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author | Anson Huang <Anson.Huang@nxp.com> | 2020-06-10 12:03:02 +0200 |
---|---|---|
committer | Shawn Guo <shawnguo@kernel.org> | 2020-06-23 13:45:21 +0200 |
commit | c95c9693b112f312b59c5d100fd09a1349970fab (patch) | |
tree | ca0a414e8fc0a59ba1c1baa826900a4bf5f6fc53 | |
parent | ARM: dts: imx6ul-kontron: Change WDOG_ANY signal from push-pull to open-drain (diff) | |
download | linux-c95c9693b112f312b59c5d100fd09a1349970fab.tar.xz linux-c95c9693b112f312b59c5d100fd09a1349970fab.zip |
soc: imx8m: Correct i.MX8MP UID fuse offset
Correct i.MX8MP UID fuse offset according to fuse map:
UID_LOW: 0x420
UID_HIGH: 0x430
Fixes: fc40200ebf82 ("soc: imx: increase build coverage for imx8m soc driver")
Fixes: 18f662a73862 ("soc: imx: Add i.MX8MP SoC driver support")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
-rw-r--r-- | drivers/soc/imx/soc-imx8m.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/soc/imx/soc-imx8m.c b/drivers/soc/imx/soc-imx8m.c index 7b0759adb47d..0bc831499bd8 100644 --- a/drivers/soc/imx/soc-imx8m.c +++ b/drivers/soc/imx/soc-imx8m.c @@ -22,6 +22,8 @@ #define OCOTP_UID_LOW 0x410 #define OCOTP_UID_HIGH 0x420 +#define IMX8MP_OCOTP_UID_OFFSET 0x10 + /* Same as ANADIG_DIGPROG_IMX7D */ #define ANADIG_DIGPROG_IMX8MM 0x800 @@ -87,6 +89,8 @@ static void __init imx8mm_soc_uid(void) { void __iomem *ocotp_base; struct device_node *np; + u32 offset = of_machine_is_compatible("fsl,imx8mp") ? + IMX8MP_OCOTP_UID_OFFSET : 0; np = of_find_compatible_node(NULL, NULL, "fsl,imx8mm-ocotp"); if (!np) @@ -95,9 +99,9 @@ static void __init imx8mm_soc_uid(void) ocotp_base = of_iomap(np, 0); WARN_ON(!ocotp_base); - soc_uid = readl_relaxed(ocotp_base + OCOTP_UID_HIGH); + soc_uid = readl_relaxed(ocotp_base + OCOTP_UID_HIGH + offset); soc_uid <<= 32; - soc_uid |= readl_relaxed(ocotp_base + OCOTP_UID_LOW); + soc_uid |= readl_relaxed(ocotp_base + OCOTP_UID_LOW + offset); iounmap(ocotp_base); of_node_put(np); |