emi.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
/*
 * This file is created based on MT8186 Functional Specification
 * Chapter number: 4.8
 */
 
#include <assert.h>
#include <cbmem.h>
#include <commonlib/bsd/mem_chip_info.h>
#include <soc/emi.h>
 
size_t sdram_size(void)
{
        const struct mem_chip_info *mc;
        size_t size = 0;
 
        if (ENV_ROMSTAGE) {
                size = mtk_dram_size();
                printk(BIOS_INFO, "dram size (romstage): %#lx\n", size);
                return size;
        }
 
        mc = cbmem_find(CBMEM_ID_MEM_CHIP_INFO);
        assert(mc);
 
        for (unsigned int i = 0; i < mc->num_channels; ++i)
                size += mc->channel[i].density;
 
        printk(BIOS_INFO, "dram size: %#lx\n", size);
        return size;
}
 
void mt_set_emi(struct dramc_param *dparam)
{
        /* Do nothing */
}