board/xes/xpedite517x/xpedite517x.c

   1 /*
   2  * Copyright 2009 Extreme Engineering Solutions, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/processor.h>
   9 #include <fsl_ddr_sdram.h>
  10 #include <asm/mmu.h>
  11 #include <asm/io.h>
  12 #include <fdt_support.h>
  13 #include <pca953x.h>
  14 #include "../common/fsl_8xxx_misc.h"
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
  19 extern void ft_board_pci_setup(void *blob, bd_t *bd);
  20 #endif
  21
  22 /*
  23  * Print out which flash was booted from and if booting from the 2nd flash,
  24  * swap flash chip selects to maintain consistent flash numbering/addresses.
  25  */
  26 static void flash_cs_fixup(void)
  27 {
  28         int flash_sel;
  29
  30         /*
  31          * Print boot dev and swap flash flash chip selects if booted from 2nd
  32          * flash.  Swapping chip selects presents user with a common memory
  33          * map regardless of which flash was booted from.
  34          */
  35         flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
  36                         CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
  37         printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
  38
  39         if (flash_sel) {
  40                 set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
  41                 set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
  42
  43                 set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
  44                 set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
  45         }
  46 }
  47
  48 int board_early_init_r(void)
  49 {
  50         /* Initialize PCA9557 devices */
  51         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  52         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
  53         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
  54         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
  55
  56         flash_cs_fixup();
  57
  58         return 0;
  59 }
  60
  61 int initdram(void)
  62 {
  63         phys_size_t dram_size = fsl_ddr_sdram();
  64
  65 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  66         /* Initialize and enable DDR ECC */
  67         ddr_enable_ecc(dram_size);
  68 #endif
  69
  70         gd->ram_size = dram_size;
  71
  72         return 0;
  73 }
  74
  75 #if defined(CONFIG_OF_BOARD_SETUP)
  76 int ft_board_setup(void *blob, bd_t *bd)
  77 {
  78 #ifdef CONFIG_PCI
  79         ft_board_pci_setup(blob, bd);
  80 #endif
  81         ft_cpu_setup(blob, bd);
  82
  83         return 0;
  84 }
  85 #endif