Commit ea6eaf55 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: add sys_drv loading support for psp v13 



Add callback function to support sys_drv firmware
loading for psp v13

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarLe Ma <Le.Ma@amd.com>
Reviewed-by: default avatarKevin Wang <kevin1.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 133d888d

drivers/gpu/drm/amd/amdgpu/psp_v13_0.c

+37 −0
Original line number Diff line number Diff line
@@ -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)