/* * Copyright 2014 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs <bskeggs@redhat.com>
*/ #include <subdev/bios.h> #include <subdev/bios/pcir.h>
u32
nvbios_pcirTe(struct nvkm_bios *bios, u32 base, u8 *ver, u16 *hdr)
{
u32 data = nvbios_rd16(bios, base + 0x18); if (data) {
data += base; switch (nvbios_rd32(bios, data + 0x00)) { case 0x52494350: /* PCIR */ case 0x53494752: /* RGIS */ case 0x5344504e: /* NPDS */
*hdr = nvbios_rd16(bios, data + 0x0a);
*ver = nvbios_rd08(bios, data + 0x0c); break; default:
nvkm_debug(&bios->subdev, "%08x: PCIR signature (%08x) unknown\n",
data, nvbios_rd32(bios, data + 0x00));
data = 0; break;
}
} return data;
}
u32
nvbios_pcirTp(struct nvkm_bios *bios, u32 base, u8 *ver, u16 *hdr, struct nvbios_pcirT *info)
{
u32 data = nvbios_pcirTe(bios, base, ver, hdr);
memset(info, 0x00, sizeof(*info)); if (data) {
info->vendor_id = nvbios_rd16(bios, data + 0x04);
info->device_id = nvbios_rd16(bios, data + 0x06);
info->class_code[0] = nvbios_rd08(bios, data + 0x0d);
info->class_code[1] = nvbios_rd08(bios, data + 0x0e);
info->class_code[2] = nvbios_rd08(bios, data + 0x0f);
info->image_size = nvbios_rd16(bios, data + 0x10) * 512;
info->image_rev = nvbios_rd16(bios, data + 0x12);
info->image_type = nvbios_rd08(bios, data + 0x14);
info->last = nvbios_rd08(bios, data + 0x15) & 0x80;
} return data;
}
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