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Re: [PATCH v2 5/8] hw/mips/fuloong2e: Remove unused env entry


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v2 5/8] hw/mips/fuloong2e: Remove unused env entry
Date: Tue, 22 Dec 2020 15:42:54 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0

On 12/19/20 8:21 AM, Jiaxun Yang wrote:
> modetty and busclock is not handled by kernel and the parameter
> here seems unreasonable.

'busclock' is used by old kernels:
https://elixir.bootlin.com/linux/v3.1/source/arch/mips/loongson/common/env.c#L51

'modetty' is likely here because this code was started using
the YAMON load_kernel() code from malta.c as template.

> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
>  hw/mips/fuloong2e.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
> index d846ef7b00..c4843dd15e 100644
> --- a/hw/mips/fuloong2e.c
> +++ b/hw/mips/fuloong2e.c
> @@ -159,10 +159,8 @@ static uint64_t load_kernel(CPUMIPSState *env)
>      }
>  
>      /* Setup minimum environment variables */
> -    prom_set(prom_buf, index++, "busclock=33000000");
>      prom_set(prom_buf, index++, "cpuclock=100000000");
>      prom_set(prom_buf, index++, "memsize=%"PRIi64, loaderparams.ram_size / 
> MiB);
> -    prom_set(prom_buf, index++, "modetty0=38400n8r");
>      prom_set(prom_buf, index++, NULL);
>  
>      rom_add_blob_fixed("prom", prom_buf, prom_size, ENVP_PADDR);
> 



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