blob: 09f3b728dbf1f6aaaac2bb5fb5cc2264e8747bd2 [file] [log] [blame]
/*
* Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <libfdt.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <common/desc_image_load.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
#include <sgi_variant.h>
/*******************************************************************************
* This function inserts Platform information via device tree nodes as,
* system-id {
* platform-id = <0>;
* config-id = <0>;
* }
******************************************************************************/
static int plat_sgi_append_config_node(void)
{
bl_mem_params_node_t *mem_params;
void *fdt;
int nodeoffset, err;
unsigned int platid = 0, platcfg = 0;
mem_params = get_bl_mem_params_node(NT_FW_CONFIG_ID);
if (mem_params == NULL) {
ERROR("NT_FW CONFIG base address is NULL");
return -1;
}
fdt = (void *)(mem_params->image_info.image_base);
/* Check the validity of the fdt */
if (fdt_check_header(fdt) != 0) {
ERROR("Invalid NT_FW_CONFIG DTB passed\n");
return -1;
}
nodeoffset = fdt_subnode_offset(fdt, 0, "system-id");
if (nodeoffset < 0) {
ERROR("Failed to get system-id node offset\n");
return -1;
}
platid = plat_arm_sgi_get_platform_id();
err = fdt_setprop_u32(fdt, nodeoffset, "platform-id", platid);
if (err < 0) {
ERROR("Failed to set platform-id\n");
return -1;
}
platcfg = plat_arm_sgi_get_config_id();
err = fdt_setprop_u32(fdt, nodeoffset, "config-id", platcfg);
if (err < 0) {
ERROR("Failed to set config-id\n");
return -1;
}
platcfg = plat_arm_sgi_get_multi_chip_mode();
err = fdt_setprop_u32(fdt, nodeoffset, "multi-chip-mode", platcfg);
if (err < 0) {
ERROR("Failed to set multi-chip-mode\n");
return -1;
}
flush_dcache_range((uintptr_t)fdt, mem_params->image_info.image_size);
return 0;
}
/*******************************************************************************
* This function returns the list of executable images.
******************************************************************************/
bl_params_t *plat_get_next_bl_params(void)
{
int ret;
ret = plat_sgi_append_config_node();
if (ret != 0)
panic();
return arm_get_next_bl_params();
}