blob: 7ab2db9a75a0890e52164d2c44e27e87175e7e22 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#include <stdlib.h>
#include <nvif/device.h>
static CAST
nv_rvram(struct nvif_device *device, u64 addr)
{
if (device->info.family >= NV_DEVICE_INFO_V0_TESLA &&
device->info.family <= NV_DEVICE_INFO_V0_MAXWELL) {
CAST data;
u32 pmem = nv_ro32(device, 0x001700);
nv_wo32(device, 0x001700, 0x00000000 | (addr >> 16));
data = RVRAM(device, 0x700000 + (addr & 0xffffULL));
nv_wo32(device, 0x001700, pmem);
return data;
} else {
printk("unsupported chipset\n");
exit(1);
}
}
#define READ(o) nv_rvram(device, (o))
#define ENABLE (NV_DEVICE_V0_DISABLE_MMIO | NV_DEVICE_V0_DISABLE_IDENTIFY)
#include "nv_rdfunc.h"
|