brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

rockchip: misc: read cpuid either from efuse or otp

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/arm/mach-rockchip/misc.c
View File

@ -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;