arch/arm/mach-realview/realview_pb11mp.c

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