[U-Boot] [PATCH] rk3399: reseve space for trust

Kever Yang kever.yang at rock-chips.com
Mon Jul 25 04:00:21 CEST 2016


Hi Simon,

On 07/23/2016 11:03 AM, Simon Glass wrote:
> Hi again,
>
> On 22 July 2016 at 20:57, Simon Glass <sjg at chromium.org> wrote:
>> Hi Kever,
>>
>> On 22 July 2016 at 03:34, Kever Yang <kever.yang at rock-chips.com> wrote:
>>
>> For the commit message, you have "rk3399: reseve space for trust".
>>
>> I think it should be "rk3399: Reseve space for ARM Trusted Firmware"
>> or perhaps ATF
> Ooops I mean 'Reserve' !

I though the memory is used by ATF BL31 and BL32 which is not including 
in ATF,
this reserve memory only use for ATF BL31 in fact, so I will send 
Version 2 with all
you comments applied.

Thanks,
- Kever

>
>>
>>> rk3399 need reserve 0x200000 at the begining of DRAM, for ATF usage.
>> needs
>> beginning
>> s/usage/use/
>>
>>> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
>>> ---
>>>
>>>   board/rockchip/evb_rk3399/evb-rk3399.c | 3 ++-
>>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c
>>> index dffacd0..37d3851 100644
>>> --- a/board/rockchip/evb_rk3399/evb-rk3399.c
>>> +++ b/board/rockchip/evb_rk3399/evb-rk3399.c
>>> @@ -21,6 +21,7 @@ int dram_init(void)
>>>
>>>   void dram_init_banksize(void)
>>>   {
>>> -       gd->bd->bi_dram[0].start = 0;
>>> +       /* Reserve 0x200000 for trust word */
>> What does 'trust word' mean? Do you mean space for ATF, or a single
>> word of memory?
>>
>>> +       gd->bd->bi_dram[0].start = 0x200000;
>>>          gd->bd->bi_dram[0].size = 0x80000000;
>>>   }
>>> --
>>> 1.9.1
>>>
>>>
>> Regards,
>> Simon
>
> Regards,
> Simon
>




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