Reviewed-by: Philipp Tomsich <[email protected] <mailto:[email protected]>>
> On 19 Apr 2017, at 08:42, Kever Yang <[email protected]> wrote: > > There are 3 region used by rk3399 ATF: > - bl31 code, locate at 0x10000; > - cortex-m0 code and data, locate at 0xff8c0000; > - 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 <[email protected]> > --- > > Changes in v2: > - use Kconfig for the reserved memory size > > arch/arm/include/asm/arch-rockchip/boot0.h | 4 ++++ > arch/arm/mach-rockchip/Kconfig | 8 ++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/arch/arm/include/asm/arch-rockchip/boot0.h > b/arch/arm/include/asm/arch-rockchip/boot0.h > index 8d7bc9a..7346876 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 CONFIG_ROCKCHIP_SPL_RESERVE_IRAM /* space for the ATF data */ > +#endif > diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig > index af0796d..979b48e 100644 > --- a/arch/arm/mach-rockchip/Kconfig > +++ b/arch/arm/mach-rockchip/Kconfig > @@ -72,6 +72,14 @@ config ROCKCHIP_SPL_BACK_TO_BROM > SPL will return to the boot rom, which will then load the U-Boot > binary to keep going on. > > +config ROCKCHIP_SPL_RESERVE_IRAM > + hex "Size of IRAM reserved in SPL" > + default 0x4000 > + help > + SPL may need reserve memory for firmware load by SPL, which load > + address is in IRAM and may overlay with SPL text area if not > + reserved. > + > config ROCKCHIP_BROM_HELPER > bool > > -- > 1.9.1 > _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
