board/palmld/palmld.c

   1 /*
   2  * Palm LifeDrive Support
   3  *
   4  * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  */
  21
  22 #include <common.h>
  23 #include <command.h>
  24 #include <serial.h>
  25 #include <asm/arch/pxa-regs.h>
  26 #include <asm/arch/pxa.h>
  27 #include <asm/io.h>
  28
  29 DECLARE_GLOBAL_DATA_PTR;
  30
  31 /*
  32  * Miscelaneous platform dependent initialisations
  33  */
  34
  35 int board_init(void)
  36 {
  37         /* We have RAM, disable cache */
  38         dcache_disable();
  39         icache_disable();
  40
  41         /* arch number of PalmLD */
  42         gd->bd->bi_arch_number = MACH_TYPE_PALMLD;
  43
  44         /* adress of boot parameters */
  45         gd->bd->bi_boot_params = 0xa0000100;
  46
  47         /* Set PWM for LCD */
  48         writel(0x7, PWM_CTRL0);
  49         writel(0x16c, PWM_PERVAL0);
  50         writel(0x11a, PWM_PWDUTY0);
  51
  52         return 0;
  53 }
  54
  55 struct serial_device *default_serial_console(void)
  56 {
  57         return &serial_ffuart_device;
  58 }
  59
  60 int dram_init(void)
  61 {
  62         pxa_dram_init();
  63         gd->ram_size = PHYS_SDRAM_1_SIZE;
  64         return 0;
  65 }
  66
  67 void dram_init_banksize(void)
  68 {
  69         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  70         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  71 }
  72
  73 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
  74 {
  75         info->portwidth = FLASH_CFI_16BIT;
  76         info->chipwidth = FLASH_CFI_BY16;
  77         info->interface = FLASH_CFI_X16;
  78         return 1;
  79 }