arch/arm/mach-omap1/board-innovator.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-innovator.c
   3  *
   4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/delay.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25
  26 #include <asm/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/flash.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <asm/arch/mux.h>
  33 #include <asm/arch/fpga.h>
  34 #include <asm/arch/gpio.h>
  35 #include <asm/arch/tc.h>
  36 #include <asm/arch/usb.h>
  37 #include <asm/arch/common.h>
  38
  39 static int __initdata innovator_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  40
  41 static struct mtd_partition innovator_partitions[] = {
  42         /* bootloader (U-Boot, etc) in first sector */
  43         {
  44               .name             = "bootloader",
  45               .offset           = 0,
  46               .size             = SZ_128K,
  47               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  48         },
  49         /* bootloader params in the next sector */
  50         {
  51               .name             = "params",
  52               .offset           = MTDPART_OFS_APPEND,
  53               .size             = SZ_128K,
  54               .mask_flags       = 0,
  55         },
  56         /* kernel */
  57         {
  58               .name             = "kernel",
  59               .offset           = MTDPART_OFS_APPEND,
  60               .size             = SZ_2M,
  61               .mask_flags       = 0
  62         },
  63         /* rest of flash1 is a file system */
  64         {
  65               .name             = "rootfs",
  66               .offset           = MTDPART_OFS_APPEND,
  67               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  68               .mask_flags       = 0
  69         },
  70         /* file system */
  71         {
  72               .name             = "filesystem",
  73               .offset           = MTDPART_OFS_APPEND,
  74               .size             = MTDPART_SIZ_FULL,
  75               .mask_flags       = 0
  76         }
  77 };
  78
  79 static struct flash_platform_data innovator_flash_data = {
  80         .map_name       = "cfi_probe",
  81         .width          = 2,
  82         .parts          = innovator_partitions,
  83         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  84 };
  85
  86 static struct resource innovator_flash_resource = {
  87         .start          = OMAP_CS0_PHYS,
  88         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
  89         .flags          = IORESOURCE_MEM,
  90 };
  91
  92 static struct platform_device innovator_flash_device = {
  93         .name           = "omapflash",
  94         .id             = 0,
  95         .dev            = {
  96                 .platform_data  = &innovator_flash_data,
  97         },
  98         .num_resources  = 1,
  99         .resource       = &innovator_flash_resource,
 100 };
 101
 102 #ifdef CONFIG_ARCH_OMAP1510
 103
 104 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 105 static struct map_desc innovator1510_io_desc[] __initdata = {
 106         {
 107                 .virtual        = OMAP1510_FPGA_BASE,
 108                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 109                 .length         = OMAP1510_FPGA_SIZE,
 110                 .type           = MT_DEVICE
 111         }
 112 };
 113
 114 static struct resource innovator1510_smc91x_resources[] = {
 115         [0] = {
 116                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 117                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 118                 .flags  = IORESOURCE_MEM,
 119         },
 120         [1] = {
 121                 .start  = OMAP1510_INT_ETHER,
 122                 .end    = OMAP1510_INT_ETHER,
 123                 .flags  = IORESOURCE_IRQ,
 124         },
 125 };
 126
 127 static struct platform_device innovator1510_smc91x_device = {
 128         .name           = "smc91x",
 129         .id             = 0,
 130         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 131         .resource       = innovator1510_smc91x_resources,
 132 };
 133
 134 static struct platform_device *innovator1510_devices[] __initdata = {
 135         &innovator_flash_device,
 136         &innovator1510_smc91x_device,
 137 };
 138
 139 #endif /* CONFIG_ARCH_OMAP1510 */
 140
 141 #ifdef CONFIG_ARCH_OMAP16XX
 142
 143 static struct resource innovator1610_smc91x_resources[] = {
 144         [0] = {
 145                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 146                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 147                 .flags  = IORESOURCE_MEM,
 148         },
 149         [1] = {
 150                 .start  = OMAP_GPIO_IRQ(0),
 151                 .end    = OMAP_GPIO_IRQ(0),
 152                 .flags  = IORESOURCE_IRQ,
 153         },
 154 };
 155
 156 static struct platform_device innovator1610_smc91x_device = {
 157         .name           = "smc91x",
 158         .id             = 0,
 159         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 160         .resource       = innovator1610_smc91x_resources,
 161 };
 162
 163 static struct platform_device *innovator1610_devices[] __initdata = {
 164         &innovator_flash_device,
 165         &innovator1610_smc91x_device,
 166 };
 167
 168 #endif /* CONFIG_ARCH_OMAP16XX */
 169
 170 static void __init innovator_init_smc91x(void)
 171 {
 172         if (cpu_is_omap1510()) {
 173                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 174                            OMAP1510_FPGA_RST);
 175                 udelay(750);
 176         } else {
 177                 if ((omap_request_gpio(0)) < 0) {
 178                         printk("Error requesting gpio 0 for smc91x irq\n");
 179                         return;
 180                 }
 181         }
 182 }
 183
 184 void innovator_init_irq(void)
 185 {
 186         omap_init_irq();
 187         omap_gpio_init();
 188 #ifdef CONFIG_ARCH_OMAP1510
 189         if (cpu_is_omap1510()) {
 190                 omap1510_fpga_init_irq();
 191         }
 192 #endif
 193         innovator_init_smc91x();
 194 }
 195
 196 #ifdef CONFIG_ARCH_OMAP1510
 197 static struct omap_usb_config innovator1510_usb_config __initdata = {
 198         /* for bundled non-standard host and peripheral cables */
 199         .hmc_mode       = 4,
 200
 201         .register_host  = 1,
 202         .pins[1]        = 6,
 203         .pins[2]        = 6,            /* Conflicts with UART2 */
 204
 205         .register_dev   = 1,
 206         .pins[0]        = 2,
 207 };
 208 #endif
 209
 210 #ifdef CONFIG_ARCH_OMAP16XX
 211 static struct omap_usb_config h2_usb_config __initdata = {
 212         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 213         .otg            = 2,
 214
 215 #ifdef  CONFIG_USB_GADGET_OMAP
 216         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 217         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 218 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 219         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 220         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 221 #endif
 222
 223         .pins[1]        = 3,
 224 };
 225 #endif
 226
 227 static struct omap_mmc_config innovator_mmc_config __initdata = {
 228         .mmc [0] = {
 229                 .enabled        = 1,
 230                 .wire4          = 1,
 231                 .wp_pin         = OMAP_MPUIO(3),
 232                 .power_pin      = -1,   /* FPGA F3 UIO42 */
 233                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
 234         },
 235 };
 236
 237 static struct omap_board_config_kernel innovator_config[] = {
 238         { OMAP_TAG_USB,         NULL },
 239         { OMAP_TAG_MMC,         &innovator_mmc_config },
 240 };
 241
 242 static void __init innovator_init(void)
 243 {
 244 #ifdef CONFIG_ARCH_OMAP1510
 245         if (cpu_is_omap1510()) {
 246                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 247         }
 248 #endif
 249 #ifdef CONFIG_ARCH_OMAP16XX
 250         if (!cpu_is_omap1510()) {
 251                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 252         }
 253 #endif
 254
 255 #ifdef CONFIG_ARCH_OMAP1510
 256         if (cpu_is_omap1510())
 257                 innovator_config[0].data = &innovator1510_usb_config;
 258 #endif
 259 #ifdef CONFIG_ARCH_OMAP16XX
 260         if (cpu_is_omap1610())
 261                 innovator_config[0].data = &h2_usb_config;
 262 #endif
 263         omap_board_config = innovator_config;
 264         omap_board_config_size = ARRAY_SIZE(innovator_config);
 265 }
 266
 267 static void __init innovator_map_io(void)
 268 {
 269         omap_map_common_io();
 270
 271 #ifdef CONFIG_ARCH_OMAP1510
 272         if (cpu_is_omap1510()) {
 273                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 274                 udelay(10);     /* Delay needed for FPGA */
 275
 276                 /* Dump the Innovator FPGA rev early - useful info for support. */
 277                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 278                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 279                        fpga_read(OMAP1510_FPGA_REV_LOW),
 280                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 281         }
 282 #endif
 283         omap_serial_init(innovator_serial_ports);
 284 }
 285
 286 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 287         /* Maintainer: MontaVista Software, Inc. */
 288         .phys_ram       = 0x10000000,
 289         .phys_io        = 0xfff00000,
 290         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 291         .boot_params    = 0x10000100,
 292         .map_io         = innovator_map_io,
 293         .init_irq       = innovator_init_irq,
 294         .init_machine   = innovator_init,
 295         .timer          = &omap_timer,
 296 MACHINE_END