arch/arm/mach-omap2/board-am3517crane.c

   1 /*
   2  * Support for AM3517/05 Craneboard
   3  * http://www.mistralsolutions.com/products/craneboard.php
   4  *
   5  * Copyright (C) 2010 Mistral Solutions Pvt Ltd. <www.mistralsolutions.com>
   6  * Author: R.Srinath <srinath@mistralsolutions.com>
   7  *
   8  * Based on mach-omap2/board-am3517evm.c
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as  published by the
  12  * Free Software Foundation version 2.
  13  *
  14  * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
  15  * whether express or implied; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  */
  19
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/gpio.h>
  23 #include <linux/mfd/tps65910.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/nand.h>
  26 #include <linux/mtd/partitions.h>
  27
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include "common.h"
  33 #include "common-board-devices.h"
  34 #include "board-flash.h"
  35
  36 #include "am35xx-emac.h"
  37 #include "mux.h"
  38 #include "control.h"
  39
  40 #define GPIO_USB_POWER          35
  41 #define GPIO_USB_NRESET         38
  42
  43 #ifdef CONFIG_OMAP_MUX
  44 static struct omap_board_mux board_mux[] __initdata = {
  45         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
  46         { .reg_offset = OMAP_MUX_TERMINATOR },
  47 };
  48 #endif
  49
  50 static struct usbhs_phy_data phy_data[] __initdata = {
  51         {
  52                 .port = 1,
  53                 .reset_gpio = GPIO_USB_NRESET,
  54                 .vcc_gpio = GPIO_USB_POWER,
  55                 .vcc_polarity = 1,
  56         },
  57 };
  58
  59 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
  60         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  61 };
  62
  63 static struct mtd_partition crane_nand_partitions[] = {
  64         {
  65                 .name           = "X-Loader",
  66                 .offset         = 0,
  67                 .size           = 4 * NAND_BLOCK_SIZE,
  68                 .mask_flags     = MTD_WRITEABLE,
  69         },
  70         {
  71                 .name           = "U-Boot",
  72                 .offset         = MTDPART_OFS_APPEND,
  73                 .size           = 14 * NAND_BLOCK_SIZE,
  74                 .mask_flags     = MTD_WRITEABLE,
  75         },
  76         {
  77                 .name           = "U-Boot Env",
  78                 .offset         = MTDPART_OFS_APPEND,
  79                 .size           = 2 * NAND_BLOCK_SIZE,
  80         },
  81         {
  82                 .name           = "Kernel",
  83                 .offset         = MTDPART_OFS_APPEND,
  84                 .size           = 40 * NAND_BLOCK_SIZE,
  85         },
  86         {
  87                 .name           = "File System",
  88                 .offset         = MTDPART_OFS_APPEND,
  89                 .size           = MTDPART_SIZ_FULL,
  90         },
  91 };
  92
  93 static struct tps65910_board tps65910_pdata = {
  94         .irq = 7 + OMAP_INTC_START,
  95         .en_ck32k_xtal = true,
  96 };
  97
  98 static struct i2c_board_info __initdata tps65910_board_info[] = {
  99         {
 100                 I2C_BOARD_INFO("tps65910", 0x2d),
 101                 .platform_data = &tps65910_pdata,
 102         },
 103 };
 104
 105 static void __init am3517_crane_i2c_init(void)
 106 {
 107         omap_register_i2c_bus(1, 2600, tps65910_board_info,
 108                         ARRAY_SIZE(tps65910_board_info));
 109 }
 110
 111 static void __init am3517_crane_init(void)
 112 {
 113         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 114         omap_serial_init();
 115         omap_sdrc_init(NULL, NULL);
 116         board_nand_init(crane_nand_partitions,
 117                         ARRAY_SIZE(crane_nand_partitions), 0,
 118                         NAND_BUSWIDTH_16, NULL);
 119         am3517_crane_i2c_init();
 120
 121         /* Configure GPIO for EHCI port */
 122         if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
 123                 pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
 124                         GPIO_USB_NRESET);
 125                 return;
 126         }
 127
 128         if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
 129                 pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
 130                         GPIO_USB_POWER);
 131                 return;
 132         }
 133
 134         usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 135         usbhs_init(&usbhs_bdata);
 136         am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
 137 }
 138
 139 MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
 140         .atag_offset    = 0x100,
 141         .reserve        = omap_reserve,
 142         .map_io         = omap3_map_io,
 143         .init_early     = am35xx_init_early,
 144         .init_irq       = omap3_init_irq,
 145         .handle_irq     = omap3_intc_handle_irq,
 146         .init_machine   = am3517_crane_init,
 147         .init_late      = am35xx_init_late,
 148         .init_time      = omap3_sync32k_timer_init,
 149         .restart        = omap3xxx_restart,
 150 MACHINE_END