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https://vps.suchmeme.nl/git/mudkip/Lockpick_RCM.git
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109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2020 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 <soc/ccplex.h>
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#include <soc/hw_init.h>
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#include <soc/i2c.h>
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#include <soc/clock.h>
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#include <soc/pmc.h>
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#include <soc/t210.h>
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#include <power/max77620.h>
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#include <power/max7762x.h>
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#include <power/max77812.h>
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#include <utils/util.h>
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void _ccplex_enable_power_t210()
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{
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// Configure GPIO5 and enable output in order to power CPU pmic.
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max77620_config_gpio(5, MAX77620_GPIO_OUTPUT_ENABLE);
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// Configure CPU pmic.
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// 1-3.x: MAX77621_NFSR_ENABLE.
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// 1.0.0-3.x: MAX77621_T_JUNCTION_120 | MAX77621_CKKADV_TRIP_DISABLE | MAX77621_INDUCTOR_NOMINAL.
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max77621_config_default(REGULATOR_CPU0, MAX77621_CTRL_HOS_CFG);
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// Set voltage and enable cores power.
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max7762x_regulator_set_voltage(REGULATOR_CPU0, 950000);
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max7762x_regulator_enable(REGULATOR_CPU0, true);
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}
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void _ccplex_enable_power_t210b01()
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{
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// Set voltage and enable cores power.
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max7762x_regulator_set_voltage(REGULATOR_CPU1, 800000);
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max7762x_regulator_enable(REGULATOR_CPU1, true);
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}
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void ccplex_boot_cpu0(u32 entry)
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{
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// Set ACTIVE_CLUSER to FAST.
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FLOW_CTLR(FLOW_CTLR_BPMP_CLUSTER_CONTROL) &= 0xFFFFFFFE;
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if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210)
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_ccplex_enable_power_t210();
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else
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_ccplex_enable_power_t210b01();
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clock_enable_pllx();
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// Configure MSELECT source and enable clock to 102MHz.
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CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT) & 0x1FFFFF00) | 6;
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CLOCK(CLK_RST_CONTROLLER_CLK_ENB_V_SET) = BIT(CLK_V_MSELECT);
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// Configure initial CPU clock frequency and enable clock.
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CLOCK(CLK_RST_CONTROLLER_CCLK_BURST_POLICY) = 0x20008888; // PLLX_OUT0_LJ.
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CLOCK(CLK_RST_CONTROLLER_SUPER_CCLK_DIVIDER) = 0x80000000;
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CLOCK(CLK_RST_CONTROLLER_CLK_ENB_V_SET) = BIT(CLK_V_CPUG);
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clock_enable_coresight();
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// CAR2PMC_CPU_ACK_WIDTH should be set to 0.
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CLOCK(CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2) &= 0xFFFFF000;
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// Enable CPU main rail.
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pmc_enable_partition(POWER_RAIL_CRAIL, ENABLE);
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// Enable cluster 0 non-CPU rail.
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pmc_enable_partition(POWER_RAIL_C0NC, ENABLE);
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// Enable CPU0 rail.
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pmc_enable_partition(POWER_RAIL_CE0, ENABLE);
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// Request and wait for RAM repair.
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FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) = 1;
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while (!(FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) & 2))
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;
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EXCP_VEC(EVP_CPU_RESET_VECTOR) = 0;
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// Set reset vector.
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SB(SB_AA64_RESET_LOW) = entry | SB_AA64_RST_AARCH64_MODE_EN;
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SB(SB_AA64_RESET_HIGH) = 0;
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// Non-secure reset vector write disable.
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SB(SB_CSR) = SB_CSR_NS_RST_VEC_WR_DIS;
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(void)SB(SB_CSR);
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// Tighten up the security aperture.
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// MC(MC_TZ_SECURITY_CTRL) = 1;
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// Clear MSELECT reset.
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CLOCK(CLK_RST_CONTROLLER_RST_DEV_V_CLR) = BIT(CLK_V_MSELECT);
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// Clear NONCPU reset.
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CLOCK(CLK_RST_CONTROLLER_RST_CPUG_CMPLX_CLR) = 0x20000000;
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// Clear CPU0 reset.
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// < 5.x: 0x411F000F, Clear CPU{0,1,2,3} POR and CORE, CX0, L2, and DBG reset.
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CLOCK(CLK_RST_CONTROLLER_RST_CPUG_CMPLX_CLR) = 0x41010001;
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}
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