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https://github.com/AsahiLinux/u-boot
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stm32mp1: dynamically build DFU_ALT_INFO
This patch reduces the stm32mp1 environment size and builds dynamically the DFU board configuration with gpt and mtd partitions and information from defconfig (CONFIG_DFU_ALT_RAM0). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay
parent
ec2933e543
commit
31325e1b8b
4 changed files with 107 additions and 58 deletions
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@ -18,4 +18,5 @@ config ENV_OFFSET
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config ENV_OFFSET_REDUND
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default 0x1F0000 if ENV_IS_IN_SPI_FLASH
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source "board/st/common/Kconfig"
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endif
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@ -5,3 +5,10 @@ config CMD_STBOARD
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help
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This compile the stboard command to
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read and write the board in the OTP.
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config DFU_ALT_RAM0
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string "dfu for ram0"
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default "uImage ram 0xc2000000 0x2000000;devicetree.dtb ram 0xc4000000 0x100000;uramdisk.image.gz ram 0xc4400000 0x10000000"
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depends on ARCH_STM32MP && SET_DFU_ALT_INFO
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help
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This defines the partitions of ram used to build dfu dynamically.
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@ -4,6 +4,7 @@
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*/
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#include <common.h>
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#include <blk.h>
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#include <dfu.h>
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#include <env.h>
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#include <memalign.h>
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@ -13,20 +14,86 @@
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#define DFU_ALT_BUF_LEN SZ_1K
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static void board_get_alt_info(const char *dev, char *buff)
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static void board_get_alt_info_mmc(struct udevice *dev, char *buf)
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{
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char var_name[32] = "dfu_alt_info_";
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int ret;
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disk_partition_t 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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ALLOC_CACHE_ALIGN_BUFFER(char, tmp_alt, DFU_ALT_BUF_LEN);
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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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/* name of env variable to read = dfu_alt_info_<dev> */
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strcat(var_name, dev);
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ret = env_get_f(var_name, tmp_alt, DFU_ALT_BUF_LEN);
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if (ret) {
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if (buff[0] != '\0')
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strcat(buff, "&");
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strncat(buff, tmp_alt, DFU_ALT_BUF_LEN);
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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_if_type_name(desc->if_type);
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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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bool first = true;
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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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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_%s part %d",
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name, part->name, partnum);
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}
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}
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@ -42,27 +109,34 @@ void set_dfu_alt_info(char *interface, char *devstr)
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memset(buf, 0, sizeof(buf));
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/* probe all MTD devices */
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mtd_probe_devices();
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board_get_alt_info("ram", 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 (!uclass_get_device(UCLASS_MMC, 0, &dev))
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board_get_alt_info("mmc0", buf);
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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("mmc1", buf);
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board_get_alt_info_mmc(dev, buf);
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if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
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board_get_alt_info("nor0", buf);
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if (CONFIG_IS_ENABLED(MTD)) {
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/* probe all MTD devices */
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mtd_probe_devices();
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mtd = get_mtd_device_nm("nand0");
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if (!IS_ERR_OR_NULL(mtd))
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board_get_alt_info("nand0", buf);
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/* probe SPI flash device on a bus */
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if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev)) {
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mtd = get_mtd_device_nm("nor0");
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if (!IS_ERR_OR_NULL(mtd))
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board_get_alt_info_mtd(mtd, buf);
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}
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mtd = get_mtd_device_nm("spi-nand0");
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if (!IS_ERR_OR_NULL(mtd))
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board_get_alt_info("spi-nand0", buf);
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mtd = get_mtd_device_nm("nand0");
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if (!IS_ERR_OR_NULL(mtd))
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board_get_alt_info_mtd(mtd, buf);
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mtd = get_mtd_device_nm("spi-nand0");
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if (!IS_ERR_OR_NULL(mtd))
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board_get_alt_info_mtd(mtd, buf);
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}
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#ifdef CONFIG_DFU_VIRT
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strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
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@ -165,37 +165,6 @@
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#define STM32MP_MTDPARTS
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#endif
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#define STM32MP_DFU_ALT_RAM \
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"dfu_alt_info_ram=ram 0=" \
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"uImage ram ${kernel_addr_r} 0x2000000;" \
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"devicetree.dtb ram ${fdt_addr_r} 0x100000;" \
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"uramdisk.image.gz ram ${ramdisk_addr_r} 0x10000000\0"
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#ifdef CONFIG_SET_DFU_ALT_INFO
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#define STM32MP_DFU_ALT_INFO \
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"dfu_alt_info_nor0=mtd nor0=" \
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"nor_fsbl1 part 1;nor_fsbl2 part 2;" \
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"nor_ssbl part 3;nor_env part 4\0" \
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"dfu_alt_info_nand0=mtd nand0="\
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"nand_fsbl part 1;nand_ssbl1 part 2;" \
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"nand_ssbl2 part 3;nand_UBI partubi 4\0" \
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"dfu_alt_info_spi-nand0=mtd spi-nand0="\
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"spi-nand_fsbl part 1;spi-nand_ssbl1 part 2;" \
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"spi-nand_ssbl2 part 3;spi-nand_UBI partubi 4\0" \
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"dfu_alt_info_mmc0=mmc 0=" \
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"sdcard_fsbl1 part 0 1;sdcard_fsbl2 part 0 2;" \
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"sdcard_ssbl part 0 3;sdcard_bootfs part 0 4;" \
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"sdcard_vendorfs part 0 5;sdcard_rootfs part 0 6;" \
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"sdcard_userfs part 0 7\0" \
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"dfu_alt_info_mmc1=mmc 1=" \
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"emmc_fsbl1 raw 0x0 0x200 mmcpart 1;" \
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"emmc_fsbl2 raw 0x0 0x200 mmcpart 2;emmc_ssbl part 1 1;" \
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"emmc_bootfs part 1 2;emmc_vendorfs part 1 3;" \
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"emmc_rootfs part 1 4;emmc_userfs part 1 5\0"
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#else
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#define STM32MP_DFU_ALT_INFO
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#endif
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/*
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* memory layout for 32M uncompressed/compressed kernel,
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* 1M fdt, 1M script, 1M pxe and 1M for splashimage
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@ -215,8 +184,6 @@
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" then env set env_default 0;env save;fi\0" \
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STM32MP_BOOTCMD \
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STM32MP_MTDPARTS \
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STM32MP_DFU_ALT_RAM \
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STM32MP_DFU_ALT_INFO \
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BOOTENV \
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"boot_net_usb_start=true\0"
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