/*
* Copyright 2013 Red Hat Inc .
*
* 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 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 HOLDER ( S ) OR AUTHOR ( S ) 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 .
*
* Authors : Ben Skeggs
*/
#include "ram.h"
#include "regsnv04.h"
const struct nvkm_ram_func
nv04_ram_func = {
};
int
nv04_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
struct nvkm_device *device = fb->subdev.device;
u32 boot0 = nvkm_rd32(device, NV04_PFB_BOOT_0);
u64 size;
enum nvkm_ram_type type;
if (boot0 & 0 x00000100) {
size = ((boot0 >> 12 ) & 0 xf) * 2 + 2 ;
size *= 1024 * 1024 ;
} else {
switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
size = 32 * 1024 * 1024 ;
break ;
case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
size = 16 * 1024 * 1024 ;
break ;
case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
size = 8 * 1024 * 1024 ;
break ;
case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
size = 4 * 1024 * 1024 ;
break ;
}
}
if ((boot0 & 0 x00000038) <= 0 x10)
type = NVKM_RAM_TYPE_SGRAM;
else
type = NVKM_RAM_TYPE_SDRAM;
return nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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