From d107593691631ff1ae34fbb98d03d5085ed5b07a Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Mon, 27 Apr 2009 20:19:48 +0000 Subject: Add high table support to via vt8454c. Signed-off-by: Patrick Georgi Acked-by: Myles Watson git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4222 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/northbridge/via/cx700/northbridge.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/northbridge') diff --git a/src/northbridge/via/cx700/northbridge.c b/src/northbridge/via/cx700/northbridge.c index dc0c667d10..11c98da2ca 100644 --- a/src/northbridge/via/cx700/northbridge.c +++ b/src/northbridge/via/cx700/northbridge.c @@ -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) { -- cgit v1.2.3