1 /* 2 * arch/sh/boards/shmin/setup.c 3 * 4 * Copyright (C) 2006 Takashi YOSHII 5 * 6 * SHMIN Support. 7 */ 8 #include <linux/init.h> 9 #include <linux/irq.h> 10 #include <asm/machvec.h> 11 #include <mach/shmin.h> 12 #include <asm/clock.h> 13 #include <asm/io.h> 14 15 #define PFC_PHCR 0xa400010eUL 16 #define INTC_ICR1 0xa4000010UL 17 18 static void __init init_shmin_irq(void) 19 { 20 ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ 21 ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. 22 plat_irq_setup_pins(IRQ_MODE_IRQ); 23 } 24 25 static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) 26 { 27 static int dummy; 28 29 if ((port & ~0x1f) == SHMIN_NE_BASE) 30 return (void __iomem *)(SHMIN_IO_BASE + port); 31 32 dummy = 0; 33 34 return &dummy; 35 36 } 37 38 static struct sh_machine_vector mv_shmin __initmv = { 39 .mv_name = "SHMIN", 40 .mv_init_irq = init_shmin_irq, 41 .mv_ioport_map = shmin_ioport_map, 42 }; 43