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| author | Sergey Alyoshin <alyoshin.s@gmail.com> | 2013-12-17 23:24:54 +0400 | 
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-01-03 15:44:06 +0100 | 
| commit | 4611d5bab26f93471b84f6f33967cef69b3f723a (patch) | |
| tree | 8f06c237bcbe2a7bd8f599ef487cf690b80ef3eb /drivers/misc/fsl_iim.c | |
| parent | c655b816e55464bf615e875475b8ffa506a4455e (diff) | |
| download | olio-uboot-2014.01-4611d5bab26f93471b84f6f33967cef69b3f723a.tar.xz olio-uboot-2014.01-4611d5bab26f93471b84f6f33967cef69b3f723a.zip | |
arm: mx5: Add fuse supply enable in fsl_iim
Enable fuse supply before fuse programming and disable after.
Signed-off-by: Sergey Alyoshin <alyoshin.s@gmail.com>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Diffstat (limited to 'drivers/misc/fsl_iim.c')
| -rw-r--r-- | drivers/misc/fsl_iim.c | 13 | 
1 files changed, 12 insertions, 1 deletions
| diff --git a/drivers/misc/fsl_iim.c b/drivers/misc/fsl_iim.c index 44ae7b102..36433a74f 100644 --- a/drivers/misc/fsl_iim.c +++ b/drivers/misc/fsl_iim.c @@ -16,6 +16,9 @@  #ifndef CONFIG_MPC512X  #include <asm/arch/imx-regs.h>  #endif +#if defined(CONFIG_MX51) || defined(CONFIG_MX53) +#include <asm/arch/clock.h> +#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;  } |