70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/*
|
|
* 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;
|
|
}
|