TI: Add, use a DEFAULT_LINUX_BOOT_ENV environment string

[karo-tx-uboot.git] / include / configs / ti_armv7_common.h

diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h
index 13ed8751358f583540e1212434375ee743c25899..ec8eec60a9679e27bf22d632151de357d6aed2c7 100644 (file)
--- a/include/configs/ti_armv7_common.h
+++ b/include/configs/ti_armv7_common.h
@@ -36,8 +36,28 @@
 /*
  * 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.
@@ -45,27 +65,29 @@
 #define CONFIG_BOOTDELAY               1
 
 /*
- * DDR information.  We say (for simplicity) that we have 1 bank,
- * always, even when we have more.  We always start at 0x80000000,
- * and we place the initial stack pointer in our SRAM.
+ * DDR information.  If the CONFIG_NR_DRAM_BANKS is not defined,
+ * we say (for simplicity) that we have 1 bank, always, even when
+ * we have more.  We always start at 0x80000000, and we place the
+ * initial stack pointer in our SRAM. Otherwise, we can define
+ * CONFIG_NR_DRAM_BANKS before including this file.
  */
+#ifndef CONFIG_NR_DRAM_BANKS
 #define CONFIG_NR_DRAM_BANKS           1
+#endif
 #define CONFIG_SYS_SDRAM_BASE          0x80000000
 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
                                                GENERATED_GBL_DATA_SIZE)
 
 /* Timer information. */
 #define CONFIG_SYS_PTV                 2       /* Divisor: 2^(PTV+1) => 8 */
-#define CONFIG_SYS_HZ                  1000    /* 1ms clock */
 
 /* I2C IP block */
 #define CONFIG_I2C
-#define CONFIG_HARD_I2C
-#define CONFIG_SYS_I2C_SPEED           100000
-#define CONFIG_SYS_I2C_SLAVE           1
-#define CONFIG_I2C_MULTI_BUS
-#define CONFIG_DRIVER_OMAP24XX_I2C
 #define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_OMAP24_I2C_SPEED    100000
+#define CONFIG_SYS_OMAP24_I2C_SLAVE    1
+#define CONFIG_SYS_I2C_OMAP24XX
 
 /* MMC/SD IP block */
 #define CONFIG_MMC
@@ -239,11 +261,11 @@
 #define CONFIG_SPL_BOARD_INIT
 
 #ifdef CONFIG_NAND
-#define CONFIG_SPL_NAND_AM33XX_BCH     /* OMAP4 and later ELM support */
 #define CONFIG_SPL_NAND_SUPPORT
 #define CONFIG_SPL_NAND_BASE
 #define CONFIG_SPL_NAND_DRIVERS
 #define CONFIG_SPL_NAND_ECC
+#define CONFIG_SPL_MTD_SUPPORT
 #define CONFIG_SYS_NAND_U_BOOT_START   CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_NAND_U_BOOT_OFFS    0x80000
 #endif