linux/arch/arm/mach-realview/realview_pb11mp.c
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   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/hardware/gic.h>
  35#include <asm/hardware/icst307.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#include "clock.h"
  49
  50static struct map_desc realview_pb11mp_io_desc[] __initdata = {
  51        {
  52                .virtual        = IO_ADDRESS(REALVIEW_SYS_BASE),
  53                .pfn            = __phys_to_pfn(REALVIEW_SYS_BASE),
  54                .length         = SZ_4K,
  55                .type           = MT_DEVICE,
  56        }, {
  57                .virtual        = IO_ADDRESS(REALVIEW_PB11MP_GIC_CPU_BASE),
  58                .pfn            = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
  59                .length         = SZ_4K,
  60                .type           = MT_DEVICE,
  61        }, {
  62                .virtual        = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
  63                .pfn            = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
  64                .length         = SZ_4K,
  65                .type           = MT_DEVICE,
  66        }, {
  67                .virtual        = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
  68                .pfn            = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
  69                .length         = SZ_4K,
  70                .type           = MT_DEVICE,
  71        }, {
  72                .virtual        = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
  73                .pfn            = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE),
  74                .length         = SZ_4K,
  75                .type           = MT_DEVICE,
  76        }, {
  77                .virtual        = IO_ADDRESS(REALVIEW_SCTL_BASE),
  78                .pfn            = __phys_to_pfn(REALVIEW_SCTL_BASE),
  79                .length         = SZ_4K,
  80                .type           = MT_DEVICE,
  81        }, {
  82                .virtual        = IO_ADDRESS(REALVIEW_PB11MP_TIMER0_1_BASE),
  83                .pfn            = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
  84                .length         = SZ_4K,
  85                .type           = MT_DEVICE,
  86        }, {
  87                .virtual        = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
  88                .pfn            = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
  89                .length         = SZ_4K,
  90                .type           = MT_DEVICE,
  91        }, {
  92                .virtual        = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
  93                .pfn            = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
  94                .length         = SZ_8K,
  95                .type           = MT_DEVICE,
  96        },
  97#ifdef CONFIG_DEBUG_LL
  98        {
  99                .virtual        = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
 100                .pfn            = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
 101                .length         = SZ_4K,
 102                .type           = MT_DEVICE,
 103        },
 104#endif
 105};
 106
 107static void __init realview_pb11mp_map_io(void)
 108{
 109        iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc));
 110}
 111
 112static struct pl061_platform_data gpio0_plat_data = {
 113        .gpio_base      = 0,
 114        .irq_base       = -1,
 115};
 116
 117static struct pl061_platform_data gpio1_plat_data = {
 118        .gpio_base      = 8,
 119        .irq_base       = -1,
 120};
 121
 122static struct pl061_platform_data gpio2_plat_data = {
 123        .gpio_base      = 16,
 124        .irq_base       = -1,
 125};
 126
 127/*
 128 * RealView PB11MPCore AMBA devices
 129 */
 130
 131#define GPIO2_IRQ               { IRQ_PB11MP_GPIO2, NO_IRQ }
 132#define GPIO2_DMA               { 0, 0 }
 133#define GPIO3_IRQ               { IRQ_PB11MP_GPIO3, NO_IRQ }
 134#define GPIO3_DMA               { 0, 0 }
 135#define AACI_IRQ                { IRQ_TC11MP_AACI, NO_IRQ }
 136#define AACI_DMA                { 0x80, 0x81 }
 137#define MMCI0_IRQ               { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
 138#define MMCI0_DMA               { 0x84, 0 }
 139#define KMI0_IRQ                { IRQ_TC11MP_KMI0, NO_IRQ }
 140#define KMI0_DMA                { 0, 0 }
 141#define KMI1_IRQ                { IRQ_TC11MP_KMI1, NO_IRQ }
 142#define KMI1_DMA                { 0, 0 }
 143#define PB11MP_SMC_IRQ          { NO_IRQ, NO_IRQ }
 144#define PB11MP_SMC_DMA          { 0, 0 }
 145#define MPMC_IRQ                { NO_IRQ, NO_IRQ }
 146#define MPMC_DMA                { 0, 0 }
 147#define PB11MP_CLCD_IRQ         { IRQ_PB11MP_CLCD, NO_IRQ }
 148#define PB11MP_CLCD_DMA         { 0, 0 }
 149#define DMAC_IRQ                { IRQ_PB11MP_DMAC, NO_IRQ }
 150#define DMAC_DMA                { 0, 0 }
 151#define SCTL_IRQ                { NO_IRQ, NO_IRQ }
 152#define SCTL_DMA                { 0, 0 }
 153#define PB11MP_WATCHDOG_IRQ     { IRQ_PB11MP_WATCHDOG, NO_IRQ }
 154#define PB11MP_WATCHDOG_DMA     { 0, 0 }
 155#define PB11MP_GPIO0_IRQ        { IRQ_PB11MP_GPIO0, NO_IRQ }
 156#define PB11MP_GPIO0_DMA        { 0, 0 }
 157#define GPIO1_IRQ               { IRQ_PB11MP_GPIO1, NO_IRQ }
 158#define GPIO1_DMA               { 0, 0 }
 159#define PB11MP_RTC_IRQ          { IRQ_TC11MP_RTC, NO_IRQ }
 160#define PB11MP_RTC_DMA          { 0, 0 }
 161#define SCI_IRQ                 { IRQ_PB11MP_SCI, NO_IRQ }
 162#define SCI_DMA                 { 7, 6 }
 163#define PB11MP_UART0_IRQ        { IRQ_TC11MP_UART0, NO_IRQ }
 164#define PB11MP_UART0_DMA        { 15, 14 }
 165#define PB11MP_UART1_IRQ        { IRQ_TC11MP_UART1, NO_IRQ }
 166#define PB11MP_UART1_DMA        { 13, 12 }
 167#define PB11MP_UART2_IRQ        { IRQ_PB11MP_UART2, NO_IRQ }
 168#define PB11MP_UART2_DMA        { 11, 10 }
 169#define PB11MP_UART3_IRQ        { IRQ_PB11MP_UART3, NO_IRQ }
 170#define PB11MP_UART3_DMA        { 0x86, 0x87 }
 171#define PB11MP_SSP_IRQ          { IRQ_PB11MP_SSP, NO_IRQ }
 172#define PB11MP_SSP_DMA          { 9, 8 }
 173
 174/* FPGA Primecells */
 175AMBA_DEVICE(aaci,       "fpga:aaci",    AACI,           NULL);
 176AMBA_DEVICE(mmc0,       "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
 177AMBA_DEVICE(kmi0,       "fpga:kmi0",    KMI0,           NULL);
 178AMBA_DEVICE(kmi1,       "fpga:kmi1",    KMI1,           NULL);
 179AMBA_DEVICE(uart3,      "fpga:uart3",   PB11MP_UART3,   NULL);
 180
 181/* DevChip Primecells */
 182AMBA_DEVICE(smc,        "dev:smc",      PB11MP_SMC,     NULL);
 183AMBA_DEVICE(sctl,       "dev:sctl",     SCTL,           NULL);
 184AMBA_DEVICE(wdog,       "dev:wdog",     PB11MP_WATCHDOG, NULL);
 185AMBA_DEVICE(gpio0,      "dev:gpio0",    PB11MP_GPIO0,   &gpio0_plat_data);
 186AMBA_DEVICE(gpio1,      "dev:gpio1",    GPIO1,          &gpio1_plat_data);
 187AMBA_DEVICE(gpio2,      "dev:gpio2",    GPIO2,          &gpio2_plat_data);
 188AMBA_DEVICE(rtc,        "dev:rtc",      PB11MP_RTC,     NULL);
 189AMBA_DEVICE(sci0,       "dev:sci0",     SCI,            NULL);
 190AMBA_DEVICE(uart0,      "dev:uart0",    PB11MP_UART0,   NULL);
 191AMBA_DEVICE(uart1,      "dev:uart1",    PB11MP_UART1,   NULL);
 192AMBA_DEVICE(uart2,      "dev:uart2",    PB11MP_UART2,   NULL);
 193AMBA_DEVICE(ssp0,       "dev:ssp0",     PB11MP_SSP,     NULL);
 194
 195/* Primecells on the NEC ISSP chip */
 196AMBA_DEVICE(clcd,       "issp:clcd",    PB11MP_CLCD,    &clcd_plat_data);
 197AMBA_DEVICE(dmac,       "issp:dmac",    DMAC,           NULL);
 198
 199static struct amba_device *amba_devs[] __initdata = {
 200        &dmac_device,
 201        &uart0_device,
 202        &uart1_device,
 203        &uart2_device,
 204        &uart3_device,
 205        &smc_device,
 206        &clcd_device,
 207        &sctl_device,
 208        &wdog_device,
 209        &gpio0_device,
 210        &gpio1_device,
 211        &gpio2_device,
 212        &rtc_device,
 213        &sci0_device,
 214        &ssp0_device,
 215        &aaci_device,
 216        &mmc0_device,
 217        &kmi0_device,
 218        &kmi1_device,
 219};
 220
 221/*
 222 * RealView PB11MPCore platform devices
 223 */
 224static struct resource realview_pb11mp_flash_resource[] = {
 225        [0] = {
 226                .start          = REALVIEW_PB11MP_FLASH0_BASE,
 227                .end            = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
 228                .flags          = IORESOURCE_MEM,
 229        },
 230        [1] = {
 231                .start          = REALVIEW_PB11MP_FLASH1_BASE,
 232                .end            = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
 233                .flags          = IORESOURCE_MEM,
 234        },
 235};
 236
 237static struct resource realview_pb11mp_smsc911x_resources[] = {
 238        [0] = {
 239                .start          = REALVIEW_PB11MP_ETH_BASE,
 240                .end            = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
 241                .flags          = IORESOURCE_MEM,
 242        },
 243        [1] = {
 244                .start          = IRQ_TC11MP_ETH,
 245                .end            = IRQ_TC11MP_ETH,
 246                .flags          = IORESOURCE_IRQ,
 247        },
 248};
 249
 250static struct resource realview_pb11mp_isp1761_resources[] = {
 251        [0] = {
 252                .start          = REALVIEW_PB11MP_USB_BASE,
 253                .end            = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
 254                .flags          = IORESOURCE_MEM,
 255        },
 256        [1] = {
 257                .start          = IRQ_TC11MP_USB,
 258                .end            = IRQ_TC11MP_USB,
 259                .flags          = IORESOURCE_IRQ,
 260        },
 261};
 262
 263static void __init gic_init_irq(void)
 264{
 265        unsigned int pldctrl;
 266
 267        /* new irq mode with no DCC */
 268        writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
 269        pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
 270        pldctrl |= 2 << 22;
 271        writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
 272        writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
 273
 274        /* ARM11MPCore test chip GIC, primary */
 275        gic_cpu_base_addr = __io_address(REALVIEW_TC11MP_GIC_CPU_BASE);
 276        gic_dist_init(0, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE), 29);
 277        gic_cpu_init(0, gic_cpu_base_addr);
 278
 279        /* board GIC, secondary */
 280        gic_dist_init(1, __io_address(REALVIEW_PB11MP_GIC_DIST_BASE), IRQ_PB11MP_GIC_START);
 281        gic_cpu_init(1, __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
 282        gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
 283}
 284
 285static void __init realview_pb11mp_timer_init(void)
 286{
 287        timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
 288        timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
 289        timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
 290        timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;
 291
 292#ifdef CONFIG_LOCAL_TIMERS
 293        twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE);
 294#endif
 295        realview_timer_init(IRQ_TC11MP_TIMER0_1);
 296}
 297
 298static struct sys_timer realview_pb11mp_timer = {
 299        .init           = realview_pb11mp_timer_init,
 300};
 301
 302static void realview_pb11mp_reset(char mode)
 303{
 304        void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) +
 305                REALVIEW_SYS_RESETCTL_OFFSET;
 306        unsigned int val;
 307
 308        /*
 309         * To reset, we hit the on-board reset register
 310         * in the system FPGA
 311         */
 312        val = __raw_readl(hdr_ctrl);
 313        val |= REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGCLR;
 314        __raw_writel(val, hdr_ctrl);
 315}
 316
 317static void __init realview_pb11mp_init(void)
 318{
 319        int i;
 320
 321#ifdef CONFIG_CACHE_L2X0
 322        /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
 323         * Bits:  .... ...0 0111 1001 0000 .... .... .... */
 324        l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
 325#endif
 326
 327        realview_flash_register(realview_pb11mp_flash_resource,
 328                                ARRAY_SIZE(realview_pb11mp_flash_resource));
 329        realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
 330        platform_device_register(&realview_i2c_device);
 331        platform_device_register(&realview_cf_device);
 332        realview_usb_register(realview_pb11mp_isp1761_resources);
 333
 334        for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
 335                struct amba_device *d = amba_devs[i];
 336                amba_device_register(d, &iomem_resource);
 337        }
 338
 339#ifdef CONFIG_LEDS
 340        leds_event = realview_leds_event;
 341#endif
 342        realview_reset = realview_pb11mp_reset;
 343}
 344
 345MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
 346        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
 347        .phys_io        = REALVIEW_PB11MP_UART0_BASE,
 348        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
 349        .boot_params    = PHYS_OFFSET + 0x00000100,
 350        .fixup          = realview_fixup,
 351        .map_io         = realview_pb11mp_map_io,
 352        .init_irq       = gic_init_irq,
 353        .timer          = &realview_pb11mp_timer,
 354        .init_machine   = realview_pb11mp_init,
 355MACHINE_END
 356