| /* |
| * Copyright 2013 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 |
| */ |
| #include <subdev/bios.h> |
| #include <subdev/bios/bit.h> |
| #include <subdev/bios/rammap.h> |
| |
| u32 |
| nvbios_rammapTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr, |
| u8 *cnt, u8 *len, u8 *snr, u8 *ssz) |
| { |
| struct bit_entry bit_P; |
| u32 rammap = 0x0000; |
| |
| if (!bit_entry(bios, 'P', &bit_P)) { |
| if (bit_P.version == 2) |
| rammap = nvbios_rd32(bios, bit_P.offset + 4); |
| |
| if (rammap) { |
| *ver = nvbios_rd08(bios, rammap + 0); |
| switch (*ver) { |
| case 0x10: |
| case 0x11: |
| *hdr = nvbios_rd08(bios, rammap + 1); |
| *cnt = nvbios_rd08(bios, rammap + 5); |
| *len = nvbios_rd08(bios, rammap + 2); |
| *snr = nvbios_rd08(bios, rammap + 4); |
| *ssz = nvbios_rd08(bios, rammap + 3); |
| return rammap; |
| default: |
| break; |
| } |
| } |
| } |
| |
| return 0x0000; |
| } |
| |
| u32 |
| nvbios_rammapEe(struct nvkm_bios *bios, int idx, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len) |
| { |
| u8 snr, ssz; |
| u32 rammap = nvbios_rammapTe(bios, ver, hdr, cnt, len, &snr, &ssz); |
| if (rammap && idx < *cnt) { |
| rammap = rammap + *hdr + (idx * (*len + (snr * ssz))); |
| *hdr = *len; |
| *cnt = snr; |
| *len = ssz; |
| return rammap; |
| } |
| return 0x0000; |
| } |
| |
| /* Pretend a performance mode is also a rammap entry, helps coalesce entries |
| * later on */ |
| u32 |
| nvbios_rammapEp_from_perf(struct nvkm_bios *bios, u32 data, u8 size, |
| struct nvbios_ramcfg *p) |
| { |
| memset(p, 0x00, sizeof(*p)); |
| |
| p->rammap_00_16_20 = (nvbios_rd08(bios, data + 0x16) & 0x20) >> 5; |
| p->rammap_00_16_40 = (nvbios_rd08(bios, data + 0x16) & 0x40) >> 6; |
| p->rammap_00_17_02 = (nvbios_rd08(bios, data + 0x17) & 0x02) >> 1; |
| |
| return data; |
| } |
| |
| u32 |
| nvbios_rammapEp(struct nvkm_bios *bios, int idx, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *p) |
| { |
| u32 data = nvbios_rammapEe(bios, idx, ver, hdr, cnt, len), temp; |
| memset(p, 0x00, sizeof(*p)); |
| p->rammap_ver = *ver; |
| p->rammap_hdr = *hdr; |
| switch (!!data * *ver) { |
| case 0x10: |
| p->rammap_min = nvbios_rd16(bios, data + 0x00); |
| p->rammap_max = nvbios_rd16(bios, data + 0x02); |
| p->rammap_10_04_02 = (nvbios_rd08(bios, data + 0x04) & 0x02) >> 1; |
| p->rammap_10_04_08 = (nvbios_rd08(bios, data + 0x04) & 0x08) >> 3; |
| break; |
| case 0x11: |
| p->rammap_min = nvbios_rd16(bios, data + 0x00); |
| p->rammap_max = nvbios_rd16(bios, data + 0x02); |
| p->rammap_11_08_01 = (nvbios_rd08(bios, data + 0x08) & 0x01) >> 0; |
| p->rammap_11_08_0c = (nvbios_rd08(bios, data + 0x08) & 0x0c) >> 2; |
| p->rammap_11_08_10 = (nvbios_rd08(bios, data + 0x08) & 0x10) >> 4; |
| temp = nvbios_rd32(bios, data + 0x09); |
| p->rammap_11_09_01ff = (temp & 0x000001ff) >> 0; |
| p->rammap_11_0a_03fe = (temp & 0x0003fe00) >> 9; |
| p->rammap_11_0a_0400 = (temp & 0x00040000) >> 18; |
| p->rammap_11_0a_0800 = (temp & 0x00080000) >> 19; |
| p->rammap_11_0b_01f0 = (temp & 0x01f00000) >> 20; |
| p->rammap_11_0b_0200 = (temp & 0x02000000) >> 25; |
| p->rammap_11_0b_0400 = (temp & 0x04000000) >> 26; |
| p->rammap_11_0b_0800 = (temp & 0x08000000) >> 27; |
| p->rammap_11_0d = nvbios_rd08(bios, data + 0x0d); |
| p->rammap_11_0e = nvbios_rd08(bios, data + 0x0e); |
| p->rammap_11_0f = nvbios_rd08(bios, data + 0x0f); |
| p->rammap_11_11_0c = (nvbios_rd08(bios, data + 0x11) & 0x0c) >> 2; |
| break; |
| default: |
| data = 0; |
| break; |
| } |
| return data; |
| } |
| |
| u32 |
| nvbios_rammapEm(struct nvkm_bios *bios, u16 mhz, |
| u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *info) |
| { |
| int idx = 0; |
| u32 data; |
| while ((data = nvbios_rammapEp(bios, idx++, ver, hdr, cnt, len, info))) { |
| if (mhz >= info->rammap_min && mhz <= info->rammap_max) |
| break; |
| } |
| return data; |
| } |
| |
| u32 |
| nvbios_rammapSe(struct nvkm_bios *bios, u32 data, |
| u8 ever, u8 ehdr, u8 ecnt, u8 elen, int idx, u8 *ver, u8 *hdr) |
| { |
| if (idx < ecnt) { |
| data = data + ehdr + (idx * elen); |
| *ver = ever; |
| *hdr = elen; |
| return data; |
| } |
| return 0; |
| } |
| |
| u32 |
| nvbios_rammapSp_from_perf(struct nvkm_bios *bios, u32 data, u8 size, int idx, |
| struct nvbios_ramcfg *p) |
| { |
| data += (idx * size); |
| |
| if (size < 11) |
| return 0x00000000; |
| |
| p->ramcfg_ver = 0; |
| p->ramcfg_timing = nvbios_rd08(bios, data + 0x01); |
| p->ramcfg_00_03_01 = (nvbios_rd08(bios, data + 0x03) & 0x01) >> 0; |
| p->ramcfg_00_03_02 = (nvbios_rd08(bios, data + 0x03) & 0x02) >> 1; |
| p->ramcfg_DLLoff = (nvbios_rd08(bios, data + 0x03) & 0x04) >> 2; |
| p->ramcfg_00_03_08 = (nvbios_rd08(bios, data + 0x03) & 0x08) >> 3; |
| p->ramcfg_RON = (nvbios_rd08(bios, data + 0x03) & 0x10) >> 3; |
| p->ramcfg_FBVDDQ = (nvbios_rd08(bios, data + 0x03) & 0x80) >> 7; |
| p->ramcfg_00_04_02 = (nvbios_rd08(bios, data + 0x04) & 0x02) >> 1; |
| p->ramcfg_00_04_04 = (nvbios_rd08(bios, data + 0x04) & 0x04) >> 2; |
| p->ramcfg_00_04_20 = (nvbios_rd08(bios, data + 0x04) & 0x20) >> 5; |
| p->ramcfg_00_05 = (nvbios_rd08(bios, data + 0x05) & 0xff) >> 0; |
| p->ramcfg_00_06 = (nvbios_rd08(bios, data + 0x06) & 0xff) >> 0; |
| p->ramcfg_00_07 = (nvbios_rd08(bios, data + 0x07) & 0xff) >> 0; |
| p->ramcfg_00_08 = (nvbios_rd08(bios, data + 0x08) & 0xff) >> 0; |
| p->ramcfg_00_09 = (nvbios_rd08(bios, data + 0x09) & 0xff) >> 0; |
| p->ramcfg_00_0a_0f = (nvbios_rd08(bios, data + 0x0a) & 0x0f) >> 0; |
| p->ramcfg_00_0a_f0 = (nvbios_rd08(bios, data + 0x0a) & 0xf0) >> 4; |
| |
| return data; |
| } |
| |
| u32 |
| nvbios_rammapSp(struct nvkm_bios *bios, u32 data, |
| u8 ever, u8 ehdr, u8 ecnt, u8 elen, int idx, |
| u8 *ver, u8 *hdr, struct nvbios_ramcfg *p) |
| { |
| data = nvbios_rammapSe(bios, data, ever, ehdr, ecnt, elen, idx, ver, hdr); |
| p->ramcfg_ver = *ver; |
| p->ramcfg_hdr = *hdr; |
| switch (!!data * *ver) { |
| case 0x10: |
| p->ramcfg_timing = nvbios_rd08(bios, data + 0x01); |
| p->ramcfg_10_02_01 = (nvbios_rd08(bios, data + 0x02) & 0x01) >> 0; |
| p->ramcfg_10_02_02 = (nvbios_rd08(bios, data + 0x02) & 0x02) >> 1; |
| p->ramcfg_10_02_04 = (nvbios_rd08(bios, data + 0x02) & 0x04) >> 2; |
| p->ramcfg_10_02_08 = (nvbios_rd08(bios, data + 0x02) & 0x08) >> 3; |
| p->ramcfg_10_02_10 = (nvbios_rd08(bios, data + 0x02) & 0x10) >> 4; |
| p->ramcfg_10_02_20 = (nvbios_rd08(bios, data + 0x02) & 0x20) >> 5; |
| p->ramcfg_DLLoff = (nvbios_rd08(bios, data + 0x02) & 0x40) >> 6; |
| p->ramcfg_10_03_0f = (nvbios_rd08(bios, data + 0x03) & 0x0f) >> 0; |
| p->ramcfg_10_04_01 = (nvbios_rd08(bios, data + 0x04) & 0x01) >> 0; |
| p->ramcfg_FBVDDQ = (nvbios_rd08(bios, data + 0x04) & 0x08) >> 3; |
| p->ramcfg_10_05 = (nvbios_rd08(bios, data + 0x05) & 0xff) >> 0; |
| p->ramcfg_10_06 = (nvbios_rd08(bios, data + 0x06) & 0xff) >> 0; |
| p->ramcfg_10_07 = (nvbios_rd08(bios, data + 0x07) & 0xff) >> 0; |
| p->ramcfg_10_08 = (nvbios_rd08(bios, data + 0x08) & 0xff) >> 0; |
| p->ramcfg_10_09_0f = (nvbios_rd08(bios, data + 0x09) & 0x0f) >> 0; |
| p->ramcfg_10_09_f0 = (nvbios_rd08(bios, data + 0x09) & 0xf0) >> 4; |
| break; |
| case 0x11: |
| p->ramcfg_timing = nvbios_rd08(bios, data + 0x00); |
| p->ramcfg_11_01_01 = (nvbios_rd08(bios, data + 0x01) & 0x01) >> 0; |
| p->ramcfg_11_01_02 = (nvbios_rd08(bios, data + 0x01) & 0x02) >> 1; |
| p->ramcfg_11_01_04 = (nvbios_rd08(bios, data + 0x01) & 0x04) >> 2; |
| p->ramcfg_11_01_08 = (nvbios_rd08(bios, data + 0x01) & 0x08) >> 3; |
| p->ramcfg_11_01_10 = (nvbios_rd08(bios, data + 0x01) & 0x10) >> 4; |
| p->ramcfg_DLLoff = (nvbios_rd08(bios, data + 0x01) & 0x20) >> 5; |
| p->ramcfg_11_01_40 = (nvbios_rd08(bios, data + 0x01) & 0x40) >> 6; |
| p->ramcfg_11_01_80 = (nvbios_rd08(bios, data + 0x01) & 0x80) >> 7; |
| p->ramcfg_11_02_03 = (nvbios_rd08(bios, data + 0x02) & 0x03) >> 0; |
| p->ramcfg_11_02_04 = (nvbios_rd08(bios, data + 0x02) & 0x04) >> 2; |
| p->ramcfg_11_02_08 = (nvbios_rd08(bios, data + 0x02) & 0x08) >> 3; |
| p->ramcfg_11_02_10 = (nvbios_rd08(bios, data + 0x02) & 0x10) >> 4; |
| p->ramcfg_11_02_40 = (nvbios_rd08(bios, data + 0x02) & 0x40) >> 6; |
| p->ramcfg_11_02_80 = (nvbios_rd08(bios, data + 0x02) & 0x80) >> 7; |
| p->ramcfg_11_03_0f = (nvbios_rd08(bios, data + 0x03) & 0x0f) >> 0; |
| p->ramcfg_11_03_30 = (nvbios_rd08(bios, data + 0x03) & 0x30) >> 4; |
| p->ramcfg_11_03_c0 = (nvbios_rd08(bios, data + 0x03) & 0xc0) >> 6; |
| p->ramcfg_11_03_f0 = (nvbios_rd08(bios, data + 0x03) & 0xf0) >> 4; |
| p->ramcfg_11_04 = (nvbios_rd08(bios, data + 0x04) & 0xff) >> 0; |
| p->ramcfg_11_06 = (nvbios_rd08(bios, data + 0x06) & 0xff) >> 0; |
| p->ramcfg_11_07_02 = (nvbios_rd08(bios, data + 0x07) & 0x02) >> 1; |
| p->ramcfg_11_07_04 = (nvbios_rd08(bios, data + 0x07) & 0x04) >> 2; |
| p->ramcfg_11_07_08 = (nvbios_rd08(bios, data + 0x07) & 0x08) >> 3; |
| p->ramcfg_11_07_10 = (nvbios_rd08(bios, data + 0x07) & 0x10) >> 4; |
| p->ramcfg_11_07_40 = (nvbios_rd08(bios, data + 0x07) & 0x40) >> 6; |
| p->ramcfg_11_07_80 = (nvbios_rd08(bios, data + 0x07) & 0x80) >> 7; |
| p->ramcfg_11_08_01 = (nvbios_rd08(bios, data + 0x08) & 0x01) >> 0; |
| p->ramcfg_11_08_02 = (nvbios_rd08(bios, data + 0x08) & 0x02) >> 1; |
| p->ramcfg_11_08_04 = (nvbios_rd08(bios, data + 0x08) & 0x04) >> 2; |
| p->ramcfg_11_08_08 = (nvbios_rd08(bios, data + 0x08) & 0x08) >> 3; |
| p->ramcfg_11_08_10 = (nvbios_rd08(bios, data + 0x08) & 0x10) >> 4; |
| p->ramcfg_11_08_20 = (nvbios_rd08(bios, data + 0x08) & 0x20) >> 5; |
| p->ramcfg_11_09 = (nvbios_rd08(bios, data + 0x09) & 0xff) >> 0; |
| break; |
| default: |
| data = 0; |
| break; |
| } |
| return data; |
| } |
