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Diffstat (limited to 'drivers/nvmem/imx-ocotp.c')
-rw-r--r--drivers/nvmem/imx-ocotp.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index 4ba9cc8f76df..50bea2aadc1b 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -44,6 +44,11 @@
#define IMX_OCOTP_BM_CTRL_ERROR 0x00000200
#define IMX_OCOTP_BM_CTRL_REL_SHADOWS 0x00000400
+#define IMX_OCOTP_BM_CTRL_ADDR_8MP 0x000001FF
+#define IMX_OCOTP_BM_CTRL_BUSY_8MP 0x00000200
+#define IMX_OCOTP_BM_CTRL_ERROR_8MP 0x00000400
+#define IMX_OCOTP_BM_CTRL_REL_SHADOWS_8MP 0x00000800
+
#define IMX_OCOTP_BM_CTRL_DEFAULT \
{ \
.bm_addr = IMX_OCOTP_BM_CTRL_ADDR, \
@@ -52,6 +57,14 @@
.bm_rel_shadows = IMX_OCOTP_BM_CTRL_REL_SHADOWS,\
}
+#define IMX_OCOTP_BM_CTRL_8MP \
+ { \
+ .bm_addr = IMX_OCOTP_BM_CTRL_ADDR_8MP, \
+ .bm_busy = IMX_OCOTP_BM_CTRL_BUSY_8MP, \
+ .bm_error = IMX_OCOTP_BM_CTRL_ERROR_8MP, \
+ .bm_rel_shadows = IMX_OCOTP_BM_CTRL_REL_SHADOWS_8MP,\
+ }
+
#define TIMING_STROBE_PROG_US 10 /* Min time to blow a fuse */
#define TIMING_STROBE_READ_NS 37 /* Min time before read */
#define TIMING_RELAX_NS 17
@@ -193,9 +206,9 @@ read_end:
static void imx_ocotp_set_imx6_timing(struct ocotp_priv *priv)
{
- unsigned long clk_rate = 0;
+ unsigned long clk_rate;
unsigned long strobe_read, relax, strobe_prog;
- u32 timing = 0;
+ u32 timing;
/* 47.3.1.3.1
* Program HW_OCOTP_TIMING[STROBE_PROG] and HW_OCOTP_TIMING[RELAX]
@@ -245,9 +258,9 @@ static void imx_ocotp_set_imx6_timing(struct ocotp_priv *priv)
static void imx_ocotp_set_imx7_timing(struct ocotp_priv *priv)
{
- unsigned long clk_rate = 0;
+ unsigned long clk_rate;
u64 fsource, strobe_prog;
- u32 timing = 0;
+ u32 timing;
/* i.MX 7Solo Applications Processor Reference Manual, Rev. 0.1
* 6.4.3.3
@@ -520,6 +533,13 @@ static const struct ocotp_params imx8mn_params = {
.ctrl = IMX_OCOTP_BM_CTRL_DEFAULT,
};
+static const struct ocotp_params imx8mp_params = {
+ .nregs = 384,
+ .bank_address_words = 0,
+ .set_timing = imx_ocotp_set_imx6_timing,
+ .ctrl = IMX_OCOTP_BM_CTRL_8MP,
+};
+
static const struct of_device_id imx_ocotp_dt_ids[] = {
{ .compatible = "fsl,imx6q-ocotp", .data = &imx6q_params },
{ .compatible = "fsl,imx6sl-ocotp", .data = &imx6sl_params },
@@ -532,6 +552,7 @@ static const struct of_device_id imx_ocotp_dt_ids[] = {
{ .compatible = "fsl,imx8mq-ocotp", .data = &imx8mq_params },
{ .compatible = "fsl,imx8mm-ocotp", .data = &imx8mm_params },
{ .compatible = "fsl,imx8mn-ocotp", .data = &imx8mn_params },
+ { .compatible = "fsl,imx8mp-ocotp", .data = &imx8mp_params },
{ },
};
MODULE_DEVICE_TABLE(of, imx_ocotp_dt_ids);