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misc: ocotp: add i.MX8M support

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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@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
This commit is contained in:
Peng Fan 2018-01-10 13:20:39 +08:00 committed by Stefano Babic
parent e0e4e53375
commit 8a099b6860
1 changed files with 7 additions and 0 deletions
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7
drivers/misc/mxc_ocotp.c
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@ -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 */