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boot_head, a little boot header to work around broken bootloaders

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This commit is contained in:
Henrik Nordstrom 2012-10-11 17:16:08 +02:00
parent 985cea0433
commit ddead1555e
1 changed files with 15 additions and 0 deletions
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boot_head.S
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@ -17,6 +17,21 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA * 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: _start: