diff options
| author | Adam Jackson <ajax@redhat.com> | 2008-01-19 15:33:49 -0500 |
|---|---|---|
| committer | Adam Jackson <ajax@redhat.com> | 2008-01-19 15:33:49 -0500 |
| commit | d26b8d50a80b9408565f7daf0ad911bac5f44721 (patch) | |
| tree | 2674a5038d87486f12268717beaba390f096046a /src/mga_driver.c | |
| parent | e3777cafc07500c733b8569b50ce202e346c94bf (diff) | |
Updates to memory sizing on G200SE.
Diffstat (limited to 'src/mga_driver.c')
| -rw-r--r-- | src/mga_driver.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mga_driver.c b/src/mga_driver.c index 2d113e8..abc781d 100644 --- a/src/mga_driver.c +++ b/src/mga_driver.c @@ -969,6 +969,7 @@ MGACountRam(ScrnInfoPtr pScrn) { MGAPtr pMga = MGAPTR(pScrn); int ProbeSize = 8192; + int ProbeSizeOffset = 0x1000; int SizeFound = 2048; CARD32 biosInfo = 0; CARD8 seq1; @@ -1016,6 +1017,7 @@ MGACountRam(ScrnInfoPtr pScrn) case PCI_CHIP_MGAG200_SE_A_PCI: case PCI_CHIP_MGAG200_SE_B_PCI: ProbeSize = 4096; + ProbeSizeOffset = 0x800; break; case PCI_CHIP_MGAG200: case PCI_CHIP_MGAG200_PCI: @@ -1053,9 +1055,16 @@ MGACountRam(ScrnInfoPtr pScrn) base = pMga->FbBase; - /* XXX bad place for this */ if (pMga->is_G200SE) pMga->reg_1e24 = INREG(0x1e24); /* stash the model for later */ + if (pMga->reg_1e24 == 0x01) { + MGAUnmapMem(pScrn); + ProbeSize = 16384; + ProbeSizeOffset = 0x10000; + pMga->FbMapSize = ProbeSize * 1024; + MGAMapMem(pScrn); + base = pMga->FbBase; + } if (pMga->is_G200SE) { OUTREG8(MGAREG_SEQ_INDEX, 0x01); @@ -1087,7 +1096,7 @@ MGACountRam(ScrnInfoPtr pScrn) base[1] = 0; for (Offset = 0x100000; Offset < (ProbeSize * 1024); - Offset += 0x1000) { + Offset += ProbeSizeOffset) { FirstMemoryVal1 = base[Offset]; FirstMemoryVal2 = base[Offset+1]; SecondMemoryVal1 = base[Offset+0x100]; |