[U-Boot] [PATCH 13/18] arm: K3: am654: Map common EEPROM data into SRAM scratch space

[Lokesh Vutla]

On 09/05/19 3:07 AM, Andreas Dannenberg wrote:
> The board detection scheme employed on various TI EVMs makes use of
> SRAM scratch space to share data read from an on-board EEPROM between
> the different bootloading stages. Map the associated definition that's
> used to locate this data into the SRAM scratch space we use on AM654x.
> 
> Signed-off-by: Andreas Dannenberg <dannenberg at ti.com>
> ---
>  arch/arm/mach-k3/include/mach/am6_hardware.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/mach-k3/include/mach/am6_hardware.h b/arch/arm/mach-k3/include/mach/am6_hardware.h
> index 3343233aa3..6df7631545 100644
> --- a/arch/arm/mach-k3/include/mach/am6_hardware.h
> +++ b/arch/arm/mach-k3/include/mach/am6_hardware.h
> @@ -44,4 +44,7 @@
>  #define CTRLMMR_LOCK_KICK1				0x0100c
>  #define CTRLMMR_LOCK_KICK1_UNLOCK_VAL			0xd172bc5a
>  
> +/* MCU SCRATCHPAD usage */
> +#define TI_SRAM_SCRATCH_BOARD_EEPROM_START CONFIG_SYS_K3_MCU_SCRATCHPAD_BASE

Won't HS devices fail while accessing this region? We should drop it altogether.

Thanks and regards,
Lokesh

> +
>  #endif /* __ASM_ARCH_AM6_HARDWARE_H */
>