void
nvkm_falcon_ctor(const struct nvkm_falcon_func *func,
struct nvkm_subdev *subdev, const char *name, u32 addr,
struct nvkm_falcon *falcon)
{
u32 reg;
falcon->func = func;
falcon->owner = subdev;
falcon->name = name;
falcon->addr = addr;
mutex_init(&falcon->mutex);
reg = nvkm_falcon_rd32(falcon, 0x12c);
falcon->version = reg & 0xf;
falcon->secret = (reg >> 4) & 0x3;
falcon->code.ports = (reg >> 8) & 0xf;
falcon->data.ports = (reg >> 12) & 0xf;
reg = nvkm_falcon_rd32(falcon, 0x108);
falcon->code.limit = (reg & 0x1ff) << 8;
falcon->data.limit = (reg & 0x3fe00) >> 1;
reg = nvkm_falcon_rd32(falcon, 0xc08);
falcon->debug = (reg >> 20) & 0x1;
}
int
acr_ls_sec2_post_run(const struct nvkm_acr *acr, const struct nvkm_secboot *sb)
{
const struct nvkm_subdev *subdev = &sb->subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_sec2 *sec = device->sec2;
/* on SEC arguments are always at the beginning of EMEM */
const u32 addr_args = 0x01000000;
u32 reg;
int ret;
ret = acr_ls_msgqueue_post_run(sec->queue, sec->falcon, addr_args);
if (ret)
return ret;
/*
* There is a bug where the LS firmware sometimes require to be started
* twice (this happens only on SEC). Detect and workaround that
* condition.
*
* Once started, the falcon will end up in STOPPED condition (bit 5)
* if successful, or in HALT condition (bit 4) if not.
*/
nvkm_msec(device, 1,
if ((reg = nvkm_falcon_rd32(sb->boot_falcon, 0x100) & 0x30) != 0)
break;
);
