diff options
Diffstat (limited to 'include/asm-mips/mach-rc32434/rc32434.h')
-rw-r--r-- | include/asm-mips/mach-rc32434/rc32434.h | 61 |
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 000000000000..c4a02145104e --- /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_ */ |