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authorStefano Babic <sbabic@denx.de>2015-02-13 11:17:01 +0100
committerStefano Babic <sbabic@denx.de>2015-02-13 11:17:01 +0100
commite72d344386bf80738fab7a6bd37cb321f443093a (patch)
treed3e02055e6aa903ab80ef87c78d2f38e93981dcf /arch/mips/cpu/mips32/cpu.c
parent258c98f8d36ef35d7cb7604847ba73e64d702c2a (diff)
parentbd2a4888b123713adec271d6c8040ca9f609aa2f (diff)
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Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'arch/mips/cpu/mips32/cpu.c')
-rw-r--r--arch/mips/cpu/mips32/cpu.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/mips/cpu/mips32/cpu.c b/arch/mips/cpu/mips32/cpu.c
deleted file mode 100644
index 278865b..0000000
--- a/arch/mips/cpu/mips32/cpu.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <netdev.h>
-#include <asm/mipsregs.h>
-#include <asm/cacheops.h>
-#include <asm/reboot.h>
-
-#define cache_op(op,addr) \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noreorder \n" \
- " .set mips3\n\t \n" \
- " cache %0, %1 \n" \
- " .set pop \n" \
- : \
- : "i" (op), "R" (*(unsigned char *)(addr)))
-
-void __attribute__((weak)) _machine_restart(void)
-{
-}
-
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- _machine_restart();
-
- fprintf(stderr, "*** reset failed ***\n");
- return 0;
-}
-
-#ifdef CONFIG_SYS_CACHELINE_SIZE
-
-static inline unsigned long icache_line_size(void)
-{
- return CONFIG_SYS_CACHELINE_SIZE;
-}
-
-static inline unsigned long dcache_line_size(void)
-{
- return CONFIG_SYS_CACHELINE_SIZE;
-}
-
-#else /* !CONFIG_SYS_CACHELINE_SIZE */
-
-static inline unsigned long icache_line_size(void)
-{
- unsigned long conf1, il;
- conf1 = read_c0_config1();
- il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHIFT;
- if (!il)
- return 0;
- return 2 << il;
-}
-
-static inline unsigned long dcache_line_size(void)
-{
- unsigned long conf1, dl;
- conf1 = read_c0_config1();
- dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHIFT;
- if (!dl)
- return 0;
- return 2 << dl;
-}
-
-#endif /* !CONFIG_SYS_CACHELINE_SIZE */
-
-void flush_cache(ulong start_addr, ulong size)
-{
- unsigned long ilsize = icache_line_size();
- unsigned long dlsize = dcache_line_size();
- unsigned long addr, aend;
-
- /* aend will be miscalculated when size is zero, so we return here */
- if (size == 0)
- return;
-
- addr = start_addr & ~(dlsize - 1);
- aend = (start_addr + size - 1) & ~(dlsize - 1);
-
- if (ilsize == dlsize) {
- /* flush I-cache & D-cache simultaneously */
- while (1) {
- cache_op(HIT_WRITEBACK_INV_D, addr);
- cache_op(HIT_INVALIDATE_I, addr);
- if (addr == aend)
- break;
- addr += dlsize;
- }
- return;
- }
-
- /* flush D-cache */
- while (1) {
- cache_op(HIT_WRITEBACK_INV_D, addr);
- if (addr == aend)
- break;
- addr += dlsize;
- }
-
- /* flush I-cache */
- addr = start_addr & ~(ilsize - 1);
- aend = (start_addr + size - 1) & ~(ilsize - 1);
- while (1) {
- cache_op(HIT_INVALIDATE_I, addr);
- if (addr == aend)
- break;
- addr += ilsize;
- }
-}
-
-void flush_dcache_range(ulong start_addr, ulong stop)
-{
- unsigned long lsize = dcache_line_size();
- unsigned long addr = start_addr & ~(lsize - 1);
- unsigned long aend = (stop - 1) & ~(lsize - 1);
-
- while (1) {
- cache_op(HIT_WRITEBACK_INV_D, addr);
- if (addr == aend)
- break;
- addr += lsize;
- }
-}
-
-void invalidate_dcache_range(ulong start_addr, ulong stop)
-{
- unsigned long lsize = dcache_line_size();
- unsigned long addr = start_addr & ~(lsize - 1);
- unsigned long aend = (stop - 1) & ~(lsize - 1);
-
- while (1) {
- cache_op(HIT_INVALIDATE_D, addr);
- if (addr == aend)
- break;
- addr += lsize;
- }
-}
-
-void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1)
-{
- write_c0_entrylo0(low0);
- write_c0_pagemask(pagemask);
- write_c0_entrylo1(low1);
- write_c0_entryhi(hi);
- write_c0_index(index);
- tlb_write_indexed();
-}
-
-int cpu_eth_init(bd_t *bis)
-{
-#ifdef CONFIG_SOC_AU1X00
- au1x00_enet_initialize(bis);
-#endif
- return 0;
-}