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 #include <linux/input.h>
  26
  27 #include <asm/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/flash.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <asm/arch/mux.h>
  34 #include <asm/arch/fpga.h>
  35 #include <asm/arch/gpio.h>
  36 #include <asm/arch/tc.h>
  37 #include <asm/arch/usb.h>
  38 #include <asm/arch/keypad.h>
  39 #include <asm/arch/common.h>
  40
  41 static int innovator_keymap[] = {
  42         KEY(0, 0, KEY_F1),
  43         KEY(0, 3, KEY_DOWN),
  44         KEY(1, 1, KEY_F2),
  45         KEY(1, 2, KEY_RIGHT),
  46         KEY(2, 0, KEY_F3),
  47         KEY(2, 1, KEY_F4),
  48         KEY(2, 2, KEY_UP),
  49         KEY(3, 2, KEY_ENTER),
  50         KEY(3, 3, KEY_LEFT),
  51         0
  52 };
  53
  54 static struct mtd_partition innovator_partitions[] = {
  55         /* bootloader (U-Boot, etc) in first sector */
  56         {
  57               .name             = "bootloader",
  58               .offset           = 0,
  59               .size             = SZ_128K,
  60               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  61         },
  62         /* bootloader params in the next sector */
  63         {
  64               .name             = "params",
  65               .offset           = MTDPART_OFS_APPEND,
  66               .size             = SZ_128K,
  67               .mask_flags       = 0,
  68         },
  69         /* kernel */
  70         {
  71               .name             = "kernel",
  72               .offset           = MTDPART_OFS_APPEND,
  73               .size             = SZ_2M,
  74               .mask_flags       = 0
  75         },
  76         /* rest of flash1 is a file system */
  77         {
  78               .name             = "rootfs",
  79               .offset           = MTDPART_OFS_APPEND,
  80               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  81               .mask_flags       = 0
  82         },
  83         /* file system */
  84         {
  85               .name             = "filesystem",
  86               .offset           = MTDPART_OFS_APPEND,
  87               .size             = MTDPART_SIZ_FULL,
  88               .mask_flags       = 0
  89         }
  90 };
  91
  92 static struct flash_platform_data innovator_flash_data = {
  93         .map_name       = "cfi_probe",
  94         .width          = 2,
  95         .parts          = innovator_partitions,
  96         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  97 };
  98
  99 static struct resource innovator_flash_resource = {
 100         .start          = OMAP_CS0_PHYS,
 101         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 102         .flags          = IORESOURCE_MEM,
 103 };
 104
 105 static struct platform_device innovator_flash_device = {
 106         .name           = "omapflash",
 107         .id             = 0,
 108         .dev            = {
 109                 .platform_data  = &innovator_flash_data,
 110         },
 111         .num_resources  = 1,
 112         .resource       = &innovator_flash_resource,
 113 };
 114
 115 static struct resource innovator_kp_resources[] = {
 116         [0] = {
 117                 .start  = INT_KEYBOARD,
 118                 .end    = INT_KEYBOARD,
 119                 .flags  = IORESOURCE_IRQ,
 120         },
 121 };
 122
 123 static struct omap_kp_platform_data innovator_kp_data = {
 124         .rows   = 8,
 125         .cols   = 8,
 126         .keymap = innovator_keymap,
 127 };
 128
 129 static struct platform_device innovator_kp_device = {
 130         .name           = "omap-keypad",
 131         .id             = -1,
 132         .dev            = {
 133                 .platform_data = &innovator_kp_data,
 134         },
 135         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 136         .resource       = innovator_kp_resources,
 137 };
 138
 139
 140 #ifdef CONFIG_ARCH_OMAP15XX
 141
 142 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 143 static struct map_desc innovator1510_io_desc[] __initdata = {
 144         {
 145                 .virtual        = OMAP1510_FPGA_BASE,
 146                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 147                 .length         = OMAP1510_FPGA_SIZE,
 148                 .type           = MT_DEVICE
 149         }
 150 };
 151
 152 static struct resource innovator1510_smc91x_resources[] = {
 153         [0] = {
 154                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 155                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 156                 .flags  = IORESOURCE_MEM,
 157         },
 158         [1] = {
 159                 .start  = OMAP1510_INT_ETHER,
 160                 .end    = OMAP1510_INT_ETHER,
 161                 .flags  = IORESOURCE_IRQ,
 162         },
 163 };
 164
 165 static struct platform_device innovator1510_smc91x_device = {
 166         .name           = "smc91x",
 167         .id             = 0,
 168         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 169         .resource       = innovator1510_smc91x_resources,
 170 };
 171
 172 static struct platform_device innovator1510_lcd_device = {
 173         .name           = "lcd_inn1510",
 174         .id             = -1,
 175 };
 176
 177 static struct platform_device *innovator1510_devices[] __initdata = {
 178         &innovator_flash_device,
 179         &innovator1510_smc91x_device,
 180         &innovator_kp_device,
 181         &innovator1510_lcd_device,
 182 };
 183
 184 #endif /* CONFIG_ARCH_OMAP15XX */
 185
 186 #ifdef CONFIG_ARCH_OMAP16XX
 187
 188 static struct resource innovator1610_smc91x_resources[] = {
 189         [0] = {
 190                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 191                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 192                 .flags  = IORESOURCE_MEM,
 193         },
 194         [1] = {
 195                 .start  = OMAP_GPIO_IRQ(0),
 196                 .end    = OMAP_GPIO_IRQ(0),
 197                 .flags  = IORESOURCE_IRQ,
 198         },
 199 };
 200
 201 static struct platform_device innovator1610_smc91x_device = {
 202         .name           = "smc91x",
 203         .id             = 0,
 204         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 205         .resource       = innovator1610_smc91x_resources,
 206 };
 207
 208 static struct platform_device innovator1610_lcd_device = {
 209         .name           = "inn1610_lcd",
 210         .id             = -1,
 211 };
 212
 213 static struct platform_device *innovator1610_devices[] __initdata = {
 214         &innovator_flash_device,
 215         &innovator1610_smc91x_device,
 216         &innovator_kp_device,
 217         &innovator1610_lcd_device,
 218 };
 219
 220 #endif /* CONFIG_ARCH_OMAP16XX */
 221
 222 static void __init innovator_init_smc91x(void)
 223 {
 224         if (cpu_is_omap1510()) {
 225                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 226                            OMAP1510_FPGA_RST);
 227                 udelay(750);
 228         } else {
 229                 if ((omap_request_gpio(0)) < 0) {
 230                         printk("Error requesting gpio 0 for smc91x irq\n");
 231                         return;
 232                 }
 233         }
 234 }
 235
 236 void innovator_init_irq(void)
 237 {
 238         omap1_init_common_hw();
 239         omap_init_irq();
 240         omap_gpio_init();
 241 #ifdef CONFIG_ARCH_OMAP15XX
 242         if (cpu_is_omap1510()) {
 243                 omap1510_fpga_init_irq();
 244         }
 245 #endif
 246         innovator_init_smc91x();
 247 }
 248
 249 #ifdef CONFIG_ARCH_OMAP15XX
 250 static struct omap_usb_config innovator1510_usb_config __initdata = {
 251         /* for bundled non-standard host and peripheral cables */
 252         .hmc_mode       = 4,
 253
 254         .register_host  = 1,
 255         .pins[1]        = 6,
 256         .pins[2]        = 6,            /* Conflicts with UART2 */
 257
 258         .register_dev   = 1,
 259         .pins[0]        = 2,
 260 };
 261
 262 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 263         .ctrl_name      = "internal",
 264 };
 265 #endif
 266
 267 #ifdef CONFIG_ARCH_OMAP16XX
 268 static struct omap_usb_config h2_usb_config __initdata = {
 269         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 270         .otg            = 2,
 271
 272 #ifdef  CONFIG_USB_GADGET_OMAP
 273         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 274         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 275 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 276         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 277         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 278 #endif
 279
 280         .pins[1]        = 3,
 281 };
 282
 283 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 284         .ctrl_name      = "internal",
 285 };
 286 #endif
 287
 288 static struct omap_mmc_config innovator_mmc_config __initdata = {
 289         .mmc [0] = {
 290                 .enabled        = 1,
 291                 .wire4          = 1,
 292                 .wp_pin         = OMAP_MPUIO(3),
 293                 .power_pin      = -1,   /* FPGA F3 UIO42 */
 294                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
 295         },
 296 };
 297
 298 static struct omap_uart_config innovator_uart_config __initdata = {
 299         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 300 };
 301
 302 static struct omap_board_config_kernel innovator_config[] = {
 303         { OMAP_TAG_USB,         NULL },
 304         { OMAP_TAG_LCD,         NULL },
 305         { OMAP_TAG_MMC,         &innovator_mmc_config },
 306         { OMAP_TAG_UART,        &innovator_uart_config },
 307 };
 308
 309 static void __init innovator_init(void)
 310 {
 311 #ifdef CONFIG_ARCH_OMAP15XX
 312         if (cpu_is_omap1510()) {
 313                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 314         }
 315 #endif
 316 #ifdef CONFIG_ARCH_OMAP16XX
 317         if (!cpu_is_omap1510()) {
 318                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 319         }
 320 #endif
 321
 322 #ifdef CONFIG_ARCH_OMAP15XX
 323         if (cpu_is_omap1510()) {
 324                 innovator_config[0].data = &innovator1510_usb_config;
 325                 innovator_config[1].data = &innovator1510_lcd_config;
 326         }
 327 #endif
 328 #ifdef CONFIG_ARCH_OMAP16XX
 329         if (cpu_is_omap1610()) {
 330                 innovator_config[0].data = &h2_usb_config;
 331                 innovator_config[1].data = &innovator1610_lcd_config;
 332         }
 333 #endif
 334         omap_board_config = innovator_config;
 335         omap_board_config_size = ARRAY_SIZE(innovator_config);
 336         omap_serial_init();
 337 }
 338
 339 static void __init innovator_map_io(void)
 340 {
 341         omap1_map_common_io();
 342
 343 #ifdef CONFIG_ARCH_OMAP15XX
 344         if (cpu_is_omap1510()) {
 345                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 346                 udelay(10);     /* Delay needed for FPGA */
 347
 348                 /* Dump the Innovator FPGA rev early - useful info for support. */
 349                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 350                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 351                        fpga_read(OMAP1510_FPGA_REV_LOW),
 352                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 353         }
 354 #endif
 355 }
 356
 357 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 358         /* Maintainer: MontaVista Software, Inc. */
 359         .phys_io        = 0xfff00000,
 360         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 361         .boot_params    = 0x10000100,
 362         .map_io         = innovator_map_io,
 363         .init_irq       = innovator_init_irq,
 364         .init_machine   = innovator_init,
 365         .timer          = &omap_timer,
 366 MACHINE_END