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pmc: Move rail power function to its own object
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CTCaer
parent
88fa4fa861
commit
45ca2938f5
5 changed files with 65 additions and 41 deletions
2
Makefile
2
Makefile
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@ -32,7 +32,7 @@ OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
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# Hardware.
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OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
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bpmp.o ccplex.o clock.o di.o gpio.o i2c.o irq.o mc.o sdram.o \
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pinmux.o se.o smmu.o tsec.o uart.o \
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pinmux.o pmc.o se.o smmu.o tsec.o uart.o \
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fuse.o kfuse.o minerva.o \
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sdmmc.o sdmmc_driver.o emummc.o nx_emmc.o nx_sd.o \
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bq24193.o max17050.o max7762x.o max77620-rtc.o \
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@ -17,11 +17,11 @@
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#include <soc/ccplex.h>
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#include <soc/i2c.h>
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#include <soc/clock.h>
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#include <utils/util.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 <utils/util.h>
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void _ccplex_enable_power()
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{
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@ -40,39 +40,6 @@ void _ccplex_enable_power()
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i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVS_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_0_95V);
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}
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int _ccplex_pmc_enable_partition(u32 part, int enable)
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{
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u32 part_mask = 1 << part;
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u32 desired_state = enable << part;
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// Check if the partition has the state we want.
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if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
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return 1;
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u32 i = 5001;
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while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & 0x100)
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{
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usleep(1);
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i--;
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if (i < 1)
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return 0;
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}
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// Toggle power gating.
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PMC(APBDEV_PMC_PWRGATE_TOGGLE) = part | 0x100;
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i = 5001;
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while (i > 0)
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{
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if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
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break;
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usleep(1);
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i--;
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}
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return 1;
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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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@ -107,11 +74,11 @@ void ccplex_boot_cpu0(u32 entry)
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CLOCK(CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2) &= 0xFFFFF000;
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// Enable CPU rail.
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_ccplex_pmc_enable_partition(0, 1);
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// Enable cluster 0 non-CPU.
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_ccplex_pmc_enable_partition(15, 1);
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// Enable CE0.
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_ccplex_pmc_enable_partition(14, 1);
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pmc_enable_partition(0, 1);
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// Enable cluster 0 non-CPU rail.
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pmc_enable_partition(15, 1);
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// Enable CE0 rail.
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pmc_enable_partition(14, 1);
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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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52
bdk/soc/pmc.c
Normal file
52
bdk/soc/pmc.c
Normal file
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@ -0,0 +1,52 @@
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/*
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* Copyright (c) 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/pmc.h>
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#include <soc/t210.h>
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#include <utils/util.h>
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int pmc_enable_partition(u32 part, int enable)
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{
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u32 part_mask = 1 << part;
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u32 desired_state = enable << part;
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// Check if the partition has the state we want.
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if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
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return 1;
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u32 i = 5001;
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while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & 0x100)
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{
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usleep(1);
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i--;
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if (i < 1)
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return 0;
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}
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// Toggle power gating.
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PMC(APBDEV_PMC_PWRGATE_TOGGLE) = part | 0x100;
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i = 5001;
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while (i > 0)
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{
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if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
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break;
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usleep(1);
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i--;
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}
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return 1;
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}
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@ -1,6 +1,7 @@
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018 st4rk
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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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@ -18,6 +19,8 @@
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#ifndef _PMC_H_
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#define _PMC_H_
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#include <utils/types.h>
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/*! PMC registers. */
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#define APBDEV_PMC_CNTRL 0x0
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#define PMC_CNTRL_MAIN_RST (1 << 4)
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@ -84,4 +87,6 @@
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#define APBDEV_PMC_SCRATCH190 0x818
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#define APBDEV_PMC_SCRATCH200 0x840
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int pmc_enable_partition(u32 part, int enable);
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#endif
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@ -33,7 +33,7 @@ OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
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# Hardware.
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OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
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bpmp.o ccplex.o clock.o di.o gpio.o i2c.o irq.o pinmux.o se.o smmu.o tsec.o uart.o \
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bpmp.o ccplex.o clock.o di.o gpio.o i2c.o irq.o pinmux.o pmc.o se.o smmu.o tsec.o uart.o \
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fuse.o kfuse.o \
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mc.o sdram.o minerva.o ramdisk.o \
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sdmmc.o sdmmc_driver.o nx_emmc.o nx_emmc_bis.o nx_sd.o \
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