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Add high table support to via vt8454c. 

Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4222 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Patrick Georgi 2009-04-27 20:19:48 +00:00
parent 55faef348a
commit d107593691
3 changed files with 37 additions and 0 deletions
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10
src/mainboard/via/vt8454c/Options.lb
View File

@ -25,6 +25,9 @@ uses IRQ_SLOT_COUNT
uses HAVE_ACPI_TABLES
uses HAVE_OPTION_TABLE
uses USE_OPTION_TABLE
uses HAVE_LOW_TABLES
uses HAVE_HIGH_TABLES
uses HAVE_MAINBOARD_RESOURCES
uses USE_FALLBACK_IMAGE
uses HAVE_FALLBACK_BOOT
@ -139,6 +142,13 @@ default HAVE_ACPI_TABLES=1
##
default HAVE_OPTION_TABLE=1
##
## Build code to fill in tables both in low and high memory
##
default HAVE_LOW_TABLES=1
default HAVE_HIGH_TABLES=1
default HAVE_MAINBOARD_RESOURCES=1
##
## Build code to setup a generic IOAPIC

15
src/mainboard/via/vt8454c/mainboard.c
View File

@ -20,8 +20,23 @@
*/
#include <device/device.h>
#include <boot/tables.h>
#include <console/console.h>
#include "chip.h"
/* in arch/i386/boot/tables.c */
extern uint64_t high_tables_base, high_tables_size;
int add_mainboard_resources(struct lb_memory *mem)
{
#if HAVE_HIGH_TABLES == 1
printk_debug("Adding high table area\n");
lb_add_memory_range(mem, LB_MEM_TABLE,
high_tables_base, high_tables_size);
#endif
return 0;
}
struct chip_operations mainboard_ops = {
CHIP_NAME("VIA VT8454c Mainboard")
};

12
src/northbridge/via/cx700/northbridge.c
View File

@ -87,6 +87,12 @@ static u32 find_pci_tolm(struct bus *bus)
return tolm;
}
#if HAVE_HIGH_TABLES==1
/* maximum size of high tables in KB */
#define HIGH_TABLES_SIZE 64
extern uint64_t high_tables_base, high_tables_size;
#endif
static void pci_domain_set_resources(device_t dev)
{
device_t mc_dev;
@ -117,6 +123,12 @@ static void pci_domain_set_resources(device_t dev)
else
tomk = (((rambits << 6) - (4 << reg) - 1) * 1024);
#if HAVE_HIGH_TABLES == 1
high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024;
high_tables_size = HIGH_TABLES_SIZE* 1024;
printk_debug("tom: %lx, high_tables_base: %llx, high_tables_size: %llx\n", tomk*1024, high_tables_base, high_tables_size);
#endif
/* Compute the top of Low memory */
tolmk = pci_tolm >> 10;
if (tolmk >= tomk) {