From a92b05880d261e9017ef8e7d5b6b01e0e5aa991d Mon Sep 17 00:00:00 2001 From: Daniel Laird Date: Thu, 6 Mar 2008 09:07:18 +0000 Subject: [MIPS] Move arch/mips/philips to arch/mips/nxp Signed-off-by: daniel.j.laird Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 4 +- arch/mips/Makefile | 12 +- arch/mips/kernel/cpu-probe.c | 8 +- arch/mips/nxp/pnx8550/common/Makefile | 29 +++ arch/mips/nxp/pnx8550/common/gdb_hook.c | 109 +++++++++++ arch/mips/nxp/pnx8550/common/int.c | 238 +++++++++++++++++++++++++ arch/mips/nxp/pnx8550/common/pci.c | 133 ++++++++++++++ arch/mips/nxp/pnx8550/common/platform.c | 132 ++++++++++++++ arch/mips/nxp/pnx8550/common/proc.c | 112 ++++++++++++ arch/mips/nxp/pnx8550/common/prom.c | 129 ++++++++++++++ arch/mips/nxp/pnx8550/common/reset.c | 49 +++++ arch/mips/nxp/pnx8550/common/setup.c | 157 ++++++++++++++++ arch/mips/nxp/pnx8550/common/time.c | 150 ++++++++++++++++ arch/mips/nxp/pnx8550/jbs/Makefile | 4 + arch/mips/nxp/pnx8550/jbs/board_setup.c | 65 +++++++ arch/mips/nxp/pnx8550/jbs/init.c | 53 ++++++ arch/mips/nxp/pnx8550/jbs/irqmap.c | 35 ++++ arch/mips/nxp/pnx8550/stb810/Makefile | 4 + arch/mips/nxp/pnx8550/stb810/board_setup.c | 49 +++++ arch/mips/nxp/pnx8550/stb810/irqmap.c | 22 +++ arch/mips/nxp/pnx8550/stb810/prom_init.c | 46 +++++ arch/mips/philips/pnx8550/common/Makefile | 29 --- arch/mips/philips/pnx8550/common/gdb_hook.c | 109 ----------- arch/mips/philips/pnx8550/common/int.c | 238 ------------------------- arch/mips/philips/pnx8550/common/pci.c | 133 -------------- arch/mips/philips/pnx8550/common/platform.c | 132 -------------- arch/mips/philips/pnx8550/common/proc.c | 112 ------------ arch/mips/philips/pnx8550/common/prom.c | 129 -------------- arch/mips/philips/pnx8550/common/reset.c | 49 ----- arch/mips/philips/pnx8550/common/setup.c | 157 ---------------- arch/mips/philips/pnx8550/common/time.c | 150 ---------------- arch/mips/philips/pnx8550/jbs/Makefile | 4 - arch/mips/philips/pnx8550/jbs/board_setup.c | 65 ------- arch/mips/philips/pnx8550/jbs/init.c | 53 ------ arch/mips/philips/pnx8550/jbs/irqmap.c | 36 ---- arch/mips/philips/pnx8550/stb810/Makefile | 4 - arch/mips/philips/pnx8550/stb810/board_setup.c | 49 ----- arch/mips/philips/pnx8550/stb810/irqmap.c | 23 --- arch/mips/philips/pnx8550/stb810/prom_init.c | 46 ----- 39 files changed, 1528 insertions(+), 1530 deletions(-) create mode 100644 arch/mips/nxp/pnx8550/common/Makefile create mode 100644 arch/mips/nxp/pnx8550/common/gdb_hook.c create mode 100644 arch/mips/nxp/pnx8550/common/int.c create mode 100644 arch/mips/nxp/pnx8550/common/pci.c create mode 100644 arch/mips/nxp/pnx8550/common/platform.c create mode 100644 arch/mips/nxp/pnx8550/common/proc.c create mode 100644 arch/mips/nxp/pnx8550/common/prom.c create mode 100644 arch/mips/nxp/pnx8550/common/reset.c create mode 100644 arch/mips/nxp/pnx8550/common/setup.c create mode 100644 arch/mips/nxp/pnx8550/common/time.c create mode 100644 arch/mips/nxp/pnx8550/jbs/Makefile create mode 100644 arch/mips/nxp/pnx8550/jbs/board_setup.c create mode 100644 arch/mips/nxp/pnx8550/jbs/init.c create mode 100644 arch/mips/nxp/pnx8550/jbs/irqmap.c create mode 100644 arch/mips/nxp/pnx8550/stb810/Makefile create mode 100644 arch/mips/nxp/pnx8550/stb810/board_setup.c create mode 100644 arch/mips/nxp/pnx8550/stb810/irqmap.c create mode 100644 arch/mips/nxp/pnx8550/stb810/prom_init.c delete mode 100644 arch/mips/philips/pnx8550/common/Makefile delete mode 100644 arch/mips/philips/pnx8550/common/gdb_hook.c delete mode 100644 arch/mips/philips/pnx8550/common/int.c delete mode 100644 arch/mips/philips/pnx8550/common/pci.c delete mode 100644 arch/mips/philips/pnx8550/common/platform.c delete mode 100644 arch/mips/philips/pnx8550/common/proc.c delete mode 100644 arch/mips/philips/pnx8550/common/prom.c delete mode 100644 arch/mips/philips/pnx8550/common/reset.c delete mode 100644 arch/mips/philips/pnx8550/common/setup.c delete mode 100644 arch/mips/philips/pnx8550/common/time.c delete mode 100644 arch/mips/philips/pnx8550/jbs/Makefile delete mode 100644 arch/mips/philips/pnx8550/jbs/board_setup.c delete mode 100644 arch/mips/philips/pnx8550/jbs/init.c delete mode 100644 arch/mips/philips/pnx8550/jbs/irqmap.c delete mode 100644 arch/mips/philips/pnx8550/stb810/Makefile delete mode 100644 arch/mips/philips/pnx8550/stb810/board_setup.c delete mode 100644 arch/mips/philips/pnx8550/stb810/irqmap.c delete mode 100644 arch/mips/philips/pnx8550/stb810/prom_init.c (limited to 'arch/mips') diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 89b0377..9e1fc96 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -310,12 +310,12 @@ config MACH_VR41XX select GENERIC_HARDIRQS_NO__DO_IRQ config PNX8550_JBS - bool "Philips PNX8550 based JBS board" + bool "NXP PNX8550 based JBS board" select PNX8550 select SYS_SUPPORTS_LITTLE_ENDIAN config PNX8550_STB810 - bool "Philips PNX8550 based STB810 board" + bool "NXP PNX8550 based STB810 board" select PNX8550 select SYS_SUPPORTS_LITTLE_ENDIAN diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 1c62381f..69648d0 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -410,21 +410,21 @@ load-$(CONFIG_CASIO_E55) += 0xffffffff80004000 load-$(CONFIG_TANBAC_TB022X) += 0xffffffff80000000 # -# Common Philips PNX8550 +# Common NXP PNX8550 # -core-$(CONFIG_SOC_PNX8550) += arch/mips/philips/pnx8550/common/ +core-$(CONFIG_SOC_PNX8550) += arch/mips/nxp/pnx8550/common/ cflags-$(CONFIG_SOC_PNX8550) += -Iinclude/asm-mips/mach-pnx8550 # -# Philips PNX8550 JBS board +# NXP PNX8550 JBS board # -libs-$(CONFIG_PNX8550_JBS) += arch/mips/philips/pnx8550/jbs/ +libs-$(CONFIG_PNX8550_JBS) += arch/mips/nxp/pnx8550/jbs/ #cflags-$(CONFIG_PNX8550_JBS) += -Iinclude/asm-mips/mach-pnx8550 load-$(CONFIG_PNX8550_JBS) += 0xffffffff80060000 -# Philips PNX8550 STB810 board +# NXP PNX8550 STB810 board # -libs-$(CONFIG_PNX8550_STB810) += arch/mips/philips/pnx8550/stb810/ +libs-$(CONFIG_PNX8550_STB810) += arch/mips/nxp/pnx8550/stb810/ load-$(CONFIG_PNX8550_STB810) += 0xffffffff80060000 # NEC EMMA2RH boards diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index a742a96..335a6ae 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -790,7 +790,7 @@ static inline void cpu_probe_sandcraft(struct cpuinfo_mips *c) } } -static inline void cpu_probe_philips(struct cpuinfo_mips *c) +static inline void cpu_probe_nxp(struct cpuinfo_mips *c) { decode_configs(c); switch (c->processor_id & 0xff00) { @@ -799,7 +799,7 @@ static inline void cpu_probe_philips(struct cpuinfo_mips *c) c->isa_level = MIPS_CPU_ISA_M32R1; break; default: - panic("Unknown Philips Core!"); /* REVISIT: die? */ + panic("Unknown NXP Core!"); /* REVISIT: die? */ break; } } @@ -938,8 +938,8 @@ __cpuinit void cpu_probe(void) case PRID_COMP_SANDCRAFT: cpu_probe_sandcraft(c); break; - case PRID_COMP_PHILIPS: - cpu_probe_philips(c); + case PRID_COMP_NXP: + cpu_probe_nxp(c); break; default: c->cputype = CPU_UNKNOWN; diff --git a/arch/mips/nxp/pnx8550/common/Makefile b/arch/mips/nxp/pnx8550/common/Makefile new file mode 100644 index 0000000..31cc1a5 --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/Makefile @@ -0,0 +1,29 @@ +# +# Per Hallsmark, per.hallsmark@mvista.com +# +# ######################################################################## +# +# This program is free software; you can distribute it and/or modify it +# under the terms of the GNU General Public License (Version 2) as +# published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# +# ####################################################################### +# +# Makefile for the PNX8550 specific kernel interface routines +# under Linux. +# + +obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o +obj-$(CONFIG_PCI) += pci.o +obj-$(CONFIG_KGDB) += gdb_hook.o + +EXTRA_CFLAGS += -Werror diff --git a/arch/mips/nxp/pnx8550/common/gdb_hook.c b/arch/mips/nxp/pnx8550/common/gdb_hook.c new file mode 100644 index 0000000..ad4624f --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/gdb_hook.c @@ -0,0 +1,109 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * This is the interface to the remote debugger stub. + * + */ +#include +#include +#include +#include +#include + +#include +#include + +#include + +static struct serial_state rs_table[IP3106_NR_PORTS] = { +}; +static struct async_struct kdb_port_info = {0}; + +void rs_kgdb_hook(int tty_no) +{ + struct serial_state *ser = &rs_table[tty_no]; + + kdb_port_info.state = ser; + kdb_port_info.magic = SERIAL_MAGIC; + kdb_port_info.port = tty_no; + kdb_port_info.flags = ser->flags; + + /* + * Clear all interrupts + */ + /* Clear all the transmitter FIFO counters (pointer and status) */ + ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_TX_RST; + /* Clear all the receiver FIFO counters (pointer and status) */ + ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_RX_RST; + /* Clear all interrupts */ + ip3106_iclr(UART_BASE, tty_no) = IP3106_UART_INT_ALLRX | + IP3106_UART_INT_ALLTX; + + /* + * Now, initialize the UART + */ + ip3106_lcr(UART_BASE, tty_no) = IP3106_UART_LCR_8BIT; + ip3106_baud(UART_BASE, tty_no) = 5; // 38400 Baud +} + +int putDebugChar(char c) +{ + /* Wait until FIFO not full */ + while (((ip3106_fifo(UART_BASE, kdb_port_info.port) & IP3106_UART_FIFO_TXFIFO) >> 16) >= 16) + ; + /* Send one char */ + ip3106_fifo(UART_BASE, kdb_port_info.port) = c; + + return 1; +} + +char getDebugChar(void) +{ + char ch; + + /* Wait until there is a char in the FIFO */ + while (!((ip3106_fifo(UART_BASE, kdb_port_info.port) & + IP3106_UART_FIFO_RXFIFO) >> 8)) + ; + /* Read one char */ + ch = ip3106_fifo(UART_BASE, kdb_port_info.port) & + IP3106_UART_FIFO_RBRTHR; + /* Advance the RX FIFO read pointer */ + ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_RX_NEXT; + return (ch); +} + +void rs_disable_debug_interrupts(void) +{ + ip3106_ien(UART_BASE, kdb_port_info.port) = 0; /* Disable all interrupts */ +} + +void rs_enable_debug_interrupts(void) +{ + /* Clear all the transmitter FIFO counters (pointer and status) */ + ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_TX_RST; + /* Clear all the receiver FIFO counters (pointer and status) */ + ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_RX_RST; + /* Clear all interrupts */ + ip3106_iclr(UART_BASE, kdb_port_info.port) = IP3106_UART_INT_ALLRX | + IP3106_UART_INT_ALLTX; + ip3106_ien(UART_BASE, kdb_port_info.port) = IP3106_UART_INT_ALLRX; /* Enable RX interrupts */ +} diff --git a/arch/mips/nxp/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c new file mode 100644 index 0000000..aad0342 --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/int.c @@ -0,0 +1,238 @@ +/* + * + * Copyright (C) 2005 Embedded Alley Solutions, Inc + * Ported to 2.6. + * + * Per Hallsmark, per.hallsmark@mvista.com + * Copyright (C) 2000, 2001 MIPS Technologies, Inc. + * Copyright (C) 2001 Ralf Baechle + * + * Cleaned up and bug fixing: Pete Popov, ppopov@embeddedalley.com + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +/* default prio for interrupts */ +/* first one is a no-no so therefore always prio 0 (disabled) */ +static char gic_prio[PNX8550_INT_GIC_TOTINT] = { + 0, 1, 1, 1, 1, 15, 1, 1, 1, 1, // 0 - 9 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 10 - 19 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 20 - 29 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 30 - 39 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 40 - 49 + 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, // 50 - 59 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 60 - 69 + 1 // 70 +}; + +static void hw0_irqdispatch(int irq) +{ + /* find out which interrupt */ + irq = PNX8550_GIC_VECTOR_0 >> 3; + + if (irq == 0) { + printk("hw0_irqdispatch: irq 0, spurious interrupt?\n"); + return; + } + do_IRQ(PNX8550_INT_GIC_MIN + irq); +} + + +static void timer_irqdispatch(int irq) +{ + irq = (0x01c0 & read_c0_config7()) >> 6; + + if (unlikely(irq == 0)) { + printk("timer_irqdispatch: irq 0, spurious interrupt?\n"); + return; + } + + if (irq & 0x1) + do_IRQ(PNX8550_INT_TIMER1); + if (irq & 0x2) + do_IRQ(PNX8550_INT_TIMER2); + if (irq & 0x4) + do_IRQ(PNX8550_INT_TIMER3); +} + +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; + + if (pending & STATUSF_IP2) + hw0_irqdispatch(2); + else if (pending & STATUSF_IP7) { + if (read_c0_config7() & 0x01c0) + timer_irqdispatch(7); + } else + spurious_interrupt(); +} + +static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) +{ + unsigned long status = read_c0_status(); + + status &= ~((clr_mask & 0xFF) << 8); + status |= (set_mask & 0xFF) << 8; + + write_c0_status(status); +} + +static inline void mask_gic_int(unsigned int irq_nr) +{ + /* interrupt disabled, bit 26(WE_ENABLE)=1 and bit 16(enable)=0 */ + PNX8550_GIC_REQ(irq_nr) = 1<<28; /* set priority to 0 */ +} + +static inline void unmask_gic_int(unsigned int irq_nr) +{ + /* set prio mask to lower four bits and enable interrupt */ + PNX8550_GIC_REQ(irq_nr) = (1<<26 | 1<<16) | (1<<28) | gic_prio[irq_nr]; +} + +static inline void mask_irq(unsigned int irq_nr) +{ + if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) { + modify_cp0_intmask(1 << irq_nr, 0); + } else if ((PNX8550_INT_GIC_MIN <= irq_nr) && + (irq_nr <= PNX8550_INT_GIC_MAX)) { + mask_gic_int(irq_nr - PNX8550_INT_GIC_MIN); + } else if ((PNX8550_INT_TIMER_MIN <= irq_nr) && + (irq_nr <= PNX8550_INT_TIMER_MAX)) { + modify_cp0_intmask(1 << 7, 0); + } else { + printk("mask_irq: irq %d doesn't exist!\n", irq_nr); + } +} + +static inline void unmask_irq(unsigned int irq_nr) +{ + if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) { + modify_cp0_intmask(0, 1 << irq_nr); + } else if ((PNX8550_INT_GIC_MIN <= irq_nr) && + (irq_nr <= PNX8550_INT_GIC_MAX)) { + unmask_gic_int(irq_nr - PNX8550_INT_GIC_MIN); + } else if ((PNX8550_INT_TIMER_MIN <= irq_nr) && + (irq_nr <= PNX8550_INT_TIMER_MAX)) { + modify_cp0_intmask(0, 1 << 7); + } else { + printk("mask_irq: irq %d doesn't exist!\n", irq_nr); + } +} + +int pnx8550_set_gic_priority(int irq, int priority) +{ + int gic_irq = irq-PNX8550_INT_GIC_MIN; + int prev_priority = PNX8550_GIC_REQ(gic_irq) & 0xf; + + gic_prio[gic_irq] = priority; + PNX8550_GIC_REQ(gic_irq) |= (0x10000000 | gic_prio[gic_irq]); + + return prev_priority; +} + +static struct irq_chip level_irq_type = { + .name = "PNX Level IRQ", + .ack = mask_irq, + .mask = mask_irq, + .mask_ack = mask_irq, + .unmask = unmask_irq, +}; + +static struct irqaction gic_action = { + .handler = no_action, + .flags = IRQF_DISABLED, + .name = "GIC", +}; + +static struct irqaction timer_action = { + .handler = no_action, + .flags = IRQF_DISABLED, + .name = "Timer", +}; + +void __init arch_init_irq(void) +{ + int i; + int configPR; + + for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) { + set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq); + mask_irq(i); /* mask the irq just in case */ + } + + /* init of GIC/IPC interrupts */ + /* should be done before cp0 since cp0 init enables the GIC int */ + for (i = PNX8550_INT_GIC_MIN; i <= PNX8550_INT_GIC_MAX; i++) { + int gic_int_line = i - PNX8550_INT_GIC_MIN; + if (gic_int_line == 0 ) + continue; // don't fiddle with int 0 + /* + * enable change of TARGET, ENABLE and ACTIVE_LOW bits + * set TARGET 0 to route through hw0 interrupt + * set ACTIVE_LOW 0 active high (correct?) + * + * We really should setup an interrupt description table + * to do this nicely. + * Note, PCI INTA is active low on the bus, but inverted + * in the GIC, so to us it's active high. + */ + PNX8550_GIC_REQ(i - PNX8550_INT_GIC_MIN) = 0x1E000000; + + /* mask/priority is still 0 so we will not get any + * interrupts until it is unmasked */ + + set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq); + } + + /* Priority level 0 */ + PNX8550_GIC_PRIMASK_0 = PNX8550_GIC_PRIMASK_1 = 0; + + /* Set int vector table address */ + PNX8550_GIC_VECTOR_0 = PNX8550_GIC_VECTOR_1 = 0; + + set_irq_chip_and_handler(MIPS_CPU_GIC_IRQ, &level_irq_type, + handle_level_irq); + setup_irq(MIPS_CPU_GIC_IRQ, &gic_action); + + /* init of Timer interrupts */ + for (i = PNX8550_INT_TIMER_MIN; i <= PNX8550_INT_TIMER_MAX; i++) + set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq); + + /* Stop Timer 1-3 */ + configPR = read_c0_config7(); + configPR |= 0x00000038; + write_c0_config7(configPR); + + set_irq_chip_and_handler(MIPS_CPU_TIMER_IRQ, &level_irq_type, + handle_level_irq); + setup_irq(MIPS_CPU_TIMER_IRQ, &timer_action); +} + +EXPORT_SYMBOL(pnx8550_set_gic_priority); diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c new file mode 100644 index 0000000..eee4f3d --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/pci.c @@ -0,0 +1,133 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * + * Author: source@mvista.com + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include +#include +#include +#include + +#include +#include +#include + +static struct resource pci_io_resource = { + .start = PNX8550_PCIIO + 0x1000, /* reserve regacy I/O space */ + .end = PNX8550_PCIIO + PNX8550_PCIIO_SIZE, + .name = "pci IO space", + .flags = IORESOURCE_IO +}; + +static struct resource pci_mem_resource = { + .start = PNX8550_PCIMEM, + .end = PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1, + .name = "pci memory space", + .flags = IORESOURCE_MEM +}; + +extern struct pci_ops pnx8550_pci_ops; + +static struct pci_controller pnx8550_controller = { + .pci_ops = &pnx8550_pci_ops, + .io_resource = &pci_io_resource, + .mem_resource = &pci_mem_resource, +}; + +/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ +static inline unsigned long get_system_mem_size(void) +{ + /* Read IP2031_RANK0_ADDR_LO */ + unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); + /* Read IP2031_RANK1_ADDR_HI */ + unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); + + return dram_r1_hi - dram_r0_lo + 1; +} + +static int __init pnx8550_pci_setup(void) +{ + int pci_mem_code; + int mem_size = get_system_mem_size() >> 20; + + /* Clear the Global 2 Register, PCI Inta Output Enable Registers + Bit 1:Enable DAC Powerdown + -> 0:DACs are enabled and are working normally + 1:DACs are powerdown + Bit 0:Enable of PCI inta output + -> 0 = Disable PCI inta output + 1 = Enable PCI inta output + */ + PNX8550_GLB2_ENAB_INTA_O = 0; + + /* Calc the PCI mem size code */ + if (mem_size >= 128) + pci_mem_code = SIZE_128M; + else if (mem_size >= 64) + pci_mem_code = SIZE_64M; + else if (mem_size >= 32) + pci_mem_code = SIZE_32M; + else + pci_mem_code = SIZE_16M; + + /* Set PCI_XIO registers */ + outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO); + outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI); + outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO); + outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI); + + /* Send memory transaction via PCI_BASE2 */ + outl(0x00000001, PCI_BASE | PCI_IO); + + /* Unlock the setup register */ + outl(0xca, PCI_BASE | PCI_UNLOCKREG); + + /* + * BAR0 of PNX8550 (pci base 10) must be zero in order for ide + * to work, and in order for bus_to_baddr to work without any + * hacks. + */ + outl(0x00000000, PCI_BASE | PCI_BASE10); + + /* + *These two bars are set by default or the boot code. + * However, it's safer to set them here so we're not boot + * code dependent. + */ + outl(0x1be00000, PCI_BASE | PCI_BASE14); /* PNX MMIO */ + outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18); /* XIO */ + + outl(PCI_EN_TA | + PCI_EN_PCI2MMI | + PCI_EN_XIO | + PCI_SETUP_BASE18_SIZE(SIZE_32M) | + PCI_SETUP_BASE18_EN | + PCI_SETUP_BASE14_EN | + PCI_SETUP_BASE10_PREF | + PCI_SETUP_BASE10_SIZE(pci_mem_code) | + PCI_SETUP_CFGMANAGE_EN | + PCI_SETUP_PCIARB_EN, + PCI_BASE | + PCI_SETUP); /* PCI_SETUP */ + outl(0x00000000, PCI_BASE | PCI_CTRL); /* PCI_CONTROL */ + + register_pci_controller(&pnx8550_controller); + + return 0; +} + +arch_initcall(pnx8550_pci_setup); diff --git a/arch/mips/nxp/pnx8550/common/platform.c b/arch/mips/nxp/pnx8550/common/platform.c new file mode 100644 index 0000000..c7c763d --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/platform.c @@ -0,0 +1,132 @@ +/* + * Platform device support for NXP PNX8550 SoCs + * + * Copyright 2005, Embedded Alley Solutions, Inc + * + * Based on arch/mips/au1000/common/platform.c + * Platform device support for Au1x00 SoCs. + * + * Copyright 2004, Matt Porter + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +static struct resource pnx8550_usb_ohci_resources[] = { + [0] = { + .start = PNX8550_USB_OHCI_OP_BASE, + .end = PNX8550_USB_OHCI_OP_BASE + + PNX8550_USB_OHCI_OP_LEN, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = PNX8550_INT_USB, + .end = PNX8550_INT_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource pnx8550_uart_resources[] = { + [0] = { + .start = PNX8550_UART_PORT0, + .end = PNX8550_UART_PORT0 + 0xfff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = PNX8550_UART_INT(0), + .end = PNX8550_UART_INT(0), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = PNX8550_UART_PORT1, + .end = PNX8550_UART_PORT1 + 0xfff, + .flags = IORESOURCE_MEM, + }, + [3] = { + .start = PNX8550_UART_INT(1), + .end = PNX8550_UART_INT(1), + .flags = IORESOURCE_IRQ, + }, +}; + +struct pnx8xxx_port pnx8xxx_ports[] = { + [0] = { + .port = { + .type = PORT_PNX8XXX, + .iotype = UPIO_MEM, + .membase = (void __iomem *)PNX8550_UART_PORT0, + .mapbase = PNX8550_UART_PORT0, + .irq = PNX8550_UART_INT(0), + .uartclk = 3692300, + .fifosize = 16, + .flags = UPF_BOOT_AUTOCONF, + .line = 0, + }, + }, + [1] = { + .port = { + .type = PORT_PNX8XXX, + .iotype = UPIO_MEM, + .membase = (void __iomem *)PNX8550_UART_PORT1, + .mapbase = PNX8550_UART_PORT1, + .irq = PNX8550_UART_INT(1), + .uartclk = 3692300, + .fifosize = 16, + .flags = UPF_BOOT_AUTOCONF, + .line = 1, + }, + }, +}; + +/* The dmamask must be set for OHCI to work */ +static u64 ohci_dmamask = ~(u32)0; + +static u64 uart_dmamask = ~(u32)0; + +static struct platform_device pnx8550_usb_ohci_device = { + .name = "pnx8550-ohci", + .id = -1, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pnx8550_usb_ohci_resources), + .resource = pnx8550_usb_ohci_resources, +}; + +static struct platform_device pnx8550_uart_device = { + .name = "pnx8xxx-uart", + .id = -1, + .dev = { + .dma_mask = &uart_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = pnx8xxx_ports, + }, + .num_resources = ARRAY_SIZE(pnx8550_uart_resources), + .resource = pnx8550_uart_resources, +}; + +static struct platform_device *pnx8550_platform_devices[] __initdata = { + &pnx8550_usb_ohci_device, + &pnx8550_uart_device, +}; + +static int __init pnx8550_platform_init(void) +{ + return platform_add_devices(pnx8550_platform_devices, + ARRAY_SIZE(pnx8550_platform_devices)); +} + +arch_initcall(pnx8550_platform_init); diff --git a/arch/mips/nxp/pnx8550/common/proc.c b/arch/mips/nxp/pnx8550/common/proc.c new file mode 100644 index 0000000..18b125e3 --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/proc.c @@ -0,0 +1,112 @@ +/* + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + + +static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) +{ + int len = 0; + int configPR = read_c0_config7(); + + if (offset==0) { + len += sprintf(&page[len], "Timer: count, compare, tc, status\n"); + len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n", + read_c0_count(), read_c0_compare(), + (configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on"); + len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n", + read_c0_count2(), read_c0_compare2(), + (configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on"); + len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n", + read_c0_count3(), read_c0_compare3(), + (configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on"); + } + + return len; +} + +static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) +{ + int len = 0; + + if (offset==0) { + len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1()); + len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2()); + len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3()); + len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7()); + len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status()); + len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause()); + len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count()); + len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2()); + len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3()); + len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare()); + len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2()); + len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3()); + } + + return len; +} + +static struct proc_dir_entry* pnx8550_dir = NULL; +static struct proc_dir_entry* pnx8550_timers = NULL; +static struct proc_dir_entry* pnx8550_registers = NULL; + +static int pnx8550_proc_init( void ) +{ + + // Create /proc/pnx8550 + pnx8550_dir = proc_mkdir("pnx8550", NULL); + if (!pnx8550_dir) { + printk(KERN_ERR "Can't create pnx8550 proc dir\n"); + return -1; + } + + // Create /proc/pnx8550/timers + pnx8550_timers = create_proc_read_entry( + "timers", + 0, + pnx8550_dir, + pnx8550_timers_read, + NULL); + + if (!pnx8550_timers) + printk(KERN_ERR "Can't create pnx8550 timers proc file\n"); + + // Create /proc/pnx8550/registers + pnx8550_registers = create_proc_read_entry( + "registers", + 0, + pnx8550_dir, + pnx8550_registers_read, + NULL); + + if (!pnx8550_registers) + printk(KERN_ERR "Can't create pnx8550 registers proc file\n"); + + return 0; +} + +__initcall(pnx8550_proc_init); diff --git a/arch/mips/nxp/pnx8550/common/prom.c b/arch/mips/nxp/pnx8550/common/prom.c new file mode 100644 index 0000000..2f56745 --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/prom.c @@ -0,0 +1,129 @@ +/* + * + * Per Hallsmark, per.hallsmark@mvista.com + * + * Based on jmr3927/common/prom.c + * + * 2004 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is + * licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#include +#include +#include +#include +#include + +#include +#include + +/* #define DEBUG_CMDLINE */ + +extern int prom_argc; +extern char **prom_argv, **prom_envp; + +typedef struct +{ + char *name; +/* char *val; */ +}t_env_var; + + +char * prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} + +void __init prom_init_cmdline(void) +{ + int i; + + arcs_cmdline[0] = '\0'; + for (i = 0; i < prom_argc; i++) { + strcat(arcs_cmdline, prom_argv[i]); + strcat(arcs_cmdline, " "); + } +} + +char *prom_getenv(char *envname) +{ + /* + * Return a pointer to the given environment variable. + * Environment variables are stored in the form of "memsize=64". + */ + + t_env_var *env = (t_env_var *)prom_envp; + int i; + + i = strlen(envname); + + while(env->name) { + if(strncmp(envname, env->name, i) == 0) { + return(env->name + strlen(envname) + 1); + } + env++; + } + return(NULL); +} + +inline unsigned char str2hexnum(unsigned char c) +{ + if(c >= '0' && c <= '9') + return c - '0'; + if(c >= 'a' && c <= 'f') + return c - 'a' + 10; + if(c >= 'A' && c <= 'F') + return c - 'A' + 10; + return 0; /* foo */ +} + +inline void str2eaddr(unsigned char *ea, unsigned char *str) +{ + int i; + + for(i = 0; i < 6; i++) { + unsigned char num; + + if((*str == '.') || (*str == ':')) + str++; + num = str2hexnum(*str++) << 4; + num |= (str2hexnum(*str++)); + ea[i] = num; + } +} + +int get_ethernet_addr(char *ethernet_addr) +{ + char *ethaddr_str; + + ethaddr_str = prom_getenv("ethaddr"); + if (!ethaddr_str) { + printk("ethaddr not set in boot prom\n"); + return -1; + } + str2eaddr(ethernet_addr, ethaddr_str); + return 0; +} + +void __init prom_free_prom_memory(void) +{ +} + +extern int pnx8550_console_port; + +/* used by early printk */ +void prom_putchar(char c) +{ + if (pnx8550_console_port != -1) { + /* Wait until FIFO not full */ + while( ((ip3106_fifo(UART_BASE, pnx8550_console_port) & PNX8XXX_UART_FIFO_TXFIFO) >> 16) >= 16) + ; + /* Send one char */ + ip3106_fifo(UART_BASE, pnx8550_console_port) = c; + } +} + +EXPORT_SYMBOL(prom_getcmdline); +EXPORT_SYMBOL(get_ethernet_addr); +EXPORT_SYMBOL(str2eaddr); diff --git a/arch/mips/nxp/pnx8550/common/reset.c b/arch/mips/nxp/pnx8550/common/reset.c new file mode 100644 index 0000000..7b2cbc5 --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/reset.c @@ -0,0 +1,49 @@ +/*. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Reset the PNX8550 board. + * + */ +#include +#include +#include + +void pnx8550_machine_restart(char *command) +{ + char head[] = "************* Machine restart *************"; + char foot[] = "*******************************************"; + + printk("\n\n"); + printk("%s\n", head); + if (command != NULL) + printk("* %s\n", command); + printk("%s\n", foot); + + PNX8550_RST_CTL = PNX8550_RST_DO_SW_RST; +} + +void pnx8550_machine_halt(void) +{ + printk("*** Machine halt. (Not implemented) ***\n"); +} + +void pnx8550_machine_power_off(void) +{ + printk("*** Machine power off. (Not implemented) ***\n"); +} diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c new file mode 100644 index 0000000..92d764c --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/setup.c @@ -0,0 +1,157 @@ +/* + * + * 2.6 port, Embedded Alley Solutions, Inc + * + * Based on Per Hallsmark, per.hallsmark@mvista.com + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +extern void __init board_setup(void); +extern void pnx8550_machine_restart(char *); +extern void pnx8550_machine_halt(void); +extern void pnx8550_machine_power_off(void); +extern struct resource ioport_resource; +extern struct resource iomem_resource; +extern void rs_kgdb_hook(int tty_no); +extern char *prom_getcmdline(void); + +struct resource standard_io_resources[] = { + { + .start = 0x00, + .end = 0x1f, + .name = "dma1", + .flags = IORESOURCE_BUSY + }, { + .start = 0x40, + .end = 0x5f, + .name = "timer", + .flags = IORESOURCE_BUSY + }, { + .start = 0x80, + .end = 0x8f, + .name = "dma page reg", + .flags = IORESOURCE_BUSY + }, { + .start = 0xc0, + .end = 0xdf, + .name = "dma2", + .flags = IORESOURCE_BUSY + }, +}; + +#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources) + +extern struct resource pci_io_resource; +extern struct resource pci_mem_resource; + +/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ +unsigned long get_system_mem_size(void) +{ + /* Read IP2031_RANK0_ADDR_LO */ + unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); + /* Read IP2031_RANK1_ADDR_HI */ + unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); + + return dram_r1_hi - dram_r0_lo + 1; +} + +int pnx8550_console_port = -1; + +void __init plat_mem_setup(void) +{ + int i; + char* argptr; + + board_setup(); /* board specific setup */ + + _machine_restart = pnx8550_machine_restart; + _machine_halt = pnx8550_machine_halt; + pm_power_off = pnx8550_machine_power_off; + + /* Clear the Global 2 Register, PCI Inta Output Enable Registers + Bit 1:Enable DAC Powerdown + -> 0:DACs are enabled and are working normally + 1:DACs are powerdown + Bit 0:Enable of PCI inta output + -> 0 = Disable PCI inta output + 1 = Enable PCI inta output + */ + PNX8550_GLB2_ENAB_INTA_O = 0; + + /* IO/MEM resources. */ + set_io_port_base(KSEG1); + ioport_resource.start = 0; + ioport_resource.end = ~0; + iomem_resource.start = 0; + iomem_resource.end = ~0; + + /* Request I/O space for devices on this board */ + for (i = 0; i < STANDARD_IO_RESOURCES; i++) + request_resource(&ioport_resource, standard_io_resources + i); + + /* Place the Mode Control bit for GPIO pin 16 in primary function */ + /* Pin 16 is used by UART1, UA1_TX */ + outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) | + (PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT), + PNX8550_GPIO_MC1); + + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "console=ttyS")) != NULL) { + argptr += strlen("console=ttyS"); + pnx8550_console_port = *argptr == '0' ? 0 : 1; + + /* We must initialize the UART (console) before early printk */ + /* Set LCR to 8-bit and BAUD to 38400 (no 5) */ + ip3106_lcr(UART_BASE, pnx8550_console_port) = + PNX8XXX_UART_LCR_8BIT; + ip3106_baud(UART_BASE, pnx8550_console_port) = 5; + } + +#ifdef CONFIG_KGDB + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) { + int line; + argptr += strlen("kgdb=ttyS"); + line = *argptr == '0' ? 0 : 1; + rs_kgdb_hook(line); + pr_info("KGDB: Using ttyS%i for session, " + "please connect your debugger\n", line ? 1 : 0); + } +#endif + return; +} diff --git a/arch/mips/nxp/pnx8550/common/time.c b/arch/mips/nxp/pnx8550/common/time.c new file mode 100644 index 0000000..62f495b --- /dev/null +++ b/arch/mips/nxp/pnx8550/common/time.c @@ -0,0 +1,150 @@ +/* + * Copyright 2001, 2002, 2003 MontaVista Software Inc. + * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + * + * Common time service routines for MIPS machines. See + * Documents/MIPS/README.txt. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include + +static unsigned long cpj; + +static cycle_t hpt_read(void) +{ + return read_c0_count2(); +} + +static struct clocksource pnx_clocksource = { + .name = "pnx8xxx", + .rating = 200, + .read = hpt_read, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *c = dev_id; + + /* clear MATCH, signal the event */ + c->event_handler(c); + + return IRQ_HANDLED; +} + +static struct irqaction pnx8xxx_timer_irq = { + .handler = pnx8xxx_timer_interrupt, + .flags = IRQF_DISABLED | IRQF_PERCPU, + .name = "pnx8xxx_timer", +}; + +static irqreturn_t monotonic_interrupt(int irq, void *dev_id) +{ + /* Timer 2 clear interrupt */ + write_c0_compare2(-1); + return IRQ_HANDLED; +} + +static struct irqaction monotonic_irqaction = { + .handler = monotonic_interrupt, + .flags = IRQF_DISABLED, + .name = "Monotonic timer", +}; + +static int pnx8xxx_set_next_event(unsigned long delta, + struct clock_event_device *evt) +{ + write_c0_compare(delta); + return 0; +} + +static struct clock_event_device pnx8xxx_clockevent = { + .name = "pnx8xxx_clockevent", + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = pnx8xxx_set_next_event, +}; + +static inline void timer_ack(void) +{ + write_c0_compare(cpj); +} + +__init void plat_time_init(void) +{ + unsigned int configPR; + unsigned int n; + unsigned int m; + unsigned int p; + unsigned int pow2p; + + clockevents_register_device(&pnx8xxx_clockevent); + clocksource_register(&pnx_clocksource); + + /* Timer 1 start */ + configPR = read_c0_config7(); + configPR &= ~0x00000008; + write_c0_config7(configPR); + + /* Timer 2 start */ + configPR = read_c0_config7(); + configPR &= ~0x00000010; + write_c0_config7(configPR); + + /* Timer 3 stop */ + configPR = read_c0_config7(); + configPR |= 0x00000020; + write_c0_config7(configPR); + + + /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */ + /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1: FIXME) */ + + n = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_N_MASK) >> 16; + m = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_M_MASK) >> 8; + p = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_P_MASK) >> 2; + pow2p = (1 << p); + + db_assert(m != 0 && pow2p != 0); + + /* + * Compute the frequency as in the PNX8550 User Manual 1.0, p.186 + * (a.k.a. 8-10). Divide by HZ for a timer offset that results in + * HZ timer interrupts per second. + */ + mips_hpt_frequency = 27UL * ((1000000UL * n)/(m * pow2p)); + cpj = (mips_hpt_frequency + HZ / 2) / HZ; + write_c0_count(0); + timer_ack(); + + /* Setup Timer 2 */ + write_c0_count2(0); + write_c0_compare2(0xffffffff); + + setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq); + setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction); +} diff --git a/arch/mips/nxp/pnx8550/jbs/Makefile b/arch/mips/nxp/pnx8550/jbs/Makefile new file mode 100644 index 0000000..ad6a8ca --- /dev/null +++ b/arch/mips/nxp/pnx8550/jbs/Makefile @@ -0,0 +1,4 @@ + +# Makefile for the NXP JBS Board. + +lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/nxp/pnx8550/jbs/board_setup.c b/arch/mips/nxp/pnx8550/jbs/board_setup.c new file mode 100644 index 0000000..f92826e --- /dev/null +++ b/arch/mips/nxp/pnx8550/jbs/board_setup.c @@ -0,0 +1,65 @@ +/* + * JBS Specific board startup routines. + * + * Copyright 2005, Embedded Alley Solutions, Inc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include + +/* CP0 hazard avoidance. */ +#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \ + "nop; nop; nop; nop; nop; nop;\n\t" \ + ".set reorder\n\t") + +void __init board_setup(void) +{ + unsigned long config0, configpr; + + config0 = read_c0_config(); + + /* clear all three cache coherency fields */ + config0 &= ~(0x7 | (7<<25) | (7<<28)); + config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) | + (CONF_CM_DEFAULT<<28)); + write_c0_config(config0); + BARRIER; + + configpr = read_c0_config7(); + configpr |= (1<<19); /* enable tlb */ + write_c0_config7(configpr); + BARRIER; +} diff --git a/arch/mips/nxp/pnx8550/jbs/init.c b/arch/mips/nxp/pnx8550/jbs/init.c new file mode 100644 index 0000000..d59b4a4 --- /dev/null +++ b/arch/mips/nxp/pnx8550/jbs/init.c @@ -0,0 +1,53 @@ +/* + * + * Copyright 2005 Embedded Alley Solutions, Inc + * source@embeddedalley.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +int prom_argc; +char **prom_argv, **prom_envp; +extern void __init prom_init_cmdline(void); +extern char *prom_getenv(char *envname); + +const char *get_system_type(void) +{ + return "NXP PNX8550/JBS"; +} + +void __init prom_init(void) +{ + unsigned long memsize; + + //memsize = 0x02800000; /* Trimedia uses memory above */ + memsize = 0x08000000; /* Trimedia uses memory above */ + add_memory_region(0, memsize, BOOT_MEM_RAM); +} diff --git a/arch/mips/nxp/pnx8550/jbs/irqmap.c b/arch/mips/nxp/pnx8550/jbs/irqmap.c new file mode 100644 index 0000000..7fc89842 --- /dev/null +++ b/arch/mips/nxp/pnx8550/jbs/irqmap.c @@ -0,0 +1,35 @@ +/* + * NXP JBS board irqmap. + * + * Copyright 2005 Embedded Alley Solutions, Inc + * source@embeddealley.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include + +char pnx8550_irq_tab[][5] __initdata = { + [8] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, + [9] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, + [17] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, +}; diff --git a/arch/mips/nxp/pnx8550/stb810/Makefile b/arch/mips/nxp/pnx8550/stb810/Makefile new file mode 100644 index 0000000..ab91d72 --- /dev/null +++ b/arch/mips/nxp/pnx8550/stb810/Makefile @@ -0,0 +1,4 @@ + +# Makefile for the NXP STB810 Board. + +lib-y := prom_init.o board_setup.o irqmap.o diff --git a/arch/mips/nxp/pnx8550/stb810/board_setup.c b/arch/mips/nxp/pnx8550/stb810/board_setup.c new file mode 100644 index 0000000..1282c27 --- /dev/null +++ b/arch/mips/nxp/pnx8550/stb810/board_setup.c @@ -0,0 +1,49 @@ +/* + * STB810 specific board startup routines. + * + * Based on the arch/mips/nxp/pnx8550/jbs/board_setup.c + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * Copyright 2005 MontaVista Software Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include + +void __init board_setup(void) +{ + unsigned long config0, configpr; + + config0 = read_c0_config(); + + /* clear all three cache coherency fields */ + config0 &= ~(0x7 | (7<<25) | (7<<28)); + config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) | + (CONF_CM_DEFAULT<<28)); + write_c0_config(config0); + + configpr = read_c0_config7(); + configpr |= (1<<19); /* enable tlb */ + write_c0_config7(configpr); +} diff --git a/arch/mips/nxp/pnx8550/stb810/irqmap.c b/arch/mips/nxp/pnx8550/stb810/irqmap.c new file mode 100644 index 0000000..8c03496 --- /dev/null +++ b/arch/mips/nxp/pnx8550/stb810/irqmap.c @@ -0,0 +1,22 @@ +/* + * NXP STB810 board irqmap. + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * Copyright 2005 MontaVista Software Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include + +char pnx8550_irq_tab[][5] __initdata = { + [8] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, + [9] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, + [10] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, +}; diff --git a/arch/mips/nxp/pnx8550/stb810/prom_init.c b/arch/mips/nxp/pnx8550/stb810/prom_init.c new file mode 100644 index 0000000..ca7f4ad --- /dev/null +++ b/arch/mips/nxp/pnx8550/stb810/prom_init.c @@ -0,0 +1,46 @@ +/* + * STB810 specific prom routines + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * Copyright 2005 MontaVista Software Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +int prom_argc; +char **prom_argv, **prom_envp; +extern void __init prom_init_cmdline(void); +extern char *prom_getenv(char *envname); + +const char *get_system_type(void) +{ + return "NXP PNX8950/STB810"; +} + +void __init prom_init(void) +{ + unsigned long memsize; + + prom_argc = (int) fw_arg0; + prom_argv = (char **) fw_arg1; + prom_envp = (char **) fw_arg2; + + prom_init_cmdline(); + + memsize = 0x08000000; /* Trimedia uses memory above */ + add_memory_region(0, memsize, BOOT_MEM_RAM); +} diff --git a/arch/mips/philips/pnx8550/common/Makefile b/arch/mips/philips/pnx8550/common/Makefile deleted file mode 100644 index 31cc1a5..0000000 --- a/arch/mips/philips/pnx8550/common/Makefile +++ /dev/null @@ -1,29 +0,0 @@ -# -# Per Hallsmark, per.hallsmark@mvista.com -# -# ######################################################################## -# -# This program is free software; you can distribute it and/or modify it -# under the terms of the GNU General Public License (Version 2) as -# published by the Free Software Foundation. -# -# This program is distributed in the hope it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -# for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. -# -# ####################################################################### -# -# Makefile for the PNX8550 specific kernel interface routines -# under Linux. -# - -obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o -obj-$(CONFIG_PCI) += pci.o -obj-$(CONFIG_KGDB) += gdb_hook.o - -EXTRA_CFLAGS += -Werror diff --git a/arch/mips/philips/pnx8550/common/gdb_hook.c b/arch/mips/philips/pnx8550/common/gdb_hook.c deleted file mode 100644 index ad4624f..0000000 --- a/arch/mips/philips/pnx8550/common/gdb_hook.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * This is the interface to the remote debugger stub. - * - */ -#include -#include -#include -#include -#include - -#include -#include - -#include - -static struct serial_state rs_table[IP3106_NR_PORTS] = { -}; -static struct async_struct kdb_port_info = {0}; - -void rs_kgdb_hook(int tty_no) -{ - struct serial_state *ser = &rs_table[tty_no]; - - kdb_port_info.state = ser; - kdb_port_info.magic = SERIAL_MAGIC; - kdb_port_info.port = tty_no; - kdb_port_info.flags = ser->flags; - - /* - * Clear all interrupts - */ - /* Clear all the transmitter FIFO counters (pointer and status) */ - ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_TX_RST; - /* Clear all the receiver FIFO counters (pointer and status) */ - ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_RX_RST; - /* Clear all interrupts */ - ip3106_iclr(UART_BASE, tty_no) = IP3106_UART_INT_ALLRX | - IP3106_UART_INT_ALLTX; - - /* - * Now, initialize the UART - */ - ip3106_lcr(UART_BASE, tty_no) = IP3106_UART_LCR_8BIT; - ip3106_baud(UART_BASE, tty_no) = 5; // 38400 Baud -} - -int putDebugChar(char c) -{ - /* Wait until FIFO not full */ - while (((ip3106_fifo(UART_BASE, kdb_port_info.port) & IP3106_UART_FIFO_TXFIFO) >> 16) >= 16) - ; - /* Send one char */ - ip3106_fifo(UART_BASE, kdb_port_info.port) = c; - - return 1; -} - -char getDebugChar(void) -{ - char ch; - - /* Wait until there is a char in the FIFO */ - while (!((ip3106_fifo(UART_BASE, kdb_port_info.port) & - IP3106_UART_FIFO_RXFIFO) >> 8)) - ; - /* Read one char */ - ch = ip3106_fifo(UART_BASE, kdb_port_info.port) & - IP3106_UART_FIFO_RBRTHR; - /* Advance the RX FIFO read pointer */ - ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_RX_NEXT; - return (ch); -} - -void rs_disable_debug_interrupts(void) -{ - ip3106_ien(UART_BASE, kdb_port_info.port) = 0; /* Disable all interrupts */ -} - -void rs_enable_debug_interrupts(void) -{ - /* Clear all the transmitter FIFO counters (pointer and status) */ - ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_TX_RST; - /* Clear all the receiver FIFO counters (pointer and status) */ - ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_RX_RST; - /* Clear all interrupts */ - ip3106_iclr(UART_BASE, kdb_port_info.port) = IP3106_UART_INT_ALLRX | - IP3106_UART_INT_ALLTX; - ip3106_ien(UART_BASE, kdb_port_info.port) = IP3106_UART_INT_ALLRX; /* Enable RX interrupts */ -} diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c deleted file mode 100644 index aad0342..0000000 --- a/arch/mips/philips/pnx8550/common/int.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * - * Copyright (C) 2005 Embedded Alley Solutions, Inc - * Ported to 2.6. - * - * Per Hallsmark, per.hallsmark@mvista.com - * Copyright (C) 2000, 2001 MIPS Technologies, Inc. - * Copyright (C) 2001 Ralf Baechle - * - * Cleaned up and bug fixing: Pete Popov, ppopov@embeddedalley.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -/* default prio for interrupts */ -/* first one is a no-no so therefore always prio 0 (disabled) */ -static char gic_prio[PNX8550_INT_GIC_TOTINT] = { - 0, 1, 1, 1, 1, 15, 1, 1, 1, 1, // 0 - 9 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 10 - 19 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 20 - 29 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 30 - 39 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 40 - 49 - 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, // 50 - 59 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 60 - 69 - 1 // 70 -}; - -static void hw0_irqdispatch(int irq) -{ - /* find out which interrupt */ - irq = PNX8550_GIC_VECTOR_0 >> 3; - - if (irq == 0) { - printk("hw0_irqdispatch: irq 0, spurious interrupt?\n"); - return; - } - do_IRQ(PNX8550_INT_GIC_MIN + irq); -} - - -static void timer_irqdispatch(int irq) -{ - irq = (0x01c0 & read_c0_config7()) >> 6; - - if (unlikely(irq == 0)) { - printk("timer_irqdispatch: irq 0, spurious interrupt?\n"); - return; - } - - if (irq & 0x1) - do_IRQ(PNX8550_INT_TIMER1); - if (irq & 0x2) - do_IRQ(PNX8550_INT_TIMER2); - if (irq & 0x4) - do_IRQ(PNX8550_INT_TIMER3); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - - if (pending & STATUSF_IP2) - hw0_irqdispatch(2); - else if (pending & STATUSF_IP7) { - if (read_c0_config7() & 0x01c0) - timer_irqdispatch(7); - } else - spurious_interrupt(); -} - -static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) -{ - unsigned long status = read_c0_status(); - - status &= ~((clr_mask & 0xFF) << 8); - status |= (set_mask & 0xFF) << 8; - - write_c0_status(status); -} - -static inline void mask_gic_int(unsigned int irq_nr) -{ - /* interrupt disabled, bit 26(WE_ENABLE)=1 and bit 16(enable)=0 */ - PNX8550_GIC_REQ(irq_nr) = 1<<28; /* set priority to 0 */ -} - -static inline void unmask_gic_int(unsigned int irq_nr) -{ - /* set prio mask to lower four bits and enable interrupt */ - PNX8550_GIC_REQ(irq_nr) = (1<<26 | 1<<16) | (1<<28) | gic_prio[irq_nr]; -} - -static inline void mask_irq(unsigned int irq_nr) -{ - if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) { - modify_cp0_intmask(1 << irq_nr, 0); - } else if ((PNX8550_INT_GIC_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_GIC_MAX)) { - mask_gic_int(irq_nr - PNX8550_INT_GIC_MIN); - } else if ((PNX8550_INT_TIMER_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_TIMER_MAX)) { - modify_cp0_intmask(1 << 7, 0); - } else { - printk("mask_irq: irq %d doesn't exist!\n", irq_nr); - } -} - -static inline void unmask_irq(unsigned int irq_nr) -{ - if ((PNX8550_INT_CP0_MIN <= irq_nr) && (irq_nr <= PNX8550_INT_CP0_MAX)) { - modify_cp0_intmask(0, 1 << irq_nr); - } else if ((PNX8550_INT_GIC_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_GIC_MAX)) { - unmask_gic_int(irq_nr - PNX8550_INT_GIC_MIN); - } else if ((PNX8550_INT_TIMER_MIN <= irq_nr) && - (irq_nr <= PNX8550_INT_TIMER_MAX)) { - modify_cp0_intmask(0, 1 << 7); - } else { - printk("mask_irq: irq %d doesn't exist!\n", irq_nr); - } -} - -int pnx8550_set_gic_priority(int irq, int priority) -{ - int gic_irq = irq-PNX8550_INT_GIC_MIN; - int prev_priority = PNX8550_GIC_REQ(gic_irq) & 0xf; - - gic_prio[gic_irq] = priority; - PNX8550_GIC_REQ(gic_irq) |= (0x10000000 | gic_prio[gic_irq]); - - return prev_priority; -} - -static struct irq_chip level_irq_type = { - .name = "PNX Level IRQ", - .ack = mask_irq, - .mask = mask_irq, - .mask_ack = mask_irq, - .unmask = unmask_irq, -}; - -static struct irqaction gic_action = { - .handler = no_action, - .flags = IRQF_DISABLED, - .name = "GIC", -}; - -static struct irqaction timer_action = { - .handler = no_action, - .flags = IRQF_DISABLED, - .name = "Timer", -}; - -void __init arch_init_irq(void) -{ - int i; - int configPR; - - for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) { - set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq); - mask_irq(i); /* mask the irq just in case */ - } - - /* init of GIC/IPC interrupts */ - /* should be done before cp0 since cp0 init enables the GIC int */ - for (i = PNX8550_INT_GIC_MIN; i <= PNX8550_INT_GIC_MAX; i++) { - int gic_int_line = i - PNX8550_INT_GIC_MIN; - if (gic_int_line == 0 ) - continue; // don't fiddle with int 0 - /* - * enable change of TARGET, ENABLE and ACTIVE_LOW bits - * set TARGET 0 to route through hw0 interrupt - * set ACTIVE_LOW 0 active high (correct?) - * - * We really should setup an interrupt description table - * to do this nicely. - * Note, PCI INTA is active low on the bus, but inverted - * in the GIC, so to us it's active high. - */ - PNX8550_GIC_REQ(i - PNX8550_INT_GIC_MIN) = 0x1E000000; - - /* mask/priority is still 0 so we will not get any - * interrupts until it is unmasked */ - - set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq); - } - - /* Priority level 0 */ - PNX8550_GIC_PRIMASK_0 = PNX8550_GIC_PRIMASK_1 = 0; - - /* Set int vector table address */ - PNX8550_GIC_VECTOR_0 = PNX8550_GIC_VECTOR_1 = 0; - - set_irq_chip_and_handler(MIPS_CPU_GIC_IRQ, &level_irq_type, - handle_level_irq); - setup_irq(MIPS_CPU_GIC_IRQ, &gic_action); - - /* init of Timer interrupts */ - for (i = PNX8550_INT_TIMER_MIN; i <= PNX8550_INT_TIMER_MAX; i++) - set_irq_chip_and_handler(i, &level_irq_type, handle_level_irq); - - /* Stop Timer 1-3 */ - configPR = read_c0_config7(); - configPR |= 0x00000038; - write_c0_config7(configPR); - - set_irq_chip_and_handler(MIPS_CPU_TIMER_IRQ, &level_irq_type, - handle_level_irq); - setup_irq(MIPS_CPU_TIMER_IRQ, &timer_action); -} - -EXPORT_SYMBOL(pnx8550_set_gic_priority); diff --git a/arch/mips/philips/pnx8550/common/pci.c b/arch/mips/philips/pnx8550/common/pci.c deleted file mode 100644 index eee4f3d..0000000 --- a/arch/mips/philips/pnx8550/common/pci.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * - * Author: source@mvista.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include -#include -#include -#include - -#include -#include -#include - -static struct resource pci_io_resource = { - .start = PNX8550_PCIIO + 0x1000, /* reserve regacy I/O space */ - .end = PNX8550_PCIIO + PNX8550_PCIIO_SIZE, - .name = "pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource pci_mem_resource = { - .start = PNX8550_PCIMEM, - .end = PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1, - .name = "pci memory space", - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops pnx8550_pci_ops; - -static struct pci_controller pnx8550_controller = { - .pci_ops = &pnx8550_pci_ops, - .io_resource = &pci_io_resource, - .mem_resource = &pci_mem_resource, -}; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -static inline unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -static int __init pnx8550_pci_setup(void) -{ - int pci_mem_code; - int mem_size = get_system_mem_size() >> 20; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* Calc the PCI mem size code */ - if (mem_size >= 128) - pci_mem_code = SIZE_128M; - else if (mem_size >= 64) - pci_mem_code = SIZE_64M; - else if (mem_size >= 32) - pci_mem_code = SIZE_32M; - else - pci_mem_code = SIZE_16M; - - /* Set PCI_XIO registers */ - outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO); - outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI); - outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO); - outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI); - - /* Send memory transaction via PCI_BASE2 */ - outl(0x00000001, PCI_BASE | PCI_IO); - - /* Unlock the setup register */ - outl(0xca, PCI_BASE | PCI_UNLOCKREG); - - /* - * BAR0 of PNX8550 (pci base 10) must be zero in order for ide - * to work, and in order for bus_to_baddr to work without any - * hacks. - */ - outl(0x00000000, PCI_BASE | PCI_BASE10); - - /* - *These two bars are set by default or the boot code. - * However, it's safer to set them here so we're not boot - * code dependent. - */ - outl(0x1be00000, PCI_BASE | PCI_BASE14); /* PNX MMIO */ - outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18); /* XIO */ - - outl(PCI_EN_TA | - PCI_EN_PCI2MMI | - PCI_EN_XIO | - PCI_SETUP_BASE18_SIZE(SIZE_32M) | - PCI_SETUP_BASE18_EN | - PCI_SETUP_BASE14_EN | - PCI_SETUP_BASE10_PREF | - PCI_SETUP_BASE10_SIZE(pci_mem_code) | - PCI_SETUP_CFGMANAGE_EN | - PCI_SETUP_PCIARB_EN, - PCI_BASE | - PCI_SETUP); /* PCI_SETUP */ - outl(0x00000000, PCI_BASE | PCI_CTRL); /* PCI_CONTROL */ - - register_pci_controller(&pnx8550_controller); - - return 0; -} - -arch_initcall(pnx8550_pci_setup); diff --git a/arch/mips/philips/pnx8550/common/platform.c b/arch/mips/philips/pnx8550/common/platform.c deleted file mode 100644 index c839436..0000000 --- a/arch/mips/philips/pnx8550/common/platform.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * Platform device support for Philips PNX8550 SoCs - * - * Copyright 2005, Embedded Alley Solutions, Inc - * - * Based on arch/mips/au1000/common/platform.c - * Platform device support for Au1x00 SoCs. - * - * Copyright 2004, Matt Porter - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -static struct resource pnx8550_usb_ohci_resources[] = { - [0] = { - .start = PNX8550_USB_OHCI_OP_BASE, - .end = PNX8550_USB_OHCI_OP_BASE + - PNX8550_USB_OHCI_OP_LEN, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = PNX8550_INT_USB, - .end = PNX8550_INT_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource pnx8550_uart_resources[] = { - [0] = { - .start = PNX8550_UART_PORT0, - .end = PNX8550_UART_PORT0 + 0xfff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = PNX8550_UART_INT(0), - .end = PNX8550_UART_INT(0), - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = PNX8550_UART_PORT1, - .end = PNX8550_UART_PORT1 + 0xfff, - .flags = IORESOURCE_MEM, - }, - [3] = { - .start = PNX8550_UART_INT(1), - .end = PNX8550_UART_INT(1), - .flags = IORESOURCE_IRQ, - }, -}; - -struct pnx8xxx_port pnx8xxx_ports[] = { - [0] = { - .port = { - .type = PORT_PNX8XXX, - .iotype = UPIO_MEM, - .membase = (void __iomem *)PNX8550_UART_PORT0, - .mapbase = PNX8550_UART_PORT0, - .irq = PNX8550_UART_INT(0), - .uartclk = 3692300, - .fifosize = 16, - .flags = UPF_BOOT_AUTOCONF, - .line = 0, - }, - }, - [1] = { - .port = { - .type = PORT_PNX8XXX, - .iotype = UPIO_MEM, - .membase = (void __iomem *)PNX8550_UART_PORT1, - .mapbase = PNX8550_UART_PORT1, - .irq = PNX8550_UART_INT(1), - .uartclk = 3692300, - .fifosize = 16, - .flags = UPF_BOOT_AUTOCONF, - .line = 1, - }, - }, -}; - -/* The dmamask must be set for OHCI to work */ -static u64 ohci_dmamask = ~(u32)0; - -static u64 uart_dmamask = ~(u32)0; - -static struct platform_device pnx8550_usb_ohci_device = { - .name = "pnx8550-ohci", - .id = -1, - .dev = { - .dma_mask = &ohci_dmamask, - .coherent_dma_mask = 0xffffffff, - }, - .num_resources = ARRAY_SIZE(pnx8550_usb_ohci_resources), - .resource = pnx8550_usb_ohci_resources, -}; - -static struct platform_device pnx8550_uart_device = { - .name = "pnx8xxx-uart", - .id = -1, - .dev = { - .dma_mask = &uart_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = pnx8xxx_ports, - }, - .num_resources = ARRAY_SIZE(pnx8550_uart_resources), - .resource = pnx8550_uart_resources, -}; - -static struct platform_device *pnx8550_platform_devices[] __initdata = { - &pnx8550_usb_ohci_device, - &pnx8550_uart_device, -}; - -static int __init pnx8550_platform_init(void) -{ - return platform_add_devices(pnx8550_platform_devices, - ARRAY_SIZE(pnx8550_platform_devices)); -} - -arch_initcall(pnx8550_platform_init); diff --git a/arch/mips/philips/pnx8550/common/proc.c b/arch/mips/philips/pnx8550/common/proc.c deleted file mode 100644 index 18b125e3..0000000 --- a/arch/mips/philips/pnx8550/common/proc.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - - -static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) -{ - int len = 0; - int configPR = read_c0_config7(); - - if (offset==0) { - len += sprintf(&page[len], "Timer: count, compare, tc, status\n"); - len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n", - read_c0_count(), read_c0_compare(), - (configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on"); - len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n", - read_c0_count2(), read_c0_compare2(), - (configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on"); - len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n", - read_c0_count3(), read_c0_compare3(), - (configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on"); - } - - return len; -} - -static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) -{ - int len = 0; - - if (offset==0) { - len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1()); - len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2()); - len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3()); - len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7()); - len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status()); - len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause()); - len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count()); - len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2()); - len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3()); - len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare()); - len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2()); - len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3()); - } - - return len; -} - -static struct proc_dir_entry* pnx8550_dir = NULL; -static struct proc_dir_entry* pnx8550_timers = NULL; -static struct proc_dir_entry* pnx8550_registers = NULL; - -static int pnx8550_proc_init( void ) -{ - - // Create /proc/pnx8550 - pnx8550_dir = proc_mkdir("pnx8550", NULL); - if (!pnx8550_dir) { - printk(KERN_ERR "Can't create pnx8550 proc dir\n"); - return -1; - } - - // Create /proc/pnx8550/timers - pnx8550_timers = create_proc_read_entry( - "timers", - 0, - pnx8550_dir, - pnx8550_timers_read, - NULL); - - if (!pnx8550_timers) - printk(KERN_ERR "Can't create pnx8550 timers proc file\n"); - - // Create /proc/pnx8550/registers - pnx8550_registers = create_proc_read_entry( - "registers", - 0, - pnx8550_dir, - pnx8550_registers_read, - NULL); - - if (!pnx8550_registers) - printk(KERN_ERR "Can't create pnx8550 registers proc file\n"); - - return 0; -} - -__initcall(pnx8550_proc_init); diff --git a/arch/mips/philips/pnx8550/common/prom.c b/arch/mips/philips/pnx8550/common/prom.c deleted file mode 100644 index 2f56745..0000000 --- a/arch/mips/philips/pnx8550/common/prom.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * - * Per Hallsmark, per.hallsmark@mvista.com - * - * Based on jmr3927/common/prom.c - * - * 2004 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include -#include -#include -#include -#include - -#include -#include - -/* #define DEBUG_CMDLINE */ - -extern int prom_argc; -extern char **prom_argv, **prom_envp; - -typedef struct -{ - char *name; -/* char *val; */ -}t_env_var; - - -char * prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); -} - -void __init prom_init_cmdline(void) -{ - int i; - - arcs_cmdline[0] = '\0'; - for (i = 0; i < prom_argc; i++) { - strcat(arcs_cmdline, prom_argv[i]); - strcat(arcs_cmdline, " "); - } -} - -char *prom_getenv(char *envname) -{ - /* - * Return a pointer to the given environment variable. - * Environment variables are stored in the form of "memsize=64". - */ - - t_env_var *env = (t_env_var *)prom_envp; - int i; - - i = strlen(envname); - - while(env->name) { - if(strncmp(envname, env->name, i) == 0) { - return(env->name + strlen(envname) + 1); - } - env++; - } - return(NULL); -} - -inline unsigned char str2hexnum(unsigned char c) -{ - if(c >= '0' && c <= '9') - return c - '0'; - if(c >= 'a' && c <= 'f') - return c - 'a' + 10; - if(c >= 'A' && c <= 'F') - return c - 'A' + 10; - return 0; /* foo */ -} - -inline void str2eaddr(unsigned char *ea, unsigned char *str) -{ - int i; - - for(i = 0; i < 6; i++) { - unsigned char num; - - if((*str == '.') || (*str == ':')) - str++; - num = str2hexnum(*str++) << 4; - num |= (str2hexnum(*str++)); - ea[i] = num; - } -} - -int get_ethernet_addr(char *ethernet_addr) -{ - char *ethaddr_str; - - ethaddr_str = prom_getenv("ethaddr"); - if (!ethaddr_str) { - printk("ethaddr not set in boot prom\n"); - return -1; - } - str2eaddr(ethernet_addr, ethaddr_str); - return 0; -} - -void __init prom_free_prom_memory(void) -{ -} - -extern int pnx8550_console_port; - -/* used by early printk */ -void prom_putchar(char c) -{ - if (pnx8550_console_port != -1) { - /* Wait until FIFO not full */ - while( ((ip3106_fifo(UART_BASE, pnx8550_console_port) & PNX8XXX_UART_FIFO_TXFIFO) >> 16) >= 16) - ; - /* Send one char */ - ip3106_fifo(UART_BASE, pnx8550_console_port) = c; - } -} - -EXPORT_SYMBOL(prom_getcmdline); -EXPORT_SYMBOL(get_ethernet_addr); -EXPORT_SYMBOL(str2eaddr); diff --git a/arch/mips/philips/pnx8550/common/reset.c b/arch/mips/philips/pnx8550/common/reset.c deleted file mode 100644 index 7b2cbc5..0000000 --- a/arch/mips/philips/pnx8550/common/reset.c +++ /dev/null @@ -1,49 +0,0 @@ -/*. - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * Reset the PNX8550 board. - * - */ -#include -#include -#include - -void pnx8550_machine_restart(char *command) -{ - char head[] = "************* Machine restart *************"; - char foot[] = "*******************************************"; - - printk("\n\n"); - printk("%s\n", head); - if (command != NULL) - printk("* %s\n", command); - printk("%s\n", foot); - - PNX8550_RST_CTL = PNX8550_RST_DO_SW_RST; -} - -void pnx8550_machine_halt(void) -{ - printk("*** Machine halt. (Not implemented) ***\n"); -} - -void pnx8550_machine_power_off(void) -{ - printk("*** Machine power off. (Not implemented) ***\n"); -} diff --git a/arch/mips/philips/pnx8550/common/setup.c b/arch/mips/philips/pnx8550/common/setup.c deleted file mode 100644 index 92d764c..0000000 --- a/arch/mips/philips/pnx8550/common/setup.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * - * 2.6 port, Embedded Alley Solutions, Inc - * - * Based on Per Hallsmark, per.hallsmark@mvista.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -extern void __init board_setup(void); -extern void pnx8550_machine_restart(char *); -extern void pnx8550_machine_halt(void); -extern void pnx8550_machine_power_off(void); -extern struct resource ioport_resource; -extern struct resource iomem_resource; -extern void rs_kgdb_hook(int tty_no); -extern char *prom_getcmdline(void); - -struct resource standard_io_resources[] = { - { - .start = 0x00, - .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { - .start = 0x80, - .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { - .start = 0xc0, - .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY - }, -}; - -#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources) - -extern struct resource pci_io_resource; -extern struct resource pci_mem_resource; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -int pnx8550_console_port = -1; - -void __init plat_mem_setup(void) -{ - int i; - char* argptr; - - board_setup(); /* board specific setup */ - - _machine_restart = pnx8550_machine_restart; - _machine_halt = pnx8550_machine_halt; - pm_power_off = pnx8550_machine_power_off; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* IO/MEM resources. */ - set_io_port_base(KSEG1); - ioport_resource.start = 0; - ioport_resource.end = ~0; - iomem_resource.start = 0; - iomem_resource.end = ~0; - - /* Request I/O space for devices on this board */ - for (i = 0; i < STANDARD_IO_RESOURCES; i++) - request_resource(&ioport_resource, standard_io_resources + i); - - /* Place the Mode Control bit for GPIO pin 16 in primary function */ - /* Pin 16 is used by UART1, UA1_TX */ - outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) | - (PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT), - PNX8550_GPIO_MC1); - - argptr = prom_getcmdline(); - if ((argptr = strstr(argptr, "console=ttyS")) != NULL) { - argptr += strlen("console=ttyS"); - pnx8550_console_port = *argptr == '0' ? 0 : 1; - - /* We must initialize the UART (console) before early printk */ - /* Set LCR to 8-bit and BAUD to 38400 (no 5) */ - ip3106_lcr(UART_BASE, pnx8550_console_port) = - PNX8XXX_UART_LCR_8BIT; - ip3106_baud(UART_BASE, pnx8550_console_port) = 5; - } - -#ifdef CONFIG_KGDB - argptr = prom_getcmdline(); - if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) { - int line; - argptr += strlen("kgdb=ttyS"); - line = *argptr == '0' ? 0 : 1; - rs_kgdb_hook(line); - pr_info("KGDB: Using ttyS%i for session, " - "please connect your debugger\n", line ? 1 : 0); - } -#endif - return; -} diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c deleted file mode 100644 index 62f495b..0000000 --- a/arch/mips/philips/pnx8550/common/time.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Copyright 2001, 2002, 2003 MontaVista Software Inc. - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) - * - * Common time service routines for MIPS machines. See - * Documents/MIPS/README.txt. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include -#include - -static unsigned long cpj; - -static cycle_t hpt_read(void) -{ - return read_c0_count2(); -} - -static struct clocksource pnx_clocksource = { - .name = "pnx8xxx", - .rating = 200, - .read = hpt_read, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *c = dev_id; - - /* clear MATCH, signal the event */ - c->event_handler(c); - - return IRQ_HANDLED; -} - -static struct irqaction pnx8xxx_timer_irq = { - .handler = pnx8xxx_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, - .name = "pnx8xxx_timer", -}; - -static irqreturn_t monotonic_interrupt(int irq, void *dev_id) -{ - /* Timer 2 clear interrupt */ - write_c0_compare2(-1); - return IRQ_HANDLED; -} - -static struct irqaction monotonic_irqaction = { - .handler = monotonic_interrupt, - .flags = IRQF_DISABLED, - .name = "Monotonic timer", -}; - -static int pnx8xxx_set_next_event(unsigned long delta, - struct clock_event_device *evt) -{ - write_c0_compare(delta); - return 0; -} - -static struct clock_event_device pnx8xxx_clockevent = { - .name = "pnx8xxx_clockevent", - .features = CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = pnx8xxx_set_next_event, -}; - -static inline void timer_ack(void) -{ - write_c0_compare(cpj); -} - -__init void plat_time_init(void) -{ - unsigned int configPR; - unsigned int n; - unsigned int m; - unsigned int p; - unsigned int pow2p; - - clockevents_register_device(&pnx8xxx_clockevent); - clocksource_register(&pnx_clocksource); - - /* Timer 1 start */ - configPR = read_c0_config7(); - configPR &= ~0x00000008; - write_c0_config7(configPR); - - /* Timer 2 start */ - configPR = read_c0_config7(); - configPR &= ~0x00000010; - write_c0_config7(configPR); - - /* Timer 3 stop */ - configPR = read_c0_config7(); - configPR |= 0x00000020; - write_c0_config7(configPR); - - - /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */ - /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1: FIXME) */ - - n = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_N_MASK) >> 16; - m = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_M_MASK) >> 8; - p = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_P_MASK) >> 2; - pow2p = (1 << p); - - db_assert(m != 0 && pow2p != 0); - - /* - * Compute the frequency as in the PNX8550 User Manual 1.0, p.186 - * (a.k.a. 8-10). Divide by HZ for a timer offset that results in - * HZ timer interrupts per second. - */ - mips_hpt_frequency = 27UL * ((1000000UL * n)/(m * pow2p)); - cpj = (mips_hpt_frequency + HZ / 2) / HZ; - write_c0_count(0); - timer_ack(); - - /* Setup Timer 2 */ - write_c0_count2(0); - write_c0_compare2(0xffffffff); - - setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq); - setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction); -} diff --git a/arch/mips/philips/pnx8550/jbs/Makefile b/arch/mips/philips/pnx8550/jbs/Makefile deleted file mode 100644 index e8228db..0000000 --- a/arch/mips/philips/pnx8550/jbs/Makefile +++ /dev/null @@ -1,4 +0,0 @@ - -# Makefile for the Philips JBS Board. - -lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/philips/pnx8550/jbs/board_setup.c b/arch/mips/philips/pnx8550/jbs/board_setup.c deleted file mode 100644 index e550a3e..0000000 --- a/arch/mips/philips/pnx8550/jbs/board_setup.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * JBS Specific board startup routines. - * - * Copyright 2005, Embedded Alley Solutions, Inc - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include - -/* CP0 hazard avoidance. */ -#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \ - "nop; nop; nop; nop; nop; nop;\n\t" \ - ".set reorder\n\t") - -void __init board_setup(void) -{ - unsigned long config0, configpr; - - config0 = read_c0_config(); - - /* clear all three cache coherency fields */ - config0 &= ~(0x7 | (7<<25) | (7<<28)); - config0 |= (_page_cachable_default >> _CACHE_SHIFT) | - (CONF_CM_DEFAULT << 25) | (CONF_CM_DEFAULT << 28); - write_c0_config(config0); - BARRIER; - - configpr = read_c0_config7(); - configpr |= (1<<19); /* enable tlb */ - write_c0_config7(configpr); - BARRIER; -} diff --git a/arch/mips/philips/pnx8550/jbs/init.c b/arch/mips/philips/pnx8550/jbs/init.c deleted file mode 100644 index 90b4d35..0000000 --- a/arch/mips/philips/pnx8550/jbs/init.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * - * Copyright 2005 Embedded Alley Solutions, Inc - * source@embeddedalley.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -int prom_argc; -char **prom_argv, **prom_envp; -extern void __init prom_init_cmdline(void); -extern char *prom_getenv(char *envname); - -const char *get_system_type(void) -{ - return "Philips PNX8550/JBS"; -} - -void __init prom_init(void) -{ - unsigned long memsize; - - //memsize = 0x02800000; /* Trimedia uses memory above */ - memsize = 0x08000000; /* Trimedia uses memory above */ - add_memory_region(0, memsize, BOOT_MEM_RAM); -} diff --git a/arch/mips/philips/pnx8550/jbs/irqmap.c b/arch/mips/philips/pnx8550/jbs/irqmap.c deleted file mode 100644 index 98c3429..0000000 --- a/arch/mips/philips/pnx8550/jbs/irqmap.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Philips JBS board irqmap. - * - * Copyright 2005 Embedded Alley Solutions, Inc - * source@embeddealley.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include -#include - -char pnx8550_irq_tab[][5] __initdata = { - [8] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, - [9] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, - [17] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, -}; - diff --git a/arch/mips/philips/pnx8550/stb810/Makefile b/arch/mips/philips/pnx8550/stb810/Makefile deleted file mode 100644 index f14b592..0000000 --- a/arch/mips/philips/pnx8550/stb810/Makefile +++ /dev/null @@ -1,4 +0,0 @@ - -# Makefile for the Philips STB810 Board. - -lib-y := prom_init.o board_setup.o irqmap.o diff --git a/arch/mips/philips/pnx8550/stb810/board_setup.c b/arch/mips/philips/pnx8550/stb810/board_setup.c deleted file mode 100644 index d461d7a..0000000 --- a/arch/mips/philips/pnx8550/stb810/board_setup.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * STB810 specific board startup routines. - * - * Based on the arch/mips/philips/pnx8550/jbs/board_setup.c - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * Copyright 2005 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include - -void __init board_setup(void) -{ - unsigned long config0, configpr; - - config0 = read_c0_config(); - - /* clear all three cache coherency fields */ - config0 &= ~(0x7 | (7<<25) | (7<<28)); - config0 |= (_page_cachable_default >> _CACHE_SHIFT) | - (CONF_CM_DEFAULT << 25) | (CONF_CM_DEFAULT << 28); - write_c0_config(config0); - - configpr = read_c0_config7(); - configpr |= (1<<19); /* enable tlb */ - write_c0_config7(configpr); -} diff --git a/arch/mips/philips/pnx8550/stb810/irqmap.c b/arch/mips/philips/pnx8550/stb810/irqmap.c deleted file mode 100644 index 5ee11e1..0000000 --- a/arch/mips/philips/pnx8550/stb810/irqmap.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Philips STB810 board irqmap. - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * Copyright 2005 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include - -char pnx8550_irq_tab[][5] __initdata = { - [8] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, - [9] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, - [10] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff}, -}; - diff --git a/arch/mips/philips/pnx8550/stb810/prom_init.c b/arch/mips/philips/pnx8550/stb810/prom_init.c deleted file mode 100644 index 832dd60..0000000 --- a/arch/mips/philips/pnx8550/stb810/prom_init.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * STB810 specific prom routines - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * Copyright 2005 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -int prom_argc; -char **prom_argv, **prom_envp; -extern void __init prom_init_cmdline(void); -extern char *prom_getenv(char *envname); - -const char *get_system_type(void) -{ - return "Philips PNX8550/STB810"; -} - -void __init prom_init(void) -{ - unsigned long memsize; - - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; - - prom_init_cmdline(); - - memsize = 0x08000000; /* Trimedia uses memory above */ - add_memory_region(0, memsize, BOOT_MEM_RAM); -} -- cgit v1.1