LXR uboot/board/xes/xpedite5370/xpedite5370.c

   1/*
   2 * Copyright 2008 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 <command.h>
  25#include <asm/processor.h>
  26#include <asm/mmu.h>
  27#include <asm/immap_85xx.h>
  28#include <asm/immap_fsl_pci.h>
  29#include <asm/io.h>
  30#include <asm/cache.h>
  31#include <libfdt.h>
  32#include <fdt_support.h>
  33#include <pca953x.h>
  34
  35DECLARE_GLOBAL_DATA_PTR;
  36
  37extern void ft_board_pci_setup(void *blob, bd_t *bd);
  38
  39int checkboard(void)
  40{
  41        char *s;
  42
  43        printf("Board: X-ES %s 3U VPX SBC\n", CONFIG_SYS_BOARD_NAME);
  44        printf("       ");
  45        s = getenv("board_rev");
  46        if (s)
  47                printf("Rev %s, ", s);
  48        s = getenv("serial#");
  49        if (s)
  50                printf("Serial# %s, ", s);
  51        s = getenv("board_cfg");
  52        if (s)
  53                printf("Cfg %s", s);
  54        printf("\n");
  55
  56        return 0;
  57}
  58
  59static void flash_cs_fixup(void)
  60{
  61        volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
  62        int flash_sel;
  63
  64        /*
  65         * Print boot dev and swap flash flash chip selects if booted from 2nd
  66         * flash.  Swapping chip selects presents user with a common memory
  67         * map regardless of which flash was booted from.
  68         */
  69        flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
  70                        CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
  71        printf("FLASH: Executed from FLASH%d\n", flash_sel ? 2 : 1);
  72
  73        if (flash_sel) {
  74                lbc->br0 = CONFIG_SYS_BR1_PRELIM;
  75                lbc->or0 = CONFIG_SYS_OR1_PRELIM;
  76
  77                lbc->br1 = CONFIG_SYS_BR0_PRELIM;
  78                lbc->or1 = CONFIG_SYS_OR0_PRELIM;
  79        }
  80}
  81
  82int board_early_init_r(void)
  83{
  84        /* Initialize PCA9557 devices */
  85        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  86        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
  87        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  88        pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  89
  90        /*
  91         * Remap NOR flash region to caching-inhibited
  92         * so that flash can be erased/programmed properly.
  93         */
  94
  95        /* Flush d-cache and invalidate i-cache of any FLASH data */
  96        flush_dcache();
  97        invalidate_icache();
  98
  99        /* Invalidate existing TLB entry for NOR flash */
 100        disable_tlb(0);
 101        set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
 102                (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
 103                MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 104                0, 0, BOOKE_PAGESZ_256M, 1);
 105
 106        flash_cs_fixup();
 107
 108        return 0;
 109}
 110
 111#if defined(CONFIG_OF_BOARD_SETUP)
 112void ft_board_setup(void *blob, bd_t *bd)
 113{
 114#ifdef CONFIG_PCI
 115        ft_board_pci_setup(blob, bd);
 116#endif
 117        ft_cpu_setup(blob, bd);
 118}
 119#endif
 120
 121#ifdef CONFIG_MP
 122extern void cpu_mp_lmb_reserve(struct lmb *lmb);
 123
 124void board_lmb_reserve(struct lmb *lmb)
 125{
 126        cpu_mp_lmb_reserve(lmb);
 127}
 128#endif
 129