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/fpga.h>
  33 #include <asm/arch/gpio.h>
  34 #include <asm/arch/tc.h>
  35 #include <asm/arch/usb.h>
  36 #include <asm/arch/common.h>
  37
  38 static int __initdata innovator_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  39
  40 static struct mtd_partition innovator_partitions[] = {
  41         /* bootloader (U-Boot, etc) in first sector */
  42         {
  43               .name             = "bootloader",
  44               .offset           = 0,
  45               .size             = SZ_128K,
  46               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  47         },
  48         /* bootloader params in the next sector */
  49         {
  50               .name             = "params",
  51               .offset           = MTDPART_OFS_APPEND,
  52               .size             = SZ_128K,
  53               .mask_flags       = 0,
  54         },
  55         /* kernel */
  56         {
  57               .name             = "kernel",
  58               .offset           = MTDPART_OFS_APPEND,
  59               .size             = SZ_2M,
  60               .mask_flags       = 0
  61         },
  62         /* rest of flash1 is a file system */
  63         {
  64               .name             = "rootfs",
  65               .offset           = MTDPART_OFS_APPEND,
  66               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  67               .mask_flags       = 0
  68         },
  69         /* file system */
  70         {
  71               .name             = "filesystem",
  72               .offset           = MTDPART_OFS_APPEND,
  73               .size             = MTDPART_SIZ_FULL,
  74               .mask_flags       = 0
  75         }
  76 };
  77
  78 static struct flash_platform_data innovator_flash_data = {
  79         .map_name       = "cfi_probe",
  80         .width          = 2,
  81         .parts          = innovator_partitions,
  82         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  83 };
  84
  85 static struct resource innovator_flash_resource = {
  86         .start          = OMAP_CS0_PHYS,
  87         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
  88         .flags          = IORESOURCE_MEM,
  89 };
  90
  91 static struct platform_device innovator_flash_device = {
  92         .name           = "omapflash",
  93         .id             = 0,
  94         .dev            = {
  95                 .platform_data  = &innovator_flash_data,
  96         },
  97         .num_resources  = 1,
  98         .resource       = &innovator_flash_resource,
  99 };
 100
 101 #ifdef CONFIG_ARCH_OMAP1510
 102
 103 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 104 static struct map_desc innovator1510_io_desc[] __initdata = {
 105 { OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE,
 106         MT_DEVICE },
 107 };
 108
 109 static struct resource innovator1510_smc91x_resources[] = {
 110         [0] = {
 111                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 112                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 113                 .flags  = IORESOURCE_MEM,
 114         },
 115         [1] = {
 116                 .start  = OMAP1510_INT_ETHER,
 117                 .end    = OMAP1510_INT_ETHER,
 118                 .flags  = IORESOURCE_IRQ,
 119         },
 120 };
 121
 122 static struct platform_device innovator1510_smc91x_device = {
 123         .name           = "smc91x",
 124         .id             = 0,
 125         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 126         .resource       = innovator1510_smc91x_resources,
 127 };
 128
 129 static struct platform_device *innovator1510_devices[] __initdata = {
 130         &innovator_flash_device,
 131         &innovator1510_smc91x_device,
 132 };
 133
 134 #endif /* CONFIG_ARCH_OMAP1510 */
 135
 136 #ifdef CONFIG_ARCH_OMAP16XX
 137
 138 static struct resource innovator1610_smc91x_resources[] = {
 139         [0] = {
 140                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 141                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 142                 .flags  = IORESOURCE_MEM,
 143         },
 144         [1] = {
 145                 .start  = OMAP_GPIO_IRQ(0),
 146                 .end    = OMAP_GPIO_IRQ(0),
 147                 .flags  = IORESOURCE_IRQ,
 148         },
 149 };
 150
 151 static struct platform_device innovator1610_smc91x_device = {
 152         .name           = "smc91x",
 153         .id             = 0,
 154         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 155         .resource       = innovator1610_smc91x_resources,
 156 };
 157
 158 static struct platform_device *innovator1610_devices[] __initdata = {
 159         &innovator_flash_device,
 160         &innovator1610_smc91x_device,
 161 };
 162
 163 #endif /* CONFIG_ARCH_OMAP16XX */
 164
 165 static void __init innovator_init_smc91x(void)
 166 {
 167         if (cpu_is_omap1510()) {
 168                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 169                            OMAP1510_FPGA_RST);
 170                 udelay(750);
 171         } else {
 172                 if ((omap_request_gpio(0)) < 0) {
 173                         printk("Error requesting gpio 0 for smc91x irq\n");
 174                         return;
 175                 }
 176                 omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE);
 177         }
 178 }
 179
 180 void innovator_init_irq(void)
 181 {
 182         omap_init_irq();
 183         omap_gpio_init();
 184 #ifdef CONFIG_ARCH_OMAP1510
 185         if (cpu_is_omap1510()) {
 186                 omap1510_fpga_init_irq();
 187         }
 188 #endif
 189         innovator_init_smc91x();
 190 }
 191
 192 #ifdef CONFIG_ARCH_OMAP1510
 193 static struct omap_usb_config innovator1510_usb_config __initdata = {
 194         /* for bundled non-standard host and peripheral cables */
 195         .hmc_mode       = 4,
 196
 197         .register_host  = 1,
 198         .pins[1]        = 6,
 199         .pins[2]        = 6,            /* Conflicts with UART2 */
 200
 201         .register_dev   = 1,
 202         .pins[0]        = 2,
 203 };
 204 #endif
 205
 206 #ifdef CONFIG_ARCH_OMAP16XX
 207 static struct omap_usb_config h2_usb_config __initdata = {
 208         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 209         .otg            = 2,
 210
 211 #ifdef  CONFIG_USB_GADGET_OMAP
 212         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 213         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 214 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 215         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 216         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 217 #endif
 218
 219         .pins[1]        = 3,
 220 };
 221 #endif
 222
 223 static struct omap_board_config_kernel innovator_config[] = {
 224         { OMAP_TAG_USB,         NULL },
 225 };
 226
 227 static void __init innovator_init(void)
 228 {
 229 #ifdef CONFIG_ARCH_OMAP1510
 230         if (cpu_is_omap1510()) {
 231                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 232         }
 233 #endif
 234 #ifdef CONFIG_ARCH_OMAP16XX
 235         if (!cpu_is_omap1510()) {
 236                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 237         }
 238 #endif
 239
 240 #ifdef CONFIG_ARCH_OMAP1510
 241         if (cpu_is_omap1510())
 242                 innovator_config[0].data = &innovator1510_usb_config;
 243 #endif
 244 #ifdef CONFIG_ARCH_OMAP16XX
 245         if (cpu_is_omap1610())
 246                 innovator_config[0].data = &h2_usb_config;
 247 #endif
 248         omap_board_config = innovator_config;
 249         omap_board_config_size = ARRAY_SIZE(innovator_config);
 250 }
 251
 252 static void __init innovator_map_io(void)
 253 {
 254         omap_map_common_io();
 255
 256 #ifdef CONFIG_ARCH_OMAP1510
 257         if (cpu_is_omap1510()) {
 258                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 259                 udelay(10);     /* Delay needed for FPGA */
 260
 261                 /* Dump the Innovator FPGA rev early - useful info for support. */
 262                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 263                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 264                        fpga_read(OMAP1510_FPGA_REV_LOW),
 265                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 266         }
 267 #endif
 268         omap_serial_init(innovator_serial_ports);
 269 }
 270
 271 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 272         /* Maintainer: MontaVista Software, Inc. */
 273         .phys_ram       = 0x10000000,
 274         .phys_io        = 0xfff00000,
 275         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 276         .boot_params    = 0x10000100,
 277         .map_io         = innovator_map_io,
 278         .init_irq       = innovator_init_irq,
 279         .init_machine   = innovator_init,
 280         .timer          = &omap_timer,
 281 MACHINE_END