On Friday, October 09, 2015 at 05:32:47 AM, Thomas Chou wrote:
> As the icache and dcache of nios2 are always enabled, the
> cmd_cache is no of use and the cache status, enable and
> disable functions can be removed.
This is no good, I want to be able to enable/disable caches to look
for DMA-related issues. That is, if I disable cache, the suspicious
driver works and if I enable cache, the driver does not work, I can
conclude that it's a DMA/cache-related issue.
> Signed-off-by: Thomas Chou <tho...@wytron.com.tw>
> ---
> arch/nios2/cpu/cpu.c | 15 ---------------
> 1 file changed, 15 deletions(-)
>
> diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c
> index 229a07b..4183244 100644
> --- a/arch/nios2/cpu/cpu.c
> +++ b/arch/nios2/cpu/cpu.c
> @@ -29,21 +29,6 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char
> * const argv[]) return 0;
> }
>
> -int dcache_status(void)
> -{
> - return 1;
> -}
> -
> -void dcache_enable(void)
> -{
> - flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
> -}
> -
> -void dcache_disable(void)
> -{
> - flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
> -}
> -
> int arch_cpu_init_dm(void)
> {
> struct udevice *dev;
Best regards,
Marek Vasut
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