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Diffstat (limited to 'include/asm-arm/arch-mxc/mx31.h')
-rw-r--r--include/asm-arm/arch-mxc/mx31.h30
1 files changed, 29 insertions, 1 deletions
diff --git a/include/asm-arm/arch-mxc/mx31.h b/include/asm-arm/arch-mxc/mx31.h
index 85c49c9e5d15..36a1af495bb3 100644
--- a/include/asm-arm/arch-mxc/mx31.h
+++ b/include/asm-arm/arch-mxc/mx31.h
@@ -317,6 +317,8 @@
#define MXC_MAX_INT_LINES 64
#define MXC_GPIO_INT_BASE MXC_MAX_INT_LINES
+#define MXC_MAX_GPIO_LINES (GPIO_NUM_PIN * GPIO_PORT_NUM)
+#define MXC_MAX_VIRTUAL_INTS 16
/*!
* Number of GPIO port as defined in the IC Spec
@@ -329,7 +331,33 @@
#define PROD_SIGNATURE 0x1 /* For MX31 */
+/* silicon revisions specific to i.MX31 */
+#define CHIP_REV_1_0 0x10
+#define CHIP_REV_1_1 0x11
+#define CHIP_REV_1_2 0x12
+#define CHIP_REV_1_3 0x13
+#define CHIP_REV_2_0 0x20
+#define CHIP_REV_2_1 0x21
+#define CHIP_REV_2_2 0x22
+#define CHIP_REV_2_3 0x23
+#define CHIP_REV_3_0 0x30
+#define CHIP_REV_3_1 0x31
+#define CHIP_REV_3_2 0x32
+
#define SYSTEM_REV_MIN CHIP_REV_1_0
#define SYSTEM_REV_NUM 3
-#endif /* __ASM_ARCH_MXC_MX31_H__ */
+#if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
+
+/* this is a i.MX31 CPU */
+#define cpu_is_mx31() (1)
+
+extern unsigned int system_rev;
+
+static inline int mx31_revision(void)
+{
+ return system_rev;
+}
+#endif
+
+#endif /* __ASM_ARCH_MXC_MX31_H__ */