[U-Boot] [PATCH 1/3][v7] powerpc/mpc85xx: SECURE BOOT- NAND secure boot target for P3041

[York Sun]

On 06/15/2015 10:06 PM, Aneesh Bansal wrote:
> Secure Boot Target is added for NAND for P3041.
> Changes:
> In PowerPC, the core begins execution from address 0xFFFFFFFC.
> In case of secure boot, this default address maps to Boot ROM.
> The Boot ROM code requires that the bootloader(U-boot) must lie
> in 0 to 3.5G address space i.e. 0x0 - 0xDFFFFFFF.
> 
> In case of NAND Secure Boot, CONFIG_SYS_RAMBOOT is enabled and CPC is
> configured as SRAM. U-Boot binary will be located on SRAM configured
> at address 0xBFF00000.
> In the U-Boot code, TLB entries are created to map the virtual address
> 0xFFF00000 to physical address 0xBFF00000 of CPC configured as SRAM.
> 
> Signed-off-by: Saksham Jain <saksham at freescale.com>
> Signed-off-by: Ruchika Gupta <ruchika.gupta at freescale.com>
> Signed-off-by: Aneesh Bansal <aneesh.bansal at freescale.com>
> ---
> Changes in v7:
> Created TLB entry to map virtual address 0xFFF00000 to physical address
> 0xBFF00000 as per discussion.
> 

Applied to u-boot-mpc85xx master after adding CONFIG_SPI_FLASH to defconfig.

Thanks.

York