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drm/amdgpu: add sys_drv loading support for psp v13

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Add callback function to support sys_drv firmware
loading for psp v13

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2020-04-13 11:08:35 +08:00 committed by Alex Deucher
parent 133d888da9
commit ea6eaf5583
1 changed files with 37 additions and 0 deletions
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37
drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
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@ -116,9 +116,46 @@ static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp)
return ret;
}
static int psp_v13_0_bootloader_load_sysdrv(struct psp_context *psp)
{
int ret;
uint32_t psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
if (psp_v13_0_is_sos_alive(psp))
return 0;
ret = psp_v13_0_wait_for_bootloader(psp);
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 bootloader */
WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36,
(uint32_t)(psp->fw_pri_mc_addr >> 20));
psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35,
psp_gfxdrv_command_reg);
/* there might be handshake issue with hardware which needs delay */
mdelay(20);
ret = psp_v13_0_wait_for_bootloader(psp);
return ret;
}
static const struct psp_funcs psp_v13_0_funcs = {
.init_microcode = psp_v13_0_init_microcode,
.bootloader_load_kdb = psp_v13_0_bootloader_load_kdb,
.bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv,
};
void psp_v13_0_set_psp_funcs(struct psp_context *psp)