104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <bl_common.h>
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#include <debug.h>
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#include <libfdt.h>
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#include <plat_arm.h>
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#include <sgi_ras.h>
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#include <sgi_variant.h>
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#include "../../css/drivers/scmi/scmi.h"
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#include "../../css/drivers/mhu/css_mhu_doorbell.h"
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sgi_platform_info_t sgi_plat_info;
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static scmi_channel_plat_info_t sgi575_scmi_plat_info = {
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.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
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.db_reg_addr = PLAT_CSS_MHU_BASE + CSS_SCMI_MHU_DB_REG_OFF,
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.db_preserve_mask = 0xfffffffe,
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.db_modify_mask = 0x1,
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.ring_doorbell = &mhu_ring_doorbell,
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};
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static scmi_channel_plat_info_t sgi_clark_scmi_plat_info = {
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.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
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.db_reg_addr = PLAT_CSS_MHU_BASE + SENDER_REG_SET(0),
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.db_preserve_mask = 0xfffffffe,
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.db_modify_mask = 0x1,
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.ring_doorbell = &mhuv2_ring_doorbell,
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};
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scmi_channel_plat_info_t *plat_css_get_scmi_info()
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{
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if (sgi_plat_info.platform_id == SGI_CLARK_SID_VER_PART_NUM)
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return &sgi_clark_scmi_plat_info;
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else if (sgi_plat_info.platform_id == SGI575_SSC_VER_PART_NUM)
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return &sgi575_scmi_plat_info;
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else
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panic();
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};
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/*******************************************************************************
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* This function sets the sgi_platform_id and sgi_config_id
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******************************************************************************/
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int sgi_identify_platform(unsigned long hw_config)
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{
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void *fdt;
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int nodeoffset;
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const unsigned int *property;
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fdt = (void *)hw_config;
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/* Check the validity of the fdt */
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assert(fdt_check_header(fdt) == 0);
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nodeoffset = fdt_subnode_offset(fdt, 0, "system-id");
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if (nodeoffset < 0) {
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ERROR("Failed to get system-id node offset\n");
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return -1;
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}
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property = fdt_getprop(fdt, nodeoffset, "platform-id", NULL);
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if (property == NULL) {
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ERROR("Failed to get platform-id property\n");
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return -1;
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}
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sgi_plat_info.platform_id = fdt32_to_cpu(*property);
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property = fdt_getprop(fdt, nodeoffset, "config-id", NULL);
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if (property == NULL) {
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ERROR("Failed to get config-id property\n");
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return -1;
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}
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sgi_plat_info.config_id = fdt32_to_cpu(*property);
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return 0;
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}
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void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
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u_register_t arg2, u_register_t arg3)
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{
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int ret;
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ret = sgi_identify_platform(arg2);
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if (ret == -1)
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panic();
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arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
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}
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void bl31_platform_setup(void)
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{
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arm_bl31_platform_setup();
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#if RAS_EXTENSION
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sgi_ras_intr_handler_setup();
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#endif
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}
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