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Diffstat (limited to 'arch/mips/ddb5xxx/ddb5477/setup.c')
-rw-r--r--arch/mips/ddb5xxx/ddb5477/setup.c399
1 files changed, 0 insertions, 399 deletions
diff --git a/arch/mips/ddb5xxx/ddb5477/setup.c b/arch/mips/ddb5xxx/ddb5477/setup.c
deleted file mode 100644
index f0cc0e8a8afa..000000000000
--- a/arch/mips/ddb5xxx/ddb5477/setup.c
+++ /dev/null
@@ -1,399 +0,0 @@
-/*
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
- *
- * arch/mips/ddb5xxx/ddb5477/setup.c
- * Setup file for DDB5477.
- *
- * 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/kernel.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/ide.h>
-#include <linux/irq.h>
-#include <linux/fs.h>
-#include <linux/ioport.h>
-#include <linux/param.h> /* for HZ */
-#include <linux/major.h>
-#include <linux/kdev_t.h>
-#include <linux/root_dev.h>
-#include <linux/pm.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-#include <asm/time.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
-#include <asm/reboot.h>
-#include <asm/gdb-stub.h>
-#include <asm/traps.h>
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-#include "lcd44780.h"
-
-
-#define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */
-
-#define SP_TIMER_BASE DDB_SPT1CTRL_L
-#define SP_TIMER_IRQ VRC5477_IRQ_SPT1
-
-static int bus_frequency = CONFIG_DDB5477_BUS_FREQUENCY*1000;
-
-static void ddb_machine_restart(char *command)
-{
- static void (*back_to_prom) (void) = (void (*)(void)) 0xbfc00000;
-
- u32 t;
-
- /* PCI cold reset */
- ddb_pci_reset_bus();
-
- /* CPU cold reset */
- t = ddb_in32(DDB_CPUSTAT);
- db_assert((t&1));
- ddb_out32(DDB_CPUSTAT, t);
-
- /* Call the PROM */
- back_to_prom();
-}
-
-static void ddb_machine_halt(void)
-{
- printk("DDB Vrc-5477 halted.\n");
- while (1);
-}
-
-static void ddb_machine_power_off(void)
-{
- printk("DDB Vrc-5477 halted. Please turn off the power.\n");
- while (1);
-}
-
-extern void rtc_ds1386_init(unsigned long base);
-
-static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
-{
- unsigned int freq;
- unsigned char c;
- unsigned int t1, t2;
- unsigned i;
-
- ddb_out32(SP_TIMER_BASE, 0xffffffff);
- ddb_out32(SP_TIMER_BASE+4, 0x1);
- ddb_out32(SP_TIMER_BASE+8, 0xffffffff);
-
- /* check if rtc is running */
- c= *(volatile unsigned char*)rtc_base;
- for(i=0; (c == *(volatile unsigned char*)rtc_base) && (i<100000000); i++);
- if (c == *(volatile unsigned char*)rtc_base) {
- printk("Failed to detect bus frequency. Use default 83.3MHz.\n");
- return 83333000;
- }
-
- c= *(volatile unsigned char*)rtc_base;
- while (c == *(volatile unsigned char*)rtc_base);
- /* we are now at the turn of 1/100th second, if no error. */
- t1 = ddb_in32(SP_TIMER_BASE+8);
-
- for (i=0; i< 10; i++) {
- c= *(volatile unsigned char*)rtc_base;
- while (c == *(volatile unsigned char*)rtc_base);
- /* we are now at the turn of another 1/100th second */
- t2 = ddb_in32(SP_TIMER_BASE+8);
- }
-
- ddb_out32(SP_TIMER_BASE+4, 0x0); /* disable it again */
-
- freq = (t1 - t2)*10;
- printk("DDB bus frequency detection : %u \n", freq);
- return freq;
-}
-
-static void __init ddb_time_init(void)
-{
- unsigned long rtc_base;
- unsigned int i;
-
- /* we have ds1396 RTC chip */
- if (mips_machtype == MACH_NEC_ROCKHOPPER
- || mips_machtype == MACH_NEC_ROCKHOPPERII) {
- rtc_base = KSEG1ADDR(DDB_LCS2_BASE);
- } else {
- rtc_base = KSEG1ADDR(DDB_LCS1_BASE);
- }
- rtc_ds1386_init(rtc_base);
-
- /* do we need to do run-time detection of bus speed? */
- if (bus_frequency == 0) {
- bus_frequency = detect_bus_frequency(rtc_base);
- }
-
- /* mips_hpt_frequency is 1/2 of the cpu core freq */
- i = (read_c0_config() >> 28 ) & 7;
- if ((current_cpu_data.cputype == CPU_R5432) && (i == 3))
- i = 4;
- mips_hpt_frequency = bus_frequency*(i+4)/4;
-}
-
-void __init plat_timer_setup(struct irqaction *irq)
-{
-#if defined(USE_CPU_COUNTER_TIMER)
-
- /* we are using the cpu counter for timer interrupts */
- setup_irq(CPU_IRQ_BASE + 7, irq);
-
-#else
-
- /* if we use Special purpose timer 1 */
- ddb_out32(SP_TIMER_BASE, bus_frequency/HZ);
- ddb_out32(SP_TIMER_BASE+4, 0x1);
- setup_irq(SP_TIMER_IRQ, irq);
-
-#endif
-}
-
-static void ddb5477_board_init(void);
-
-extern struct pci_controller ddb5477_ext_controller;
-extern struct pci_controller ddb5477_io_controller;
-
-void __init plat_mem_setup(void)
-{
- /* initialize board - we don't trust the loader */
- ddb5477_board_init();
-
- set_io_port_base(KSEG1ADDR(DDB_PCI_IO_BASE));
-
- board_time_init = ddb_time_init;
-
- _machine_restart = ddb_machine_restart;
- _machine_halt = ddb_machine_halt;
- pm_power_off = ddb_machine_power_off;
-
- /* setup resource limits */
- ioport_resource.end = DDB_PCI0_IO_SIZE + DDB_PCI1_IO_SIZE - 1;
- iomem_resource.end = 0xffffffff;
-
- /* Reboot on panic */
- panic_timeout = 180;
-
- register_pci_controller (&ddb5477_ext_controller);
- register_pci_controller (&ddb5477_io_controller);
-}
-
-static void __init ddb5477_board_init(void)
-{
- /* ----------- setup PDARs ------------ */
-
- /* SDRAM should have been set */
- db_assert(ddb_in32(DDB_SDRAM0) ==
- ddb_calc_pdar(DDB_SDRAM_BASE, board_ram_size, 32, 0, 1));
-
- /* SDRAM1 should be turned off. What is this for anyway ? */
- db_assert( (ddb_in32(DDB_SDRAM1) & 0xf) == 0);
-
- /* Setup local bus. */
-
- /* Flash U12 PDAR and timing. */
- ddb_set_pdar(DDB_LCS0, DDB_LCS0_BASE, DDB_LCS0_SIZE, 16, 0, 0);
- ddb_out32(DDB_LCST0, 0x00090842);
-
- /* We need to setup LCS1 and LCS2 differently based on the
- board_version */
- if (mips_machtype == MACH_NEC_ROCKHOPPER) {
- /* Flash U13 PDAR and timing. */
- ddb_set_pdar(DDB_LCS1, DDB_LCS1_BASE, DDB_LCS1_SIZE, 16, 0, 0);
- ddb_out32(DDB_LCST1, 0x00090842);
-
- /* EPLD (NVRAM, switch, LCD, and mezzanie). */
- ddb_set_pdar(DDB_LCS2, DDB_LCS2_BASE, DDB_LCS2_SIZE, 8, 0, 0);
- } else {
- /* misc */
- ddb_set_pdar(DDB_LCS1, DDB_LCS1_BASE, DDB_LCS1_SIZE, 8, 0, 0);
- /* mezzanie (?) */
- ddb_set_pdar(DDB_LCS2, DDB_LCS2_BASE, DDB_LCS2_SIZE, 16, 0, 0);
- }
-
- /* verify VRC5477 base addr */
- db_assert(ddb_in32(DDB_VRC5477) ==
- ddb_calc_pdar(DDB_VRC5477_BASE, DDB_VRC5477_SIZE, 32, 0, 1));
-
- /* verify BOOT ROM addr */
- db_assert(ddb_in32(DDB_BOOTCS) ==
- ddb_calc_pdar(DDB_BOOTCS_BASE, DDB_BOOTCS_SIZE, 8, 0, 0));
-
- /* setup PCI windows - window0 for MEM/config, window1 for IO */
- ddb_set_pdar(DDB_PCIW0, DDB_PCI0_MEM_BASE, DDB_PCI0_MEM_SIZE, 32, 0, 1);
- ddb_set_pdar(DDB_PCIW1, DDB_PCI0_IO_BASE, DDB_PCI0_IO_SIZE, 32, 0, 1);
- ddb_set_pdar(DDB_IOPCIW0, DDB_PCI1_MEM_BASE, DDB_PCI1_MEM_SIZE, 32, 0, 1);
- ddb_set_pdar(DDB_IOPCIW1, DDB_PCI1_IO_BASE, DDB_PCI1_IO_SIZE, 32, 0, 1);
-
- /* ------------ reset PCI bus and BARs ----------------- */
- ddb_pci_reset_bus();
-
- ddb_out32(DDB_BARM010, 0x00000008);
- ddb_out32(DDB_BARM011, 0x00000008);
-
- ddb_out32(DDB_BARC0, 0xffffffff);
- ddb_out32(DDB_BARM230, 0xffffffff);
- ddb_out32(DDB_BAR00, 0xffffffff);
- ddb_out32(DDB_BAR10, 0xffffffff);
- ddb_out32(DDB_BAR20, 0xffffffff);
- ddb_out32(DDB_BAR30, 0xffffffff);
- ddb_out32(DDB_BAR40, 0xffffffff);
- ddb_out32(DDB_BAR50, 0xffffffff);
- ddb_out32(DDB_BARB0, 0xffffffff);
-
- ddb_out32(DDB_BARC1, 0xffffffff);
- ddb_out32(DDB_BARM231, 0xffffffff);
- ddb_out32(DDB_BAR01, 0xffffffff);
- ddb_out32(DDB_BAR11, 0xffffffff);
- ddb_out32(DDB_BAR21, 0xffffffff);
- ddb_out32(DDB_BAR31, 0xffffffff);
- ddb_out32(DDB_BAR41, 0xffffffff);
- ddb_out32(DDB_BAR51, 0xffffffff);
- ddb_out32(DDB_BARB1, 0xffffffff);
-
- /*
- * We use pci master register 0 for memory space / config space
- * And we use register 1 for IO space.
- * Note that for memory space, we bump up the pci base address
- * so that we have 1:1 mapping between PCI memory and cpu physical.
- * For PCI IO space, it starts from 0 in PCI IO space but with
- * DDB_xx_IO_BASE in CPU physical address space.
- */
- ddb_set_pmr(DDB_PCIINIT00, DDB_PCICMD_MEM, DDB_PCI0_MEM_BASE,
- DDB_PCI_ACCESS_32);
- ddb_set_pmr(DDB_PCIINIT10, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
-
- ddb_set_pmr(DDB_PCIINIT01, DDB_PCICMD_MEM, DDB_PCI1_MEM_BASE,
- DDB_PCI_ACCESS_32);
- ddb_set_pmr(DDB_PCIINIT11, DDB_PCICMD_IO, DDB_PCI0_IO_SIZE,
- DDB_PCI_ACCESS_32);
-
-
- /* PCI cross window should be set properly */
- ddb_set_pdar(DDB_BARP00, DDB_PCI1_MEM_BASE, DDB_PCI1_MEM_SIZE, 32, 0, 1);
- ddb_set_pdar(DDB_BARP10, DDB_PCI1_IO_BASE, DDB_PCI1_IO_SIZE, 32, 0, 1);
- ddb_set_pdar(DDB_BARP01, DDB_PCI0_MEM_BASE, DDB_PCI0_MEM_SIZE, 32, 0, 1);
- ddb_set_pdar(DDB_BARP11, DDB_PCI0_IO_BASE, DDB_PCI0_IO_SIZE, 32, 0, 1);
-
- if (mips_machtype == MACH_NEC_ROCKHOPPER
- || mips_machtype == MACH_NEC_ROCKHOPPERII) {
- /* Disable bus diagnostics. */
- ddb_out32(DDB_PCICTL0_L, 0);
- ddb_out32(DDB_PCICTL0_H, 0);
- ddb_out32(DDB_PCICTL1_L, 0);
- ddb_out32(DDB_PCICTL1_H, 0);
- }
-
- if (mips_machtype == MACH_NEC_ROCKHOPPER) {
- u16 vid;
- struct pci_bus bus;
- struct pci_dev dev_m1533;
- extern struct pci_ops ddb5477_ext_pci_ops;
-
- bus.parent = NULL; /* we scan the top level only */
- bus.ops = &ddb5477_ext_pci_ops;
- dev_m1533.bus = &bus;
- dev_m1533.sysdata = NULL;
- dev_m1533.devfn = 7*8; // slot 7: M1533 SouthBridge.
- pci_read_config_word(&dev_m1533, 0, &vid);
- if (vid == PCI_VENDOR_ID_AL) {
- printk("Changing mips_machtype to MACH_NEC_ROCKHOPPERII\n");
- mips_machtype = MACH_NEC_ROCKHOPPERII;
- }
- }
-
- /* enable USB input buffers */
- ddb_out32(DDB_PIBMISC, 0x00000007);
-
- /* For dual-function pins, make them all non-GPIO */
- ddb_out32(DDB_GIUFUNSEL, 0x0);
- // ddb_out32(DDB_GIUFUNSEL, 0xfe0fcfff); /* NEC recommanded value */
-
- if (mips_machtype == MACH_NEC_ROCKHOPPERII) {
-
- /* enable IDE controller on Ali chip (south bridge) */
- u8 temp8;
- struct pci_bus bus;
- struct pci_dev dev_m1533;
- struct pci_dev dev_m5229;
- extern struct pci_ops ddb5477_ext_pci_ops;
-
- /* Setup M1535 registers */
- bus.parent = NULL; /* we scan the top level only */
- bus.ops = &ddb5477_ext_pci_ops;
- dev_m1533.bus = &bus;
- dev_m1533.sysdata = NULL;
- dev_m1533.devfn = 7*8; // slot 7: M1533 SouthBridge.
-
- /* setup IDE controller
- * enable IDE controller (bit 6 - 1)
- * IDE IDSEL to be addr:A15 (bit 4:5 - 11)
- * disable IDE ATA Secondary Bus Signal Pad Control (bit 3 - 0)
- * enable IDE ATA Primary Bus Signal Pad Control (bit 2 - 1)
- */
- pci_write_config_byte(&dev_m1533, 0x58, 0x74);
-
- /*
- * positive decode (bit6 -0)
- * enable IDE controler interrupt (bit 4 -1)
- * setup SIRQ to point to IRQ 14 (bit 3:0 - 1101)
- */
- pci_write_config_byte(&dev_m1533, 0x44, 0x1d);
-
- /* Setup M5229 registers */
- dev_m5229.bus = &bus;
- dev_m5229.sysdata = NULL;
- dev_m5229.devfn = 4*8; // slot 4 (AD15): M5229 IDE
-
- /*
- * enable IDE in the M5229 config register 0x50 (bit 0 - 1)
- * M5229 IDSEL is addr:15; see above setting
- */
- pci_read_config_byte(&dev_m5229, 0x50, &temp8);
- pci_write_config_byte(&dev_m5229, 0x50, temp8 | 0x1);
-
- /*
- * enable bus master (bit 2) and IO decoding (bit 0)
- */
- pci_read_config_byte(&dev_m5229, 0x04, &temp8);
- pci_write_config_byte(&dev_m5229, 0x04, temp8 | 0x5);
-
- /*
- * enable native, copied from arch/ppc/k2boot/head.S
- * TODO - need volatile, need to be portable
- */
- pci_write_config_byte(&dev_m5229, 0x09, 0xef);
-
- /* Set Primary Channel Command Block Timing */
- pci_write_config_byte(&dev_m5229, 0x59, 0x31);
-
- /*
- * Enable primary channel 40-pin cable
- * M5229 register 0x4a (bit 0)
- */
- pci_read_config_byte(&dev_m5229, 0x4a, &temp8);
- pci_write_config_byte(&dev_m5229, 0x4a, temp8 | 0x1);
- }
-
- if (mips_machtype == MACH_NEC_ROCKHOPPER
- || mips_machtype == MACH_NEC_ROCKHOPPERII) {
- printk("lcd44780: initializing\n");
- lcd44780_init();
- lcd44780_puts("MontaVista Linux");
- }
-}
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