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https://github.com/smaeul/u-boot.git
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ec29c07a40
Simplify the way all MTD devices are parsed. Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
142 lines
3.2 KiB
C
142 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2020, STMicroelectronics - All Rights Reserved
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*/
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#include <common.h>
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#include <blk.h>
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#include <dm.h>
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#include <dfu.h>
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#include <env.h>
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#include <log.h>
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#include <memalign.h>
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#include <misc.h>
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#include <mtd.h>
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#include <mtd_node.h>
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#include <asm/arch/stm32prog.h>
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#include <linux/printk.h>
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#define DFU_ALT_BUF_LEN SZ_1K
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static void board_get_alt_info_mmc(struct udevice *dev, char *buf)
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{
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struct disk_partition info;
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int p, len, devnum;
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bool first = true;
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const char *name;
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struct mmc *mmc;
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struct blk_desc *desc;
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mmc = mmc_get_mmc_dev(dev);
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if (!mmc)
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return;
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if (mmc_init(mmc))
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return;
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desc = mmc_get_blk_desc(mmc);
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if (!desc)
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return;
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name = blk_get_uclass_name(desc->uclass_id);
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devnum = desc->devnum;
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len = strlen(buf);
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if (buf[0] != '\0')
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len += snprintf(buf + len,
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DFU_ALT_BUF_LEN - len, "&");
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"%s %d=", name, devnum);
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if (IS_MMC(mmc) && mmc->capacity_boot) {
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"%s%d_boot1 raw 0x0 0x%llx mmcpart 1;",
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name, devnum, mmc->capacity_boot);
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"%s%d_boot2 raw 0x0 0x%llx mmcpart 2",
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name, devnum, mmc->capacity_boot);
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first = false;
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}
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for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
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if (part_get_info(desc, p, &info))
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continue;
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if (!first)
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";");
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first = false;
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"%s%d_%s part %d %d",
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name, devnum, info.name, devnum, p);
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}
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}
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static void board_get_alt_info_mtd(struct mtd_info *mtd, char *buf)
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{
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struct mtd_info *part;
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const char *name;
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int len, partnum = 0;
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name = mtd->name;
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len = strlen(buf);
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if (buf[0] != '\0')
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, "&");
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"mtd %s=", name);
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"%s raw 0x0 0x%llx",
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name, mtd->size);
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list_for_each_entry(part, &mtd->partitions, node) {
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partnum++;
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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";%s_%s part %d",
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name, part->name, partnum);
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}
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}
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void set_dfu_alt_info(char *interface, char *devstr)
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{
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struct udevice *dev;
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struct mtd_info *mtd;
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ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
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if (env_get("dfu_alt_info"))
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return;
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memset(buf, 0, sizeof(buf));
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snprintf(buf, DFU_ALT_BUF_LEN,
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"ram 0=%s", CONFIG_DFU_ALT_RAM0);
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if (CONFIG_IS_ENABLED(MMC)) {
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if (!uclass_get_device(UCLASS_MMC, 0, &dev))
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board_get_alt_info_mmc(dev, buf);
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if (!uclass_get_device(UCLASS_MMC, 1, &dev))
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board_get_alt_info_mmc(dev, buf);
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}
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if (IS_ENABLED(CONFIG_MTD)) {
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/* probe all MTD devices */
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mtd_probe_devices();
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mtd_for_each_device(mtd)
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if (!mtd_is_partition(mtd))
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board_get_alt_info_mtd(mtd, buf);
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}
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if (IS_ENABLED(CONFIG_DFU_VIRT)) {
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/* virtual device id 0 is aligned with stm32mp_dfu_virt.c */
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strlcat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
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if (IS_ENABLED(CONFIG_PMIC_STPMIC1))
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strlcat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN);
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}
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env_set("dfu_alt_info", buf);
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puts("DFU alt info setting: done\n");
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}
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