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 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
  17 extern void ft_board_pci_setup(void *blob, bd_t *bd);
  18 #endif
  19
  20 /*
  21  * Print out which flash was booted from and if booting from the 2nd flash,
  22  * swap flash chip selects to maintain consistent flash numbering/addresses.
  23  */
  24 static void flash_cs_fixup(void)
  25 {
  26         int flash_sel;
  27
  28         /*
  29          * Print boot dev and swap flash flash chip selects if booted from 2nd
  30          * flash.  Swapping chip selects presents user with a common memory
  31          * map regardless of which flash was booted from.
  32          */
  33         flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
  34                         CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
  35         printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
  36
  37         if (flash_sel) {
  38                 set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
  39                 set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
  40
  41                 set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
  42                 set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
  43         }
  44 }
  45
  46 int board_early_init_r(void)
  47 {
  48         /* Initialize PCA9557 devices */
  49         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
  50         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
  51         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
  52         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
  53
  54         flash_cs_fixup();
  55
  56         return 0;
  57 }
  58
  59 phys_size_t initdram(void)
  60 {
  61         phys_size_t dram_size = fsl_ddr_sdram();
  62
  63 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  64         /* Initialize and enable DDR ECC */
  65         ddr_enable_ecc(dram_size);
  66 #endif
  67
  68         return dram_size;
  69 }
  70
  71 #if defined(CONFIG_OF_BOARD_SETUP)
  72 int ft_board_setup(void *blob, bd_t *bd)
  73 {
  74 #ifdef CONFIG_PCI
  75         ft_board_pci_setup(blob, bd);
  76 #endif
  77         ft_cpu_setup(blob, bd);
  78
  79         return 0;
  80 }
  81 #endif