From: Kever Yang Date: Thu, 27 Jul 2017 04:53:59 +0000 (+0800) Subject: rockchip: rk322x: set the DDR region as non-secure in SPL X-Git-Tag: v2017.09-rc2~5^2~5 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=18d38d3a9484b34046d49dc212288588ce1d8db2;p=u-boot rockchip: rk322x: set the DDR region as non-secure in SPL Disable the ddr secure region setting in SPL and the ddr memory becomes non-secure, every one can access it. the trust firmware like OPTEE should have the correct setting for it after SPL if there is one. Signed-off-by: Kever Yang Reviewed-by: Philipp Tomsich Acked-by: Philipp Tomsich --- diff --git a/arch/arm/mach-rockchip/rk322x-board-spl.c b/arch/arm/mach-rockchip/rk322x-board-spl.c index 15216c74b0..4ddb8ba065 100644 --- a/arch/arm/mach-rockchip/rk322x-board-spl.c +++ b/arch/arm/mach-rockchip/rk322x-board-spl.c @@ -41,6 +41,8 @@ static struct rk322x_grf * const grf = (void *)GRF_BASE; CON_IOMUX_UART2SEL_MASK, CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT); } + +#define SGRF_DDR_CON0 0x10150000 void board_init_f(ulong dummy) { struct udevice *dev; @@ -71,6 +73,8 @@ void board_init_f(ulong dummy) return; } + /* Disable the ddr secure region setting to make it non-secure */ + rk_clrreg(SGRF_DDR_CON0, 0x4000); #if defined(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT) back_to_bootrom(); #endif