[U-Boot] [Patch 5/16] add mips64/cpu.h

Daniel Schwierzeck daniel.schwierzeck at gmail.com
Thu Aug 16 00:06:00 CEST 2012


wrong email subject add mips64/cpu.h. You are adding cpu.c.

2012/8/14 Zhi-zhou Zhang <etou.zh at gmail.com>:
> diff --git a/arch/mips/cpu/mips64/cpu.c b/arch/mips/cpu/mips64/cpu.c
> new file mode 100644
> index 0000000..1ead349
> --- /dev/null
> +++ b/arch/mips/cpu/mips64/cpu.c
> @@ -0,0 +1,116 @@
> +/*
> + * (C) Copyright 2003
> + * Wolfgang Denk, DENX Software Engineering, <wd at denx.de>
> + *
> + * 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 <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 mips64\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;
> +}
> +
> +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);
> +
> + /* aend will be miscalculated when size is zero, so we return here */
> + if (size == 0)
> + return;
> +
> + 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;
> +}

drop the cpu_eth_init, it is not needed in mips64

>
> --
> Regards,
> Zhizhou Zhang
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>



-- 
Best regards,
Daniel


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