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rockchip: misc: read cpuid either from efuse or otp

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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 <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Heiko Stuebner 2019-09-25 20:21:21 +02:00 committed by Kever Yang
parent a907dc3f25
commit e61350a5f5
1 changed files with 6 additions and 1 deletions
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7
arch/arm/mach-rockchip/misc.c
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@ -57,13 +57,18 @@ int rockchip_cpuid_from_efuse(const u32 cpuid_offset,
const u32 cpuid_length, const u32 cpuid_length,
u8 *cpuid) u8 *cpuid)
{ {
#if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE) #if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE) || CONFIG_IS_ENABLED(ROCKCHIP_OTP)
struct udevice *dev; struct udevice *dev;
int ret; int ret;
/* retrieve the device */ /* retrieve the device */
#if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE)
ret = uclass_get_device_by_driver(UCLASS_MISC, ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_GET_DRIVER(rockchip_efuse), &dev); 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) { if (ret) {
debug("%s: could not find efuse device\n", __func__); debug("%s: could not find efuse device\n", __func__);
return -1; return -1;