1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
11 #include <dm/device.h>
12 #include <dm/uclass.h>
13 #include <power/stpmic1.h>
15 #define STM32MP_OTP_BANK 0
16 #define STM32MP_NVM_BANK 1
19 * The 'fuse' command API
21 int fuse_read(u32 bank, u32 word, u32 *val)
27 case STM32MP_OTP_BANK:
28 ret = uclass_get_device_by_driver(UCLASS_MISC,
29 DM_GET_DRIVER(stm32mp_bsec),
33 ret = misc_read(dev, word * 4 + STM32_BSEC_SHADOW_OFFSET,
40 #ifdef CONFIG_PMIC_STPMIC1
41 case STM32MP_NVM_BANK:
43 ret = stpmic1_shadow_read_byte(word, (u8 *)val);
45 #endif /* CONFIG_PMIC_STPMIC1 */
48 printf("stm32mp %s: wrong value for bank %i\n", __func__, bank);
56 int fuse_prog(u32 bank, u32 word, u32 val)
62 case STM32MP_OTP_BANK:
63 ret = uclass_get_device_by_driver(UCLASS_MISC,
64 DM_GET_DRIVER(stm32mp_bsec),
68 ret = misc_write(dev, word * 4 + STM32_BSEC_OTP_OFFSET,
75 #ifdef CONFIG_PMIC_STPMIC1
76 case STM32MP_NVM_BANK:
77 ret = stpmic1_nvm_write_byte(word, (u8 *)&val);
79 #endif /* CONFIG_PMIC_STPMIC1 */
82 printf("stm32mp %s: wrong value for bank %i\n", __func__, bank);
90 int fuse_sense(u32 bank, u32 word, u32 *val)
96 case STM32MP_OTP_BANK:
97 ret = uclass_get_device_by_driver(UCLASS_MISC,
98 DM_GET_DRIVER(stm32mp_bsec),
102 ret = misc_read(dev, word * 4 + STM32_BSEC_OTP_OFFSET, val, 4);
108 #ifdef CONFIG_PMIC_STPMIC1
109 case STM32MP_NVM_BANK:
111 ret = stpmic1_nvm_read_byte(word, (u8 *)val);
113 #endif /* CONFIG_PMIC_STPMIC1 */
116 printf("stm32mp %s: wrong value for bank %i\n", __func__, bank);
124 int fuse_override(u32 bank, u32 word, u32 val)
130 case STM32MP_OTP_BANK:
131 ret = uclass_get_device_by_driver(UCLASS_MISC,
132 DM_GET_DRIVER(stm32mp_bsec),
136 ret = misc_write(dev, word * 4 + STM32_BSEC_SHADOW_OFFSET,
143 #ifdef CONFIG_PMIC_STPMIC1
144 case STM32MP_NVM_BANK:
145 ret = stpmic1_shadow_write_byte(word, (u8 *)&val);
147 #endif /* CONFIG_PMIC_STPMIC1 */
150 printf("stm32mp %s: wrong value for bank %i\n",