Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-realview/realview_pb1176.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> |
Kay Sievers | edbaa60 | 2011-12-21 16:26:03 -0800 | [diff] [blame] | 24 | #include <linux/device.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 25 | #include <linux/amba/bus.h> |
Russell King | eb7fffa | 2009-07-05 22:41:31 +0100 | [diff] [blame] | 26 | #include <linux/amba/pl061.h> |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 27 | #include <linux/amba/mmci.h> |
Linus Walleij | d6ada86 | 2010-07-14 23:58:38 +0100 | [diff] [blame] | 28 | #include <linux/amba/pl022.h> |
Linus Walleij | 0ec5a95 | 2011-09-06 07:50:20 +0100 | [diff] [blame] | 29 | #include <linux/mtd/physmap.h> |
| 30 | #include <linux/mtd/partitions.h> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 31 | #include <linux/io.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 32 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 33 | #include <mach/hardware.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 34 | #include <asm/irq.h> |
| 35 | #include <asm/leds.h> |
| 36 | #include <asm/mach-types.h> |
Will Deacon | f417cba | 2010-04-15 10:16:26 +0100 | [diff] [blame] | 37 | #include <asm/pmu.h> |
Catalin Marinas | cc9897d | 2010-06-21 15:12:40 +0100 | [diff] [blame] | 38 | #include <asm/pgtable.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 39 | #include <asm/hardware/gic.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 40 | #include <asm/hardware/cache-l2x0.h> |
| 41 | |
| 42 | #include <asm/mach/arch.h> |
| 43 | #include <asm/mach/flash.h> |
| 44 | #include <asm/mach/map.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 45 | #include <asm/mach/time.h> |
| 46 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 47 | #include <mach/board-pb1176.h> |
| 48 | #include <mach/irqs.h> |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 49 | |
| 50 | #include "core.h" |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 51 | |
| 52 | static struct map_desc realview_pb1176_io_desc[] __initdata = { |
| 53 | { |
| 54 | .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), |
| 55 | .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), |
| 56 | .length = SZ_4K, |
| 57 | .type = MT_DEVICE, |
| 58 | }, { |
| 59 | .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_CPU_BASE), |
| 60 | .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE), |
| 61 | .length = SZ_4K, |
| 62 | .type = MT_DEVICE, |
| 63 | }, { |
| 64 | .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE), |
| 65 | .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE), |
| 66 | .length = SZ_4K, |
| 67 | .type = MT_DEVICE, |
| 68 | }, { |
| 69 | .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE), |
| 70 | .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE), |
| 71 | .length = SZ_4K, |
| 72 | .type = MT_DEVICE, |
| 73 | }, { |
| 74 | .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE), |
| 75 | .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_DIST_BASE), |
| 76 | .length = SZ_4K, |
| 77 | .type = MT_DEVICE, |
| 78 | }, { |
| 79 | .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), |
| 80 | .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), |
| 81 | .length = SZ_4K, |
| 82 | .type = MT_DEVICE, |
| 83 | }, { |
| 84 | .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER0_1_BASE), |
| 85 | .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE), |
| 86 | .length = SZ_4K, |
| 87 | .type = MT_DEVICE, |
| 88 | }, { |
| 89 | .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE), |
| 90 | .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE), |
| 91 | .length = SZ_4K, |
| 92 | .type = MT_DEVICE, |
| 93 | }, { |
| 94 | .virtual = IO_ADDRESS(REALVIEW_PB1176_L220_BASE), |
| 95 | .pfn = __phys_to_pfn(REALVIEW_PB1176_L220_BASE), |
| 96 | .length = SZ_8K, |
| 97 | .type = MT_DEVICE, |
| 98 | }, |
| 99 | #ifdef CONFIG_DEBUG_LL |
| 100 | { |
| 101 | .virtual = IO_ADDRESS(REALVIEW_PB1176_UART0_BASE), |
| 102 | .pfn = __phys_to_pfn(REALVIEW_PB1176_UART0_BASE), |
| 103 | .length = SZ_4K, |
| 104 | .type = MT_DEVICE, |
| 105 | }, |
| 106 | #endif |
| 107 | }; |
| 108 | |
| 109 | static void __init realview_pb1176_map_io(void) |
| 110 | { |
| 111 | iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_io_desc)); |
| 112 | } |
| 113 | |
Russell King | eb7fffa | 2009-07-05 22:41:31 +0100 | [diff] [blame] | 114 | static struct pl061_platform_data gpio0_plat_data = { |
| 115 | .gpio_base = 0, |
Russell King | eb7fffa | 2009-07-05 22:41:31 +0100 | [diff] [blame] | 116 | }; |
| 117 | |
| 118 | static struct pl061_platform_data gpio1_plat_data = { |
| 119 | .gpio_base = 8, |
Russell King | eb7fffa | 2009-07-05 22:41:31 +0100 | [diff] [blame] | 120 | }; |
| 121 | |
| 122 | static struct pl061_platform_data gpio2_plat_data = { |
| 123 | .gpio_base = 16, |
Russell King | eb7fffa | 2009-07-05 22:41:31 +0100 | [diff] [blame] | 124 | }; |
| 125 | |
Linus Walleij | d6ada86 | 2010-07-14 23:58:38 +0100 | [diff] [blame] | 126 | static struct pl022_ssp_controller ssp0_plat_data = { |
| 127 | .bus_id = 0, |
| 128 | .enable_dma = 0, |
| 129 | .num_chipselect = 1, |
| 130 | }; |
| 131 | |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 132 | /* |
| 133 | * RealView PB1176 AMBA devices |
| 134 | */ |
| 135 | #define GPIO2_IRQ { IRQ_PB1176_GPIO2, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 136 | #define GPIO3_IRQ { IRQ_PB1176_GPIO3, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 137 | #define AACI_IRQ { IRQ_PB1176_AACI, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 138 | #define MMCI0_IRQ { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 139 | #define KMI0_IRQ { IRQ_PB1176_KMI0, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 140 | #define KMI1_IRQ { IRQ_PB1176_KMI1, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 141 | #define PB1176_SMC_IRQ { NO_IRQ, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 142 | #define MPMC_IRQ { NO_IRQ, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 143 | #define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 144 | #define SCTL_IRQ { NO_IRQ, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 145 | #define PB1176_WATCHDOG_IRQ { IRQ_DC1176_WATCHDOG, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 146 | #define PB1176_GPIO0_IRQ { IRQ_PB1176_GPIO0, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 147 | #define GPIO1_IRQ { IRQ_PB1176_GPIO1, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 148 | #define PB1176_RTC_IRQ { IRQ_DC1176_RTC, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 149 | #define SCI_IRQ { IRQ_PB1176_SCI, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 150 | #define PB1176_UART0_IRQ { IRQ_DC1176_UART0, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 151 | #define PB1176_UART1_IRQ { IRQ_DC1176_UART1, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 152 | #define PB1176_UART2_IRQ { IRQ_DC1176_UART2, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 153 | #define PB1176_UART3_IRQ { IRQ_DC1176_UART3, NO_IRQ } |
Linus Walleij | 48f1d5a | 2010-07-02 10:24:03 +0100 | [diff] [blame] | 154 | #define PB1176_UART4_IRQ { IRQ_PB1176_UART4, NO_IRQ } |
Linus Walleij | d6ada86 | 2010-07-14 23:58:38 +0100 | [diff] [blame] | 155 | #define PB1176_SSP_IRQ { IRQ_DC1176_SSP, NO_IRQ } |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 156 | |
| 157 | /* FPGA Primecells */ |
Linus Walleij | 4321532 | 2009-09-21 12:30:32 +0100 | [diff] [blame] | 158 | AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL); |
| 159 | AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data); |
| 160 | AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL); |
| 161 | AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL); |
Linus Walleij | 48f1d5a | 2010-07-02 10:24:03 +0100 | [diff] [blame] | 162 | AMBA_DEVICE(uart4, "fpga:uart4", PB1176_UART4, NULL); |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 163 | |
| 164 | /* DevChip Primecells */ |
Linus Walleij | 4321532 | 2009-09-21 12:30:32 +0100 | [diff] [blame] | 165 | AMBA_DEVICE(smc, "dev:smc", PB1176_SMC, NULL); |
| 166 | AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL); |
| 167 | AMBA_DEVICE(wdog, "dev:wdog", PB1176_WATCHDOG, NULL); |
| 168 | AMBA_DEVICE(gpio0, "dev:gpio0", PB1176_GPIO0, &gpio0_plat_data); |
| 169 | AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data); |
| 170 | AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data); |
| 171 | AMBA_DEVICE(rtc, "dev:rtc", PB1176_RTC, NULL); |
| 172 | AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL); |
| 173 | AMBA_DEVICE(uart0, "dev:uart0", PB1176_UART0, NULL); |
| 174 | AMBA_DEVICE(uart1, "dev:uart1", PB1176_UART1, NULL); |
| 175 | AMBA_DEVICE(uart2, "dev:uart2", PB1176_UART2, NULL); |
Linus Walleij | 48f1d5a | 2010-07-02 10:24:03 +0100 | [diff] [blame] | 176 | AMBA_DEVICE(uart3, "dev:uart3", PB1176_UART3, NULL); |
Linus Walleij | d6ada86 | 2010-07-14 23:58:38 +0100 | [diff] [blame] | 177 | AMBA_DEVICE(ssp0, "dev:ssp0", PB1176_SSP, &ssp0_plat_data); |
Linus Walleij | 48f1d5a | 2010-07-02 10:24:03 +0100 | [diff] [blame] | 178 | AMBA_DEVICE(clcd, "dev:clcd", PB1176_CLCD, &clcd_plat_data); |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 179 | |
| 180 | static struct amba_device *amba_devs[] __initdata = { |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 181 | &uart0_device, |
| 182 | &uart1_device, |
| 183 | &uart2_device, |
| 184 | &uart3_device, |
Linus Walleij | 48f1d5a | 2010-07-02 10:24:03 +0100 | [diff] [blame] | 185 | &uart4_device, |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 186 | &smc_device, |
| 187 | &clcd_device, |
| 188 | &sctl_device, |
| 189 | &wdog_device, |
| 190 | &gpio0_device, |
| 191 | &gpio1_device, |
| 192 | &gpio2_device, |
| 193 | &rtc_device, |
| 194 | &sci0_device, |
| 195 | &ssp0_device, |
| 196 | &aaci_device, |
| 197 | &mmc0_device, |
| 198 | &kmi0_device, |
| 199 | &kmi1_device, |
| 200 | }; |
| 201 | |
| 202 | /* |
| 203 | * RealView PB1176 platform devices |
| 204 | */ |
Catalin Marinas | af60774 | 2009-05-30 13:56:13 +0100 | [diff] [blame] | 205 | static struct resource realview_pb1176_flash_resources[] = { |
Linus Walleij | 0ec5a95 | 2011-09-06 07:50:20 +0100 | [diff] [blame] | 206 | { |
Catalin Marinas | af60774 | 2009-05-30 13:56:13 +0100 | [diff] [blame] | 207 | .start = REALVIEW_PB1176_FLASH_BASE, |
| 208 | .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, |
| 209 | .flags = IORESOURCE_MEM, |
| 210 | }, |
Linus Walleij | 0ec5a95 | 2011-09-06 07:50:20 +0100 | [diff] [blame] | 211 | #ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH |
| 212 | { |
Catalin Marinas | af60774 | 2009-05-30 13:56:13 +0100 | [diff] [blame] | 213 | .start = REALVIEW_PB1176_SEC_FLASH_BASE, |
| 214 | .end = REALVIEW_PB1176_SEC_FLASH_BASE + REALVIEW_PB1176_SEC_FLASH_SIZE - 1, |
| 215 | .flags = IORESOURCE_MEM, |
| 216 | }, |
Catalin Marinas | af60774 | 2009-05-30 13:56:13 +0100 | [diff] [blame] | 217 | #endif |
Linus Walleij | 0ec5a95 | 2011-09-06 07:50:20 +0100 | [diff] [blame] | 218 | }; |
| 219 | |
| 220 | static struct physmap_flash_data pb1176_rom_pdata = { |
| 221 | .probe_type = "map_rom", |
| 222 | .width = 4, |
| 223 | .nr_parts = 0, |
| 224 | }; |
| 225 | |
| 226 | static struct resource pb1176_rom_resources[] = { |
| 227 | /* |
| 228 | * This exposes the PB1176 DevChip ROM as an MTD ROM mapping. |
| 229 | * The reference manual states that this is actually a pseudo-ROM |
| 230 | * programmed in NVRAM. |
| 231 | */ |
| 232 | { |
| 233 | .start = REALVIEW_DC1176_ROM_BASE, |
| 234 | .end = REALVIEW_DC1176_ROM_BASE + SZ_16K - 1, |
| 235 | .flags = IORESOURCE_MEM, |
| 236 | } |
| 237 | }; |
| 238 | |
| 239 | static struct platform_device pb1176_rom_device = { |
| 240 | .name = "physmap-flash", |
| 241 | .id = -1, |
| 242 | .num_resources = ARRAY_SIZE(pb1176_rom_resources), |
| 243 | .resource = pb1176_rom_resources, |
| 244 | .dev = { |
| 245 | .platform_data = &pb1176_rom_pdata, |
| 246 | }, |
| 247 | }; |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 248 | |
| 249 | static struct resource realview_pb1176_smsc911x_resources[] = { |
| 250 | [0] = { |
| 251 | .start = REALVIEW_PB1176_ETH_BASE, |
| 252 | .end = REALVIEW_PB1176_ETH_BASE + SZ_64K - 1, |
| 253 | .flags = IORESOURCE_MEM, |
| 254 | }, |
| 255 | [1] = { |
| 256 | .start = IRQ_PB1176_ETH, |
| 257 | .end = IRQ_PB1176_ETH, |
| 258 | .flags = IORESOURCE_IRQ, |
| 259 | }, |
| 260 | }; |
| 261 | |
Catalin Marinas | 7db2171 | 2009-02-12 16:00:21 +0100 | [diff] [blame] | 262 | static struct resource realview_pb1176_isp1761_resources[] = { |
| 263 | [0] = { |
| 264 | .start = REALVIEW_PB1176_USB_BASE, |
| 265 | .end = REALVIEW_PB1176_USB_BASE + SZ_128K - 1, |
| 266 | .flags = IORESOURCE_MEM, |
| 267 | }, |
| 268 | [1] = { |
| 269 | .start = IRQ_PB1176_USB, |
| 270 | .end = IRQ_PB1176_USB, |
| 271 | .flags = IORESOURCE_IRQ, |
| 272 | }, |
| 273 | }; |
| 274 | |
Will Deacon | f417cba | 2010-04-15 10:16:26 +0100 | [diff] [blame] | 275 | static struct resource pmu_resource = { |
| 276 | .start = IRQ_DC1176_CORE_PMU, |
| 277 | .end = IRQ_DC1176_CORE_PMU, |
| 278 | .flags = IORESOURCE_IRQ, |
| 279 | }; |
| 280 | |
| 281 | static struct platform_device pmu_device = { |
| 282 | .name = "arm-pmu", |
| 283 | .id = ARM_PMU_DEVICE_CPU, |
| 284 | .num_resources = 1, |
| 285 | .resource = &pmu_resource, |
| 286 | }; |
| 287 | |
Linus Walleij | d161edf | 2010-07-17 12:34:25 +0100 | [diff] [blame] | 288 | static struct resource char_lcd_resources[] = { |
| 289 | { |
| 290 | .start = REALVIEW_CHAR_LCD_BASE, |
| 291 | .end = (REALVIEW_CHAR_LCD_BASE + SZ_4K - 1), |
| 292 | .flags = IORESOURCE_MEM, |
| 293 | }, |
| 294 | { |
| 295 | .start = IRQ_PB1176_CHARLCD, |
| 296 | .end = IRQ_PB1176_CHARLCD, |
| 297 | .flags = IORESOURCE_IRQ, |
| 298 | }, |
| 299 | }; |
| 300 | |
| 301 | static struct platform_device char_lcd_device = { |
| 302 | .name = "arm-charlcd", |
| 303 | .id = -1, |
| 304 | .num_resources = ARRAY_SIZE(char_lcd_resources), |
| 305 | .resource = char_lcd_resources, |
| 306 | }; |
| 307 | |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 308 | static void __init gic_init_irq(void) |
| 309 | { |
| 310 | /* ARM1176 DevChip GIC, primary */ |
Russell King | b580b89 | 2010-12-04 15:55:14 +0000 | [diff] [blame] | 311 | gic_init(0, IRQ_DC1176_GIC_START, |
| 312 | __io_address(REALVIEW_DC1176_GIC_DIST_BASE), |
Russell King | ff2e27a | 2010-12-04 16:13:29 +0000 | [diff] [blame] | 313 | __io_address(REALVIEW_DC1176_GIC_CPU_BASE)); |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 314 | |
| 315 | /* board GIC, secondary */ |
Russell King | b580b89 | 2010-12-04 15:55:14 +0000 | [diff] [blame] | 316 | gic_init(1, IRQ_PB1176_GIC_START, |
| 317 | __io_address(REALVIEW_PB1176_GIC_DIST_BASE), |
| 318 | __io_address(REALVIEW_PB1176_GIC_CPU_BASE)); |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 319 | gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1); |
| 320 | } |
| 321 | |
| 322 | static void __init realview_pb1176_timer_init(void) |
| 323 | { |
| 324 | timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE); |
| 325 | timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20; |
| 326 | timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE); |
| 327 | timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20; |
| 328 | |
| 329 | realview_timer_init(IRQ_DC1176_TIMER0); |
| 330 | } |
| 331 | |
| 332 | static struct sys_timer realview_pb1176_timer = { |
| 333 | .init = realview_pb1176_timer_init, |
| 334 | }; |
| 335 | |
Russell King | 47cacdd4 | 2011-11-03 14:00:13 +0000 | [diff] [blame] | 336 | static void realview_pb1176_restart(char mode, const char *cmd) |
Philby John | 426fcd2 | 2009-10-28 19:09:12 +0100 | [diff] [blame] | 337 | { |
Colin Tuckley | 4c9f8be | 2010-01-11 11:09:15 +0100 | [diff] [blame] | 338 | void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL); |
| 339 | void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK); |
| 340 | __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl); |
| 341 | __raw_writel(REALVIEW_PB1176_SYS_SOFT_RESET, reset_ctrl); |
Russell King | 47cacdd4 | 2011-11-03 14:00:13 +0000 | [diff] [blame] | 342 | dsb(); |
Philby John | 426fcd2 | 2009-10-28 19:09:12 +0100 | [diff] [blame] | 343 | } |
| 344 | |
Russell King | 0744a3e | 2010-12-20 10:37:50 +0000 | [diff] [blame] | 345 | static void realview_pb1176_fixup(struct tag *tags, char **from, |
Catalin Marinas | 5b39d15 | 2009-11-04 12:19:04 +0000 | [diff] [blame] | 346 | struct meminfo *meminfo) |
| 347 | { |
| 348 | /* |
| 349 | * RealView PB1176 only has 128MB of RAM mapped at 0. |
| 350 | */ |
| 351 | meminfo->bank[0].start = 0; |
| 352 | meminfo->bank[0].size = SZ_128M; |
| 353 | meminfo->nr_banks = 1; |
| 354 | } |
| 355 | |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 356 | static void __init realview_pb1176_init(void) |
| 357 | { |
| 358 | int i; |
| 359 | |
Catalin Marinas | ba92795 | 2008-04-18 22:43:17 +0100 | [diff] [blame] | 360 | #ifdef CONFIG_CACHE_L2X0 |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 361 | /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */ |
| 362 | l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); |
Catalin Marinas | ba92795 | 2008-04-18 22:43:17 +0100 | [diff] [blame] | 363 | #endif |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 364 | |
Catalin Marinas | af60774 | 2009-05-30 13:56:13 +0100 | [diff] [blame] | 365 | realview_flash_register(realview_pb1176_flash_resources, |
Linus Walleij | 0ec5a95 | 2011-09-06 07:50:20 +0100 | [diff] [blame] | 366 | ARRAY_SIZE(realview_pb1176_flash_resources)); |
| 367 | platform_device_register(&pb1176_rom_device); |
Catalin Marinas | 0a38133 | 2008-12-01 14:54:58 +0000 | [diff] [blame] | 368 | realview_eth_register(NULL, realview_pb1176_smsc911x_resources); |
Catalin Marinas | 533ad5e | 2009-02-12 15:58:20 +0100 | [diff] [blame] | 369 | platform_device_register(&realview_i2c_device); |
Catalin Marinas | 7db2171 | 2009-02-12 16:00:21 +0100 | [diff] [blame] | 370 | realview_usb_register(realview_pb1176_isp1761_resources); |
Will Deacon | f417cba | 2010-04-15 10:16:26 +0100 | [diff] [blame] | 371 | platform_device_register(&pmu_device); |
Linus Walleij | d161edf | 2010-07-17 12:34:25 +0100 | [diff] [blame] | 372 | platform_device_register(&char_lcd_device); |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 373 | |
| 374 | for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { |
| 375 | struct amba_device *d = amba_devs[i]; |
| 376 | amba_device_register(d, &iomem_resource); |
| 377 | } |
| 378 | |
| 379 | #ifdef CONFIG_LEDS |
| 380 | leds_event = realview_leds_event; |
| 381 | #endif |
| 382 | } |
| 383 | |
| 384 | MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") |
| 385 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ |
Nicolas Pitre | 9ddea57 | 2011-07-05 22:38:16 -0400 | [diff] [blame] | 386 | .atag_offset = 0x100, |
Catalin Marinas | 5b39d15 | 2009-11-04 12:19:04 +0000 | [diff] [blame] | 387 | .fixup = realview_pb1176_fixup, |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 388 | .map_io = realview_pb1176_map_io, |
Russell King | 631e55f | 2011-01-11 13:05:01 +0000 | [diff] [blame] | 389 | .init_early = realview_init_early, |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 390 | .init_irq = gic_init_irq, |
| 391 | .timer = &realview_pb1176_timer, |
Marc Zyngier | 1b99d9c | 2011-09-06 10:23:45 +0100 | [diff] [blame] | 392 | .handle_irq = gic_handle_irq, |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 393 | .init_machine = realview_pb1176_init, |
Nicolas Pitre | 00e9125 | 2011-07-05 22:28:09 -0400 | [diff] [blame] | 394 | #ifdef CONFIG_ZONE_DMA |
| 395 | .dma_zone_size = SZ_256M, |
| 396 | #endif |
Russell King | 47cacdd4 | 2011-11-03 14:00:13 +0000 | [diff] [blame] | 397 | .restart = realview_pb1176_restart, |
Bahadir Balban | a0316b2 | 2008-04-18 22:43:15 +0100 | [diff] [blame] | 398 | MACHINE_END |