mirror of
https://github.com/AsahiLinux/u-boot
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ec44cace4b
Add a virtual DFU backend to allow board specific read and write (for OTP update for example). Acked-by: Lukasz Majewski <lukma@denx.de> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2019, STMicroelectronics - All Rights Reserved
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*/
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#include <common.h>
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#include <dfu.h>
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#include <errno.h>
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#include <malloc.h>
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int __weak 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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debug("%s: off=0x%llx, len=0x%x\n", __func__, offset, (u32)*len);
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return 0;
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}
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int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
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{
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*size = 0;
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return 0;
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}
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int __weak 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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debug("%s: off=0x%llx, len=0x%x\n", __func__, offset, (u32)*len);
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*len = 0;
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return 0;
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}
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int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr, char *s)
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{
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debug("%s: devstr = %s\n", __func__, devstr);
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dfu->dev_type = DFU_DEV_VIRT;
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dfu->layout = DFU_RAW_ADDR;
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dfu->data.virt.dev_num = simple_strtoul(devstr, NULL, 10);
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dfu->write_medium = dfu_write_medium_virt;
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dfu->get_medium_size = dfu_get_medium_size_virt;
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dfu->read_medium = dfu_read_medium_virt;
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dfu->inited = 0;
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return 0;
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}
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