X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=carlfw%2Fsrc%2Fmain.c;h=b2d16390cff576eea2f4fd2608ba849b650f1849;hb=5b149f61948fee829cb9407702c17231c0aa1b6b;hp=a4d24b60b69bf56bb3851d17fd2a2414bcaef4d4;hpb=1b6a3060adfff3171b8e605c7fea82f04cf7c768;p=carl9170fw.git diff --git a/carlfw/src/main.c b/carlfw/src/main.c index a4d24b6..b2d1639 100644 --- a/carlfw/src/main.c +++ b/carlfw/src/main.c @@ -34,50 +34,6 @@ #define AR9170_WATCH_DOG_TIMER 0x100 -static void timer_init(const unsigned int timer, const unsigned int interval) -{ - /* Set timer to periodic mode */ - orl(AR9170_TIMER_REG_CONTROL, BIT(timer)); - - /* Set time interval */ - set(AR9170_TIMER_REG_TIMER0 + (timer << 2), interval - 1); - - /* Clear timer interrupt flag */ - 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. - */ -#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS - if (fw.phy.frequency < 3000000) - set(AR9170_PWR_REG_PLL_ADDAC, 0x5163); - else - set(AR9170_PWR_REG_PLL_ADDAC, 0x5143); -#else - set(AR9170_PWR_REG_PLL_ADDAC, 0x5163); -#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */ - - fw.ticks_per_usec = GET_VAL(AR9170_PWR_PLL_ADDAC_DIV, - get(AR9170_PWR_REG_PLL_ADDAC)); - - set(AR9170_PWR_REG_CLOCK_SEL, (uint32_t) ((on ? 0x70 : 0x600) | clock_)); - - switch (clock_) { - case AHB_20_22MHZ: - fw.ticks_per_usec >>= 1; - case AHB_40MHZ_OSC: - case AHB_40_44MHZ: - fw.ticks_per_usec >>= 1; - case AHB_80_88MHZ: - break; - } -} - static void init(void) { led_init(); @@ -126,50 +82,15 @@ static void handle_fw(void) reboot(); } -static void timer0_isr(void) -{ - wlan_timer(); - -#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT - gpio_timer(); -#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */ - -#ifdef CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT - set(AR9170_GPIO_REG_PORT_DATA, get(AR9170_GPIO_REG_PORT_DATA) ^ 1); -#endif /* CONFIG_CARL9170FW_DEBUG_LED_HEARTBEAT */ -} - -static void handle_timer(void) -{ - uint32_t intr; - - intr = get(AR9170_TIMER_REG_INTERRUPT); - - /* ACK timer interrupt */ - set(AR9170_TIMER_REG_INTERRUPT, intr); - -#define HANDLER(intr, flag, func) \ - do { \ - if ((intr & flag) != 0) { \ - intr &= ~flag; \ - func(); \ - } \ - } while (0) - - HANDLER(intr, BIT(0), timer0_isr); - - if (intr) - DBG("Unhandled Timer Event %x", (unsigned int) intr); - -#undef HANDLER -} - static void tally_update(void) { - unsigned int boff, time, delta; + unsigned int time; time = get_clock_counter(); +#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS if (fw.phy.state == CARL9170_PHY_ON) { + unsigned int boff, delta; + delta = (time - fw.tally_clock); fw.tally.active += delta; @@ -180,7 +101,7 @@ static void tally_update(void) if (boff & AR9170_MAC_BACKOFF_CCA) fw.tally.cca += delta; } - +#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */ fw.tally_clock = time; fw.counter++; } @@ -217,7 +138,7 @@ static void __noreturn main_loop(void) * we put _start() there with the linker script carl9170.lds. */ -void __section(boot) start(void) +void __section(boot) __noreturn __visible start(void) { clock_set(AHB_40MHZ_OSC, true);