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https://github.com/AsahiLinux/u-boot
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Merge branch '2021-10-26-add-nand-biterr-and-bugfixes'
- Add biterr sub-command to "nand" - scmi, rsa, uuid bugfixes, re-sort DFU menu in Kconfig and remove superfluous checks before free in env.
This commit is contained in:
commit
c9661d0fee
7 changed files with 144 additions and 18 deletions
127
cmd/nand.c
127
cmd/nand.c
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@ -17,6 +17,10 @@
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* and/or modified under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* The function nand_biterror() in this file is inspired from
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* mtd-utils/nand-utils/nandflipbits.c which was released under GPLv2
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* only
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*/
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#include <common.h>
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@ -44,6 +48,116 @@ int find_dev_and_part(const char *id, struct mtd_device **dev,
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u8 *part_num, struct part_info **part);
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#endif
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#define MAX_NUM_PAGES 64
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static int nand_biterror(struct mtd_info *mtd, ulong off, int bit)
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{
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int ret = 0;
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int page = 0;
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ulong block_off;
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u_char *datbuf[MAX_NUM_PAGES]; /* Data and OOB */
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u_char data;
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int pages_per_blk = mtd->erasesize / mtd->writesize;
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struct erase_info einfo;
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if (pages_per_blk > MAX_NUM_PAGES) {
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printf("Too many pages in one erase block\n");
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return 1;
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}
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if (bit < 0 || bit > 7) {
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printf("bit position 0 to 7 is allowed\n");
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return 1;
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}
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/* Allocate memory */
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memset(datbuf, 0, sizeof(datbuf));
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for (page = 0; page < pages_per_blk ; page++) {
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datbuf[page] = malloc(mtd->writesize + mtd->oobsize);
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if (!datbuf[page]) {
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printf("No memory for page buffer\n");
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ret = -ENOMEM;
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goto free_memory;
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}
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}
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/* Align to erase block boundary */
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block_off = off & (~(mtd->erasesize - 1));
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/* Read out memory as first step */
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for (page = 0; page < pages_per_blk ; page++) {
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struct mtd_oob_ops ops;
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loff_t addr = (loff_t)block_off;
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memset(&ops, 0, sizeof(ops));
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ops.datbuf = datbuf[page];
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ops.oobbuf = datbuf[page] + mtd->writesize;
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ops.len = mtd->writesize;
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ops.ooblen = mtd->oobsize;
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ops.mode = MTD_OPS_RAW;
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ret = mtd_read_oob(mtd, addr, &ops);
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if (ret < 0) {
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printf("Error (%d) reading page %08lx\n",
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ret, block_off);
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ret = 1;
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goto free_memory;
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}
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block_off += mtd->writesize;
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}
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/* Erase the block */
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memset(&einfo, 0, sizeof(einfo));
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einfo.mtd = mtd;
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/* Align to erase block boundary */
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einfo.addr = (loff_t)(off & (~(mtd->erasesize - 1)));
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einfo.len = mtd->erasesize;
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ret = mtd_erase(mtd, &einfo);
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if (ret < 0) {
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printf("Error (%d) nand_erase_nand page %08llx\n",
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ret, einfo.addr);
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ret = 1;
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goto free_memory;
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}
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/* Twist a bit in data part */
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block_off = off & (mtd->erasesize - 1);
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data = datbuf[block_off / mtd->writesize][block_off % mtd->writesize];
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data ^= (1 << bit);
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datbuf[block_off / mtd->writesize][block_off % mtd->writesize] = data;
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printf("Flip data at 0x%lx with xor 0x%02x (bit=%d) to value=0x%02x\n",
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off, (1 << bit), bit, data);
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/* Write back twisted data and unmodified OOB */
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/* Align to erase block boundary */
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block_off = off & (~(mtd->erasesize - 1));
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for (page = 0; page < pages_per_blk; page++) {
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struct mtd_oob_ops ops;
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loff_t addr = (loff_t)block_off;
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memset(&ops, 0, sizeof(ops));
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ops.datbuf = datbuf[page];
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ops.oobbuf = datbuf[page] + mtd->writesize;
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ops.len = mtd->writesize;
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ops.ooblen = mtd->oobsize;
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ops.mode = MTD_OPS_RAW;
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ret = mtd_write_oob(mtd, addr, &ops);
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if (ret < 0) {
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printf("Error (%d) write page %08lx\n", ret, block_off);
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ret = 1;
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goto free_memory;
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}
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block_off += mtd->writesize;
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}
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free_memory:
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for (page = 0; page < pages_per_blk ; page++) {
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if (datbuf[page])
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free(datbuf[page]);
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}
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return ret;
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}
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static int nand_dump(struct mtd_info *mtd, ulong off, int only_oob,
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int repeat)
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{
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@ -733,8 +847,15 @@ static int do_nand(struct cmd_tbl *cmdtp, int flag, int argc,
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}
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if (strcmp(cmd, "biterr") == 0) {
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/* todo */
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return 1;
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int bit;
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if (argc != 4)
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goto usage;
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off = (int)simple_strtoul(argv[2], NULL, 16);
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bit = (int)simple_strtoul(argv[3], NULL, 10);
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ret = nand_biterror(mtd, off, bit);
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return ret;
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}
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#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
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@ -825,7 +946,7 @@ static char nand_help_text[] =
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"nand scrub [-y] off size | scrub.part partition | scrub.chip\n"
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" really clean NAND erasing bad blocks (UNSAFE)\n"
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"nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
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"nand biterr off - make a bit error at offset (UNSAFE)"
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"nand biterr off bit - make a bit error at offset and bit position (UNSAFE)"
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#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
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"\n"
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"nand lock [tight] [status]\n"
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@ -175,6 +175,13 @@ config SPL_FIT_SIGNATURE_MAX_SIZE
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device memory. Assure this size does not extend past expected storage
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space.
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config SPL_FIT_RSASSA_PSS
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bool "Support rsassa-pss signature scheme of FIT image contents in SPL"
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depends on SPL_FIT_SIGNATURE
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help
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Enable this to support the pss padding algorithm as described
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in the rfc8017 (https://tools.ietf.org/html/rfc8017) in SPL.
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config SPL_LOAD_FIT
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bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
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select SPL_FIT
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@ -38,6 +38,13 @@ config DFU_MMC
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help
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This option enables using DFU to read and write to MMC based storage.
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config DFU_MTD
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bool "MTD back end for DFU"
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depends on DM_MTD
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depends on CMD_MTDPARTS
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help
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This option enables using DFU to read and write to on any MTD device.
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config DFU_NAND
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bool "NAND back end for DFU"
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depends on CMD_MTDPARTS
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@ -72,13 +79,6 @@ config DFU_SF_PART
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This option enables the support of "part" and "partubi" target in
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SPI flash DFU back end.
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config DFU_MTD
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bool "MTD back end for DFU"
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depends on DM_MTD
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depends on CMD_MTDPARTS
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help
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This option enables using DFU to read and write to on any MTD device.
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config DFU_VIRT
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bool "VIRTUAL flash back end for DFU"
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help
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6
env/flash.c
vendored
6
env/flash.c
vendored
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@ -210,8 +210,7 @@ static int env_flash_save(void)
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perror:
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flash_perror(rc);
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done:
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if (saved_data)
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free(saved_data);
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free(saved_data);
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/* try to re-protect */
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flash_sect_protect(1, (ulong)flash_addr, end_addr);
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flash_sect_protect(1, (ulong)flash_addr_new, end_addr_new);
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perror:
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flash_perror(rc);
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done:
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if (saved_data)
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free(saved_data);
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free(saved_data);
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/* try to re-protect */
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flash_sect_protect(1, (long)flash_addr, end_addr);
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return rc;
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@ -97,14 +97,14 @@ struct scmi_clk_rate_get_out {
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/**
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* struct scmi_clk_state_in - Message payload for CLOCK_RATE_SET command
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* @clock_id: SCMI clock ID
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* @flags: Flags for the clock rate set request
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* @clock_id: SCMI clock ID
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* @rate_lsb: 32bit LSB of the clock rate in Hertz
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* @rate_msb: 32bit MSB of the clock rate in Hertz
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*/
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struct scmi_clk_rate_set_in {
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u32 clock_id;
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u32 flags;
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u32 clock_id;
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u32 rate_lsb;
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u32 rate_msb;
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};
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@ -340,7 +340,7 @@ static int rsa_verify_key(struct image_sign_info *info,
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struct padding_algo *padding = info->padding;
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int hash_len;
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if (!prop || !sig || !hash || !checksum)
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if (!prop || !sig || !hash || !checksum || !padding)
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return -EIO;
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if (sig_len != (prop->num_bits / 8)) {
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@ -257,7 +257,7 @@ void gen_rand_uuid(unsigned char *uuid_bin)
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if (IS_ENABLED(CONFIG_DM_RNG)) {
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ret = uclass_get_device(UCLASS_RNG, 0, &devp);
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if (ret) {
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if (!ret) {
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ret = dm_rng_read(devp, &randv, sizeof(randv));
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if (ret < 0)
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randv = 0;
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