ARM: imx: Get the silicon version from the IIM module

Instead of reading the silicon version from ROM, we should
read the SREV register from the IIM.

Freescale has dropped all support for MX51 REV1.0, only MX51
REV 2.0 and 3.0 are valid.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

6 files changed, 14 insertions, 52 deletions

diff --git a/arch/arm/plat-mxc/include/mach/mx27.h b/arch/arm/plat-mxc/include/mach/mx27.h
index eb09ec09dbe..cbc43ad5ef4 100644
--- a/arch/arm/plat-mxc/include/mach/mx27.h
+++ b/arch/arm/plat-mxc/include/mach/mx27.h
@@ -244,10 +244,6 @@ static inline void mx27_setup_weimcs(size_t cs,
 #define MX27_DMA_REQ_SDHC3	36
 #define MX27_DMA_REQ_NFC	37
 
-/* silicon revisions specific to i.MX27 */
-#define CHIP_REV_1_0		0x00
-#define CHIP_REV_2_0		0x01
-
 #ifndef __ASSEMBLY__
 extern int mx27_revision(void);
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/mx31.h b/arch/arm/plat-mxc/include/mach/mx31.h
index 092323144e2..79e7fc01bb5 100644
--- a/arch/arm/plat-mxc/include/mach/mx31.h
+++ b/arch/arm/plat-mxc/include/mach/mx31.h
@@ -203,20 +203,4 @@ static inline void mx31_setup_weimcs(size_t cs,
 
 #define MX31_PROD_SIGNATURE		0x1	/* For MX31 */
 
-/* silicon revisions specific to i.MX31 */
-#define MX31_CHIP_REV_1_0		0x10
-#define MX31_CHIP_REV_1_1		0x11
-#define MX31_CHIP_REV_1_2		0x12
-#define MX31_CHIP_REV_1_3		0x13
-#define MX31_CHIP_REV_2_0		0x20
-#define MX31_CHIP_REV_2_1		0x21
-#define MX31_CHIP_REV_2_2		0x22
-#define MX31_CHIP_REV_2_3		0x23
-#define MX31_CHIP_REV_3_0		0x30
-#define MX31_CHIP_REV_3_1		0x31
-#define MX31_CHIP_REV_3_2		0x32
-
-#define MX31_SYSTEM_REV_MIN		MX31_CHIP_REV_1_0
-#define MX31_SYSTEM_REV_NUM		3
-
 #endif /* ifndef __MACH_MX31_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx35.h b/arch/arm/plat-mxc/include/mach/mx35.h
index 0fa3f685534..d13dbfeef08 100644
--- a/arch/arm/plat-mxc/include/mach/mx35.h
+++ b/arch/arm/plat-mxc/include/mach/mx35.h
@@ -186,7 +186,4 @@
 
 #define MX35_PROD_SIGNATURE		0x1	/* For MX31 */
 
-#define MX35_SYSTEM_REV_MIN		MX3x_CHIP_REV_1_0
-#define MX35_SYSTEM_REV_NUM		3
-
 #endif /* ifndef __MACH_MX35_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx3x.h b/arch/arm/plat-mxc/include/mach/mx3x.h
index 8c7f34e737d..388a407d72d 100644
--- a/arch/arm/plat-mxc/include/mach/mx3x.h
+++ b/arch/arm/plat-mxc/include/mach/mx3x.h
@@ -184,22 +184,6 @@
 
 #define MX3x_PROD_SIGNATURE		0x1	/* For MX31 */
 
-/* silicon revisions specific to i.MX31 and i.MX35 */
-#define MX3x_CHIP_REV_1_0		0x10
-#define MX3x_CHIP_REV_1_1		0x11
-#define MX3x_CHIP_REV_1_2		0x12
-#define MX3x_CHIP_REV_1_3		0x13
-#define MX3x_CHIP_REV_2_0		0x20
-#define MX3x_CHIP_REV_2_1		0x21
-#define MX3x_CHIP_REV_2_2		0x22
-#define MX3x_CHIP_REV_2_3		0x23
-#define MX3x_CHIP_REV_3_0		0x30
-#define MX3x_CHIP_REV_3_1		0x31
-#define MX3x_CHIP_REV_3_2		0x32
-
-#define MX3x_SYSTEM_REV_MIN		MX3x_CHIP_REV_1_0
-#define MX3x_SYSTEM_REV_NUM		3
-
 /* Mandatory defines used globally */
 
 #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h
index 636347c3fa8..8fddfef9b4e 100644
--- a/arch/arm/plat-mxc/include/mach/mx51.h
+++ b/arch/arm/plat-mxc/include/mach/mx51.h
@@ -345,19 +345,6 @@
 #define MX51_MXC_INT_EMI_NFC		101
 #define MX51_MXC_INT_GPU_IDLE		102
 
-/* silicon revisions specific to i.MX51 */
-#define MX51_CHIP_REV_1_0		0x10
-#define MX51_CHIP_REV_1_1		0x11
-#define MX51_CHIP_REV_1_2		0x12
-#define MX51_CHIP_REV_1_3		0x13
-#define MX51_CHIP_REV_2_0		0x20
-#define MX51_CHIP_REV_2_1		0x21
-#define MX51_CHIP_REV_2_2		0x22
-#define MX51_CHIP_REV_2_3		0x23
-#define MX51_CHIP_REV_3_0		0x30
-#define MX51_CHIP_REV_3_1		0x31
-#define MX51_CHIP_REV_3_2		0x32
-
 #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
 extern int mx51_revision(void);
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 4c17515650b..4abbdd11d5c 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -36,6 +36,20 @@
 #define MXC_CPU_MX53		53
 #define MXC_CPU_MXC91231	91231
 
+#define IMX_CHIP_REVISION_1_0		0x10
+#define IMX_CHIP_REVISION_1_1		0x11
+#define IMX_CHIP_REVISION_1_2		0x12
+#define IMX_CHIP_REVISION_1_3		0x13
+#define IMX_CHIP_REVISION_2_0		0x20
+#define IMX_CHIP_REVISION_2_1		0x21
+#define IMX_CHIP_REVISION_2_2		0x22
+#define IMX_CHIP_REVISION_2_3		0x23
+#define IMX_CHIP_REVISION_3_0		0x30
+#define IMX_CHIP_REVISION_3_1		0x31
+#define IMX_CHIP_REVISION_3_2		0x32
+#define IMX_CHIP_REVISION_3_3		0x33
+#define IMX_CHIP_REVISION_UNKNOWN	0xff
+
 #ifndef __ASSEMBLY__
 extern unsigned int __mxc_cpu_type;
 #endif