1 files changed, 122 insertions, 0 deletions
diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h b/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h
new file mode 100644
index 000000000..848fc86b3
--- /dev/null
+++ b/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h
@@ -0,0 +1,122 @@
+/*
+ ***************************************************************************
+ * Definitions for IDT RC323434 CPU.
+ *
+ ****************************************************************************
+ * Kiran Rao
+ * 
+ * Original form
+ ****************************************************************************
+ * P. Sadik   Oct 08, 2003
+ *
+ * Started revision history
+ * Made IDT_BUS_FREQ a kernel configuration parameter
+ ****************************************************************************
+ * P. Sadik   Oct 10, 2003
+ *
+ * Removed IDT_BUS_FREQ, since this parameter is no longer required. Instead
+ * idt_cpu_freq is used everywhere
+ ****************************************************************************
+ * P. Sadik   Oct 20, 2003
+ *
+ * Removed RC32434_BASE_BAUD
+ ****************************************************************************
+*/
+#ifndef _RC32434_H_
+#define _RC32434_H_
+
+#include <linux/autoconf.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+
+#define RC32434_REG_BASE   0x18000000
+
+#define interrupt ((volatile INT_t ) INT0_VirtualAddress)
+#define gpio	  ((volatile GPIO_t) GPIO0_VirtualAddress)
+
+
+#define IDT_CLOCK_MULT 2
+#define MIPS_CPU_TIMER_IRQ 7
+/* Interrupt Controller */
+#define IC_GROUP0_PEND     (RC32434_REG_BASE + 0x38000)
+#define IC_GROUP0_MASK     (RC32434_REG_BASE + 0x38008)
+#define IC_GROUP_OFFSET    0x0C
+
+#define NUM_INTR_GROUPS    5
+/* 16550 UARTs */
+
+#define GROUP0_IRQ_BASE 8		/* GRP2 IRQ numbers start here */
+#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32) /* GRP3 IRQ numbers start here */
+#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32) /* GRP4 IRQ numbers start here */
+#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32)	/* GRP5 IRQ numbers start here */
+#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32)
+
+
+#ifdef __MIPSEB__
+#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58003)
+#else
+#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58000)
+#endif
+
+#define RC32434_UART0_IRQ  GROUP3_IRQ_BASE + 0
+// #define EB434_UART1_IRQ    GROUP4_IRQ_BASE + 11
+
+#define local_readl(addr) __raw_readl(addr)
+#define local_writel(l,addr) __raw_writel(l,addr)
+
+/* cpu pipeline flush */
+static inline void rc32434_sync(void)
+{
+        __asm__ volatile ("sync");
+}
+
+static inline void rc32434_sync_udelay(int us)
+{
+        __asm__ volatile ("sync");
+        udelay(us);
+}
+
+static inline void rc32434_sync_delay(int ms)
+{
+        __asm__ volatile ("sync");
+        mdelay(ms);
+}
+
+/*
+ * C access to CLZ and CLO instructions
+ * (count leading zeroes/ones).
+ */
+static inline int rc32434_clz(unsigned long val)
+{
+	int ret;
+        __asm__ volatile (
+		".set\tnoreorder\n\t"
+		".set\tnoat\n\t"
+		".set\tmips32\n\t"
+		"clz\t%0,%1\n\t"
+                ".set\tmips0\n\t"
+                ".set\tat\n\t"
+                ".set\treorder"
+                : "=r" (ret)
+		: "r" (val));
+
+	return ret;
+}
+static inline int rc32434_clo(unsigned long val)
+{
+	int ret;
+        __asm__ volatile (
+		".set\tnoreorder\n\t"
+		".set\tnoat\n\t"
+		".set\tmips32\n\t"
+		"clo\t%0,%1\n\t"
+                ".set\tmips0\n\t"
+                ".set\tat\n\t"
+                ".set\treorder"
+                : "=r" (ret)
+		: "r" (val));
+
+	return ret;
+}
+
+#endif /* _RC32434_H_ */