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authorLeonard Crestez <leonard.crestez@nxp.com>2019-06-26 12:27:33 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-26 14:26:47 +0200
commit5a1c17240bf1b8d2b262aaa1a4c26070d43d868f (patch)
tree25187ce0a473bbd8db116eeb94847a41549d1cb6 /drivers/nvmem/imx-ocotp.c
parentnvmem: imx-ocotp: Add i.MX8MM support (diff)
downloadlinux-5a1c17240bf1b8d2b262aaa1a4c26070d43d868f.tar.xz
linux-5a1c17240bf1b8d2b262aaa1a4c26070d43d868f.zip
nvmem: imx-ocotp: imx8mq is compatible with imx6 not imx7
According to NXP Reference Manuals and uboot/atf sources the OCOTP block on imx8m behaves more like imx6 than imx7. - Fuses can be read/written 32bits at a time (no imx7-like banking) - The OCOTP_HW_OCOTP_TIMING register is like imx6 not imx7 Since nvmem doesn't support uboot-style "sense" and "override" this issue only affected "write" which is very rarely used. Fixes: 163c0dbd0cb1 ("nvmem: imx-ocotp: add support for imx8mq") Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvmem/imx-ocotp.c')
-rw-r--r--drivers/nvmem/imx-ocotp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index 340ab336f987..42d4451e7d67 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -469,8 +469,8 @@ static const struct ocotp_params imx7ulp_params = {
static const struct ocotp_params imx8mq_params = {
.nregs = 256,
- .bank_address_words = 4,
- .set_timing = imx_ocotp_set_imx7_timing,
+ .bank_address_words = 0,
+ .set_timing = imx_ocotp_set_imx6_timing,
};
static const struct ocotp_params imx8mm_params = {