X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Ffreescale%2Fmx53loco%2Fmx53loco.c;h=1298788624f0bd50388e52245ab788b2fe60e45c;hb=946db0cbd01090b35eb1439fa7c4ca7e015fc18b;hp=10e9d36e5199f1863852667e347ba82a4c75f9de;hpb=ec7023db8dc95966919589541f1ca09355a3f7a5;p=oweals%2Fu-boot.git

diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c
index 10e9d36e51..1298788624 100644
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -2,23 +2,7 @@
  * Copyright (C) 2011 Freescale Semiconductor, Inc.
  * Jason Liu <r64343@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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -46,24 +30,41 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int dram_init(void)
+static uint32_t mx53_dram_size[2];
+
+phys_size_t get_effective_memsize(void)
 {
-	u32 size1, size2;
+	/*
+	 * WARNING: We must override get_effective_memsize() function here
+	 * to report only the size of the first DRAM bank. This is to make
+	 * U-Boot relocator place U-Boot into valid memory, that is, at the
+	 * end of the first DRAM bank. If we did not override this function
+	 * like so, U-Boot would be placed at the address of the first DRAM
+	 * bank + total DRAM size - sizeof(uboot), which in the setup where
+	 * each DRAM bank contains 512MiB of DRAM would result in placing
+	 * U-Boot into invalid memory area close to the end of the first
+	 * DRAM bank.
+	 */
+	return mx53_dram_size[0];
+}
 
-	size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
-	size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
+int dram_init(void)
+{
+	mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
+	mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
 
-	gd->ram_size = size1 + size2;
+	gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1];
 
 	return 0;
 }
+
 void dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+	gd->bd->bi_dram[0].size = mx53_dram_size[0];
 
 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
-	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+	gd->bd->bi_dram[1].size = mx53_dram_size[1];
 }
 
 u32 get_board_rev(void)
@@ -185,7 +186,7 @@ int board_mmc_init(bd_t *bis)
 	};
 
 	u32 index;
-	s32 status = 0;
+	int ret;
 
 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 	esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
@@ -204,12 +205,14 @@ int board_mmc_init(bd_t *bis)
 			printf("Warning: you configured more ESDHC controller"
 				"(%d) as supported by the board(2)\n",
 				CONFIG_SYS_FSL_ESDHC_NUM);
-			return status;
+			return -EINVAL;
 		}
-		status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
+		ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
+		if (ret)
+			return ret;
 	}
 
-	return status;
+	return 0;
 }
 #endif
 
@@ -241,6 +244,8 @@ static int power_init(void)
 		if (!p)
 			return -ENODEV;
 
+		setenv("fdt_file", "imx53-qsb.dtb");
+
 		/* Set VDDA to 1.25V */
 		val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
 		ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
@@ -274,7 +279,7 @@ static int power_init(void)
 	}
 
 	if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
-		ret = pmic_init(I2C_PMIC);
+		ret = pmic_init(I2C_0);
 		if (ret)
 			return ret;
 
@@ -282,6 +287,8 @@ static int power_init(void)
 		if (!p)
 			return -ENODEV;
 
+		setenv("fdt_file", "imx53-qsrb.dtb");
+
 		/* Set VDDGP to 1.25V for 1GHz on SW1 */
 		pmic_reg_read(p, REG_SW_0, &val);
 		val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
@@ -359,20 +366,6 @@ int board_early_init_f(void)
 	return 0;
 }
 
-int print_cpuinfo(void)
-{
-	u32 cpurev;
-
-	cpurev = get_cpu_rev();
-	printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
-		(cpurev & 0xFF000) >> 12,
-		(cpurev & 0x000F0) >> 4,
-		(cpurev & 0x0000F) >> 0,
-		mxc_get_clock(MXC_ARM_CLK) / 1000000);
-	printf("Reset cause: %s\n", get_reset_cause());
-	return 0;
-}
-
 /*
  * Do not overwrite the console
  * Use always serial for U-Boot console
@@ -396,7 +389,6 @@ int board_late_init(void)
 {
 	if (!power_init())
 		clock_1GHz();
-	print_cpuinfo();
 
 	return 0;
 }