diff options
Diffstat (limited to 'src/northbridge/intel/x4x')
| -rw-r--r-- | src/northbridge/intel/x4x/early_init.c | 6 | ||||
| -rw-r--r-- | src/northbridge/intel/x4x/raminit_ddr2.c | 13 |
2 files changed, 16 insertions, 3 deletions
diff --git a/src/northbridge/intel/x4x/early_init.c b/src/northbridge/intel/x4x/early_init.c index ab4864b880..d410259d82 100644 --- a/src/northbridge/intel/x4x/early_init.c +++ b/src/northbridge/intel/x4x/early_init.c @@ -74,7 +74,11 @@ void x4x_early_init(void) get_option(&gfxsize, "gfx_uma_size"); if (gfxsize > 12) gfxsize = 6; - pci_write_config16(d0f0, D0F0_GGC, 0x0100 | (gfxsize + 1) << 4); + /* Need at least 4M for cbmem_top alignment */ + else if (gfxsize < 1) + gfxsize = 1; + /* Set GTT size to 2+2M */ + pci_write_config16(d0f0, D0F0_GGC, 0x0b00 | (gfxsize + 1) << 4); } else { /* Does not feature internal graphics */ pci_write_config32(d0f0, D0F0_DEVEN, D0EN | D1EN | PEG1EN); pci_write_config16(d0f0, D0F0_GGC, (1 << 1)); diff --git a/src/northbridge/intel/x4x/raminit_ddr2.c b/src/northbridge/intel/x4x/raminit_ddr2.c index 04dad085de..ddbcd5b700 100644 --- a/src/northbridge/intel/x4x/raminit_ddr2.c +++ b/src/northbridge/intel/x4x/raminit_ddr2.c @@ -1293,18 +1293,22 @@ static void mmap_ddr2(struct sysinfo *s) bool reclaim; u32 gfxsize, gttsize, tsegsize, mmiosize, tom, tolud, touud; u32 gfxbase, gttbase, tsegbase, reclaimbase, reclaimlimit; + u32 mmiostart, umasizem; u16 ggc; u16 ggc2uma[] = { 0, 1, 4, 8, 16, 32, 48, 64, 128, 256, 96, 160, 224, 352 }; u8 ggc2gtt[] = { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4}; + u8 reg8; ggc = pci_read_config16(PCI_DEV(0, 0, 0), 0x52); gfxsize = ggc2uma[(ggc & 0xf0) >> 4]; gttsize = ggc2gtt[(ggc & 0xf00) >> 8]; - tsegsize = 1; // 1MB TSEG + tsegsize = 8; // 8MB TSEG mmiosize = 0x800; // 2GB MMIO + umasizem = gfxsize + gttsize + tsegsize; + mmiostart = 0x1000 - mmiosize + umasizem; tom = s->channel_capacity[0] + s->channel_capacity[1] - ME_UMA_SIZEMB; - tolud = MIN(0x1000 - mmiosize, tom); + tolud = MIN(mmiostart, tom); reclaim = false; if ((tom - tolud) > 0x40) @@ -1336,6 +1340,11 @@ static void mmap_ddr2(struct sysinfo *s) pci_write_config16(PCI_DEV(0, 0, 0), 0xa2, touud); pci_write_config32(PCI_DEV(0, 0, 0), 0xa4, gfxbase << 20); pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, gttbase << 20); + /* Enable and set tseg size to 8M */ + reg8 = pci_read_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC); + reg8 &= ~0x7; + reg8 |= (2 << 1) | (1 << 0); /* 8M and TSEG_Enable */ + pci_write_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC, reg8); pci_write_config32(PCI_DEV(0, 0, 0), 0xac, tsegbase << 20); } |