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Diffstat (limited to 'include/asm-mips/mach-rc32434/rc32434.h')
-rw-r--r--include/asm-mips/mach-rc32434/rc32434.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/asm-mips/mach-rc32434/rc32434.h b/include/asm-mips/mach-rc32434/rc32434.h
new file mode 100644
index 00000000000..c4a02145104
--- /dev/null
+++ b/include/asm-mips/mach-rc32434/rc32434.h
@@ -0,0 +1,61 @@
+/*
+ * Definitions for IDT RC323434 CPU.
+ */
+
+#ifndef _ASM_RC32434_RC32434_H_
+#define _ASM_RC32434_RC32434_H_
+
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#define RC32434_REG_BASE 0x18000000
+#define RC32434_RST (1 << 15)
+
+#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 */
+ /* GRP3 IRQ numbers start here */
+#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32)
+ /* GRP4 IRQ numbers start here */
+#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32)
+ /* GRP5 IRQ numbers start here */
+#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32)
+#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)
+
+/* 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);
+}
+
+#endif /* _ASM_RC32434_RC32434_H_ */