diff options
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5476/setup.c')
| -rw-r--r-- | arch/mips/ddb5xxx/ddb5476/setup.c | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/arch/mips/ddb5xxx/ddb5476/setup.c b/arch/mips/ddb5xxx/ddb5476/setup.c deleted file mode 100644 index 101021a..0000000 --- a/arch/mips/ddb5xxx/ddb5476/setup.c +++ /dev/null @@ -1,321 +0,0 @@ -/* - * arch/mips/ddb5476/setup.c -- NEC DDB Vrc-5476 setup routines - * - * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com> - * Sony Software Development Center Europe (SDCE), Brussels - */ -#include <linux/init.h> -#include <linux/kbd_ll.h> -#include <linux/kernel.h> -#include <linux/kdev_t.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/pci.h> -#include <linux/pm.h> - -#include <asm/addrspace.h> -#include <asm/bcache.h> -#include <asm/irq.h> -#include <asm/reboot.h> -#include <asm/gdb-stub.h> -#include <asm/time.h> -#include <asm/debug.h> -#include <asm/traps.h> - -#include <asm/ddb5xxx/ddb5xxx.h> - -// #define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */ - -#ifdef USE_CPU_COUNTER_TIMER - -#define CPU_COUNTER_FREQUENCY 83000000 -#else -/* otherwise we use general purpose timer */ -#define TIMER_FREQUENCY 83000000 -#define TIMER_BASE DDB_T2CTRL -#define TIMER_IRQ (VRC5476_IRQ_BASE + VRC5476_IRQ_GPT) -#endif - -static void (*back_to_prom) (void) = (void (*)(void)) 0xbfc00000; - -static void ddb_machine_restart(char *command) -{ - u32 t; - - /* PCI cold reset */ - t = ddb_in32(DDB_PCICTRL + 4); - t |= 0x40000000; - ddb_out32(DDB_PCICTRL + 4, t); - /* CPU cold reset */ - t = ddb_in32(DDB_CPUSTAT); - t |= 1; - ddb_out32(DDB_CPUSTAT, t); - /* Call the PROM */ - back_to_prom(); -} - -static void ddb_machine_halt(void) -{ - printk(KERN_NOTICE "DDB Vrc-5476 halted.\n"); - while (1); -} - -static void ddb_machine_power_off(void) -{ - printk(KERN_NOTICE "DDB Vrc-5476 halted. Please turn off the power.\n"); - while (1); -} - -extern void rtc_ds1386_init(unsigned long base); - -static void __init ddb_time_init(void) -{ -#if defined(USE_CPU_COUNTER_TIMER) - mips_hpt_frequency = CPU_COUNTER_FREQUENCY; -#endif - - /* we have ds1396 RTC chip */ - rtc_ds1386_init(KSEG1ADDR(DDB_PCI_MEM_BASE)); -} - - -extern int setup_irq(unsigned int irq, struct irqaction *irqaction); -static void __init ddb_timer_setup(struct irqaction *irq) -{ -#if defined(USE_CPU_COUNTER_TIMER) - - unsigned int count; - - /* we are using the cpu counter for timer interrupts */ - setup_irq(CPU_IRQ_BASE + 7, irq); - - /* to generate the first timer interrupt */ - count = read_c0_count(); - write_c0_compare(count + 1000); - -#else - - ddb_out32(TIMER_BASE, TIMER_FREQUENCY/HZ); - ddb_out32(TIMER_BASE+4, 0x1); /* enable timer */ - setup_irq(TIMER_IRQ, irq); -#endif -} - -static struct { - struct resource dma1; - struct resource timer; - struct resource rtc; - struct resource dma_page_reg; - struct resource dma2; -} ddb5476_ioport = { - { - .start = 0x00, - .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { - .start = 0x70, - .end = 0x7f, - .name = "rtc", - .flags = IORESOURCE_BUSY - }, { - .start = 0x80, - .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { - .start = 0xc0, - .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY - } -}; - -static struct { - struct resource nile4; -} ddb5476_iomem = { - { - .start = DDB_BASE, - .end = DDB_BASE + DDB_SIZE - 1, - .name = "Nile 4", - .flags = IORESOURCE_BUSY - } -}; - - -static void ddb5476_board_init(void); - -void __init plat_mem_setup(void) -{ - set_io_port_base(KSEG1ADDR(DDB_PCI_IO_BASE)); - - board_time_init = ddb_time_init; - board_timer_setup = ddb_timer_setup; - - _machine_restart = ddb_machine_restart; - _machine_halt = ddb_machine_halt; - pm_power_off = ddb_machine_power_off; - - /* request io port/mem resources */ - if (request_resource(&ioport_resource, &ddb5476_ioport.dma1) || - request_resource(&ioport_resource, &ddb5476_ioport.timer) || - request_resource(&ioport_resource, &ddb5476_ioport.rtc) || - request_resource(&ioport_resource, - &ddb5476_ioport.dma_page_reg) - || request_resource(&ioport_resource, &ddb5476_ioport.dma2) - || request_resource(&iomem_resource, &ddb5476_iomem.nile4)) { - printk - ("ddb_setup - requesting oo port resources failed.\n"); - for (;;); - } - - /* Reboot on panic */ - panic_timeout = 180; - - /* [jsun] we need to set BAR0 so that SDRAM 0 appears at 0x0 in PCI */ - /* *(long*)0xbfa00218 = 0x8; */ - - /* board initialization stuff */ - ddb5476_board_init(); -} - -/* - * We don't trust bios. We essentially does hardware re-initialization - * as complete as possible, as far as we know we can safely do. - */ -static void ddb5476_board_init(void) -{ - /* ----------- setup PDARs ------------ */ - /* check SDRAM0, whether we are on MEM bus does not matter */ - db_assert((ddb_in32(DDB_SDRAM0) & 0xffffffef) == - ddb_calc_pdar(DDB_SDRAM_BASE, DDB_SDRAM_SIZE, 32, 0, 1)); - - /* SDRAM1 should be turned off. What is this for anyway ? */ - db_assert( (ddb_in32(DDB_SDRAM1) & 0xf) == 0); - - /* flash 1&2, DDB status, DDB control */ - ddb_set_pdar(DDB_DCS2, DDB_DCS2_BASE, DDB_DCS2_SIZE, 16, 0, 0); - ddb_set_pdar(DDB_DCS3, DDB_DCS3_BASE, DDB_DCS3_SIZE, 16, 0, 0); - ddb_set_pdar(DDB_DCS4, DDB_DCS4_BASE, DDB_DCS4_SIZE, 8, 0, 0); - ddb_set_pdar(DDB_DCS5, DDB_DCS5_BASE, DDB_DCS5_SIZE, 8, 0, 0); - - /* shut off other pdar so they don't accidentally get into the way */ - ddb_set_pdar(DDB_DCS6, 0xffffffff, 0, 32, 0, 0); - ddb_set_pdar(DDB_DCS7, 0xffffffff, 0, 32, 0, 0); - ddb_set_pdar(DDB_DCS8, 0xffffffff, 0, 32, 0, 0); - - /* verify VRC5477 base addr */ - /* don't care about some details */ - db_assert((ddb_in32(DDB_INTCS) & 0xffffff0f) == - ddb_calc_pdar(DDB_INTCS_BASE, DDB_INTCS_SIZE, 8, 0, 0)); - - /* verify BOOT ROM addr */ - /* don't care about some details */ - db_assert((ddb_in32(DDB_BOOTCS) & 0xffffff0f) == - ddb_calc_pdar(DDB_BOOTCS_BASE, DDB_BOOTCS_SIZE, 8, 0, 0)); - - /* setup PCI windows - window1 for MEM/config, window0 for IO */ - ddb_set_pdar(DDB_PCIW0, DDB_PCI_IO_BASE, DDB_PCI_IO_SIZE, 32, 0, 1); - ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32); - - ddb_set_pdar(DDB_PCIW1, DDB_PCI_MEM_BASE, DDB_PCI_MEM_SIZE, 32, 0, 1); - ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_MEM, DDB_PCI_MEM_BASE, DDB_PCI_ACCESS_32); - - /* ----------- setup PDARs ------------ */ - /* this is problematic - it will reset Aladin which cause we loose - * serial port, and we don't know how to set up Aladin chip again. - */ - // ddb_pci_reset_bus(); - - ddb_out32(DDB_BAR0, 0x00000008); - - ddb_out32(DDB_BARC, 0xffffffff); - ddb_out32(DDB_BARB, 0xffffffff); - ddb_out32(DDB_BAR1, 0xffffffff); - ddb_out32(DDB_BAR2, 0xffffffff); - ddb_out32(DDB_BAR3, 0xffffffff); - ddb_out32(DDB_BAR4, 0xffffffff); - ddb_out32(DDB_BAR5, 0xffffffff); - ddb_out32(DDB_BAR6, 0xffffffff); - ddb_out32(DDB_BAR7, 0xffffffff); - ddb_out32(DDB_BAR8, 0xffffffff); - - /* ----------- switch PCI1 to PCI CONFIG space ------------ */ - ddb_set_pdar(DDB_PCIW1, DDB_PCI_CONFIG_BASE, DDB_PCI_CONFIG_SIZE, 32, 0, 1); - ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_CFG, 0x0, DDB_PCI_ACCESS_32); - - /* ----- M1543 PCI setup ------ */ - - /* we know M1543 PCI-ISA controller is at addr:18 */ - /* xxxx1010 makes USB at addr:13 and PMU at addr:14 */ - *(volatile unsigned char *) 0xa8040072 &= 0xf0; - *(volatile unsigned char *) 0xa8040072 |= 0xa; - - /* setup USB interrupt to IRQ 9, (bit 0:3 - 0001) - * no IOCHRDY signal, (bit 7 - 1) - * M1543C & M7101 VID and Subsys Device ID are read-only (bit 6 - 1) - * Make USB Master INTAJ level to edge conversion (bit 4 - 1) - */ - *(unsigned char *) 0xa8040074 = 0xd1; - - /* setup PMU(SCI to IRQ 10 (bit 0:3 - 0011) - * SCI routing to IRQ 13 disabled (bit 7 - 1) - * SCI interrupt level to edge conversion bypassed (bit 4 - 0) - */ - *(unsigned char *) 0xa8040076 = 0x83; - - /* setup IDE controller - * enable IDE controller (bit 6 - 1) - * IDE IDSEL to be addr:24 (bit 4:5 - 11) - * no IDE ATA Secondary Bus Signal Pad Control (bit 3 - 0) - * no IDE ATA Primary Bus Signal Pad Control (bit 2 - 0) - * primary IRQ is 14, secondary is 15 (bit 1:0 - 01 - */ - // *(unsigned char*)0xa8040058 = 0x71; - // *(unsigned char*)0xa8040058 = 0x79; - // *(unsigned char*)0xa8040058 = 0x74; // use SIRQ, primary tri-state - *(unsigned char *) 0xa8040058 = 0x75; // primary tri-state - -#if 0 - /* this is not necessary if M5229 does not use SIRQ */ - *(unsigned char *) 0xa8040044 = 0x0d; // primary to IRQ 14 - *(unsigned char *) 0xa8040075 = 0x0d; // secondary to IRQ 14 -#endif - - /* enable IDE in the M5229 config register 0x50 (bit 0 - 1) */ - /* M5229 IDSEL is addr:24; see above setting */ - *(unsigned char *) 0xa9000050 |= 0x1; - - /* enable bus master (bit 2) and IO decoding (bit 0) */ - *(unsigned char *) 0xa9000004 |= 0x5; - - /* enable native, copied from arch/ppc/k2boot/head.S */ - /* TODO - need volatile, need to be portable */ - *(unsigned char *) 0xa9000009 = 0xff; - - /* ----- end of M1543 PCI setup ------ */ - - /* ----- reset on-board ether chip ------ */ - *((volatile u32 *) 0xa8020004) |= 1; /* decode I/O */ - *((volatile u32 *) 0xa8020010) = 0; /* set BAR address */ - - /* send reset command */ - *((volatile u32 *) 0xa6000000) = 1; /* do a soft reset */ - - /* disable ether chip */ - *((volatile u32 *) 0xa8020004) = 0; /* disable any decoding */ - - /* put it into sleep */ - *((volatile u32 *) 0xa8020040) = 0x80000000; - - /* ----- end of reset on-board ether chip ------ */ - - /* ----------- switch PCI1 back to PCI MEM space ------------ */ - ddb_set_pdar(DDB_PCIW1, DDB_PCI_MEM_BASE, DDB_PCI_MEM_SIZE, 32, 0, 1); - ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_MEM, DDB_PCI_MEM_BASE, DDB_PCI_ACCESS_32); -} |
