| /* |
| * 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 "nv50.h" |
| |
| #include <subdev/bios.h> |
| #include <subdev/bios/bit.h> |
| #include <subdev/bios/pmu.h> |
| #include <subdev/timer.h> |
| |
| static void |
| pmu_code(struct nv50_devinit *init, u32 pmu, u32 img, u32 len, bool sec) |
| { |
| struct nvkm_device *device = init->base.subdev.device; |
| struct nvkm_bios *bios = device->bios; |
| int i; |
| |
| nvkm_wr32(device, 0x10a180, 0x01000000 | (sec ? 0x10000000 : 0) | pmu); |
| for (i = 0; i < len; i += 4) { |
| if ((i & 0xff) == 0) |
| nvkm_wr32(device, 0x10a188, (pmu + i) >> 8); |
| nvkm_wr32(device, 0x10a184, nvbios_rd32(bios, img + i)); |
| } |
| |
| while (i & 0xff) { |
| nvkm_wr32(device, 0x10a184, 0x00000000); |
| i += 4; |
| } |
| } |
| |
| static void |
| pmu_data(struct nv50_devinit *init, u32 pmu, u32 img, u32 len) |
| { |
| struct nvkm_device *device = init->base.subdev.device; |
| struct nvkm_bios *bios = device->bios; |
| int i; |
| |
| nvkm_wr32(device, 0x10a1c0, 0x01000000 | pmu); |
| for (i = 0; i < len; i += 4) |
| nvkm_wr32(device, 0x10a1c4, nvbios_rd32(bios, img + i)); |
| } |
| |
| static u32 |
| pmu_args(struct nv50_devinit *init, u32 argp, u32 argi) |
| { |
| struct nvkm_device *device = init->base.subdev.device; |
| nvkm_wr32(device, 0x10a1c0, argp); |
| nvkm_wr32(device, 0x10a1c0, nvkm_rd32(device, 0x10a1c4) + argi); |
| return nvkm_rd32(device, 0x10a1c4); |
| } |
| |
| static void |
| pmu_exec(struct nv50_devinit *init, u32 init_addr) |
| { |
| struct nvkm_device *device = init->base.subdev.device; |
| nvkm_wr32(device, 0x10a104, init_addr); |
| nvkm_wr32(device, 0x10a10c, 0x00000000); |
| nvkm_wr32(device, 0x10a100, 0x00000002); |
| } |
| |
| static int |
| pmu_load(struct nv50_devinit *init, u8 type, bool post, |
| u32 *init_addr_pmu, u32 *args_addr_pmu) |
| { |
| struct nvkm_subdev *subdev = &init->base.subdev; |
| struct nvkm_bios *bios = subdev->device->bios; |
| struct nvbios_pmuR pmu; |
| |
| if (!nvbios_pmuRm(bios, type, &pmu)) |
| return -EINVAL; |
| |
| if (!post) |
| return 0; |
| |
| pmu_code(init, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false); |
| pmu_code(init, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true); |
| pmu_data(init, pmu.data_addr_pmu, pmu.data_addr, pmu.data_size); |
| |
| if (init_addr_pmu) { |
| *init_addr_pmu = pmu.init_addr_pmu; |
| *args_addr_pmu = pmu.args_addr_pmu; |
| return 0; |
| } |
| |
| return pmu_exec(init, pmu.init_addr_pmu), 0; |
| } |
| |
| void |
| gm200_devinit_preos(struct nv50_devinit *init, bool post) |
| { |
| /* Optional: Execute PRE_OS application on PMU, which should at |
| * least take care of fans until a full PMU has been loaded. |
| */ |
| pmu_load(init, 0x01, post, NULL, NULL); |
| } |
| |
| int |
| gm200_devinit_post(struct nvkm_devinit *base, bool post) |
| { |
| struct nv50_devinit *init = nv50_devinit(base); |
| struct nvkm_subdev *subdev = &init->base.subdev; |
| struct nvkm_device *device = subdev->device; |
| struct nvkm_bios *bios = device->bios; |
| struct bit_entry bit_I; |
| u32 exec, args; |
| int ret; |
| |
| if (bit_entry(bios, 'I', &bit_I) || bit_I.version != 1 || |
| bit_I.length < 0x1c) { |
| nvkm_error(subdev, "VBIOS PMU init data not found\n"); |
| return -EINVAL; |
| } |
| |
| /* Upload DEVINIT application from VBIOS onto PMU. */ |
| ret = pmu_load(init, 0x04, post, &exec, &args); |
| if (ret) { |
| nvkm_error(subdev, "VBIOS PMU/DEVINIT not found\n"); |
| return ret; |
| } |
| |
| /* Upload tables required by opcodes in boot scripts. */ |
| if (post) { |
| u32 pmu = pmu_args(init, args + 0x08, 0x08); |
| u32 img = nvbios_rd16(bios, bit_I.offset + 0x14); |
| u32 len = nvbios_rd16(bios, bit_I.offset + 0x16); |
| pmu_data(init, pmu, img, len); |
| } |
| |
| /* Upload boot scripts. */ |
| if (post) { |
| u32 pmu = pmu_args(init, args + 0x08, 0x10); |
| u32 img = nvbios_rd16(bios, bit_I.offset + 0x18); |
| u32 len = nvbios_rd16(bios, bit_I.offset + 0x1a); |
| pmu_data(init, pmu, img, len); |
| } |
| |
| /* Execute DEVINIT. */ |
| if (post) { |
| nvkm_wr32(device, 0x10a040, 0x00005000); |
| pmu_exec(init, exec); |
| if (nvkm_msec(device, 2000, |
| if (nvkm_rd32(device, 0x10a040) & 0x00002000) |
| break; |
| ) < 0) |
| return -ETIMEDOUT; |
| } |
| |
| gm200_devinit_preos(init, post); |
| return 0; |
| } |
| |
| static const struct nvkm_devinit_func |
| gm200_devinit = { |
| .preinit = gf100_devinit_preinit, |
| .init = nv50_devinit_init, |
| .post = gm200_devinit_post, |
| .pll_set = gf100_devinit_pll_set, |
| .disable = gm107_devinit_disable, |
| }; |
| |
| int |
| gm200_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, |
| struct nvkm_devinit **pinit) |
| { |
| return nv50_devinit_new_(&gm200_devinit, device, type, inst, pinit); |
| } |