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/*
* Copyright (C) 2022-2023, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <errno.h>
#include <stdbool.h>
#include <common/debug.h>
#include <common/fdt_wrappers.h>
#include <drivers/st/stm32mp_ram.h>
#include <libfdt.h>
#include <platform_def.h>
int stm32mp_ddr_dt_get_info(void *fdt, int node, struct stm32mp_ddr_info *info)
{
int ret;
ret = fdt_read_uint32(fdt, node, "st,mem-speed", &info->speed);
if (ret < 0) {
VERBOSE("%s: no st,mem-speed\n", __func__);
return -EINVAL;
}
info->size = dt_get_ddr_size();
if (info->size == 0U) {
VERBOSE("%s: no st,mem-size\n", __func__);
return -EINVAL;
}
info->name = fdt_getprop(fdt, node, "st,mem-name", NULL);
if (info->name == NULL) {
VERBOSE("%s: no st,mem-name\n", __func__);
return -EINVAL;
}
INFO("RAM: %s\n", info->name);
return 0;
}
int stm32mp_ddr_dt_get_param(void *fdt, int node, const struct stm32mp_ddr_param *param,
uint32_t param_size, uintptr_t config)
{
int ret;
uint32_t idx;
for (idx = 0U; idx < param_size; idx++) {
ret = fdt_read_uint32_array(fdt, node, param[idx].name, param[idx].size,
(void *)(config + param[idx].offset));
VERBOSE("%s: %s[0x%x] = %d\n", __func__, param[idx].name, param[idx].size, ret);
if (ret != 0) {
ERROR("%s: Cannot read %s, error=%d\n", __func__, param[idx].name, ret);
return -EINVAL;
}
}
return 0;
}
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