[U-Boot] [PATCH] sh: delete an unused source file

Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj at renesas.com
Mon Mar 31 07:46:57 CEST 2014


2014-03-31 13:09 GMT+09:00 Masahiro Yamada <yamada.m at jp.panasonic.com>:
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>

Acked-by: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>

> ---
>  arch/sh/cpu/sh2/cache.c | 96 -------------------------------------------------
>  1 file changed, 96 deletions(-)
>  delete mode 100644 arch/sh/cpu/sh2/cache.c
>
> diff --git a/arch/sh/cpu/sh2/cache.c b/arch/sh/cpu/sh2/cache.c
> deleted file mode 100644
> index 8093e98..0000000
> --- a/arch/sh/cpu/sh2/cache.c
> +++ /dev/null
> @@ -1,96 +0,0 @@
> -/*
> - * (C) Copyright 2007
> - * Yoshihiro Shimoda <shimoda.yoshihiro at renesas.com>
> - *
> - * Copyright (C) 2007, 2008 Nobobuhiro Iwamatsu <iwamatsu at nigauri.org>
> - * Copyright (C) 2008 Renesas Solutions Corp.
> - *
> - * SPDX-License-Identifier:    GPL-2.0+
> - */
> -
> -#include <common.h>
> -#include <command.h>
> -#include <asm/processor.h>
> -#include <asm/io.h>
> -
> -/*
> - * Jump to P2 area.
> - * When handling TLB or caches, we need to do it from P2 area.
> - */
> -#define jump_to_P2()                   \
> -do {                                   \
> -       unsigned long __dummy;          \
> -       __asm__ __volatile__(           \
> -               "mov.l  1f, %0\n\t"     \
> -               "or     %1, %0\n\t"     \
> -               "jmp    @%0\n\t"        \
> -               " nop\n\t"              \
> -               ".balign 4\n"           \
> -               "1:     .long 2f\n"     \
> -               "2:"                    \
> -               : "=&r" (__dummy)       \
> -               : "r" (0x20000000));    \
> -} while (0)
> -
> -/*
> - * Back to P1 area.
> - */
> -#define back_to_P1()                   \
> -do {                                   \
> -       unsigned long __dummy;          \
> -       __asm__ __volatile__(           \
> -               "nop;nop;nop;nop;nop;nop;nop\n\t"       \
> -               "mov.l  1f, %0\n\t"     \
> -               "jmp    @%0\n\t"        \
> -               " nop\n\t"              \
> -               ".balign 4\n"           \
> -               "1:     .long 2f\n"     \
> -               "2:"                    \
> -               : "=&r" (__dummy));     \
> -} while (0)
> -
> -#define CACHE_VALID    1
> -#define CACHE_UPDATED  2
> -
> -static inline void cache_wback_all(void)
> -{
> -       unsigned long addr, data, i, j;
> -
> -       jump_to_P2();
> -       for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++) {
> -               for (j = 0; j < CACHE_OC_NUM_WAYS; j++) {
> -                       addr = CACHE_OC_ADDRESS_ARRAY
> -                               | (j << CACHE_OC_WAY_SHIFT)
> -                               | (i << CACHE_OC_ENTRY_SHIFT);
> -                       data = inl(addr);
> -                       if (data & CACHE_UPDATED) {
> -                               data &= ~CACHE_UPDATED;
> -                               outl(data, addr);
> -                       }
> -               }
> -       }
> -       back_to_P1();
> -}
> -
> -
> -#define CACHE_ENABLE   0
> -#define CACHE_DISABLE  1
> -
> -int cache_control(unsigned int cmd)
> -{
> -       unsigned long ccr;
> -
> -       jump_to_P2();
> -       ccr = inl(CCR);
> -
> -       if (ccr & CCR_CACHE_ENABLE)
> -               cache_wback_all();
> -
> -       if (cmd == CACHE_DISABLE)
> -               outl(CCR_CACHE_STOP, CCR);
> -       else
> -               outl(CCR_CACHE_INIT, CCR);
> -       back_to_P1();
> -
> -       return 0;
> -}
> --
> 1.8.3.2
>
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-- 
Nobuhiro Iwamatsu


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