From 1e3827d9cf9442e188604fd1099ac38375135125 Mon Sep 17 00:00:00 2001 From: Peter Tyser Date: Mon, 12 Apr 2010 22:28:14 -0500 Subject: mips: Move cpu/mips/* to arch/mips/cpu/* Signed-off-by: Peter Tyser --- arch/mips/cpu/cpu.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 arch/mips/cpu/cpu.c (limited to 'arch/mips/cpu/cpu.c') diff --git a/arch/mips/cpu/cpu.c b/arch/mips/cpu/cpu.c new file mode 100644 index 0000000..d5a1604 --- /dev/null +++ b/arch/mips/cpu/cpu.c @@ -0,0 +1,112 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 program is distributed in the hope that 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 + +#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 *argv[]) +{ + _machine_restart(); + + fprintf(stderr, "*** reset failed ***\n"); + return 0; +} + +void flush_cache(ulong start_addr, ulong size) +{ + unsigned long lsize = CONFIG_SYS_CACHELINE_SIZE; + unsigned long addr = start_addr & ~(lsize - 1); + unsigned long aend = (start_addr + size - 1) & ~(lsize - 1); + + while (1) { + cache_op(Hit_Writeback_Inv_D, addr); + cache_op(Hit_Invalidate_I, addr); + if (addr == aend) + break; + addr += lsize; + } +} + +void flush_dcache_range(ulong start_addr, ulong stop) +{ + unsigned long lsize = CONFIG_SYS_CACHELINE_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 = CONFIG_SYS_CACHELINE_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; +} -- cgit v1.1