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https://github.com/AsahiLinux/u-boot
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stm32mp: stm32prog: add MMC device
Add support of MMC device (based on DFU_MMC backend) for SD card and eMMC update. Create a GPT partitioning on the device. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
parent
6ee6839183
commit
aff4c5dd82
5 changed files with 209 additions and 5 deletions
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@ -112,6 +112,9 @@ config CMD_STM32PROG
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select DFU
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select DFU_RAM
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select DFU_VIRT
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select PARTITION_TYPE_GUID
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imply CMD_GPT if MMC
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imply DFU_MMC if MMC
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help
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activate a specific command stm32prog for STM32MP soc family
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witch update the device with the tools STM32CubeProgrammer,
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@ -7,6 +7,7 @@
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#include <console.h>
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#include <dfu.h>
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#include <malloc.h>
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#include <mmc.h>
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#include <dm/uclass.h>
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#include <linux/list.h>
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#include <linux/list_sort.h>
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@ -14,6 +15,9 @@
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#include "stm32prog.h"
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/* Primary GPT header size for 128 entries : 17kB = 34 LBA of 512B */
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#define GPT_HEADER_SZ 34
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#define OPT_SELECT BIT(0)
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#define OPT_EMPTY BIT(1)
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@ -22,6 +26,32 @@
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#define ALT_BUF_LEN SZ_1K
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#define ROOTFS_MMC0_UUID \
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EFI_GUID(0xE91C4E10, 0x16E6, 0x4C0E, \
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0xBD, 0x0E, 0x77, 0xBE, 0xCF, 0x4A, 0x35, 0x82)
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#define ROOTFS_MMC1_UUID \
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EFI_GUID(0x491F6117, 0x415D, 0x4F53, \
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0x88, 0xC9, 0x6E, 0x0D, 0xE5, 0x4D, 0xEA, 0xC6)
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#define ROOTFS_MMC2_UUID \
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EFI_GUID(0xFD58F1C7, 0xBE0D, 0x4338, \
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0x88, 0xE9, 0xAD, 0x8F, 0x05, 0x0A, 0xEB, 0x18)
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/* RAW parttion (binary / bootloader) used Linux - reserved UUID */
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#define LINUX_RESERVED_UUID "8DA63339-0007-60C0-C436-083AC8230908"
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/*
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* unique partition guid (uuid) for partition named "rootfs"
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* on each MMC instance = SD Card or eMMC
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* allow fixed kernel bootcmd: "rootf=PARTUID=e91c4e10-..."
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*/
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static const efi_guid_t uuid_mmc[3] = {
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ROOTFS_MMC0_UUID,
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ROOTFS_MMC1_UUID,
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ROOTFS_MMC2_UUID
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};
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DECLARE_GLOBAL_DATA_PTR;
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/* order of column in flash layout file */
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@ -200,6 +230,9 @@ static int parse_ip(struct stm32prog_data *data,
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part->dev_id = 0;
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if (!strcmp(p, "none")) {
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part->target = STM32PROG_NONE;
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} else if (!strncmp(p, "mmc", 3)) {
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part->target = STM32PROG_MMC;
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len = 3;
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} else {
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result = -EINVAL;
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}
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@ -424,16 +457,50 @@ static int __init part_cmp(void *priv, struct list_head *a, struct list_head *b)
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static int init_device(struct stm32prog_data *data,
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struct stm32prog_dev_t *dev)
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{
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struct mmc *mmc = NULL;
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struct blk_desc *block_dev = NULL;
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int part_id;
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u64 first_addr = 0, last_addr = 0;
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struct stm32prog_part_t *part, *next_part;
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switch (dev->target) {
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#ifdef CONFIG_MMC
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case STM32PROG_MMC:
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mmc = find_mmc_device(dev->dev_id);
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if (mmc_init(mmc)) {
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stm32prog_err("mmc device %d not found", dev->dev_id);
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return -ENODEV;
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}
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block_dev = mmc_get_blk_desc(mmc);
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if (!block_dev) {
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stm32prog_err("mmc device %d not probed", dev->dev_id);
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return -ENODEV;
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}
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dev->erase_size = mmc->erase_grp_size * block_dev->blksz;
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dev->mmc = mmc;
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/* reserve a full erase group for each GTP headers */
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if (mmc->erase_grp_size > GPT_HEADER_SZ) {
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first_addr = dev->erase_size;
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last_addr = (u64)(block_dev->lba -
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mmc->erase_grp_size) *
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block_dev->blksz;
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} else {
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first_addr = (u64)GPT_HEADER_SZ * block_dev->blksz;
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last_addr = (u64)(block_dev->lba - GPT_HEADER_SZ - 1) *
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block_dev->blksz;
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}
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pr_debug("MMC %d: lba=%ld blksz=%ld\n", dev->dev_id,
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block_dev->lba, block_dev->blksz);
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pr_debug(" available address = 0x%llx..0x%llx\n",
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first_addr, last_addr);
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break;
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#endif
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default:
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stm32prog_err("unknown device type = %d", dev->target);
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return -ENODEV;
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}
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pr_debug(" erase size = 0x%x\n", dev->erase_size);
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/* order partition list in offset order */
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list_sort(NULL, &dev->part_list, &part_cmp);
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@ -491,6 +558,12 @@ static int init_device(struct stm32prog_data *data,
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return -EINVAL;
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}
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if ((part->addr & ((u64)part->dev->erase_size - 1)) != 0) {
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stm32prog_err("%s (0x%x): not aligned address : 0x%llx on erase size 0x%x",
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part->name, part->id, part->addr,
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part->dev->erase_size);
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return -EINVAL;
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}
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pr_debug("%02d : %1d %02x %14s %02d %02d.%02d %08llx %08llx",
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part->part_id, part->option, part->id, part->name,
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part->part_type, part->target,
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@ -559,6 +632,118 @@ static int treat_partition_list(struct stm32prog_data *data)
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return 0;
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}
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static int create_partitions(struct stm32prog_data *data)
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{
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#ifdef CONFIG_MMC
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int offset = 0;
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const int buflen = SZ_8K;
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char *buf;
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char uuid[UUID_STR_LEN + 1];
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unsigned char *uuid_bin;
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unsigned int mmc_id;
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int i;
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bool rootfs_found;
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struct stm32prog_part_t *part;
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buf = malloc(buflen);
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if (!buf)
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return -ENOMEM;
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puts("partitions : ");
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/* initialize the selected device */
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for (i = 0; i < data->dev_nb; i++) {
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offset = 0;
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rootfs_found = false;
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memset(buf, 0, buflen);
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list_for_each_entry(part, &data->dev[i].part_list, list) {
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/* skip Raw Image */
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if (part->part_type == RAW_IMAGE)
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continue;
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if (offset + 100 > buflen) {
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pr_debug("\n%s: buffer too small, %s skippped",
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__func__, part->name);
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continue;
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}
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if (!offset)
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offset += sprintf(buf, "gpt write mmc %d \"",
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data->dev[i].dev_id);
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offset += snprintf(buf + offset, buflen - offset,
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"name=%s,start=0x%llx,size=0x%llx",
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part->name,
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part->addr,
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part->size);
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if (part->part_type == PART_BINARY)
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offset += snprintf(buf + offset,
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buflen - offset,
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",type="
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LINUX_RESERVED_UUID);
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else
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offset += snprintf(buf + offset,
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buflen - offset,
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",type=linux");
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if (part->part_type == PART_SYSTEM)
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offset += snprintf(buf + offset,
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buflen - offset,
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",bootable");
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if (!rootfs_found && !strcmp(part->name, "rootfs")) {
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mmc_id = part->dev_id;
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rootfs_found = true;
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if (mmc_id < ARRAY_SIZE(uuid_mmc)) {
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uuid_bin =
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(unsigned char *)uuid_mmc[mmc_id].b;
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uuid_bin_to_str(uuid_bin, uuid,
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UUID_STR_FORMAT_GUID);
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offset += snprintf(buf + offset,
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buflen - offset,
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",uuid=%s", uuid);
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}
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}
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offset += snprintf(buf + offset, buflen - offset, ";");
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}
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if (offset) {
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offset += snprintf(buf + offset, buflen - offset, "\"");
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pr_debug("\ncmd: %s\n", buf);
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if (run_command(buf, 0)) {
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stm32prog_err("GPT partitionning fail: %s",
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buf);
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free(buf);
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return -1;
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}
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}
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if (data->dev[i].mmc)
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part_init(mmc_get_blk_desc(data->dev[i].mmc));
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#ifdef DEBUG
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sprintf(buf, "gpt verify mmc %d", data->dev[i].dev_id);
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pr_debug("\ncmd: %s", buf);
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if (run_command(buf, 0))
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printf("fail !\n");
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else
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printf("OK\n");
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sprintf(buf, "part list mmc %d", data->dev[i].dev_id);
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run_command(buf, 0);
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#endif
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}
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puts("done\n");
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free(buf);
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#endif
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return 0;
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}
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static int stm32prog_alt_add(struct stm32prog_data *data,
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struct dfu_entity *dfu,
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struct stm32prog_part_t *part)
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if (part->part_type == RAW_IMAGE) {
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u64 dfu_size;
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dfu_size = part->size;
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if (part->dev->target == STM32PROG_MMC)
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dfu_size = part->size / part->dev->mmc->read_bl_len;
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else
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dfu_size = part->size;
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offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
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"raw 0x0 0x%llx", dfu_size);
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} else {
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offset += snprintf(buf + offset,
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ALT_BUF_LEN - offset,
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"part");
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/* dev_id requested by DFU MMC */
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if (part->target == STM32PROG_MMC)
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offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
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" %d", part->dev_id);
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offset += snprintf(buf + offset, ALT_BUF_LEN - offset,
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" %d;", part->part_id);
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}
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switch (part->target) {
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#ifdef CONFIG_MMC
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case STM32PROG_MMC:
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sprintf(dfustr, "mmc");
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sprintf(devstr, "%d", part->dev_id);
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break;
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#endif
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default:
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stm32prog_err("invalid target: %d", part->target);
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return -ENODEV;
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@ -775,6 +973,10 @@ static void stm32prog_devices_init(struct stm32prog_data *data)
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goto error;
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}
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ret = create_partitions(data);
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if (ret)
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goto error;
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return;
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error:
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@ -19,6 +19,7 @@
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enum stm32prog_target {
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STM32PROG_NONE,
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STM32PROG_MMC,
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};
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enum stm32prog_link_t {
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@ -64,6 +65,8 @@ enum stm32prog_part_type {
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struct stm32prog_dev_t {
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enum stm32prog_target target;
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char dev_id;
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u32 erase_size;
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struct mmc *mmc;
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/* list of partition for this device / ordered in offset */
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struct list_head part_list;
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};
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@ -34,7 +34,6 @@ CONFIG_CMD_CLK=y
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CONFIG_CMD_DFU=y
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CONFIG_CMD_FUSE=y
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CONFIG_CMD_GPIO=y
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CONFIG_CMD_GPT=y
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CONFIG_CMD_I2C=y
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CONFIG_CMD_MMC=y
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CONFIG_CMD_MTD=y
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@ -67,7 +66,6 @@ CONFIG_ENV_UBI_VOLUME="uboot_config"
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CONFIG_ENV_UBI_VOLUME_REDUND="uboot_config_r"
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CONFIG_SYS_RELOC_GD_ENV_ADDR=y
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CONFIG_STM32_ADC=y
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CONFIG_DFU_MMC=y
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CONFIG_DFU_MTD=y
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CONFIG_SET_DFU_ALT_INFO=y
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CONFIG_USB_FUNCTION_FASTBOOT=y
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@ -23,7 +23,6 @@ CONFIG_CMD_CLK=y
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CONFIG_CMD_DFU=y
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CONFIG_CMD_FUSE=y
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CONFIG_CMD_GPIO=y
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CONFIG_CMD_GPT=y
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CONFIG_CMD_I2C=y
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CONFIG_CMD_MMC=y
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CONFIG_CMD_MTD=y
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@ -54,7 +53,6 @@ CONFIG_ENV_UBI_VOLUME="uboot_config"
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CONFIG_ENV_UBI_VOLUME_REDUND="uboot_config_r"
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CONFIG_SYS_RELOC_GD_ENV_ADDR=y
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CONFIG_STM32_ADC=y
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CONFIG_DFU_MMC=y
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CONFIG_DFU_MTD=y
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CONFIG_SET_DFU_ALT_INFO=y
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CONFIG_USB_FUNCTION_FASTBOOT=y
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