Bahadir Balban | e7c7082 | 2008-12-01 14:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-realview/realview_pba8.c |
| 3 | * |
| 4 | * Copyright (C) 2008 ARM Limited |
| 5 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/platform_device.h> |
| 24 | #include <linux/sysdev.h> |
| 25 | #include <linux/amba/bus.h> |
| 26 | #include <linux/io.h> |
| 27 | |
| 28 | #include <asm/irq.h> |
| 29 | #include <asm/leds.h> |
| 30 | #include <asm/mach-types.h> |
| 31 | #include <asm/hardware/gic.h> |
| 32 | #include <asm/hardware/icst307.h> |
| 33 | |
| 34 | #include <asm/mach/arch.h> |
| 35 | #include <asm/mach/map.h> |
| 36 | #include <asm/mach/mmc.h> |
| 37 | #include <asm/mach/time.h> |
| 38 | |
| 39 | #include <mach/hardware.h> |
| 40 | #include <mach/board-pba8.h> |
| 41 | #include <mach/irqs.h> |
| 42 | |
| 43 | #include "core.h" |
| 44 | #include "clock.h" |
| 45 | |
| 46 | static struct map_desc realview_pba8_io_desc[] __initdata = { |
| 47 | { |
| 48 | .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), |
| 49 | .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), |
| 50 | .length = SZ_4K, |
| 51 | .type = MT_DEVICE, |
| 52 | }, { |
| 53 | .virtual = IO_ADDRESS(REALVIEW_PBA8_GIC_CPU_BASE), |
| 54 | .pfn = __phys_to_pfn(REALVIEW_PBA8_GIC_CPU_BASE), |
| 55 | .length = SZ_4K, |
| 56 | .type = MT_DEVICE, |
| 57 | }, { |
| 58 | .virtual = IO_ADDRESS(REALVIEW_PBA8_GIC_DIST_BASE), |
| 59 | .pfn = __phys_to_pfn(REALVIEW_PBA8_GIC_DIST_BASE), |
| 60 | .length = SZ_4K, |
| 61 | .type = MT_DEVICE, |
| 62 | }, { |
| 63 | .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), |
| 64 | .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), |
| 65 | .length = SZ_4K, |
| 66 | .type = MT_DEVICE, |
| 67 | }, { |
| 68 | .virtual = IO_ADDRESS(REALVIEW_PBA8_TIMER0_1_BASE), |
| 69 | .pfn = __phys_to_pfn(REALVIEW_PBA8_TIMER0_1_BASE), |
| 70 | .length = SZ_4K, |
| 71 | .type = MT_DEVICE, |
| 72 | }, { |
| 73 | .virtual = IO_ADDRESS(REALVIEW_PBA8_TIMER2_3_BASE), |
| 74 | .pfn = __phys_to_pfn(REALVIEW_PBA8_TIMER2_3_BASE), |
| 75 | .length = SZ_4K, |
| 76 | .type = MT_DEVICE, |
| 77 | }, |
| 78 | #ifdef CONFIG_PCI |
| 79 | { |
| 80 | .virtual = PCIX_UNIT_BASE, |
| 81 | .pfn = __phys_to_pfn(REALVIEW_PBA8_PCI_BASE), |
| 82 | .length = REALVIEW_PBA8_PCI_BASE_SIZE, |
| 83 | .type = MT_DEVICE |
| 84 | }, |
| 85 | #endif |
| 86 | #ifdef CONFIG_DEBUG_LL |
| 87 | { |
| 88 | .virtual = IO_ADDRESS(REALVIEW_PBA8_UART0_BASE), |
| 89 | .pfn = __phys_to_pfn(REALVIEW_PBA8_UART0_BASE), |
| 90 | .length = SZ_4K, |
| 91 | .type = MT_DEVICE, |
| 92 | }, |
| 93 | #endif |
| 94 | }; |
| 95 | |
| 96 | static void __init realview_pba8_map_io(void) |
| 97 | { |
| 98 | iotable_init(realview_pba8_io_desc, ARRAY_SIZE(realview_pba8_io_desc)); |
| 99 | } |
| 100 | |
| 101 | /* |
| 102 | * RealView PBA8Core AMBA devices |
| 103 | */ |
| 104 | |
| 105 | #define GPIO2_IRQ { IRQ_PBA8_GPIO2, NO_IRQ } |
| 106 | #define GPIO2_DMA { 0, 0 } |
| 107 | #define GPIO3_IRQ { IRQ_PBA8_GPIO3, NO_IRQ } |
| 108 | #define GPIO3_DMA { 0, 0 } |
| 109 | #define AACI_IRQ { IRQ_PBA8_AACI, NO_IRQ } |
| 110 | #define AACI_DMA { 0x80, 0x81 } |
| 111 | #define MMCI0_IRQ { IRQ_PBA8_MMCI0A, IRQ_PBA8_MMCI0B } |
| 112 | #define MMCI0_DMA { 0x84, 0 } |
| 113 | #define KMI0_IRQ { IRQ_PBA8_KMI0, NO_IRQ } |
| 114 | #define KMI0_DMA { 0, 0 } |
| 115 | #define KMI1_IRQ { IRQ_PBA8_KMI1, NO_IRQ } |
| 116 | #define KMI1_DMA { 0, 0 } |
| 117 | #define PBA8_SMC_IRQ { NO_IRQ, NO_IRQ } |
| 118 | #define PBA8_SMC_DMA { 0, 0 } |
| 119 | #define MPMC_IRQ { NO_IRQ, NO_IRQ } |
| 120 | #define MPMC_DMA { 0, 0 } |
| 121 | #define PBA8_CLCD_IRQ { IRQ_PBA8_CLCD, NO_IRQ } |
| 122 | #define PBA8_CLCD_DMA { 0, 0 } |
| 123 | #define DMAC_IRQ { IRQ_PBA8_DMAC, NO_IRQ } |
| 124 | #define DMAC_DMA { 0, 0 } |
| 125 | #define SCTL_IRQ { NO_IRQ, NO_IRQ } |
| 126 | #define SCTL_DMA { 0, 0 } |
| 127 | #define PBA8_WATCHDOG_IRQ { IRQ_PBA8_WATCHDOG, NO_IRQ } |
| 128 | #define PBA8_WATCHDOG_DMA { 0, 0 } |
| 129 | #define PBA8_GPIO0_IRQ { IRQ_PBA8_GPIO0, NO_IRQ } |
| 130 | #define PBA8_GPIO0_DMA { 0, 0 } |
| 131 | #define GPIO1_IRQ { IRQ_PBA8_GPIO1, NO_IRQ } |
| 132 | #define GPIO1_DMA { 0, 0 } |
| 133 | #define PBA8_RTC_IRQ { IRQ_PBA8_RTC, NO_IRQ } |
| 134 | #define PBA8_RTC_DMA { 0, 0 } |
| 135 | #define SCI_IRQ { IRQ_PBA8_SCI, NO_IRQ } |
| 136 | #define SCI_DMA { 7, 6 } |
| 137 | #define PBA8_UART0_IRQ { IRQ_PBA8_UART0, NO_IRQ } |
| 138 | #define PBA8_UART0_DMA { 15, 14 } |
| 139 | #define PBA8_UART1_IRQ { IRQ_PBA8_UART1, NO_IRQ } |
| 140 | #define PBA8_UART1_DMA { 13, 12 } |
| 141 | #define PBA8_UART2_IRQ { IRQ_PBA8_UART2, NO_IRQ } |
| 142 | #define PBA8_UART2_DMA { 11, 10 } |
| 143 | #define PBA8_UART3_IRQ { IRQ_PBA8_UART3, NO_IRQ } |
| 144 | #define PBA8_UART3_DMA { 0x86, 0x87 } |
| 145 | #define PBA8_SSP_IRQ { IRQ_PBA8_SSP, NO_IRQ } |
| 146 | #define PBA8_SSP_DMA { 9, 8 } |
| 147 | |
| 148 | /* FPGA Primecells */ |
| 149 | AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); |
| 150 | AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); |
| 151 | AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); |
| 152 | AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); |
| 153 | AMBA_DEVICE(uart3, "fpga:09", PBA8_UART3, NULL); |
| 154 | |
| 155 | /* DevChip Primecells */ |
| 156 | AMBA_DEVICE(smc, "dev:00", PBA8_SMC, NULL); |
| 157 | AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); |
| 158 | AMBA_DEVICE(wdog, "dev:e1", PBA8_WATCHDOG, NULL); |
| 159 | AMBA_DEVICE(gpio0, "dev:e4", PBA8_GPIO0, NULL); |
| 160 | AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); |
| 161 | AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); |
| 162 | AMBA_DEVICE(rtc, "dev:e8", PBA8_RTC, NULL); |
| 163 | AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); |
| 164 | AMBA_DEVICE(uart0, "dev:f1", PBA8_UART0, NULL); |
| 165 | AMBA_DEVICE(uart1, "dev:f2", PBA8_UART1, NULL); |
| 166 | AMBA_DEVICE(uart2, "dev:f3", PBA8_UART2, NULL); |
| 167 | AMBA_DEVICE(ssp0, "dev:f4", PBA8_SSP, NULL); |
| 168 | |
| 169 | /* Primecells on the NEC ISSP chip */ |
| 170 | AMBA_DEVICE(clcd, "issp:20", PBA8_CLCD, &clcd_plat_data); |
| 171 | AMBA_DEVICE(dmac, "issp:30", DMAC, NULL); |
| 172 | |
| 173 | static struct amba_device *amba_devs[] __initdata = { |
| 174 | &dmac_device, |
| 175 | &uart0_device, |
| 176 | &uart1_device, |
| 177 | &uart2_device, |
| 178 | &uart3_device, |
| 179 | &smc_device, |
| 180 | &clcd_device, |
| 181 | &sctl_device, |
| 182 | &wdog_device, |
| 183 | &gpio0_device, |
| 184 | &gpio1_device, |
| 185 | &gpio2_device, |
| 186 | &rtc_device, |
| 187 | &sci0_device, |
| 188 | &ssp0_device, |
| 189 | &aaci_device, |
| 190 | &mmc0_device, |
| 191 | &kmi0_device, |
| 192 | &kmi1_device, |
| 193 | }; |
| 194 | |
| 195 | /* |
| 196 | * RealView PB-A8 platform devices |
| 197 | */ |
| 198 | static struct resource realview_pba8_flash_resource[] = { |
| 199 | [0] = { |
| 200 | .start = REALVIEW_PBA8_FLASH0_BASE, |
| 201 | .end = REALVIEW_PBA8_FLASH0_BASE + REALVIEW_PBA8_FLASH0_SIZE - 1, |
| 202 | .flags = IORESOURCE_MEM, |
| 203 | }, |
| 204 | [1] = { |
| 205 | .start = REALVIEW_PBA8_FLASH1_BASE, |
| 206 | .end = REALVIEW_PBA8_FLASH1_BASE + REALVIEW_PBA8_FLASH1_SIZE - 1, |
| 207 | .flags = IORESOURCE_MEM, |
| 208 | }, |
| 209 | }; |
| 210 | |
| 211 | static struct resource realview_pba8_smsc911x_resources[] = { |
| 212 | [0] = { |
| 213 | .start = REALVIEW_PBA8_ETH_BASE, |
| 214 | .end = REALVIEW_PBA8_ETH_BASE + SZ_64K - 1, |
| 215 | .flags = IORESOURCE_MEM, |
| 216 | }, |
| 217 | [1] = { |
| 218 | .start = IRQ_PBA8_ETH, |
| 219 | .end = IRQ_PBA8_ETH, |
| 220 | .flags = IORESOURCE_IRQ, |
| 221 | }, |
| 222 | }; |
| 223 | |
Bahadir Balban | e7c7082 | 2008-12-01 14:54:55 +0000 | [diff] [blame] | 224 | struct resource realview_pba8_cf_resources[] = { |
| 225 | [0] = { |
| 226 | .start = REALVIEW_PBA8_CF_BASE, |
| 227 | .end = REALVIEW_PBA8_CF_BASE + SZ_4K - 1, |
| 228 | .flags = IORESOURCE_MEM, |
| 229 | }, |
| 230 | [1] = { |
| 231 | .start = REALVIEW_PBA8_CF_MEM_BASE, |
| 232 | .end = REALVIEW_PBA8_CF_MEM_BASE + SZ_4K - 1, |
| 233 | .flags = IORESOURCE_MEM, |
| 234 | }, |
| 235 | [2] = { |
| 236 | .start = -1, /* FIXME: Find correct irq */ |
| 237 | .end = -1, |
| 238 | .flags = IORESOURCE_IRQ, |
| 239 | }, |
| 240 | }; |
| 241 | |
| 242 | struct platform_device realview_pba8_cf_device = { |
| 243 | .name = "compactflash", |
| 244 | .id = 0, |
| 245 | .num_resources = ARRAY_SIZE(realview_pba8_cf_resources), |
| 246 | .resource = realview_pba8_cf_resources, |
| 247 | }; |
| 248 | |
| 249 | static void __init gic_init_irq(void) |
| 250 | { |
| 251 | /* ARM PB-A8 on-board GIC */ |
| 252 | gic_cpu_base_addr = __io_address(REALVIEW_PBA8_GIC_CPU_BASE); |
| 253 | gic_dist_init(0, __io_address(REALVIEW_PBA8_GIC_DIST_BASE), IRQ_PBA8_GIC_START); |
| 254 | gic_cpu_init(0, __io_address(REALVIEW_PBA8_GIC_CPU_BASE)); |
| 255 | } |
| 256 | |
| 257 | static void __init realview_pba8_timer_init(void) |
| 258 | { |
| 259 | timer0_va_base = __io_address(REALVIEW_PBA8_TIMER0_1_BASE); |
| 260 | timer1_va_base = __io_address(REALVIEW_PBA8_TIMER0_1_BASE) + 0x20; |
| 261 | timer2_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE); |
| 262 | timer3_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE) + 0x20; |
| 263 | |
| 264 | realview_timer_init(IRQ_PBA8_TIMER0_1); |
| 265 | } |
| 266 | |
| 267 | static struct sys_timer realview_pba8_timer = { |
| 268 | .init = realview_pba8_timer_init, |
| 269 | }; |
| 270 | |
| 271 | static void __init realview_pba8_init(void) |
| 272 | { |
| 273 | int i; |
| 274 | |
| 275 | realview_flash_register(realview_pba8_flash_resource, |
| 276 | ARRAY_SIZE(realview_pba8_flash_resource)); |
Catalin Marinas | 0a38133 | 2008-12-01 14:54:58 +0000 | [diff] [blame^] | 277 | realview_eth_register(NULL, realview_pba8_smsc911x_resources); |
Bahadir Balban | e7c7082 | 2008-12-01 14:54:55 +0000 | [diff] [blame] | 278 | platform_device_register(&realview_i2c_device); |
| 279 | platform_device_register(&realview_pba8_cf_device); |
| 280 | |
| 281 | for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { |
| 282 | struct amba_device *d = amba_devs[i]; |
| 283 | amba_device_register(d, &iomem_resource); |
| 284 | } |
| 285 | |
| 286 | #ifdef CONFIG_LEDS |
| 287 | leds_event = realview_leds_event; |
| 288 | #endif |
| 289 | } |
| 290 | |
| 291 | MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8") |
| 292 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ |
| 293 | .phys_io = REALVIEW_PBA8_UART0_BASE, |
| 294 | .io_pg_offst = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc, |
| 295 | .boot_params = PHYS_OFFSET + 0x00000100, |
| 296 | .map_io = realview_pba8_map_io, |
| 297 | .init_irq = gic_init_irq, |
| 298 | .timer = &realview_pba8_timer, |
| 299 | .init_machine = realview_pba8_init, |
| 300 | MACHINE_END |