[U-Boot] [PATCH 14/23] misc: ocotp: add i.MX8M support
Peng Fan
peng.fan at nxp.com
Tue Nov 28 12:31:56 UTC 2017
i.MX8M OCOTP follow same flow as i.MX6Q, but it has 64 banks
and each bank 4 words.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
drivers/misc/mxc_ocotp.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/misc/mxc_ocotp.c b/drivers/misc/mxc_ocotp.c
index 8986bb4ad0..0cf24a4c88 100644
--- a/drivers/misc/mxc_ocotp.c
+++ b/drivers/misc/mxc_ocotp.c
@@ -35,6 +35,8 @@
#define BM_OUT_STATUS_DED 0x00000400
#define BM_OUT_STATUS_LOCKED 0x00000800
#define BM_OUT_STATUS_PROGFAIL 0x00001000
+#elif defined(CONFIG_MX8M)
+#define BM_CTRL_ADDR 0x000000ff
#else
#define BM_CTRL_ADDR 0x0000007f
#endif
@@ -79,6 +81,9 @@
#elif defined(CONFIG_MX7ULP)
#define FUSE_BANK_SIZE 0x80
#define FUSE_BANKS 31
+#elif defined(CONFIG_MX8M)
+#define FUSE_BANK_SIZE 0x40
+#define FUSE_BANKS 64
#else
#error "Unsupported architecture\n"
#endif
@@ -294,6 +299,8 @@ static void setup_direct_access(struct ocotp_regs *regs, u32 bank, u32 word,
u32 wr_unlock = write ? BV_CTRL_WR_UNLOCK_KEY : 0;
#ifdef CONFIG_MX7
u32 addr = bank;
+#elif defined CONFIG_MX8M
+ u32 addr = bank << 2 | word;
#else
u32 addr;
/* Bank 7 and Bank 8 only supports 4 words each for i.MX6ULL */
--
2.14.1
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