Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
---
arch/arm/mach-imx/imx25.c | 12 ++++++++++++
arch/arm/mach-imx/include/mach/generic.h | 1 +
arch/arm/mach-imx/include/mach/imx25-regs.h | 3 +++
3 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/imx25.c b/arch/arm/mach-imx/imx25.c
index 00a1e4e..de70247 100644
--- a/arch/arm/mach-imx/imx25.c
+++ b/arch/arm/mach-imx/imx25.c
@@ -16,6 +16,8 @@
*/
#include <common.h>
+#include <mach/imx-regs.h>
+#include <asm/io.h>
#include "gpio.h"
@@ -28,3 +30,13 @@ void *imx_gpio_base[] = {
int imx_gpio_count = ARRAY_SIZE(imx_gpio_base) * 32;
+u64 imx_uid(void)
+{
+ u64 uid = 0;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ uid = (uid << 8) | readb(IMX_IIM_BASE + IIM_UID + i*4);
+
+ return uid;
+}
diff --git a/arch/arm/mach-imx/include/mach/generic.h b/arch/arm/mach-imx/include/mach/generic.h
index 48ed336..4b89838 100644
--- a/arch/arm/mach-imx/include/mach/generic.h
+++ b/arch/arm/mach-imx/include/mach/generic.h
@@ -6,6 +6,7 @@ int imx_silicon_revision(void);
#define IMX35_CHIP_REVISION_1_0 0x10
#define IMX35_CHIP_REVISION_2_0 0x20
+u64 imx_uid(void);
#ifdef CONFIG_ARCH_IMX1
diff --git a/arch/arm/mach-imx/include/mach/imx25-regs.h b/arch/arm/mach-imx/include/mach/imx25-regs.h
index e91e7b6..7c2b5f9 100644
--- a/arch/arm/mach-imx/include/mach/imx25-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx25-regs.h
@@ -140,5 +140,8 @@
/* important definition of some bits of WCR */
#define WCR_WDE 0x04
+/* IIM fuse definitions */
+#define IIM_UID 0x820
+
#endif /* __ASM_ARCH_MX25_REGS_H */
--
1.7.1
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