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

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) {