LXR uboot/board/xes/xpedite517x/xpedite517x.c

   1/*
   2 * Copyright 2009 Extreme Engineering Solutions, Inc.
   3 *
   4 * See file CREDITS for list of people who contributed to this
   5 * project.
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License as
   9 * published by the Free Software Foundation; either version 2 of
  10 * the License, or (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20 * MA 02111-1307 USA
  21 */
  22
  23#include <common.h>
  24#include <asm/processor.h>
  25#include <asm/fsl_ddr_sdram.h>
  26#include <asm/mmu.h>
  27#include <asm/io.h>
  28#include <fdt_support.h>
  29#include <pca953x.h>
  30#include "../common/fsl_8xxx_misc.h"
  31
  32#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
  33extern void ft_board_pci_setup(void *blob, bd_t *bd);
  34#endif
  35
  36/*
  37 * Print out which flash was booted from and if booting from the 2nd flash,
  38 * swap flash chip selects to maintain consistent flash numbering/addresses.
  39 */
  40static void flash_cs_fixup(void)
  41{
  42        int flash_sel;
  43
  44        /*
  45         * Print boot dev and swap flash flash chip selects if booted from 2nd
  46         * flash.  Swapping chip selects presents user with a common memory
  47         * map regardless of which flash was booted from.
  48         */
  49        flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
  50                        CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
  51        printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
  52
  53        if (flash_sel) {
  54                set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
  55                set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
  56
  57                set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
  58                set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
  59        }
  60}
  61
  62int board_early_init_r(void)
  63{
  64        /* Initialize PCA9557 devices */
  65        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  66        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
  67        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
  68        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
  69
  70        flash_cs_fixup();
  71
  72        return 0;
  73}
  74
  75phys_size_t initdram(int board_type)
  76{
  77        phys_size_t dram_size = fsl_ddr_sdram();
  78
  79#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  80        /* Initialize and enable DDR ECC */
  81        ddr_enable_ecc(dram_size);
  82#endif
  83
  84        return dram_size;
  85}
  86
  87#if defined(CONFIG_OF_BOARD_SETUP)
  88void ft_board_setup(void *blob, bd_t *bd)
  89{
  90#ifdef CONFIG_PCI
  91        ft_board_pci_setup(blob, bd);
  92#endif
  93        ft_cpu_setup(blob, bd);
  94}
  95#endif
  96
  97#ifdef CONFIG_MP
  98extern void cpu_mp_lmb_reserve(struct lmb *lmb);
  99
 100void board_lmb_reserve(struct lmb *lmb)
 101{
 102        cpu_mp_lmb_reserve(lmb);
 103}
 104#endif
 105