mirror of
https://github.com/CTCaer/hekate
synced 2024-09-16 12:48:59 +00:00
4d53f21387
Fixes a hang caused when rebooting 2 payload from L4T with old hekate in vendor partition. L4T does not overwrite the nyx storage where the Minerva configuration is stored. This makes new Minerva parse the wrong tables from old hekate and eventually hang the RAM, which causes an exception on BPMP.
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* Copyright (c) 2018-2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "hw_init.h"
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#include "bpmp.h"
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#include "clock.h"
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#include "gpio.h"
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#include "pmc.h"
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#include "t210.h"
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#include "../mem/minerva.h"
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#include "../gfx/di.h"
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#include "../input/touch.h"
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#include "../power/regulator_5v.h"
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#include "../storage/sdmmc.h"
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#include "../thermal/fan.h"
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#include "../utils/util.h"
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extern sdmmc_t sd_sdmmc;
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void reconfig_hw_workaround(bool extra_reconfig, u32 magic)
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{
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// Disable BPMP max clock.
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bpmp_clk_rate_set(BPMP_CLK_NORMAL);
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// Deinit touchscreen and 5V regulators.
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touch_power_off();
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set_fan_duty(0);
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regulator_disable_5v(REGULATOR_5V_ALL);
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// Flush/disable MMU cache and set DRAM clock to 204MHz.
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bpmp_mmu_disable();
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minerva_change_freq(FREQ_204);
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nyx_str->mtc_cfg.init_done = 0;
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// Re-enable clocks to Audio Processing Engine as a workaround to hanging.
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CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) |= (1 << 10); // Enable AHUB clock.
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CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 << 6); // Enable APE clock.
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if (extra_reconfig)
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{
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msleep(10);
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PMC(APBDEV_PMC_PWR_DET_VAL) |= PMC_PWR_DET_SDMMC1_IO_EN;
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clock_disable_cl_dvfs();
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// Disable Joy-con GPIOs.
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gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_SPIO);
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gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_SPIO);
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gpio_config(GPIO_PORT_E, GPIO_PIN_6, GPIO_MODE_SPIO);
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gpio_config(GPIO_PORT_H, GPIO_PIN_6, GPIO_MODE_SPIO);
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}
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// Power off display.
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display_end();
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// Enable clock to USBD and init SDMMC1 to avoid hangs with bad hw inits.
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if (magic == 0xBAADF00D)
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{
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CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) |= (1 << 22);
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sdmmc_init(&sd_sdmmc, SDMMC_1, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, 5, 0);
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clock_disable_cl_dvfs();
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msleep(200);
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}
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} |