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>
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 <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 @@
} 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 @@
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;
}