diff options
| author | Henrik Nordstrom <henrik@henriknordstrom.net> | 2012-10-11 19:16:08 +0400 |
|---|---|---|
| committer | Henrik Nordstrom <henrik@henriknordstrom.net> | 2012-10-11 19:16:08 +0400 |
| commit | ddead1555e4f488f67d97e8885935cb437334cbf (patch) | |
| tree | eccf1ee47f12bc238a375e89991158bd57988ea2 /boot_head.S | |
| parent | 985cea043345e3d8d9263868d82bda91477d2381 (diff) | |
boot_head, a little boot header to work around broken bootloaders
Diffstat (limited to 'boot_head.S')
| -rw-r--r-- | boot_head.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/boot_head.S b/boot_head.S index 22c5a0b..8404ed5 100644 --- a/boot_head.S +++ b/boot_head.S @@ -17,6 +17,21 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA + * + * + * This file is a workaround to broken bootloaders on Allwinner A1x + * platform who do not provide correct machid or atags address + * + * Usage: + * load the header at 0x40007000 and change the entry point of your + * boot process to 0x40007000 + * + * Detailed memory map: + * 0x40000100 atags + * 0x40007000 boot_head (entry point) + * 0x40008000 kernel + * 0x43000000 script.bin + * If you have a ramdisk then load it at some higher address */ _start: |