int nv44_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) { struct nvkm_device *device = fb->subdev.device; u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000; u32 fb474 = nvkm_rd32(device, 0x100474); enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN; if (fb474 & 0x00000004) type = NVKM_RAM_TYPE_GDDR3; if (fb474 & 0x00000002) type = NVKM_RAM_TYPE_DDR2; if (fb474 & 0x00000001) type = NVKM_RAM_TYPE_DDR1; return nv40_ram_new_(fb, type, size, 0, pram); }
int nv49_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) { struct nvkm_device *device = fb->subdev.device; u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000; u32 fb914 = nvkm_rd32(device, 0x100914); enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN; int ret; switch (fb914 & 0x00000003) { case 0x00000000: type = NVKM_RAM_TYPE_DDR1 ; break; case 0x00000001: type = NVKM_RAM_TYPE_DDR2 ; break; case 0x00000002: type = NVKM_RAM_TYPE_GDDR3; break; case 0x00000003: break; } ret = nv40_ram_new_(fb, type, size, pram); if (ret) return ret; (*pram)->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1; return 0; }