Re: [U-Boot] [RESEND PATCH] rockchip: reserve memory for rk3399 ATF data

[Simon Glass]

On 14 April 2017 at 05:03, Kever Yang  wrote:
> There are 3 region used by rk3399 ATF:
> - bl31 code, locate at 0x1;
> - cortex-m0 code and data, locate at 0xff8c;
> - bl31 data, locate at 0xff8c1000 ~ 0xff8c4000;
>
> SPL_TEXT_BASE starts from 0xff8c2000, we need to reserve memory
> for ATF data, or else there will have memory corrupt after SPL
> load ATF image.
>
> More detail about cortex-M0 code in ATF:
> https://github.com/ARM-software/arm-trusted-firmware/commit/
> 8382e17c4c6bffd15119dfce1ee4372e3c1a7890
>
> Signed-off-by: Kever Yang 
> ---
>
>  arch/arm/include/asm/arch-rockchip/boot0.h | 4 
>  1 file changed, 4 insertions(+)

Reviewed-by: Simon Glass 
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[U-Boot] [RESEND PATCH] rockchip: reserve memory for rk3399 ATF data

[Kever Yang]

There are 3 region used by rk3399 ATF:
- bl31 code, locate at 0x1;
- cortex-m0 code and data, locate at 0xff8c;
- bl31 data, locate at 0xff8c1000 ~ 0xff8c4000;

SPL_TEXT_BASE starts from 0xff8c2000, we need to reserve memory
for ATF data, or else there will have memory corrupt after SPL
load ATF image.

More detail about cortex-M0 code in ATF:
https://github.com/ARM-software/arm-trusted-firmware/commit/
8382e17c4c6bffd15119dfce1ee4372e3c1a7890

Signed-off-by: Kever Yang 
---

 arch/arm/include/asm/arch-rockchip/boot0.h | 4 
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/include/asm/arch-rockchip/boot0.h 
b/arch/arm/include/asm/arch-rockchip/boot0.h
index 8d7bc9a..caca763 100644
--- a/arch/arm/include/asm/arch-rockchip/boot0.h
+++ b/arch/arm/include/asm/arch-rockchip/boot0.h
@@ -16,3 +16,7 @@
.space 0x4 /* space for the 'RK33' */
 #endif
b reset
+
+#if defined(CONFIG_ROCKCHIP_RK3399) && defined(CONFIG_SPL_BUILD)
+   .space 0x4000 /* space for the ATF data */
+#endif
-- 
1.9.1

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