1
0
mirror of https://github.com/CTCaer/hekate.git synced 2024-12-25 06:18:11 +00:00
hekate/bootloader/mem/minerva.c
2019-09-12 23:08:38 +03:00

88 lines
2.2 KiB
C

/*
* Copyright (c) 2019 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdlib.h>
#include "minerva.h"
#include "../soc/fuse.h"
#include "../utils/util.h"
#include "../soc/clock.h"
#include "../ianos/ianos.h"
#include "../soc/fuse.h"
#include "../soc/t210.h"
extern volatile nyx_storage_t *nyx_str;
void minerva_init()
{
u32 curr_ram_idx = 0;
mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg;
// Set table to ram.
mtc_cfg->mtc_table = NULL;
mtc_cfg->sdram_id = (fuse_read_odm(4) >> 3) & 0x1F;
u32 ep_addr = ianos_loader(false, "bootloader/sys/libsys_minerva.bso", DRAM_LIB, (void *)mtc_cfg);
minerva_cfg = (void *)ep_addr;
if (!minerva_cfg)
return;
// Get current frequency
for (curr_ram_idx = 0; curr_ram_idx < 10; curr_ram_idx++)
{
if (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) == mtc_cfg->mtc_table[curr_ram_idx].clk_src_emc)
break;
}
mtc_cfg->rate_from = mtc_cfg->mtc_table[curr_ram_idx].rate_khz;
mtc_cfg->rate_to = 204000;
mtc_cfg->train_mode = OP_TRAIN;
minerva_cfg(mtc_cfg, NULL);
mtc_cfg->rate_to = 800000;
minerva_cfg(mtc_cfg, NULL);
mtc_cfg->rate_to = 1600000;
minerva_cfg(mtc_cfg, NULL);
}
void minerva_change_freq(minerva_freq_t freq)
{
if (!minerva_cfg)
return;
mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg;
if (minerva_cfg && (mtc_cfg->rate_from != freq))
{
mtc_cfg->rate_to = freq;
mtc_cfg->train_mode = OP_SWITCH;
minerva_cfg(mtc_cfg, NULL);
}
}
void minerva_periodic_training()
{
if (!minerva_cfg)
return;
mtc_config_t *mtc_cfg = (mtc_config_t *)&nyx_str->mtc_cfg;
if (minerva_cfg && mtc_cfg->rate_from == FREQ_1600)
{
mtc_cfg->train_mode = OP_PERIODIC_TRAIN;
minerva_cfg(mtc_cfg, NULL);
}
}