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 ---
board/dhelectronics/dh_stm32mp1/Kconfig | 1 + board/st/common/Kconfig | 7 ++ board/st/common/stm32mp_dfu.c | 130 +++++++++++++++++++----- include/configs/stm32mp1.h | 33 ------ 4 files changed, 110 insertions(+), 61 deletions(-)
diff --git a/board/dhelectronics/dh_stm32mp1/Kconfig b/board/dhelectronics/dh_stm32mp1/Kconfig index 8eab986640..69cc48f120 100644 --- a/board/dhelectronics/dh_stm32mp1/Kconfig +++ b/board/dhelectronics/dh_stm32mp1/Kconfig @@ -18,4 +18,5 @@ config ENV_OFFSET config ENV_OFFSET_REDUND default 0x1F0000 if ENV_IS_IN_SPI_FLASH
+source "board/st/common/Kconfig" endif diff --git a/board/st/common/Kconfig b/board/st/common/Kconfig index af01ca4891..08df845982 100644 --- a/board/st/common/Kconfig +++ b/board/st/common/Kconfig @@ -5,3 +5,10 @@ config CMD_STBOARD help This compile the stboard command to read and write the board in the OTP. + +config DFU_ALT_RAM0 + string "dfu for ram0" + default "uImage ram 0xc2000000 0x2000000;devicetree.dtb ram 0xc4000000 0x100000;uramdisk.image.gz ram 0xc4400000 0x10000000" + depends on ARCH_STM32MP && SET_DFU_ALT_INFO + help + This defines the partitions of ram used to build dfu dynamically. diff --git a/board/st/common/stm32mp_dfu.c b/board/st/common/stm32mp_dfu.c index 99ea21ce15..e129f8c8b5 100644 --- a/board/st/common/stm32mp_dfu.c +++ b/board/st/common/stm32mp_dfu.c @@ -4,6 +4,7 @@ */
#include <common.h> +#include <blk.h> #include <dfu.h> #include <env.h> #include <memalign.h> @@ -13,20 +14,86 @@
#define DFU_ALT_BUF_LEN SZ_1K
-static void board_get_alt_info(const char *dev, char *buff) +static void board_get_alt_info_mmc(struct udevice *dev, char *buf) { - char var_name[32] = "dfu_alt_info_"; - int ret; + disk_partition_t info; + int p, len, devnum; + bool first = true; + const char *name; + struct mmc *mmc; + struct blk_desc *desc; + + mmc = mmc_get_mmc_dev(dev); + if (!mmc) + return; + + if (mmc_init(mmc)) + return; + + desc = mmc_get_blk_desc(mmc); + if (!desc) + return; + + name = blk_get_if_type_name(desc->if_type); + devnum = desc->devnum; + len = strlen(buf); + + if (buf[0] != '\0') + len += snprintf(buf + len, + DFU_ALT_BUF_LEN - len, "&"); + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "%s %d=", name, devnum); + + if (IS_MMC(mmc) && mmc->capacity_boot) { + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "%s%d_boot1 raw 0x0 0x%llx mmcpart 1;", + name, devnum, mmc->capacity_boot); + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "%s%d_boot2 raw 0x0 0x%llx mmcpart 2", + name, devnum, mmc->capacity_boot); + first = false; + }
- ALLOC_CACHE_ALIGN_BUFFER(char, tmp_alt, DFU_ALT_BUF_LEN); + for (p = 1; p < MAX_SEARCH_PARTITIONS; p++) { + if (part_get_info(desc, p, &info)) + continue; + if (!first) + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";"); + first = false; + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "%s%d_%s part %d %d", + name, devnum, info.name, devnum, p); + } +}
- /* name of env variable to read = dfu_alt_info_<dev> */ - strcat(var_name, dev); - ret = env_get_f(var_name, tmp_alt, DFU_ALT_BUF_LEN); - if (ret) { - if (buff[0] != '\0') - strcat(buff, "&"); - strncat(buff, tmp_alt, DFU_ALT_BUF_LEN); +static void board_get_alt_info_mtd(struct mtd_info *mtd, char *buf) +{ + struct mtd_info *part; + bool first = true; + const char *name; + int len, partnum = 0; + + name = mtd->name; + len = strlen(buf); + + if (buf[0] != '\0') + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, "&"); + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "mtd %s=", name); + + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "%s raw 0x0 0x%llx ", + name, mtd->size); + + list_for_each_entry(part, &mtd->partitions, node) { + partnum++; + if (!first) + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";"); + first = false; + + len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, + "%s_%s part %d", + name, part->name, partnum); } }
@@ -42,27 +109,34 @@ void set_dfu_alt_info(char *interface, char *devstr)
memset(buf, 0, sizeof(buf));
- /* probe all MTD devices */ - mtd_probe_devices(); - - board_get_alt_info("ram", buf); + snprintf(buf, DFU_ALT_BUF_LEN, + "ram 0=%s", CONFIG_DFU_ALT_RAM0);
if (!uclass_get_device(UCLASS_MMC, 0, &dev)) - board_get_alt_info("mmc0", buf); + board_get_alt_info_mmc(dev, buf);
if (!uclass_get_device(UCLASS_MMC, 1, &dev)) - board_get_alt_info("mmc1", buf); - - if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev)) - board_get_alt_info("nor0", buf); - - mtd = get_mtd_device_nm("nand0"); - if (!IS_ERR_OR_NULL(mtd)) - board_get_alt_info("nand0", buf); - - mtd = get_mtd_device_nm("spi-nand0"); - if (!IS_ERR_OR_NULL(mtd)) - board_get_alt_info("spi-nand0", buf); + board_get_alt_info_mmc(dev, buf); + + if (CONFIG_IS_ENABLED(MTD)) { + /* probe all MTD devices */ + mtd_probe_devices(); + + /* probe SPI flash device on a bus */ + if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev)) { + mtd = get_mtd_device_nm("nor0"); + if (!IS_ERR_OR_NULL(mtd)) + board_get_alt_info_mtd(mtd, buf); + } + + mtd = get_mtd_device_nm("nand0"); + if (!IS_ERR_OR_NULL(mtd)) + board_get_alt_info_mtd(mtd, buf); + + mtd = get_mtd_device_nm("spi-nand0"); + if (!IS_ERR_OR_NULL(mtd)) + board_get_alt_info_mtd(mtd, buf); + }
#ifdef CONFIG_DFU_VIRT strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN); diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h index f451edad36..a9631d2a92 100644 --- a/include/configs/stm32mp1.h +++ b/include/configs/stm32mp1.h @@ -170,37 +170,6 @@ #define STM32MP_MTDPARTS #endif
-#define STM32MP_DFU_ALT_RAM \ - "dfu_alt_info_ram=ram 0=" \ - "uImage ram ${kernel_addr_r} 0x2000000;" \ - "devicetree.dtb ram ${fdt_addr_r} 0x100000;" \ - "uramdisk.image.gz ram ${ramdisk_addr_r} 0x10000000\0" - -#ifdef CONFIG_SET_DFU_ALT_INFO -#define STM32MP_DFU_ALT_INFO \ - "dfu_alt_info_nor0=mtd nor0=" \ - "nor_fsbl1 part 1;nor_fsbl2 part 2;" \ - "nor_ssbl part 3;nor_env part 4\0" \ - "dfu_alt_info_nand0=mtd nand0="\ - "nand_fsbl part 1;nand_ssbl1 part 2;" \ - "nand_ssbl2 part 3;nand_UBI partubi 4\0" \ - "dfu_alt_info_spi-nand0=mtd spi-nand0="\ - "spi-nand_fsbl part 1;spi-nand_ssbl1 part 2;" \ - "spi-nand_ssbl2 part 3;spi-nand_UBI partubi 4\0" \ - "dfu_alt_info_mmc0=mmc 0=" \ - "sdcard_fsbl1 part 0 1;sdcard_fsbl2 part 0 2;" \ - "sdcard_ssbl part 0 3;sdcard_bootfs part 0 4;" \ - "sdcard_vendorfs part 0 5;sdcard_rootfs part 0 6;" \ - "sdcard_userfs part 0 7\0" \ - "dfu_alt_info_mmc1=mmc 1=" \ - "emmc_fsbl1 raw 0x0 0x200 mmcpart 1;" \ - "emmc_fsbl2 raw 0x0 0x200 mmcpart 2;emmc_ssbl part 1 1;" \ - "emmc_bootfs part 1 2;emmc_vendorfs part 1 3;" \ - "emmc_rootfs part 1 4;emmc_userfs part 1 5\0" -#else -#define STM32MP_DFU_ALT_INFO -#endif - /* * memory layout for 32M uncompressed/compressed kernel, * 1M fdt, 1M script, 1M pxe and 1M for splashimage @@ -220,8 +189,6 @@ " then env set env_default 0;env save;fi\0" \ STM32MP_BOOTCMD \ STM32MP_MTDPARTS \ - STM32MP_DFU_ALT_RAM \ - STM32MP_DFU_ALT_INFO \ BOOTENV \ "boot_net_usb_start=true\0"