Fixup the 440BX northbridge.c (self-ack as this wasn't working anyway).

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2661 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann 2007-05-10 23:59:20 +00:00
parent d03b7d4289
commit f03e4e97ce
1 changed files with 4 additions and 7 deletions

View File

@ -96,6 +96,7 @@ static void pci_domain_set_resources(device_t dev)
pci_tolm = find_pci_tolm(&dev->link[0]); pci_tolm = find_pci_tolm(&dev->link[0]);
mc_dev = dev->link[0].children; mc_dev = dev->link[0].children;
if (mc_dev) { if (mc_dev) {
/* Figure out which areas are/should be occupied by RAM. /* Figure out which areas are/should be occupied by RAM.
* This is all computed in kilobytes and converted to/from * This is all computed in kilobytes and converted to/from
@ -114,6 +115,7 @@ static void pci_domain_set_resources(device_t dev)
*/ */
tomk = ((unsigned long)pci_read_config8(mc_dev, DRB7)) << 13; tomk = ((unsigned long)pci_read_config8(mc_dev, DRB7)) << 13;
printk_debug("Setting RAM size to %d MB\n", tomk >> 10); printk_debug("Setting RAM size to %d MB\n", tomk >> 10);
/* Compute the top of Low memory */ /* Compute the top of Low memory */
tolmk = pci_tolm >> 10; tolmk = pci_tolm >> 10;
if (tolmk >= tomk) { if (tolmk >= tomk) {
@ -121,17 +123,12 @@ static void pci_domain_set_resources(device_t dev)
*/ */
tolmk = tomk; tolmk = tomk;
} }
/* Write the ram configuration registers,
* preserving the reserved bits.
*/
tolm_r = pci_read_config16(mc_dev, 0xc4);
tolm_r = ((tolmk >> 10) << 3) | (tolm_r & 0xf);
pci_write_config16(mc_dev, 0xc4, tolm_r);
/* Report the memory regions */ /* Report the memory regions */
idx = 10; idx = 10;
ram_resource(dev, idx++, 0, 640); ram_resource(dev, idx++, 0, 640);
ram_resource(dev, idx++, 768, tolmk - 768); // ram_resource(dev, idx++, 768, tolmk - 768);
ram_resource(dev, idx++, 1024, tolmk - 1024);
} }
assign_resources(&dev->link[0]); assign_resources(&dev->link[0]);
} }