X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=carlfw%2Fsrc%2Fmain.c;h=574154bafd1faaba526feb007e3f3bbd3009d764;hb=f47f2e5344e6a07531825af13337aee8fdd45c68;hp=b11f0489257068d3c21564c294e9835db30d2546;hpb=12d3f1ba6ba522cd1ef11483d813fe2c2e64f04b;p=carl9170fw.git diff --git a/carlfw/src/main.c b/carlfw/src/main.c index b11f048..574154b 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(); @@ -71,14 +84,9 @@ static void init(void) orl(AR9170_MAC_REG_AFTER_PNP, 1); /* Init watch dog control flag */ -#ifdef CONFIG_CARL9170FW_WATCHDOG fw.watchdog_enable = 1; set(AR9170_TIMER_REG_WATCH_DOG, AR9170_WATCH_DOG_TIMER); -#else - fw.watchdog_enable = 0; - set(AR9170_TIMER_REG_WATCH_DOG, 0xffff); -#endif /* CONFIG_CARL9170FW_WATCHDOG */ #ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT fw.cached_gpio_state.gpio = get(AR9170_GPIO_REG_PORT_DATA) & @@ -168,7 +176,7 @@ static void __noreturn main_loop(void) * we put _start() there with the linker script carl9170.lds. */ -void start(void) +void __section(boot) start(void) { clock_set(AHB_40MHZ_OSC, true);