mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-06 04:01:44 +00:00
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
#include <stdint.h>
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#include "utils.h"
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#include "car.h"
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#include "timers.h"
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static inline uint32_t get_special_clk_reg(car_device_t dev) {
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switch (dev) {
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case CARDEVICE_UARTA: return 0x178;
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case CARDEVICE_UARTB: return 0x17C;
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case CARDEVICE_I2C1: return 0x124;
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case CARDEVICE_I2C5: return 0x128;
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case CARDEVICE_BPMP: return 0;
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default: generic_panic();
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}
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}
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static inline uint32_t get_special_clk_val(car_device_t dev) {
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switch (dev) {
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case CARDEVICE_UARTA: return 0;
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case CARDEVICE_UARTB: return 0;
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case CARDEVICE_I2C1: return (6 << 29);
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case CARDEVICE_I2C5: return (6 << 29);
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case CARDEVICE_BPMP: return 0;
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default: generic_panic();
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}
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}
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static uint32_t g_clk_reg_offsets[NUM_CAR_BANKS] = {0x320, 0x328, 0x330, 0x440, 0x448, 0x284, 0x29C};
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static uint32_t g_rst_reg_offsets[NUM_CAR_BANKS] = {0x300, 0x308, 0x310, 0x430, 0x438, 0x290, 0x2A8};
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void clk_enable(car_device_t dev) {
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uint32_t special_reg;
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if ((special_reg = get_special_clk_reg(dev))) {
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MAKE_CAR_REG(special_reg) = get_special_clk_val(dev);
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}
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MAKE_CAR_REG(g_clk_reg_offsets[dev >> 5]) |= BIT(dev & 0x1F);
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}
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void clk_disable(car_device_t dev) {
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MAKE_CAR_REG(g_clk_reg_offsets[dev >> 5] + 0x004) |= BIT(dev & 0x1F);
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}
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void rst_enable(car_device_t dev) {
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MAKE_CAR_REG(g_rst_reg_offsets[dev >> 5]) |= BIT(dev & 0x1F);
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}
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void rst_disable(car_device_t dev) {
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MAKE_CAR_REG(g_rst_reg_offsets[dev >> 5] + 0x004) |= BIT(dev & 0x1F);
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}
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void clkrst_enable(car_device_t dev) {
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clk_enable(dev);
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rst_disable(dev);
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}
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void clkrst_disable(car_device_t dev) {
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rst_enable(dev);
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clk_disable(dev);
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}
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void clkrst_reboot(car_device_t dev) {
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clkrst_disable(dev);
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wait(100);
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clkrst_enable(dev);
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}
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