| /* |
| * arch/sh/boards/shmin/setup.c |
| * |
| * Copyright (C) 2006 Takashi YOSHII |
| * |
| * SHMIN Support. |
| */ |
| #include <linux/init.h> |
| #include <asm/machvec.h> |
| #include <asm/shmin.h> |
| #include <asm/clock.h> |
| #include <asm/irq.h> |
| #include <asm/io.h> |
| |
| #define PFC_PHCR 0xa400010eUL |
| #define INTC_ICR1 0xa4000010UL |
| #define INTC_IPRC 0xa4000016UL |
| |
| static struct ipr_data shmin_ipr_map[] = { |
| { .irq=32, .addr=INTC_IPRC, .shift= 0, .priority=0 }, |
| { .irq=33, .addr=INTC_IPRC, .shift= 4, .priority=0 }, |
| { .irq=34, .addr=INTC_IPRC, .shift= 8, .priority=8 }, |
| { .irq=35, .addr=INTC_IPRC, .shift=12, .priority=0 }, |
| }; |
| |
| static void __init init_shmin_irq(void) |
| { |
| ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ |
| ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. |
| make_ipr_irq(shmin_ipr_map, ARRAY_SIZE(shmin_ipr_map)); |
| } |
| |
| static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) |
| { |
| static int dummy; |
| |
| if ((port & ~0x1f) == SHMIN_NE_BASE) |
| return (void __iomem *)(SHMIN_IO_BASE + port); |
| |
| dummy = 0; |
| |
| return &dummy; |
| |
| } |
| |
| struct sh_machine_vector mv_shmin __initmv = { |
| .mv_name = "SHMIN", |
| .mv_init_irq = init_shmin_irq, |
| .mv_ioport_map = shmin_ioport_map, |
| }; |
| ALIAS_MV(shmin) |