From 4611d5bab26f93471b84f6f33967cef69b3f723a Mon Sep 17 00:00:00 2001 From: Sergey Alyoshin Date: Tue, 17 Dec 2013 23:24:54 +0400 Subject: arm: mx5: Add fuse supply enable in fsl_iim MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enable fuse supply before fuse programming and disable after. Signed-off-by: Sergey Alyoshin Reviewed-by: Benoît Thébaudeau --- drivers/misc/fsl_iim.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/misc/fsl_iim.c b/drivers/misc/fsl_iim.c index 44ae7b1..36433a7 100644 --- a/drivers/misc/fsl_iim.c +++ b/drivers/misc/fsl_iim.c @@ -16,6 +16,9 @@ #ifndef CONFIG_MPC512X #include #endif +#if defined(CONFIG_MX51) || defined(CONFIG_MX53) +#include +#endif /* FSL IIM-specific constants */ #define STAT_BUSY 0x80 @@ -93,6 +96,10 @@ struct fsl_iim { } bank[8]; }; +#if !defined(CONFIG_MX51) && !defined(CONFIG_MX53) +#define enable_efuse_prog_supply(enable) +#endif + static int prepare_access(struct fsl_iim **regs, u32 bank, u32 word, int assert, const char *caller) { @@ -237,12 +244,16 @@ int fuse_prog(u32 bank, u32 word, u32 val) if (ret) return ret; + enable_efuse_prog_supply(1); for (bit = 0; val; bit++, val >>= 1) if (val & 0x01) { ret = prog_bit(regs, bank, word, bit); - if (ret) + if (ret) { + enable_efuse_prog_supply(0); return ret; + } } + enable_efuse_prog_supply(0); return 0; } -- cgit v1.1