diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-imx/imx8mq.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8mq.c b/arch/arm/mach-imx/imx8mq.c index dbcf4fa59f..152f07bc12 100644 --- a/arch/arm/mach-imx/imx8mq.c +++ b/arch/arm/mach-imx/imx8mq.c @@ -20,11 +20,16 @@ #include <mach/revision.h> #include <mach/imx8mq-regs.h> +#include <linux/arm-smccc.h> + #define IMX8MQ_ROM_VERSION_A0 0x800 #define IMX8MQ_ROM_VERSION_B0 0x83C #define MX8MQ_ANATOP_DIGPROG 0x6c +#define FSL_SIP_BUILDINFO 0xC2000003 +#define FSL_SIP_BUILDINFO_GET_COMMITHASH 0x00 + static void imx8mq_silicon_revision(void) { void __iomem *anatop = IOMEM(MX8MQ_ANATOP_BASE_ADDR); @@ -81,7 +86,17 @@ core_initcall(imx8mq_init_syscnt_frequency); int imx8mq_init(void) { + struct arm_smccc_res res; + imx8mq_silicon_revision(); + if (IS_ENABLED(CONFIG_ARM_SMCCC) && + IS_ENABLED(CONFIG_FIRMWARE_IMX8MQ_ATF)) { + arm_smccc_smc(FSL_SIP_BUILDINFO, + FSL_SIP_BUILDINFO_GET_COMMITHASH, + 0, 0, 0, 0, 0, 0, &res); + pr_info("i.MX ARM Trusted Firmware: %s\n", (char *)&res.a0); + } + return 0; } |