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

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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 = . ;
}