hs7751rvoip_outb(unsigned char value, unsigned long port) +{ + + if (PXSEG(port)) + *(volatile unsigned char *)port = value; +#if defined(CONFIG_HS7751RVOIP_CODEC) + else if (codec_port(port)) + *(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value; +#endif + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(unsigned char *)PCI_IOMAP(port) = value; + else + *(volatile unsigned short *)port2adr(port) = value; +} + +void hs7751rvoip_outb_p(unsigned char value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned char *)port = value; +#if defined(CONFIG_HS7751RVOIP_CODEC) + else if (codec_port(port)) + *(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value; +#endif + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(unsigned char *)PCI_IOMAP(port) = value; + else + *(volatile unsigned short *)port2adr(port) = value; + delay(); +} + +void hs7751rvoip_outw(unsigned short value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned short *)port = value; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(unsigned short *)PCI_IOMAP(port) = value; + else + maybebadio(outw, port); +} + +void hs7751rvoip_outl(unsigned int value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned long *)port = value; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *((unsigned long *)PCI_IOMAP(port)) = value; + else + maybebadio(outl, port); +} + +void hs7751rvoip_insb(unsigned long port, void *addr, unsigned long count) +{ + if (PXSEG(port)) + while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port; +#if defined(CONFIG_HS7751RVOIP_CODEC) + else if (codec_port(port)) + while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)); +#endif + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + volatile __u8 *bp = (__u8 *)PCI_IOMAP(port); + + while (count--) *((volatile unsigned char *) addr)++ = *bp; + } else { + volatile __u16 *p = (volatile unsigned short *)port2adr(port); + + while (count--) *((unsigned char *) addr)++ = *p & 0xff; + } +} + +void hs7751rvoip_insw(unsigned long port, void *addr, unsigned long count) +{ + volatile __u16 *p; + + if (PXSEG(port)) + p = (volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + p = (volatile unsigned short *)PCI_IOMAP(port); + else + p = (volatile unsigned short *)port2adr(port); + while (count--) *((__u16 *) addr)++ = *p; +} + +void hs7751rvoip_insl(unsigned long port, void *addr, unsigned long count) +{ + if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + + while (count--) *((__u32 *) addr)++ = *p; + } else + maybebadio(insl, port); +} + +void hs7751rvoip_outsb(unsigned long port, const void *addr, unsigned long count) +{ + if (PXSEG(port)) + while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++; +#if defined(CONFIG_HS7751RVOIP_CODEC) + else if (codec_port(port)) + while (count--) *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = *((unsigned char *) addr)++; +#endif + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + volatile __u8 *bp = (__u8 *)PCI_IOMAP(port); + + while (count--) *bp = *((volatile unsigned char *) addr)++; + } else { + volatile __u16 *p = (volatile unsigned short *)port2adr(port); + + while (count--) *p = *((unsigned char *) addr)++; + } +} + +void hs7751rvoip_outsw(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u16 *p; + + if (PXSEG(port)) + p = (volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + p = (volatile unsigned short *)PCI_IOMAP(port); + else + p = (volatile unsigned short *)port2adr(port); + while (count--) *p = *((__u16 *) addr)++; +} + +void hs7751rvoip_outsl(unsigned long port, const void *addr, unsigned long count) +{ + if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + + while (count--) *p = *((__u32 *) addr)++; + } else + maybebadio(outsl, port); +} + +void *hs7751rvoip_ioremap(unsigned long offset, unsigned long size) +{ + if (offset >= 0xfd000000) + return (void *)offset; + else + return (void *)P2SEGADDR(offset); +} +EXPORT_SYMBOL(hs7751rvoip_ioremap); + +unsigned long hs7751rvoip_isa_port2addr(unsigned long offset) +{ + return port2adr(offset); +} diff --git a/arch/sh/boards/renesas/hs7751rvoip/irq.c b/arch/sh/boards/renesas/hs7751rvoip/irq.c new file mode 100644 index 0000000..a7921f6 --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/irq.c @@ -0,0 +1,122 @@ +/* + * linux/arch/sh/boards/renesas/hs7751rvoip/irq.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Renesas Technology Sales HS7751RVoIP Support. + * + * Modified for HS7751RVoIP by + * Atom Create Engineering Co., Ltd. 2002. + * Lineo uSolutions, Inc. 2003. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/hs7751rvoip/hs7751rvoip.h> + +static int mask_pos[] = {8, 9, 10, 11, 12, 13, 0, 1, 2, 3, 4, 5, 6, 7}; + +static void enable_hs7751rvoip_irq(unsigned int irq); +static void disable_hs7751rvoip_irq(unsigned int irq); + +/* shutdown is same as "disable" */ +#define shutdown_hs7751rvoip_irq disable_hs7751rvoip_irq + +static void ack_hs7751rvoip_irq(unsigned int irq); +static void end_hs7751rvoip_irq(unsigned int irq); + +static unsigned int startup_hs7751rvoip_irq(unsigned int irq) +{ + enable_hs7751rvoip_irq(irq); + return 0; /* never anything pending */ +} + +static void disable_hs7751rvoip_irq(unsigned int irq) +{ + unsigned long flags; + unsigned short val; + unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]); + + /* Set the priority in IPR to 0 */ + local_irq_save(flags); + val = ctrl_inw(IRLCNTR3); + val &= mask; + ctrl_outw(val, IRLCNTR3); + local_irq_restore(flags); +} + +static void enable_hs7751rvoip_irq(unsigned int irq) +{ + unsigned long flags; + unsigned short val; + unsigned short value = (0x0001 << mask_pos[irq]); + + /* Set priority in IPR back to original value */ + local_irq_save(flags); + val = ctrl_inw(IRLCNTR3); + val |= value; + ctrl_outw(val, IRLCNTR3); + local_irq_restore(flags); +} + +static void ack_hs7751rvoip_irq(unsigned int irq) +{ + disable_hs7751rvoip_irq(irq); +} + +static void end_hs7751rvoip_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_hs7751rvoip_irq(irq); +} + +static struct hw_interrupt_type hs7751rvoip_irq_type = { + "HS7751RVoIP IRQ", + startup_hs7751rvoip_irq, + shutdown_hs7751rvoip_irq, + enable_hs7751rvoip_irq, + disable_hs7751rvoip_irq, + ack_hs7751rvoip_irq, + end_hs7751rvoip_irq, +}; + +static void make_hs7751rvoip_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &hs7751rvoip_irq_type; + disable_hs7751rvoip_irq(irq); +} + +/* + * Initialize IRQ setting + */ +void __init init_hs7751rvoip_IRQ(void) +{ + int i; + + /* IRL0=ON HOOK1 + * IRL1=OFF HOOK1 + * IRL2=ON HOOK2 + * IRL3=OFF HOOK2 + * IRL4=Ringing Detection + * IRL5=CODEC + * IRL6=Ethernet + * IRL7=Ethernet Hub + * IRL8=USB Communication + * IRL9=USB Connection + * IRL10=USB DMA + * IRL11=CF Card + * IRL12=PCMCIA + * IRL13=PCI Slot + */ + ctrl_outw(0x9876, IRLCNTR1); + ctrl_outw(0xdcba, IRLCNTR2); + ctrl_outw(0x0050, IRLCNTR4); + ctrl_outw(0x4321, IRLCNTR5); + + for (i=0; i<14; i++) + make_hs7751rvoip_irq(i); +} diff --git a/arch/sh/boards/renesas/hs7751rvoip/led.c b/arch/sh/boards/renesas/hs7751rvoip/led.c new file mode 100644 index 0000000..18a13c8 --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/led.c @@ -0,0 +1,27 @@ +/* + * linux/arch/sh/kernel/setup_hs7751rvoip.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Renesas Technology Sales HS7751RVoIP Support. + * + * Modified for HS7751RVoIP by + * Atom Create Engineering Co., Ltd. 2002. + * Lineo uSolutions, Inc. 2003. + */ + +#include <linux/config.h> +#include <asm/io.h> +#include <asm/hs7751rvoip/hs7751rvoip.h> + +extern unsigned int debug_counter; + +void debug_led_disp(void) +{ + unsigned short value; + + value = (unsigned char)debug_counter++; + ctrl_outb((0xf0|value), PA_OUTPORTR); + if (value == 0x0f) + debug_counter = 0; +} diff --git a/arch/sh/boards/renesas/hs7751rvoip/mach.c b/arch/sh/boards/renesas/hs7751rvoip/mach.c new file mode 100644 index 0000000..8bbed60 --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/mach.c @@ -0,0 +1,55 @@ +/* + * linux/arch/sh/kernel/mach_hs7751rvoip.c + * + * Minor tweak of mach_se.c file to reference hs7751rvoip-specific items. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the Renesas Technology sales HS7751RVoIP + */ + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/irq.h> +#include <asm/hs7751rvoip/io.h> + +extern void init_hs7751rvoip_IRQ(void); +extern void *hs7751rvoip_ioremap(unsigned long, unsigned long); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_hs7751rvoip __initmv = { + .mv_nr_irqs = 72, + + .mv_inb = hs7751rvoip_inb, + .mv_inw = hs7751rvoip_inw, + .mv_inl = hs7751rvoip_inl, + .mv_outb = hs7751rvoip_outb, + .mv_outw = hs7751rvoip_outw, + .mv_outl = hs7751rvoip_outl, + + .mv_inb_p = hs7751rvoip_inb_p, + .mv_inw_p = hs7751rvoip_inw, + .mv_inl_p = hs7751rvoip_inl, + .mv_outb_p = hs7751rvoip_outb_p, + .mv_outw_p = hs7751rvoip_outw, + .mv_outl_p = hs7751rvoip_outl, + + .mv_insb = hs7751rvoip_insb, + .mv_insw = hs7751rvoip_insw, + .mv_insl = hs7751rvoip_insl, + .mv_outsb = hs7751rvoip_outsb, + .mv_outsw = hs7751rvoip_outsw, + .mv_outsl = hs7751rvoip_outsl, + + .mv_ioremap = hs7751rvoip_ioremap, + .mv_isa_port2addr = hs7751rvoip_isa_port2addr, + .mv_init_irq = init_hs7751rvoip_IRQ, +}; +ALIAS_MV(hs7751rvoip) diff --git a/arch/sh/boards/renesas/hs7751rvoip/pci.c b/arch/sh/boards/renesas/hs7751rvoip/pci.c new file mode 100644 index 0000000..7a442d1 --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/pci.c @@ -0,0 +1,150 @@ +/* + * linux/arch/sh/kernel/pci-hs7751rvoip.c + * + * Author: Ian DaSilva (idasilva@mvista.com) + * + * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * PCI initialization for the Renesas SH7751R HS7751RVoIP board + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/module.h> + +#include <asm/io.h> +#include "../../../drivers/pci/pci-sh7751.h" +#include <asm/hs7751rvoip/hs7751rvoip.h> + +#define PCIMCR_MRSET_OFF 0xBFFFFFFF +#define PCIMCR_RFSH_OFF 0xFFFFFFFB + +/* + * Only long word accesses of the PCIC's internal local registers and the + * configuration registers from the CPU is supported. + */ +#define PCIC_WRITE(x,v) writel((v), PCI_REG(x)) +#define PCIC_READ(x) readl(PCI_REG(x)) + +/* + * Description: This function sets up and initializes the pcic, sets + * up the BARS, maps the DRAM into the address space etc, etc. + */ +int __init pcibios_init_platform(void) +{ + unsigned long bcr1, wcr1, wcr2, wcr3, mcr; + unsigned short bcr2, bcr3; + + /* + * Initialize the slave bus controller on the pcic. The values used + * here should not be hardcoded, but they should be taken from the bsc + * on the processor, to make this function as generic as possible. + * (i.e. Another sbc may usr different SDRAM timing settings -- in order + * for the pcic to work, its settings need to be exactly the same.) + */ + bcr1 = (*(volatile unsigned long *)(SH7751_BCR1)); + bcr2 = (*(volatile unsigned short *)(SH7751_BCR2)); + bcr3 = (*(volatile unsigned short *)(SH7751_BCR3)); + wcr1 = (*(volatile unsigned long *)(SH7751_WCR1)); + wcr2 = (*(volatile unsigned long *)(SH7751_WCR2)); + wcr3 = (*(volatile unsigned long *)(SH7751_WCR3)); + mcr = (*(volatile unsigned long *)(SH7751_MCR)); + + bcr1 = bcr1 | 0x00080000; /* Enable Bit 19, BREQEN */ + (*(volatile unsigned long *)(SH7751_BCR1)) = bcr1; + + bcr1 = bcr1 | 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */ + PCIC_WRITE(SH7751_PCIBCR1, bcr1); /* PCIC BCR1 */ + PCIC_WRITE(SH7751_PCIBCR2, bcr2); /* PCIC BCR2 */ + PCIC_WRITE(SH7751_PCIBCR3, bcr3); /* PCIC BCR3 */ + PCIC_WRITE(SH7751_PCIWCR1, wcr1); /* PCIC WCR1 */ + PCIC_WRITE(SH7751_PCIWCR2, wcr2); /* PCIC WCR2 */ + PCIC_WRITE(SH7751_PCIWCR3, wcr3); /* PCIC WCR3 */ + mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF; + PCIC_WRITE(SH7751_PCIMCR, mcr); /* PCIC MCR */ + + /* Enable all interrupts, so we know what to fix */ + PCIC_WRITE(SH7751_PCIINTM, 0x0000c3ff); + PCIC_WRITE(SH7751_PCIAINTM, 0x0000380f); + + /* Set up standard PCI config registers */ + PCIC_WRITE(SH7751_PCICONF1, 0xFB900047); /* Bus Master, Mem & I/O access */ + PCIC_WRITE(SH7751_PCICONF2, 0x00000000); /* PCI Class code & Revision ID */ + PCIC_WRITE(SH7751_PCICONF4, 0xab000001); /* PCI I/O address (local regs) */ + PCIC_WRITE(SH7751_PCICONF5, 0x0c000000); /* PCI MEM address (local RAM) */ + PCIC_WRITE(SH7751_PCICONF6, 0xd0000000); /* PCI MEM address (unused) */ + PCIC_WRITE(SH7751_PCICONF11, 0x35051054); /* PCI Subsystem ID & Vendor ID */ + PCIC_WRITE(SH7751_PCILSR0, 0x03f00000); /* MEM (full 64M exposed) */ + PCIC_WRITE(SH7751_PCILSR1, 0x00000000); /* MEM (unused) */ + PCIC_WRITE(SH7751_PCILAR0, 0x0c000000); /* MEM (direct map from PCI) */ + PCIC_WRITE(SH7751_PCILAR1, 0x00000000); /* MEM (unused) */ + + /* Now turn it on... */ + PCIC_WRITE(SH7751_PCICR, 0xa5000001); + + /* + * Set PCIMBR and PCIIOBR here, assuming a single window + * (16M MEM, 256K IO) is enough. If a larger space is + * needed, the readx/writex and inx/outx functions will + * have to do more (e.g. setting registers for each call). + */ + + /* + * Set the MBR so PCI address is one-to-one with window, + * meaning all calls go straight through... use ifdef to + * catch erroneous assumption. + */ + BUG_ON(PCIBIOS_MIN_MEM != SH7751_PCI_MEMORY_BASE); + + PCIC_WRITE(SH7751_PCIMBR, PCIBIOS_MIN_MEM); + + /* Set IOBR for window containing area specified in pci.h */ + PCIC_WRITE(SH7751_PCIIOBR, (PCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK)); + + /* All done, may as well say so... */ + printk("SH7751R PCI: Finished initialization of the PCI controller\n"); + + return 1; +} + +int __init pcibios_map_platform_irq(u8 slot, u8 pin) +{ + switch (slot) { + case 0: return IRQ_PCISLOT; /* PCI Extend slot */ + case 1: return IRQ_PCMCIA; /* PCI Cardbus Bridge */ + case 2: return IRQ_PCIETH; /* Realtek Ethernet controller */ + case 3: return IRQ_PCIHUB; /* Realtek Ethernet Hub controller */ + default: + printk("PCI: Bad IRQ mapping request for slot %d\n", slot); + return -1; + } +} + +static struct resource sh7751_io_resource = { + .name = "SH7751_IO", + .start = 0x4000, + .end = 0x4000 + SH7751_PCI_IO_SIZE - 1, + .flags = IORESOURCE_IO +}; + +static struct resource sh7751_mem_resource = { + .name = "SH7751_mem", + .start = SH7751_PCI_MEMORY_BASE, + .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM +}; + +extern struct pci_ops sh7751_pci_ops; + +struct pci_channel board_pci_channels[] = { + { &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff }, + { NULL, NULL, NULL, 0, 0 }, +}; +EXPORT_SYMBOL(board_pci_channels); diff --git a/arch/sh/boards/renesas/hs7751rvoip/setup.c b/arch/sh/boards/renesas/hs7751rvoip/setup.c new file mode 100644 index 0000000..f1a78b6 --- /dev/null +++ b/arch/sh/boards/renesas/hs7751rvoip/setup.c @@ -0,0 +1,89 @@ +/* + * linux/arch/sh/kernel/setup_hs7751rvoip.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Renesas Technology Sales HS7751RVoIP Support. + * + * Modified for HS7751RVoIP by + * Atom Create Engineering Co., Ltd. 2002. + * Lineo uSolutions, Inc. 2003. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <asm/io.h> +#include <asm/hs7751rvoip/hs7751rvoip.h> + +#include <linux/mm.h> +#include <linux/vmalloc.h> + +/* defined in mm/ioremap.c */ +extern void * p3_ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags); + +unsigned int debug_counter; + +const char *get_system_type(void) +{ + return "HS7751RVoIP"; +} + +/* + * Initialize the board + */ +void __init platform_setup(void) +{ + printk(KERN_INFO "Renesas Technology Sales HS7751RVoIP-2 support.\n"); + ctrl_outb(0xf0, PA_OUTPORTR); + debug_counter = 0; +} + +void *area5_io8_base; +void *area6_io8_base; +void *area5_io16_base; +void *area6_io16_base; + +int __init cf_init(void) +{ + pgprot_t prot; + unsigned long paddrbase, psize; + + /* open I/O area window */ + paddrbase = virt_to_phys((void *)(PA_AREA5_IO+0x00000800)); + psize = PAGE_SIZE; + prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_COM16); + area5_io16_base = p3_ioremap(paddrbase, psize, prot.pgprot); + if (!area5_io16_base) { + printk("allocate_cf_area : can't open CF I/O window!\n"); + return -ENOMEM; + } + + /* XXX : do we need attribute and common-memory area also? */ + + paddrbase = virt_to_phys((void *)PA_AREA6_IO); + psize = PAGE_SIZE; +#if defined(CONFIG_HS7751RVOIP_CODEC) + prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_COM8); +#else + prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO8); +#endif + area6_io8_base = p3_ioremap(paddrbase, psize, prot.pgprot); + if (!area6_io8_base) { + printk("allocate_cf_area : can't open CODEC I/O 8bit window!\n"); + return -ENOMEM; + } + prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16); + area6_io16_base = p3_ioremap(paddrbase, psize, prot.pgprot); + if (!area6_io16_base) { + printk("allocate_cf_area : can't open CODEC I/O 16bit window!\n"); + return -ENOMEM; + } + + return 0; +} + +__initcall (cf_init); diff --git a/arch/sh/boards/renesas/rts7751r2d/Makefile b/arch/sh/boards/renesas/rts7751r2d/Makefile new file mode 100644 index 0000000..daa5333 --- /dev/null +++ b/arch/sh/boards/renesas/rts7751r2d/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for the RTS7751R2D specific parts of the kernel +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# + +obj-y := mach.o setup.o io.o irq.o led.o + diff --git a/arch/sh/boards/renesas/rts7751r2d/io.c b/arch/sh/boards/renesas/rts7751r2d/io.c new file mode 100644 index 0000000..c46f915 --- /dev/null +++ b/arch/sh/boards/renesas/rts7751r2d/io.c @@ -0,0 +1,319 @@ +/* + * linux/arch/sh/kernel/io_rts7751r2d.c + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routine for Renesas Technology sales RTS7751R2D. + * + * Initial version only to support LAN access; some + * placeholder code from io_rts7751r2d.c left in with the + * expectation of later SuperIO and PCMCIA access. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/rts7751r2d/rts7751r2d.h> +#include <asm/addrspace.h> + +#include <linux/module.h> +#include <linux/pci.h> +#include "../../../drivers/pci/pci-sh7751.h" + +/* + * The 7751R RTS7751R2D uses the built-in PCI controller (PCIC) + * of the 7751R processor, and has a SuperIO accessible via the PCI. + * The board also includes a PCMCIA controller on its memory bus, + * like the other Solution Engine boards. + */ + +#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) +#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) +#define PCI_IO_AREA SH7751_PCI_IO_BASE +#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE + +#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +static inline void delay(void) +{ + ctrl_inw(0xa0000000); +} + +static inline unsigned long port2adr(unsigned int port) +{ + if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) + if (port == 0x3f6) + return (PA_AREA5_IO + 0x80c); + else + return (PA_AREA5_IO + 0x1000 + ((port-0x1f0) << 1)); + else + maybebadio(port2adr, (unsigned long)port); + + return port; +} + +static inline unsigned long port88796l(unsigned int port, int flag) +{ + unsigned long addr; + + if (flag) + addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1); + else + addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1) + 0x1000; + + return addr; +} + +/* The 7751R RTS7751R2D seems to have everything hooked */ +/* up pretty normally (nothing on high-bytes only...) so this */ +/* shouldn't be needed */ +static inline int shifted_port(unsigned long port) +{ + /* For IDE registers, value is not shifted */ + if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) + return 0; + else + return 1; +} + +/* In case someone configures the kernel w/o PCI support: in that */ +/* scenario, don't ever bother to check for PCI-window addresses */ + +/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ +#if defined(CONFIG_PCI) +#define CHECK_SH7751_PCIIO(port) \ + ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) +#else +#define CHECK_SH7751_PCIIO(port) (0) +#endif + +#if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE) +#define CHECK_AX88796L_PORT(port) \ + ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20))) +#else +#define CHECK_AX88796L_PORT(port) (0) +#endif + +/* + * General outline: remap really low stuff [eventually] to SuperIO, + * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) + * is mapped through the PCI IO window. Stuff with high bits (PXSEG) + * should be way beyond the window, and is used w/o translation for + * compatibility. + */ +unsigned char rts7751r2d_inb(unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + return (*(volatile unsigned short *)port88796l(port, 0)) & 0xff; + else if (PXSEG(port)) + return *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + return *(volatile unsigned char *)PCI_IOMAP(port); + else + return (*(volatile unsigned short *)port2adr(port) & 0xff); +} + +unsigned char rts7751r2d_inb_p(unsigned long port) +{ + unsigned char v; + + if (CHECK_AX88796L_PORT(port)) + v = (*(volatile unsigned short *)port88796l(port, 0)) & 0xff; + else if (PXSEG(port)) + v = *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + v = *(volatile unsigned char *)PCI_IOMAP(port); + else + v = (*(volatile unsigned short *)port2adr(port) & 0xff); + delay(); + + return v; +} + +unsigned short rts7751r2d_inw(unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + maybebadio(inw, port); + else if (PXSEG(port)) + return *(volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + return *(volatile unsigned short *)PCI_IOMAP(port); + else + maybebadio(inw, port); + + return 0; +} + +unsigned int rts7751r2d_inl(unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + maybebadio(inl, port); + else if (PXSEG(port)) + return *(volatile unsigned long *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + return *(volatile unsigned long *)PCI_IOMAP(port); + else + maybebadio(inl, port); + + return 0; +} + +void rts7751r2d_outb(unsigned char value, unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + *((volatile unsigned short *)port88796l(port, 0)) = value; + else if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(volatile unsigned char *)PCI_IOMAP(port) = value; + else + *(volatile unsigned short *)port2adr(port) = value; +} + +void rts7751r2d_outb_p(unsigned char value, unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + *((volatile unsigned short *)port88796l(port, 0)) = value; + else if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(volatile unsigned char *)PCI_IOMAP(port) = value; + else + *(volatile unsigned short *)port2adr(port) = value; + delay(); +} + +void rts7751r2d_outw(unsigned short value, unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + maybebadio(outw, port); + else if (PXSEG(port)) + *(volatile unsigned short *)port = value; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(volatile unsigned short *)PCI_IOMAP(port) = value; + else + maybebadio(outw, port); +} + +void rts7751r2d_outl(unsigned int value, unsigned long port) +{ + if (CHECK_AX88796L_PORT(port)) + maybebadio(outl, port); + else if (PXSEG(port)) + *(volatile unsigned long *)port = value; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + *(volatile unsigned long *)PCI_IOMAP(port) = value; + else + maybebadio(outl, port); +} + +void rts7751r2d_insb(unsigned long port, void *addr, unsigned long count) +{ + volatile __u8 *bp; + volatile __u16 *p; + + if (CHECK_AX88796L_PORT(port)) { + p = (volatile unsigned short *)port88796l(port, 0); + while (count--) *((unsigned char *) addr)++ = *p & 0xff; + } else if (PXSEG(port)) + while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + bp = (__u8 *)PCI_IOMAP(port); + while (count--) *((volatile unsigned char *) addr)++ = *bp; + } else { + p = (volatile unsigned short *)port2adr(port); + while (count--) *((unsigned char *) addr)++ = *p & 0xff; + } +} + +void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count) +{ + volatile __u16 *p; + + if (CHECK_AX88796L_PORT(port)) + p = (volatile unsigned short *)port88796l(port, 1); + else if (PXSEG(port)) + p = (volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + p = (volatile unsigned short *)PCI_IOMAP(port); + else + p = (volatile unsigned short *)port2adr(port); + while (count--) *((__u16 *) addr)++ = *p; +} + +void rts7751r2d_insl(unsigned long port, void *addr, unsigned long count) +{ + if (CHECK_AX88796L_PORT(port)) + maybebadio(insl, port); + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + + while (count--) *((__u32 *) addr)++ = *p; + } else + maybebadio(insl, port); +} + +void rts7751r2d_outsb(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u8 *bp; + volatile __u16 *p; + + if (CHECK_AX88796L_PORT(port)) { + p = (volatile unsigned short *)port88796l(port, 0); + while (count--) *p = *((unsigned char *) addr)++; + } else if (PXSEG(port)) + while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + bp = (__u8 *)PCI_IOMAP(port); + while (count--) *bp = *((volatile unsigned char *) addr)++; + } else { + p = (volatile unsigned short *)port2adr(port); + while (count--) *p = *((unsigned char *) addr)++; + } +} + +void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u16 *p; + + if (CHECK_AX88796L_PORT(port)) + p = (volatile unsigned short *)port88796l(port, 1); + else if (PXSEG(port)) + p = (volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) + p = (volatile unsigned short *)PCI_IOMAP(port); + else + p = (volatile unsigned short *)port2adr(port); + while (count--) *p = *((__u16 *) addr)++; +} + +void rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count) +{ + if (CHECK_AX88796L_PORT(port)) + maybebadio(outsl, port); + else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { + volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + + while (count--) *p = *((__u32 *) addr)++; + } else + maybebadio(outsl, port); +} + +void *rts7751r2d_ioremap(unsigned long offset, unsigned long size) +{ + if (offset >= 0xfd000000) + return (void *)offset; + else + return (void *)P2SEGADDR(offset); +} +EXPORT_SYMBOL(rts7751r2d_ioremap); + +unsigned long rts7751r2d_isa_port2addr(unsigned long offset) +{ + return port2adr(offset); +} diff --git a/arch/sh/boards/renesas/rts7751r2d/irq.c b/arch/sh/boards/renesas/rts7751r2d/irq.c new file mode 100644 index 0000000..95717f4 --- /dev/null +++ b/arch/sh/boards/renesas/rts7751r2d/irq.c @@ -0,0 +1,135 @@ +/* + * linux/arch/sh/boards/renesas/rts7751r2d/irq.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Renesas Technology Sales RTS7751R2D Support. + * + * Modified for RTS7751R2D by + * Atom Create Engineering Co., Ltd. 2002. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/rts7751r2d/rts7751r2d.h> + +#if defined(CONFIG_RTS7751R2D_REV11) +static int mask_pos[] = {11, 9, 8, 12, 10, 6, 5, 4, 7, 14, 13, 0, 0, 0, 0}; +#else +static int mask_pos[] = {6, 11, 9, 8, 12, 10, 5, 4, 7, 14, 13, 0, 0, 0, 0}; +#endif + +extern int voyagergx_irq_demux(int irq); +extern void setup_voyagergx_irq(void); + +static void enable_rts7751r2d_irq(unsigned int irq); +static void disable_rts7751r2d_irq(unsigned int irq); + +/* shutdown is same as "disable" */ +#define shutdown_rts7751r2d_irq disable_rts7751r2d_irq + +static void ack_rts7751r2d_irq(unsigned int irq); +static void end_rts7751r2d_irq(unsigned int irq); + +static unsigned int startup_rts7751r2d_irq(unsigned int irq) +{ + enable_rts7751r2d_irq(irq); + return 0; /* never anything pending */ +} + +static void disable_rts7751r2d_irq(unsigned int irq) +{ + unsigned long flags; + unsigned short val; + unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]); + + /* Set the priority in IPR to 0 */ + local_irq_save(flags); + val = ctrl_inw(IRLCNTR1); + val &= mask; + ctrl_outw(val, IRLCNTR1); + local_irq_restore(flags); +} + +static void enable_rts7751r2d_irq(unsigned int irq) +{ + unsigned long flags; + unsigned short val; + unsigned short value = (0x0001 << mask_pos[irq]); + + /* Set priority in IPR back to original value */ + local_irq_save(flags); + val = ctrl_inw(IRLCNTR1); + val |= value; + ctrl_outw(val, IRLCNTR1); + local_irq_restore(flags); +} + +int rts7751r2d_irq_demux(int irq) +{ + int demux_irq; + + demux_irq = voyagergx_irq_demux(irq); + return demux_irq; +} + +static void ack_rts7751r2d_irq(unsigned int irq) +{ + disable_rts7751r2d_irq(irq); +} + +static void end_rts7751r2d_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_rts7751r2d_irq(irq); +} + +static struct hw_interrupt_type rts7751r2d_irq_type = { + "RTS7751R2D IRQ", + startup_rts7751r2d_irq, + shutdown_rts7751r2d_irq, + enable_rts7751r2d_irq, + disable_rts7751r2d_irq, + ack_rts7751r2d_irq, + end_rts7751r2d_irq, +}; + +static void make_rts7751r2d_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &rts7751r2d_irq_type; + disable_rts7751r2d_irq(irq); +} + +/* + * Initialize IRQ setting + */ +void __init init_rts7751r2d_IRQ(void) +{ + int i; + + /* IRL0=KEY Input + * IRL1=Ethernet + * IRL2=CF Card + * IRL3=CF Card Insert + * IRL4=PCMCIA + * IRL5=VOYAGER + * IRL6=RTC Alarm + * IRL7=RTC Timer + * IRL8=SD Card + * IRL9=PCI Slot #1 + * IRL10=PCI Slot #2 + * IRL11=Extention #0 + * IRL12=Extention #1 + * IRL13=Extention #2 + * IRL14=Extention #3 + */ + + for (i=0; i<15; i++) + make_rts7751r2d_irq(i); + + setup_voyagergx_irq(); +} diff --git a/arch/sh/boards/renesas/rts7751r2d/led.c b/arch/sh/boards/renesas/rts7751r2d/led.c new file mode 100644 index 0000000..9993259 --- /dev/null +++ b/arch/sh/boards/renesas/rts7751r2d/led.c @@ -0,0 +1,67 @@ +/* + * linux/arch/sh/kernel/led_rts7751r2d.c + * + * Copyright (C) Atom Create Engineering Co., Ltd. + * + * May be copied or modified under the terms of GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Renesas Technology Sales RTS7751R2D specific LED code. + */ + +#include <linux/config.h> +#include <asm/io.h> +#include <asm/rts7751r2d/rts7751r2d.h> + +extern unsigned int debug_counter; + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* Cycle the LED's in the clasic Knightriger/Sun pattern */ +void heartbeat_rts7751r2d(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned short *p = (volatile unsigned short *)PA_OUTPORT; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) + return; + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35, f(int)->110 + */ + period = 110 - ((300 << FSHIFT)/((avenrun[0]/5) + (3<<FSHIFT))); + + *p = 1 << bit; + if (up) + if (bit == 7) { + bit--; + up = 0; + } else + bit++; + else if (bit == 0) + up = 1; + else + bit--; +} +#endif /* CONFIG_HEARTBEAT */ + +void rts7751r2d_led(unsigned short value) +{ + ctrl_outw(value, PA_OUTPORT); +} + +void debug_led_disp(void) +{ + unsigned short value; + + value = (unsigned short)debug_counter++; + rts7751r2d_led(value); + if (value == 0xff) + debug_counter = 0; +} diff --git a/arch/sh/boards/renesas/rts7751r2d/mach.c b/arch/sh/boards/renesas/rts7751r2d/mach.c new file mode 100644 index 0000000..1efc18e --- /dev/null +++ b/arch/sh/boards/renesas/rts7751r2d/mach.c @@ -0,0 +1,70 @@ +/* + * linux/arch/sh/kernel/mach_rts7751r2d.c + * + * Minor tweak of mach_se.c file to reference rts7751r2d-specific items. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the Renesas Technology sales RTS7751R2D + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/types.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/irq.h> +#include <asm/rts7751r2d/io.h> + +extern void heartbeat_rts7751r2d(void); +extern void init_rts7751r2d_IRQ(void); +extern void *rts7751r2d_ioremap(unsigned long, unsigned long); +extern int rts7751r2d_irq_demux(int irq); + +extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, int); +extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_rts7751r2d __initmv = { + .mv_nr_irqs = 72, + + .mv_inb = rts7751r2d_inb, + .mv_inw = rts7751r2d_inw, + .mv_inl = rts7751r2d_inl, + .mv_outb = rts7751r2d_outb, + .mv_outw = rts7751r2d_outw, + .mv_outl = rts7751r2d_outl, + + .mv_inb_p = rts7751r2d_inb_p, + .mv_inw_p = rts7751r2d_inw, + .mv_inl_p = rts7751r2d_inl, + .mv_outb_p = rts7751r2d_outb_p, + .mv_outw_p = rts7751r2d_outw, + .mv_outl_p = rts7751r2d_outl, + + .mv_insb = rts7751r2d_insb, + .mv_insw = rts7751r2d_insw, + .mv_insl = rts7751r2d_insl, + .mv_outsb = rts7751r2d_outsb, + .mv_outsw = rts7751r2d_outsw, + .mv_outsl = rts7751r2d_outsl, + + .mv_ioremap = rts7751r2d_ioremap, + .mv_isa_port2addr = rts7751r2d_isa_port2addr, + .mv_init_irq = init_rts7751r2d_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_rts7751r2d, +#endif + .mv_irq_demux = rts7751r2d_irq_demux, + +#ifdef CONFIG_USB_OHCI_HCD + .mv_consistent_alloc = voyagergx_consistent_alloc, + .mv_consistent_free = voyagergx_consistent_free, +#endif +}; +ALIAS_MV(rts7751r2d) diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c new file mode 100644 index 0000000..2587fd1 --- /dev/null +++ b/arch/sh/boards/renesas/rts7751r2d/setup.c @@ -0,0 +1,31 @@ +/* + * linux/arch/sh/kernel/setup_rts7751r2d.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Renesas Technology Sales RTS7751R2D Support. + * + * Modified for RTS7751R2D by + * Atom Create Engineering Co., Ltd. 2002. + */ + +#include <linux/init.h> +#include <asm/io.h> +#include <asm/rts7751r2d/rts7751r2d.h> + +unsigned int debug_counter; + +const char *get_system_type(void) +{ + return "RTS7751R2D"; +} + +/* + * Initialize the board + */ +void __init platform_setup(void) +{ + printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n"); + ctrl_outw(0x0000, PA_OUTPORT); + debug_counter = 0; +} diff --git a/arch/sh/boards/renesas/systemh/Makefile b/arch/sh/boards/renesas/systemh/Makefile new file mode 100644 index 0000000..2cc6a23 --- /dev/null +++ b/arch/sh/boards/renesas/systemh/Makefile @@ -0,0 +1,13 @@ +# +# Makefile for the SystemH specific parts of the kernel +# + +obj-y := setup.o irq.o io.o + +# XXX: This wants to be consolidated in arch/sh/drivers/pci, and more +# importantly, with the generic sh7751_pcic_init() code. For now, we'll +# just abuse the hell out of kbuild, because we can.. + +obj-$(CONFIG_PCI) += pci.o +pci-y := ../../se/7751/pci.o + diff --git a/arch/sh/boards/renesas/systemh/io.c b/arch/sh/boards/renesas/systemh/io.c new file mode 100644 index 0000000..cf97901 --- /dev/null +++ b/arch/sh/boards/renesas/systemh/io.c @@ -0,0 +1,283 @@ +/* + * linux/arch/sh/boards/systemh/io.c + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routine for Hitachi 7751 Systemh. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/systemh/7751systemh.h> +#include <asm/addrspace.h> +#include <asm/io.h> + +#include <linux/pci.h> +#include "../../drivers/pci/pci-sh7751.h" + +/* + * The 7751 SystemH Engine uses the built-in PCI controller (PCIC) + * of the 7751 processor, and has a SuperIO accessible on its memory + * bus. + */ + +#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) +#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) +#define PCI_IO_AREA SH7751_PCI_IO_BASE +#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE + +#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) +#define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area + of smc lan chip*/ + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +static inline void delay(void) +{ + ctrl_inw(0xa0000000); +} + +static inline volatile __u16 * +port2adr(unsigned int port) +{ + if (port >= 0x2000) + return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); +#if 0 + else + return (volatile __u16 *) (PA_SUPERIO + (port << 1)); +#endif + maybebadio(name,(unsigned long)port); + return (volatile __u16*)port; +} + +/* In case someone configures the kernel w/o PCI support: in that */ +/* scenario, don't ever bother to check for PCI-window addresses */ + +/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ +#if defined(CONFIG_PCI) +#define CHECK_SH7751_PCIIO(port) \ + ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) +#else +#define CHECK_SH7751_PCIIO(port) (0) +#endif + +/* + * General outline: remap really low stuff [eventually] to SuperIO, + * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) + * is mapped through the PCI IO window. Stuff with high bits (PXSEG) + * should be way beyond the window, and is used w/o translation for + * compatibility. + */ +unsigned char sh7751systemh_inb(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned char *)PCI_IOMAP(port); + else if (port <= 0x3F1) + return *(volatile unsigned char *)ETHER_IOMAP(port); + else + return (*port2adr(port))&0xff; +} + +unsigned char sh7751systemh_inb_p(unsigned long port) +{ + unsigned char v; + + if (PXSEG(port)) + v = *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port)) + v = *(volatile unsigned char *)PCI_IOMAP(port); + else if (port <= 0x3F1) + v = *(volatile unsigned char *)ETHER_IOMAP(port); + else + v = (*port2adr(port))&0xff; + delay(); + return v; +} + +unsigned short sh7751systemh_inw(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned short *)PCI_IOMAP(port); + else if (port >= 0x2000) + return *port2adr(port); + else if (port <= 0x3F1) + return *(volatile unsigned int *)ETHER_IOMAP(port); + else + maybebadio(inw, port); + return 0; +} + +unsigned int sh7751systemh_inl(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned long *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned int *)PCI_IOMAP(port); + else if (port >= 0x2000) + return *port2adr(port); + else if (port <= 0x3F1) + return *(volatile unsigned int *)ETHER_IOMAP(port); + else + maybebadio(inl, port); + return 0; +} + +void sh7751systemh_outb(unsigned char value, unsigned long port) +{ + + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned char*)PCI_IOMAP(port)) = value; + else if (port <= 0x3F1) + *(volatile unsigned char *)ETHER_IOMAP(port) = value; + else + *(port2adr(port)) = value; +} + +void sh7751systemh_outb_p(unsigned char value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned char*)PCI_IOMAP(port)) = value; + else if (port <= 0x3F1) + *(volatile unsigned char *)ETHER_IOMAP(port) = value; + else + *(port2adr(port)) = value; + delay(); +} + +void sh7751systemh_outw(unsigned short value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned short *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned short *)PCI_IOMAP(port)) = value; + else if (port >= 0x2000) + *port2adr(port) = value; + else if (port <= 0x3F1) + *(volatile unsigned short *)ETHER_IOMAP(port) = value; + else + maybebadio(outw, port); +} + +void sh7751systemh_outl(unsigned int value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned long *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned long*)PCI_IOMAP(port)) = value; + else + maybebadio(outl, port); +} + +void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count) +{ + unsigned char *p = addr; + while (count--) *p++ = sh7751systemh_inb(port); +} + +void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count) +{ + unsigned short *p = addr; + while (count--) *p++ = sh7751systemh_inw(port); +} + +void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count) +{ + maybebadio(insl, port); +} + +void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count) +{ + unsigned char *p = (unsigned char*)addr; + while (count--) sh7751systemh_outb(*p++, port); +} + +void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long count) +{ + unsigned short *p = (unsigned short*)addr; + while (count--) sh7751systemh_outw(*p++, port); +} + +void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count) +{ + maybebadio(outsw, port); +} + +/* For read/write calls, just copy generic (pass-thru); PCIMBR is */ +/* already set up. For a larger memory space, these would need to */ +/* reset PCIMBR as needed on a per-call basis... */ + +unsigned char sh7751systemh_readb(unsigned long addr) +{ + return *(volatile unsigned char*)addr; +} + +unsigned short sh7751systemh_readw(unsigned long addr) +{ + return *(volatile unsigned short*)addr; +} + +unsigned int sh7751systemh_readl(unsigned long addr) +{ + return *(volatile unsigned long*)addr; +} + +void sh7751systemh_writeb(unsigned char b, unsigned long addr) +{ + *(volatile unsigned char*)addr = b; +} + +void sh7751systemh_writew(unsigned short b, unsigned long addr) +{ + *(volatile unsigned short*)addr = b; +} + +void sh7751systemh_writel(unsigned int b, unsigned long addr) +{ + *(volatile unsigned long*)addr = b; +} + + + +/* Map ISA bus address to the real address. Only for PCMCIA. */ + +/* ISA page descriptor. */ +static __u32 sh_isa_memmap[256]; + +#if 0 +static int +sh_isa_mmap(__u32 start, __u32 length, __u32 offset) +{ + int idx; + + if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000)) + return -1; + + idx = start >> 12; + sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff); + printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n", + start, length, offset, idx, sh_isa_memmap[idx]); + return 0; +} +#endif + +unsigned long +sh7751systemh_isa_port2addr(unsigned long offset) +{ + int idx; + + idx = (offset >> 12) & 0xff; + offset &= 0xfff; + return sh_isa_memmap[idx] + offset; +} diff --git a/arch/sh/boards/renesas/systemh/irq.c b/arch/sh/boards/renesas/systemh/irq.c new file mode 100644 index 0000000..5675a41 --- /dev/null +++ b/arch/sh/boards/renesas/systemh/irq.c @@ -0,0 +1,111 @@ +/* + * linux/arch/sh/boards/systemh/irq.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SystemH Support. + * + * Modified for 7751 SystemH by + * Jonathan Short. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <asm/io.h> +#include <asm/mach/7751systemh.h> +#include <asm/smc37c93x.h> + +/* address of external interrupt mask register + * address must be set prior to use these (maybe in init_XXX_irq()) + * XXX : is it better to use .config than specifying it in code? */ +static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004; +static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000; + +/* forward declaration */ +static unsigned int startup_systemh_irq(unsigned int irq); +static void shutdown_systemh_irq(unsigned int irq); +static void enable_systemh_irq(unsigned int irq); +static void disable_systemh_irq(unsigned int irq); +static void mask_and_ack_systemh(unsigned int); +static void end_systemh_irq(unsigned int irq); + +/* hw_interrupt_type */ +static struct hw_interrupt_type systemh_irq_type = { + " SystemH Register", + startup_systemh_irq, + shutdown_systemh_irq, + enable_systemh_irq, + disable_systemh_irq, + mask_and_ack_systemh, + end_systemh_irq +}; + +static unsigned int startup_systemh_irq(unsigned int irq) +{ + enable_systemh_irq(irq); + return 0; /* never anything pending */ +} + +static void shutdown_systemh_irq(unsigned int irq) +{ + disable_systemh_irq(irq); +} + +static void disable_systemh_irq(unsigned int irq) +{ + if (systemh_irq_mask_register) { + unsigned long flags; + unsigned long val, mask = 0x01 << 1; + + /* Clear the "irq"th bit in the mask and set it in the request */ + local_irq_save(flags); + + val = ctrl_inl((unsigned long)systemh_irq_mask_register); + val &= ~mask; + ctrl_outl(val, (unsigned long)systemh_irq_mask_register); + + val = ctrl_inl((unsigned long)systemh_irq_request_register); + val |= mask; + ctrl_outl(val, (unsigned long)systemh_irq_request_register); + + local_irq_restore(flags); + } +} + +static void enable_systemh_irq(unsigned int irq) +{ + if (systemh_irq_mask_register) { + unsigned long flags; + unsigned long val, mask = 0x01 << 1; + + /* Set "irq"th bit in the mask register */ + local_irq_save(flags); + val = ctrl_inl((unsigned long)systemh_irq_mask_register); + val |= mask; + ctrl_outl(val, (unsigned long)systemh_irq_mask_register); + local_irq_restore(flags); + } +} + +static void mask_and_ack_systemh(unsigned int irq) +{ + disable_systemh_irq(irq); +} + +static void end_systemh_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + enable_systemh_irq(irq); +} + +void make_systemh_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &systemh_irq_type; + disable_systemh_irq(irq); +} + diff --git a/arch/sh/boards/renesas/systemh/setup.c b/arch/sh/boards/renesas/systemh/setup.c new file mode 100644 index 0000000..826fa3d --- /dev/null +++ b/arch/sh/boards/renesas/systemh/setup.c @@ -0,0 +1,80 @@ +/* + * linux/arch/sh/boards/systemh/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * Copyright (C) 2003 Paul Mundt + * + * Hitachi SystemH Support. + * + * Modified for 7751 SystemH by Jonathan Short. + * + * Rewritten for 2.6 by Paul Mundt. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <asm/mach/7751systemh.h> +#include <asm/mach/io.h> +#include <asm/machvec.h> + +extern void make_systemh_irq(unsigned int irq); + +const char *get_system_type(void) +{ + return "7751 SystemH"; +} + +/* + * Initialize IRQ setting + */ +void __init init_7751systemh_IRQ(void) +{ +/* make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); LAN */ +/* make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-4); */ + make_systemh_irq(0xb); /* Ethernet interrupt */ +} + +struct sh_machine_vector mv_7751systemh __initmv = { + .mv_nr_irqs = 72, + + .mv_inb = sh7751systemh_inb, + .mv_inw = sh7751systemh_inw, + .mv_inl = sh7751systemh_inl, + .mv_outb = sh7751systemh_outb, + .mv_outw = sh7751systemh_outw, + .mv_outl = sh7751systemh_outl, + + .mv_inb_p = sh7751systemh_inb_p, + .mv_inw_p = sh7751systemh_inw, + .mv_inl_p = sh7751systemh_inl, + .mv_outb_p = sh7751systemh_outb_p, + .mv_outw_p = sh7751systemh_outw, + .mv_outl_p = sh7751systemh_outl, + + .mv_insb = sh7751systemh_insb, + .mv_insw = sh7751systemh_insw, + .mv_insl = sh7751systemh_insl, + .mv_outsb = sh7751systemh_outsb, + .mv_outsw = sh7751systemh_outsw, + .mv_outsl = sh7751systemh_outsl, + + .mv_readb = sh7751systemh_readb, + .mv_readw = sh7751systemh_readw, + .mv_readl = sh7751systemh_readl, + .mv_writeb = sh7751systemh_writeb, + .mv_writew = sh7751systemh_writew, + .mv_writel = sh7751systemh_writel, + + .mv_isa_port2addr = sh7751systemh_isa_port2addr, + + .mv_init_irq = init_7751systemh_IRQ, +}; +ALIAS_MV(7751systemh) + +int __init platform_setup(void) +{ + return 0; +} + diff --git a/arch/sh/boards/saturn/Makefile b/arch/sh/boards/saturn/Makefile new file mode 100644 index 0000000..75a3042 --- /dev/null +++ b/arch/sh/boards/saturn/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the Sega Saturn specific parts of the kernel +# + +obj-y := setup.o io.o irq.o + +obj-$(CONFIG_SMP) += smp.o + diff --git a/arch/sh/boards/saturn/io.c b/arch/sh/boards/saturn/io.c new file mode 100644 index 0000000..c6e4f7f --- /dev/null +++ b/arch/sh/boards/saturn/io.c @@ -0,0 +1,26 @@ +/* + * arch/sh/boards/saturn/io.c + * + * I/O routines for the Sega Saturn. + * + * Copyright (C) 2002 Paul Mundt + * + * Released under the terms of the GNU GPL v2.0. + */ +#include <asm/saturn/io.h> +#include <asm/machvec.h> + +unsigned long saturn_isa_port2addr(unsigned long offset) +{ + return offset; +} + +void *saturn_ioremap(unsigned long offset, unsigned long size) +{ + return (void *)offset; +} + +void saturn_iounmap(void *addr) +{ +} + diff --git a/arch/sh/boards/saturn/irq.c b/arch/sh/boards/saturn/irq.c new file mode 100644 index 0000000..15d1d3f --- /dev/null +++ b/arch/sh/boards/saturn/irq.c @@ -0,0 +1,118 @@ +/* + * arch/sh/boards/saturn/irq.c + * + * Copyright (C) 2002 Paul Mundt + * + * Released under the terms of the GNU GPL v2.0. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <asm/irq.h> +#include <asm/io.h> + +/* + * Interrupts map out as follows: + * + * Vector Name Mask + * + * 64 VBLANKIN 0x0001 + * 65 VBLANKOUT 0x0002 + * 66 HBLANKIN 0x0004 + * 67 TIMER0 0x0008 + * 68 TIMER1 0x0010 + * 69 DSPEND 0x0020 + * 70 SOUNDREQUEST 0x0040 + * 71 SYSTEMMANAGER 0x0080 + * 72 PAD 0x0100 + * 73 LEVEL2DMAEND 0x0200 + * 74 LEVEL1DMAEND 0x0400 + * 75 LEVEL0DMAEND 0x0800 + * 76 DMAILLEGAL 0x1000 + * 77 SRITEDRAWEND 0x2000 + * 78 ABUS 0x8000 + * + */ +#define SATURN_IRQ_MIN 64 /* VBLANKIN */ +#define SATURN_IRQ_MAX 78 /* ABUS */ + +#define SATURN_IRQ_MASK 0xbfff + +static inline u32 saturn_irq_mask(unsigned int irq_nr) +{ + u32 mask; + + mask = (1 << (irq_nr - SATURN_IRQ_MIN)); + mask <<= (irq_nr == SATURN_IRQ_MAX); + mask &= SATURN_IRQ_MASK; + + return mask; +} + +static inline void mask_saturn_irq(unsigned int irq_nr) +{ + u32 mask; + + mask = ctrl_inl(SATURN_IMR); + mask |= saturn_irq_mask(irq_nr); + ctrl_outl(mask, SATURN_IMR); +} + +static inline void unmask_saturn_irq(unsigned int irq_nr) +{ + u32 mask; + + mask = ctrl_inl(SATURN_IMR); + mask &= ~saturn_irq_mask(irq_nr); + ctrl_outl(mask, SATURN_IMR); +} + +static void disable_saturn_irq(unsigned int irq_nr) +{ + mask_saturn_irq(irq_nr); +} + +static void enable_saturn_irq(unsigned int irq_nr) +{ + unmask_saturn_irq(irq_nr); +} + +static void mask_and_ack_saturn_irq(unsigned int irq_nr) +{ + mask_saturn_irq(irq_nr); +} + +static void end_saturn_irq(unsigned int irq_nr) +{ + if (!(irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + unmask_saturn_irq(irq_nr); +} + +static unsigned int startup_saturn_irq(unsigned int irq_nr) +{ + unmask_saturn_irq(irq_nr); + + return 0; +} + +static void shutdown_saturn_irq(unsigned int irq_nr) +{ + mask_saturn_irq(irq_nr); +} + +static struct hw_interrupt_type saturn_int = { + .typename = "Saturn", + .enable = enable_saturn_irq, + .disable = disable_saturn_irq, + .ack = mask_and_ack_saturn_irq, + .end = end_saturn_irq, + .startup = startup_saturn_irq, + .shutdown = shutdown_saturn_irq, +}; + +int saturn_irq_demux(int irq_nr) +{ + /* FIXME */ + return irq_nr; +} + diff --git a/arch/sh/boards/saturn/setup.c b/arch/sh/boards/saturn/setup.c new file mode 100644 index 0000000..bea6c572 --- /dev/null +++ b/arch/sh/boards/saturn/setup.c @@ -0,0 +1,43 @@ +/* + * arch/sh/boards/saturn/setup.c + * + * Hardware support for the Sega Saturn. + * + * Copyright (c) 2002 Paul Mundt + * + * Released under the terms of the GNU GPL v2.0. + */ +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/io.h> +#include <asm/machvec.h> +#include <asm/mach/io.h> + +extern int saturn_irq_demux(int irq_nr); + +const char *get_system_type(void) +{ + return "Sega Saturn"; +} + +/* + * The Machine Vector + */ +struct sh_machine_vector mv_saturn __initmv = { + .mv_nr_irqs = 80, /* Fix this later */ + + .mv_isa_port2addr = saturn_isa_port2addr, + .mv_irq_demux = saturn_irq_demux, + + .mv_ioremap = saturn_ioremap, + .mv_iounmap = saturn_iounmap, +}; + +ALIAS_MV(saturn) + +int __init platform_setup(void) +{ + return 0; +} + diff --git a/arch/sh/boards/saturn/smp.c b/arch/sh/boards/saturn/smp.c new file mode 100644 index 0000000..7646091 --- /dev/null +++ b/arch/sh/boards/saturn/smp.c @@ -0,0 +1,68 @@ +/* + * arch/sh/boards/saturn/smp.c + * + * SMP support for the Sega Saturn. + * + * Copyright (c) 2002 Paul Mundt + * + * Released under the terms of the GNU GPL v2.0. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> + +#include <asm/saturn/smpc.h> + +extern void start_secondary(void); + +void __smp_send_ipi(unsigned int cpu, unsigned int action) +{ + /* Nothing here yet .. */ +} + +unsigned int __smp_probe_cpus(void) +{ + /* + * This is just a straightforward master/slave configuration, + * and probing isn't really supported.. + */ + return 2; +} + +/* + * We're only allowed to do byte-access to SMPC registers. In + * addition to which, we treat them as write-only, since + * reading from them will return undefined data. + */ +static inline void smpc_slave_stop(unsigned int cpu) +{ + smpc_barrier(); + ctrl_outb(1, SMPC_STATUS); + + ctrl_outb(SMPC_CMD_SSHOFF, SMPC_COMMAND); + smpc_barrier(); +} + +static inline void smpc_slave_start(unsigned int cpu) +{ + ctrl_outb(1, SMPC_STATUS); + ctrl_outb(SMPC_CMD_SSHON, SMPC_COMMAND); + + smpc_barrier(); +} + +void __smp_slave_init(unsigned int cpu) +{ + register unsigned long vbr; + void **entry; + + __asm__ __volatile__ ("stc vbr, %0\n\t" : "=r" (vbr)); + entry = (void **)(vbr + 0x310 + 0x94); + + smpc_slave_stop(cpu); + + *(void **)entry = (void *)start_secondary; + + smpc_slave_start(cpu); +} + diff --git a/arch/sh/boards/se/7300/Makefile b/arch/sh/boards/se/7300/Makefile new file mode 100644 index 0000000..0fbd4f4 --- /dev/null +++ b/arch/sh/boards/se/7300/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the 7300 SolutionEngine specific parts of the kernel +# + +obj-y := setup.o io.o irq.o + +obj-$(CONFIG_HEARTBEAT) += led.o diff --git a/arch/sh/boards/se/7300/io.c b/arch/sh/boards/se/7300/io.c new file mode 100644 index 0000000..3c89def --- /dev/null +++ b/arch/sh/boards/se/7300/io.c @@ -0,0 +1,265 @@ +/* + * arch/sh/boards/se/7300/io.c + * + * Copyright (C) 2003 YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * Based on arch/sh/kernel/io_shmse.c + * + * I/O routine for SH-Mobile3 73180 SolutionEngine. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <asm/mach/se7300.h> +#include <asm/io.h> + +#define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a) + +struct iop { + unsigned long start, end; + unsigned long base; + struct iop *(*check) (struct iop * p, unsigned long port); + unsigned char (*inb) (struct iop * p, unsigned long port); + unsigned short (*inw) (struct iop * p, unsigned long port); + void (*outb) (struct iop * p, unsigned char value, unsigned long port); + void (*outw) (struct iop * p, unsigned short value, unsigned long port); +}; + +struct iop * +simple_check(struct iop *p, unsigned long port) +{ + if ((p->start <= port) && (port <= p->end)) + return p; + else + badio(check, port); +} + +struct iop * +ide_check(struct iop *p, unsigned long port) +{ + if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7)) + return p; + return NULL; +} + +unsigned char +simple_inb(struct iop *p, unsigned long port) +{ + return *(unsigned char *) (p->base + port); +} + +unsigned short +simple_inw(struct iop *p, unsigned long port) +{ + return *(unsigned short *) (p->base + port); +} + +void +simple_outb(struct iop *p, unsigned char value, unsigned long port) +{ + *(unsigned char *) (p->base + port) = value; +} + +void +simple_outw(struct iop *p, unsigned short value, unsigned long port) +{ + *(unsigned short *) (p->base + port) = value; +} + +unsigned char +pcc_inb(struct iop *p, unsigned long port) +{ + unsigned long addr = p->base + port + 0x40000; + unsigned long v; + + if (port & 1) + addr += 0x00400000; + v = *(volatile unsigned char *) addr; + return v; +} + +void +pcc_outb(struct iop *p, unsigned char value, unsigned long port) +{ + unsigned long addr = p->base + port + 0x40000; + + if (port & 1) + addr += 0x00400000; + *(volatile unsigned char *) addr = value; +} + +unsigned char +bad_inb(struct iop *p, unsigned long port) +{ + badio(inb, port); +} + +void +bad_outb(struct iop *p, unsigned char value, unsigned long port) +{ + badio(inw, port); +} + +/* MSTLANEX01 LAN at 0xb400:0000 */ +static struct iop laniop = { + .start = 0x300, + .end = 0x30f, + .base = 0xb4000000, + .check = simple_check, + .inb = simple_inb, + .inw = simple_inw, + .outb = simple_outb, + .outw = simple_outw, +}; + +/* NE2000 pc card NIC */ +static struct iop neiop = { + .start = 0x280, + .end = 0x29f, + .base = 0xb0600000 + 0x80, /* soft 0x280 -> hard 0x300 */ + .check = simple_check, + .inb = pcc_inb, + .inw = simple_inw, + .outb = pcc_outb, + .outw = simple_outw, +}; + +/* CF in CF slot */ +static struct iop cfiop = { + .base = 0xb0600000, + .check = ide_check, + .inb = pcc_inb, + .inw = simple_inw, + .outb = pcc_outb, + .outw = simple_outw, +}; + +static __inline__ struct iop * +port2iop(unsigned long port) +{ + if (0) ; +#if defined(CONFIG_SMC91111) + else if (laniop.check(&laniop, port)) + return &laniop; +#endif +#if defined(CONFIG_NE2000) + else if (neiop.check(&neiop, port)) + return &neiop; +#endif +#if defined(CONFIG_IDE) + else if (cfiop.check(&cfiop, port)) + return &cfiop; +#endif + else + return &neiop; /* fallback */ +} + +static inline void +delay(void) +{ + ctrl_inw(0xac000000); + ctrl_inw(0xac000000); +} + +unsigned char +sh7300se_inb(unsigned long port) +{ + struct iop *p = port2iop(port); + return (p->inb) (p, port); +} + +unsigned char +sh7300se_inb_p(unsigned long port) +{ + unsigned char v = sh7300se_inb(port); + delay(); + return v; +} + +unsigned short +sh7300se_inw(unsigned long port) +{ + struct iop *p = port2iop(port); + return (p->inw) (p, port); +} + +unsigned int +sh7300se_inl(unsigned long port) +{ + badio(inl, port); +} + +void +sh7300se_outb(unsigned char value, unsigned long port) +{ + struct iop *p = port2iop(port); + (p->outb) (p, value, port); +} + +void +sh7300se_outb_p(unsigned char value, unsigned long port) +{ + sh7300se_outb(value, port); + delay(); +} + +void +sh7300se_outw(unsigned short value, unsigned long port) +{ + struct iop *p = port2iop(port); + (p->outw) (p, value, port); +} + +void +sh7300se_outl(unsigned int value, unsigned long port) +{ + badio(outl, port); +} + +void +sh7300se_insb(unsigned long port, void *addr, unsigned long count) +{ + unsigned char *a = addr; + struct iop *p = port2iop(port); + while (count--) + *a++ = (p->inb) (p, port); +} + +void +sh7300se_insw(unsigned long port, void *addr, unsigned long count) +{ + unsigned short *a = addr; + struct iop *p = port2iop(port); + while (count--) + *a++ = (p->inw) (p, port); +} + +void +sh7300se_insl(unsigned long port, void *addr, unsigned long count) +{ + badio(insl, port); +} + +void +sh7300se_outsb(unsigned long port, const void *addr, unsigned long count) +{ + unsigned char *a = (unsigned char *) addr; + struct iop *p = port2iop(port); + while (count--) + (p->outb) (p, *a++, port); +} + +void +sh7300se_outsw(unsigned long port, const void *addr, unsigned long count) +{ + unsigned short *a = (unsigned short *) addr; + struct iop *p = port2iop(port); + while (count--) + (p->outw) (p, *a++, port); +} + +void +sh7300se_outsl(unsigned long port, const void *addr, unsigned long count) +{ + badio(outsw, port); +} diff --git a/arch/sh/boards/se/7300/irq.c b/arch/sh/boards/se/7300/irq.c new file mode 100644 index 0000000..96c8c23 --- /dev/null +++ b/arch/sh/boards/se/7300/irq.c @@ -0,0 +1,37 @@ +/* + * linux/arch/sh/boards/se/7300/irq.c + * + * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> + * + * SH-Mobile SolutionEngine 7300 Support. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <asm/mach/se7300.h> + +/* + * Initialize IRQ setting + */ +void __init +init_7300se_IRQ(void) +{ + ctrl_outw(0x0028, PA_EPLD_MODESET); /* mode set IRQ0,1 active low. */ + ctrl_outw(0xa000, INTC_ICR1); /* IRQ mode; IRQ0,1 enable. */ + ctrl_outw(0x0000, PORT_PFCR); /* use F for IRQ[3:0] and SIU. */ + + /* PC_IRQ[0-3] -> IRQ0 (32) */ + make_ipr_irq(IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, 0x0f - IRQ0_IRQ); + /* A_IRQ[0-3] -> IRQ1 (33) */ + make_ipr_irq(IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, 0x0f - IRQ1_IRQ); + make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY); + make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + + ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */ +} diff --git a/arch/sh/boards/se/7300/led.c b/arch/sh/boards/se/7300/led.c new file mode 100644 index 0000000..02c7f84 --- /dev/null +++ b/arch/sh/boards/se/7300/led.c @@ -0,0 +1,69 @@ +/* + * linux/arch/sh/boards/se/7300/led.c + * + * Derived from linux/arch/sh/boards/se/770x/led.c + * + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Solution Engine specific LED code. + */ + +#include <linux/config.h> +#include <linux/sched.h> +#include <asm/mach/se7300.h> + +static void +mach_led(int position, int value) +{ + volatile unsigned short *p = (volatile unsigned short *) PA_LED; + + if (value) { + *p |= (1 << 8); + } else { + *p &= ~(1 << 8); + } +} + + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void +heartbeat_7300se(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned short *p = (volatile unsigned short *) PA_LED; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ((300 << FSHIFT) / ((avenrun[0] / 5) + (3 << FSHIFT))); + + if (up) { + if (bit == 7) { + bit--; + up = 0; + } else { + bit++; + } + } else { + if (bit == 0) { + bit++; + up = 1; + } else { + bit--; + } + } + *p = 1 << (bit + 8); + +} + diff --git a/arch/sh/boards/se/7300/setup.c b/arch/sh/boards/se/7300/setup.c new file mode 100644 index 0000000..08536bc --- /dev/null +++ b/arch/sh/boards/se/7300/setup.c @@ -0,0 +1,66 @@ +/* + * linux/arch/sh/boards/se/7300/setup.c + * + * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> + * + * SH-Mobile SolutionEngine 7300 Support. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> +#include <asm/mach/io.h> + +void heartbeat_7300se(void); +void init_7300se_IRQ(void); + +const char * +get_system_type(void) +{ + return "SolutionEngine 7300"; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_7300se __initmv = { + .mv_nr_irqs = 109, + .mv_inb = sh7300se_inb, + .mv_inw = sh7300se_inw, + .mv_inl = sh7300se_inl, + .mv_outb = sh7300se_outb, + .mv_outw = sh7300se_outw, + .mv_outl = sh7300se_outl, + + .mv_inb_p = sh7300se_inb_p, + .mv_inw_p = sh7300se_inw, + .mv_inl_p = sh7300se_inl, + .mv_outb_p = sh7300se_outb_p, + .mv_outw_p = sh7300se_outw, + .mv_outl_p = sh7300se_outl, + + .mv_insb = sh7300se_insb, + .mv_insw = sh7300se_insw, + .mv_insl = sh7300se_insl, + .mv_outsb = sh7300se_outsb, + .mv_outsw = sh7300se_outsw, + .mv_outsl = sh7300se_outsl, + + .mv_init_irq = init_7300se_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_7300se, +#endif +}; + +ALIAS_MV(7300se) +/* + * Initialize the board + */ +void __init +platform_setup(void) +{ + +} diff --git a/arch/sh/boards/se/73180/Makefile b/arch/sh/boards/se/73180/Makefile new file mode 100644 index 0000000..8f63886 --- /dev/null +++ b/arch/sh/boards/se/73180/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the 73180 SolutionEngine specific parts of the kernel +# + +obj-y := setup.o io.o irq.o + +obj-$(CONFIG_HEARTBEAT) += led.o diff --git a/arch/sh/boards/se/73180/io.c b/arch/sh/boards/se/73180/io.c new file mode 100644 index 0000000..73648cb --- /dev/null +++ b/arch/sh/boards/se/73180/io.c @@ -0,0 +1,265 @@ +/* + * arch/sh/boards/se/73180/io.c + * + * Copyright (C) 2003 YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * Based on arch/sh/boards/se/7300/io.c + * + * I/O routine for SH-Mobile3 73180 SolutionEngine. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <asm/mach/se73180.h> +#include <asm/io.h> + +#define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a) + +struct iop { + unsigned long start, end; + unsigned long base; + struct iop *(*check) (struct iop * p, unsigned long port); + unsigned char (*inb) (struct iop * p, unsigned long port); + unsigned short (*inw) (struct iop * p, unsigned long port); + void (*outb) (struct iop * p, unsigned char value, unsigned long port); + void (*outw) (struct iop * p, unsigned short value, unsigned long port); +}; + +struct iop * +simple_check(struct iop *p, unsigned long port) +{ + if ((p->start <= port) && (port <= p->end)) + return p; + else + badio(check, port); +} + +struct iop * +ide_check(struct iop *p, unsigned long port) +{ + if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7)) + return p; + return NULL; +} + +unsigned char +simple_inb(struct iop *p, unsigned long port) +{ + return *(unsigned char *) (p->base + port); +} + +unsigned short +simple_inw(struct iop *p, unsigned long port) +{ + return *(unsigned short *) (p->base + port); +} + +void +simple_outb(struct iop *p, unsigned char value, unsigned long port) +{ + *(unsigned char *) (p->base + port) = value; +} + +void +simple_outw(struct iop *p, unsigned short value, unsigned long port) +{ + *(unsigned short *) (p->base + port) = value; +} + +unsigned char +pcc_inb(struct iop *p, unsigned long port) +{ + unsigned long addr = p->base + port + 0x40000; + unsigned long v; + + if (port & 1) + addr += 0x00400000; + v = *(volatile unsigned char *) addr; + return v; +} + +void +pcc_outb(struct iop *p, unsigned char value, unsigned long port) +{ + unsigned long addr = p->base + port + 0x40000; + + if (port & 1) + addr += 0x00400000; + *(volatile unsigned char *) addr = value; +} + +unsigned char +bad_inb(struct iop *p, unsigned long port) +{ + badio(inb, port); +} + +void +bad_outb(struct iop *p, unsigned char value, unsigned long port) +{ + badio(inw, port); +} + +/* MSTLANEX01 LAN at 0xb400:0000 */ +static struct iop laniop = { + .start = 0x300, + .end = 0x30f, + .base = 0xb4000000, + .check = simple_check, + .inb = simple_inb, + .inw = simple_inw, + .outb = simple_outb, + .outw = simple_outw, +}; + +/* NE2000 pc card NIC */ +static struct iop neiop = { + .start = 0x280, + .end = 0x29f, + .base = 0xb0600000 + 0x80, /* soft 0x280 -> hard 0x300 */ + .check = simple_check, + .inb = pcc_inb, + .inw = simple_inw, + .outb = pcc_outb, + .outw = simple_outw, +}; + +/* CF in CF slot */ +static struct iop cfiop = { + .base = 0xb0600000, + .check = ide_check, + .inb = pcc_inb, + .inw = simple_inw, + .outb = pcc_outb, + .outw = simple_outw, +}; + +static __inline__ struct iop * +port2iop(unsigned long port) +{ + if (0) ; +#if defined(CONFIG_SMC91111) + else if (laniop.check(&laniop, port)) + return &laniop; +#endif +#if defined(CONFIG_NE2000) + else if (neiop.check(&neiop, port)) + return &neiop; +#endif +#if defined(CONFIG_IDE) + else if (cfiop.check(&cfiop, port)) + return &cfiop; +#endif + else + return &neiop; /* fallback */ +} + +static inline void +delay(void) +{ + ctrl_inw(0xac000000); + ctrl_inw(0xac000000); +} + +unsigned char +sh73180se_inb(unsigned long port) +{ + struct iop *p = port2iop(port); + return (p->inb) (p, port); +} + +unsigned char +sh73180se_inb_p(unsigned long port) +{ + unsigned char v = sh73180se_inb(port); + delay(); + return v; +} + +unsigned short +sh73180se_inw(unsigned long port) +{ + struct iop *p = port2iop(port); + return (p->inw) (p, port); +} + +unsigned int +sh73180se_inl(unsigned long port) +{ + badio(inl, port); +} + +void +sh73180se_outb(unsigned char value, unsigned long port) +{ + struct iop *p = port2iop(port); + (p->outb) (p, value, port); +} + +void +sh73180se_outb_p(unsigned char value, unsigned long port) +{ + sh73180se_outb(value, port); + delay(); +} + +void +sh73180se_outw(unsigned short value, unsigned long port) +{ + struct iop *p = port2iop(port); + (p->outw) (p, value, port); +} + +void +sh73180se_outl(unsigned int value, unsigned long port) +{ + badio(outl, port); +} + +void +sh73180se_insb(unsigned long port, void *addr, unsigned long count) +{ + unsigned char *a = addr; + struct iop *p = port2iop(port); + while (count--) + *a++ = (p->inb) (p, port); +} + +void +sh73180se_insw(unsigned long port, void *addr, unsigned long count) +{ + unsigned short *a = addr; + struct iop *p = port2iop(port); + while (count--) + *a++ = (p->inw) (p, port); +} + +void +sh73180se_insl(unsigned long port, void *addr, unsigned long count) +{ + badio(insl, port); +} + +void +sh73180se_outsb(unsigned long port, const void *addr, unsigned long count) +{ + unsigned char *a = (unsigned char *) addr; + struct iop *p = port2iop(port); + while (count--) + (p->outb) (p, *a++, port); +} + +void +sh73180se_outsw(unsigned long port, const void *addr, unsigned long count) +{ + unsigned short *a = (unsigned short *) addr; + struct iop *p = port2iop(port); + while (count--) + (p->outw) (p, *a++, port); +} + +void +sh73180se_outsl(unsigned long port, const void *addr, unsigned long count) +{ + badio(outsw, port); +} diff --git a/arch/sh/boards/se/73180/irq.c b/arch/sh/boards/se/73180/irq.c new file mode 100644 index 0000000..70f04ca --- /dev/null +++ b/arch/sh/boards/se/73180/irq.c @@ -0,0 +1,137 @@ +/* + * arch/sh/boards/se/73180/irq.c + * + * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> + * Based on arch/sh/boards/se/7300/irq.c + * + * Modified for SH-Mobile SolutionEngine 73180 Support + * by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <asm/mach/se73180.h> + +static int +intreq2irq(int i) +{ + if (i == 5) + return 10; + return 32 + 7 - i; +} + +static int +irq2intreq(int irq) +{ + if (irq == 10) + return 5; + return 7 - (irq - 32); +} + +static void +disable_intreq_irq(unsigned int irq) +{ + ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSK0); +} + +static void +enable_intreq_irq(unsigned int irq) +{ + ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSKCLR0); +} + +static void +mask_and_ack_intreq_irq(unsigned int irq) +{ + disable_intreq_irq(irq); +} + +static unsigned int +startup_intreq_irq(unsigned int irq) +{ + enable_intreq_irq(irq); + return 0; +} + +static void +shutdown_intreq_irq(unsigned int irq) +{ + disable_intreq_irq(irq); +} + +static void +end_intreq_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + enable_intreq_irq(irq); +} + +static struct hw_interrupt_type intreq_irq_type = { + .typename = "intreq", + .startup = startup_intreq_irq, + .shutdown = shutdown_intreq_irq, + .enable = enable_intreq_irq, + .disable = disable_intreq_irq, + .ack = mask_and_ack_intreq_irq, + .end = end_intreq_irq +}; + +void +make_intreq_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &intreq_irq_type; + disable_intreq_irq(irq); +} + +int +shmse_irq_demux(int irq) +{ + if (irq == IRQ5_IRQ) + return 10; + return irq; +} + +/* + * Initialize IRQ setting + */ +void __init +init_73180se_IRQ(void) +{ + make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY); + + ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */ + ctrl_outw(0x2000, 0xb07fffec); /* mrshpc irq enable */ + ctrl_outl(3 << ((7 - 5) * 4), INTC_INTPRI0); /* irq5 pri=3 */ + ctrl_outw(2 << ((7 - 5) * 2), INTC_ICR1); /* low-level irq */ + make_intreq_irq(10); + + make_ipr_irq(VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8); + + ctrl_outb(0x0f, INTC_IMCR5); /* enable SCIF IRQ */ + + make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY); + make_ipr_irq(IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY); + make_ipr_irq(IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, + IIC0_PRIORITY); + make_ipr_irq(IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, + IIC0_PRIORITY); + make_ipr_irq(IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY); + make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY); + make_ipr_irq(SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY); + + /* VIO interrupt */ + make_ipr_irq(CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + make_ipr_irq(BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + make_ipr_irq(VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + + make_ipr_irq(LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY); + ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */ +} diff --git a/arch/sh/boards/se/73180/led.c b/arch/sh/boards/se/73180/led.c new file mode 100644 index 0000000..1e8f1cf --- /dev/null +++ b/arch/sh/boards/se/73180/led.c @@ -0,0 +1,67 @@ +/* + * arch/sh/boards/se/73180/led.c + * + * Derived from arch/sh/boards/se/770x/led.c + * + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Solution Engine specific LED code. + */ + +#include <linux/config.h> +#include <linux/sched.h> +#include <asm/mach/se73180.h> + +static void +mach_led(int position, int value) +{ + volatile unsigned short *p = (volatile unsigned short *) PA_LED; + + if (value) { + *p |= (1 << LED_SHIFT); + } else { + *p &= ~(1 << LED_SHIFT); + } +} + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void +heartbeat_73180se(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned short *p = (volatile unsigned short *) PA_LED; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ((300 << FSHIFT) / ((avenrun[0] / 5) + (3 << FSHIFT))); + + if (up) { + if (bit == 7) { + bit--; + up = 0; + } else { + bit++; + } + } else { + if (bit == 0) { + bit++; + up = 1; + } else { + bit--; + } + } + *p = 1 << (bit + LED_SHIFT); + +} diff --git a/arch/sh/boards/se/73180/setup.c b/arch/sh/boards/se/73180/setup.c new file mode 100644 index 0000000..07fa90c --- /dev/null +++ b/arch/sh/boards/se/73180/setup.c @@ -0,0 +1,68 @@ +/* + * arch/sh/boards/se/73180/setup.c + * + * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> + * Based on arch/sh/setup_shmse.c + * + * Modified for 73180 SolutionEngine + * by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> +#include <asm/mach/io.h> + +void heartbeat_73180se(void); +void init_73180se_IRQ(void); + +const char * +get_system_type(void) +{ + return "SolutionEngine 73180"; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_73180se __initmv = { + .mv_nr_irqs = 108, + .mv_inb = sh73180se_inb, + .mv_inw = sh73180se_inw, + .mv_inl = sh73180se_inl, + .mv_outb = sh73180se_outb, + .mv_outw = sh73180se_outw, + .mv_outl = sh73180se_outl, + + .mv_inb_p = sh73180se_inb_p, + .mv_inw_p = sh73180se_inw, + .mv_inl_p = sh73180se_inl, + .mv_outb_p = sh73180se_outb_p, + .mv_outw_p = sh73180se_outw, + .mv_outl_p = sh73180se_outl, + + .mv_insb = sh73180se_insb, + .mv_insw = sh73180se_insw, + .mv_insl = sh73180se_insl, + .mv_outsb = sh73180se_outsb, + .mv_outsw = sh73180se_outsw, + .mv_outsl = sh73180se_outsl, + + .mv_init_irq = init_73180se_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_73180se, +#endif +}; + +ALIAS_MV(73180se) +/* + * Initialize the board + */ +void __init +platform_setup(void) +{ + +} diff --git a/arch/sh/boards/se/770x/Makefile b/arch/sh/boards/se/770x/Makefile new file mode 100644 index 0000000..be89a73 --- /dev/null +++ b/arch/sh/boards/se/770x/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the 770x SolutionEngine specific parts of the kernel +# + +obj-y := mach.o setup.o io.o irq.o led.o + diff --git a/arch/sh/boards/se/770x/io.c b/arch/sh/boards/se/770x/io.c new file mode 100644 index 0000000..9a39ee9 --- /dev/null +++ b/arch/sh/boards/se/770x/io.c @@ -0,0 +1,226 @@ +/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $ + * + * linux/arch/sh/kernel/io_se.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * I/O routine for Hitachi SolutionEngine. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/se/se.h> + +/* SH pcmcia io window base, start and end. */ +int sh_pcic_io_wbase = 0xb8400000; +int sh_pcic_io_start; +int sh_pcic_io_stop; +int sh_pcic_io_type; +int sh_pcic_io_dummy; + +static inline void delay(void) +{ + ctrl_inw(0xa0000000); +} + +/* MS7750 requires special versions of in*, out* routines, since + PC-like io ports are located at upper half byte of 16-bit word which + can be accessed only with 16-bit wide. */ + +static inline volatile __u16 * +port2adr(unsigned int port) +{ + if (port >= 0x2000) + return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); + else if (port >= 0x1000) + return (volatile __u16 *) (PA_83902 + (port << 1)); + else if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) + return (volatile __u16 *) (sh_pcic_io_wbase + (port &~ 1)); + else + return (volatile __u16 *) (PA_SUPERIO + (port << 1)); +} + +static inline int +shifted_port(unsigned long port) +{ + /* For IDE registers, value is not shifted */ + if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) + return 0; + else + return 1; +} + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +unsigned char se_inb(unsigned long port) +{ + if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) + return *(__u8 *) (sh_pcic_io_wbase + 0x40000 + port); + else if (shifted_port(port)) + return (*port2adr(port) >> 8); + else + return (*port2adr(port))&0xff; +} + +unsigned char se_inb_p(unsigned long port) +{ + unsigned long v; + + if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) + v = *(__u8 *) (sh_pcic_io_wbase + 0x40000 + port); + else if (shifted_port(port)) + v = (*port2adr(port) >> 8); + else + v = (*port2adr(port))&0xff; + delay(); + return v; +} + +unsigned short se_inw(unsigned long port) +{ + if (port >= 0x2000 || + (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)) + return *port2adr(port); + else + maybebadio(inw, port); + return 0; +} + +unsigned int se_inl(unsigned long port) +{ + maybebadio(inl, port); + return 0; +} + +void se_outb(unsigned char value, unsigned long port) +{ + if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) + *(__u8 *)(sh_pcic_io_wbase + port) = value; + else if (shifted_port(port)) + *(port2adr(port)) = value << 8; + else + *(port2adr(port)) = value; +} + +void se_outb_p(unsigned char value, unsigned long port) +{ + if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) + *(__u8 *)(sh_pcic_io_wbase + port) = value; + else if (shifted_port(port)) + *(port2adr(port)) = value << 8; + else + *(port2adr(port)) = value; + delay(); +} + +void se_outw(unsigned short value, unsigned long port) +{ + if (port >= 0x2000 || + (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)) + *port2adr(port) = value; + else + maybebadio(outw, port); +} + +void se_outl(unsigned int value, unsigned long port) +{ + maybebadio(outl, port); +} + +void se_insb(unsigned long port, void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + __u8 *ap = addr; + + if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) { + volatile __u8 *bp = (__u8 *) (sh_pcic_io_wbase + 0x40000 + port); + while (count--) + *ap++ = *bp; + } else if (shifted_port(port)) { + while (count--) + *ap++ = *p >> 8; + } else { + while (count--) + *ap++ = *p; + } +} + +void se_insw(unsigned long port, void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + __u16 *ap = addr; + while (count--) + *ap++ = *p; +} + +void se_insl(unsigned long port, void *addr, unsigned long count) +{ + maybebadio(insl, port); +} + +void se_outsb(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + const __u8 *ap = addr; + + if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop) { + volatile __u8 *bp = (__u8 *) (sh_pcic_io_wbase + port); + while (count--) + *bp = *ap++; + } else if (shifted_port(port)) { + while (count--) + *p = *ap++ << 8; + } else { + while (count--) + *p = *ap++; + } +} + +void se_outsw(unsigned long port, const void *addr, unsigned long count) +{ + volatile __u16 *p = port2adr(port); + const __u16 *ap = addr; + while (count--) + *p = *ap++; +} + +void se_outsl(unsigned long port, const void *addr, unsigned long count) +{ + maybebadio(outsw, port); +} + +/* Map ISA bus address to the real address. Only for PCMCIA. */ + +/* ISA page descriptor. */ +static __u32 sh_isa_memmap[256]; + +static int +sh_isa_mmap(__u32 start, __u32 length, __u32 offset) +{ + int idx; + + if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000)) + return -1; + + idx = start >> 12; + sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff); +#if 0 + printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n", + start, length, offset, idx, sh_isa_memmap[idx]); +#endif + return 0; +} + +unsigned long +se_isa_port2addr(unsigned long offset) +{ + int idx; + + idx = (offset >> 12) & 0xff; + offset &= 0xfff; + return sh_isa_memmap[idx] + offset; +} diff --git a/arch/sh/boards/se/770x/irq.c b/arch/sh/boards/se/770x/irq.c new file mode 100644 index 0000000..210897b --- /dev/null +++ b/arch/sh/boards/se/770x/irq.c @@ -0,0 +1,80 @@ +/* + * linux/arch/sh/boards/se/770x/irq.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <asm/se/se.h> + +/* + * Initialize IRQ setting + */ +void __init init_se_IRQ(void) +{ + /* + * Super I/O (Just mimic PC): + * 1: keyboard + * 3: serial 0 + * 4: serial 1 + * 5: printer + * 6: floppy + * 8: rtc + * 12: mouse + * 14: ide0 + */ +#if defined(CONFIG_CPU_SUBTYPE_SH7705) + /* Disable all interrupts */ + ctrl_outw(0, BCR_ILCRA); + ctrl_outw(0, BCR_ILCRB); + ctrl_outw(0, BCR_ILCRC); + ctrl_outw(0, BCR_ILCRD); + ctrl_outw(0, BCR_ILCRE); + ctrl_outw(0, BCR_ILCRF); + ctrl_outw(0, BCR_ILCRG); + /* This is default value */ + make_ipr_irq(0xf-0x2, BCR_ILCRA, 2, 0x2); + make_ipr_irq(0xf-0xa, BCR_ILCRA, 1, 0xa); + make_ipr_irq(0xf-0x5, BCR_ILCRB, 0, 0x5); + make_ipr_irq(0xf-0x8, BCR_ILCRC, 1, 0x8); + make_ipr_irq(0xf-0xc, BCR_ILCRC, 0, 0xc); + make_ipr_irq(0xf-0xe, BCR_ILCRD, 3, 0xe); + make_ipr_irq(0xf-0x3, BCR_ILCRD, 1, 0x3); /* LAN */ + make_ipr_irq(0xf-0xd, BCR_ILCRE, 2, 0xd); + make_ipr_irq(0xf-0x9, BCR_ILCRE, 1, 0x9); + make_ipr_irq(0xf-0x1, BCR_ILCRE, 0, 0x1); + make_ipr_irq(0xf-0xf, BCR_ILCRF, 3, 0xf); + make_ipr_irq(0xf-0xb, BCR_ILCRF, 1, 0xb); + make_ipr_irq(0xf-0x7, BCR_ILCRG, 3, 0x7); + make_ipr_irq(0xf-0x6, BCR_ILCRG, 2, 0x6); + make_ipr_irq(0xf-0x4, BCR_ILCRG, 1, 0x4); +#else + make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14); + make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12); + make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8); + make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6); + make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5); + make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4); + make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3); + make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1); + + make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */ + + make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */ + make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */ + make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */ + make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */ + + /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ + /* NOTE: #2 and #13 are not used on PC */ + make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */ + make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */ +#endif +} diff --git a/arch/sh/boards/se/770x/led.c b/arch/sh/boards/se/770x/led.c new file mode 100644 index 0000000..5c64e8a --- /dev/null +++ b/arch/sh/boards/se/770x/led.c @@ -0,0 +1,68 @@ +/* + * linux/arch/sh/kernel/led_se.c + * + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Solution Engine specific LED code. + */ + +#include <linux/config.h> +#include <asm/se/se.h> + +static void mach_led(int position, int value) +{ + volatile unsigned short* p = (volatile unsigned short*)PA_LED; + + if (value) { + *p |= (1<<8); + } else { + *p &= ~(1<<8); + } +} + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void heartbeat_se(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned short* p = (volatile unsigned short*)PA_LED; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ( (300<<FSHIFT)/ + ((avenrun[0]/5) + (3<<FSHIFT)) ); + + if (up) { + if (bit == 7) { + bit--; + up=0; + } else { + bit ++; + } + } else { + if (bit == 0) { + bit++; + up=1; + } else { + bit--; + } + } + *p = 1<<(bit+8); + +} +#endif /* CONFIG_HEARTBEAT */ diff --git a/arch/sh/boards/se/770x/mach.c b/arch/sh/boards/se/770x/mach.c new file mode 100644 index 0000000..f9b4c56 --- /dev/null +++ b/arch/sh/boards/se/770x/mach.c @@ -0,0 +1,68 @@ +/* + * linux/arch/sh/kernel/mach_se.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the Hitachi SolutionEngine + */ + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/se/io.h> + +void heartbeat_se(void); +void setup_se(void); +void init_se_IRQ(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_se __initmv = { +#if defined(CONFIG_CPU_SH4) + .mv_nr_irqs = 48, +#elif defined(CONFIG_CPU_SUBTYPE_SH7708) + .mv_nr_irqs = 32, +#elif defined(CONFIG_CPU_SUBTYPE_SH7709) + .mv_nr_irqs = 61, +#elif defined(CONFIG_CPU_SUBTYPE_SH7705) + .mv_nr_irqs = 86, +#endif + + .mv_inb = se_inb, + .mv_inw = se_inw, + .mv_inl = se_inl, + .mv_outb = se_outb, + .mv_outw = se_outw, + .mv_outl = se_outl, + + .mv_inb_p = se_inb_p, + .mv_inw_p = se_inw, + .mv_inl_p = se_inl, + .mv_outb_p = se_outb_p, + .mv_outw_p = se_outw, + .mv_outl_p = se_outl, + + .mv_insb = se_insb, + .mv_insw = se_insw, + .mv_insl = se_insl, + .mv_outsb = se_outsb, + .mv_outsw = se_outsw, + .mv_outsl = se_outsl, + + .mv_isa_port2addr = se_isa_port2addr, + + .mv_init_irq = init_se_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_se, +#endif +}; +ALIAS_MV(se) diff --git a/arch/sh/boards/se/770x/setup.c b/arch/sh/boards/se/770x/setup.c new file mode 100644 index 0000000..2bed46f --- /dev/null +++ b/arch/sh/boards/se/770x/setup.c @@ -0,0 +1,85 @@ +/* $Id: setup.c,v 1.1.2.4 2002/03/02 21:57:07 lethal Exp $ + * + * linux/arch/sh/boards/se/770x/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <asm/io.h> +#include <asm/se/se.h> +#include <asm/se/smc37c93x.h> + +/* + * Configure the Super I/O chip + */ +static void __init smsc_config(int index, int data) +{ + outb_p(index, INDEX_PORT); + outb_p(data, DATA_PORT); +} + +static void __init init_smsc(void) +{ + outb_p(CONFIG_ENTER, CONFIG_PORT); + outb_p(CONFIG_ENTER, CONFIG_PORT); + + /* FDC */ + smsc_config(CURRENT_LDN_INDEX, LDN_FDC); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */ + + /* IDE1 */ + smsc_config(CURRENT_LDN_INDEX, LDN_IDE1); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */ + + /* AUXIO (GPIO): to use IDE1 */ + smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO); + smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */ + smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */ + + /* COM1 */ + smsc_config(CURRENT_LDN_INDEX, LDN_COM1); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IO_BASE_HI_INDEX, 0x03); + smsc_config(IO_BASE_LO_INDEX, 0xf8); + smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */ + + /* COM2 */ + smsc_config(CURRENT_LDN_INDEX, LDN_COM2); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IO_BASE_HI_INDEX, 0x02); + smsc_config(IO_BASE_LO_INDEX, 0xf8); + smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */ + + /* RTC */ + smsc_config(CURRENT_LDN_INDEX, LDN_RTC); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */ + + /* XXX: PARPORT, KBD, and MOUSE will come here... */ + outb_p(CONFIG_EXIT, CONFIG_PORT); +} + +const char *get_system_type(void) +{ + return "SolutionEngine"; +} + +/* + * Initialize the board + */ +void __init platform_setup(void) +{ + init_smsc(); + /* XXX: RTC setting comes here */ +} diff --git a/arch/sh/boards/se/7751/Makefile b/arch/sh/boards/se/7751/Makefile new file mode 100644 index 0000000..ce7ca24 --- /dev/null +++ b/arch/sh/boards/se/7751/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the 7751 SolutionEngine specific parts of the kernel +# + +obj-y := mach.o setup.o io.o irq.o led.o + +obj-$(CONFIG_PCI) += pci.o + diff --git a/arch/sh/boards/se/7751/io.c b/arch/sh/boards/se/7751/io.c new file mode 100644 index 0000000..99041b2 --- /dev/null +++ b/arch/sh/boards/se/7751/io.c @@ -0,0 +1,244 @@ +/* + * linux/arch/sh/kernel/io_7751se.c + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routine for Hitachi 7751 SolutionEngine. + * + * Initial version only to support LAN access; some + * placeholder code from io_se.c left in with the + * expectation of later SuperIO and PCMCIA access. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/se7751/se7751.h> +#include <asm/addrspace.h> + +#include <linux/pci.h> +#include "../../../drivers/pci/pci-sh7751.h" + +#if 0 +/****************************************************************** + * Variables from io_se.c, related to PCMCIA (not PCI); we're not + * compiling them in, and have removed references from functions + * which follow. [Many checked for IO ports in the range bounded + * by sh_pcic_io_start/stop, and used sh_pcic_io_wbase as offset. + * As start/stop are uninitialized, only port 0x0 would match?] + * When used, remember to adjust names to avoid clash with io_se? + *****************************************************************/ +/* SH pcmcia io window base, start and end. */ +int sh_pcic_io_wbase = 0xb8400000; +int sh_pcic_io_start; +int sh_pcic_io_stop; +int sh_pcic_io_type; +int sh_pcic_io_dummy; +/*************************************************************/ +#endif + +/* + * The 7751 Solution Engine uses the built-in PCI controller (PCIC) + * of the 7751 processor, and has a SuperIO accessible via the PCI. + * The board also includes a PCMCIA controller on its memory bus, + * like the other Solution Engine boards. + */ + +#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) +#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) +#define PCI_IO_AREA SH7751_PCI_IO_BASE +#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE + +#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +static inline void delay(void) +{ + ctrl_inw(0xa0000000); +} + +static inline volatile __u16 * +port2adr(unsigned int port) +{ + if (port >= 0x2000) + return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); +#if 0 + else + return (volatile __u16 *) (PA_SUPERIO + (port << 1)); +#endif + maybebadio(name,(unsigned long)port); + return (volatile __u16*)port; +} + +#if 0 +/* The 7751 Solution Engine seems to have everything hooked */ +/* up pretty normally (nothing on high-bytes only...) so this */ +/* shouldn't be needed */ +static inline int +shifted_port(unsigned long port) +{ + /* For IDE registers, value is not shifted */ + if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) + return 0; + else + return 1; +} +#endif + +/* In case someone configures the kernel w/o PCI support: in that */ +/* scenario, don't ever bother to check for PCI-window addresses */ + +/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ +#if defined(CONFIG_PCI) +#define CHECK_SH7751_PCIIO(port) \ + ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) +#else +#define CHECK_SH7751_PCIIO(port) (0) +#endif + +/* + * General outline: remap really low stuff [eventually] to SuperIO, + * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) + * is mapped through the PCI IO window. Stuff with high bits (PXSEG) + * should be way beyond the window, and is used w/o translation for + * compatibility. + */ +unsigned char sh7751se_inb(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned char *)PCI_IOMAP(port); + else + return (*port2adr(port))&0xff; +} + +unsigned char sh7751se_inb_p(unsigned long port) +{ + unsigned char v; + + if (PXSEG(port)) + v = *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port)) + v = *(volatile unsigned char *)PCI_IOMAP(port); + else + v = (*port2adr(port))&0xff; + delay(); + return v; +} + +unsigned short sh7751se_inw(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned short *)PCI_IOMAP(port); + else if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(inw, port); + return 0; +} + +unsigned int sh7751se_inl(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned long *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned int *)PCI_IOMAP(port); + else if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(inl, port); + return 0; +} + +void sh7751se_outb(unsigned char value, unsigned long port) +{ + + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned char*)PCI_IOMAP(port)) = value; + else + *(port2adr(port)) = value; +} + +void sh7751se_outb_p(unsigned char value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned char*)PCI_IOMAP(port)) = value; + else + *(port2adr(port)) = value; + delay(); +} + +void sh7751se_outw(unsigned short value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned short *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned short *)PCI_IOMAP(port)) = value; + else if (port >= 0x2000) + *port2adr(port) = value; + else + maybebadio(outw, port); +} + +void sh7751se_outl(unsigned int value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned long *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned long*)PCI_IOMAP(port)) = value; + else + maybebadio(outl, port); +} + +void sh7751se_insl(unsigned long port, void *addr, unsigned long count) +{ + maybebadio(insl, port); +} + +void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count) +{ + maybebadio(outsw, port); +} + +/* Map ISA bus address to the real address. Only for PCMCIA. */ + +/* ISA page descriptor. */ +static __u32 sh_isa_memmap[256]; + +#if 0 +static int +sh_isa_mmap(__u32 start, __u32 length, __u32 offset) +{ + int idx; + + if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000)) + return -1; + + idx = start >> 12; + sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff); + printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n", + start, length, offset, idx, sh_isa_memmap[idx]); + return 0; +} +#endif + +unsigned long +sh7751se_isa_port2addr(unsigned long offset) +{ + int idx; + + idx = (offset >> 12) & 0xff; + offset &= 0xfff; + return sh_isa_memmap[idx] + offset; +} diff --git a/arch/sh/boards/se/7751/irq.c b/arch/sh/boards/se/7751/irq.c new file mode 100644 index 0000000..ad71f3e --- /dev/null +++ b/arch/sh/boards/se/7751/irq.c @@ -0,0 +1,67 @@ +/* + * linux/arch/sh/boards/se/7751/irq.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + * Modified for 7751 Solution Engine by + * Ian da Silva and Jeremy Siegel, 2001. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/irq.h> +#include <asm/se7751/se7751.h> + +/* + * Initialize IRQ setting + */ +void __init init_7751se_IRQ(void) +{ + + /* Leave old Solution Engine code in for reference. */ +#if defined(CONFIG_SH_SOLUTION_ENGINE) + /* + * Super I/O (Just mimic PC): + * 1: keyboard + * 3: serial 0 + * 4: serial 1 + * 5: printer + * 6: floppy + * 8: rtc + * 12: mouse + * 14: ide0 + */ + make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14); + make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12); + make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8); + make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6); + make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5); + make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4); + make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3); + make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1); + + make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */ + + make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */ + make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */ + make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */ + make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */ + + /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ + /* NOTE: #2 and #13 are not used on PC */ + make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */ + make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */ + +#elif defined(CONFIG_SH_7751_SOLUTION_ENGINE) + + make_ipr_irq(13, BCR_ILCRD, 3, 2); + + /* Add additional calls to make_ipr_irq() as drivers are added + * and tested. + */ +#endif + +} diff --git a/arch/sh/boards/se/7751/led.c b/arch/sh/boards/se/7751/led.c new file mode 100644 index 0000000..0c78823 --- /dev/null +++ b/arch/sh/boards/se/7751/led.c @@ -0,0 +1,68 @@ +/* + * linux/arch/sh/kernel/led_se.c + * + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Solution Engine specific LED code. + */ + +#include <linux/config.h> +#include <asm/se7751/se7751.h> + +static void mach_led(int position, int value) +{ + volatile unsigned short* p = (volatile unsigned short*)PA_LED; + + if (value) { + *p |= (1<<8); + } else { + *p &= ~(1<<8); + } +} + +#ifdef CONFIG_HEARTBEAT + +#include <linux/sched.h> + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void heartbeat_7751se(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned short* p = (volatile unsigned short*)PA_LED; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ( (300<<FSHIFT)/ + ((avenrun[0]/5) + (3<<FSHIFT)) ); + + if (up) { + if (bit == 7) { + bit--; + up=0; + } else { + bit ++; + } + } else { + if (bit == 0) { + bit++; + up=1; + } else { + bit--; + } + } + *p = 1<<(bit+8); + +} +#endif /* CONFIG_HEARTBEAT */ diff --git a/arch/sh/boards/se/7751/mach.c b/arch/sh/boards/se/7751/mach.c new file mode 100644 index 0000000..16d386b --- /dev/null +++ b/arch/sh/boards/se/7751/mach.c @@ -0,0 +1,55 @@ +/* + * linux/arch/sh/kernel/mach_7751se.c + * + * Minor tweak of mach_se.c file to reference 7751se-specific items. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine vector for the Hitachi 7751 SolutionEngine + */ + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/rtc.h> +#include <asm/machvec_init.h> + +#include <asm/se7751/io.h> + +void heartbeat_7751se(void); +void init_7751se_IRQ(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_7751se __initmv = { + .mv_nr_irqs = 72, + + .mv_inb = sh7751se_inb, + .mv_inw = sh7751se_inw, + .mv_inl = sh7751se_inl, + .mv_outb = sh7751se_outb, + .mv_outw = sh7751se_outw, + .mv_outl = sh7751se_outl, + + .mv_inb_p = sh7751se_inb_p, + .mv_inw_p = sh7751se_inw, + .mv_inl_p = sh7751se_inl, + .mv_outb_p = sh7751se_outb_p, + .mv_outw_p = sh7751se_outw, + .mv_outl_p = sh7751se_outl, + + .mv_insl = sh7751se_insl, + .mv_outsl = sh7751se_outsl, + + .mv_isa_port2addr = sh7751se_isa_port2addr, + + .mv_init_irq = init_7751se_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_7751se, +#endif +}; +ALIAS_MV(7751se) diff --git a/arch/sh/boards/se/7751/pci.c b/arch/sh/boards/se/7751/pci.c new file mode 100644 index 0000000..1f273ef --- /dev/null +++ b/arch/sh/boards/se/7751/pci.c @@ -0,0 +1,148 @@ +/* + * linux/arch/sh/kernel/pci-7751se.c + * + * Author: Ian DaSilva (idasilva@mvista.com) + * + * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * PCI initialization for the Hitachi SH7751 Solution Engine board (MS7751SE01) + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> + +#include <asm/io.h> +#include "../../../drivers/pci/pci-sh7751.h" + +#define PCIMCR_MRSET_OFF 0xBFFFFFFF +#define PCIMCR_RFSH_OFF 0xFFFFFFFB + +/* + * Only long word accesses of the PCIC's internal local registers and the + * configuration registers from the CPU is supported. + */ +#define PCIC_WRITE(x,v) writel((v), PCI_REG(x)) +#define PCIC_READ(x) readl(PCI_REG(x)) + +/* + * Description: This function sets up and initializes the pcic, sets + * up the BARS, maps the DRAM into the address space etc, etc. + */ +int __init pcibios_init_platform(void) +{ + unsigned long bcr1, wcr1, wcr2, wcr3, mcr; + unsigned short bcr2; + + /* + * Initialize the slave bus controller on the pcic. The values used + * here should not be hardcoded, but they should be taken from the bsc + * on the processor, to make this function as generic as possible. + * (i.e. Another sbc may usr different SDRAM timing settings -- in order + * for the pcic to work, its settings need to be exactly the same.) + */ + bcr1 = (*(volatile unsigned long*)(SH7751_BCR1)); + bcr2 = (*(volatile unsigned short*)(SH7751_BCR2)); + wcr1 = (*(volatile unsigned long*)(SH7751_WCR1)); + wcr2 = (*(volatile unsigned long*)(SH7751_WCR2)); + wcr3 = (*(volatile unsigned long*)(SH7751_WCR3)); + mcr = (*(volatile unsigned long*)(SH7751_MCR)); + + bcr1 = bcr1 | 0x00080000; /* Enable Bit 19, BREQEN */ + (*(volatile unsigned long*)(SH7751_BCR1)) = bcr1; + + bcr1 = bcr1 | 0x40080000; /* Enable Bit 19 BREQEN, set PCIC to slave */ + PCIC_WRITE(SH7751_PCIBCR1, bcr1); /* PCIC BCR1 */ + PCIC_WRITE(SH7751_PCIBCR2, bcr2); /* PCIC BCR2 */ + PCIC_WRITE(SH7751_PCIWCR1, wcr1); /* PCIC WCR1 */ + PCIC_WRITE(SH7751_PCIWCR2, wcr2); /* PCIC WCR2 */ + PCIC_WRITE(SH7751_PCIWCR3, wcr3); /* PCIC WCR3 */ + mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF; + PCIC_WRITE(SH7751_PCIMCR, mcr); /* PCIC MCR */ + + + /* Enable all interrupts, so we know what to fix */ + PCIC_WRITE(SH7751_PCIINTM, 0x0000c3ff); + PCIC_WRITE(SH7751_PCIAINTM, 0x0000380f); + + /* Set up standard PCI config registers */ + PCIC_WRITE(SH7751_PCICONF1, 0xF39000C7); /* Bus Master, Mem & I/O access */ + PCIC_WRITE(SH7751_PCICONF2, 0x00000000); /* PCI Class code & Revision ID */ + PCIC_WRITE(SH7751_PCICONF4, 0xab000001); /* PCI I/O address (local regs) */ + PCIC_WRITE(SH7751_PCICONF5, 0x0c000000); /* PCI MEM address (local RAM) */ + PCIC_WRITE(SH7751_PCICONF6, 0xd0000000); /* PCI MEM address (unused) */ + PCIC_WRITE(SH7751_PCICONF11, 0x35051054); /* PCI Subsystem ID & Vendor ID */ + PCIC_WRITE(SH7751_PCILSR0, 0x03f00000); /* MEM (full 64M exposed) */ + PCIC_WRITE(SH7751_PCILSR1, 0x00000000); /* MEM (unused) */ + PCIC_WRITE(SH7751_PCILAR0, 0x0c000000); /* MEM (direct map from PCI) */ + PCIC_WRITE(SH7751_PCILAR1, 0x00000000); /* MEM (unused) */ + + /* Now turn it on... */ + PCIC_WRITE(SH7751_PCICR, 0xa5000001); + + /* + * Set PCIMBR and PCIIOBR here, assuming a single window + * (16M MEM, 256K IO) is enough. If a larger space is + * needed, the readx/writex and inx/outx functions will + * have to do more (e.g. setting registers for each call). + */ + + /* + * Set the MBR so PCI address is one-to-one with window, + * meaning all calls go straight through... use BUG_ON to + * catch erroneous assumption. + */ + BUG_ON(PCIBIOS_MIN_MEM != SH7751_PCI_MEMORY_BASE); + + PCIC_WRITE(SH7751_PCIMBR, PCIBIOS_MIN_MEM); + + /* Set IOBR for window containing area specified in pci.h */ + PCIC_WRITE(SH7751_PCIIOBR, (PCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK)); + + /* All done, may as well say so... */ + printk("SH7751 PCI: Finished initialization of the PCI controller\n"); + + return 1; +} + +int __init pcibios_map_platform_irq(u8 slot, u8 pin) +{ + switch (slot) { + case 0: return 13; + case 1: return 13; /* AMD Ethernet controller */ + case 2: return -1; + case 3: return -1; + case 4: return -1; + default: + printk("PCI: Bad IRQ mapping request for slot %d\n", slot); + return -1; + } +} + +static struct resource sh7751_io_resource = { + .name = "SH7751 IO", + .start = SH7751_PCI_IO_BASE, + .end = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1, + .flags = IORESOURCE_IO +}; + +static struct resource sh7751_mem_resource = { + .name = "SH7751 mem", + .start = SH7751_PCI_MEMORY_BASE, + .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM +}; + +extern struct pci_ops sh7751_pci_ops; + +struct pci_channel board_pci_channels[] = { + { &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff }, + { NULL, NULL, NULL, 0, 0 }, +}; + diff --git a/arch/sh/boards/se/7751/setup.c b/arch/sh/boards/se/7751/setup.c new file mode 100644 index 0000000..9d111bb --- /dev/null +++ b/arch/sh/boards/se/7751/setup.c @@ -0,0 +1,228 @@ +/* + * linux/arch/sh/kernel/setup_7751se.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + * Modified for 7751 Solution Engine by + * Ian da Silva and Jeremy Siegel, 2001. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <asm/io.h> +#include <asm/se7751/se7751.h> + +#ifdef CONFIG_SH_KGDB +#include <asm/kgdb.h> +#endif + +/* + * Configure the Super I/O chip + */ +#if 0 +/* Leftover code from regular Solution Engine, for reference. */ +/* The SH7751 Solution Engine has a different SuperIO. */ +static void __init smsc_config(int index, int data) +{ + outb_p(index, INDEX_PORT); + outb_p(data, DATA_PORT); +} + +static void __init init_smsc(void) +{ + outb_p(CONFIG_ENTER, CONFIG_PORT); + outb_p(CONFIG_ENTER, CONFIG_PORT); + + /* FDC */ + smsc_config(CURRENT_LDN_INDEX, LDN_FDC); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */ + + /* IDE1 */ + smsc_config(CURRENT_LDN_INDEX, LDN_IDE1); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */ + + /* AUXIO (GPIO): to use IDE1 */ + smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO); + smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */ + smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */ + + /* COM1 */ + smsc_config(CURRENT_LDN_INDEX, LDN_COM1); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IO_BASE_HI_INDEX, 0x03); + smsc_config(IO_BASE_LO_INDEX, 0xf8); + smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */ + + /* COM2 */ + smsc_config(CURRENT_LDN_INDEX, LDN_COM2); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IO_BASE_HI_INDEX, 0x02); + smsc_config(IO_BASE_LO_INDEX, 0xf8); + smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */ + + /* RTC */ + smsc_config(CURRENT_LDN_INDEX, LDN_RTC); + smsc_config(ACTIVATE_INDEX, 0x01); + smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */ + + /* XXX: PARPORT, KBD, and MOUSE will come here... */ + outb_p(CONFIG_EXIT, CONFIG_PORT); +} +#endif + +const char *get_system_type(void) +{ + return "7751 SolutionEngine"; +} + +#ifdef CONFIG_SH_KGDB +static int kgdb_uart_setup(void); +static struct kgdb_sermap kgdb_uart_sermap = +{ "ttyS", 0, kgdb_uart_setup, NULL }; +#endif + +/* + * Initialize the board + */ +void __init platform_setup(void) +{ + /* Call init_smsc() replacement to set up SuperIO. */ + /* XXX: RTC setting comes here */ +#ifdef CONFIG_SH_KGDB + kgdb_register_sermap(&kgdb_uart_sermap); +#endif +} + +/********************************************************************* + * Currently a hack (e.g. does not interact well w/serial.c, lots of * + * hardcoded stuff) but may be useful if SCI/F needs debugging. * + * Mostly copied from x86 code (see files asm-i386/kgdb_local.h and * + * arch/i386/lib/kgdb_serial.c). * + *********************************************************************/ + +#ifdef CONFIG_SH_KGDB +#include <linux/types.h> +#include <linux/serial.h> +#include <linux/serialP.h> +#include <linux/serial_reg.h> + +#define COM1_PORT 0x3f8 /* Base I/O address */ +#define COM1_IRQ 4 /* IRQ not used yet */ +#define COM2_PORT 0x2f8 /* Base I/O address */ +#define COM2_IRQ 3 /* IRQ not used yet */ + +#define SB_CLOCK 1843200 /* Serial baud clock */ +#define SB_BASE (SB_CLOCK/16) +#define SB_MCR UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS + +struct uart_port { + int base; +}; +#define UART_NPORTS 2 +struct uart_port uart_ports[] = { + { COM1_PORT }, + { COM2_PORT }, +}; +struct uart_port *kgdb_uart_port; + +#define UART_IN(reg) inb_p(kgdb_uart_port->base + reg) +#define UART_OUT(reg,v) outb_p((v), kgdb_uart_port->base + reg) + +/* Basic read/write functions for the UART */ +#define UART_LSR_RXCERR (UART_LSR_BI | UART_LSR_FE | UART_LSR_PE) +static int kgdb_uart_getchar(void) +{ + int lsr; + int c = -1; + + while (c == -1) { + lsr = UART_IN(UART_LSR); + if (lsr & UART_LSR_DR) + c = UART_IN(UART_RX); + if ((lsr & UART_LSR_RXCERR)) + c = -1; + } + return c; +} + +static void kgdb_uart_putchar(int c) +{ + while ((UART_IN(UART_LSR) & UART_LSR_THRE) == 0) + ; + UART_OUT(UART_TX, c); +} + +/* + * Initialize UART to configured/requested values. + * (But we don't interrupts yet, or interact w/serial.c) + */ +static int kgdb_uart_setup(void) +{ + int port; + int lcr = 0; + int bdiv = 0; + + if (kgdb_portnum >= UART_NPORTS) { + KGDB_PRINTK("uart port %d invalid.\n", kgdb_portnum); + return -1; + } + + kgdb_uart_port = &uart_ports[kgdb_portnum]; + + /* Init sequence from gdb_hook_interrupt */ + UART_IN(UART_RX); + UART_OUT(UART_IER, 0); + + UART_IN(UART_RX); /* Serial driver comments say */ + UART_IN(UART_IIR); /* this clears interrupt regs */ + UART_IN(UART_MSR); + + /* Figure basic LCR values */ + switch (kgdb_bits) { + case '7': + lcr |= UART_LCR_WLEN7; + break; + default: case '8': + lcr |= UART_LCR_WLEN8; + break; + } + switch (kgdb_parity) { + case 'O': + lcr |= UART_LCR_PARITY; + break; + case 'E': + lcr |= (UART_LCR_PARITY | UART_LCR_EPAR); + break; + default: break; + } + + /* Figure the baud rate divisor */ + bdiv = (SB_BASE/kgdb_baud); + + /* Set the baud rate and LCR values */ + UART_OUT(UART_LCR, (lcr | UART_LCR_DLAB)); + UART_OUT(UART_DLL, (bdiv & 0xff)); + UART_OUT(UART_DLM, ((bdiv >> 8) & 0xff)); + UART_OUT(UART_LCR, lcr); + + /* Set the MCR */ + UART_OUT(UART_MCR, SB_MCR); + + /* Turn off FIFOs for now */ + UART_OUT(UART_FCR, 0); + + /* Setup complete: initialize function pointers */ + kgdb_getchar = kgdb_uart_getchar; + kgdb_putchar = kgdb_uart_putchar; + + return 0; +} +#endif /* CONFIG_SH_KGDB */ diff --git a/arch/sh/boards/sh03/Makefile b/arch/sh/boards/sh03/Makefile new file mode 100644 index 0000000..321be50 --- /dev/null +++ b/arch/sh/boards/sh03/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the Interface (CTP/PCI-SH03) specific parts of the kernel +# + +obj-y := setup.o rtc.o +obj-$(CONFIG_HEARTBEAT) += led.o diff --git a/arch/sh/boards/sh03/led.c b/arch/sh/boards/sh03/led.c new file mode 100644 index 0000000..c851b0b --- /dev/null +++ b/arch/sh/boards/sh03/led.c @@ -0,0 +1,49 @@ +/* + * linux/arch/sh/boards/sh03/led.c + * + * Copyright (C) 2004 Saito.K Interface Corporation. + * + * This file contains Interface CTP/PCI-SH03 specific LED code. + */ + +#include <linux/config.h> +#include <linux/sched.h> + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void heartbeat_sh03(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned char* p = (volatile unsigned char*)0xa0800000; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ( (300<<FSHIFT)/ + ((avenrun[0]/5) + (3<<FSHIFT)) ); + + if (up) { + if (bit == 7) { + bit--; + up=0; + } else { + bit ++; + } + } else { + if (bit == 0) { + bit++; + up=1; + } else { + bit--; + } + } + *p = 1<<bit; + +} diff --git a/arch/sh/boards/sh03/rtc.c b/arch/sh/boards/sh03/rtc.c new file mode 100644 index 0000000..cbeca70 --- /dev/null +++ b/arch/sh/boards/sh03/rtc.c @@ -0,0 +1,144 @@ +/* + * linux/arch/sh/boards/sh03/rtc.c -- CTP/PCI-SH03 on-chip RTC support + * + * Copyright (C) 2004 Saito.K & Jeanne(ksaito@interface.co.jp) + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/time.h> +#include <asm/io.h> +#include <linux/rtc.h> +#include <linux/spinlock.h> + +#define RTC_BASE 0xb0000000 +#define RTC_SEC1 (RTC_BASE + 0) +#define RTC_SEC10 (RTC_BASE + 1) +#define RTC_MIN1 (RTC_BASE + 2) +#define RTC_MIN10 (RTC_BASE + 3) +#define RTC_HOU1 (RTC_BASE + 4) +#define RTC_HOU10 (RTC_BASE + 5) +#define RTC_WEE1 (RTC_BASE + 6) +#define RTC_DAY1 (RTC_BASE + 7) +#define RTC_DAY10 (RTC_BASE + 8) +#define RTC_MON1 (RTC_BASE + 9) +#define RTC_MON10 (RTC_BASE + 10) +#define RTC_YEA1 (RTC_BASE + 11) +#define RTC_YEA10 (RTC_BASE + 12) +#define RTC_YEA100 (RTC_BASE + 13) +#define RTC_YEA1000 (RTC_BASE + 14) +#define RTC_CTL (RTC_BASE + 15) +#define RTC_BUSY 1 +#define RTC_STOP 2 + +#ifndef BCD_TO_BIN +#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10) +#endif + +#ifndef BIN_TO_BCD +#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10) +#endif + +extern void (*rtc_get_time)(struct timespec *); +extern int (*rtc_set_time)(const time_t); +extern spinlock_t rtc_lock; + +unsigned long get_cmos_time(void) +{ + unsigned int year, mon, day, hour, min, sec; + int i; + + spin_lock(&rtc_lock); + again: + for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */ + if (!(ctrl_inb(RTC_CTL) & RTC_BUSY)) + break; + do { + sec = (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10; + min = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10; + hour = (ctrl_inb(RTC_HOU1) & 0xf) + (ctrl_inb(RTC_HOU10) & 0xf) * 10; + day = (ctrl_inb(RTC_DAY1) & 0xf) + (ctrl_inb(RTC_DAY10) & 0xf) * 10; + mon = (ctrl_inb(RTC_MON1) & 0xf) + (ctrl_inb(RTC_MON10) & 0xf) * 10; + year = (ctrl_inb(RTC_YEA1) & 0xf) + (ctrl_inb(RTC_YEA10) & 0xf) * 10 + + (ctrl_inb(RTC_YEA100 ) & 0xf) * 100 + + (ctrl_inb(RTC_YEA1000) & 0xf) * 1000; + } while (sec != (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10); + if (year == 0 || mon < 1 || mon > 12 || day > 31 || day < 1 || + hour > 23 || min > 59 || sec > 59) { + printk(KERN_ERR + "SH-03 RTC: invalid value, resetting to 1 Jan 2000\n"); + printk("year=%d, mon=%d, day=%d, hour=%d, min=%d, sec=%d\n", + year, mon, day, hour, min, sec); + + ctrl_outb(0, RTC_SEC1); ctrl_outb(0, RTC_SEC10); + ctrl_outb(0, RTC_MIN1); ctrl_outb(0, RTC_MIN10); + ctrl_outb(0, RTC_HOU1); ctrl_outb(0, RTC_HOU10); + ctrl_outb(6, RTC_WEE1); + ctrl_outb(1, RTC_DAY1); ctrl_outb(0, RTC_DAY10); + ctrl_outb(1, RTC_MON1); ctrl_outb(0, RTC_MON10); + ctrl_outb(0, RTC_YEA1); ctrl_outb(0, RTC_YEA10); + ctrl_outb(0, RTC_YEA100); + ctrl_outb(2, RTC_YEA1000); + ctrl_outb(0, RTC_CTL); + goto again; + } + + spin_unlock(&rtc_lock); + return mktime(year, mon, day, hour, min, sec); +} + +void sh03_rtc_gettimeofday(struct timespec *tv) +{ + + tv->tv_sec = get_cmos_time(); + tv->tv_nsec = 0; +} + +static int set_rtc_mmss(unsigned long nowtime) +{ + int retval = 0; + int real_seconds, real_minutes, cmos_minutes; + int i; + + /* gets recalled with irq locally disabled */ + spin_lock(&rtc_lock); + for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */ + if (!(ctrl_inb(RTC_CTL) & RTC_BUSY)) + break; + cmos_minutes = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10; + real_seconds = nowtime % 60; + real_minutes = nowtime / 60; + if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) + real_minutes += 30; /* correct for half hour time zone */ + real_minutes %= 60; + + if (abs(real_minutes - cmos_minutes) < 30) { + ctrl_outb(real_seconds % 10, RTC_SEC1); + ctrl_outb(real_seconds / 10, RTC_SEC10); + ctrl_outb(real_minutes % 10, RTC_MIN1); + ctrl_outb(real_minutes / 10, RTC_MIN10); + } else { + printk(KERN_WARNING + "set_rtc_mmss: can't update from %d to %d\n", + cmos_minutes, real_minutes); + retval = -1; + } + spin_unlock(&rtc_lock); + + return retval; +} + +int sh03_rtc_settimeofday(const time_t secs) +{ + unsigned long nowtime = secs; + + return set_rtc_mmss(nowtime); +} + +void sh03_time_init(void) +{ + rtc_get_time = sh03_rtc_gettimeofday; + rtc_set_time = sh03_rtc_settimeofday; +} diff --git a/arch/sh/boards/sh03/setup.c b/arch/sh/boards/sh03/setup.c new file mode 100644 index 0000000..d2a08ca --- /dev/null +++ b/arch/sh/boards/sh03/setup.c @@ -0,0 +1,72 @@ +/* + * linux/arch/sh/boards/sh03/setup.c + * + * Copyright (C) 2004 Interface Co.,Ltd. Saito.K + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <asm/io.h> +#include <asm/sh03/io.h> +#include <asm/sh03/sh03.h> +#include <asm/addrspace.h> +#include "../../drivers/pci/pci-sh7751.h" + +extern void (*board_time_init)(void); + +const char *get_system_type(void) +{ + return "Interface CTP/PCI-SH03)"; +} + +void init_sh03_IRQ(void) +{ + ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); + + make_ipr_irq(IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY); + make_ipr_irq(IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY); + make_ipr_irq(IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY); + make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY); +} + +extern void *cf_io_base; + +unsigned long sh03_isa_port2addr(unsigned long port) +{ + if (PXSEG(port)) + return port; + /* CompactFlash (IDE) */ + if (((port >= 0x1f0) && (port <= 0x1f7)) || (port == 0x3f6)) { + return (unsigned long)cf_io_base + port; + } + return port + SH7751_PCI_IO_BASE; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_sh03 __initmv = { + .mv_nr_irqs = 48, + .mv_isa_port2addr = sh03_isa_port2addr, + .mv_init_irq = init_sh03_IRQ, + +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_sh03, +#endif +}; + +ALIAS_MV(sh03) + +/* arch/sh/boards/sh03/rtc.c */ +void sh03_time_init(void); + +int __init platform_setup(void) +{ + board_time_init = sh03_time_init; + return 0; +} diff --git a/arch/sh/boards/sh2000/Makefile b/arch/sh/boards/sh2000/Makefile new file mode 100644 index 0000000..05d390c --- /dev/null +++ b/arch/sh/boards/sh2000/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the SH2000 specific parts of the kernel +# + +obj-y := setup.o + diff --git a/arch/sh/boards/sh2000/setup.c b/arch/sh/boards/sh2000/setup.c new file mode 100644 index 0000000..a290b1d --- /dev/null +++ b/arch/sh/boards/sh2000/setup.c @@ -0,0 +1,71 @@ +/* + * linux/arch/sh/kernel/setup_sh2000.c + * + * Copyright (C) 2001 SUGIOKA Tochinobu + * + * SH-2000 Support. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/io.h> +#include <asm/machvec.h> +#include <asm/mach/sh2000.h> + +#define CF_CIS_BASE 0xb4200000 + +#define PORT_PECR 0xa4000108 +#define PORT_PHCR 0xa400010E +#define PORT_ICR1 0xa4000010 +#define PORT_IRR0 0xa4000004 + +#define IDE_OFFSET 0xb6200000 +#define NIC_OFFSET 0xb6000000 +#define EXTBUS_OFFSET 0xba000000 + + +const char *get_system_type(void) +{ + return "sh2000"; +} + +static unsigned long sh2000_isa_port2addr(unsigned long offset) +{ + if((offset & ~7) == 0x1f0 || offset == 0x3f6) + return IDE_OFFSET + offset; + else if((offset & ~0x1f) == 0x300) + return NIC_OFFSET + offset; + return EXTBUS_OFFSET + offset; +} + +/* + * The Machine Vector + */ +struct sh_machine_vector mv_sh2000 __initmv = { + .mv_nr_irqs = 80, + .mv_isa_port2addr = sh2000_isa_port2addr, +}; +ALIAS_MV(sh2000) + +/* + * Initialize the board + */ +int __init platform_setup(void) +{ + /* XXX: RTC setting comes here */ + + /* These should be done by BIOS/IPL ... */ + /* Enable nCE2A, nCE2B output */ + ctrl_outw(ctrl_inw(PORT_PECR) & ~0xf00, PORT_PECR); + /* Enable the Compact Flash card, and set the level interrupt */ + ctrl_outw(0x0042, CF_CIS_BASE+0x0200); + /* Enable interrupt */ + ctrl_outw(ctrl_inw(PORT_PHCR) & ~0x03f3, PORT_PHCR); + ctrl_outw(1, PORT_ICR1); + ctrl_outw(ctrl_inw(PORT_IRR0) & ~0xff3f, PORT_IRR0); + printk(KERN_INFO "SH-2000 Setup...done\n"); + return 0; +} diff --git a/arch/sh/boards/snapgear/Makefile b/arch/sh/boards/snapgear/Makefile new file mode 100644 index 0000000..59fc976 --- /dev/null +++ b/arch/sh/boards/snapgear/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the SnapGear specific parts of the kernel +# + +obj-y := setup.o io.o rtc.o + diff --git a/arch/sh/boards/snapgear/io.c b/arch/sh/boards/snapgear/io.c new file mode 100644 index 0000000..e2eb78f --- /dev/null +++ b/arch/sh/boards/snapgear/io.c @@ -0,0 +1,226 @@ +/* + * linux/arch/sh/kernel/io_7751se.c + * + * Copyright (C) 2002 David McCullough <davidm@snapgear.com> + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routine for Hitachi 7751 SolutionEngine. + * + * Initial version only to support LAN access; some + * placeholder code from io_se.c left in with the + * expectation of later SuperIO and PCMCIA access. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <asm/io.h> +#include <asm/addrspace.h> + +#include <asm/pci.h> +#include "../../drivers/pci/pci-sh7751.h" + +#ifdef CONFIG_SH_SECUREEDGE5410 +unsigned short secureedge5410_ioport; +#endif + +/* + * The SnapGear uses the built-in PCI controller (PCIC) + * of the 7751 processor + */ + +#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) +#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) +#define PCI_IO_AREA SH7751_PCI_IO_BASE +#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE + + +#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) + + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + + +static inline void delay(void) +{ + ctrl_inw(0xa0000000); +} + + +static inline volatile __u16 *port2adr(unsigned int port) +{ +#if 0 + if (port >= 0x2000) + return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); +#endif + maybebadio(name,(unsigned long)port); + return (volatile __u16*)port; +} + + +/* In case someone configures the kernel w/o PCI support: in that */ +/* scenario, don't ever bother to check for PCI-window addresses */ + +/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ +#if defined(CONFIG_PCI) +#define CHECK_SH7751_PCIIO(port) \ + ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) +#else +#define CHECK_SH7751_PCIIO(port) (0) +#endif + +/* + * General outline: remap really low stuff [eventually] to SuperIO, + * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) + * is mapped through the PCI IO window. Stuff with high bits (PXSEG) + * should be way beyond the window, and is used w/o translation for + * compatibility. + */ + +unsigned char snapgear_inb(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned char *)PCI_IOMAP(port); + else + return (*port2adr(port))&0xff; +} + + +unsigned char snapgear_inb_p(unsigned long port) +{ + unsigned char v; + + if (PXSEG(port)) + v = *(volatile unsigned char *)port; + else if (CHECK_SH7751_PCIIO(port)) + v = *(volatile unsigned char *)PCI_IOMAP(port); + else + v = (*port2adr(port))&0xff; + delay(); + return v; +} + + +unsigned short snapgear_inw(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned short *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned short *)PCI_IOMAP(port); + else if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(inw, port); + return 0; +} + + +unsigned int snapgear_inl(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned long *)port; + else if (CHECK_SH7751_PCIIO(port)) + return *(volatile unsigned int *)PCI_IOMAP(port); + else if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(inl, port); + return 0; +} + + +void snapgear_outb(unsigned char value, unsigned long port) +{ + + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned char*)PCI_IOMAP(port)) = value; + else + *(port2adr(port)) = value; +} + + +void snapgear_outb_p(unsigned char value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned char*)PCI_IOMAP(port)) = value; + else + *(port2adr(port)) = value; + delay(); +} + + +void snapgear_outw(unsigned short value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned short *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned short *)PCI_IOMAP(port)) = value; + else if (port >= 0x2000) + *port2adr(port) = value; + else + maybebadio(outw, port); +} + + +void snapgear_outl(unsigned int value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned long *)port = value; + else if (CHECK_SH7751_PCIIO(port)) + *((unsigned long*)PCI_IOMAP(port)) = value; + else + maybebadio(outl, port); +} + +void snapgear_insl(unsigned long port, void *addr, unsigned long count) +{ + maybebadio(insl, port); +} + +void snapgear_outsl(unsigned long port, const void *addr, unsigned long count) +{ + maybebadio(outsw, port); +} + +/* Map ISA bus address to the real address. Only for PCMCIA. */ + + +/* ISA page descriptor. */ +static __u32 sh_isa_memmap[256]; + + +#if 0 +static int sh_isa_mmap(__u32 start, __u32 length, __u32 offset) +{ + int idx; + + if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000)) + return -1; + + idx = start >> 12; + sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff); +#if 0 + printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n", + start, length, offset, idx, sh_isa_memmap[idx]); +#endif + return 0; +} +#endif + +unsigned long snapgear_isa_port2addr(unsigned long offset) +{ + int idx; + + idx = (offset >> 12) & 0xff; + offset &= 0xfff; + return sh_isa_memmap[idx] + offset; +} diff --git a/arch/sh/boards/snapgear/rtc.c b/arch/sh/boards/snapgear/rtc.c new file mode 100644 index 0000000..b71e009 --- /dev/null +++ b/arch/sh/boards/snapgear/rtc.c @@ -0,0 +1,333 @@ +/****************************************************************************/ +/* + * linux/arch/sh/boards/snapgear/rtc.c -- Secureedge5410 RTC code + * + * Copyright (C) 2002 David McCullough <davidm@snapgear.com> + * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> + * + * The SecureEdge5410 can have one of 2 real time clocks, the SH + * built in version or the preferred external DS1302. Here we work out + * each to see what we have and then run with it. + */ +/****************************************************************************/ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/time.h> +#include <linux/rtc.h> +#include <linux/mc146818rtc.h> + +#include <asm/io.h> +#include <asm/rtc.h> +#include <asm/mc146818rtc.h> + +/****************************************************************************/ + +static int use_ds1302 = 0; + +/****************************************************************************/ +/* + * we need to implement a DS1302 driver here that can operate in + * conjunction with the builtin rtc driver which is already quite friendly + */ +/*****************************************************************************/ + +#define RTC_CMD_READ 0x81 /* Read command */ +#define RTC_CMD_WRITE 0x80 /* Write command */ + +#define RTC_ADDR_YEAR 0x06 /* Address of year register */ +#define RTC_ADDR_DAY 0x05 /* Address of day of week register */ +#define RTC_ADDR_MON 0x04 /* Address of month register */ +#define RTC_ADDR_DATE 0x03 /* Address of day of month register */ +#define RTC_ADDR_HOUR 0x02 /* Address of hour register */ +#define RTC_ADDR_MIN 0x01 /* Address of minute register */ +#define RTC_ADDR_SEC 0x00 /* Address of second register */ + +#define RTC_RESET 0x1000 +#define RTC_IODATA 0x0800 +#define RTC_SCLK 0x0400 + +#define set_dirp(x) +#define get_dirp(x) 0 +#define set_dp(x) SECUREEDGE_WRITE_IOPORT(x, 0x1c00) +#define get_dp(x) SECUREEDGE_READ_IOPORT() + +static void ds1302_sendbits(unsigned int val) +{ + int i; + + for (i = 8; (i); i--, val >>= 1) { + set_dp((get_dp() & ~RTC_IODATA) | ((val & 0x1) ? RTC_IODATA : 0)); + set_dp(get_dp() | RTC_SCLK); // clock high + set_dp(get_dp() & ~RTC_SCLK); // clock low + } +} + +static unsigned int ds1302_recvbits(void) +{ + unsigned int val; + int i; + + for (i = 0, val = 0; (i < 8); i++) { + val |= (((get_dp() & RTC_IODATA) ? 1 : 0) << i); + set_dp(get_dp() | RTC_SCLK); // clock high + set_dp(get_dp() & ~RTC_SCLK); // clock low + } + return(val); +} + +static unsigned int ds1302_readbyte(unsigned int addr) +{ + unsigned int val; + unsigned long flags; + +#if 0 + printk("SnapGear RTC: ds1302_readbyte(addr=%x)\n", addr); +#endif + + local_irq_save(flags); + set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK); + set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK)); + + set_dp(get_dp() | RTC_RESET); + ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_READ); + set_dirp(get_dirp() & ~RTC_IODATA); + val = ds1302_recvbits(); + set_dp(get_dp() & ~RTC_RESET); + local_irq_restore(flags); + + return(val); +} + +static void ds1302_writebyte(unsigned int addr, unsigned int val) +{ + unsigned long flags; + +#if 0 + printk("SnapGear RTC: ds1302_writebyte(addr=%x)\n", addr); +#endif + + local_irq_save(flags); + set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK); + set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK)); + set_dp(get_dp() | RTC_RESET); + ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_WRITE); + ds1302_sendbits(val); + set_dp(get_dp() & ~RTC_RESET); + local_irq_restore(flags); +} + +static void ds1302_reset(void) +{ + unsigned long flags; + /* Hardware dependant reset/init */ + local_irq_save(flags); + set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK); + set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK)); + local_irq_restore(flags); +} + +/*****************************************************************************/ + +static inline int bcd2int(int val) +{ + return((((val & 0xf0) >> 4) * 10) + (val & 0xf)); +} + +static inline int int2bcd(int val) +{ + return(((val / 10) << 4) + (val % 10)); +} + +/*****************************************************************************/ +/* + * Write and Read some RAM in the DS1302, if it works assume it's there + * Otherwise use the SH4 internal RTC + */ + +void snapgear_rtc_gettimeofday(struct timespec *); +int snapgear_rtc_settimeofday(const time_t); + +void __init secureedge5410_rtc_init(void) +{ + unsigned char *test = "snapgear"; + int i; + + ds1302_reset(); + + use_ds1302 = 1; + + for (i = 0; test[i]; i++) + ds1302_writebyte(32 + i, test[i]); + + for (i = 0; test[i]; i++) + if (ds1302_readbyte(32 + i) != test[i]) { + use_ds1302 = 0; + break; + } + + if (use_ds1302) { + rtc_get_time = snapgear_rtc_gettimeofday; + rtc_set_time = snapgear_rtc_settimeofday; + } else { + rtc_get_time = sh_rtc_gettimeofday; + rtc_set_time = sh_rtc_settimeofday; + } + + printk("SnapGear RTC: using %s rtc.\n", use_ds1302 ? "ds1302" : "internal"); +} + +/****************************************************************************/ +/* + * our generic interface that chooses the correct code to use + */ + +void snapgear_rtc_gettimeofday(struct timespec *ts) +{ + unsigned int sec, min, hr, day, mon, yr; + + if (!use_ds1302) { + sh_rtc_gettimeofday(ts); + return; + } + + sec = bcd2int(ds1302_readbyte(RTC_ADDR_SEC)); + min = bcd2int(ds1302_readbyte(RTC_ADDR_MIN)); + hr = bcd2int(ds1302_readbyte(RTC_ADDR_HOUR)); + day = bcd2int(ds1302_readbyte(RTC_ADDR_DATE)); + mon = bcd2int(ds1302_readbyte(RTC_ADDR_MON)); + yr = bcd2int(ds1302_readbyte(RTC_ADDR_YEAR)); + +bad_time: + if (yr > 99 || mon < 1 || mon > 12 || day > 31 || day < 1 || + hr > 23 || min > 59 || sec > 59) { + printk(KERN_ERR + "SnapGear RTC: invalid value, resetting to 1 Jan 2000\n"); + ds1302_writebyte(RTC_ADDR_MIN, min = 0); + ds1302_writebyte(RTC_ADDR_HOUR, hr = 0); + ds1302_writebyte(RTC_ADDR_DAY, 7); + ds1302_writebyte(RTC_ADDR_DATE, day = 1); + ds1302_writebyte(RTC_ADDR_MON, mon = 1); + ds1302_writebyte(RTC_ADDR_YEAR, yr = 0); + ds1302_writebyte(RTC_ADDR_SEC, sec = 0); + } + + ts->tv_sec = mktime(2000 + yr, mon, day, hr, min, sec); + if (ts->tv_sec < 0) { +#if 0 + printk("BAD TIME %d %d %d %d %d %d\n", yr, mon, day, hr, min, sec); +#endif + yr = 100; + goto bad_time; + } + ts->tv_nsec = 0; +} + +int snapgear_rtc_settimeofday(const time_t secs) +{ + int retval = 0; + int real_seconds, real_minutes, cmos_minutes; + unsigned long nowtime; + + if (!use_ds1302) + return sh_rtc_settimeofday(secs); + +/* + * This is called direct from the kernel timer handling code. + * It is supposed to synchronize the kernel clock to the RTC. + */ + + nowtime = secs; + +#if 1 + printk("SnapGear RTC: snapgear_rtc_settimeofday(nowtime=%ld)\n", nowtime); +#endif + + /* STOP RTC */ + ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) | 0x80); + + cmos_minutes = bcd2int(ds1302_readbyte(RTC_ADDR_MIN)); + + /* + * since we're only adjusting minutes and seconds, + * don't interfere with hour overflow. This avoids + * messing with unknown time zones but requires your + * RTC not to be off by more than 15 minutes + */ + real_seconds = nowtime % 60; + real_minutes = nowtime / 60; + if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) + real_minutes += 30; /* correct for half hour time zone */ + real_minutes %= 60; + + if (abs(real_minutes - cmos_minutes) < 30) { + ds1302_writebyte(RTC_ADDR_MIN, int2bcd(real_minutes)); + ds1302_writebyte(RTC_ADDR_SEC, int2bcd(real_seconds)); + } else { + printk(KERN_WARNING + "SnapGear RTC: can't update from %d to %d\n", + cmos_minutes, real_minutes); + retval = -1; + } + + /* START RTC */ + ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) & ~0x80); + return(0); +} + +unsigned char secureedge5410_cmos_read(int addr) +{ + unsigned char val = 0; + + if (!use_ds1302) + return(__CMOS_READ(addr, w)); + + switch(addr) { + case RTC_SECONDS: val = ds1302_readbyte(RTC_ADDR_SEC); break; + case RTC_SECONDS_ALARM: break; + case RTC_MINUTES: val = ds1302_readbyte(RTC_ADDR_MIN); break; + case RTC_MINUTES_ALARM: break; + case RTC_HOURS: val = ds1302_readbyte(RTC_ADDR_HOUR); break; + case RTC_HOURS_ALARM: break; + case RTC_DAY_OF_WEEK: val = ds1302_readbyte(RTC_ADDR_DAY); break; + case RTC_DAY_OF_MONTH: val = ds1302_readbyte(RTC_ADDR_DATE); break; + case RTC_MONTH: val = ds1302_readbyte(RTC_ADDR_MON); break; + case RTC_YEAR: val = ds1302_readbyte(RTC_ADDR_YEAR); break; + case RTC_REG_A: /* RTC_FREQ_SELECT */ break; + case RTC_REG_B: /* RTC_CONTROL */ break; + case RTC_REG_C: /* RTC_INTR_FLAGS */ break; + case RTC_REG_D: val = RTC_VRT /* RTC_VALID */; break; + default: break; + } + + return(val); +} + +void secureedge5410_cmos_write(unsigned char val, int addr) +{ + if (!use_ds1302) { + __CMOS_WRITE(val, addr, w); + return; + } + + switch(addr) { + case RTC_SECONDS: ds1302_writebyte(RTC_ADDR_SEC, val); break; + case RTC_SECONDS_ALARM: break; + case RTC_MINUTES: ds1302_writebyte(RTC_ADDR_MIN, val); break; + case RTC_MINUTES_ALARM: break; + case RTC_HOURS: ds1302_writebyte(RTC_ADDR_HOUR, val); break; + case RTC_HOURS_ALARM: break; + case RTC_DAY_OF_WEEK: ds1302_writebyte(RTC_ADDR_DAY, val); break; + case RTC_DAY_OF_MONTH: ds1302_writebyte(RTC_ADDR_DATE, val); break; + case RTC_MONTH: ds1302_writebyte(RTC_ADDR_MON, val); break; + case RTC_YEAR: ds1302_writebyte(RTC_ADDR_YEAR, val); break; + case RTC_REG_A: /* RTC_FREQ_SELECT */ break; + case RTC_REG_B: /* RTC_CONTROL */ break; + case RTC_REG_C: /* RTC_INTR_FLAGS */ break; + case RTC_REG_D: /* RTC_VALID */ break; + default: break; + } +} + +/****************************************************************************/ diff --git a/arch/sh/boards/snapgear/setup.c b/arch/sh/boards/snapgear/setup.c new file mode 100644 index 0000000..08fc983 --- /dev/null +++ b/arch/sh/boards/snapgear/setup.c @@ -0,0 +1,216 @@ +/****************************************************************************/ +/* + * linux/arch/sh/boards/snapgear/setup.c + * + * Copyright (C) 2002 David McCullough <davidm@snapgear.com> + * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> + * + * Based on files with the following comments: + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Modified for 7751 Solution Engine by + * Ian da Silva and Jeremy Siegel, 2001. + */ +/****************************************************************************/ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/timer.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/sched.h> + +#include <asm/machvec.h> +#include <asm/mach/io.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <asm/cpu/timer.h> + +extern void (*board_time_init)(void); +extern void secureedge5410_rtc_init(void); +extern void pcibios_init(void); + +/****************************************************************************/ +/* + * EraseConfig handling functions + */ + +static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + volatile char dummy __attribute__((unused)) = * (volatile char *) 0xb8000000; + + printk("SnapGear: erase switch interrupt!\n"); + + return IRQ_HANDLED; +} + +static int __init eraseconfig_init(void) +{ + printk("SnapGear: EraseConfig init\n"); + /* Setup "EraseConfig" switch on external IRQ 0 */ + if (request_irq(IRL0_IRQ, eraseconfig_interrupt, SA_INTERRUPT, + "Erase Config", NULL)) + printk("SnapGear: failed to register IRQ%d for Reset witch\n", + IRL0_IRQ); + else + printk("SnapGear: registered EraseConfig switch on IRQ%d\n", + IRL0_IRQ); + return(0); +} + +module_init(eraseconfig_init); + +/****************************************************************************/ +/* + * Initialize IRQ setting + * + * IRL0 = erase switch + * IRL1 = eth0 + * IRL2 = eth1 + * IRL3 = crypto + */ + +static void __init init_snapgear_IRQ(void) +{ + /* enable individual interrupt mode for externals */ + ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); + + printk("Setup SnapGear IRQ/IPR ...\n"); + + make_ipr_irq(IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY); + make_ipr_irq(IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY); + make_ipr_irq(IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY); + make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY); +} + +/****************************************************************************/ +/* + * Fast poll interrupt simulator. + */ + +/* + * Leave all of the fast timer/fast poll stuff commented out for now, since + * it's not clear whether it actually works or not. Since it wasn't being used + * at all in 2.4, we'll assume it's not sane for 2.6 either.. -- PFM + */ +#if 0 +#define FAST_POLL 1000 +//#define FAST_POLL_INTR + +#define FASTTIMER_IRQ 17 +#define FASTTIMER_IPR_ADDR INTC_IPRA +#define FASTTIMER_IPR_POS 2 +#define FASTTIMER_PRIORITY 3 + +#ifdef FAST_POLL_INTR +#define TMU1_TCR_INIT 0x0020 +#else +#define TMU1_TCR_INIT 0 +#endif +#define TMU_TSTR_INIT 1 +#define TMU1_TCR_CALIB 0x0000 + + +#ifdef FAST_POLL_INTR +static void fast_timer_irq(int irq, void *dev_instance, struct pt_regs *regs) +{ + unsigned long timer_status; + timer_status = ctrl_inw(TMU1_TCR); + timer_status &= ~0x100; + ctrl_outw(timer_status, TMU1_TCR); +} +#endif + +/* + * return the current ticks on the fast timer + */ + +unsigned long fast_timer_count(void) +{ + return(ctrl_inl(TMU1_TCNT)); +} + +/* + * setup a fast timer for profiling etc etc + */ + +static void setup_fast_timer() +{ + unsigned long interval; + +#ifdef FAST_POLL_INTR + interval = (current_cpu_data.module_clock/4 + FAST_POLL/2) / FAST_POLL; + + make_ipr_irq(FASTTIMER_IRQ, FASTTIMER_IPR_ADDR, FASTTIMER_IPR_POS, + FASTTIMER_PRIORITY); + + printk("SnapGear: %dHz fast timer on IRQ %d\n",FAST_POLL,FASTTIMER_IRQ); + + if (request_irq(FASTTIMER_IRQ, fast_timer_irq, 0, "SnapGear fast timer", + NULL) != 0) + printk("%s(%d): request_irq() failed?\n", __FILE__, __LINE__); +#else + printk("SnapGear: fast timer running\n",FAST_POLL,FASTTIMER_IRQ); + interval = 0xffffffff; +#endif + + ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x2, TMU_TSTR); /* disable timer 1 */ + ctrl_outw(TMU1_TCR_INIT, TMU1_TCR); + ctrl_outl(interval, TMU1_TCOR); + ctrl_outl(interval, TMU1_TCNT); + ctrl_outb(ctrl_inb(TMU_TSTR) | 0x2, TMU_TSTR); /* enable timer 1 */ + + printk("Timer count 1 = 0x%x\n", fast_timer_count()); + udelay(1000); + printk("Timer count 2 = 0x%x\n", fast_timer_count()); +} +#endif + +/****************************************************************************/ + +const char *get_system_type(void) +{ + return "SnapGear SecureEdge5410"; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_snapgear __initmv = { + .mv_nr_irqs = 72, + + .mv_inb = snapgear_inb, + .mv_inw = snapgear_inw, + .mv_inl = snapgear_inl, + .mv_outb = snapgear_outb, + .mv_outw = snapgear_outw, + .mv_outl = snapgear_outl, + + .mv_inb_p = snapgear_inb_p, + .mv_inw_p = snapgear_inw, + .mv_inl_p = snapgear_inl, + .mv_outb_p = snapgear_outb_p, + .mv_outw_p = snapgear_outw, + .mv_outl_p = snapgear_outl, + + .mv_isa_port2addr = snapgear_isa_port2addr, + + .mv_init_irq = init_snapgear_IRQ, +}; +ALIAS_MV(snapgear) + +/* + * Initialize the board + */ + +int __init platform_setup(void) +{ + board_time_init = secureedge5410_rtc_init; + + return 0; +} + diff --git a/arch/sh/boards/superh/microdev/Makefile b/arch/sh/boards/superh/microdev/Makefile new file mode 100644 index 0000000..1387dd6c --- /dev/null +++ b/arch/sh/boards/superh/microdev/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the SuperH MicroDev specific parts of the kernel +# + +obj-y := setup.o irq.o io.o + +obj-$(CONFIG_HEARTBEAT) += led.o + diff --git a/arch/sh/boards/superh/microdev/io.c b/arch/sh/boards/superh/microdev/io.c new file mode 100644 index 0000000..fe83b2c --- /dev/null +++ b/arch/sh/boards/superh/microdev/io.c @@ -0,0 +1,370 @@ +/* + * linux/arch/sh/kernel/io_microdev.c + * + * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com) + * Copyright (C) 2003, 2004 SuperH, Inc. + * Copyright (C) 2004 Paul Mundt + * + * SuperH SH4-202 MicroDev board support. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/wait.h> +#include <asm/io.h> +#include <asm/mach/io.h> + + /* + * we need to have a 'safe' address to re-direct all I/O requests + * that we do not explicitly wish to handle. This safe address + * must have the following properies: + * + * * writes are ignored (no exception) + * * reads are benign (no side-effects) + * * accesses of width 1, 2 and 4-bytes are all valid. + * + * The Processor Version Register (PVR) has these properties. + */ +#define PVR 0xff000030 /* Processor Version Register */ + + +#define IO_IDE2_BASE 0x170ul /* I/O base for SMSC FDC37C93xAPM IDE #2 */ +#define IO_IDE1_BASE 0x1f0ul /* I/O base for SMSC FDC37C93xAPM IDE #1 */ +#define IO_ISP1161_BASE 0x290ul /* I/O port for Philips ISP1161x USB chip */ +#define IO_SERIAL2_BASE 0x2f8ul /* I/O base for SMSC FDC37C93xAPM Serial #2 */ +#define IO_LAN91C111_BASE 0x300ul /* I/O base for SMSC LAN91C111 Ethernet chip */ +#define IO_IDE2_MISC 0x376ul /* I/O misc for SMSC FDC37C93xAPM IDE #2 */ +#define IO_SUPERIO_BASE 0x3f0ul /* I/O base for SMSC FDC37C93xAPM SuperIO chip */ +#define IO_IDE1_MISC 0x3f6ul /* I/O misc for SMSC FDC37C93xAPM IDE #1 */ +#define IO_SERIAL1_BASE 0x3f8ul /* I/O base for SMSC FDC37C93xAPM Serial #1 */ + +#define IO_ISP1161_EXTENT 0x04ul /* I/O extent for Philips ISP1161x USB chip */ +#define IO_LAN91C111_EXTENT 0x10ul /* I/O extent for SMSC LAN91C111 Ethernet chip */ +#define IO_SUPERIO_EXTENT 0x02ul /* I/O extent for SMSC FDC37C93xAPM SuperIO chip */ +#define IO_IDE_EXTENT 0x08ul /* I/O extent for IDE Task Register set */ +#define IO_SERIAL_EXTENT 0x10ul + +#define IO_LAN91C111_PHYS 0xa7500000ul /* Physical address of SMSC LAN91C111 Ethernet chip */ +#define IO_ISP1161_PHYS 0xa7700000ul /* Physical address of Philips ISP1161x USB chip */ +#define IO_SUPERIO_PHYS 0xa7800000ul /* Physical address of SMSC FDC37C93xAPM SuperIO chip */ + +#define PORT2ADDR(x) (microdev_isa_port2addr(x)) + + +static inline void delay(void) +{ +#if defined(CONFIG_PCI) + /* System board present, just make a dummy SRAM access. (CS0 will be + mapped to PCI memory, probably good to avoid it.) */ + ctrl_inw(0xa6800000); +#else + /* CS0 will be mapped to flash, ROM etc so safe to access it. */ + ctrl_inw(0xa0000000); +#endif +} + +unsigned char microdev_inb(unsigned long port) +{ +#ifdef CONFIG_PCI + if (port >= PCIBIOS_MIN_IO) + return microdev_pci_inb(port); +#endif + return *(volatile unsigned char*)PORT2ADDR(port); +} + +unsigned short microdev_inw(unsigned long port) +{ +#ifdef CONFIG_PCI + if (port >= PCIBIOS_MIN_IO) + return microdev_pci_inw(port); +#endif + return *(volatile unsigned short*)PORT2ADDR(port); +} + +unsigned int microdev_inl(unsigned long port) +{ +#ifdef CONFIG_PCI + if (port >= PCIBIOS_MIN_IO) + return microdev_pci_inl(port); +#endif + return *(volatile unsigned int*)PORT2ADDR(port); +} + +void microdev_outb(unsigned char b, unsigned long port) +{ +#ifdef CONFIG_PCI + if (port >= PCIBIOS_MIN_IO) { + microdev_pci_outb(b, port); + return; + } +#endif + + /* + * There is a board feature with the current SH4-202 MicroDev in + * that the 2 byte enables (nBE0 and nBE1) are tied together (and + * to the Chip Select Line (Ethernet_CS)). Due to this conectivity, + * it is not possible to safely perform 8-bit writes to the + * Ethernet registers, as 16-bits will be consumed from the Data + * lines (corrupting the other byte). Hence, this function is + * written to impliment 16-bit read/modify/write for all byte-wide + * acceses. + * + * Note: there is no problem with byte READS (even or odd). + * + * Sean McGoogan - 16th June 2003. + */ + if ((port >= IO_LAN91C111_BASE) && + (port < IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) { + /* + * Then are trying to perform a byte-write to the + * LAN91C111. This needs special care. + */ + if (port % 2 == 1) { /* is the port odd ? */ + /* unset bit-0, i.e. make even */ + const unsigned long evenPort = port-1; + unsigned short word; + + /* + * do a 16-bit read/write to write to 'port', + * preserving even byte. + * + * Even addresses are bits 0-7 + * Odd addresses are bits 8-15 + */ + word = microdev_inw(evenPort); + word = (word & 0xffu) | (b << 8); + microdev_outw(word, evenPort); + } else { + /* else, we are trying to do an even byte write */ + unsigned short word; + + /* + * do a 16-bit read/write to write to 'port', + * preserving odd byte. + * + * Even addresses are bits 0-7 + * Odd addresses are bits 8-15 + */ + word = microdev_inw(port); + word = (word & 0xff00u) | (b); + microdev_outw(word, port); + } + } else { + *(volatile unsigned char*)PORT2ADDR(port) = b; + } +} + +void microdev_outw(unsigned short b, unsigned long port) +{ +#ifdef CONFIG_PCI + if (port >= PCIBIOS_MIN_IO) { + microdev_pci_outw(b, port); + return; + } +#endif + *(volatile unsigned short*)PORT2ADDR(port) = b; +} + +void microdev_outl(unsigned int b, unsigned long port) +{ +#ifdef CONFIG_PCI + if (port >= PCIBIOS_MIN_IO) { + microdev_pci_outl(b, port); + return; + } +#endif + *(volatile unsigned int*)PORT2ADDR(port) = b; +} + +unsigned char microdev_inb_p(unsigned long port) +{ + unsigned char v = microdev_inb(port); + delay(); + return v; +} + +unsigned short microdev_inw_p(unsigned long port) +{ + unsigned short v = microdev_inw(port); + delay(); + return v; +} + +unsigned int microdev_inl_p(unsigned long port) +{ + unsigned int v = microdev_inl(port); + delay(); + return v; +} + +void microdev_outb_p(unsigned char b, unsigned long port) +{ + microdev_outb(b, port); + delay(); +} + +void microdev_outw_p(unsigned short b, unsigned long port) +{ + microdev_outw(b, port); + delay(); +} + +void microdev_outl_p(unsigned int b, unsigned long port) +{ + microdev_outl(b, port); + delay(); +} + +void microdev_insb(unsigned long port, void *buffer, unsigned long count) +{ + volatile unsigned char *port_addr; + unsigned char *buf = buffer; + + port_addr = (volatile unsigned char *)PORT2ADDR(port); + + while (count--) + *buf++ = *port_addr; +} + +void microdev_insw(unsigned long port, void *buffer, unsigned long count) +{ + volatile unsigned short *port_addr; + unsigned short *buf = buffer; + + port_addr = (volatile unsigned short *)PORT2ADDR(port); + + while (count--) + *buf++ = *port_addr; +} + +void microdev_insl(unsigned long port, void *buffer, unsigned long count) +{ + volatile unsigned long *port_addr; + unsigned int *buf = buffer; + + port_addr = (volatile unsigned long *)PORT2ADDR(port); + + while (count--) + *buf++ = *port_addr; +} + +void microdev_outsb(unsigned long port, const void *buffer, unsigned long count) +{ + volatile unsigned char *port_addr; + const unsigned char *buf = buffer; + + port_addr = (volatile unsigned char *)PORT2ADDR(port); + + while (count--) + *port_addr = *buf++; +} + +void microdev_outsw(unsigned long port, const void *buffer, unsigned long count) +{ + volatile unsigned short *port_addr; + const unsigned short *buf = buffer; + + port_addr = (volatile unsigned short *)PORT2ADDR(port); + + while (count--) + *port_addr = *buf++; +} + +void microdev_outsl(unsigned long port, const void *buffer, unsigned long count) +{ + volatile unsigned long *port_addr; + const unsigned int *buf = buffer; + + port_addr = (volatile unsigned long *)PORT2ADDR(port); + + while (count--) + *port_addr = *buf++; +} + +/* + * map I/O ports to memory-mapped addresses + */ +unsigned long microdev_isa_port2addr(unsigned long offset) +{ + unsigned long result; + + if ((offset >= IO_LAN91C111_BASE) && + (offset < IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) { + /* + * SMSC LAN91C111 Ethernet chip + */ + result = IO_LAN91C111_PHYS + offset - IO_LAN91C111_BASE; + } else if ((offset >= IO_SUPERIO_BASE) && + (offset < IO_SUPERIO_BASE + IO_SUPERIO_EXTENT)) { + /* + * SMSC FDC37C93xAPM SuperIO chip + * + * Configuration Registers + */ + result = IO_SUPERIO_PHYS + (offset << 1); +#if 0 + } else if (offset == KBD_DATA_REG || offset == KBD_CNTL_REG || + offset == KBD_STATUS_REG) { + /* + * SMSC FDC37C93xAPM SuperIO chip + * + * PS/2 Keyboard + Mouse (ports 0x60 and 0x64). + */ + result = IO_SUPERIO_PHYS + (offset << 1); +#endif + } else if (((offset >= IO_IDE1_BASE) && + (offset < IO_IDE1_BASE + IO_IDE_EXTENT)) || + (offset == IO_IDE1_MISC)) { + /* + * SMSC FDC37C93xAPM SuperIO chip + * + * IDE #1 + */ + result = IO_SUPERIO_PHYS + (offset << 1); + } else if (((offset >= IO_IDE2_BASE) && + (offset < IO_IDE2_BASE + IO_IDE_EXTENT)) || + (offset == IO_IDE2_MISC)) { + /* + * SMSC FDC37C93xAPM SuperIO chip + * + * IDE #2 + */ + result = IO_SUPERIO_PHYS + (offset << 1); + } else if ((offset >= IO_SERIAL1_BASE) && + (offset < IO_SERIAL1_BASE + IO_SERIAL_EXTENT)) { + /* + * SMSC FDC37C93xAPM SuperIO chip + * + * Serial #1 + */ + result = IO_SUPERIO_PHYS + (offset << 1); + } else if ((offset >= IO_SERIAL2_BASE) && + (offset < IO_SERIAL2_BASE + IO_SERIAL_EXTENT)) { + /* + * SMSC FDC37C93xAPM SuperIO chip + * + * Serial #2 + */ + result = IO_SUPERIO_PHYS + (offset << 1); + } else if ((offset >= IO_ISP1161_BASE) && + (offset < IO_ISP1161_BASE + IO_ISP1161_EXTENT)) { + /* + * Philips USB ISP1161x chip + */ + result = IO_ISP1161_PHYS + offset - IO_ISP1161_BASE; + } else { + /* + * safe default. + */ + printk("Warning: unexpected port in %s( offset = 0x%lx )\n", + __FUNCTION__, offset); + result = PVR; + } + + return result; +} + diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c new file mode 100644 index 0000000..1298883 --- /dev/null +++ b/arch/sh/boards/superh/microdev/irq.c @@ -0,0 +1,200 @@ +/* + * arch/sh/boards/superh/microdev/irq.c + * + * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com) + * + * SuperH SH4-202 MicroDev board support. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/system.h> +#include <asm/io.h> +#include <asm/mach/irq.h> + +#define NUM_EXTERNAL_IRQS 16 /* IRL0 .. IRL15 */ + + +static const struct { + unsigned char fpgaIrq; + unsigned char mapped; + const char *name; +} fpgaIrqTable[NUM_EXTERNAL_IRQS] = { + { 0, 0, "unused" }, /* IRQ #0 IRL=15 0x200 */ + { MICRODEV_FPGA_IRQ_KEYBOARD, 1, "keyboard" }, /* IRQ #1 IRL=14 0x220 */ + { MICRODEV_FPGA_IRQ_SERIAL1, 1, "Serial #1"}, /* IRQ #2 IRL=13 0x240 */ + { MICRODEV_FPGA_IRQ_ETHERNET, 1, "Ethernet" }, /* IRQ #3 IRL=12 0x260 */ + { MICRODEV_FPGA_IRQ_SERIAL2, 0, "Serial #2"}, /* IRQ #4 IRL=11 0x280 */ + { 0, 0, "unused" }, /* IRQ #5 IRL=10 0x2a0 */ + { 0, 0, "unused" }, /* IRQ #6 IRL=9 0x2c0 */ + { MICRODEV_FPGA_IRQ_USB_HC, 1, "USB" }, /* IRQ #7 IRL=8 0x2e0 */ + { MICRODEV_IRQ_PCI_INTA, 1, "PCI INTA" }, /* IRQ #8 IRL=7 0x300 */ + { MICRODEV_IRQ_PCI_INTB, 1, "PCI INTB" }, /* IRQ #9 IRL=6 0x320 */ + { MICRODEV_IRQ_PCI_INTC, 1, "PCI INTC" }, /* IRQ #10 IRL=5 0x340 */ + { MICRODEV_IRQ_PCI_INTD, 1, "PCI INTD" }, /* IRQ #11 IRL=4 0x360 */ + { MICRODEV_FPGA_IRQ_MOUSE, 1, "mouse" }, /* IRQ #12 IRL=3 0x380 */ + { MICRODEV_FPGA_IRQ_IDE2, 1, "IDE #2" }, /* IRQ #13 IRL=2 0x3a0 */ + { MICRODEV_FPGA_IRQ_IDE1, 1, "IDE #1" }, /* IRQ #14 IRL=1 0x3c0 */ + { 0, 0, "unused" }, /* IRQ #15 IRL=0 0x3e0 */ +}; + +#if (MICRODEV_LINUX_IRQ_KEYBOARD != 1) +# error Inconsistancy in defining the IRQ# for Keyboard! +#endif + +#if (MICRODEV_LINUX_IRQ_ETHERNET != 3) +# error Inconsistancy in defining the IRQ# for Ethernet! +#endif + +#if (MICRODEV_LINUX_IRQ_USB_HC != 7) +# error Inconsistancy in defining the IRQ# for USB! +#endif + +#if (MICRODEV_LINUX_IRQ_MOUSE != 12) +# error Inconsistancy in defining the IRQ# for PS/2 Mouse! +#endif + +#if (MICRODEV_LINUX_IRQ_IDE2 != 13) +# error Inconsistancy in defining the IRQ# for secondary IDE! +#endif + +#if (MICRODEV_LINUX_IRQ_IDE1 != 14) +# error Inconsistancy in defining the IRQ# for primary IDE! +#endif + +static void enable_microdev_irq(unsigned int irq); +static void disable_microdev_irq(unsigned int irq); + + /* shutdown is same as "disable" */ +#define shutdown_microdev_irq disable_microdev_irq + +static void mask_and_ack_microdev(unsigned int); +static void end_microdev_irq(unsigned int irq); + +static unsigned int startup_microdev_irq(unsigned int irq) +{ + enable_microdev_irq(irq); + return 0; /* never anything pending */ +} + +static struct hw_interrupt_type microdev_irq_type = { + "MicroDev-IRQ", + startup_microdev_irq, + shutdown_microdev_irq, + enable_microdev_irq, + disable_microdev_irq, + mask_and_ack_microdev, + end_microdev_irq +}; + +static void disable_microdev_irq(unsigned int irq) +{ + unsigned int flags; + unsigned int fpgaIrq; + + if (irq >= NUM_EXTERNAL_IRQS) return; + if (!fpgaIrqTable[irq].mapped) return; + + fpgaIrq = fpgaIrqTable[irq].fpgaIrq; + + /* disable interrupts */ + local_irq_save(flags); + + /* disable interupts on the FPGA INTC register */ + ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG); + + /* restore interrupts */ + local_irq_restore(flags); +} + +static void enable_microdev_irq(unsigned int irq) +{ + unsigned long priorityReg, priorities, pri; + unsigned int flags; + unsigned int fpgaIrq; + + + if (irq >= NUM_EXTERNAL_IRQS) return; + if (!fpgaIrqTable[irq].mapped) return; + + pri = 15 - irq; + + fpgaIrq = fpgaIrqTable[irq].fpgaIrq; + priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq); + + /* disable interrupts */ + local_irq_save(flags); + + /* set priority for the interrupt */ + priorities = ctrl_inl(priorityReg); + priorities &= ~MICRODEV_FPGA_INTPRI_MASK(fpgaIrq); + priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri); + ctrl_outl(priorities, priorityReg); + + /* enable interupts on the FPGA INTC register */ + ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG); + + /* restore interrupts */ + local_irq_restore(flags); +} + + /* This functions sets the desired irq handler to be a MicroDev type */ +static void __init make_microdev_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = µdev_irq_type; + disable_microdev_irq(irq); +} + +static void mask_and_ack_microdev(unsigned int irq) +{ + disable_microdev_irq(irq); +} + +static void end_microdev_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) + { + enable_microdev_irq(irq); + } +} + +extern void __init init_microdev_irq(void) +{ + int i; + + /* disable interupts on the FPGA INTC register */ + ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG); + + for (i = 0; i < NUM_EXTERNAL_IRQS; i++) + { + make_microdev_irq(i); + } +} + +extern void microdev_print_fpga_intc_status(void) +{ + volatile unsigned int * const intenb = (unsigned int*)MICRODEV_FPGA_INTENB_REG; + volatile unsigned int * const intdsb = (unsigned int*)MICRODEV_FPGA_INTDSB_REG; + volatile unsigned int * const intpria = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(0); + volatile unsigned int * const intprib = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(8); + volatile unsigned int * const intpric = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(16); + volatile unsigned int * const intprid = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(24); + volatile unsigned int * const intsrc = (unsigned int*)MICRODEV_FPGA_INTSRC_REG; + volatile unsigned int * const intreq = (unsigned int*)MICRODEV_FPGA_INTREQ_REG; + + printk("-------------------------- microdev_print_fpga_intc_status() ------------------\n"); + printk("FPGA_INTENB = 0x%08x\n", *intenb); + printk("FPGA_INTDSB = 0x%08x\n", *intdsb); + printk("FPGA_INTSRC = 0x%08x\n", *intsrc); + printk("FPGA_INTREQ = 0x%08x\n", *intreq); + printk("FPGA_INTPRI[3..0] = %08x:%08x:%08x:%08x\n", *intprid, *intpric, *intprib, *intpria); + printk("-------------------------------------------------------------------------------\n"); +} + + diff --git a/arch/sh/boards/superh/microdev/led.c b/arch/sh/boards/superh/microdev/led.c new file mode 100644 index 0000000..52a98e6 --- /dev/null +++ b/arch/sh/boards/superh/microdev/led.c @@ -0,0 +1,102 @@ +/* + * linux/arch/sh/kernel/led_microdev.c + * + * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com> + * Copyright (C) 2003 Richard Curnow (Richard.Curnow@superh.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + */ + +#include <linux/config.h> +#include <asm/io.h> + +#define LED_REGISTER 0xa6104d20 + +static void mach_led_d9(int value) +{ + unsigned long reg; + reg = ctrl_inl(LED_REGISTER); + reg &= ~1; + reg |= (value & 1); + ctrl_outl(reg, LED_REGISTER); + return; +} + +static void mach_led_d10(int value) +{ + unsigned long reg; + reg = ctrl_inl(LED_REGISTER); + reg &= ~2; + reg |= ((value & 1) << 1); + ctrl_outl(reg, LED_REGISTER); + return; +} + + +#ifdef CONFIG_HEARTBEAT +#include <linux/sched.h> + +static unsigned char banner_table[] = { + 0x11, 0x01, 0x11, 0x01, 0x11, 0x03, + 0x11, 0x01, 0x11, 0x01, 0x13, 0x03, + 0x11, 0x01, 0x13, 0x01, 0x13, 0x01, 0x11, 0x03, + 0x11, 0x03, + 0x11, 0x01, 0x13, 0x01, 0x11, 0x03, + 0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x11, 0x07, + 0x13, 0x01, 0x13, 0x03, + 0x11, 0x01, 0x11, 0x03, + 0x13, 0x01, 0x11, 0x01, 0x13, 0x01, 0x11, 0x03, + 0x11, 0x01, 0x13, 0x01, 0x11, 0x03, + 0x13, 0x01, 0x13, 0x01, 0x13, 0x03, + 0x13, 0x01, 0x11, 0x01, 0x11, 0x03, + 0x11, 0x03, + 0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x13, 0x07, + 0xff +}; + +static void banner(void) +{ + static int pos = 0; + static int count = 0; + + if (count) { + count--; + } else { + int val = banner_table[pos]; + if (val == 0xff) { + pos = 0; + val = banner_table[pos]; + } + pos++; + mach_led_d10((val >> 4) & 1); + count = 10 * (val & 0xf); + } +} + +/* From heartbeat_harp in the stboards directory */ +/* acts like an actual heart beat -- ie thump-thump-pause... */ +void microdev_heartbeat(void) +{ + static unsigned cnt = 0, period = 0, dist = 0; + + if (cnt == 0 || cnt == dist) + mach_led_d9(1); + else if (cnt == 7 || cnt == dist+7) + mach_led_d9(0); + + if (++cnt > period) { + cnt = 0; + /* The hyperbolic function below modifies the heartbeat period + * length in dependency of the current (5min) load. It goes + * through the points f(0)=126, f(1)=86, f(5)=51, + * f(inf)->30. */ + period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; + dist = period / 4; + } + + banner(); +} + +#endif diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c new file mode 100644 index 0000000..c189199 --- /dev/null +++ b/arch/sh/boards/superh/microdev/setup.c @@ -0,0 +1,278 @@ +/* + * arch/sh/boards/superh/microdev/setup.c + * + * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com) + * Copyright (C) 2003, 2004 SuperH, Inc. + * Copyright (C) 2004 Paul Mundt + * + * SuperH SH4-202 MicroDev board support. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/ioport.h> +#include <asm/io.h> +#include <asm/mach/irq.h> +#include <asm/mach/io.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> + +extern void microdev_heartbeat(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_sh4202_microdev __initmv = { + .mv_nr_irqs = 72, /* QQQ need to check this - use the MACRO */ + + .mv_inb = microdev_inb, + .mv_inw = microdev_inw, + .mv_inl = microdev_inl, + .mv_outb = microdev_outb, + .mv_outw = microdev_outw, + .mv_outl = microdev_outl, + + .mv_inb_p = microdev_inb_p, + .mv_inw_p = microdev_inw_p, + .mv_inl_p = microdev_inl_p, + .mv_outb_p = microdev_outb_p, + .mv_outw_p = microdev_outw_p, + .mv_outl_p = microdev_outl_p, + + .mv_insb = microdev_insb, + .mv_insw = microdev_insw, + .mv_insl = microdev_insl, + .mv_outsb = microdev_outsb, + .mv_outsw = microdev_outsw, + .mv_outsl = microdev_outsl, + + .mv_isa_port2addr = microdev_isa_port2addr, + + .mv_init_irq = init_microdev_irq, + +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = microdev_heartbeat, +#endif +}; +ALIAS_MV(sh4202_microdev) + +/****************************************************************************/ + + + /* + * Setup for the SMSC FDC37C93xAPM + */ +#define SMSC_CONFIG_PORT_ADDR (0x3F0) +#define SMSC_INDEX_PORT_ADDR SMSC_CONFIG_PORT_ADDR +#define SMSC_DATA_PORT_ADDR (SMSC_INDEX_PORT_ADDR + 1) + +#define SMSC_ENTER_CONFIG_KEY 0x55 +#define SMSC_EXIT_CONFIG_KEY 0xaa + +#define SMCS_LOGICAL_DEV_INDEX 0x07 /* Logical Device Number */ +#define SMSC_DEVICE_ID_INDEX 0x20 /* Device ID */ +#define SMSC_DEVICE_REV_INDEX 0x21 /* Device Revision */ +#define SMSC_ACTIVATE_INDEX 0x30 /* Activate */ +#define SMSC_PRIMARY_BASE_INDEX 0x60 /* Primary Base Address */ +#define SMSC_SECONDARY_BASE_INDEX 0x62 /* Secondary Base Address */ +#define SMSC_PRIMARY_INT_INDEX 0x70 /* Primary Interrupt Select */ +#define SMSC_SECONDARY_INT_INDEX 0x72 /* Secondary Interrupt Select */ +#define SMSC_HDCS0_INDEX 0xf0 /* HDCS0 Address Decoder */ +#define SMSC_HDCS1_INDEX 0xf1 /* HDCS1 Address Decoder */ + +#define SMSC_IDE1_DEVICE 1 /* IDE #1 logical device */ +#define SMSC_IDE2_DEVICE 2 /* IDE #2 logical device */ +#define SMSC_PARALLEL_DEVICE 3 /* Parallel Port logical device */ +#define SMSC_SERIAL1_DEVICE 4 /* Serial #1 logical device */ +#define SMSC_SERIAL2_DEVICE 5 /* Serial #2 logical device */ +#define SMSC_KEYBOARD_DEVICE 7 /* Keyboard logical device */ +#define SMSC_CONFIG_REGISTERS 8 /* Configuration Registers (Aux I/O) */ + +#define SMSC_READ_INDEXED(index) ({ \ + outb((index), SMSC_INDEX_PORT_ADDR); \ + inb(SMSC_DATA_PORT_ADDR); }) +#define SMSC_WRITE_INDEXED(val, index) ({ \ + outb((index), SMSC_INDEX_PORT_ADDR); \ + outb((val), SMSC_DATA_PORT_ADDR); }) + +#define IDE1_PRIMARY_BASE 0x01f0 /* Task File Registe base for IDE #1 */ +#define IDE1_SECONDARY_BASE 0x03f6 /* Miscellaneous AT registers for IDE #1 */ +#define IDE2_PRIMARY_BASE 0x0170 /* Task File Registe base for IDE #2 */ +#define IDE2_SECONDARY_BASE 0x0376 /* Miscellaneous AT registers for IDE #2 */ + +#define SERIAL1_PRIMARY_BASE 0x03f8 +#define SERIAL2_PRIMARY_BASE 0x02f8 + +#define MSB(x) ( (x) >> 8 ) +#define LSB(x) ( (x) & 0xff ) + + /* General-Purpose base address on CPU-board FPGA */ +#define MICRODEV_FPGA_GP_BASE 0xa6100000ul + + /* assume a Keyboard Controller is present */ +int microdev_kbd_controller_present = 1; + +const char *get_system_type(void) +{ + return "SH4-202 MicroDev"; +} + +static struct resource smc91x_resources[] = { + [0] = { + .start = 0x300, + .end = 0x300 + 0x0001000 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MICRODEV_LINUX_IRQ_ETHERNET, + .end = MICRODEV_LINUX_IRQ_ETHERNET, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static int __init smc91x_setup(void) +{ + return platform_device_register(&smc91x_device); +} + +__initcall(smc91x_setup); + + /* + * Initialize the board + */ +void __init platform_setup(void) +{ + int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul); + const int fpgaRevision = *fpgaRevisionRegister; + int * const CacheControlRegister = (int*)CCR; + + printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n", + get_system_type(), fpgaRevision, *CacheControlRegister); +} + + +/****************************************************************************/ + + + /* + * Setup for the SMSC FDC37C93xAPM + */ +static int __init smsc_superio_setup(void) +{ + + unsigned char devid, devrev; + + /* Initially the chip is in run state */ + /* Put it into configuration state */ + outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR); + + /* Read device ID info */ + devid = SMSC_READ_INDEXED(SMSC_DEVICE_ID_INDEX); + devrev = SMSC_READ_INDEXED(SMSC_DEVICE_REV_INDEX); + if ( (devid==0x30) && (devrev==0x01) ) + { + printk("SMSC FDC37C93xAPM SuperIO device detected\n"); + } + else + { /* not the device identity we expected */ + printk("Not detected a SMSC FDC37C93xAPM SuperIO device (devid=0x%02x, rev=0x%02x)\n", + devid, devrev); + /* inform the keyboard driver that we have no keyboard controller */ + microdev_kbd_controller_present = 0; + /* little point in doing anything else in this functon */ + return 0; + } + + /* Select the keyboard device */ + SMSC_WRITE_INDEXED(SMSC_KEYBOARD_DEVICE, SMCS_LOGICAL_DEV_INDEX); + /* enable it */ + SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX); + /* enable the interrupts */ + SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_KEYBOARD, SMSC_PRIMARY_INT_INDEX); + SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_MOUSE, SMSC_SECONDARY_INT_INDEX); + + /* Select the Serial #1 device */ + SMSC_WRITE_INDEXED(SMSC_SERIAL1_DEVICE, SMCS_LOGICAL_DEV_INDEX); + /* enable it */ + SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX); + /* program with port addresses */ + SMSC_WRITE_INDEXED(MSB(SERIAL1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0); + SMSC_WRITE_INDEXED(LSB(SERIAL1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1); + SMSC_WRITE_INDEXED(0x00, SMSC_HDCS0_INDEX); + /* enable the interrupts */ + SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_SERIAL1, SMSC_PRIMARY_INT_INDEX); + + /* Select the Serial #2 device */ + SMSC_WRITE_INDEXED(SMSC_SERIAL2_DEVICE, SMCS_LOGICAL_DEV_INDEX); + /* enable it */ + SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX); + /* program with port addresses */ + SMSC_WRITE_INDEXED(MSB(SERIAL2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0); + SMSC_WRITE_INDEXED(LSB(SERIAL2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1); + SMSC_WRITE_INDEXED(0x00, SMSC_HDCS0_INDEX); + /* enable the interrupts */ + SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_SERIAL2, SMSC_PRIMARY_INT_INDEX); + + /* Select the IDE#1 device */ + SMSC_WRITE_INDEXED(SMSC_IDE1_DEVICE, SMCS_LOGICAL_DEV_INDEX); + /* enable it */ + SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX); + /* program with port addresses */ + SMSC_WRITE_INDEXED(MSB(IDE1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0); + SMSC_WRITE_INDEXED(LSB(IDE1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1); + SMSC_WRITE_INDEXED(MSB(IDE1_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+0); + SMSC_WRITE_INDEXED(LSB(IDE1_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+1); + SMSC_WRITE_INDEXED(0x0c, SMSC_HDCS0_INDEX); + SMSC_WRITE_INDEXED(0x00, SMSC_HDCS1_INDEX); + /* select the interrupt */ + SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_IDE1, SMSC_PRIMARY_INT_INDEX); + + /* Select the IDE#2 device */ + SMSC_WRITE_INDEXED(SMSC_IDE2_DEVICE, SMCS_LOGICAL_DEV_INDEX); + /* enable it */ + SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX); + /* program with port addresses */ + SMSC_WRITE_INDEXED(MSB(IDE2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0); + SMSC_WRITE_INDEXED(LSB(IDE2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1); + SMSC_WRITE_INDEXED(MSB(IDE2_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+0); + SMSC_WRITE_INDEXED(LSB(IDE2_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+1); + /* select the interrupt */ + SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_IDE2, SMSC_PRIMARY_INT_INDEX); + + /* Select the configuration registers */ + SMSC_WRITE_INDEXED(SMSC_CONFIG_REGISTERS, SMCS_LOGICAL_DEV_INDEX); + /* enable the appropriate GPIO pins for IDE functionality: + * bit[0] In/Out 1==input; 0==output + * bit[1] Polarity 1==invert; 0==no invert + * bit[2] Int Enb #1 1==Enable Combined IRQ #1; 0==disable + * bit[3:4] Function Select 00==original; 01==Alternate Function #1 + */ + SMSC_WRITE_INDEXED(0x00, 0xc2); /* GP42 = nIDE1_OE */ + SMSC_WRITE_INDEXED(0x01, 0xc5); /* GP45 = IDE1_IRQ */ + SMSC_WRITE_INDEXED(0x00, 0xc6); /* GP46 = nIOROP */ + SMSC_WRITE_INDEXED(0x00, 0xc7); /* GP47 = nIOWOP */ + SMSC_WRITE_INDEXED(0x08, 0xe8); /* GP20 = nIDE2_OE */ + + /* Exit the configuraton state */ + outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR); + + return 0; +} + + +/* This is grotty, but, because kernel is always referenced on the link line + * before any devices, this is safe. + */ +__initcall(smsc_superio_setup); diff --git a/arch/sh/boards/unknown/Makefile b/arch/sh/boards/unknown/Makefile new file mode 100644 index 0000000..cffc210 --- /dev/null +++ b/arch/sh/boards/unknown/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for unknown SH boards +# + +obj-y := mach.o io.o setup.o + diff --git a/arch/sh/boards/unknown/io.c b/arch/sh/boards/unknown/io.c new file mode 100644 index 0000000..8f3f172 --- /dev/null +++ b/arch/sh/boards/unknown/io.c @@ -0,0 +1,46 @@ +/* + * linux/arch/sh/kernel/io_unknown.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * I/O routine for unknown hardware. + */ + +static unsigned int unknown_handler(void) +{ + return 0; +} + +#define UNKNOWN_ALIAS(fn) \ + void unknown_##fn(void) __attribute__ ((alias ("unknown_handler"))); + +UNKNOWN_ALIAS(inb) +UNKNOWN_ALIAS(inw) +UNKNOWN_ALIAS(inl) +UNKNOWN_ALIAS(outb) +UNKNOWN_ALIAS(outw) +UNKNOWN_ALIAS(outl) +UNKNOWN_ALIAS(inb_p) +UNKNOWN_ALIAS(inw_p) +UNKNOWN_ALIAS(inl_p) +UNKNOWN_ALIAS(outb_p) +UNKNOWN_ALIAS(outw_p) +UNKNOWN_ALIAS(outl_p) +UNKNOWN_ALIAS(insb) +UNKNOWN_ALIAS(insw) +UNKNOWN_ALIAS(insl) +UNKNOWN_ALIAS(outsb) +UNKNOWN_ALIAS(outsw) +UNKNOWN_ALIAS(outsl) +UNKNOWN_ALIAS(readb) +UNKNOWN_ALIAS(readw) +UNKNOWN_ALIAS(readl) +UNKNOWN_ALIAS(writeb) +UNKNOWN_ALIAS(writew) +UNKNOWN_ALIAS(writel) +UNKNOWN_ALIAS(isa_port2addr) +UNKNOWN_ALIAS(ioremap) +UNKNOWN_ALIAS(iounmap) diff --git a/arch/sh/boards/unknown/mach.c b/arch/sh/boards/unknown/mach.c new file mode 100644 index 0000000..ad0bcc6 --- /dev/null +++ b/arch/sh/boards/unknown/mach.c @@ -0,0 +1,67 @@ +/* + * linux/arch/sh/kernel/mach_unknown.c + * + * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Machine specific code for an unknown machine (internal peripherials only) + */ + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/machvec.h> +#include <asm/machvec_init.h> + +#include <asm/io_unknown.h> + +#include <asm/rtc.h> +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_unknown __initmv = { +#if defined(CONFIG_CPU_SH4) + .mv_nr_irqs = 48, +#elif defined(CONFIG_CPU_SUBTYPE_SH7708) + .mv_nr_irqs = 32, +#elif defined(CONFIG_CPU_SUBTYPE_SH7709) + .mv_nr_irqs = 61, +#endif + + .mv_inb = unknown_inb, + .mv_inw = unknown_inw, + .mv_inl = unknown_inl, + .mv_outb = unknown_outb, + .mv_outw = unknown_outw, + .mv_outl = unknown_outl, + + .mv_inb_p = unknown_inb_p, + .mv_inw_p = unknown_inw_p, + .mv_inl_p = unknown_inl_p, + .mv_outb_p = unknown_outb_p, + .mv_outw_p = unknown_outw_p, + .mv_outl_p = unknown_outl_p, + + .mv_insb = unknown_insb, + .mv_insw = unknown_insw, + .mv_insl = unknown_insl, + .mv_outsb = unknown_outsb, + .mv_outsw = unknown_outsw, + .mv_outsl = unknown_outsl, + + .mv_readb = unknown_readb, + .mv_readw = unknown_readw, + .mv_readl = unknown_readl, + .mv_writeb = unknown_writeb, + .mv_writew = unknown_writew, + .mv_writel = unknown_writel, + + .mv_ioremap = unknown_ioremap, + .mv_iounmap = unknown_iounmap, + + .mv_isa_port2addr = unknown_isa_port2addr, +}; +ALIAS_MV(unknown) diff --git a/arch/sh/boards/unknown/setup.c b/arch/sh/boards/unknown/setup.c new file mode 100644 index 0000000..7d772a6 --- /dev/null +++ b/arch/sh/boards/unknown/setup.c @@ -0,0 +1,23 @@ +/* + * linux/arch/sh/boards/unknown/setup.c + * + * Copyright (C) 2002 Paul Mundt + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * Setup code for an unknown machine (internal peripherials only) + */ + +#include <linux/config.h> +#include <linux/init.h> + +const char *get_system_type(void) +{ + return "Unknown"; +} + +void __init platform_setup(void) +{ +} + |
