Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Hirokazu Takata | 2368086 | 2005-06-21 17:16:10 -0700 | [diff] [blame] | 2 | * linux/arch/m32r/kernel/setup_mappi2.c |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * Setup routines for Renesas MAPPI-II(M3A-ZA36) Board |
| 5 | * |
| 6 | * Copyright (c) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata, |
| 7 | * Hitoshi Yamamoto, Mamoru Sakugawa |
| 8 | */ |
| 9 | |
| 10 | #include <linux/config.h> |
| 11 | #include <linux/irq.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/device.h> |
| 15 | |
| 16 | #include <asm/system.h> |
| 17 | #include <asm/m32r.h> |
| 18 | #include <asm/io.h> |
| 19 | |
| 20 | #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) |
| 21 | |
| 22 | #ifndef CONFIG_SMP |
| 23 | typedef struct { |
| 24 | unsigned long icucr; /* ICU Control Register */ |
| 25 | } icu_data_t; |
| 26 | #endif /* CONFIG_SMP */ |
| 27 | |
| 28 | icu_data_t icu_data[NR_IRQS]; |
| 29 | |
| 30 | static void disable_mappi2_irq(unsigned int irq) |
| 31 | { |
| 32 | unsigned long port, data; |
| 33 | |
| 34 | if ((irq == 0) ||(irq >= NR_IRQS)) { |
| 35 | printk("bad irq 0x%08x\n", irq); |
| 36 | return; |
| 37 | } |
| 38 | port = irq2port(irq); |
| 39 | data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7; |
| 40 | outl(data, port); |
| 41 | } |
| 42 | |
| 43 | static void enable_mappi2_irq(unsigned int irq) |
| 44 | { |
| 45 | unsigned long port, data; |
| 46 | |
| 47 | if ((irq == 0) ||(irq >= NR_IRQS)) { |
| 48 | printk("bad irq 0x%08x\n", irq); |
| 49 | return; |
| 50 | } |
| 51 | port = irq2port(irq); |
| 52 | data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6; |
| 53 | outl(data, port); |
| 54 | } |
| 55 | |
| 56 | static void mask_and_ack_mappi2(unsigned int irq) |
| 57 | { |
| 58 | disable_mappi2_irq(irq); |
| 59 | } |
| 60 | |
| 61 | static void end_mappi2_irq(unsigned int irq) |
| 62 | { |
| 63 | enable_mappi2_irq(irq); |
| 64 | } |
| 65 | |
| 66 | static unsigned int startup_mappi2_irq(unsigned int irq) |
| 67 | { |
| 68 | enable_mappi2_irq(irq); |
| 69 | return (0); |
| 70 | } |
| 71 | |
| 72 | static void shutdown_mappi2_irq(unsigned int irq) |
| 73 | { |
| 74 | unsigned long port; |
| 75 | |
| 76 | port = irq2port(irq); |
| 77 | outl(M32R_ICUCR_ILEVEL7, port); |
| 78 | } |
| 79 | |
| 80 | static struct hw_interrupt_type mappi2_irq_type = |
| 81 | { |
Hirokazu Takata | 6f973b0 | 2005-06-21 17:16:13 -0700 | [diff] [blame] | 82 | .typename = "MAPPI2-IRQ", |
| 83 | .startup = startup_mappi2_irq, |
| 84 | .shutdown = shutdown_mappi2_irq, |
| 85 | .enable = enable_mappi2_irq, |
| 86 | .disable = disable_mappi2_irq, |
| 87 | .ack = mask_and_ack_mappi2, |
| 88 | .end = end_mappi2_irq |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | }; |
| 90 | |
| 91 | void __init init_IRQ(void) |
| 92 | { |
| 93 | #if defined(CONFIG_SMC91X) |
| 94 | /* INT0 : LAN controller (SMC91111) */ |
| 95 | irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED; |
| 96 | irq_desc[M32R_IRQ_INT0].handler = &mappi2_irq_type; |
| 97 | irq_desc[M32R_IRQ_INT0].action = 0; |
| 98 | irq_desc[M32R_IRQ_INT0].depth = 1; |
| 99 | icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10; |
| 100 | disable_mappi2_irq(M32R_IRQ_INT0); |
| 101 | #endif /* CONFIG_SMC91X */ |
| 102 | |
| 103 | /* MFT2 : system timer */ |
| 104 | irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED; |
| 105 | irq_desc[M32R_IRQ_MFT2].handler = &mappi2_irq_type; |
| 106 | irq_desc[M32R_IRQ_MFT2].action = 0; |
| 107 | irq_desc[M32R_IRQ_MFT2].depth = 1; |
| 108 | icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN; |
| 109 | disable_mappi2_irq(M32R_IRQ_MFT2); |
| 110 | |
| 111 | #ifdef CONFIG_SERIAL_M32R_SIO |
| 112 | /* SIO0_R : uart receive data */ |
| 113 | irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED; |
| 114 | irq_desc[M32R_IRQ_SIO0_R].handler = &mappi2_irq_type; |
| 115 | irq_desc[M32R_IRQ_SIO0_R].action = 0; |
| 116 | irq_desc[M32R_IRQ_SIO0_R].depth = 1; |
| 117 | icu_data[M32R_IRQ_SIO0_R].icucr = 0; |
| 118 | disable_mappi2_irq(M32R_IRQ_SIO0_R); |
| 119 | |
| 120 | /* SIO0_S : uart send data */ |
| 121 | irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED; |
| 122 | irq_desc[M32R_IRQ_SIO0_S].handler = &mappi2_irq_type; |
| 123 | irq_desc[M32R_IRQ_SIO0_S].action = 0; |
| 124 | irq_desc[M32R_IRQ_SIO0_S].depth = 1; |
| 125 | icu_data[M32R_IRQ_SIO0_S].icucr = 0; |
| 126 | disable_mappi2_irq(M32R_IRQ_SIO0_S); |
| 127 | /* SIO1_R : uart receive data */ |
| 128 | irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED; |
| 129 | irq_desc[M32R_IRQ_SIO1_R].handler = &mappi2_irq_type; |
| 130 | irq_desc[M32R_IRQ_SIO1_R].action = 0; |
| 131 | irq_desc[M32R_IRQ_SIO1_R].depth = 1; |
| 132 | icu_data[M32R_IRQ_SIO1_R].icucr = 0; |
| 133 | disable_mappi2_irq(M32R_IRQ_SIO1_R); |
| 134 | |
| 135 | /* SIO1_S : uart send data */ |
| 136 | irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED; |
| 137 | irq_desc[M32R_IRQ_SIO1_S].handler = &mappi2_irq_type; |
| 138 | irq_desc[M32R_IRQ_SIO1_S].action = 0; |
| 139 | irq_desc[M32R_IRQ_SIO1_S].depth = 1; |
| 140 | icu_data[M32R_IRQ_SIO1_S].icucr = 0; |
| 141 | disable_mappi2_irq(M32R_IRQ_SIO1_S); |
| 142 | #endif /* CONFIG_M32R_USE_DBG_CONSOLE */ |
| 143 | |
| 144 | #if defined(CONFIG_USB) |
| 145 | /* INT1 : USB Host controller interrupt */ |
| 146 | irq_desc[M32R_IRQ_INT1].status = IRQ_DISABLED; |
| 147 | irq_desc[M32R_IRQ_INT1].handler = &mappi2_irq_type; |
| 148 | irq_desc[M32R_IRQ_INT1].action = 0; |
| 149 | irq_desc[M32R_IRQ_INT1].depth = 1; |
| 150 | icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_ISMOD01; |
| 151 | disable_mappi2_irq(M32R_IRQ_INT1); |
| 152 | #endif /* CONFIG_USB */ |
| 153 | |
| 154 | /* ICUCR40: CFC IREQ */ |
| 155 | irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED; |
| 156 | irq_desc[PLD_IRQ_CFIREQ].handler = &mappi2_irq_type; |
| 157 | irq_desc[PLD_IRQ_CFIREQ].action = 0; |
| 158 | irq_desc[PLD_IRQ_CFIREQ].depth = 1; /* disable nested irq */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | icu_data[PLD_IRQ_CFIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01; |
| 160 | disable_mappi2_irq(PLD_IRQ_CFIREQ); |
| 161 | |
| 162 | #if defined(CONFIG_M32R_CFC) |
| 163 | /* ICUCR41: CFC Insert */ |
| 164 | irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED; |
| 165 | irq_desc[PLD_IRQ_CFC_INSERT].handler = &mappi2_irq_type; |
| 166 | irq_desc[PLD_IRQ_CFC_INSERT].action = 0; |
| 167 | irq_desc[PLD_IRQ_CFC_INSERT].depth = 1; /* disable nested irq */ |
| 168 | icu_data[PLD_IRQ_CFC_INSERT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD00; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | disable_mappi2_irq(PLD_IRQ_CFC_INSERT); |
| 170 | |
| 171 | /* ICUCR42: CFC Eject */ |
| 172 | irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED; |
| 173 | irq_desc[PLD_IRQ_CFC_EJECT].handler = &mappi2_irq_type; |
| 174 | irq_desc[PLD_IRQ_CFC_EJECT].action = 0; |
| 175 | irq_desc[PLD_IRQ_CFC_EJECT].depth = 1; /* disable nested irq */ |
| 176 | icu_data[PLD_IRQ_CFC_EJECT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | disable_mappi2_irq(PLD_IRQ_CFC_EJECT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | #endif /* CONFIG_MAPPI2_CFC */ |
| 179 | } |
| 180 | |
| 181 | #define LAN_IOSTART 0x300 |
| 182 | #define LAN_IOEND 0x320 |
| 183 | static struct resource smc91x_resources[] = { |
| 184 | [0] = { |
| 185 | .start = (LAN_IOSTART), |
| 186 | .end = (LAN_IOEND), |
| 187 | .flags = IORESOURCE_MEM, |
| 188 | }, |
| 189 | [1] = { |
| 190 | .start = M32R_IRQ_INT0, |
| 191 | .end = M32R_IRQ_INT0, |
| 192 | .flags = IORESOURCE_IRQ, |
| 193 | } |
| 194 | }; |
| 195 | |
| 196 | static struct platform_device smc91x_device = { |
| 197 | .name = "smc91x", |
| 198 | .id = 0, |
| 199 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 200 | .resource = smc91x_resources, |
| 201 | }; |
| 202 | |
| 203 | static int __init platform_init(void) |
| 204 | { |
| 205 | platform_device_register(&smc91x_device); |
| 206 | return 0; |
| 207 | } |
| 208 | arch_initcall(platform_init); |