Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2025-02-27 04:47:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

x86: Make table address selectable

Browse source 
Some firmwares might have another window for generated tables.

So, introduce two configuration options to select start address and
maximum length for the generated tables.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Andy Shevchenko 2017-07-28 20:02:15 +03:00 • committed by Bin Meng
parent 167a40166b
commit c3df28f6e2
2 changed files with 15 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
arch/x86/Kconfig
View file

@ -542,6 +542,19 @@ config VGA_BIOS_ADDR
address of 0xfff90000 indicates that the image will be put at offset address of 0xfff90000 indicates that the image will be put at offset
0x90000 from the beginning of a 1MB flash device. 0x90000 from the beginning of a 1MB flash device.
config ROM_TABLE_ADDR
hex
default 0xf0000
help
All x86 tables happen to like the address range from 0x0f0000
to 0x100000. We use 0xf0000 as the starting address to store
those tables, including PIRQ routing table, Multi-Processor
table and ACPI table.
config ROM_TABLE_SIZE
hex
default 0x10000
menu "System tables" menu "System tables"
depends on !EFI && !SYS_COREBOOT depends on !EFI && !SYS_COREBOOT

9
arch/x86/include/asm/tables.h
View file

@ -9,13 +9,8 @@
#include <tables_csum.h> #include <tables_csum.h>
/* #define ROM_TABLE_ADDR CONFIG_ROM_TABLE_ADDR
* All x86 tables happen to like the address range from 0xf0000 to 0x100000. #define ROM_TABLE_END (CONFIG_ROM_TABLE_ADDR + CONFIG_ROM_TABLE_SIZE - 1)
* We use 0xf0000 as the starting address to store those tables, including
* PIRQ routing table, Multi-Processor table and ACPI table.
*/
#define ROM_TABLE_ADDR 0xf0000
#define ROM_TABLE_END 0xfffff
#define ROM_TABLE_ALIGN 1024 #define ROM_TABLE_ALIGN 1024