board/xes/xpedite5170/xpedite5170.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/mmu.h>
  26 #include <asm/io.h>
  27 #include <fdt_support.h>
  28 #include <pca953x.h>
  29
  30 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
  31 extern void ft_board_pci_setup(void *blob, bd_t *bd);
  32 #endif
  33
  34 int checkboard(void)
  35 {
  36         char *s;
  37
  38         printf("Board: X-ES %s 3U VPX SBC\n", CONFIG_SYS_BOARD_NAME);
  39         printf("       ");
  40         s = getenv("board_rev");
  41         if (s)
  42                 printf("Rev %s, ", s);
  43         s = getenv("serial#");
  44         if (s)
  45                 printf("Serial# %s, ", s);
  46         s = getenv("board_cfg");
  47         if (s)
  48                 printf("Cfg %s", s);
  49         printf("\n");
  50
  51         return 0;
  52 }
  53 /*
  54  * Print out which flash was booted from and if booting from the 2nd flash,
  55  * swap flash chip selects to maintain consistent flash numbering/addresses.
  56  */
  57 static void flash_cs_fixup(void)
  58 {
  59         immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
  60         ccsr_lbc_t *lbc = &immap->im_lbc;
  61         int flash_sel;
  62
  63         /*
  64          * Print boot dev and swap flash flash chip selects if booted from 2nd
  65          * flash.  Swapping chip selects presents user with a common memory
  66          * map regardless of which flash was booted from.
  67          */
  68         flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
  69                         CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
  70         printf("FLASH: Executed from FLASH%d\n", flash_sel ? 2 : 1);
  71
  72         if (flash_sel) {
  73                 out_be32(&lbc->br0, CONFIG_SYS_BR1_PRELIM);
  74                 out_be32(&lbc->or0, CONFIG_SYS_OR1_PRELIM);
  75
  76                 out_be32(&lbc->br1, CONFIG_SYS_BR0_PRELIM);
  77                 out_be32(&lbc->or1, CONFIG_SYS_OR0_PRELIM);
  78         }
  79 }
  80
  81 int board_early_init_r(void)
  82 {
  83         /* Initialize PCA9557 devices */
  84         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  85         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
  86         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
  87         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
  88
  89         flash_cs_fixup();
  90
  91         return 0;
  92 }
  93
  94 #if defined(CONFIG_OF_BOARD_SETUP)
  95 void ft_board_setup(void *blob, bd_t *bd)
  96 {
  97 #ifdef CONFIG_PCI
  98         ft_board_pci_setup(blob, bd);
  99 #endif
 100         ft_cpu_setup(blob, bd);
 101 }
 102 #endif
 103
 104 #ifdef CONFIG_MP
 105 extern void cpu_mp_lmb_reserve(struct lmb *lmb);
 106
 107 void board_lmb_reserve(struct lmb *lmb)
 108 {
 109         cpu_mp_lmb_reserve(lmb);
 110 }
 111 #endif