1/* 2 * linux/arch/arm/mach-realview/realview_pb11mp.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/amba/pl061.h> 27#include <linux/amba/mmci.h> 28#include <linux/amba/pl022.h> 29#include <linux/io.h> 30 31#include <mach/hardware.h> 32#include <asm/irq.h> 33#include <asm/leds.h> 34#include <asm/mach-types.h> 35#include <asm/pmu.h> 36#include <asm/pgtable.h> 37#include <asm/hardware/gic.h> 38#include <asm/hardware/cache-l2x0.h> 39#include <asm/localtimer.h> 40 41#include <asm/mach/arch.h> 42#include <asm/mach/flash.h> 43#include <asm/mach/map.h> 44#include <asm/mach/time.h> 45 46#include <mach/board-pb11mp.h> 47#include <mach/irqs.h> 48 49#include "core.h" 50 51static struct map_desc realview_pb11mp_io_desc[] __initdata = { 52 { 53 .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), 54 .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), 55 .length = SZ_4K, 56 .type = MT_DEVICE, 57 }, { 58 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_CPU_BASE), 59 .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE), 60 .length = SZ_4K, 61 .type = MT_DEVICE, 62 }, { 63 .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE), 64 .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE), 65 .length = SZ_4K, 66 .type = MT_DEVICE, 67 }, { 68 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE), 69 .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE), 70 .length = SZ_4K, 71 .type = MT_DEVICE, 72 }, { 73 .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE), 74 .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE), 75 .length = SZ_4K, 76 .type = MT_DEVICE, 77 }, { 78 .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), 79 .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), 80 .length = SZ_4K, 81 .type = MT_DEVICE, 82 }, { 83 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER0_1_BASE), 84 .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE), 85 .length = SZ_4K, 86 .type = MT_DEVICE, 87 }, { 88 .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE), 89 .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE), 90 .length = SZ_4K, 91 .type = MT_DEVICE, 92 }, { 93 .virtual = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE), 94 .pfn = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE), 95 .length = SZ_8K, 96 .type = MT_DEVICE, 97 }, 98#ifdef CONFIG_DEBUG_LL 99 { 100 .virtual = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE), 101 .pfn = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE), 102 .length = SZ_4K, 103 .type = MT_DEVICE, 104 }, 105#endif 106}; 107 108static void __init realview_pb11mp_map_io(void) 109{ 110 iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc)); 111} 112 113static struct pl061_platform_data gpio0_plat_data = { 114 .gpio_base = 0, 115 .irq_base = -1, 116}; 117 118static struct pl061_platform_data gpio1_plat_data = { 119 .gpio_base = 8, 120 .irq_base = -1, 121}; 122 123static struct pl061_platform_data gpio2_plat_data = { 124 .gpio_base = 16, 125 .irq_base = -1, 126}; 127 128static struct pl022_ssp_controller ssp0_plat_data = { 129 .bus_id = 0, 130 .enable_dma = 0, 131 .num_chipselect = 1, 132}; 133 134/* 135 * RealView PB11MPCore AMBA devices 136 */ 137 138#define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ } 139#define GPIO2_DMA { 0, 0 } 140#define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ } 141#define GPIO3_DMA { 0, 0 } 142#define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ } 143#define AACI_DMA { 0x80, 0x81 } 144#define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B } 145#define MMCI0_DMA { 0x84, 0 } 146#define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ } 147#define KMI0_DMA { 0, 0 } 148#define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ } 149#define KMI1_DMA { 0, 0 } 150#define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ } 151#define PB11MP_SMC_DMA { 0, 0 } 152#define MPMC_IRQ { NO_IRQ, NO_IRQ } 153#define MPMC_DMA { 0, 0 } 154#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ } 155#define PB11MP_CLCD_DMA { 0, 0 } 156#define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ } 157#define DMAC_DMA { 0, 0 } 158#define SCTL_IRQ { NO_IRQ, NO_IRQ } 159#define SCTL_DMA { 0, 0 } 160#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ } 161#define PB11MP_WATCHDOG_DMA { 0, 0 } 162#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ } 163#define PB11MP_GPIO0_DMA { 0, 0 } 164#define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ } 165#define GPIO1_DMA { 0, 0 } 166#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ } 167#define PB11MP_RTC_DMA { 0, 0 } 168#define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ } 169#define SCI_DMA { 7, 6 } 170#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ } 171#define PB11MP_UART0_DMA { 15, 14 } 172#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ } 173#define PB11MP_UART1_DMA { 13, 12 } 174#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ } 175#define PB11MP_UART2_DMA { 11, 10 } 176#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ } 177#define PB11MP_UART3_DMA { 0x86, 0x87 } 178#define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ } 179#define PB11MP_SSP_DMA { 9, 8 } 180 181/* FPGA Primecells */ 182AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL); 183AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data); 184AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL); 185AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL); 186AMBA_DEVICE(uart3, "fpga:uart3", PB11MP_UART3, NULL); 187 188/* DevChip Primecells */ 189AMBA_DEVICE(smc, "dev:smc", PB11MP_SMC, NULL); 190AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL); 191AMBA_DEVICE(wdog, "dev:wdog", PB11MP_WATCHDOG, NULL); 192AMBA_DEVICE(gpio0, "dev:gpio0", PB11MP_GPIO0, &gpio0_plat_data); 193AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data); 194AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data); 195AMBA_DEVICE(rtc, "dev:rtc", PB11MP_RTC, NULL); 196AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL); 197AMBA_DEVICE(uart0, "dev:uart0", PB11MP_UART0, NULL); 198AMBA_DEVICE(uart1, "dev:uart1", PB11MP_UART1, NULL); 199AMBA_DEVICE(uart2, "dev:uart2", PB11MP_UART2, NULL); 200AMBA_DEVICE(ssp0, "dev:ssp0", PB11MP_SSP, &ssp0_plat_data); 201 202/* Primecells on the NEC ISSP chip */ 203AMBA_DEVICE(clcd, "issp:clcd", PB11MP_CLCD, &clcd_plat_data); 204AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL); 205 206static struct amba_device *amba_devs[] __initdata = { 207 &dmac_device, 208 &uart0_device, 209 &uart1_device, 210 &uart2_device, 211 &uart3_device, 212 &smc_device, 213 &clcd_device, 214 &sctl_device, 215 &wdog_device, 216 &gpio0_device, 217 &gpio1_device, 218 &gpio2_device, 219 &rtc_device, 220 &sci0_device, 221 &ssp0_device, 222 &aaci_device, 223 &mmc0_device, 224 &kmi0_device, 225 &kmi1_device, 226}; 227 228/* 229 * RealView PB11MPCore platform devices 230 */ 231static struct resource realview_pb11mp_flash_resource[] = { 232 [0] = { 233 .start = REALVIEW_PB11MP_FLASH0_BASE, 234 .end = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1, 235 .flags = IORESOURCE_MEM, 236 }, 237 [1] = { 238 .start = REALVIEW_PB11MP_FLASH1_BASE, 239 .end = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1, 240 .flags = IORESOURCE_MEM, 241 }, 242}; 243 244static struct resource realview_pb11mp_smsc911x_resources[] = { 245 [0] = { 246 .start = REALVIEW_PB11MP_ETH_BASE, 247 .end = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1, 248 .flags = IORESOURCE_MEM, 249 }, 250 [1] = { 251 .start = IRQ_TC11MP_ETH, 252 .end = IRQ_TC11MP_ETH, 253 .flags = IORESOURCE_IRQ, 254 }, 255}; 256 257static struct resource realview_pb11mp_isp1761_resources[] = { 258 [0] = { 259 .start = REALVIEW_PB11MP_USB_BASE, 260 .end = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1, 261 .flags = IORESOURCE_MEM, 262 }, 263 [1] = { 264 .start = IRQ_TC11MP_USB, 265 .end = IRQ_TC11MP_USB, 266 .flags = IORESOURCE_IRQ, 267 }, 268}; 269 270static struct resource pmu_resources[] = { 271 [0] = { 272 .start = IRQ_TC11MP_PMU_CPU0, 273 .end = IRQ_TC11MP_PMU_CPU0, 274 .flags = IORESOURCE_IRQ, 275 }, 276 [1] = { 277 .start = IRQ_TC11MP_PMU_CPU1, 278 .end = IRQ_TC11MP_PMU_CPU1, 279 .flags = IORESOURCE_IRQ, 280 }, 281 [2] = { 282 .start = IRQ_TC11MP_PMU_CPU2, 283 .end = IRQ_TC11MP_PMU_CPU2, 284 .flags = IORESOURCE_IRQ, 285 }, 286 [3] = { 287 .start = IRQ_TC11MP_PMU_CPU3, 288 .end = IRQ_TC11MP_PMU_CPU3, 289 .flags = IORESOURCE_IRQ, 290 }, 291}; 292 293static struct platform_device pmu_device = { 294 .name = "arm-pmu", 295 .id = ARM_PMU_DEVICE_CPU, 296 .num_resources = ARRAY_SIZE(pmu_resources), 297 .resource = pmu_resources, 298}; 299 300static void __init gic_init_irq(void) 301{ 302 unsigned int pldctrl; 303 304 /* new irq mode with no DCC */ 305 writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); 306 pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1); 307 pldctrl |= 2 << 22; 308 writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1); 309 writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); 310 311 /* ARM11MPCore test chip GIC, primary */ 312 gic_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE); 313 gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29); 314 gic_cpu_init(0, gic_cpu_base_addr); 315 316 /* board GIC, secondary */ 317 gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START); 318 gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE)); 319 gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1); 320} 321 322static void __init realview_pb11mp_timer_init(void) 323{ 324 timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE); 325 timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20; 326 timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE); 327 timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20; 328 329#ifdef CONFIG_LOCAL_TIMERS 330 twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE); 331#endif 332 realview_timer_init(IRQ_TC11MP_TIMER0_1); 333} 334 335static struct sys_timer realview_pb11mp_timer = { 336 .init = realview_pb11mp_timer_init, 337}; 338 339static void realview_pb11mp_reset(char mode) 340{ 341 void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL); 342 void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK); 343 344 /* 345 * To reset, we hit the on-board reset register 346 * in the system FPGA 347 */ 348 __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl); 349 __raw_writel(0x0000, reset_ctrl); 350 __raw_writel(0x0004, reset_ctrl); 351} 352 353static void __init realview_pb11mp_init(void) 354{ 355 int i; 356 357#ifdef CONFIG_CACHE_L2X0 358 /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled 359 * Bits: .... ...0 0111 1001 0000 .... .... .... */ 360 l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff); 361#endif 362 363 realview_flash_register(realview_pb11mp_flash_resource, 364 ARRAY_SIZE(realview_pb11mp_flash_resource)); 365 realview_eth_register(NULL, realview_pb11mp_smsc911x_resources); 366 platform_device_register(&realview_i2c_device); 367 platform_device_register(&realview_cf_device); 368 realview_usb_register(realview_pb11mp_isp1761_resources); 369 platform_device_register(&pmu_device); 370 371 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { 372 struct amba_device *d = amba_devs[i]; 373 amba_device_register(d, &iomem_resource); 374 } 375 376#ifdef CONFIG_LEDS 377 leds_event = realview_leds_event; 378#endif 379 realview_reset = realview_pb11mp_reset; 380} 381 382MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore") 383 /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ 384 .phys_io = REALVIEW_PB11MP_UART0_BASE & SECTION_MASK, 385 .io_pg_offst = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc, 386 .boot_params = PHYS_OFFSET + 0x00000100, 387 .fixup = realview_fixup, 388 .map_io = realview_pb11mp_map_io, 389 .init_irq = gic_init_irq, 390 .timer = &realview_pb11mp_timer, 391 .init_machine = realview_pb11mp_init, 392MACHINE_END 393