Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9622
-gerrit
commit acdcdf0cc612c2dd0722cf8c2866cf8da9401258 Author: Denis 'GNUtoo' Carikli GNUtoo@no-log.org Date: Tue Oct 14 07:33:53 2014 +0200
i945/gma: Fix wrong comment about the documentation.
The GTT location is documented in the "309219" datasheet. For instance it can be found in the TOLUD register description.
The 309219 datasheet is for the "Mobile IntelĀ® 945 Express Chipset Family". It was published in 2008.
Change-Id: I75ac095ebc577e031af566963ebffe9ed2587c96 Signed-off-by: Denis 'GNUtoo' Carikli GNUtoo@no-log.org --- src/northbridge/intel/i945/gma.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c index cee0640..e5974c9 100644 --- a/src/northbridge/intel/i945/gma.c +++ b/src/northbridge/intel/i945/gma.c @@ -58,12 +58,7 @@ static int gtt_setup(void *mmiobase)
/* * The Video BIOS places the GTT right below top of memory. - * - * It is not documented in the Intel 945 datasheet, but the Intel - * developers said that it is normally placed there. - * - * TODO: Add option to make the GTT size runtime configurable - */ + */ tom = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), TOLUD) << 24; PGETBL_save = tom - 256 * KiB; PGETBL_save |= PGETBL_ENABLED;