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/*
* Copyright 2021 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.
*/
#include "priv.h"
void
ga100_flcn_intr_retrigger(struct nvkm_falcon *falcon)
{
nvkm_falcon_wr32(falcon, 0x3e8, 0x00000001);
}
int
ga100_flcn_fw_signature(struct nvkm_falcon_fw *fw, u32 *src_base_src)
{
struct nvkm_falcon *falcon = fw->falcon;
struct nvkm_device *device = falcon->owner->device;
u32 reg_fuse_version;
int idx;
FLCN_DBG(falcon, "brom: %08x %08x", fw->engine_id, fw->ucode_id);
FLCN_DBG(falcon, "fuse_version: %d", fw->fuse_ver);
if (fw->engine_id & 0x00000001) {
reg_fuse_version = nvkm_rd32(device, 0x824140 + (fw->ucode_id - 1) * 4);
} else
if (fw->engine_id & 0x00000004) {
reg_fuse_version = nvkm_rd32(device, 0x824100 + (fw->ucode_id - 1) * 4);
} else
if (fw->engine_id & 0x00000400) {
reg_fuse_version = nvkm_rd32(device, 0x8241c0 + (fw->ucode_id - 1) * 4);
} else {
WARN_ON(1);
return -ENOSYS;
}
FLCN_DBG(falcon, "reg_fuse_version: %08x", reg_fuse_version);
if (reg_fuse_version) {
reg_fuse_version = fls(reg_fuse_version);
FLCN_DBG(falcon, "reg_fuse_version: %d", reg_fuse_version);
if (WARN_ON(fw->fuse_ver < reg_fuse_version))
return -EINVAL;
idx = fw->fuse_ver - reg_fuse_version;
} else {
idx = fw->sig_nr - 1;
}
return idx;
}
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