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| author | Adrian Alonso <aalonso@freescale.com> | 2015-10-12 13:48:15 -0500 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-10-30 15:22:37 +0100 |
| commit | ee3899aa6c938f950a66024f1a451f3219ed85ec (patch) | |
| tree | 9f79fd39f3cd44b8e3da0f36fdebcfc972d75de9 /arch | |
| parent | fba6f9efa4e20a137f1a8121225c5deff4b17300 (diff) | |
| download | talos-obmc-uboot-ee3899aa6c938f950a66024f1a451f3219ed85ec.tar.gz talos-obmc-uboot-ee3899aa6c938f950a66024f1a451f3219ed85ec.zip | |
imx: hab: add mx7 secure boot support
Add mx7 secure boot support, add helper macro IS_HAB_ENABLED_BIT
to get the corresponding bit mask per SoC (mx7 or mx6) to identify
if securue boot feature is enabled/disabled.
On authenticate_image only check for mmu enabled on mx6 SoC to
force pu_irom_mmu_enabled so ROM code can perform mmu cache flush
mx7 SoC ROM code does not have this issue as ROM enables cache support
based on fuse settings.
Signed-off-by: Adrian Alonso <aalonso@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/imx-common/hab.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/imx-common/hab.c b/arch/arm/imx-common/hab.c index 277c81ef67..8bbcc22454 100644 --- a/arch/arm/imx-common/hab.c +++ b/arch/arm/imx-common/hab.c @@ -81,6 +81,8 @@ #define MX6DQ_PU_IROM_MMU_EN_VAR 0x009024a8 #define MX6DLS_PU_IROM_MMU_EN_VAR 0x00901dd0 #define MX6SL_PU_IROM_MMU_EN_VAR 0x00900a18 +#define IS_HAB_ENABLED_BIT \ + (is_soc_type(MXC_SOC_MX7) ? 0x2000000 : 0x2) /* * +------------+ 0x0 (DDR_UIMAGE_START) - @@ -273,7 +275,7 @@ bool is_hab_enabled(void) return ret; } - return (reg & 0x2) == 0x2; + return (reg & IS_HAB_ENABLED_BIT) == IS_HAB_ENABLED_BIT; } static inline uint8_t get_idx(uint8_t *list, uint8_t tgt) @@ -421,7 +423,7 @@ uint32_t authenticate_image(uint32_t ddr_start, uint32_t image_size) * crash. */ /* Check MMU enabled */ - if (get_cr() & CR_M) { + if (is_soc_type(MXC_SOC_MX6) && get_cr() & CR_M) { if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) { /* |
