diff options
Diffstat (limited to 'include/configs/ti_armv7_common.h')
| -rw-r--r-- | include/configs/ti_armv7_common.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h index 1127b5b..ec8eec6 100644 --- 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. |