ramips: rt305x: rewrite SoC detection

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30890 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 35 insertions, 0 deletions

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x.h
index 2e3f9fcbf..9aab64f45 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x.h
@@ -16,6 +16,35 @@
 #include <linux/init.h>
 #include <linux/io.h>
 
+enum rt305x_soc_type {
+	RT305X_SOC_UNKNOWN = 0,
+	RT305X_SOC_RT3050,
+	RT305X_SOC_RT3052,
+	RT305X_SOC_RT3352,
+};
+
+extern enum rt305x_soc_type rt305x_soc;
+
+static inline int soc_is_rt3050(void)
+{
+	return rt305x_soc == RT305X_SOC_RT3050;
+}
+
+static inline int soc_is_rt3052(void)
+{
+	return rt305x_soc == RT305X_SOC_RT3052;
+}
+
+static inline int soc_is_rt305x(void)
+{
+	return soc_is_rt3050() || soc_is_rt3052();
+}
+
+static inline int soc_is_rt3352(void)
+{
+	return rt305x_soc == RT305X_SOC_RT3352;
+}
+
 #define RT305X_MEM_SIZE_MIN (2 * 1024 * 1024)
 #define RT305X_MEM_SIZE_MAX (64 * 1024 * 1024)
 
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
index 1ba553555..819f1ee60 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x_regs.h
@@ -57,6 +57,12 @@
 #define SYSC_REG_IA_ADDRESS	0x310	/* Illegal Access Address */
 #define SYSC_REG_IA_TYPE	0x314	/* Illegal Access Type */
 
+#define RT3052_CHIP_NAME0	0x30335452
+#define RT3052_CHIP_NAME1	0x20203235
+
+#define RT3352_CHIP_NAME0	0x33335452
+#define RT3352_CHIP_NAME1	0x20203235
+
 #define CHIP_ID_ID_MASK		0xff
 #define CHIP_ID_ID_SHIFT	8
 #define CHIP_ID_REV_MASK	0xff