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03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
99 lines
2.0 KiB
C
99 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
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/*
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* Copyright (C) 2023, STMicroelectronics - All Rights Reserved
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*/
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#include <dfu.h>
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#include <dm.h>
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#include <misc.h>
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#include <asm/arch/stm32prog.h>
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#include <power/stpmic1.h>
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static int dfu_otp_read(u64 offset, u8 *buffer, long *size)
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{
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struct udevice *dev;
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int ret;
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ret = uclass_get_device_by_driver(UCLASS_MISC,
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DM_DRIVER_GET(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, offset + STM32_BSEC_OTP_OFFSET, buffer, *size);
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if (ret >= 0) {
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*size = ret;
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ret = 0;
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}
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return 0;
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}
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static int dfu_pmic_read(u64 offset, u8 *buffer, long *size)
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{
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int ret;
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struct udevice *dev;
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if (!IS_ENABLED(CONFIG_PMIC_STPMIC1)) {
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log_err("PMIC update not supported");
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return -EOPNOTSUPP;
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}
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ret = uclass_get_device_by_driver(UCLASS_MISC,
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DM_DRIVER_GET(stpmic1_nvm),
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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, 0xF8 + offset, buffer, *size);
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if (ret >= 0) {
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*size = ret;
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ret = 0;
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}
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if (ret == -EACCES) {
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*size = 0;
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ret = 0;
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}
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return ret;
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}
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int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
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void *buf, long *len)
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{
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switch (dfu->data.virt.dev_num) {
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case 0x0:
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return dfu_otp_read(offset, buf, len);
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case 0x1:
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return dfu_pmic_read(offset, buf, len);
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}
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if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
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dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
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return stm32prog_read_medium_virt(dfu, offset, buf, len);
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*len = 0;
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return 0;
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}
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int dfu_write_medium_virt(struct dfu_entity *dfu, u64 offset,
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void *buf, long *len)
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{
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if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
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dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
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return stm32prog_write_medium_virt(dfu, offset, buf, len);
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return -EOPNOTSUPP;
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}
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int dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
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{
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if (IS_ENABLED(CONFIG_CMD_STM32PROG_USB) &&
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dfu->data.virt.dev_num >= STM32PROG_VIRT_FIRST_DEV_NUM)
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return stm32prog_get_medium_size_virt(dfu, size);
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*size = SZ_1K;
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return 0;
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}
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