diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/i440bx/northbridge.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c index 3870de866f..59f09193ce 100644 --- a/src/northbridge/intel/i440bx/northbridge.c +++ b/src/northbridge/intel/i440bx/northbridge.c @@ -96,6 +96,7 @@ static void pci_domain_set_resources(device_t dev) pci_tolm = find_pci_tolm(&dev->link[0]); mc_dev = dev->link[0].children; + if (mc_dev) { /* Figure out which areas are/should be occupied by RAM. * 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; printk_debug("Setting RAM size to %d MB\n", tomk >> 10); + /* Compute the top of Low memory */ tolmk = pci_tolm >> 10; if (tolmk >= tomk) { @@ -121,17 +123,12 @@ static void pci_domain_set_resources(device_t dev) */ 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 */ idx = 10; 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]); } |