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- From e60939acbebd07161f3978d1c6f13123fdd2ebf2 Mon Sep 17 00:00:00 2001
- From: Weijie Gao <[email protected]>
- Date: Mon, 25 Jul 2022 11:27:02 +0800
- Subject: [PATCH 50/71] cmd: sf: add support to read flash unique ID
- This patch adds support to display unique ID from spi-nor flashes
- Signed-off-by: Weijie Gao <[email protected]>
- ---
- cmd/sf.c | 13 ++++++++++++-
- 1 file changed, 12 insertions(+), 1 deletion(-)
- --- a/cmd/sf.c
- +++ b/cmd/sf.c
- @@ -412,6 +412,14 @@ static int do_spi_protect(int argc, char
- return ret == 0 ? 0 : 1;
- }
-
- +static int do_spi_flash_read_uuid(void)
- +{
- + int ret = 0;
- + ret = flash->read_uuid(flash);
- +
- + return ret == 0 ? 0 : 1;
- +}
- +
- enum {
- STAGE_ERASE,
- STAGE_CHECK,
- @@ -606,6 +614,8 @@ static int do_spi_flash(struct cmd_tbl *
- ret = do_spi_flash_erase(argc, argv);
- else if (IS_ENABLED(CONFIG_SPI_FLASH_LOCK) && strcmp(cmd, "protect") == 0)
- ret = do_spi_protect(argc, argv);
- + else if (strcmp(cmd, "uuid") == 0)
- + ret = do_spi_flash_read_uuid();
- else if (IS_ENABLED(CONFIG_CMD_SF_TEST) && !strcmp(cmd, "test"))
- ret = do_spi_flash_test(argc, argv);
- else
- @@ -636,6 +646,7 @@ U_BOOT_LONGHELP(sf,
- #ifdef CONFIG_CMD_SF_TEST
- "\nsf test offset len - run a very basic destructive test"
- #endif
- + "sf uuid - read uuid from flash"
- );
-
- U_BOOT_CMD(
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