mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-23 12:51:13 +00:00
139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
/*
|
|
* Copyright (c) 2018 Atmosphère-NX
|
|
*
|
|
* 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 "car.h"
|
|
#include "timers.h"
|
|
#include "utils.h"
|
|
|
|
static inline uint32_t get_clk_source_reg(CarDevice dev) {
|
|
switch (dev) {
|
|
case CARDEVICE_UARTA: return 0x178;
|
|
case CARDEVICE_UARTB: return 0x17C;
|
|
case CARDEVICE_UARTC: return 0x1A0;
|
|
case CARDEVICE_I2C1: return 0x124;
|
|
case CARDEVICE_I2C5: return 0x128;
|
|
case CARDEVICE_UNK: return 0;
|
|
case CARDEVICE_SE: return 0x42C;
|
|
case CARDEVICE_HOST1X: return 0x180;
|
|
case CARDEVICE_TSEC: return 0x1F4;
|
|
case CARDEVICE_SOR_SAFE: return 0;
|
|
case CARDEVICE_SOR0: return 0;
|
|
case CARDEVICE_SOR1: return 0x410;
|
|
case CARDEVICE_KFUSE: return 0;
|
|
case CARDEVICE_CL_DVFS: return 0;
|
|
case CARDEVICE_CORESIGHT: return 0x1D4;
|
|
case CARDEVICE_ACTMON: return 0x3E8;
|
|
case CARDEVICE_BPMP: return 0;
|
|
default: generic_panic();
|
|
}
|
|
}
|
|
|
|
static inline uint32_t get_clk_source_val(CarDevice dev) {
|
|
switch (dev) {
|
|
case CARDEVICE_UARTA: return 0;
|
|
case CARDEVICE_UARTB: return 0;
|
|
case CARDEVICE_UARTC: return 0;
|
|
case CARDEVICE_I2C1: return 6;
|
|
case CARDEVICE_I2C5: return 6;
|
|
case CARDEVICE_UNK: return 0;
|
|
case CARDEVICE_SE: return 0;
|
|
case CARDEVICE_HOST1X: return 4;
|
|
case CARDEVICE_TSEC: return 0;
|
|
case CARDEVICE_SOR_SAFE: return 0;
|
|
case CARDEVICE_SOR0: return 0;
|
|
case CARDEVICE_SOR1: return 0;
|
|
case CARDEVICE_KFUSE: return 0;
|
|
case CARDEVICE_CL_DVFS: return 0;
|
|
case CARDEVICE_CORESIGHT: return 0;
|
|
case CARDEVICE_ACTMON: return 6;
|
|
case CARDEVICE_BPMP: return 0;
|
|
default: generic_panic();
|
|
}
|
|
}
|
|
|
|
static inline uint32_t get_clk_source_div(CarDevice dev) {
|
|
switch (dev) {
|
|
case CARDEVICE_UARTA: return 0;
|
|
case CARDEVICE_UARTB: return 0;
|
|
case CARDEVICE_UARTC: return 0;
|
|
case CARDEVICE_I2C1: return 0;
|
|
case CARDEVICE_I2C5: return 0;
|
|
case CARDEVICE_UNK: return 0;
|
|
case CARDEVICE_SE: return 0;
|
|
case CARDEVICE_HOST1X: return 3;
|
|
case CARDEVICE_TSEC: return 2;
|
|
case CARDEVICE_SOR_SAFE: return 0;
|
|
case CARDEVICE_SOR0: return 0;
|
|
case CARDEVICE_SOR1: return 2;
|
|
case CARDEVICE_KFUSE: return 0;
|
|
case CARDEVICE_CL_DVFS: return 0;
|
|
case CARDEVICE_CORESIGHT: return 4;
|
|
case CARDEVICE_ACTMON: return 0;
|
|
case CARDEVICE_BPMP: return 0;
|
|
default: generic_panic();
|
|
}
|
|
}
|
|
|
|
static uint32_t g_clk_reg_offsets[NUM_CAR_BANKS] = {0x010, 0x014, 0x018, 0x360, 0x364, 0x280, 0x298};
|
|
static uint32_t g_rst_reg_offsets[NUM_CAR_BANKS] = {0x004, 0x008, 0x00C, 0x358, 0x35C, 0x28C, 0x2A4};
|
|
|
|
void clk_enable(CarDevice dev) {
|
|
uint32_t clk_source_reg;
|
|
if ((clk_source_reg = get_clk_source_reg(dev))) {
|
|
MAKE_CAR_REG(clk_source_reg) = (get_clk_source_val(dev) << 29) | get_clk_source_div(dev);
|
|
}
|
|
MAKE_CAR_REG(g_clk_reg_offsets[dev >> 5]) |= BIT(dev & 0x1F);
|
|
}
|
|
|
|
void clk_disable(CarDevice dev) {
|
|
MAKE_CAR_REG(g_clk_reg_offsets[dev >> 5]) &= ~(BIT(dev & 0x1F));
|
|
}
|
|
|
|
void rst_enable(CarDevice dev) {
|
|
MAKE_CAR_REG(g_rst_reg_offsets[dev >> 5]) |= BIT(dev & 0x1F);
|
|
}
|
|
|
|
void rst_disable(CarDevice dev) {
|
|
MAKE_CAR_REG(g_rst_reg_offsets[dev >> 5]) &= ~(BIT(dev & 0x1F));
|
|
}
|
|
|
|
void clkrst_enable(CarDevice dev) {
|
|
clk_enable(dev);
|
|
rst_disable(dev);
|
|
}
|
|
|
|
void clkrst_disable(CarDevice dev) {
|
|
rst_enable(dev);
|
|
clk_disable(dev);
|
|
}
|
|
|
|
void clkrst_reboot(CarDevice dev) {
|
|
clkrst_disable(dev);
|
|
if (dev == CARDEVICE_KFUSE) {
|
|
/* Workaround for KFUSE clock. */
|
|
clk_enable(dev);
|
|
udelay(100);
|
|
rst_disable(dev);
|
|
udelay(200);
|
|
} else {
|
|
clkrst_enable(dev);
|
|
}
|
|
}
|
|
|
|
void clkrst_enable_fuse_regs(bool enable) {
|
|
volatile tegra_car_t *car = car_get_regs();
|
|
car->misc_clk_enb = ((car->misc_clk_enb & 0xEFFFFFFF) | ((enable & 1) << 28));
|
|
}
|