From: Heiko Stuebner Date: Wed, 25 Sep 2019 18:21:21 +0000 (+0200) Subject: rockchip: misc: read cpuid either from efuse or otp X-Git-Tag: v2020.01-rc3~2^2~35 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=e61350a5f5f711fc4427bb1303c54d853db941e0;p=oweals%2Fu-boot.git rockchip: misc: read cpuid either from efuse or otp Newer Rockchip socs use a different ip block to handle one-time- programmable memory, so depending on what got enabled get the cpuid from either source. Signed-off-by: Heiko Stuebner Reviewed-by: Kever Yang --- diff --git a/arch/arm/mach-rockchip/misc.c b/arch/arm/mach-rockchip/misc.c index c0e4fdbc00..bed4317f7e 100644 --- a/arch/arm/mach-rockchip/misc.c +++ b/arch/arm/mach-rockchip/misc.c @@ -57,13 +57,18 @@ int rockchip_cpuid_from_efuse(const u32 cpuid_offset, const u32 cpuid_length, u8 *cpuid) { -#if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE) +#if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE) || CONFIG_IS_ENABLED(ROCKCHIP_OTP) struct udevice *dev; int ret; /* retrieve the device */ +#if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE) ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(rockchip_efuse), &dev); +#elif CONFIG_IS_ENABLED(ROCKCHIP_OTP) + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(rockchip_otp), &dev); +#endif if (ret) { debug("%s: could not find efuse device\n", __func__); return -1;