[U-Boot] [linux-sunxi] [PATCH 03/13] sunxi: change RMR64's RVBAR address for H6
Andre Przywara
andre.przywara at arm.com
Tue Jun 26 10:37:12 UTC 2018
Hi,
On 25/06/18 11:37, Icenowy Zheng wrote:
> Allwinner H6 has a different RVBAR address with A64/H5.
>
> Add conditional RVBAR configuration into the code which does RMR switch.
>
> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
Reviewed-by: Andre Przywara <andre.przywara at arm.com>
And thanks for amending the assembly stub too!
Cheers,
Andre.
> ---
> arch/arm/include/asm/arch-sunxi/boot0.h | 4 ++++
> arch/arm/mach-sunxi/rmr_switch.S | 6 ++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/arch/arm/include/asm/arch-sunxi/boot0.h b/arch/arm/include/asm/arch-sunxi/boot0.h
> index 9c6d82dda1..5176fdcfdc 100644
> --- a/arch/arm/include/asm/arch-sunxi/boot0.h
> +++ b/arch/arm/include/asm/arch-sunxi/boot0.h
> @@ -27,7 +27,11 @@
> .word 0xf57ff06f // isb sy
> .word 0xe320f003 // wfi
> .word 0xeafffffd // b @wfi
> +#ifndef CONFIG_MACH_SUN50I_H6
> .word 0x017000a0 // writeable RVBAR mapping address
> +#else
> + .word 0x09010040 // writeable RVBAR mapping address
> +#endif
> #ifdef CONFIG_SPL_BUILD
> .word CONFIG_SPL_TEXT_BASE
> #else
> diff --git a/arch/arm/mach-sunxi/rmr_switch.S b/arch/arm/mach-sunxi/rmr_switch.S
> index cefa93001b..fafd306f95 100644
> --- a/arch/arm/mach-sunxi/rmr_switch.S
> +++ b/arch/arm/mach-sunxi/rmr_switch.S
> @@ -26,9 +26,15 @@
> @ reference and to be able to regenerate a (probably fixed) version of this
> @ code found in encoded form in boot0.h.
>
> +#include <config.h>
> +
> .text
>
> +#ifndef CONFIG_MACH_SUN50I_H6
> ldr r1, =0x017000a0 @ MMIO mapped RVBAR[0] register
> +#else
> + ldr r1, =0x09010040 @ MMIO mapped RVBAR[0] register
> +#endif
> ldr r0, =0x57aA7add @ start address, to be replaced
> str r0, [r1]
> dsb sy
>
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