summaryrefslogtreecommitdiffstats
path: root/arch/mips/ddb5xxx/common
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/ddb5xxx/common')
-rw-r--r--arch/mips/ddb5xxx/common/Makefile7
-rw-r--r--arch/mips/ddb5xxx/common/nile4.c130
-rw-r--r--arch/mips/ddb5xxx/common/prom.c132
-rw-r--r--arch/mips/ddb5xxx/common/rtc_ds1386.c170
4 files changed, 0 insertions, 439 deletions
diff --git a/arch/mips/ddb5xxx/common/Makefile b/arch/mips/ddb5xxx/common/Makefile
deleted file mode 100644
index 2a6a4e91991c..000000000000
--- a/arch/mips/ddb5xxx/common/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for the common code of NEC DDB-Vrc5xxx board
-#
-
-obj-y += nile4.o prom.o rtc_ds1386.o
-
-EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/ddb5xxx/common/nile4.c b/arch/mips/ddb5xxx/common/nile4.c
deleted file mode 100644
index 7ec7d903ba97..000000000000
--- a/arch/mips/ddb5xxx/common/nile4.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/common/nile4.c
- * misc low-level routines for vrc-5xxx controllers.
- *
- * derived from original code by Geert Uytterhoeven <geert@sonycom.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.
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-u32
-ddb_calc_pdar(u32 phys, u32 size, int width,
- int on_memory_bus, int pci_visible)
-{
- u32 maskbits;
- u32 widthbits;
-
- switch (size) {
-#if 0 /* We don't support 4 GB yet */
- case 0x100000000: /* 4 GB */
- maskbits = 4;
- break;
-#endif
- case 0x80000000: /* 2 GB */
- maskbits = 5;
- break;
- case 0x40000000: /* 1 GB */
- maskbits = 6;
- break;
- case 0x20000000: /* 512 MB */
- maskbits = 7;
- break;
- case 0x10000000: /* 256 MB */
- maskbits = 8;
- break;
- case 0x08000000: /* 128 MB */
- maskbits = 9;
- break;
- case 0x04000000: /* 64 MB */
- maskbits = 10;
- break;
- case 0x02000000: /* 32 MB */
- maskbits = 11;
- break;
- case 0x01000000: /* 16 MB */
- maskbits = 12;
- break;
- case 0x00800000: /* 8 MB */
- maskbits = 13;
- break;
- case 0x00400000: /* 4 MB */
- maskbits = 14;
- break;
- case 0x00200000: /* 2 MB */
- maskbits = 15;
- break;
- case 0: /* OFF */
- maskbits = 0;
- break;
- default:
- panic("nile4_set_pdar: unsupported size %p", (void *) size);
- }
- switch (width) {
- case 8:
- widthbits = 0;
- break;
- case 16:
- widthbits = 1;
- break;
- case 32:
- widthbits = 2;
- break;
- case 64:
- widthbits = 3;
- break;
- default:
- panic("nile4_set_pdar: unsupported width %d", width);
- }
-
- return maskbits | (on_memory_bus ? 0x10 : 0) |
- (pci_visible ? 0x20 : 0) | (widthbits << 6) |
- (phys & 0xffe00000);
-}
-
-void
-ddb_set_pdar(u32 pdar, u32 phys, u32 size, int width,
- int on_memory_bus, int pci_visible)
-{
- u32 temp= ddb_calc_pdar(phys, size, width, on_memory_bus, pci_visible);
- ddb_out32(pdar, temp);
- ddb_out32(pdar + 4, 0);
-
- /*
- * When programming a PDAR, the register should be read immediately
- * after writing it. This ensures that address decoders are properly
- * configured.
- * [jsun] is this really necessary?
- */
- ddb_in32(pdar);
- ddb_in32(pdar + 4);
-}
-
-/*
- * routines that mess with PCIINITx registers
- */
-
-void ddb_set_pmr(u32 pmr, u32 type, u32 addr, u32 options)
-{
- switch (type) {
- case DDB_PCICMD_IACK: /* PCI Interrupt Acknowledge */
- case DDB_PCICMD_IO: /* PCI I/O Space */
- case DDB_PCICMD_MEM: /* PCI Memory Space */
- case DDB_PCICMD_CFG: /* PCI Configuration Space */
- break;
- default:
- panic("nile4_set_pmr: invalid type %d", type);
- }
- ddb_out32(pmr, (type << 1) | (addr & 0xffe00000) | options );
- ddb_out32(pmr + 4, 0);
-}
diff --git a/arch/mips/ddb5xxx/common/prom.c b/arch/mips/ddb5xxx/common/prom.c
deleted file mode 100644
index 54a857b5e3ba..000000000000
--- a/arch/mips/ddb5xxx/common/prom.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright 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/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/ddb5xxx/ddb5xxx.h>
-#include <asm/debug.h>
-
-const char *get_system_type(void)
-{
- switch (mips_machtype) {
- case MACH_NEC_DDB5477: return "NEC DDB Vrc-5477";
- case MACH_NEC_ROCKHOPPER: return "NEC Rockhopper";
- case MACH_NEC_ROCKHOPPERII: return "NEC RockhopperII";
- default: return "Unknown NEC board";
- }
-}
-
-#if defined(CONFIG_DDB5477)
-void ddb5477_runtime_detection(void);
-#endif
-
-/* [jsun@junsun.net] PMON passes arguments in C main() style */
-void __init prom_init(void)
-{
- int argc = fw_arg0;
- char **arg = (char**) fw_arg1;
- int i;
-
- /* if user passes kernel args, ignore the default one */
- if (argc > 1)
- arcs_cmdline[0] = '\0';
-
- /* arg[0] is "g", the rest is boot parameters */
- for (i = 1; i < argc; i++) {
- if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
- >= sizeof(arcs_cmdline))
- break;
- strcat(arcs_cmdline, arg[i]);
- strcat(arcs_cmdline, " ");
- }
-
- mips_machgroup = MACH_GROUP_NEC_DDB;
-
-#if defined(CONFIG_DDB5477)
- ddb5477_runtime_detection();
- add_memory_region(0, board_ram_size, BOOT_MEM_RAM);
-#endif
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
-
-#if defined(CONFIG_DDB5477)
-
-#define DEFAULT_LCS1_BASE 0x19000000
-#define TESTVAL1 'K'
-#define TESTVAL2 'S'
-
-int board_ram_size;
-void ddb5477_runtime_detection(void)
-{
- volatile char *test_offset;
- char saved_test_byte;
-
- /* Determine if this is a DDB5477 board, or a BSB-VR0300
- base board. We can tell by checking for the location of
- the NVRAM. It lives at the beginning of LCS1 on the DDB5477,
- and the beginning of LCS1 on the BSB-VR0300 is flash memory.
- The first 2K of the NVRAM are reserved, so don't we'll poke
- around just after that.
- */
-
- /* We can only use the PCI bus to distinquish between
- the Rockhopper and RockhopperII backplanes and this must
- wait until ddb5477_board_init() in setup.c after the 5477
- is initialized. So, until then handle
- both Rockhopper and RockhopperII backplanes as Rockhopper 1
- */
-
- test_offset = (char *)KSEG1ADDR(DEFAULT_LCS1_BASE + 0x800);
- saved_test_byte = *test_offset;
-
- *test_offset = TESTVAL1;
- if (*test_offset != TESTVAL1) {
- /* We couldn't set our test value, so it must not be NVRAM,
- so it's a BSB_VR0300 */
- mips_machtype = MACH_NEC_ROCKHOPPER;
- } else {
- /* We may have gotten lucky, and the TESTVAL1 was already
- stored at the test location, so we must check a second
- test value */
- *test_offset = TESTVAL2;
- if (*test_offset != TESTVAL2) {
- /* OK, we couldn't set this value either, so it must
- definately be a BSB_VR0300 */
- mips_machtype = MACH_NEC_ROCKHOPPER;
- } else {
- /* We could change the value twice, so it must be
- NVRAM, so it's a DDB_VRC5477 */
- mips_machtype = MACH_NEC_DDB5477;
- }
- }
- /* Restore the original byte */
- *test_offset = saved_test_byte;
-
- /* before we know a better way, we will trust PMON for getting
- * RAM size
- */
- board_ram_size = 1 << (36 - (ddb_in32(DDB_SDRAM0) & 0xf));
-
- db_run(printk("DDB run-time detection : %s, %d MB RAM\n",
- mips_machtype == MACH_NEC_DDB5477 ?
- "DDB5477" : "Rockhopper",
- board_ram_size >> 20));
-
- /* we can't handle ram size > 128 MB */
- db_assert(board_ram_size <= (128 << 20));
-}
-#endif
diff --git a/arch/mips/ddb5xxx/common/rtc_ds1386.c b/arch/mips/ddb5xxx/common/rtc_ds1386.c
deleted file mode 100644
index 5dc34daa7150..000000000000
--- a/arch/mips/ddb5xxx/common/rtc_ds1386.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/common/rtc_ds1386.c
- * low-level RTC hookups for s for Dallas 1396 chip.
- *
- * 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 file exports a function, rtc_ds1386_init(), which expects an
- * uncached base address as the argument. It will set the two function
- * pointers expected by the MIPS generic timer code.
- */
-
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/bcd.h>
-
-#include <asm/time.h>
-#include <asm/addrspace.h>
-
-#include <asm/mc146818rtc.h>
-#include <asm/debug.h>
-
-#define EPOCH 2000
-
-#define READ_RTC(x) *(volatile unsigned char*)(rtc_base+x)
-#define WRITE_RTC(x, y) *(volatile unsigned char*)(rtc_base+x) = y
-
-static unsigned long rtc_base;
-
-static unsigned long
-rtc_ds1386_get_time(void)
-{
- u8 byte;
- u8 temp;
- unsigned int year, month, day, hour, minute, second;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- /* let us freeze external registers */
- byte = READ_RTC(0xB);
- byte &= 0x3f;
- WRITE_RTC(0xB, byte);
-
- /* read time data */
- year = BCD2BIN(READ_RTC(0xA)) + EPOCH;
- month = BCD2BIN(READ_RTC(0x9) & 0x1f);
- day = BCD2BIN(READ_RTC(0x8));
- minute = BCD2BIN(READ_RTC(0x2));
- second = BCD2BIN(READ_RTC(0x1));
-
- /* hour is special - deal with it later */
- temp = READ_RTC(0x4);
-
- /* enable time transfer */
- byte |= 0x80;
- WRITE_RTC(0xB, byte);
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- /* calc hour */
- if (temp & 0x40) {
- /* 12 hour format */
- hour = BCD2BIN(temp & 0x1f);
- if (temp & 0x20) hour += 12; /* PM */
- } else {
- /* 24 hour format */
- hour = BCD2BIN(temp & 0x3f);
- }
-
- return mktime(year, month, day, hour, minute, second);
-}
-
-static int
-rtc_ds1386_set_time(unsigned long t)
-{
- struct rtc_time tm;
- u8 byte;
- u8 temp;
- u8 year, month, day, hour, minute, second;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- /* let us freeze external registers */
- byte = READ_RTC(0xB);
- byte &= 0x3f;
- WRITE_RTC(0xB, byte);
-
- /* convert */
- to_tm(t, &tm);
-
-
- /* check each field one by one */
- year = BIN2BCD(tm.tm_year - EPOCH);
- if (year != READ_RTC(0xA)) {
- WRITE_RTC(0xA, year);
- }
-
- temp = READ_RTC(0x9);
- month = BIN2BCD(tm.tm_mon+1); /* tm_mon starts from 0 to 11 */
- if (month != (temp & 0x1f)) {
- WRITE_RTC( 0x9,
- (month & 0x1f) | (temp & ~0x1f) );
- }
-
- day = BIN2BCD(tm.tm_mday);
- if (day != READ_RTC(0x8)) {
- WRITE_RTC(0x8, day);
- }
-
- temp = READ_RTC(0x4);
- if (temp & 0x40) {
- /* 12 hour format */
- hour = 0x40;
- if (tm.tm_hour > 12) {
- hour |= 0x20 | (BIN2BCD(hour-12) & 0x1f);
- } else {
- hour |= BIN2BCD(tm.tm_hour);
- }
- } else {
- /* 24 hour format */
- hour = BIN2BCD(tm.tm_hour) & 0x3f;
- }
- if (hour != temp) WRITE_RTC(0x4, hour);
-
- minute = BIN2BCD(tm.tm_min);
- if (minute != READ_RTC(0x2)) {
- WRITE_RTC(0x2, minute);
- }
-
- second = BIN2BCD(tm.tm_sec);
- if (second != READ_RTC(0x1)) {
- WRITE_RTC(0x1, second);
- }
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- return 0;
-}
-
-void
-rtc_ds1386_init(unsigned long base)
-{
- unsigned char byte;
-
- /* remember the base */
- rtc_base = base;
- db_assert((rtc_base & 0xe0000000) == KSEG1);
-
- /* turn on RTC if it is not on */
- byte = READ_RTC(0x9);
- if (byte & 0x80) {
- byte &= 0x7f;
- WRITE_RTC(0x9, byte);
- }
-
- /* enable time transfer */
- byte = READ_RTC(0xB);
- byte |= 0x80;
- WRITE_RTC(0xB, byte);
-
- /* set the function pointers */
- rtc_mips_get_time = rtc_ds1386_get_time;
- rtc_mips_set_time = rtc_ds1386_set_time;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 23:46:02 +0100