X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=blobdiff_plain;f=carlfw%2Fsrc%2Fmain.c;h=475308be145f7ec5f68a2615701a11a7cf941296;hp=0653ae44dde34bb8be28d9061b014a8c7d298c6c;hb=7c60c5e57519144942267d382d3658c070bc89e7;hpb=65e93c4ca3587d9007e87653f9436463d2823530

diff --git a/carlfw/src/main.c b/carlfw/src/main.c
index 0653ae4..475308b 100644
--- a/carlfw/src/main.c
+++ b/carlfw/src/main.c
@@ -45,6 +45,19 @@ static void timer_init(const unsigned int timer, const unsigned int interval)
 	orl(AR9170_TIMER_REG_INTERRUPT, BIT(timer));
 }
 
+void clock_set(enum cpu_clock_t _clock, bool on)
+{
+	/*
+	 * Word of Warning!
+	 * This setting does more than just mess with the CPU Clock.
+	 * So watch out, if you need _stable_ timer interrupts.
+	 */
+
+	fw.ticks_per_msec = GET_VAL(AR9170_PWR_PLL_ADDAC_DIV, get(AR9170_PWR_REG_PLL_ADDAC)) >> 1;
+
+	set(AR9170_PWR_REG_CLOCK_SEL, (uint32_t) ((on ? 0x70 : 0x600) | _clock));
+}
+
 static void init(void)
 {
 	led_init();