144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/*
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* Copyright (C) 2010 Francisco Jerez.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "nv04.h"
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#include "fbmem.h"
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#include <subdev/bios.h>
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#include <subdev/bios/bmp.h>
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#include <subdev/bios/init.h>
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#include <subdev/vga.h>
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static void
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nv05_devinit_meminit(struct nvkm_devinit *init)
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{
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static const u8 default_config_tab[][2] = {
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{ 0x24, 0x00 },
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{ 0x28, 0x00 },
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{ 0x24, 0x01 },
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{ 0x1f, 0x00 },
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{ 0x0f, 0x00 },
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{ 0x17, 0x00 },
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{ 0x06, 0x00 },
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{ 0x00, 0x00 }
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};
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struct nvkm_subdev *subdev = &init->subdev;
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struct nvkm_device *device = subdev->device;
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struct nvkm_bios *bios = device->bios;
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struct io_mapping *fb;
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u32 patt = 0xdeadbeef;
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u16 data;
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u8 strap, ramcfg[2];
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int i, v;
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/* Map the framebuffer aperture */
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fb = fbmem_init(device);
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if (!fb) {
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nvkm_error(subdev, "failed to map fb\n");
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return;
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}
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strap = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2;
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if ((data = bmp_mem_init_table(bios))) {
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ramcfg[0] = nvbios_rd08(bios, data + 2 * strap + 0);
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ramcfg[1] = nvbios_rd08(bios, data + 2 * strap + 1);
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} else {
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ramcfg[0] = default_config_tab[strap][0];
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ramcfg[1] = default_config_tab[strap][1];
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}
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/* Sequencer off */
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nvkm_wrvgas(device, 0, 1, nvkm_rdvgas(device, 0, 1) | 0x20);
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if (nvkm_rd32(device, NV04_PFB_BOOT_0) & NV04_PFB_BOOT_0_UMA_ENABLE)
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goto out;
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nvkm_mask(device, NV04_PFB_DEBUG_0, NV04_PFB_DEBUG_0_REFRESH_OFF, 0);
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/* If present load the hardcoded scrambling table */
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if (data) {
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for (i = 0, data += 0x10; i < 8; i++, data += 4) {
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u32 scramble = nvbios_rd32(bios, data);
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nvkm_wr32(device, NV04_PFB_SCRAMBLE(i), scramble);
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}
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}
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/* Set memory type/width/length defaults depending on the straps */
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nvkm_mask(device, NV04_PFB_BOOT_0, 0x3f, ramcfg[0]);
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if (ramcfg[1] & 0x80)
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nvkm_mask(device, NV04_PFB_CFG0, 0, NV04_PFB_CFG0_SCRAMBLE);
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nvkm_mask(device, NV04_PFB_CFG1, 0x700001, (ramcfg[1] & 1) << 20);
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nvkm_mask(device, NV04_PFB_CFG1, 0, 1);
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/* Probe memory bus width */
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for (i = 0; i < 4; i++)
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fbmem_poke(fb, 4 * i, patt);
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if (fbmem_peek(fb, 0xc) != patt)
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nvkm_mask(device, NV04_PFB_BOOT_0,
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NV04_PFB_BOOT_0_RAM_WIDTH_128, 0);
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/* Probe memory length */
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v = nvkm_rd32(device, NV04_PFB_BOOT_0) & NV04_PFB_BOOT_0_RAM_AMOUNT;
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if (v == NV04_PFB_BOOT_0_RAM_AMOUNT_32MB &&
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(!fbmem_readback(fb, 0x1000000, ++patt) ||
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!fbmem_readback(fb, 0, ++patt)))
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nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT,
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NV04_PFB_BOOT_0_RAM_AMOUNT_16MB);
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if (v == NV04_PFB_BOOT_0_RAM_AMOUNT_16MB &&
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!fbmem_readback(fb, 0x800000, ++patt))
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nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT,
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NV04_PFB_BOOT_0_RAM_AMOUNT_8MB);
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if (!fbmem_readback(fb, 0x400000, ++patt))
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nvkm_mask(device, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT,
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NV04_PFB_BOOT_0_RAM_AMOUNT_4MB);
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out:
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/* Sequencer on */
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nvkm_wrvgas(device, 0, 1, nvkm_rdvgas(device, 0, 1) & ~0x20);
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fbmem_fini(fb);
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}
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static const struct nvkm_devinit_func
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nv05_devinit = {
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.dtor = nv04_devinit_dtor,
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.preinit = nv04_devinit_preinit,
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.post = nv04_devinit_post,
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.meminit = nv05_devinit_meminit,
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.pll_set = nv04_devinit_pll_set,
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};
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int
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nv05_devinit_new(struct nvkm_device *device, int index,
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struct nvkm_devinit **pinit)
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{
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return nv04_devinit_new_(&nv05_devinit, device, index, pinit);
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}
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