misc: fuse: update the code for accessing fuse of i.MX93

Sentinel have read access of OTP shadow register 0-511, and fsb have
read access of shadow 0-51/312-511.

Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/misc/sentinel/fuse.c b/drivers/misc/sentinel/fuse.c
index abb4c07..e2b6875 100644 (file)
--- a/drivers/misc/sentinel/fuse.c
+++ b/drivers/misc/sentinel/fuse.c
@@ -75,22 +75,44 @@ struct fsb_map_entry fsb_mapping_table[] = {
        { 0, 8 },
        { 1, 8 },
        { 2, 8 },
-       { -1, 8 },
+       { 3, 8 },
        { 4, 8 },
        { 5, 8 },
-       { 6, 8 }, /* UID */
-       { -1, 8 },
-       { 8, 8 },
-       { 9, 8 },
-       { 10, 8 },
+       { 6, 4 },
+       { -1, 260 },
+       { 39, 8 },
+       { 40, 8 },
+       { 41, 8 },
+       { 42, 8 },
+       { 43, 8 },
+       { 44, 8 },
+       { 45, 8 },
+       { 46, 8 },
+       { 47, 8 },
+       { 48, 8 },
+       { 49, 8 },
+       { 50, 8 },
+       { 51, 8 },
+       { 52, 8 },
+       { 53, 8 },
+       { 54, 8 },
+       { 55, 8 },
+       { 56, 8 },
+       { 57, 8 },
+       { 58, 8 },
+       { 59, 8 },
+       { 60, 8 },
+       { 61, 8 },
+       { 62, 8 },
+       { 63, 8 },
 };
 
 struct s400_map_entry s400_api_mapping_table[] = {
-       { 3, 11 }, /* 24 .. 34 */
-       { 7, 8 },
-       { 16, 11 }, /* 128 .. 143 */
-       { 22, 8 },
-       { 23, 8 },
+       { 7, 1, 7, 63 },
+       { 16, 8, },
+       { 17, 8, },
+       { 22, 1, 6 },
+       { 23, 1, 4 },
 };
 #endif
 
@@ -102,7 +124,8 @@ static s32 map_fsb_fuse_index(u32 bank, u32 word, bool *redundancy)
        /* map the fuse from ocotp fuse map to FSB*/
        for (i = 0; i < size; i++) {
                if (fsb_mapping_table[i].fuse_bank != -1 &&
-                   fsb_mapping_table[i].fuse_bank == bank) {
+                   fsb_mapping_table[i].fuse_bank == bank &&
+                   fsb_mapping_table[i].fuse_words > word) {
                        break;
                }
 
@@ -146,6 +169,7 @@ static s32 map_s400_fuse_index(u32 bank, u32 word)
        return s400_api_mapping_table[i].fuse_bank * 8 + word;
 }
 
+#if defined(CONFIG_IMX8ULP)
 int fuse_sense(u32 bank, u32 word, u32 *val)
 {
        s32 word_index;
@@ -198,6 +222,44 @@ int fuse_sense(u32 bank, u32 word, u32 *val)
 
        return -ENOENT;
 }
+#elif defined(CONFIG_ARCH_IMX9)
+int fuse_sense(u32 bank, u32 word, u32 *val)
+{
+       s32 word_index;
+       bool redundancy;
+
+       if (bank >= FUSE_BANKS || word >= WORDS_PER_BANKS || !val)
+               return -EINVAL;
+
+       word_index = map_fsb_fuse_index(bank, word, &redundancy);
+       if (word_index >= 0) {
+               *val = readl((ulong)FSB_BASE_ADDR + FSB_OTP_SHADOW + (word_index << 2));
+               if (redundancy)
+                       *val = (*val >> ((word % 2) * 16)) & 0xFFFF;
+
+               return 0;
+       }
+
+       word_index = map_s400_fuse_index(bank, word);
+       if (word_index >= 0) {
+               u32 data;
+               u32 res, size = 1;
+               int ret;
+
+               ret = ahab_read_common_fuse(word_index, &data, size, &res);
+               if (ret) {
+                       printf("ahab read fuse failed %d, 0x%x\n", ret, res);
+                       return ret;
+               }
+
+               *val = data;
+
+               return 0;
+       }
+
+       return -ENOENT;
+}
+#endif
 
 int fuse_read(u32 bank, u32 word, u32 *val)
 {