board/pandora/pandora.c

   1 /*
   2  * (C) Copyright 2008
   3  * Grazvydas Ignotas <notasas@gmail.com>
   4  *
   5  * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
   6  *      Richard Woodruff <r-woodruff2@ti.com>
   7  *      Syed Mohammed Khasim <khasim@ti.com>
   8  *      Sunil Kumar <sunilsaini05@gmail.com>
   9  *      Shashi Ranjan <shashiranjanmca05@gmail.com>
  10  *
  11  * (C) Copyright 2004-2008
  12  * Texas Instruments, <www.ti.com>
  13  *
  14  * See file CREDITS for list of people who contributed to this
  15  * project.
  16  *
  17  * This program is free software; you can redistribute it and/or
  18  * modify it under the terms of the GNU General Public License as
  19  * published by the Free Software Foundation; either version 2 of
  20  * the License, or (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program; if not, write to the Free Software
  29  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  30  * MA 02111-1307 USA
  31  */
  32 #include <common.h>
  33 #include <twl4030.h>
  34 #include <asm/io.h>
  35 #include <asm/arch/mux.h>
  36 #include <asm/arch/sys_proto.h>
  37 #include <asm/mach-types.h>
  38 #include "pandora.h"
  39
  40 /*
  41  * Routine: board_init
  42  * Description: Early hardware init.
  43  */
  44 int board_init(void)
  45 {
  46         DECLARE_GLOBAL_DATA_PTR;
  47
  48         gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
  49         /* board id for Linux */
  50         gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
  51         /* boot param addr */
  52         gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
  53
  54         return 0;
  55 }
  56
  57 /*
  58  * Routine: misc_init_r
  59  * Description: Configure board specific parts
  60  */
  61 int misc_init_r(void)
  62 {
  63         struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
  64         struct gpio *gpio4_base = (struct gpio *)OMAP34XX_GPIO4_BASE;
  65         struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
  66         struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
  67
  68         twl4030_power_init();
  69         twl4030_led_init();
  70
  71         /* Configure GPIOs to output */
  72         writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe);
  73         writel(~GPIO22, &gpio4_base->oe);       /* 118 */
  74         writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31),
  75                 &gpio5_base->oe);       /* 128, 129, 156-159 */
  76         writel(~GPIO4, &gpio6_base->oe);        /* 164 */
  77
  78         /* Set GPIOs */
  79         writel(GPIO28, &gpio5_base->setdataout);
  80         writel(GPIO4, &gpio6_base->setdataout);
  81
  82         dieid_num_r();
  83
  84         return 0;
  85 }
  86
  87 /*
  88  * Routine: set_muxconf_regs
  89  * Description: Setting up the configuration Mux registers specific to the
  90  *              hardware. Many pins need to be moved from protect to primary
  91  *              mode.
  92  */
  93 void set_muxconf_regs(void)
  94 {
  95         MUX_PANDORA();
  96 }