diff --git a/exosphere/lp0fw/src/car.c b/exosphere/lp0fw/src/car.c
index bf0a5b780..93e36da8a 100644
--- a/exosphere/lp0fw/src/car.c
+++ b/exosphere/lp0fw/src/car.c
@@ -19,6 +19,7 @@
 #include "utils.h"
 #include "car.h"
 #include "timer.h"
+#include "pmc.h"
 #include "lp0.h"
 
 static inline uint32_t get_special_clk_reg(CarDevice dev) {
@@ -48,6 +49,20 @@ static inline uint32_t get_special_clk_val(CarDevice dev) {
 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 car_configure_oscillators(void) {
+    /* Enable the crystal oscillator, setting drive strength to the saved value in PMC. */
+    CLK_RST_CONTROLLER_OSC_CTRL_0 = (CLK_RST_CONTROLLER_OSC_CTRL_0 & 0xFFFFFC0E) | 1 | (((APBDEV_PMC_OSC_EDPD_OVER_0 >> 1) & 0x3F) << 4);
+    
+    /* Set CLK_M_DIVISOR to 1 (causes actual division by 2.) */
+    CLK_RST_CONTROLLER_SPARE_REG0_0 = (1 << 2);
+    /* Reading the register after writing it is required to ensure value takes. */
+    (void)(CLK_RST_CONTROLLER_SPARE_REG0_0);
+    
+    /* Set TIMERUS_USEC_CFG to cycle at 0x60 / 0x5 = 19.2 MHz. */
+    /* Value is (dividend << 8) | (divisor). */
+    TIMERUS_USEC_CFG_0 = 0x45F;
+}
+
 void clk_enable(CarDevice dev) {
     uint32_t special_reg;
     if ((special_reg = get_special_clk_reg(dev))) {
diff --git a/exosphere/lp0fw/src/car.h b/exosphere/lp0fw/src/car.h
index c2596b848..32659a2d0 100644
--- a/exosphere/lp0fw/src/car.h
+++ b/exosphere/lp0fw/src/car.h
@@ -24,11 +24,14 @@
 #define MAKE_CAR_REG(n) MAKE_REG32(CAR_BASE + n)
 
 #define CLK_RST_CONTROLLER_MISC_CLK_ENB_0 MAKE_CAR_REG(0x048)
+#define CLK_RST_CONTROLLER_OSC_CTRL_0 MAKE_CAR_REG(0x050)
 #define CLK_RST_CONTROLLER_RST_DEVICES_H_0 MAKE_CAR_REG(0x008)
 #define CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD_0 MAKE_CAR_REG(0x3A4)
 #define CLK_RST_CONTROLLER_RST_CPUG_CMPLX_SET_0 MAKE_CAR_REG(0x450)
 #define CLK_RST_CONTROLLER_RST_CPUG_CMPLX_CLR_0 MAKE_CAR_REG(0x454)
 
+#define CLK_RST_CONTROLLER_SPARE_REG0_0 MAKE_CAR_REG(0x55C)
+
 #define NUM_CAR_BANKS 7
 
 typedef enum {
@@ -40,6 +43,8 @@ typedef enum {
     CARDEVICE_BPMP = 1
 } CarDevice;
 
+void car_configure_oscillators(void);
+
 void clk_enable(CarDevice dev);
 void clk_disable(CarDevice dev);
 void rst_enable(CarDevice dev);
diff --git a/exosphere/lp0fw/src/pmc.h b/exosphere/lp0fw/src/pmc.h
index 982caf444..22ce2d94d 100644
--- a/exosphere/lp0fw/src/pmc.h
+++ b/exosphere/lp0fw/src/pmc.h
@@ -37,6 +37,8 @@
 #define APBDEV_PMC_SCRATCH13_0       MAKE_PMC_REG(0x084)
 #define APBDEV_PMC_SCRATCH18_0       MAKE_PMC_REG(0x098)
 
+#define APBDEV_PMC_OSC_EDPD_OVER_0   MAKE_PMC_REG(0x1A4)
+
 #define APBDEV_PMC_STICKY_BITS_0     MAKE_PMC_REG(0x2C0)
 #define APBDEV_PMC_SEC_DISABLE2_0    MAKE_PMC_REG(0x2C4)
 #define APBDEV_PMC_WEAK_BIAS_0       MAKE_PMC_REG(0x2C8)
diff --git a/exosphere/lp0fw/src/timer.h b/exosphere/lp0fw/src/timer.h
index 74f4a6360..3a4911856 100644
--- a/exosphere/lp0fw/src/timer.h
+++ b/exosphere/lp0fw/src/timer.h
@@ -20,6 +20,7 @@
 #include "utils.h"
 
 #define TIMERUS_CNTR_1US_0 MAKE_REG32(0x60005010)
+#define TIMERUS_USEC_CFG_0 MAKE_REG32(0x60005014)
 
 static inline void timer_wait(uint32_t microseconds) {
     uint32_t old_time = TIMERUS_CNTR_1US_0;