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hekate/nyx/nyx_gui/soc/hw_init.c
ctcaer@gmail.com c41f98039c [Nyx] Introducing hekate GUI, named Nyx!
Version 0.8.0.

Expect dragons!
2019-06-30 04:03:00 +03:00

73 lines
2.0 KiB
C

/*
* Copyright (c) 2018-2019 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 "hw_init.h"
#include "bpmp.h"
#include "clock.h"
#include "gpio.h"
#include "pmc.h"
#include "t210.h"
#include "../mem/minerva.h"
#include "../gfx/di.h"
#include "../input/touch.h"
#include "../storage/sdmmc.h"
#include "../utils/util.h"
extern sdmmc_t sd_sdmmc;
void reconfig_hw_workaround(bool extra_reconfig, u32 magic)
{
// Flush and disable MMU.
bpmp_mmu_disable();
bpmp_clk_rate_set(BPMP_CLK_NORMAL);
minerva_change_freq(FREQ_204);
touch_power_off();
// Re-enable clocks to Audio Processing Engine as a workaround to hanging.
CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) |= (1 << 10); // Enable AHUB clock.
CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 << 6); // Enable APE clock.
if (extra_reconfig)
{
msleep(10);
PMC(APBDEV_PMC_PWR_DET_VAL) |= PMC_PWR_DET_SDMMC1_IO_EN;
clock_disable_cl_dvfs();
// Disable Joy-con GPIOs.
gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_E, GPIO_PIN_6, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_H, GPIO_PIN_6, GPIO_MODE_SPIO);
}
// Power off display.
display_end();
// Enable clock to USBD and init SDMMC1 to avoid hangs with bad hw inits.
if (magic == 0xBAADF00D)
{
CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) |= (1 << 22);
sdmmc_init(&sd_sdmmc, SDMMC_1, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, 5, 0);
clock_disable_cl_dvfs();
msleep(200);
}
}