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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | /* * Copyright (C) 2010 Francisco Jerez. * All Rights Reserved. * * 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 (including the * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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. * */ #include "nv04.h" #include "fbmem.h" #include <subdev/bios.h> #include <subdev/bios/bmp.h> #include <subdev/bios/init.h> #include <subdev/vga.h> static void nv05_devinit_meminit(struct nvkm_devinit *init) { static const u8 default_config_tab[][2] = { { 0x24, 0x00 }, { 0x28, 0x00 }, { 0x24, 0x01 }, { 0x1f, 0x00 }, { 0x0f, 0x00 }, { 0x17, 0x00 }, { 0x06, 0x00 }, { 0x00, 0x00 } }; struct nvkm_subdev *subdev = &init->subdev; struct nvkm_device *device = subdev->device; struct nvkm_bios *bios = device->bios; struct io_mapping *fb; u32 patt = 0xdeadbeef; u16 data; u8 strap, ramcfg[2]; int i, v; /* Map the framebuffer aperture */ fb = fbmem_init(device); if (!fb) { nvkm_error(subdev, "failed to map fb\n"); return; } strap = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; if ((data = bmp_mem_init_table(bios))) { ramcfg[0] = nvbios_rd08(bios, data + 2 * strap + 0); ramcfg[1] = nvbios_rd08(bios, data + 2 * strap + 1); } else { ramcfg[0] = default_config_tab[strap][0]; ramcfg[1] = default_config_tab[strap][1]; } /* Sequencer off */ nvkm_wrvgas(device, 0, 1, nvkm_rdvgas(device, 0, 1) | 0x20); if (nvkm_rd32(device, NV04_PFB_BOOT_0) & NV04_PFB_BOOT_0_UMA_ENABLE) goto out; nvkm_mask(device, NV04_PFB_DEBUG_0, NV04_PFB_DEBUG_0_REFRESH_OFF, 0); /* If present load the hardcoded scrambling table */ if (data) { for (i = 0, data += 0x10; i < 8; i++, data += 4) { u32 scramble = nvbios_rd32(bios, data); nvkm_wr32(device, NV04_PFB_SCRAMBLE(i), scramble); } } /* Set memory type/width/length defaults depending on the straps */ nvkm_mask(device, NV04_PFB_BOOT_0, 0x3f, ramcfg[0]); if (ramcfg[1] & 0x80) nvkm_mask(device, NV04_PFB_CFG0, 0, NV04_PFB_CFG0_SCRAMBLE); nvkm_mask(device, NV04_PFB_CFG1, 0x700001, (ramcfg[1] & 1) << 20); nvkm_mask(device, NV04_PFB_CFG1, 0, 1); /* Probe memory bus width */ for (i = 0; i < 4; i++) fbmem_poke(fb, 4 * i, patt); if (fbmem_peek(fb, 0xc) != patt) nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_WIDTH_128, 0); /* Probe memory length */ v = nvkm_rd32(device, NV04_PFB_BOOT_0) & NV04_PFB_BOOT_0_RAM_AMOUNT; if (v == NV04_PFB_BOOT_0_RAM_AMOUNT_32MB && (!fbmem_readback(fb, 0x1000000, ++patt) || !fbmem_readback(fb, 0, ++patt))) nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT, NV04_PFB_BOOT_0_RAM_AMOUNT_16MB); if (v == NV04_PFB_BOOT_0_RAM_AMOUNT_16MB && !fbmem_readback(fb, 0x800000, ++patt)) nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT, NV04_PFB_BOOT_0_RAM_AMOUNT_8MB); if (!fbmem_readback(fb, 0x400000, ++patt)) nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT, NV04_PFB_BOOT_0_RAM_AMOUNT_4MB); out: /* Sequencer on */ nvkm_wrvgas(device, 0, 1, nvkm_rdvgas(device, 0, 1) & ~0x20); fbmem_fini(fb); } static const struct nvkm_devinit_func nv05_devinit = { .dtor = nv04_devinit_dtor, .preinit = nv04_devinit_preinit, .post = nv04_devinit_post, .meminit = nv05_devinit_meminit, .pll_set = nv04_devinit_pll_set, }; int nv05_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_devinit **pinit) { return nv04_devinit_new_(&nv05_devinit, device, type, inst, pinit); } |