pmc: Move rail power function to its own object

This commit is contained in:
CTCaer 2020-07-18 00:42:53 +03:00
parent 88fa4fa861
commit 45ca2938f5
5 changed files with 65 additions and 41 deletions

View file

@ -32,7 +32,7 @@ OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
# Hardware.
OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
bpmp.o ccplex.o clock.o di.o gpio.o i2c.o irq.o mc.o sdram.o \
pinmux.o se.o smmu.o tsec.o uart.o \
pinmux.o pmc.o se.o smmu.o tsec.o uart.o \
fuse.o kfuse.o minerva.o \
sdmmc.o sdmmc_driver.o emummc.o nx_emmc.o nx_sd.o \
bq24193.o max17050.o max7762x.o max77620-rtc.o \

View file

@ -17,11 +17,11 @@
#include <soc/ccplex.h>
#include <soc/i2c.h>
#include <soc/clock.h>
#include <utils/util.h>
#include <soc/pmc.h>
#include <soc/t210.h>
#include <power/max77620.h>
#include <power/max7762x.h>
#include <utils/util.h>
void _ccplex_enable_power()
{
@ -40,39 +40,6 @@ void _ccplex_enable_power()
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVS_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_0_95V);
}
int _ccplex_pmc_enable_partition(u32 part, int enable)
{
u32 part_mask = 1 << part;
u32 desired_state = enable << part;
// Check if the partition has the state we want.
if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
return 1;
u32 i = 5001;
while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & 0x100)
{
usleep(1);
i--;
if (i < 1)
return 0;
}
// Toggle power gating.
PMC(APBDEV_PMC_PWRGATE_TOGGLE) = part | 0x100;
i = 5001;
while (i > 0)
{
if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
break;
usleep(1);
i--;
}
return 1;
}
void ccplex_boot_cpu0(u32 entry)
{
// Set ACTIVE_CLUSER to FAST.
@ -107,11 +74,11 @@ void ccplex_boot_cpu0(u32 entry)
CLOCK(CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2) &= 0xFFFFF000;
// Enable CPU rail.
_ccplex_pmc_enable_partition(0, 1);
// Enable cluster 0 non-CPU.
_ccplex_pmc_enable_partition(15, 1);
// Enable CE0.
_ccplex_pmc_enable_partition(14, 1);
pmc_enable_partition(0, 1);
// Enable cluster 0 non-CPU rail.
pmc_enable_partition(15, 1);
// Enable CE0 rail.
pmc_enable_partition(14, 1);
// Request and wait for RAM repair.
FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) = 1;

52
bdk/soc/pmc.c Normal file
View file

@ -0,0 +1,52 @@
/*
* Copyright (c) 2020 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 <soc/pmc.h>
#include <soc/t210.h>
#include <utils/util.h>
int pmc_enable_partition(u32 part, int enable)
{
u32 part_mask = 1 << part;
u32 desired_state = enable << part;
// Check if the partition has the state we want.
if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
return 1;
u32 i = 5001;
while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & 0x100)
{
usleep(1);
i--;
if (i < 1)
return 0;
}
// Toggle power gating.
PMC(APBDEV_PMC_PWRGATE_TOGGLE) = part | 0x100;
i = 5001;
while (i > 0)
{
if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
break;
usleep(1);
i--;
}
return 1;
}

View file

@ -1,6 +1,7 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 st4rk
* Copyright (c) 2018-2020 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,
@ -18,6 +19,8 @@
#ifndef _PMC_H_
#define _PMC_H_
#include <utils/types.h>
/*! PMC registers. */
#define APBDEV_PMC_CNTRL 0x0
#define PMC_CNTRL_MAIN_RST (1 << 4)
@ -84,4 +87,6 @@
#define APBDEV_PMC_SCRATCH190 0x818
#define APBDEV_PMC_SCRATCH200 0x840
int pmc_enable_partition(u32 part, int enable);
#endif

View file

@ -33,7 +33,7 @@ OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
# Hardware.
OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
bpmp.o ccplex.o clock.o di.o gpio.o i2c.o irq.o pinmux.o se.o smmu.o tsec.o uart.o \
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 \
fuse.o kfuse.o \
mc.o sdram.o minerva.o ramdisk.o \
sdmmc.o sdmmc_driver.o nx_emmc.o nx_emmc_bis.o nx_sd.o \