iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

soc: imx8m: Correct i.MX8MP UID fuse offset

Browse Source 
Correct i.MX8MP UID fuse offset according to fuse map:

UID_LOW: 0x420
UID_HIGH: 0x430

Fixes: fc40200ebf ("soc: imx: increase build coverage for imx8m soc driver")
Fixes: 18f662a738 ("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>
This commit is contained in:
Anson Huang 2020-06-10 18:03:02 +08:00 committed by Shawn Guo
parent d22a16cc92
commit c95c9693b1
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/soc/imx/soc-imx8m.c
View File

@ -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);