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authorTom Rini <trini@konsulko.com>2018-04-15 08:43:50 -0400
committerTom Rini <trini@konsulko.com>2018-04-15 08:43:50 -0400
commitebca902aeb3af3eaedd2787928184ad84a86b98f (patch)
tree20081e5c2cff3760d1ece3602823a3e3ff6d47d0 /arch/arm/mach-imx/mx7/soc.c
parentdf13a44377b36f438d15de06b07ad4645b89cf4f (diff)
parentb4e9bdcd05ac83146ad16802a94db3e78f530d1a (diff)
Merge git://git.denx.de/u-boot-imx
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm/mach-imx/mx7/soc.c')
-rw-r--r--arch/arm/mach-imx/mx7/soc.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c
index d349676b81..3ceeeffd99 100644
--- a/arch/arm/mach-imx/mx7/soc.c
+++ b/arch/arm/mach-imx/mx7/soc.c
@@ -18,6 +18,7 @@
#include <dm.h>
#include <imx_thermal.h>
#include <fsl_sec.h>
+#include <asm/setup.h>
#if defined(CONFIG_IMX_THERMAL)
static const struct imx_thermal_plat imx7_thermal_plat = {
@@ -179,6 +180,8 @@ int arch_cpu_init(void)
isolate_resource();
#endif
+ init_snvs();
+
return 0;
}
@@ -201,6 +204,27 @@ int arch_misc_init(void)
#endif
#ifdef CONFIG_SERIAL_TAG
+/*
+ * OCOTP_TESTER
+ * i.MX 7Solo Applications Processor Reference Manual, Rev. 0.1, 08/2016
+ * OCOTP_TESTER describes a unique ID based on silicon wafer
+ * and die X/Y position
+ *
+ * OCOTOP_TESTER offset 0x410
+ * 31:0 fuse 0
+ * FSL-wide unique, encoded LOT ID STD II/SJC CHALLENGE/ Unique ID
+ *
+ * OCOTP_TESTER1 offset 0x420
+ * 31:24 fuse 1
+ * The X-coordinate of the die location on the wafer/SJC CHALLENGE/ Unique ID
+ * 23:16 fuse 1
+ * The Y-coordinate of the die location on the wafer/SJC CHALLENGE/ Unique ID
+ * 15:11 fuse 1
+ * The wafer number of the wafer on which the device was fabricated/SJC
+ * CHALLENGE/ Unique ID
+ * 10:0 fuse 1
+ * FSL-wide unique, encoded LOT ID STD II/SJC CHALLENGE/ Unique ID
+ */
void get_board_serial(struct tag_serialnr *serialnr)
{
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;