diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
| commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
| tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /arch/arm/mach-imx/cpu.c | |
| parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
| download | linux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz | |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mach-imx/cpu.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 871f98342d50..06f8d64b65af 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -15,6 +15,11 @@ #define OCOTP_UID_H 0x420 #define OCOTP_UID_L 0x410 +#define OCOTP_ULP_UID_1 0x4b0 +#define OCOTP_ULP_UID_2 0x4c0 +#define OCOTP_ULP_UID_3 0x4d0 +#define OCOTP_ULP_UID_4 0x4e0 + unsigned int __mxc_cpu_type; static unsigned int imx_soc_revision; @@ -164,6 +169,7 @@ struct device * __init imx_soc_device_init(void) soc_id = "i.MX7D"; break; case MXC_CPU_IMX7ULP: + ocotp_compat = "fsl,imx7ulp-ocotp"; soc_id = "i.MX7ULP"; break; default: @@ -178,11 +184,25 @@ struct device * __init imx_soc_device_init(void) } if (!IS_ERR_OR_NULL(ocotp)) { - regmap_read(ocotp, OCOTP_UID_H, &val); - soc_uid = val; - regmap_read(ocotp, OCOTP_UID_L, &val); - soc_uid <<= 32; - soc_uid |= val; + if (__mxc_cpu_type == MXC_CPU_IMX7ULP) { + regmap_read(ocotp, OCOTP_ULP_UID_4, &val); + soc_uid = val & 0xffff; + regmap_read(ocotp, OCOTP_ULP_UID_3, &val); + soc_uid <<= 16; + soc_uid |= val & 0xffff; + regmap_read(ocotp, OCOTP_ULP_UID_2, &val); + soc_uid <<= 16; + soc_uid |= val & 0xffff; + regmap_read(ocotp, OCOTP_ULP_UID_1, &val); + soc_uid <<= 16; + soc_uid |= val & 0xffff; + } else { + regmap_read(ocotp, OCOTP_UID_H, &val); + soc_uid = val; + regmap_read(ocotp, OCOTP_UID_L, &val); + soc_uid <<= 32; + soc_uid |= val; + } } soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d.%d", |