From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>,
Chris Healy <cphealy@gmail.com>
Subject: [PATCH] ARM: VFxxx: Display UID information on boot
Date: Mon, 2 Dec 2019 06:56:03 -0800 [thread overview]
Message-ID: <20191202145603.738-1-andrew.smirnov@gmail.com> (raw)
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
arch/arm/mach-imx/include/mach/vf610.h | 2 ++
arch/arm/mach-imx/vf610.c | 8 ++++++++
2 files changed, 10 insertions(+)
diff --git a/arch/arm/mach-imx/include/mach/vf610.h b/arch/arm/mach-imx/include/mach/vf610.h
index 6d00d2e45..7ac10a7b1 100644
--- a/arch/arm/mach-imx/include/mach/vf610.h
+++ b/arch/arm/mach-imx/include/mach/vf610.h
@@ -48,4 +48,6 @@ static inline int vf610_cpu_revision(void)
return readl(VF610_ROM_VERSION_OFFSET) & 0xff;
}
+u64 vf610_uid(void);
+
#endif
diff --git a/arch/arm/mach-imx/vf610.c b/arch/arm/mach-imx/vf610.c
index b548cbcb5..2fbd6393e 100644
--- a/arch/arm/mach-imx/vf610.c
+++ b/arch/arm/mach-imx/vf610.c
@@ -19,6 +19,7 @@
#include <mach/revision.h>
#include <mach/vf610.h>
#include <mach/reset-reason.h>
+#include <mach/ocotp.h>
static const struct imx_reset_reason vf610_reset_reasons[] = {
{ VF610_SRC_SRSR_POR_RST, RESET_POR, 0 },
@@ -30,6 +31,11 @@ static const struct imx_reset_reason vf610_reset_reasons[] = {
{ /* sentinel */ }
};
+u64 vf610_uid(void)
+{
+ return imx_ocotp_read_uid(IOMEM(VF610_OCOTP_BASE_ADDR));
+}
+
int vf610_init(void)
{
const char *cputypestr;
@@ -57,5 +63,7 @@ int vf610_init(void)
imx_set_silicon_revision(cputypestr, vf610_cpu_revision());
imx_set_reset_reason(src + IMX_SRC_SRSR, vf610_reset_reasons);
+ pr_info("%s unique ID: %llx\n", cputypestr, vf610_uid());
+
return 0;
}
--
2.21.0
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next reply other threads:[~2019-12-02 14:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-02 14:56 Andrey Smirnov [this message]
2019-12-04 7:23 ` Sascha Hauer
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