diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c new file mode 100644 index 000000000000..535172c5f1ad --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c @@ -0,0 +1,172 @@ +/* + * 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> + +static void +pmu_code(struct nv50_devinit_priv *priv, u32 pmu, u32 img, u32 len, bool sec) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + int i; + + nv_wr32(priv, 0x10a180, 0x01000000 | (sec ? 0x10000000 : 0) | pmu); + for (i = 0; i < len; i += 4) { + if ((i & 0xff) == 0) + nv_wr32(priv, 0x10a188, (pmu + i) >> 8); + nv_wr32(priv, 0x10a184, nv_ro32(bios, img + i)); + } + + while (i & 0xff) { + nv_wr32(priv, 0x10a184, 0x00000000); + i += 4; + } +} + +static void +pmu_data(struct nv50_devinit_priv *priv, u32 pmu, u32 img, u32 len) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + int i; + + nv_wr32(priv, 0x10a1c0, 0x01000000 | pmu); + for (i = 0; i < len; i += 4) + nv_wr32(priv, 0x10a1c4, nv_ro32(bios, img + i)); +} + +static u32 +pmu_args(struct nv50_devinit_priv *priv, u32 argp, u32 argi) +{ + nv_wr32(priv, 0x10a1c0, argp); + nv_wr32(priv, 0x10a1c0, nv_rd32(priv, 0x10a1c4) + argi); + return nv_rd32(priv, 0x10a1c4); +} + +static void +pmu_exec(struct nv50_devinit_priv *priv, u32 init_addr) +{ + nv_wr32(priv, 0x10a104, init_addr); + nv_wr32(priv, 0x10a10c, 0x00000000); + nv_wr32(priv, 0x10a100, 0x00000002); +} + +static int +pmu_load(struct nv50_devinit_priv *priv, u8 type, bool post, + u32 *init_addr_pmu, u32 *args_addr_pmu) +{ + struct nvkm_bios *bios = nvkm_bios(priv); + struct nvbios_pmuR pmu; + + if (!nvbios_pmuRm(bios, type, &pmu)) { + nv_error(priv, "VBIOS PMU fuc %02x not found\n", type); + return -EINVAL; + } + + if (!post) + return 0; + + pmu_code(priv, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false); + pmu_code(priv, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true); + pmu_data(priv, 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(priv, pmu.init_addr_pmu), 0; +} + +static int +gm204_devinit_post(struct nvkm_subdev *subdev, bool post) +{ + struct nv50_devinit_priv *priv = (void *)nvkm_devinit(subdev); + struct nvkm_bios *bios = nvkm_bios(priv); + struct bit_entry bit_I; + u32 init, args; + int ret; + + if (bit_entry(bios, 'I', &bit_I) || bit_I.version != 1 || + bit_I.length < 0x1c) { + nv_error(priv, "VBIOS PMU init data not found\n"); + return -EINVAL; + } + + /* reset PMU and load init table parser ucode */ + if (post) { + nv_mask(priv, 0x000200, 0x00002000, 0x00000000); + nv_mask(priv, 0x000200, 0x00002000, 0x00002000); + nv_rd32(priv, 0x000200); + while (nv_rd32(priv, 0x10a10c) & 0x00000006) { + } + } + + ret = pmu_load(priv, 0x04, post, &init, &args); + if (ret) + return ret; + + /* upload first chunk of init data */ + if (post) { + u32 pmu = pmu_args(priv, args + 0x08, 0x08); + u32 img = nv_ro16(bios, bit_I.offset + 0x14); + u32 len = nv_ro16(bios, bit_I.offset + 0x16); + pmu_data(priv, pmu, img, len); + } + + /* upload second chunk of init data */ + if (post) { + u32 pmu = pmu_args(priv, args + 0x08, 0x10); + u32 img = nv_ro16(bios, bit_I.offset + 0x18); + u32 len = nv_ro16(bios, bit_I.offset + 0x1a); + pmu_data(priv, pmu, img, len); + } + + /* execute init tables */ + if (post) { + nv_wr32(priv, 0x10a040, 0x00005000); + pmu_exec(priv, init); + while (!(nv_rd32(priv, 0x10a040) & 0x00002000)) { + } + } + + /* load and execute some other ucode image (bios therm?) */ + return pmu_load(priv, 0x01, post, NULL, NULL); +} + +struct nvkm_oclass * +gm204_devinit_oclass = &(struct nvkm_devinit_impl) { + .base.handle = NV_SUBDEV(DEVINIT, 0x07), + .base.ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_devinit_ctor, + .dtor = _nvkm_devinit_dtor, + .init = nv50_devinit_init, + .fini = _nvkm_devinit_fini, + }, + .pll_set = gf100_devinit_pll_set, + .disable = gm107_devinit_disable, + .post = gm204_devinit_post, +}.base; |