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26 #include <subdev/bios.h>
27 #include <subdev/bios/bit.h>
28 #include <subdev/bios/pmu.h>
31 pmu_code(struct nv50_devinit *init, u32 pmu, u32 img, u32 len, bool sec)
33 struct nvkm_device *device = init->base.subdev.device;
34 struct nvkm_bios *bios = device->bios;
37 nvkm_wr32(device, 0x10a180, 0x01000000 | (sec ? 0x10000000 : 0) | pmu);
38 for (i = 0; i < len; i += 4) {
40 nvkm_wr32(device, 0x10a188, (pmu + i) >> 8);
41 nvkm_wr32(device, 0x10a184, nvbios_rd32(bios, img + i));
45 nvkm_wr32(device, 0x10a184, 0x00000000);
51 pmu_data(struct nv50_devinit *init, u32 pmu, u32 img, u32 len)
53 struct nvkm_device *device = init->base.subdev.device;
54 struct nvkm_bios *bios = device->bios;
57 nvkm_wr32(device, 0x10a1c0, 0x01000000 | pmu);
58 for (i = 0; i < len; i += 4)
59 nvkm_wr32(device, 0x10a1c4, nvbios_rd32(bios, img + i));
63 pmu_args(struct nv50_devinit *init, u32 argp, u32 argi)
65 struct nvkm_device *device = init->base.subdev.device;
66 nvkm_wr32(device, 0x10a1c0, argp);
67 nvkm_wr32(device, 0x10a1c0, nvkm_rd32(device, 0x10a1c4) + argi);
68 return nvkm_rd32(device, 0x10a1c4);
72 pmu_exec(struct nv50_devinit *init, u32 init_addr)
74 struct nvkm_device *device = init->base.subdev.device;
75 nvkm_wr32(device, 0x10a104, init_addr);
76 nvkm_wr32(device, 0x10a10c, 0x00000000);
77 nvkm_wr32(device, 0x10a100, 0x00000002);
81 pmu_load(struct nv50_devinit *init, u8 type, bool post,
82 u32 *init_addr_pmu, u32 *args_addr_pmu)
84 struct nvkm_subdev *subdev = &init->base.subdev;
85 struct nvkm_bios *bios = subdev->device->bios;
86 struct nvbios_pmuR pmu;
88 if (!nvbios_pmuRm(bios, type, &pmu)) {
89 nvkm_error(subdev, "VBIOS PMU fuc %02x not found\n", type);
96 pmu_code(init, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false);
97 pmu_code(init, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true);
98 pmu_data(init, pmu.data_addr_pmu, pmu.data_addr, pmu.data_size);
101 *init_addr_pmu = pmu.init_addr_pmu;
102 *args_addr_pmu = pmu.args_addr_pmu;
106 return pmu_exec(init, pmu.init_addr_pmu), 0;
110 gm200_devinit_post(struct nvkm_devinit *base, bool post)
112 struct nv50_devinit *init = nv50_devinit(base);
113 struct nvkm_subdev *subdev = &init->base.subdev;
114 struct nvkm_device *device = subdev->device;
115 struct nvkm_bios *bios = device->bios;
116 struct bit_entry bit_I;
120 if (bit_entry(bios, 'I', &bit_I) || bit_I.version != 1 ||
121 bit_I.length < 0x1c) {
122 nvkm_error(subdev, "VBIOS PMU init data not found\n");
126 /* reset PMU and load init table parser ucode */
128 nvkm_mask(device, 0x000200, 0x00002000, 0x00000000);
129 nvkm_mask(device, 0x000200, 0x00002000, 0x00002000);
130 nvkm_rd32(device, 0x000200);
131 while (nvkm_rd32(device, 0x10a10c) & 0x00000006) {
135 ret = pmu_load(init, 0x04, post, &exec, &args);
139 /* upload first chunk of init data */
141 u32 pmu = pmu_args(init, args + 0x08, 0x08);
142 u32 img = nvbios_rd16(bios, bit_I.offset + 0x14);
143 u32 len = nvbios_rd16(bios, bit_I.offset + 0x16);
144 pmu_data(init, pmu, img, len);
147 /* upload second chunk of init data */
149 u32 pmu = pmu_args(init, args + 0x08, 0x10);
150 u32 img = nvbios_rd16(bios, bit_I.offset + 0x18);
151 u32 len = nvbios_rd16(bios, bit_I.offset + 0x1a);
152 pmu_data(init, pmu, img, len);
155 /* execute init tables */
157 nvkm_wr32(device, 0x10a040, 0x00005000);
158 pmu_exec(init, exec);
159 while (!(nvkm_rd32(device, 0x10a040) & 0x00002000)) {
163 /* load and execute some other ucode image (bios therm?) */
164 pmu_load(init, 0x01, post, NULL, NULL);
168 static const struct nvkm_devinit_func
170 .preinit = gf100_devinit_preinit,
171 .init = nv50_devinit_init,
172 .post = gm200_devinit_post,
173 .pll_set = gf100_devinit_pll_set,
174 .disable = gm107_devinit_disable,
178 gm200_devinit_new(struct nvkm_device *device, int index,
179 struct nvkm_devinit **pinit)
181 return nv50_devinit_new_(&gm200_devinit, device, index, pinit);