2 * Copyright 2013 Red Hat Inc.
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9 * Software is furnished to do so, subject to the following conditions:
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26 #include <subdev/bios.h>
27 #include <subdev/bios/bit.h>
28 #include <subdev/bios/pmu.h>
29 #include <subdev/timer.h>
32 pmu_code(struct nv50_devinit *init, u32 pmu, u32 img, u32 len, bool sec)
34 struct nvkm_device *device = init->base.subdev.device;
35 struct nvkm_bios *bios = device->bios;
38 nvkm_wr32(device, 0x10a180, 0x01000000 | (sec ? 0x10000000 : 0) | pmu);
39 for (i = 0; i < len; i += 4) {
41 nvkm_wr32(device, 0x10a188, (pmu + i) >> 8);
42 nvkm_wr32(device, 0x10a184, nvbios_rd32(bios, img + i));
46 nvkm_wr32(device, 0x10a184, 0x00000000);
52 pmu_data(struct nv50_devinit *init, u32 pmu, u32 img, u32 len)
54 struct nvkm_device *device = init->base.subdev.device;
55 struct nvkm_bios *bios = device->bios;
58 nvkm_wr32(device, 0x10a1c0, 0x01000000 | pmu);
59 for (i = 0; i < len; i += 4)
60 nvkm_wr32(device, 0x10a1c4, nvbios_rd32(bios, img + i));
64 pmu_args(struct nv50_devinit *init, u32 argp, u32 argi)
66 struct nvkm_device *device = init->base.subdev.device;
67 nvkm_wr32(device, 0x10a1c0, argp);
68 nvkm_wr32(device, 0x10a1c0, nvkm_rd32(device, 0x10a1c4) + argi);
69 return nvkm_rd32(device, 0x10a1c4);
73 pmu_exec(struct nv50_devinit *init, u32 init_addr)
75 struct nvkm_device *device = init->base.subdev.device;
76 nvkm_wr32(device, 0x10a104, init_addr);
77 nvkm_wr32(device, 0x10a10c, 0x00000000);
78 nvkm_wr32(device, 0x10a100, 0x00000002);
82 pmu_load(struct nv50_devinit *init, u8 type, bool post,
83 u32 *init_addr_pmu, u32 *args_addr_pmu)
85 struct nvkm_subdev *subdev = &init->base.subdev;
86 struct nvkm_bios *bios = subdev->device->bios;
87 struct nvbios_pmuR pmu;
89 if (!nvbios_pmuRm(bios, type, &pmu))
95 pmu_code(init, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false);
96 pmu_code(init, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true);
97 pmu_data(init, pmu.data_addr_pmu, pmu.data_addr, pmu.data_size);
100 *init_addr_pmu = pmu.init_addr_pmu;
101 *args_addr_pmu = pmu.args_addr_pmu;
105 return pmu_exec(init, pmu.init_addr_pmu), 0;
109 gm200_devinit_post(struct nvkm_devinit *base, bool post)
111 struct nv50_devinit *init = nv50_devinit(base);
112 struct nvkm_subdev *subdev = &init->base.subdev;
113 struct nvkm_device *device = subdev->device;
114 struct nvkm_bios *bios = device->bios;
115 struct bit_entry bit_I;
119 if (bit_entry(bios, 'I', &bit_I) || bit_I.version != 1 ||
120 bit_I.length < 0x1c) {
121 nvkm_error(subdev, "VBIOS PMU init data not found\n");
125 /* Upload DEVINIT application from VBIOS onto PMU. */
126 ret = pmu_load(init, 0x04, post, &exec, &args);
128 nvkm_error(subdev, "VBIOS PMU/DEVINIT not found\n");
132 /* Upload tables required by opcodes in boot scripts. */
134 u32 pmu = pmu_args(init, args + 0x08, 0x08);
135 u32 img = nvbios_rd16(bios, bit_I.offset + 0x14);
136 u32 len = nvbios_rd16(bios, bit_I.offset + 0x16);
137 pmu_data(init, pmu, img, len);
140 /* Upload boot scripts. */
142 u32 pmu = pmu_args(init, args + 0x08, 0x10);
143 u32 img = nvbios_rd16(bios, bit_I.offset + 0x18);
144 u32 len = nvbios_rd16(bios, bit_I.offset + 0x1a);
145 pmu_data(init, pmu, img, len);
148 /* Execute DEVINIT. */
150 nvkm_wr32(device, 0x10a040, 0x00005000);
151 pmu_exec(init, exec);
152 if (nvkm_msec(device, 2000,
153 if (nvkm_rd32(device, 0x10a040) & 0x00002000)
159 /* Optional: Execute PRE_OS application on PMU, which should at
160 * least take care of fans until a full PMU has been loaded.
162 pmu_load(init, 0x01, post, NULL, NULL);
166 static const struct nvkm_devinit_func
168 .preinit = gf100_devinit_preinit,
169 .init = nv50_devinit_init,
170 .post = gm200_devinit_post,
171 .pll_set = gf100_devinit_pll_set,
172 .disable = gm107_devinit_disable,
176 gm200_devinit_new(struct nvkm_device *device, int index,
177 struct nvkm_devinit **pinit)
179 return nv50_devinit_new_(&gm200_devinit, device, index, pinit);