mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018 Atmosphère-NX
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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 "mc.h"
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#include "car.h"
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#include "timers.h"
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void mc_enable_for_tsec()
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{
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volatile tegra_car_t *car = car_get_regs();
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/* Set EMC clock source. */
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car->clk_source_emc = ((car->clk_source_emc & 0x1FFFFFFF) | 0x40000000);
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/* Enable MIPI CAL clock. */
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car->clk_enb_h_set = ((car->clk_enb_h_set & 0xFDFFFFFF) | 0x2000000);
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/* Enable MC clock. */
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car->clk_enb_h_set = ((car->clk_enb_h_set & 0xFFFFFFFE) | 1);
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/* Enable EMC DLL clock. */
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car->clk_enb_x_set = ((car->clk_enb_x_set & 0xFFFFBFFF) | 0x4000);
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/* Clear EMC and MC reset. */
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/* NOTE: [4.0.0+] This was changed to use the right register. */
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/* car->rst_dev_h_set = 0x2000001; */
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car->rst_dev_h_clr = 0x2000001;
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udelay(5);
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/* Enable AHB redirect, weird boundaries for new TSEC firmware. */
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car->lvl2_clk_gate_ovrd = ((car->lvl2_clk_gate_ovrd & 0xFFF7FFFF) | 0x80000);
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MAKE_MC_REG(MC_IRAM_REG_CTRL) &= 0xFFFFFFFE;
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MAKE_MC_REG(MC_IRAM_BOM) = 0x40000000;
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MAKE_MC_REG(MC_IRAM_TOM) = 0x80000000;
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}
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