X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=include%2Fconfigs%2Fti_armv7_common.h;h=485427276aa7cfbc091a62d08dd02e1a4943704d;hb=facb6725c33498d7f15bc5090aa3f3d6e98a114c;hp=1127b5b6fb172c3f5e34a484aab2139dcc564803;hpb=6dd3b566893a99629771e076dca1ce8db7b77dc1;p=u-boot

diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h
index 1127b5b6fb..485427276a 100644
--- a/include/configs/ti_armv7_common.h
+++ b/include/configs/ti_armv7_common.h
@@ -20,6 +20,7 @@
 /* Common define for many platforms. */
 #define CONFIG_OMAP
 #define CONFIG_OMAP_COMMON
+#define CONFIG_SYS_GENERIC_BOARD
 
 /*
  * We typically do not contain NOR flash.  In the cases where we do, we
@@ -36,8 +37,28 @@
 /*
  * Our DDR memory always starts at 0x80000000 and U-Boot shall have
  * relocated itself to higher in memory by the time this value is used.
+ * However, set this to a 32MB offset to allow for easier Linux kernel
+ * booting as the default is often used as the kernel load address.
  */
-#define CONFIG_SYS_LOAD_ADDR		0x80000000
+#define CONFIG_SYS_LOAD_ADDR		0x82000000
+
+/*
+ * We setup defaults based on constraints from the Linux kernel, which should
+ * also be safe elsewhere.  We have the default load at 32MB into DDR (for
+ * the kernel), FDT above 128MB (the maximum location for the end of the
+ * kernel), and the ramdisk 512KB above that (allowing for hopefully never
+ * seen large trees).  We say all of this must be within the first 256MB
+ * as that will normally be within the kernel lowmem and thus visible via
+ * bootm_size and we only run on platforms with 256MB or more of memory.
+ */
+#define DEFAULT_LINUX_BOOT_ENV \
+	"loadaddr=0x82000000\0" \
+	"kernel_addr_r=0x82000000\0" \
+	"fdtaddr=0x88000000\0" \
+	"fdt_addr_r=0x88000000\0" \
+	"rdaddr=0x88080000\0" \
+	"ramdisk_addr_r=0x88080000\0" \
+	"bootm_size=0x10000000\0"
 
 /*
  * Default to a quick boot delay.
@@ -90,7 +111,9 @@
  */
 #ifdef CONFIG_NAND
 #define CONFIG_NAND_OMAP_GPMC
+#ifndef CONFIG_SYS_NAND_BASE
 #define CONFIG_SYS_NAND_BASE		0x8000000
+#endif
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 #define CONFIG_CMD_NAND
 #endif
@@ -188,12 +211,18 @@
  * We have the SPL malloc pool at the end of the BSS area.
  */
 #define CONFIG_SPL_STACK		CONFIG_SYS_INIT_SP_ADDR
+#ifndef CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_TEXT_BASE		0x80800000
+#endif
+#ifndef CONFIG_SPL_BSS_START_ADDR
 #define CONFIG_SPL_BSS_START_ADDR	0x80a00000
 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
+#endif
+#ifndef CONFIG_SYS_SPL_MALLOC_START
 #define CONFIG_SYS_SPL_MALLOC_START	(CONFIG_SPL_BSS_START_ADDR + \
 					 CONFIG_SPL_BSS_MAX_SIZE)
 #define CONFIG_SYS_SPL_MALLOC_SIZE	CONFIG_SYS_MALLOC_LEN
+#endif
 
 /* RAW SD card / eMMC locations. */
 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
@@ -204,8 +233,6 @@
 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME	"u-boot.img"
 
 #ifdef CONFIG_SPL_OS_BOOT
-#define CONFIG_SYS_SPL_ARGS_ADDR		0x80F80000
-
 /* FAT */
 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME		"uImage"
 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME		"args"