/*
* 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"
#include <nvfw/flcn.h>
#include <nvfw/fw.h>
#include <nvfw/hs.h>
int
ga102_gsp_reset(struct nvkm_gsp *gsp)
{
int ret;
ret = gsp->falcon.func->reset_eng(&gsp->falcon);
if (ret)
return ret;
nvkm_falcon_mask(&gsp->falcon, 0x1668, 0x00000111, 0x00000111);
return 0;
}
int
ga102_gsp_booter_ctor(struct nvkm_gsp *gsp, const char *name, const struct firmware *blob,
struct nvkm_falcon *falcon, struct nvkm_falcon_fw *fw)
{
struct nvkm_subdev *subdev = &gsp->subdev;
const struct nvkm_falcon_fw_func *func = &ga102_flcn_fw;
const struct nvfw_bin_hdr *hdr;
const struct nvfw_hs_header_v2 *hshdr;
const struct nvfw_hs_load_header_v2 *lhdr;
u32 loc, sig, cnt, *meta;
int ret;
hdr = nvfw_bin_hdr(subdev, blob->data);
hshdr = nvfw_hs_header_v2(subdev, blob->data + hdr->header_offset);
meta = (u32 *)(blob->data + hshdr->meta_data_offset);
loc = *(u32 *)(blob->data + hshdr->patch_loc);
sig = *(u32 *)(blob->data + hshdr->patch_sig);
cnt = *(u32 *)(blob->data + hshdr->num_sig);
ret = nvkm_falcon_fw_ctor(func, name, subdev->device, true,
blob->data + hdr->data_offset, hdr->data_size, falcon, fw);
if (ret)
goto done;
ret = nvkm_falcon_fw_sign(fw, loc, hshdr->sig_prod_size / cnt, blob->data,
cnt, hshdr->sig_prod_offset + sig, 0, 0);
if (ret)
goto done;
lhdr = nvfw_hs_load_header_v2(subdev, blob->data + hshdr->header_offset);
fw->imem_base_img = lhdr->app[0].offset;
fw->imem_base = 0;
fw->imem_size = lhdr->app[0].size;
fw->dmem_base_img = lhdr->os_data_offset;
fw->dmem_base = 0;
fw->dmem_size = lhdr->os_data_size;
fw->dmem_sign = loc - lhdr->os_data_offset;
fw->boot_addr = lhdr->app[0].offset;
fw->fuse_ver = meta[0];
fw->engine_id = meta[1];
fw->ucode_id = meta[2];
done:
if (ret)
nvkm_falcon_fw_dtor(fw);
return ret;
}
static int
ga102_gsp_fwsec_signature(struct nvkm_falcon_fw *fw, u32 *src_base_src)
{
struct nvkm_falcon *falcon = fw->falcon;
struct nvkm_device *device = falcon->owner->device;
u32 sig_fuse_version = fw->fuse_ver;
u32 reg_fuse_version;
int idx = 0;
FLCN_DBG(falcon, "brom: %08x %08x", fw->engine_id, fw->ucode_id);
FLCN_DBG(falcon, "sig_fuse_version: %08x", sig_fuse_version);
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);
reg_fuse_version = BIT(fls(reg_fuse_version));
FLCN_DBG(falcon, "reg_fuse_version: %08x", reg_fuse_version);
if (!(reg_fuse_version & fw->fuse_ver))
return -EINVAL;
while (!(reg_fuse_version & sig_fuse_version & 1)) {
idx += (sig_fuse_version & 1);
reg_fuse_version >>= 1;
sig_fuse_version >>= 1;
}
return idx;
}
const struct nvkm_falcon_fw_func
ga102_gsp_fwsec = {
.signature = ga102_gsp_fwsec_signature,
.reset = gm200_flcn_fw_reset,
.load = ga102_flcn_fw_load,
.boot = ga102_flcn_fw_boot,
};
const struct nvkm_falcon_func
ga102_gsp_flcn = {
.disable = gm200_flcn_disable,
.enable = gm200_flcn_enable,
.select = ga102_flcn_select,
.addr2 = 0x1000,
.riscv_irqmask = 0x528,
.reset_eng = gp102_flcn_reset_eng,
.reset_prep = ga102_flcn_reset_prep,
.reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing,
.imem_dma = &ga102_flcn_dma,
.dmem_dma = &ga102_flcn_dma,
.riscv_active = ga102_flcn_riscv_active,
.intr_retrigger = ga100_flcn_intr_retrigger,
};
static const struct nvkm_gsp_func
ga102_gsp_r535_113_01 = {
.flcn = &ga102_gsp_flcn,
.fwsec = &ga102_gsp_fwsec,
.sig_section = ".fwsignature_ga10x",
.wpr_heap.os_carveout_size = 20 << 20,
.wpr_heap.base_size = 8 << 20,
.wpr_heap.min_size = 84 << 20,
.booter.ctor = ga102_gsp_booter_ctor,
.dtor = r535_gsp_dtor,
.oneinit = tu102_gsp_oneinit,
.init = r535_gsp_init,
.fini = r535_gsp_fini,
.reset = ga102_gsp_reset,
.rm = &r535_gsp_rm,
};
static const struct nvkm_gsp_func
ga102_gsp = {
.flcn = &ga102_gsp_flcn,
};
static struct nvkm_gsp_fwif
ga102_gsps[] = {
{ 0, r535_gsp_load, &ga102_gsp_r535_113_01, "535.113.01" },
{ -1, gv100_gsp_nofw, &ga102_gsp },
{}
};
int
ga102_gsp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_gsp **pgsp)
{
return nvkm_gsp_new_(ga102_gsps, device, type, inst, pgsp);
}