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	This patch solves the following warnings:
warning: no previous prototype for 'fuse_read' [-Wmissing-prototypes]
 int fuse_read(u32 bank, u32 word, u32 *val)
     ^~~~~~~~~
  CC      cmd/sf.o
warning: no previous prototype for 'fuse_prog' [-Wmissing-prototypes]
 int fuse_prog(u32 bank, u32 word, u32 val)
     ^~~~~~~~~
warning: no previous prototype for 'fuse_sense' [-Wmissing-prototypes]
 int fuse_sense(u32 bank, u32 word, u32 *val)
     ^~~~~~~~~~
warning: no previous prototype for 'fuse_override' [-Wmissing-prototypes]
 int fuse_override(u32 bank, u32 word, u32 val)
     ^~~~~~~~~~~~~
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
		
	
			
		
			
				
	
	
		
			158 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			158 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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|  */
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| 
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| #include <common.h>
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| #include <command.h>
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| #include <fuse.h>
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| #include <misc.h>
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| #include <errno.h>
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| #include <dm/device.h>
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| #include <dm/uclass.h>
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| #include <power/stpmic1.h>
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| 
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| #define STM32MP_OTP_BANK	0
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| #define STM32MP_NVM_BANK	1
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| 
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| /*
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|  * The 'fuse' command API
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|  */
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| int fuse_read(u32 bank, u32 word, u32 *val)
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| {
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| 	int ret = 0;
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| 	struct udevice *dev;
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| 
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| 	switch (bank) {
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| 	case STM32MP_OTP_BANK:
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| 		ret = uclass_get_device_by_driver(UCLASS_MISC,
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| 						  DM_GET_DRIVER(stm32mp_bsec),
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| 						  &dev);
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| 		if (ret)
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| 			return ret;
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| 		ret = misc_read(dev, word * 4 + STM32_BSEC_SHADOW_OFFSET,
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| 				val, 4);
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| 		if (ret < 0)
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| 			return ret;
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| 		ret = 0;
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| 		break;
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| 
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| #ifdef CONFIG_PMIC_STPMIC1
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| 	case STM32MP_NVM_BANK:
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| 		*val = 0;
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| 		ret = stpmic1_shadow_read_byte(word, (u8 *)val);
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| 		break;
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| #endif /* CONFIG_PMIC_STPMIC1 */
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| 
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| 	default:
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| 		printf("stm32mp %s: wrong value for bank %i\n", __func__, bank);
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| 		ret = -EINVAL;
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| 		break;
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| int fuse_prog(u32 bank, u32 word, u32 val)
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| {
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| 	struct udevice *dev;
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| 	int ret;
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| 
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| 	switch (bank) {
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| 	case STM32MP_OTP_BANK:
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| 		ret = uclass_get_device_by_driver(UCLASS_MISC,
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| 						  DM_GET_DRIVER(stm32mp_bsec),
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| 						  &dev);
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| 		if (ret)
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| 			return ret;
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| 		ret = misc_write(dev, word * 4 + STM32_BSEC_OTP_OFFSET,
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| 				 &val, 4);
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| 		if (ret < 0)
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| 			return ret;
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| 		ret = 0;
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| 		break;
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| 
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| #ifdef CONFIG_PMIC_STPMIC1
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| 	case STM32MP_NVM_BANK:
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| 		ret = stpmic1_nvm_write_byte(word, (u8 *)&val);
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| 		break;
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| #endif /* CONFIG_PMIC_STPMIC1 */
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| 
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| 	default:
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| 		printf("stm32mp %s: wrong value for bank %i\n", __func__, bank);
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| 		ret = -EINVAL;
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| 		break;
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| int fuse_sense(u32 bank, u32 word, u32 *val)
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| {
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| 	struct udevice *dev;
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| 	int ret;
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| 
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| 	switch (bank) {
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| 	case STM32MP_OTP_BANK:
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| 		ret = uclass_get_device_by_driver(UCLASS_MISC,
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| 						  DM_GET_DRIVER(stm32mp_bsec),
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| 						  &dev);
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| 		if (ret)
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| 			return ret;
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| 		ret = misc_read(dev, word * 4 + STM32_BSEC_OTP_OFFSET, val, 4);
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| 		if (ret < 0)
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| 			return ret;
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| 		ret = 0;
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| 		break;
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| 
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| #ifdef CONFIG_PMIC_STPMIC1
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| 	case STM32MP_NVM_BANK:
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| 		*val = 0;
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| 		ret = stpmic1_nvm_read_byte(word, (u8 *)val);
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| 		break;
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| #endif /* CONFIG_PMIC_STPMIC1 */
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| 
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| 	default:
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| 		printf("stm32mp %s: wrong value for bank %i\n", __func__, bank);
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| 		ret = -EINVAL;
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| 		break;
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| int fuse_override(u32 bank, u32 word, u32 val)
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| {
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| 	struct udevice *dev;
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| 	int ret;
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| 
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| 	switch (bank) {
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| 	case STM32MP_OTP_BANK:
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| 		ret = uclass_get_device_by_driver(UCLASS_MISC,
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| 						  DM_GET_DRIVER(stm32mp_bsec),
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| 						  &dev);
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| 		if (ret)
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| 			return ret;
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| 		ret = misc_write(dev, word * 4 + STM32_BSEC_SHADOW_OFFSET,
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| 				 &val, 4);
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| 		if (ret < 0)
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| 			return ret;
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| 		ret = 0;
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| 		break;
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| 
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| #ifdef CONFIG_PMIC_STPMIC1
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| 	case STM32MP_NVM_BANK:
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| 		ret = stpmic1_shadow_write_byte(word, (u8 *)&val);
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| 		break;
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| #endif /* CONFIG_PMIC_STPMIC1 */
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| 
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| 	default:
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| 		printf("stm32mp %s: wrong value for bank %i\n",
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| 		       __func__, bank);
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| 		ret = -EINVAL;
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| 		break;
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| 	}
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| 
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| 	return ret;
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| }
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