/* 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
/*
* 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.
#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_CMD_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_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
/* GPIO block */
#define CONFIG_OMAP_GPIO
+#define CONFIG_CMD_GPIO
/*
* GPMC NAND block. We support 1 device and the physical address to
* access CS0 at is 0x8000000.
*/
#ifdef CONFIG_NAND
-#define CONFIG_CMD_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
/*
* we are on so we do not need to rely on the command prompt. We set a
* console baudrate of 115200 and use the default baud rate table.
*/
-#define CONFIG_SYS_MALLOC_LEN (1024 << 10)
-#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_MALLOC_LEN (16 << 20)
#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT "U-Boot# "
+#define CONFIG_SYS_CONSOLE_INFO_QUIET
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */
+#define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
+
+/* As stated above, the following choices are optional. */
+#define CONFIG_SYS_LONGHELP
#define CONFIG_AUTO_COMPLETE
#define CONFIG_CMDLINE_EDITING
-#define CONFIG_SYS_PROMPT "U-Boot# "
#define CONFIG_VERSION_VARIABLE
-#define CONFIG_ENV_VARS_UBOOT_CONFIG
-#define CONFIG_BAUDRATE 115200
/* We set the max number of command args high to avoid HUSH bugs. */
#define CONFIG_SYS_MAXARGS 64
/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
-#define CONFIG_ENV_OVERWRITE
-#define CONFIG_SYS_CONSOLE_INFO_QUIET
-
/*
* When we have SPI, NOR or NAND flash we expect to be making use of
* mtdparts, both for ease of use in U-Boot and for passing information
* useful commands. Note that we must have set CONFIG_SYS_NO_FLASH
* prior to this include, in order to skip a few commands. When we do
* have flash, if we expect these commands they must be enabled in that
- * config.
+ * config. If desired, a specific list of desired commands can be used
+ * instead.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_BOOTZ
+#define CONFIG_SUPPORT_RAW_INITRD
/*
* Common filesystems support. When we have removable storage we
* under common/spl/. Given our generally common memory map, we set a
* number of related defaults and sizes here.
*/
-#ifndef CONFIG_NOR_BOOT
-#define CONFIG_SPL
+#if !defined(CONFIG_NOR_BOOT) && \
+ !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_OS_BOOT
/*
- * Place the image at the start of the ROM defined image space.
- * We limit our size to the ROM-defined downloaded image area, and use the
- * rest of the space for stack. We load U-Boot itself into memory at
- * 0x80800000 for legacy reasons (to not conflict with older SPLs). We
- * have our BSS be placed 1MiB after this, to allow for the default
- * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
- * We have the SPL malloc pool at the end of the BSS area.
+ * Place the image at the start of the ROM defined image space (per
+ * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
+ * downloaded image area. We initalize DRAM as soon as we can so that
+ * we can place stack, malloc and BSS there. We load U-Boot itself into
+ * memory at 0x80800000 for legacy reasons (to not conflict with older
+ * SPLs). We have our BSS be placed 2MiB after this, to allow for the
+ * default Linux kernel address of 0x80008000 to work with most sized
+ * kernels, in the Falcon Mode case. We have the SPL malloc pool at the
+ * end of the BSS area. We place our stack at 32MiB after the start of
+ * DRAM to allow room for all of the above.
*/
-#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
+#define CONFIG_SPL_STACK (CONFIG_SYS_SDRAM_BASE + (32 << 20))
+#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 */
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
/* FAT sd card locations. */
-#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
-#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
+#define CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION 1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
#ifdef CONFIG_SPL_OS_BOOT
-#define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + 0x100)
-
/* FAT */
-#define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage"
-#define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args"
+#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
+#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
/* RAW SD card / eMMC */
#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
-/* NAND */
-#ifdef CONFIG_NAND
-#define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */
-#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
-#endif
-
/* spl export command */
#define CONFIG_CMD_SPL
#endif
#ifdef CONFIG_MMC
+#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SPL_FAT_SUPPORT
#endif
-/* General parts of the framework. */
+/* General parts of the framework, required. */
#define CONFIG_SPL_I2C_SUPPORT
#define CONFIG_SPL_LIBCOMMON_SUPPORT
-#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
#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
#endif /* !CONFIG_NOR_BOOT */