Implement Clock/Reset Driver.

exosphere/src/car.h

@@ -0,0 +1,34 @@
+#ifndef EXOSPHERE_CLOCK_AND_RESET_H
+#define EXOSPHERE_CLOCK_AND_RESET_H
+
+#include <stdint.h>
+
+#include "memory_map.h"
+
+/* Exosphere Driver for the Tegra X1 Clock and Reset registers. */
+
+#define CAR_BASE (MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_CLKRST))
+
+#define MAKE_CAR_REG(n) (*((volatile uint32_t *)(CAR_BASE + n)))
+
+#define NUM_CAR_BANKS 7
+
+typedef enum {
+    CARDEVICE_UARTA = 6,
+    CARDEVICE_UARTB = 7,
+    CARDEVICE_I2C1 = 12,
+    CARDEVICE_I2C5 = 47,
+    CARDEVICE_BPMP = 1
+} car_device_t;
+
+void clk_enable(car_device_t dev);
+void clk_disable(car_device_t dev);
+void rst_enable(car_device_t dev);
+void rst_disable(car_device_t dev);
+
+void clkrst_enable(car_device_t dev);
+void clkrst_disable(car_device_t dev);
+
+void clkrst_reboot(car_device_t dev);
+
+#endif