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From e60939acbebd07161f3978d1c6f13123fdd2ebf2 Mon Sep 17 00:00:00 2001
From: Weijie Gao <weijie.gao@mediatek.com>
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 <weijie.gao@mediatek.com>
---
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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