Author: rnoland Date: Sat Nov 29 17:33:38 2008 New Revision: 185443 URL: http://svn.freebsd.org/changeset/base/185443
Log: MFC r183555: Correctly handle Intel g33 chips and add support for g45 chips. g33 based chips use a different method of identifying the gtt size. g45 based chips gtt is located in a different area of stolen memory. Approved by: re@ (kensmith) Modified: stable/7/sys/ (props changed) stable/7/sys/pci/agp_i810.c stable/7/sys/pci/agpreg.h Modified: stable/7/sys/pci/agp_i810.c ============================================================================== --- stable/7/sys/pci/agp_i810.c Sat Nov 29 17:14:06 2008 (r185442) +++ stable/7/sys/pci/agp_i810.c Sat Nov 29 17:33:38 2008 (r185443) @@ -70,6 +70,7 @@ enum { CHIP_I915, /* 915G/915GM */ CHIP_I965, /* G965 */ CHIP_G33, /* G33/Q33/Q35 */ + CHIP_G4X, /* G45/Q45 */ }; /* The i810 through i855 have the registers at BAR 1, and the GATT gets @@ -133,7 +134,7 @@ static const struct agp_i810_match { {0x25628086, CHIP_I830, 0x00020000, "Intel 82845M (845M GMCH) SVGA controller"}, {0x35828086, CHIP_I855, 0x00020000, - "Intel 82852/5"}, + "Intel 82852/855GM SVGA controller"}, {0x25728086, CHIP_I855, 0x00020000, "Intel 82865G (865G GMCH) SVGA controller"}, {0x25828086, CHIP_I915, 0x00020000, @@ -154,18 +155,26 @@ static const struct agp_i810_match { "Intel G965 SVGA controller"}, {0x29928086, CHIP_I965, 0x00020000, "Intel Q965 SVGA controller"}, - {0x29a28086, CHIP_I965, 0x00020000, + {0x29A28086, CHIP_I965, 0x00020000, "Intel G965 SVGA controller"}, - {0x29b28086, CHIP_G33, 0x00020000, + {0x29B28086, CHIP_G33, 0x00020000, "Intel Q35 SVGA controller"}, - {0x29c28086, CHIP_G33, 0x00020000, + {0x29C28086, CHIP_G33, 0x00020000, "Intel G33 SVGA controller"}, - {0x29d28086, CHIP_G33, 0x00020000, + {0x29D28086, CHIP_G33, 0x00020000, "Intel Q33 SVGA controller"}, - {0x2a028086, CHIP_I965, 0x00020000, + {0x2A028086, CHIP_I965, 0x00020000, "Intel GM965 SVGA controller"}, - {0x2a128086, CHIP_I965, 0x00020000, + {0x2A128086, CHIP_I965, 0x00020000, "Intel GME965 SVGA controller"}, + {0x2A428086, CHIP_I965, 0x00020000, + "Intel GM45 SVGA controller"}, + {0x2E028086, CHIP_G4X, 0x00020000, + "Intel 4 Series SVGA controller"}, + {0x2E128086, CHIP_G4X, 0x00020000, + "Intel Q45 SVGA controller"}, + {0x2E228086, CHIP_G4X, 0x00020000, + "Intel G45 SVGA controller"}, {0, 0, 0, NULL} }; @@ -377,6 +386,7 @@ agp_i810_attach(device_t dev) agp_set_aperture_resource(dev, AGP_I915_GMADR); break; case CHIP_I965: + case CHIP_G4X: sc->sc_res_spec = agp_i965_res_spec; agp_set_aperture_resource(dev, AGP_I915_GMADR); break; @@ -476,7 +486,8 @@ agp_i810_attach(device_t dev) gatt->ag_physical = pgtblctl & ~1; } else if (sc->chiptype == CHIP_I855 || sc->chiptype == CHIP_I915 || - sc->chiptype == CHIP_I965 || sc->chiptype == CHIP_G33) { + sc->chiptype == CHIP_I965 || sc->chiptype == CHIP_G33 || + sc->chiptype == CHIP_G4X) { unsigned int gcc1, pgtblctl, stolen, gtt_size; /* Stolen memory is set up at the beginning of the aperture by @@ -491,7 +502,6 @@ agp_i810_attach(device_t dev) gtt_size = 256; break; case CHIP_I965: - case CHIP_G33: switch (bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL) & AGP_I810_PGTBL_SIZE_MASK) { case AGP_I810_PGTBL_SIZE_128KB: @@ -503,6 +513,33 @@ agp_i810_attach(device_t dev) case AGP_I810_PGTBL_SIZE_512KB: gtt_size = 512; break; + case AGP_I965_PGTBL_SIZE_1MB: + gtt_size = 1024; + break; + case AGP_I965_PGTBL_SIZE_2MB: + gtt_size = 2048; + break; + case AGP_I965_PGTBL_SIZE_1_5MB: + gtt_size = 1024 + 512; + break; + default: + device_printf(dev, "Bad PGTBL size\n"); + bus_release_resources(dev, sc->sc_res_spec, + sc->sc_res); + free(gatt, M_AGP); + agp_generic_detach(dev); + return EINVAL; + } + break; + case CHIP_G33: + gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 2); + switch (gcc1 & AGP_G33_MGGC_GGMS_MASK) { + case AGP_G33_MGGC_GGMS_SIZE_1M: + gtt_size = 1024; + break; + case AGP_G33_MGGC_GGMS_SIZE_2M: + gtt_size = 2048; + break; default: device_printf(dev, "Bad PGTBL size\n"); bus_release_resources(dev, sc->sc_res_spec, @@ -512,6 +549,9 @@ agp_i810_attach(device_t dev) return EINVAL; } break; + case CHIP_G4X: + gtt_size = 0; + break; default: device_printf(dev, "Bad chiptype\n"); bus_release_resources(dev, sc->sc_res_spec, @@ -528,28 +568,86 @@ agp_i810_attach(device_t dev) stolen = 1024; break; case AGP_I855_GCC1_GMS_STOLEN_4M: - stolen = 4096; + stolen = 4 * 1024; break; case AGP_I855_GCC1_GMS_STOLEN_8M: - stolen = 8192; + stolen = 8 * 1024; break; case AGP_I855_GCC1_GMS_STOLEN_16M: - stolen = 16384; + stolen = 16 * 1024; break; case AGP_I855_GCC1_GMS_STOLEN_32M: - stolen = 32768; + stolen = 32 * 1024; break; case AGP_I915_GCC1_GMS_STOLEN_48M: - stolen = 49152; + if (sc->chiptype == CHIP_I915 || + sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G33 || + sc->chiptype == CHIP_G4X) { + stolen = 48 * 1024; + } else { + stolen = 0; + } break; case AGP_I915_GCC1_GMS_STOLEN_64M: - stolen = 65536; + if (sc->chiptype == CHIP_I915 || + sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G33 || + sc->chiptype == CHIP_G4X) { + stolen = 64 * 1024; + } else { + stolen = 0; + } break; case AGP_G33_GCC1_GMS_STOLEN_128M: - stolen = 128 * 1024; + if (sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G33 || + sc->chiptype == CHIP_G4X) { + stolen = 128 * 1024; + } else { + stolen = 0; + } break; case AGP_G33_GCC1_GMS_STOLEN_256M: - stolen = 256 * 1024; + if (sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G33 || + sc->chiptype == CHIP_G4X) { + stolen = 256 * 1024; + } else { + stolen = 0; + } + break; + case AGP_G4X_GCC1_GMS_STOLEN_96M: + if (sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G4X) { + stolen = 96 * 1024; + } else { + stolen = 0; + } + break; + case AGP_G4X_GCC1_GMS_STOLEN_160M: + if (sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G4X) { + stolen = 160 * 1024; + } else { + stolen = 0; + } + break; + case AGP_G4X_GCC1_GMS_STOLEN_224M: + if (sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G4X) { + stolen = 224 * 1024; + } else { + stolen = 0; + } + break; + case AGP_G4X_GCC1_GMS_STOLEN_352M: + if (sc->chiptype == CHIP_I965 || + sc->chiptype == CHIP_G4X) { + stolen = 352 * 1024; + } else { + stolen = 0; + } break; default: device_printf(dev, "unknown memory configuration, " @@ -560,7 +658,11 @@ agp_i810_attach(device_t dev) agp_generic_detach(dev); return EINVAL; } - sc->stolen = (stolen - gtt_size - 4) * 1024 / 4096; + + if (sc->chiptype != CHIP_G4X) + gtt_size += 4; + + sc->stolen = (stolen - gtt_size) * 1024 / 4096; if (sc->stolen > 0) device_printf(dev, "detected %dk stolen memory\n", sc->stolen * 4); device_printf(dev, "aperture size is %dM\n", sc->initial_aperture / 1024 / 1024); Modified: stable/7/sys/pci/agpreg.h ============================================================================== --- stable/7/sys/pci/agpreg.h Sat Nov 29 17:14:06 2008 (r185442) +++ stable/7/sys/pci/agpreg.h Sat Nov 29 17:33:38 2008 (r185443) @@ -215,7 +215,7 @@ #define AGP_I855_GCC1_DEV2 0x08 #define AGP_I855_GCC1_DEV2_ENABLED 0x00 #define AGP_I855_GCC1_DEV2_DISABLED 0x08 -#define AGP_I855_GCC1_GMS 0x70 +#define AGP_I855_GCC1_GMS 0xf0 /* Top bit reserved pre-G33 */ #define AGP_I855_GCC1_GMS_STOLEN_0M 0x00 #define AGP_I855_GCC1_GMS_STOLEN_1M 0x10 #define AGP_I855_GCC1_GMS_STOLEN_4M 0x20 @@ -259,14 +259,28 @@ #define AGP_I965_MSAC_GMASIZE_128 0x00 #define AGP_I965_MSAC_GMASIZE_256 0x02 #define AGP_I965_MSAC_GMASIZE_512 0x06 +#define AGP_I965_PGTBL_SIZE_1MB (3 << 1) +#define AGP_I965_PGTBL_SIZE_2MB (4 << 1) +#define AGP_I965_PGTBL_SIZE_1_5MB (5 << 1) /* * G33 registers */ +#define AGP_G33_MGGC_GGMS_MASK (3 << 8) +#define AGP_G33_MGGC_GGMS_SIZE_1M (1 << 8) +#define AGP_G33_MGGC_GGMS_SIZE_2M (2 << 8) #define AGP_G33_GCC1_GMS_STOLEN_128M 0x80 #define AGP_G33_GCC1_GMS_STOLEN_256M 0x90 /* + * G4X registers + */ +#define AGP_G4X_GCC1_GMS_STOLEN_96M 0xa0 +#define AGP_G4X_GCC1_GMS_STOLEN_160M 0xb0 +#define AGP_G4X_GCC1_GMS_STOLEN_224M 0xc0 +#define AGP_G4X_GCC1_GMS_STOLEN_352M 0xd0 + +/* * NVIDIA nForce/nForce2 registers */ #define AGP_NVIDIA_0_APBASE 0x10 _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"