summaryrefslogtreecommitdiff
path: root/arch/mips/ddb5xxx/ddb5476
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5476')
-rw-r--r--arch/mips/ddb5xxx/ddb5476/Makefile9
-rw-r--r--arch/mips/ddb5xxx/ddb5476/dbg_io.c136
-rw-r--r--arch/mips/ddb5xxx/ddb5476/irq.c165
-rw-r--r--arch/mips/ddb5xxx/ddb5476/nile4_pic.c190
-rw-r--r--arch/mips/ddb5xxx/ddb5476/setup.c321
-rw-r--r--arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c109
6 files changed, 0 insertions, 930 deletions
diff --git a/arch/mips/ddb5xxx/ddb5476/Makefile b/arch/mips/ddb5xxx/ddb5476/Makefile
deleted file mode 100644
index ab0312cb47b4..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for the NEC DDB Vrc-5476 specific kernel interface routines
-# under Linux.
-#
-
-obj-y += setup.o irq.o nile4_pic.o vrc5476_irq.o
-obj-$(CONFIG_KGDB) += dbg_io.o
-
-EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/ddb5xxx/ddb5476/dbg_io.c b/arch/mips/ddb5xxx/ddb5476/dbg_io.c
deleted file mode 100644
index f2296a999953..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/dbg_io.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * kgdb io functions for DDB5476. We use the second serial port.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * 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.
- *
- */
-
-/* ======================= CONFIG ======================== */
-
-/* [jsun] we use the second serial port for kdb */
-#define BASE 0xa60002f8
-#define MAX_BAUD 115200
-
-/* distance in bytes between two serial registers */
-#define REG_OFFSET 1
-
-/*
- * 0 - kgdb does serial init
- * 1 - kgdb skip serial init
- */
-static int remoteDebugInitialized = 0;
-
-/*
- * the default baud rate *if* kgdb does serial init
- */
-#define BAUD_DEFAULT UART16550_BAUD_38400
-
-/* ======================= END OF CONFIG ======================== */
-
-typedef unsigned char uint8;
-typedef unsigned int uint32;
-
-#define UART16550_BAUD_2400 2400
-#define UART16550_BAUD_4800 4800
-#define UART16550_BAUD_9600 9600
-#define UART16550_BAUD_19200 19200
-#define UART16550_BAUD_38400 38400
-#define UART16550_BAUD_57600 57600
-#define UART16550_BAUD_115200 115200
-
-#define UART16550_PARITY_NONE 0
-#define UART16550_PARITY_ODD 0x08
-#define UART16550_PARITY_EVEN 0x18
-#define UART16550_PARITY_MARK 0x28
-#define UART16550_PARITY_SPACE 0x38
-
-#define UART16550_DATA_5BIT 0x0
-#define UART16550_DATA_6BIT 0x1
-#define UART16550_DATA_7BIT 0x2
-#define UART16550_DATA_8BIT 0x3
-
-#define UART16550_STOP_1BIT 0x0
-#define UART16550_STOP_2BIT 0x4
-
-/* register offset */
-#define OFS_RCV_BUFFER 0
-#define OFS_TRANS_HOLD 0
-#define OFS_SEND_BUFFER 0
-#define OFS_INTR_ENABLE (1*REG_OFFSET)
-#define OFS_INTR_ID (2*REG_OFFSET)
-#define OFS_DATA_FORMAT (3*REG_OFFSET)
-#define OFS_LINE_CONTROL (3*REG_OFFSET)
-#define OFS_MODEM_CONTROL (4*REG_OFFSET)
-#define OFS_RS232_OUTPUT (4*REG_OFFSET)
-#define OFS_LINE_STATUS (5*REG_OFFSET)
-#define OFS_MODEM_STATUS (6*REG_OFFSET)
-#define OFS_RS232_INPUT (6*REG_OFFSET)
-#define OFS_SCRATCH_PAD (7*REG_OFFSET)
-
-#define OFS_DIVISOR_LSB (0*REG_OFFSET)
-#define OFS_DIVISOR_MSB (1*REG_OFFSET)
-
-
-/* memory-mapped read/write of the port */
-#define UART16550_READ(y) (*((volatile uint8*)(BASE + y)))
-#define UART16550_WRITE(y, z) ((*((volatile uint8*)(BASE + y))) = z)
-
-void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
-{
- /* disable interrupts */
- UART16550_WRITE(OFS_INTR_ENABLE, 0);
-
- /* set up baud rate */
- {
- uint32 divisor;
-
- /* set DIAB bit */
- UART16550_WRITE(OFS_LINE_CONTROL, 0x80);
-
- /* set divisor */
- divisor = MAX_BAUD / baud;
- UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff);
- UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00) >> 8);
-
- /* clear DIAB bit */
- UART16550_WRITE(OFS_LINE_CONTROL, 0x0);
- }
-
- /* set data format */
- UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop);
-}
-
-
-uint8 getDebugChar(void)
-{
- if (!remoteDebugInitialized) {
- remoteDebugInitialized = 1;
- debugInit(BAUD_DEFAULT,
- UART16550_DATA_8BIT,
- UART16550_PARITY_NONE, UART16550_STOP_1BIT);
- }
-
- while ((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0);
- return UART16550_READ(OFS_RCV_BUFFER);
-}
-
-
-int putDebugChar(uint8 byte)
-{
- if (!remoteDebugInitialized) {
- remoteDebugInitialized = 1;
- debugInit(BAUD_DEFAULT,
- UART16550_DATA_8BIT,
- UART16550_PARITY_NONE, UART16550_STOP_1BIT);
- }
-
- while ((UART16550_READ(OFS_LINE_STATUS) & 0x20) == 0);
- UART16550_WRITE(OFS_SEND_BUFFER, byte);
- return 1;
-}
diff --git a/arch/mips/ddb5xxx/ddb5476/irq.c b/arch/mips/ddb5xxx/ddb5476/irq.c
deleted file mode 100644
index 7583a1f30711..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/irq.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * arch/mips/ddb5476/irq.c -- NEC DDB Vrc-5476 interrupt routines
- *
- * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- * Sony Software Development Center Europe (SDCE), Brussels
- *
- * Re-write the whole thing to use new irq.c file.
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-
-#include <asm/i8259.h>
-#include <asm/io.h>
-#include <asm/ptrace.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-#define M1543_PNP_CONFIG 0x03f0 /* PnP Config Port */
-#define M1543_PNP_INDEX 0x03f0 /* PnP Index Port */
-#define M1543_PNP_DATA 0x03f1 /* PnP Data Port */
-
-#define M1543_PNP_ALT_CONFIG 0x0370 /* Alternative PnP Config Port */
-#define M1543_PNP_ALT_INDEX 0x0370 /* Alternative PnP Index Port */
-#define M1543_PNP_ALT_DATA 0x0371 /* Alternative PnP Data Port */
-
-#define M1543_INT1_MASTER_CTRL 0x0020 /* INT_1 (master) Control Register */
-#define M1543_INT1_MASTER_MASK 0x0021 /* INT_1 (master) Mask Register */
-
-#define M1543_INT1_SLAVE_CTRL 0x00a0 /* INT_1 (slave) Control Register */
-#define M1543_INT1_SLAVE_MASK 0x00a1 /* INT_1 (slave) Mask Register */
-
-#define M1543_INT1_MASTER_ELCR 0x04d0 /* INT_1 (master) Edge/Level Control */
-#define M1543_INT1_SLAVE_ELCR 0x04d1 /* INT_1 (slave) Edge/Level Control */
-
-static void m1543_irq_setup(void)
-{
- /*
- * The ALI M1543 has 13 interrupt inputs, IRQ1..IRQ13. Not all
- * the possible IO sources in the M1543 are in use by us. We will
- * use the following mapping:
- *
- * IRQ1 - keyboard (default set by M1543)
- * IRQ3 - reserved for UART B (default set by M1543) (note that
- * the schematics for the DDB Vrc-5476 board seem to
- * indicate that IRQ3 is connected to the DS1386
- * watchdog timer interrupt output so we might have
- * a conflict)
- * IRQ4 - reserved for UART A (default set by M1543)
- * IRQ5 - parallel (default set by M1543)
- * IRQ8 - DS1386 time of day (RTC) interrupt
- * IRQ9 - USB (hardwired in ddb_setup)
- * IRQ10 - PMU (hardwired in ddb_setup)
- * IRQ12 - mouse
- * IRQ14,15 - IDE controller (need to be confirmed, jsun)
- */
-
- /*
- * Assing mouse interrupt to IRQ12
- */
-
- /* Enter configuration mode */
- outb(0x51, M1543_PNP_CONFIG);
- outb(0x23, M1543_PNP_CONFIG);
-
- /* Select logical device 7 (Keyboard) */
- outb(0x07, M1543_PNP_INDEX);
- outb(0x07, M1543_PNP_DATA);
-
- /* Select IRQ12 */
- outb(0x72, M1543_PNP_INDEX);
- outb(0x0c, M1543_PNP_DATA);
-
- /* Leave configration mode */
- outb(0xbb, M1543_PNP_CONFIG);
-}
-
-static void nile4_irq_setup(void)
-{
- int i;
-
- /* Map all interrupts to CPU int #0 (IP2) */
- nile4_map_irq_all(0);
-
- /* PCI INTA#-E# must be level triggered */
- nile4_set_pci_irq_level_or_edge(0, 1);
- nile4_set_pci_irq_level_or_edge(1, 1);
- nile4_set_pci_irq_level_or_edge(2, 1);
- nile4_set_pci_irq_level_or_edge(3, 1);
-
- /* PCI INTA#, B#, D# must be active low, INTC# must be active high */
- nile4_set_pci_irq_polarity(0, 0);
- nile4_set_pci_irq_polarity(1, 0);
- nile4_set_pci_irq_polarity(2, 1);
- nile4_set_pci_irq_polarity(3, 0);
-
- for (i = 0; i < 16; i++)
- nile4_clear_irq(i);
-
- /* Enable CPU int #0 */
- nile4_enable_irq_output(0);
-
- /* memory resource acquire in ddb_setup */
-}
-
-static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL };
-static struct irqaction irq_error = { no_action, 0, CPU_MASK_NONE, "error", NULL, NULL };
-
-extern int setup_irq(unsigned int irq, struct irqaction *irqaction);
-extern void mips_cpu_irq_init(u32 irq_base);
-extern void vrc5476_irq_init(u32 irq_base);
-
-extern void vrc5476_irq_dispatch(struct pt_regs *regs);
-
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
-{
- unsigned int pending = read_c0_cause() & read_c0_status();
-
- if (pending & STATUSF_IP7)
- do_IRQ(CPU_IRQ_BASE + 7, regs);
- else if (pending & STATUSF_IP2)
- vrc5476_irq_dispatch(regs);
- else if (pending & STATUSF_IP3)
- do_IRQ(CPU_IRQ_BASE + 3, regs);
- else if (pending & STATUSF_IP4)
- do_IRQ(CPU_IRQ_BASE + 4, regs);
- else if (pending & STATUSF_IP5)
- do_IRQ(CPU_IRQ_BASE + 5, regs);
- else if (pending & STATUSF_IP6)
- do_IRQ(CPU_IRQ_BASE + 6, regs);
- else if (pending & STATUSF_IP0)
- do_IRQ(CPU_IRQ_BASE, regs);
- else if (pending & STATUSF_IP1)
- do_IRQ(CPU_IRQ_BASE + 1, regs);
-
- vrc5476_irq_dispatch(regs);
-}
-
-void __init arch_init_irq(void)
-{
- /* hardware initialization */
- nile4_irq_setup();
- m1543_irq_setup();
-
- /* controller setup */
- init_i8259_irqs();
- vrc5476_irq_init(VRC5476_IRQ_BASE);
- mips_cpu_irq_init(CPU_IRQ_BASE);
-
- /* setup cascade interrupts */
- setup_irq(VRC5476_IRQ_BASE + VRC5476_I8259_CASCADE, &irq_cascade);
- setup_irq(CPU_IRQ_BASE + CPU_VRC5476_CASCADE, &irq_cascade);
-
- /* setup error interrupts for debugging */
- setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_CPCE, &irq_error);
- setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_CNTD, &irq_error);
- setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_MCE, &irq_error);
- setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_LBRT, &irq_error);
- setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCIS, &irq_error);
- setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCI, &irq_error);
-}
diff --git a/arch/mips/ddb5xxx/ddb5476/nile4_pic.c b/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
deleted file mode 100644
index e930cee7944f..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * arch/mips/ddb5476/nile4.c --
- * low-level PIC code for NEC Vrc-5476 (Nile 4)
- *
- * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- * Sony Software Development Center Europe (SDCE), Brussels
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- */
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-
-/*
- * Interrupt Programming
- */
-void nile4_map_irq(int nile4_irq, int cpu_irq)
-{
- u32 offset, t;
-
- offset = DDB_INTCTRL;
- if (nile4_irq >= 8) {
- offset += 4;
- nile4_irq -= 8;
- }
- t = ddb_in32(offset);
- t &= ~(7 << (nile4_irq * 4));
- t |= cpu_irq << (nile4_irq * 4);
- ddb_out32(offset, t);
-}
-
-void nile4_map_irq_all(int cpu_irq)
-{
- u32 all, t;
-
- all = cpu_irq;
- all |= all << 4;
- all |= all << 8;
- all |= all << 16;
- t = ddb_in32(DDB_INTCTRL);
- t &= 0x88888888;
- t |= all;
- ddb_out32(DDB_INTCTRL, t);
- t = ddb_in32(DDB_INTCTRL + 4);
- t &= 0x88888888;
- t |= all;
- ddb_out32(DDB_INTCTRL + 4, t);
-}
-
-void nile4_enable_irq(int nile4_irq)
-{
- u32 offset, t;
-
- offset = DDB_INTCTRL;
- if (nile4_irq >= 8) {
- offset += 4;
- nile4_irq -= 8;
- }
- t = ddb_in32(offset);
- t |= 8 << (nile4_irq * 4);
- ddb_out32(offset, t);
-}
-
-void nile4_disable_irq(int nile4_irq)
-{
- u32 offset, t;
-
- offset = DDB_INTCTRL;
- if (nile4_irq >= 8) {
- offset += 4;
- nile4_irq -= 8;
- }
- t = ddb_in32(offset);
- t &= ~(8 << (nile4_irq * 4));
- ddb_out32(offset, t);
-}
-
-void nile4_disable_irq_all(void)
-{
- ddb_out32(DDB_INTCTRL, 0);
- ddb_out32(DDB_INTCTRL + 4, 0);
-}
-
-u16 nile4_get_irq_stat(int cpu_irq)
-{
- return ddb_in16(DDB_INTSTAT0 + cpu_irq * 2);
-}
-
-void nile4_enable_irq_output(int cpu_irq)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTSTAT1 + 4);
- t |= 1 << (16 + cpu_irq);
- ddb_out32(DDB_INTSTAT1, t);
-}
-
-void nile4_disable_irq_output(int cpu_irq)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTSTAT1 + 4);
- t &= ~(1 << (16 + cpu_irq));
- ddb_out32(DDB_INTSTAT1, t);
-}
-
-void nile4_set_pci_irq_polarity(int pci_irq, int high)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTPPES);
- if (high)
- t &= ~(1 << (pci_irq * 2));
- else
- t |= 1 << (pci_irq * 2);
- ddb_out32(DDB_INTPPES, t);
-}
-
-void nile4_set_pci_irq_level_or_edge(int pci_irq, int level)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTPPES);
- if (level)
- t |= 2 << (pci_irq * 2);
- else
- t &= ~(2 << (pci_irq * 2));
- ddb_out32(DDB_INTPPES, t);
-}
-
-void nile4_clear_irq(int nile4_irq)
-{
- ddb_out32(DDB_INTCLR, 1 << nile4_irq);
-}
-
-void nile4_clear_irq_mask(u32 mask)
-{
- ddb_out32(DDB_INTCLR, mask);
-}
-
-u8 nile4_i8259_iack(void)
-{
- u8 irq;
- u32 reg;
-
- /* Set window 0 for interrupt acknowledge */
- reg = ddb_in32(DDB_PCIINIT0);
-
- ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IACK, 0, DDB_PCI_ACCESS_32);
- irq = *(volatile u8 *) KSEG1ADDR(DDB_PCI_IACK_BASE);
- /* restore window 0 for PCI I/O space */
- // ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
- ddb_out32(DDB_PCIINIT0, reg);
-
- /* i8269.c set the base vector to be 0x0 */
- return irq + I8259_IRQ_BASE;
-}
-
-#if defined(CONFIG_RUNTIME_DEBUG)
-void nile4_dump_irq_status(void)
-{
- printk(KERN_DEBUG "
- CPUSTAT = %p:%p\n", (void *) ddb_in32(DDB_CPUSTAT + 4),
- (void *) ddb_in32(DDB_CPUSTAT));
- printk(KERN_DEBUG "
- INTCTRL = %p:%p\n", (void *) ddb_in32(DDB_INTCTRL + 4),
- (void *) ddb_in32(DDB_INTCTRL));
- printk(KERN_DEBUG
- "INTSTAT0 = %p:%p\n",
- (void *) ddb_in32(DDB_INTSTAT0 + 4),
- (void *) ddb_in32(DDB_INTSTAT0));
- printk(KERN_DEBUG
- "INTSTAT1 = %p:%p\n",
- (void *) ddb_in32(DDB_INTSTAT1 + 4),
- (void *) ddb_in32(DDB_INTSTAT1));
- printk(KERN_DEBUG
- "INTCLR = %p:%p\n", (void *) ddb_in32(DDB_INTCLR + 4),
- (void *) ddb_in32(DDB_INTCLR));
- printk(KERN_DEBUG
- "INTPPES = %p:%p\n", (void *) ddb_in32(DDB_INTPPES + 4),
- (void *) ddb_in32(DDB_INTPPES));
-}
-#endif
diff --git a/arch/mips/ddb5xxx/ddb5476/setup.c b/arch/mips/ddb5xxx/ddb5476/setup.c
deleted file mode 100644
index 101021afb2e4..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/setup.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * arch/mips/ddb5476/setup.c -- NEC DDB Vrc-5476 setup routines
- *
- * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- * Sony Software Development Center Europe (SDCE), Brussels
- */
-#include <linux/init.h>
-#include <linux/kbd_ll.h>
-#include <linux/kernel.h>
-#include <linux/kdev_t.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
-
-#include <asm/addrspace.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
-#include <asm/reboot.h>
-#include <asm/gdb-stub.h>
-#include <asm/time.h>
-#include <asm/debug.h>
-#include <asm/traps.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-// #define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */
-
-#ifdef USE_CPU_COUNTER_TIMER
-
-#define CPU_COUNTER_FREQUENCY 83000000
-#else
-/* otherwise we use general purpose timer */
-#define TIMER_FREQUENCY 83000000
-#define TIMER_BASE DDB_T2CTRL
-#define TIMER_IRQ (VRC5476_IRQ_BASE + VRC5476_IRQ_GPT)
-#endif
-
-static void (*back_to_prom) (void) = (void (*)(void)) 0xbfc00000;
-
-static void ddb_machine_restart(char *command)
-{
- u32 t;
-
- /* PCI cold reset */
- t = ddb_in32(DDB_PCICTRL + 4);
- t |= 0x40000000;
- ddb_out32(DDB_PCICTRL + 4, t);
- /* CPU cold reset */
- t = ddb_in32(DDB_CPUSTAT);
- t |= 1;
- ddb_out32(DDB_CPUSTAT, t);
- /* Call the PROM */
- back_to_prom();
-}
-
-static void ddb_machine_halt(void)
-{
- printk(KERN_NOTICE "DDB Vrc-5476 halted.\n");
- while (1);
-}
-
-static void ddb_machine_power_off(void)
-{
- printk(KERN_NOTICE "DDB Vrc-5476 halted. Please turn off the power.\n");
- while (1);
-}
-
-extern void rtc_ds1386_init(unsigned long base);
-
-static void __init ddb_time_init(void)
-{
-#if defined(USE_CPU_COUNTER_TIMER)
- mips_hpt_frequency = CPU_COUNTER_FREQUENCY;
-#endif
-
- /* we have ds1396 RTC chip */
- rtc_ds1386_init(KSEG1ADDR(DDB_PCI_MEM_BASE));
-}
-
-
-extern int setup_irq(unsigned int irq, struct irqaction *irqaction);
-static void __init ddb_timer_setup(struct irqaction *irq)
-{
-#if defined(USE_CPU_COUNTER_TIMER)
-
- unsigned int count;
-
- /* we are using the cpu counter for timer interrupts */
- setup_irq(CPU_IRQ_BASE + 7, irq);
-
- /* to generate the first timer interrupt */
- count = read_c0_count();
- write_c0_compare(count + 1000);
-
-#else
-
- ddb_out32(TIMER_BASE, TIMER_FREQUENCY/HZ);
- ddb_out32(TIMER_BASE+4, 0x1); /* enable timer */
- setup_irq(TIMER_IRQ, irq);
-#endif
-}
-
-static struct {
- struct resource dma1;
- struct resource timer;
- struct resource rtc;
- struct resource dma_page_reg;
- struct resource dma2;
-} ddb5476_ioport = {
- {
- .start = 0x00,
- .end = 0x1f,
- .name = "dma1",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x40,
- .end = 0x5f,
- .name = "timer",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x70,
- .end = 0x7f,
- .name = "rtc",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x80,
- .end = 0x8f,
- .name = "dma page reg",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0xc0,
- .end = 0xdf,
- .name = "dma2",
- .flags = IORESOURCE_BUSY
- }
-};
-
-static struct {
- struct resource nile4;
-} ddb5476_iomem = {
- {
- .start = DDB_BASE,
- .end = DDB_BASE + DDB_SIZE - 1,
- .name = "Nile 4",
- .flags = IORESOURCE_BUSY
- }
-};
-
-
-static void ddb5476_board_init(void);
-
-void __init plat_mem_setup(void)
-{
- set_io_port_base(KSEG1ADDR(DDB_PCI_IO_BASE));
-
- board_time_init = ddb_time_init;
- board_timer_setup = ddb_timer_setup;
-
- _machine_restart = ddb_machine_restart;
- _machine_halt = ddb_machine_halt;
- pm_power_off = ddb_machine_power_off;
-
- /* request io port/mem resources */
- if (request_resource(&ioport_resource, &ddb5476_ioport.dma1) ||
- request_resource(&ioport_resource, &ddb5476_ioport.timer) ||
- request_resource(&ioport_resource, &ddb5476_ioport.rtc) ||
- request_resource(&ioport_resource,
- &ddb5476_ioport.dma_page_reg)
- || request_resource(&ioport_resource, &ddb5476_ioport.dma2)
- || request_resource(&iomem_resource, &ddb5476_iomem.nile4)) {
- printk
- ("ddb_setup - requesting oo port resources failed.\n");
- for (;;);
- }
-
- /* Reboot on panic */
- panic_timeout = 180;
-
- /* [jsun] we need to set BAR0 so that SDRAM 0 appears at 0x0 in PCI */
- /* *(long*)0xbfa00218 = 0x8; */
-
- /* board initialization stuff */
- ddb5476_board_init();
-}
-
-/*
- * We don't trust bios. We essentially does hardware re-initialization
- * as complete as possible, as far as we know we can safely do.
- */
-static void ddb5476_board_init(void)
-{
- /* ----------- setup PDARs ------------ */
- /* check SDRAM0, whether we are on MEM bus does not matter */
- db_assert((ddb_in32(DDB_SDRAM0) & 0xffffffef) ==
- ddb_calc_pdar(DDB_SDRAM_BASE, DDB_SDRAM_SIZE, 32, 0, 1));
-
- /* SDRAM1 should be turned off. What is this for anyway ? */
- db_assert( (ddb_in32(DDB_SDRAM1) & 0xf) == 0);
-
- /* flash 1&2, DDB status, DDB control */
- ddb_set_pdar(DDB_DCS2, DDB_DCS2_BASE, DDB_DCS2_SIZE, 16, 0, 0);
- ddb_set_pdar(DDB_DCS3, DDB_DCS3_BASE, DDB_DCS3_SIZE, 16, 0, 0);
- ddb_set_pdar(DDB_DCS4, DDB_DCS4_BASE, DDB_DCS4_SIZE, 8, 0, 0);
- ddb_set_pdar(DDB_DCS5, DDB_DCS5_BASE, DDB_DCS5_SIZE, 8, 0, 0);
-
- /* shut off other pdar so they don't accidentally get into the way */
- ddb_set_pdar(DDB_DCS6, 0xffffffff, 0, 32, 0, 0);
- ddb_set_pdar(DDB_DCS7, 0xffffffff, 0, 32, 0, 0);
- ddb_set_pdar(DDB_DCS8, 0xffffffff, 0, 32, 0, 0);
-
- /* verify VRC5477 base addr */
- /* don't care about some details */
- db_assert((ddb_in32(DDB_INTCS) & 0xffffff0f) ==
- ddb_calc_pdar(DDB_INTCS_BASE, DDB_INTCS_SIZE, 8, 0, 0));
-
- /* verify BOOT ROM addr */
- /* don't care about some details */
- db_assert((ddb_in32(DDB_BOOTCS) & 0xffffff0f) ==
- ddb_calc_pdar(DDB_BOOTCS_BASE, DDB_BOOTCS_SIZE, 8, 0, 0));
-
- /* setup PCI windows - window1 for MEM/config, window0 for IO */
- ddb_set_pdar(DDB_PCIW0, DDB_PCI_IO_BASE, DDB_PCI_IO_SIZE, 32, 0, 1);
- ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
-
- ddb_set_pdar(DDB_PCIW1, DDB_PCI_MEM_BASE, DDB_PCI_MEM_SIZE, 32, 0, 1);
- ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_MEM, DDB_PCI_MEM_BASE, DDB_PCI_ACCESS_32);
-
- /* ----------- setup PDARs ------------ */
- /* this is problematic - it will reset Aladin which cause we loose
- * serial port, and we don't know how to set up Aladin chip again.
- */
- // ddb_pci_reset_bus();
-
- ddb_out32(DDB_BAR0, 0x00000008);
-
- ddb_out32(DDB_BARC, 0xffffffff);
- ddb_out32(DDB_BARB, 0xffffffff);
- ddb_out32(DDB_BAR1, 0xffffffff);
- ddb_out32(DDB_BAR2, 0xffffffff);
- ddb_out32(DDB_BAR3, 0xffffffff);
- ddb_out32(DDB_BAR4, 0xffffffff);
- ddb_out32(DDB_BAR5, 0xffffffff);
- ddb_out32(DDB_BAR6, 0xffffffff);
- ddb_out32(DDB_BAR7, 0xffffffff);
- ddb_out32(DDB_BAR8, 0xffffffff);
-
- /* ----------- switch PCI1 to PCI CONFIG space ------------ */
- ddb_set_pdar(DDB_PCIW1, DDB_PCI_CONFIG_BASE, DDB_PCI_CONFIG_SIZE, 32, 0, 1);
- ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_CFG, 0x0, DDB_PCI_ACCESS_32);
-
- /* ----- M1543 PCI setup ------ */
-
- /* we know M1543 PCI-ISA controller is at addr:18 */
- /* xxxx1010 makes USB at addr:13 and PMU at addr:14 */
- *(volatile unsigned char *) 0xa8040072 &= 0xf0;
- *(volatile unsigned char *) 0xa8040072 |= 0xa;
-
- /* setup USB interrupt to IRQ 9, (bit 0:3 - 0001)
- * no IOCHRDY signal, (bit 7 - 1)
- * M1543C & M7101 VID and Subsys Device ID are read-only (bit 6 - 1)
- * Make USB Master INTAJ level to edge conversion (bit 4 - 1)
- */
- *(unsigned char *) 0xa8040074 = 0xd1;
-
- /* setup PMU(SCI to IRQ 10 (bit 0:3 - 0011)
- * SCI routing to IRQ 13 disabled (bit 7 - 1)
- * SCI interrupt level to edge conversion bypassed (bit 4 - 0)
- */
- *(unsigned char *) 0xa8040076 = 0x83;
-
- /* setup IDE controller
- * enable IDE controller (bit 6 - 1)
- * IDE IDSEL to be addr:24 (bit 4:5 - 11)
- * no IDE ATA Secondary Bus Signal Pad Control (bit 3 - 0)
- * no IDE ATA Primary Bus Signal Pad Control (bit 2 - 0)
- * primary IRQ is 14, secondary is 15 (bit 1:0 - 01
- */
- // *(unsigned char*)0xa8040058 = 0x71;
- // *(unsigned char*)0xa8040058 = 0x79;
- // *(unsigned char*)0xa8040058 = 0x74; // use SIRQ, primary tri-state
- *(unsigned char *) 0xa8040058 = 0x75; // primary tri-state
-
-#if 0
- /* this is not necessary if M5229 does not use SIRQ */
- *(unsigned char *) 0xa8040044 = 0x0d; // primary to IRQ 14
- *(unsigned char *) 0xa8040075 = 0x0d; // secondary to IRQ 14
-#endif
-
- /* enable IDE in the M5229 config register 0x50 (bit 0 - 1) */
- /* M5229 IDSEL is addr:24; see above setting */
- *(unsigned char *) 0xa9000050 |= 0x1;
-
- /* enable bus master (bit 2) and IO decoding (bit 0) */
- *(unsigned char *) 0xa9000004 |= 0x5;
-
- /* enable native, copied from arch/ppc/k2boot/head.S */
- /* TODO - need volatile, need to be portable */
- *(unsigned char *) 0xa9000009 = 0xff;
-
- /* ----- end of M1543 PCI setup ------ */
-
- /* ----- reset on-board ether chip ------ */
- *((volatile u32 *) 0xa8020004) |= 1; /* decode I/O */
- *((volatile u32 *) 0xa8020010) = 0; /* set BAR address */
-
- /* send reset command */
- *((volatile u32 *) 0xa6000000) = 1; /* do a soft reset */
-
- /* disable ether chip */
- *((volatile u32 *) 0xa8020004) = 0; /* disable any decoding */
-
- /* put it into sleep */
- *((volatile u32 *) 0xa8020040) = 0x80000000;
-
- /* ----- end of reset on-board ether chip ------ */
-
- /* ----------- switch PCI1 back to PCI MEM space ------------ */
- ddb_set_pdar(DDB_PCIW1, DDB_PCI_MEM_BASE, DDB_PCI_MEM_SIZE, 32, 0, 1);
- ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_MEM, DDB_PCI_MEM_BASE, DDB_PCI_ACCESS_32);
-}
diff --git a/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c b/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c
deleted file mode 100644
index a3c5e7b18018..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * The irq controller for vrc5476.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * 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 <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-
-#include <asm/system.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-static int irq_base;
-
-static void vrc5476_irq_enable(uint irq)
-{
- nile4_enable_irq(irq - irq_base);
-}
-
-static void vrc5476_irq_disable(uint irq)
-{
- nile4_disable_irq(irq - irq_base);
-}
-
-static unsigned int vrc5476_irq_startup(uint irq)
-{
- nile4_enable_irq(irq - irq_base);
- return 0;
-}
-
-#define vrc5476_irq_shutdown vrc5476_irq_disable
-
-static void vrc5476_irq_ack(uint irq)
-{
- nile4_clear_irq(irq - irq_base);
- nile4_disable_irq(irq - irq_base);
-}
-
-static void vrc5476_irq_end(uint irq)
-{
- if(!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- vrc5476_irq_enable(irq);
-}
-
-static hw_irq_controller vrc5476_irq_controller = {
- .typename = "vrc5476",
- .startup = vrc5476_irq_startup,
- .shutdown = vrc5476_irq_shutdown,
- .enable = vrc5476_irq_enable,
- .disable = vrc5476_irq_disable,
- .ack = vrc5476_irq_ack,
- .end = vrc5476_irq_end
-};
-
-void __init
-vrc5476_irq_init(u32 base)
-{
- u32 i;
-
- irq_base = base;
- for (i= base; i< base + NUM_VRC5476_IRQ; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = NULL;
- irq_desc[i].depth = 1;
- irq_desc[i].handler = &vrc5476_irq_controller;
- }
-}
-
-
-void
-vrc5476_irq_dispatch(struct pt_regs *regs)
-{
- u32 mask;
- int nile4_irq;
-
- mask = nile4_get_irq_stat(0);
-
- /* quick check for possible time interrupt */
- if (mask & (1 << VRC5476_IRQ_GPT)) {
- do_IRQ(VRC5476_IRQ_BASE + VRC5476_IRQ_GPT, regs);
- return;
- }
-
- /* check for i8259 interrupts */
- if (mask & (1 << VRC5476_I8259_CASCADE)) {
- int i8259_irq = nile4_i8259_iack();
- do_IRQ(I8259_IRQ_BASE + i8259_irq, regs);
- return;
- }
-
- /* regular nile4 interrupts (we should not really have any */
- for (nile4_irq = 0; mask; nile4_irq++, mask >>= 1) {
- if (mask & 1) {
- do_IRQ(VRC5476_IRQ_BASE + nile4_irq, regs);
- return;
- }
- }
- spurious_interrupt(regs);
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-01 23:31:03 +0000