80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
|
|
* 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/init.h>
|
|
|
|
static void
|
|
nv20_devinit_meminit(struct nvkm_devinit *init)
|
|
{
|
|
struct nvkm_subdev *subdev = &init->subdev;
|
|
struct nvkm_device *device = subdev->device;
|
|
uint32_t mask = (device->chipset >= 0x25 ? 0x300 : 0x900);
|
|
uint32_t amount, off;
|
|
struct io_mapping *fb;
|
|
|
|
/* Map the framebuffer aperture */
|
|
fb = fbmem_init(device);
|
|
if (!fb) {
|
|
nvkm_error(subdev, "failed to map fb\n");
|
|
return;
|
|
}
|
|
|
|
nvkm_wr32(device, NV10_PFB_REFCTRL, NV10_PFB_REFCTRL_VALID_1);
|
|
|
|
/* Allow full addressing */
|
|
nvkm_mask(device, NV04_PFB_CFG0, 0, mask);
|
|
|
|
amount = nvkm_rd32(device, 0x10020c);
|
|
for (off = amount; off > 0x2000000; off -= 0x2000000)
|
|
fbmem_poke(fb, off - 4, off);
|
|
|
|
amount = nvkm_rd32(device, 0x10020c);
|
|
if (amount != fbmem_peek(fb, amount - 4))
|
|
/* IC missing - disable the upper half memory space. */
|
|
nvkm_mask(device, NV04_PFB_CFG0, mask, 0);
|
|
|
|
fbmem_fini(fb);
|
|
}
|
|
|
|
static const struct nvkm_devinit_func
|
|
nv20_devinit = {
|
|
.dtor = nv04_devinit_dtor,
|
|
.preinit = nv04_devinit_preinit,
|
|
.post = nv04_devinit_post,
|
|
.meminit = nv20_devinit_meminit,
|
|
.pll_set = nv04_devinit_pll_set,
|
|
};
|
|
|
|
int
|
|
nv20_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
|
|
struct nvkm_devinit **pinit)
|
|
{
|
|
return nv04_devinit_new_(&nv20_devinit, device, type, inst, pinit);
|
|
}
|