Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 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> |
Magnus Damm | 68abdbb | 2007-06-15 18:56:19 +0900 | [diff] [blame^] | 9 | #include <linux/irq.h> |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 10 | #include <asm/machvec.h> |
Paul Mundt | 082c44d | 2006-10-19 16:16:18 +0900 | [diff] [blame] | 11 | #include <asm/shmin.h> |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 12 | #include <asm/clock.h> |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 13 | #include <asm/io.h> |
| 14 | |
Takashi YOSHII | f725b5e | 2006-12-25 18:35:24 +0900 | [diff] [blame] | 15 | #define PFC_PHCR 0xa400010eUL |
Nobuhiro Iwamatsu | dbbfa2d | 2007-02-07 13:54:39 +0900 | [diff] [blame] | 16 | #define INTC_ICR1 0xa4000010UL |
Takashi YOSHII | f725b5e | 2006-12-25 18:35:24 +0900 | [diff] [blame] | 17 | #define INTC_IPRC 0xa4000016UL |
| 18 | |
Magnus Damm | 68abdbb | 2007-06-15 18:56:19 +0900 | [diff] [blame^] | 19 | static struct ipr_data ipr_irq_table[] = { |
| 20 | { 32, 0, 0, 0 }, |
| 21 | { 33, 0, 4, 0 }, |
| 22 | { 34, 0, 8, 8 }, |
| 23 | { 35, 0, 12, 0 }, |
| 24 | }; |
| 25 | |
| 26 | static unsigned long ipr_offsets[] = { |
| 27 | INTC_IPRC, |
| 28 | }; |
| 29 | |
| 30 | static struct ipr_desc ipr_irq_desc = { |
| 31 | .ipr_offsets = ipr_offsets, |
| 32 | .nr_offsets = ARRAY_SIZE(ipr_offsets), |
| 33 | |
| 34 | .ipr_data = ipr_irq_table, |
| 35 | .nr_irqs = ARRAY_SIZE(ipr_irq_table), |
| 36 | |
| 37 | .chip = { |
| 38 | .name = "IPR-shmin", |
| 39 | }, |
Takashi YOSHII | f725b5e | 2006-12-25 18:35:24 +0900 | [diff] [blame] | 40 | }; |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 41 | |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 42 | static void __init init_shmin_irq(void) |
| 43 | { |
| 44 | ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ |
| 45 | ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. |
Magnus Damm | 68abdbb | 2007-06-15 18:56:19 +0900 | [diff] [blame^] | 46 | register_ipr_controller(&ipr_irq_desc); |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 47 | } |
| 48 | |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 49 | static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) |
| 50 | { |
| 51 | static int dummy; |
| 52 | |
| 53 | if ((port & ~0x1f) == SHMIN_NE_BASE) |
| 54 | return (void __iomem *)(SHMIN_IO_BASE + port); |
| 55 | |
| 56 | dummy = 0; |
| 57 | |
| 58 | return &dummy; |
| 59 | |
| 60 | } |
| 61 | |
Paul Mundt | 82f81f4 | 2007-05-15 15:19:34 +0900 | [diff] [blame] | 62 | static struct sh_machine_vector mv_shmin __initmv = { |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 63 | .mv_name = "SHMIN", |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 64 | .mv_init_irq = init_shmin_irq, |
| 65 | .mv_ioport_map = shmin_ioport_map, |
| 66 | }; |