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| author | Alice Guo <alice.guo@nxp.com> | 2022-07-26 16:40:59 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2022-07-26 11:29:01 +0200 |
| commit | 31b3ca5527dce8eed136b0dc30026cb24fac6eb1 (patch) | |
| tree | b20007067848f2021cd937508dc458b3ce3ce246 /drivers | |
| parent | 5d78ff733d647e694e803f87f2645a45229d1413 (diff) | |
| download | u-boot-31b3ca5527dce8eed136b0dc30026cb24fac6eb1.zip u-boot-31b3ca5527dce8eed136b0dc30026cb24fac6eb1.tar.gz u-boot-31b3ca5527dce8eed136b0dc30026cb24fac6eb1.tar.bz2 | |
misc: fuse: support to access fuse on i.MX93
i.MX93 fuse can be accessed through FSB and s400-api. Add mapping tables
for i.MX93. The offset address of FSB accessing OTP shadow registers is
different between i.MX8ULP and i.MX93, so use macro to define the offset
address instead of hardcode.
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/sentinel/fuse.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/misc/sentinel/fuse.c b/drivers/misc/sentinel/fuse.c index 83d2c25..abb4c07 100644 --- a/drivers/misc/sentinel/fuse.c +++ b/drivers/misc/sentinel/fuse.c @@ -31,6 +31,9 @@ struct s400_map_entry { u32 s400_index; }; +#if defined(CONFIG_IMX8ULP) +#define FSB_OTP_SHADOW 0x800 + struct fsb_map_entry fsb_mapping_table[] = { { 3, 8 }, { 4, 8 }, @@ -65,6 +68,31 @@ struct s400_map_entry s400_api_mapping_table[] = { { 23, 1, 4, 2 }, /* OTFAD */ { 25, 8 }, /* Test config2 */ }; +#elif defined(CONFIG_ARCH_IMX9) +#define FSB_OTP_SHADOW 0x8000 + +struct fsb_map_entry fsb_mapping_table[] = { + { 0, 8 }, + { 1, 8 }, + { 2, 8 }, + { -1, 8 }, + { 4, 8 }, + { 5, 8 }, + { 6, 8 }, /* UID */ + { -1, 8 }, + { 8, 8 }, + { 9, 8 }, + { 10, 8 }, +}; + +struct s400_map_entry s400_api_mapping_table[] = { + { 3, 11 }, /* 24 .. 34 */ + { 7, 8 }, + { 16, 11 }, /* 128 .. 143 */ + { 22, 8 }, + { 23, 8 }, +}; +#endif static s32 map_fsb_fuse_index(u32 bank, u32 word, bool *redundancy) { @@ -128,7 +156,7 @@ int fuse_sense(u32 bank, u32 word, u32 *val) word_index = map_fsb_fuse_index(bank, word, &redundancy); if (word_index >= 0) { - *val = readl((ulong)FSB_BASE_ADDR + 0x800 + (word_index << 2)); + *val = readl((ulong)FSB_BASE_ADDR + FSB_OTP_SHADOW + (word_index << 2)); if (redundancy) *val = (*val >> ((word % 2) * 16)) & 0xFFFF; |