1 /*
2 * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <common/bl_common.h>
8 #include <common/debug.h>
9 #include <drivers/arm/css/css_mhu_doorbell.h>
10 #include <drivers/arm/css/scmi.h>
11 #include <plat/arm/common/plat_arm.h>
12
13 #include <sgm_plat_config.h>
14
15 static scmi_channel_plat_info_t sgm775_scmi_plat_info = {
16 .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
17 .db_reg_addr = PLAT_CSS_MHU_BASE + CSS_SCMI_MHU_DB_REG_OFF,
18 .db_preserve_mask = 0xfffffffe,
19 .db_modify_mask = 0x1,
20 .ring_doorbell = &mhu_ring_doorbell,
21 };
22
plat_css_get_scmi_info(int channel_id)23 scmi_channel_plat_info_t *plat_css_get_scmi_info(int channel_id)
24 {
25 return &sgm775_scmi_plat_info;
26 }
27
bl31_early_platform_setup2(u_register_t arg0,u_register_t arg1,u_register_t arg2,u_register_t arg3)28 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
29 u_register_t arg2, u_register_t arg3)
30 {
31 uint32_t plat_version;
32 bl_params_node_t *bl_params;
33
34 bl_params = ((bl_params_t *)arg0)->head;
35
36 /* Initialize the platform configuration structure */
37 plat_config_init();
38
39 while (bl_params) {
40 if (bl_params->image_id == BL33_IMAGE_ID) {
41 plat_version = mmio_read_32(SSC_VERSION);
42 bl_params->ep_info->args.arg2 = plat_version;
43 break;
44 }
45
46 bl_params = bl_params->next_params_info;
47 }
48
49 arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
50 }
51
plat_arm_psci_override_pm_ops(plat_psci_ops_t * ops)52 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
53 {
54 return css_scmi_override_pm_ops(ops);
55 }
56