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authorPeng Fan2020-05-11 15:16:07 +0800
committerPeng Fan2020-07-14 15:23:46 +0800
commitc2eaa6eb09f474c4af51443256fe072d2e137719 (patch)
tree8fad6f4965889fd2367728ed72209c9514f0c0ff /drivers/misc/imx8
parentbf26b9421eb78c7ff3ecf42a8b5bcde0315343b5 (diff)
imx8: fuse: use arm_smccc_smc
Use arm_smccc_smc to replace call_imx_sip Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers/misc/imx8')
-rw-r--r--drivers/misc/imx8/fuse.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/misc/imx8/fuse.c b/drivers/misc/imx8/fuse.c
index 4d7f2f524d0..be181229370 100644
--- a/drivers/misc/imx8/fuse.c
+++ b/drivers/misc/imx8/fuse.c
@@ -9,6 +9,7 @@
#include <fuse.h>
#include <asm/arch/sci/sci.h>
#include <asm/arch/sys_proto.h>
+#include <linux/arm-smccc.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -36,22 +37,24 @@ int fuse_read(u32 bank, u32 word, u32 *val)
int fuse_sense(u32 bank, u32 word, u32 *val)
{
- unsigned long ret = 0, value = 0;
+ struct arm_smccc_res res;
if (bank != 0) {
printf("Invalid bank argument, ONLY bank 0 is supported\n");
return -EINVAL;
}
- ret = call_imx_sip_ret2(FSL_SIP_OTP_READ, (unsigned long)word, &value,
- 0, 0);
- *val = (u32)value;
+ arm_smccc_smc(FSL_SIP_OTP_READ, (unsigned long)word, 0, 0,
+ 0, 0, 0, 0, &res);
+ *val = (u32)res.a1;
- return ret;
+ return res.a0;
}
int fuse_prog(u32 bank, u32 word, u32 val)
{
+ struct arm_smccc_res res;
+
if (bank != 0) {
printf("Invalid bank argument, ONLY bank 0 is supported\n");
return -EINVAL;
@@ -78,8 +81,10 @@ int fuse_prog(u32 bank, u32 word, u32 val)
}
}
- return call_imx_sip(FSL_SIP_OTP_WRITE, (unsigned long)word,
- (unsigned long)val, 0, 0);
+ arm_smccc_smc(FSL_SIP_OTP_WRITE, (unsigned long)word,
+ (unsigned long)val, 0, 0, 0, 0, 0, &res);
+
+ return res.a0;
}
int fuse_override(u32 bank, u32 word, u32 val)