-
- /* New let's set the memory map ... */
- if (dev_priv->new_memmap) {
- u32 base = 0;
-
- DRM_INFO("Setting GART location based on new memory map\n");
-
- /* If using AGP, try to locate the AGP aperture at the same
- * location in the card and on the bus, though we have to
- * align it down.
- */
-#if __OS_HAS_AGP
- if (dev_priv->flags & CHIP_IS_AGP) {
- base = dev->agp->base;
- /* Check if valid */
- if ((base + dev_priv->gart_size) > dev_priv->fb_location &&
- base < (dev_priv->fb_location + dev_priv->fb_size)) {
- DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
- dev->agp->base);
- base = 0;
- }
- }
-#endif
- /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
- if (base == 0) {
- base = dev_priv->fb_location + dev_priv->fb_size;
- if (((base + dev_priv->gart_size) & 0xfffffffful)
- < base)
- base = dev_priv->fb_location
- - dev_priv->gart_size;
- }
- dev_priv->gart_vm_start = base & 0xffc00000u;
- if (dev_priv->gart_vm_start != base)
- DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
- base, dev_priv->gart_vm_start);
- } else {
- DRM_INFO("Setting GART location based on old memory map\n");
- dev_priv->gart_vm_start = dev_priv->fb_location +
- RADEON_READ(RADEON_CONFIG_APER_SIZE);
- }