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drm/amdgpu/psp: support for loading PSP SPL fw

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Add support for loading SPL firmware.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2020-05-06 16:19:41 +08:00 • committed by Alex Deucher
parent 43a188e0e1
commit 7050905773
3 changed files with 46 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View file

@ -1355,6 +1355,14 @@ static int psp_hw_start(struct psp_context *psp)
}
}
if (psp->spl_bin_size) {
ret = psp_bootloader_load_spl(psp);
if (ret) {
DRM_ERROR("PSP load spl failed!\n");
return ret;
}
}
ret = psp_bootloader_load_sysdrv(psp);
if (ret) {
DRM_ERROR("PSP load sysdrv failed!\n");

4
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View file

@ -50,6 +50,7 @@ enum psp_bootloader_cmd {
PSP_BL__LOAD_KEY_DATABASE = 0x80000,
PSP_BL__DRAM_LONG_TRAIN = 0x100000,
PSP_BL__DRAM_SHORT_TRAIN = 0x200000,
PSP_BL__LOAD_TOS_SPL_TABLE = 0x10000000,
};
enum psp_ring_type
@ -84,6 +85,7 @@ struct psp_funcs
{
int (*init_microcode)(struct psp_context *psp);
int (*bootloader_load_kdb)(struct psp_context *psp);
int (*bootloader_load_spl)(struct psp_context *psp);
int (*bootloader_load_sysdrv)(struct psp_context *psp);
int (*bootloader_load_sos)(struct psp_context *psp);
int (*ring_init)(struct psp_context *psp, enum psp_ring_type ring_type);
@ -298,6 +300,8 @@ struct amdgpu_psp_funcs {
((psp)->funcs->init_microcode ? (psp)->funcs->init_microcode((psp)) : 0)
#define psp_bootloader_load_kdb(psp) \
((psp)->funcs->bootloader_load_kdb ? (psp)->funcs->bootloader_load_kdb((psp)) : 0)
#define psp_bootloader_load_spl(psp) \
((psp)->funcs->bootloader_load_spl ? (psp)->funcs->bootloader_load_spl((psp)) : 0)
#define psp_bootloader_load_sysdrv(psp) \
((psp)->funcs->bootloader_load_sysdrv ? (psp)->funcs->bootloader_load_sysdrv((psp)) : 0)
#define psp_bootloader_load_sos(psp) \

34
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
View file

@ -252,6 +252,39 @@ static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
return ret;
}
static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
{
int ret;
uint32_t psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
/* Check tOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
if (psp_v11_0_is_sos_alive(psp))
return 0;
ret = psp_v11_0_wait_for_bootloader(psp);
if (ret)
return ret;
memset(psp->fw_pri_buf, 0, PSP_1_MEG);
/* Copy PSP SPL binary to memory */
memcpy(psp->fw_pri_buf, psp->spl_start_addr, psp->spl_bin_size);
/* Provide the PSP SPL to bootloader */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
(uint32_t)(psp->fw_pri_mc_addr >> 20));
psp_gfxdrv_command_reg = PSP_BL__LOAD_TOS_SPL_TABLE;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
psp_gfxdrv_command_reg);
ret = psp_v11_0_wait_for_bootloader(psp);
return ret;
}
static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
{
int ret;
@ -785,6 +818,7 @@ static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
static const struct psp_funcs psp_v11_0_funcs = {
.init_microcode = psp_v11_0_init_microcode,
.bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
.bootloader_load_spl = psp_v11_0_bootloader_load_spl,
.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
.bootloader_load_sos = psp_v11_0_bootloader_load_sos,
.ring_init = psp_v11_0_ring_init,