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/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 struct mtd_partition innovator_partitions[] = {
  40         /* bootloader (U-Boot, etc) in first sector */
  41         {
  42               .name             = "bootloader",
  43               .offset           = 0,
  44               .size             = SZ_128K,
  45               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  46         },
  47         /* bootloader params in the next sector */
  48         {
  49               .name             = "params",
  50               .offset           = MTDPART_OFS_APPEND,
  51               .size             = SZ_128K,
  52               .mask_flags       = 0,
  53         },
  54         /* kernel */
  55         {
  56               .name             = "kernel",
  57               .offset           = MTDPART_OFS_APPEND,
  58               .size             = SZ_2M,
  59               .mask_flags       = 0
  60         },
  61         /* rest of flash1 is a file system */
  62         {
  63               .name             = "rootfs",
  64               .offset           = MTDPART_OFS_APPEND,
  65               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  66               .mask_flags       = 0
  67         },
  68         /* file system */
  69         {
  70               .name             = "filesystem",
  71               .offset           = MTDPART_OFS_APPEND,
  72               .size             = MTDPART_SIZ_FULL,
  73               .mask_flags       = 0
  74         }
  75 };
  76
  77 static struct flash_platform_data innovator_flash_data = {
  78         .map_name       = "cfi_probe",
  79         .width          = 2,
  80         .parts          = innovator_partitions,
  81         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  82 };
  83
  84 static struct resource innovator_flash_resource = {
  85         .start          = OMAP_CS0_PHYS,
  86         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
  87         .flags          = IORESOURCE_MEM,
  88 };
  89
  90 static struct platform_device innovator_flash_device = {
  91         .name           = "omapflash",
  92         .id             = 0,
  93         .dev            = {
  94                 .platform_data  = &innovator_flash_data,
  95         },
  96         .num_resources  = 1,
  97         .resource       = &innovator_flash_resource,
  98 };
  99
 100 #ifdef CONFIG_ARCH_OMAP15XX
 101
 102 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 103 static struct map_desc innovator1510_io_desc[] __initdata = {
 104 { OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE,
 105         MT_DEVICE },
 106 };
 107
 108 static struct resource innovator1510_smc91x_resources[] = {
 109         [0] = {
 110                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 111                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 112                 .flags  = IORESOURCE_MEM,
 113         },
 114         [1] = {
 115                 .start  = OMAP1510_INT_ETHER,
 116                 .end    = OMAP1510_INT_ETHER,
 117                 .flags  = IORESOURCE_IRQ,
 118         },
 119 };
 120
 121 static struct platform_device innovator1510_smc91x_device = {
 122         .name           = "smc91x",
 123         .id             = 0,
 124         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 125         .resource       = innovator1510_smc91x_resources,
 126 };
 127
 128 static struct platform_device *innovator1510_devices[] __initdata = {
 129         &innovator_flash_device,
 130         &innovator1510_smc91x_device,
 131 };
 132
 133 #endif /* CONFIG_ARCH_OMAP15XX */
 134
 135 #ifdef CONFIG_ARCH_OMAP16XX
 136
 137 static struct resource innovator1610_smc91x_resources[] = {
 138         [0] = {
 139                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 140                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 141                 .flags  = IORESOURCE_MEM,
 142         },
 143         [1] = {
 144                 .start  = OMAP_GPIO_IRQ(0),
 145                 .end    = OMAP_GPIO_IRQ(0),
 146                 .flags  = IORESOURCE_IRQ,
 147         },
 148 };
 149
 150 static struct platform_device innovator1610_smc91x_device = {
 151         .name           = "smc91x",
 152         .id             = 0,
 153         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 154         .resource       = innovator1610_smc91x_resources,
 155 };
 156
 157 static struct platform_device *innovator1610_devices[] __initdata = {
 158         &innovator_flash_device,
 159         &innovator1610_smc91x_device,
 160 };
 161
 162 #endif /* CONFIG_ARCH_OMAP16XX */
 163
 164 static void __init innovator_init_smc91x(void)
 165 {
 166         if (cpu_is_omap1510()) {
 167                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 168                            OMAP1510_FPGA_RST);
 169                 udelay(750);
 170         } else {
 171                 if ((omap_request_gpio(0)) < 0) {
 172                         printk("Error requesting gpio 0 for smc91x irq\n");
 173                         return;
 174                 }
 175         }
 176 }
 177
 178 void innovator_init_irq(void)
 179 {
 180         omap_init_irq();
 181         omap_gpio_init();
 182 #ifdef CONFIG_ARCH_OMAP15XX
 183         if (cpu_is_omap1510()) {
 184                 omap1510_fpga_init_irq();
 185         }
 186 #endif
 187         innovator_init_smc91x();
 188 }
 189
 190 #ifdef CONFIG_ARCH_OMAP15XX
 191 static struct omap_usb_config innovator1510_usb_config __initdata = {
 192         /* for bundled non-standard host and peripheral cables */
 193         .hmc_mode       = 4,
 194
 195         .register_host  = 1,
 196         .pins[1]        = 6,
 197         .pins[2]        = 6,            /* Conflicts with UART2 */
 198
 199         .register_dev   = 1,
 200         .pins[0]        = 2,
 201 };
 202 #endif
 203
 204 #ifdef CONFIG_ARCH_OMAP16XX
 205 static struct omap_usb_config h2_usb_config __initdata = {
 206         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 207         .otg            = 2,
 208
 209 #ifdef  CONFIG_USB_GADGET_OMAP
 210         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 211         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 212 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 213         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 214         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 215 #endif
 216
 217         .pins[1]        = 3,
 218 };
 219 #endif
 220
 221 static struct omap_mmc_config innovator_mmc_config __initdata = {
 222         .mmc [0] = {
 223                 .enabled        = 1,
 224                 .wire4          = 1,
 225                 .wp_pin         = OMAP_MPUIO(3),
 226                 .power_pin      = -1,   /* FPGA F3 UIO42 */
 227                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
 228         },
 229 };
 230
 231 static struct omap_uart_config innovator_uart_config __initdata = {
 232         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 233 };
 234
 235 static struct omap_board_config_kernel innovator_config[] = {
 236         { OMAP_TAG_USB,         NULL },
 237         { OMAP_TAG_MMC,         &innovator_mmc_config },
 238         { OMAP_TAG_UART,        &innovator_uart_config },
 239 };
 240
 241 static void __init innovator_init(void)
 242 {
 243 #ifdef CONFIG_ARCH_OMAP15XX
 244         if (cpu_is_omap1510()) {
 245                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 246         }
 247 #endif
 248 #ifdef CONFIG_ARCH_OMAP16XX
 249         if (!cpu_is_omap1510()) {
 250                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 251         }
 252 #endif
 253
 254 #ifdef CONFIG_ARCH_OMAP15XX
 255         if (cpu_is_omap1510())
 256                 innovator_config[0].data = &innovator1510_usb_config;
 257 #endif
 258 #ifdef CONFIG_ARCH_OMAP16XX
 259         if (cpu_is_omap1610())
 260                 innovator_config[0].data = &h2_usb_config;
 261 #endif
 262         omap_board_config = innovator_config;
 263         omap_board_config_size = ARRAY_SIZE(innovator_config);
 264         omap_serial_init();
 265 }
 266
 267 static void __init innovator_map_io(void)
 268 {
 269         omap_map_common_io();
 270
 271 #ifdef CONFIG_ARCH_OMAP15XX
 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 }
 284
 285 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 286         /* Maintainer: MontaVista Software, Inc. */
 287         .phys_ram       = 0x10000000,
 288         .phys_io        = 0xfff00000,
 289         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 290         .boot_params    = 0x10000100,
 291         .map_io         = innovator_map_io,
 292         .init_irq       = innovator_init_irq,
 293         .init_machine   = innovator_init,
 294         .timer          = &omap_timer,
 295 MACHINE_END