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microblaze: Increase max dtb size to 64K from 32K 

This patch increases max dtb size to 64K from 32K. This fixes the issue  of
kernel hang with larger dtb of size greater than 32KB.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu 2018-02-08 15:32:45 +05:30 committed by Michal Simek
parent 6bf8be7ff7
commit 22648c989c
2 changed files with 2 additions and 2 deletions
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2
arch/microblaze/kernel/head.S
View File

@ -99,7 +99,7 @@ big_endian:
_prepare_copy_fdt:
or r11, r0, r0 /* incremment */
ori r4, r0, TOPHYS(_fdt_start)
ori r3, r0, (0x8000 - 4)
ori r3, r0, (0x10000 - 4)
_copy_fdt:
lw r12, r7, r11 /* r12 = r7 + r11 */
sw r12, r4, r11 /* addr[r4 + r11] = r12 */

2
arch/microblaze/kernel/vmlinux.lds.S
View File

@ -46,7 +46,7 @@ SECTIONS {
__fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
_fdt_start = . ; /* place for fdt blob */
*(__fdt_blob) ; /* Any link-placed DTB */
. = _fdt_start + 0x8000; /* Pad up to 32kbyte */
. = _fdt_start + 0x10000; /* Pad up to 64kbyte */
_fdt_end = . ;
}