49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From e60939acbebd07161f3978d1c6f13123fdd2ebf2 Mon Sep 17 00:00:00 2001
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From: Weijie Gao <weijie.gao@mediatek.com>
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Date: Mon, 25 Jul 2022 11:27:02 +0800
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Subject: [PATCH 50/71] cmd: sf: add support to read flash unique ID
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This patch adds support to display unique ID from spi-nor flashes
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Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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---
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cmd/sf.c | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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--- a/cmd/sf.c
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+++ b/cmd/sf.c
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@@ -403,6 +403,14 @@ static int do_spi_protect(int argc, char
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return ret == 0 ? 0 : 1;
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}
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+static int do_spi_flash_read_uuid(void)
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+{
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+ int ret = 0;
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+ ret = flash->read_uuid(flash);
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+
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+ return ret == 0 ? 0 : 1;
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+}
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+
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enum {
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STAGE_ERASE,
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STAGE_CHECK,
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@@ -599,6 +607,8 @@ static int do_spi_flash(struct cmd_tbl *
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ret = do_spi_flash_erase(argc, argv);
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else if (strcmp(cmd, "protect") == 0)
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ret = do_spi_protect(argc, argv);
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+ else if (strcmp(cmd, "uuid") == 0)
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+ ret = do_spi_flash_read_uuid();
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else if (IS_ENABLED(CONFIG_CMD_SF_TEST) && !strcmp(cmd, "test"))
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ret = do_spi_flash_test(argc, argv);
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else
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@@ -629,7 +639,8 @@ static const char long_help[] =
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" at `addr' to flash at `offset'\n"
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" or to start of mtd `partition'\n"
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"sf protect lock/unlock sector len - protect/unprotect 'len' bytes starting\n"
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- " at address 'sector'"
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+ " at address 'sector'\n"
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+ "sf uuid - read uuid from flash"
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#ifdef CONFIG_CMD_SF_TEST
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"\nsf test offset len - run a very basic destructive test"
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#endif
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