ARM: imx6logic: Stop overwriting fdt_file if manually set

[oweals/u-boot.git] / board / freescale / mpc837xerdb / mpc837xerdb.c

diff --git a/board/freescale/mpc837xerdb/mpc837xerdb.c b/board/freescale/mpc837xerdb/mpc837xerdb.c
index c5c2e40833aca0e26147005473b70f40b5877fff..18f396aac8bd50009b9afaba7a0552eedfbfb55f 100644 (file)
--- a/board/freescale/mpc837xerdb/mpc837xerdb.c
+++ b/board/freescale/mpc837xerdb/mpc837xerdb.c
@@ -1,27 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2007 Freescale Semiconductor, Inc.
  * Kevin Lam <kevin.lam@freescale.com>
  * Joe D'Abbraccio <joe.d'abbraccio@freescale.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
  */
 
 #include <common.h>
 #include <hwconfig.h>
 #include <i2c.h>
 #include <asm/io.h>
-#include <asm/fsl_serdes.h>
+#include <asm/fsl_mpc83xx_serdes.h>
 #include <fdt_support.h>
 #include <spd_sdram.h>
 #include <vsc7385.h>
 #include <fsl_esdhc.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #if defined(CONFIG_SYS_DRAM_TEST)
 int
 testdram(void)
@@ -66,13 +61,13 @@ void ddr_enable_ecc(unsigned int dram_size);
 #endif
 int fixed_sdram(void);
 
-phys_size_t initdram(int board_type)
+int dram_init(void)
 {
        immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
        u32 msize = 0;
 
        if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
-               return -1;
+               return -ENXIO;
 
 #if defined(CONFIG_SPD_EEPROM)
        msize = spd_sdram();
@@ -85,7 +80,9 @@ phys_size_t initdram(int board_type)
        ddr_enable_ecc(msize * 1024 * 1024);
 #endif
        /* return total bus DDR size(bytes) */
-       return (msize * 1024 * 1024);
+       gd->ram_size = msize * 1024 * 1024;
+
+       return 0;
 }
 
 #if !defined(CONFIG_SPD_EEPROM)
@@ -98,7 +95,7 @@ int fixed_sdram(void)
        u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
        u32 msize_log2 = __ilog2(msize);
 
-       im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
+       im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & 0xfffff000;
        im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
 
        im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
@@ -172,8 +169,13 @@ int board_early_init_f(void)
 int board_mmc_init(bd_t *bd)
 {
        struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
+       char buffer[HWCONFIG_BUFFER_SIZE] = {0};
+       int esdhc_hwconfig_enabled = 0;
+
+       if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
+               esdhc_hwconfig_enabled = hwconfig_f("esdhc", buffer);
 
-       if (!hwconfig("esdhc"))
+       if (esdhc_hwconfig_enabled == 0)
                return 0;
 
        clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
@@ -205,13 +207,15 @@ int misc_init_r(void)
 
 #if defined(CONFIG_OF_BOARD_SETUP)
 
-void ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, bd_t *bd)
 {
 #ifdef CONFIG_PCI
        ft_pci_setup(blob, bd);
 #endif
        ft_cpu_setup(blob, bd);
-       fdt_fixup_dr_usb(blob, bd);
+       fsl_fdt_fixup_dr_usb(blob, bd);
        fdt_fixup_esdhc(blob, bd);
+
+       return 0;
 }
 #endif /* CONFIG_OF_BOARD_SETUP */