blob: 3f3fac2d50cdf19e002a5ad7773d68003ab5aa57 [file] [log] [blame]
/*
* Copyright 2018 Advanced Micro Devices, 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 <linux/firmware.h>
#include "amdgpu.h"
#include "amdgpu_psp.h"
#include "amdgpu_ucode.h"
#include "soc15_common.h"
#include "psp_v11_0.h"
#include "mp/mp_11_0_offset.h"
#include "mp/mp_11_0_sh_mask.h"
#include "gc/gc_9_0_offset.h"
#include "sdma0/sdma0_4_0_offset.h"
#include "nbio/nbio_7_4_offset.h"
MODULE_FIRMWARE("amdgpu/vega20_sos.bin");
/* address block */
#define smnMP1_FIRMWARE_FLAGS 0x3010024
static int
psp_v11_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type)
{
switch (ucode->ucode_id) {
case AMDGPU_UCODE_ID_SDMA0:
*type = GFX_FW_TYPE_SDMA0;
break;
case AMDGPU_UCODE_ID_SDMA1:
*type = GFX_FW_TYPE_SDMA1;
break;
case AMDGPU_UCODE_ID_CP_CE:
*type = GFX_FW_TYPE_CP_CE;
break;
case AMDGPU_UCODE_ID_CP_PFP:
*type = GFX_FW_TYPE_CP_PFP;
break;
case AMDGPU_UCODE_ID_CP_ME:
*type = GFX_FW_TYPE_CP_ME;
break;
case AMDGPU_UCODE_ID_CP_MEC1:
*type = GFX_FW_TYPE_CP_MEC;
break;
case AMDGPU_UCODE_ID_CP_MEC1_JT:
*type = GFX_FW_TYPE_CP_MEC_ME1;
break;
case AMDGPU_UCODE_ID_CP_MEC2:
*type = GFX_FW_TYPE_CP_MEC;
break;
case AMDGPU_UCODE_ID_CP_MEC2_JT:
*type = GFX_FW_TYPE_CP_MEC_ME2;
break;
case AMDGPU_UCODE_ID_RLC_G:
*type = GFX_FW_TYPE_RLC_G;
break;
case AMDGPU_UCODE_ID_SMC:
*type = GFX_FW_TYPE_SMU;
break;
case AMDGPU_UCODE_ID_UVD:
*type = GFX_FW_TYPE_UVD;
break;
case AMDGPU_UCODE_ID_VCE:
*type = GFX_FW_TYPE_VCE;
break;
case AMDGPU_UCODE_ID_UVD1:
*type = GFX_FW_TYPE_UVD1;
break;
case AMDGPU_UCODE_ID_MAXIMUM:
default:
return -EINVAL;
}
return 0;
}
static int psp_v11_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
const char *chip_name;
char fw_name[30];
int err = 0;
const struct psp_firmware_header_v1_0 *hdr;
DRM_DEBUG("\n");
switch (adev->asic_type) {
case CHIP_VEGA20:
chip_name = "vega20";
break;
default:
BUG();
}
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
if (err)
goto out;
err = amdgpu_ucode_validate(adev->psp.sos_fw);
if (err)
goto out;
hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
adev->psp.sos_fw_version = le32_to_cpu(hdr->header.ucode_version);
adev->psp.sos_feature_version = le32_to_cpu(hdr->ucode_feature_version);
adev->psp.sos_bin_size = le32_to_cpu(hdr->sos_size_bytes);
adev->psp.sys_bin_size = le32_to_cpu(hdr->header.ucode_size_bytes) -
le32_to_cpu(hdr->sos_size_bytes);
adev->psp.sys_start_addr = (uint8_t *)hdr +
le32_to_cpu(hdr->header.ucode_array_offset_bytes);
adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
le32_to_cpu(hdr->sos_offset_bytes);
return 0;
out:
if (err) {
dev_err(adev->dev,
"psp v11.0: Failed to load firmware \"%s\"\n",
fw_name);
release_firmware(adev->psp.sos_fw);
adev->psp.sos_fw = NULL;
}
return err;
}
static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
{
int ret;
uint32_t psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
uint32_t sol_reg;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
if (sol_reg)
return 0;
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
0x80000000, 0x80000000, false);
if (ret)
return ret;
memset(psp->fw_pri_buf, 0, PSP_1_MEG);
/* Copy PSP System Driver binary to memory */
memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
/* Provide the sys driver to bootrom */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
(uint32_t)(psp->fw_pri_mc_addr >> 20));
psp_gfxdrv_command_reg = 1 << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
psp_gfxdrv_command_reg);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
0x80000000, 0x80000000, false);
return ret;
}
static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
{
int ret;
unsigned int psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
uint32_t sol_reg;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
if (sol_reg)
return 0;
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
0x80000000, 0x80000000, false);
if (ret)
return ret;
memset(psp->fw_pri_buf, 0, PSP_1_MEG);
/* Copy Secure OS binary to PSP memory */
memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
/* Provide the PSP secure OS to bootrom */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
(uint32_t)(psp->fw_pri_mc_addr >> 20));
psp_gfxdrv_command_reg = 2 << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
psp_gfxdrv_command_reg);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
0, true);
return ret;
}
static int psp_v11_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
struct psp_gfx_cmd_resp *cmd)
{
int ret;
uint64_t fw_mem_mc_addr = ucode->mc_addr;
memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size;
ret = psp_v11_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
if (ret)
DRM_ERROR("Unknown firmware type\n");
return ret;
}
static int psp_v11_0_ring_init(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
struct psp_ring *ring;
struct amdgpu_device *adev = psp->adev;
ring = &psp->km_ring;
ring->ring_type = ring_type;
/* allocate 4k Page of Local Frame Buffer memory for ring */
ring->ring_size = 0x1000;
ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&adev->firmware.rbuf,
&ring->ring_mem_mc_addr,
(void **)&ring->ring_mem);
if (ret) {
ring->ring_size = 0;
return ret;
}
return 0;
}
static int psp_v11_0_ring_create(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
unsigned int psp_ring_reg = 0;
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
/* Write low address of the ring to C2PMSG_69 */
psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
/* Write high address of the ring to C2PMSG_70 */
psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
/* Write size of ring to C2PMSG_71 */
psp_ring_reg = ring->ring_size;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
/* Write the ring initialization command to C2PMSG_64 */
psp_ring_reg = ring_type;
psp_ring_reg = psp_ring_reg << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x8000FFFF, false);
return ret;
}
static int psp_v11_0_ring_stop(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
struct amdgpu_device *adev = psp->adev;
/* Write the ring destroy command to C2PMSG_64 */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_DESTROY_RINGS);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x80000000, false);
return ret;
}
static int psp_v11_0_ring_destroy(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
ret = psp_v11_0_ring_stop(psp, ring_type);
if (ret)
DRM_ERROR("Fail to stop psp ring\n");
amdgpu_bo_free_kernel(&adev->firmware.rbuf,
&ring->ring_mem_mc_addr,
(void **)&ring->ring_mem);
return ret;
}
static int psp_v11_0_cmd_submit(struct psp_context *psp,
struct amdgpu_firmware_info *ucode,
uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
int index)
{
unsigned int psp_write_ptr_reg = 0;
struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem;
struct psp_ring *ring = &psp->km_ring;
struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
struct amdgpu_device *adev = psp->adev;
uint32_t ring_size_dw = ring->ring_size / 4;
uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
/* KM (GPCOM) prepare write pointer */
psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
/* Update KM RB frame pointer to new frame */
/* write_frame ptr increments by size of rb_frame in bytes */
/* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
if ((psp_write_ptr_reg % ring_size_dw) == 0)
write_frame = ring_buffer_start;
else
write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
/* Check invalid write_frame ptr address */
if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
ring_buffer_start, ring_buffer_end, write_frame);
DRM_ERROR("write_frame is pointing to address out of bounds\n");
return -EINVAL;
}
/* Initialize KM RB frame */
memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
/* Update KM RB frame */
write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
write_frame->fence_value = index;
/* Update the write Pointer in DWORDs */
psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
return 0;
}
static int
psp_v11_0_sram_map(struct amdgpu_device *adev,
unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
unsigned int *sram_data_reg_offset,
enum AMDGPU_UCODE_ID ucode_id)
{
int ret = 0;
switch (ucode_id) {
/* TODO: needs to confirm */
#if 0
case AMDGPU_UCODE_ID_SMC:
*sram_offset = 0;
*sram_addr_reg_offset = 0;
*sram_data_reg_offset = 0;
break;
#endif
case AMDGPU_UCODE_ID_CP_CE:
*sram_offset = 0x0;
*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
break;
case AMDGPU_UCODE_ID_CP_PFP:
*sram_offset = 0x0;
*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
break;
case AMDGPU_UCODE_ID_CP_ME:
*sram_offset = 0x0;
*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
break;
case AMDGPU_UCODE_ID_CP_MEC1:
*sram_offset = 0x10000;
*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
break;
case AMDGPU_UCODE_ID_CP_MEC2:
*sram_offset = 0x10000;
*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
break;
case AMDGPU_UCODE_ID_RLC_G:
*sram_offset = 0x2000;
*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
break;
case AMDGPU_UCODE_ID_SDMA0:
*sram_offset = 0x0;
*sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
*sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
break;
/* TODO: needs to confirm */
#if 0
case AMDGPU_UCODE_ID_SDMA1:
*sram_offset = ;
*sram_addr_reg_offset = ;
break;
case AMDGPU_UCODE_ID_UVD:
*sram_offset = ;
*sram_addr_reg_offset = ;
break;
case AMDGPU_UCODE_ID_VCE:
*sram_offset = ;
*sram_addr_reg_offset = ;
break;
#endif
case AMDGPU_UCODE_ID_MAXIMUM:
default:
ret = -EINVAL;
break;
}
return ret;
}
static bool psp_v11_0_compare_sram_data(struct psp_context *psp,
struct amdgpu_firmware_info *ucode,
enum AMDGPU_UCODE_ID ucode_type)
{
int err = 0;
unsigned int fw_sram_reg_val = 0;
unsigned int fw_sram_addr_reg_offset = 0;
unsigned int fw_sram_data_reg_offset = 0;
unsigned int ucode_size;
uint32_t *ucode_mem = NULL;
struct amdgpu_device *adev = psp->adev;
err = psp_v11_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
&fw_sram_data_reg_offset, ucode_type);
if (err)
return false;
WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
ucode_size = ucode->ucode_size;
ucode_mem = (uint32_t *)ucode->kaddr;
while (ucode_size) {
fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
if (*ucode_mem != fw_sram_reg_val)
return false;
ucode_mem++;
/* 4 bytes */
ucode_size -= 4;
}
return true;
}
static int psp_v11_0_mode1_reset(struct psp_context *psp)
{
int ret;
uint32_t offset;
struct amdgpu_device *adev = psp->adev;
offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
if (ret) {
DRM_INFO("psp is not working correctly before mode1 reset!\n");
return -EINVAL;
}
/*send the mode 1 reset command*/
WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
mdelay(1000);
offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
if (ret) {
DRM_INFO("psp mode 1 reset failed!\n");
return -EINVAL;
}
DRM_INFO("psp mode1 reset succeed \n");
return 0;
}
/* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready.
* For now, return success and hack the hive_id so high level code can
* start testing
*/
static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp,
int number_devices, struct psp_xgmi_topology_info *topology)
{
return 0;
}
static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp,
int number_devices, struct psp_xgmi_topology_info *topology)
{
return 0;
}
static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp)
{
u64 hive_id = 0;
/* Remove me when we can get correct hive_id through PSP */
if (psp->adev->gmc.xgmi.num_physical_nodes)
hive_id = 0x123456789abcdef;
return hive_id;
}
static const struct psp_funcs psp_v11_0_funcs = {
.init_microcode = psp_v11_0_init_microcode,
.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
.bootloader_load_sos = psp_v11_0_bootloader_load_sos,
.prep_cmd_buf = psp_v11_0_prep_cmd_buf,
.ring_init = psp_v11_0_ring_init,
.ring_create = psp_v11_0_ring_create,
.ring_stop = psp_v11_0_ring_stop,
.ring_destroy = psp_v11_0_ring_destroy,
.cmd_submit = psp_v11_0_cmd_submit,
.compare_sram_data = psp_v11_0_compare_sram_data,
.mode1_reset = psp_v11_0_mode1_reset,
.xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info,
.xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info,
.xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id,
};
void psp_v11_0_set_psp_funcs(struct psp_context *psp)
{
psp->funcs = &psp_v11_0_funcs;
}