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@@ -35,17 +35,17 @@
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* Timer Register Offset Definitions of Timer 1, Increment base address by 4
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* and use same offsets for Timer 2
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*/
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-#define XTTCPSS_CLK_CNTRL_OFFSET 0x00 /* Clock Control Reg, RW */
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-#define XTTCPSS_CNT_CNTRL_OFFSET 0x0C /* Counter Control Reg, RW */
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-#define XTTCPSS_COUNT_VAL_OFFSET 0x18 /* Counter Value Reg, RO */
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-#define XTTCPSS_INTR_VAL_OFFSET 0x24 /* Interval Count Reg, RW */
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-#define XTTCPSS_MATCH_1_OFFSET 0x30 /* Match 1 Value Reg, RW */
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-#define XTTCPSS_MATCH_2_OFFSET 0x3C /* Match 2 Value Reg, RW */
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-#define XTTCPSS_MATCH_3_OFFSET 0x48 /* Match 3 Value Reg, RW */
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-#define XTTCPSS_ISR_OFFSET 0x54 /* Interrupt Status Reg, RO */
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-#define XTTCPSS_IER_OFFSET 0x60 /* Interrupt Enable Reg, RW */
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-
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-#define XTTCPSS_CNT_CNTRL_DISABLE_MASK 0x1
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+#define XTTCPS_CLK_CNTRL_OFFSET 0x00 /* Clock Control Reg, RW */
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+#define XTTCPS_CNT_CNTRL_OFFSET 0x0C /* Counter Control Reg, RW */
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+#define XTTCPS_COUNT_VAL_OFFSET 0x18 /* Counter Value Reg, RO */
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+#define XTTCPS_INTR_VAL_OFFSET 0x24 /* Interval Count Reg, RW */
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+#define XTTCPS_MATCH_1_OFFSET 0x30 /* Match 1 Value Reg, RW */
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+#define XTTCPS_MATCH_2_OFFSET 0x3C /* Match 2 Value Reg, RW */
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+#define XTTCPS_MATCH_3_OFFSET 0x48 /* Match 3 Value Reg, RW */
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+#define XTTCPS_ISR_OFFSET 0x54 /* Interrupt Status Reg, RO */
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+#define XTTCPS_IER_OFFSET 0x60 /* Interrupt Enable Reg, RW */
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+
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+#define XTTCPS_CNT_CNTRL_DISABLE_MASK 0x1
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/* Setup the timers to use pre-scaling, using a fixed value for now that will
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* work across most input frequency, but it may need to be more dynamic
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@@ -57,72 +57,72 @@
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#define CNT_CNTRL_RESET (1<<4)
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/**
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- * struct xttcpss_timer - This definition defines local timer structure
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+ * struct xttcps_timer - This definition defines local timer structure
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*
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* @base_addr: Base address of timer
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**/
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-struct xttcpss_timer {
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+struct xttcps_timer {
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void __iomem *base_addr;
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};
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-struct xttcpss_timer_clocksource {
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- struct xttcpss_timer xttc;
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+struct xttcps_timer_clocksource {
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+ struct xttcps_timer xttc;
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struct clocksource cs;
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};
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-#define to_xttcpss_timer_clksrc(x) \
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- container_of(x, struct xttcpss_timer_clocksource, cs)
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+#define to_xttcps_timer_clksrc(x) \
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+ container_of(x, struct xttcps_timer_clocksource, cs)
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-struct xttcpss_timer_clockevent {
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- struct xttcpss_timer xttc;
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+struct xttcps_timer_clockevent {
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+ struct xttcps_timer xttc;
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struct clock_event_device ce;
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struct clk *clk;
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};
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-#define to_xttcpss_timer_clkevent(x) \
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- container_of(x, struct xttcpss_timer_clockevent, ce)
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+#define to_xttcps_timer_clkevent(x) \
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+ container_of(x, struct xttcps_timer_clockevent, ce)
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/**
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- * xttcpss_set_interval - Set the timer interval value
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+ * xttcps_set_interval - Set the timer interval value
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*
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* @timer: Pointer to the timer instance
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* @cycles: Timer interval ticks
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**/
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-static void xttcpss_set_interval(struct xttcpss_timer *timer,
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+static void xttcps_set_interval(struct xttcps_timer *timer,
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unsigned long cycles)
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{
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u32 ctrl_reg;
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/* Disable the counter, set the counter value and re-enable counter */
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- ctrl_reg = __raw_readl(timer->base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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- ctrl_reg |= XTTCPSS_CNT_CNTRL_DISABLE_MASK;
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- __raw_writel(ctrl_reg, timer->base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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+ ctrl_reg = __raw_readl(timer->base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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+ ctrl_reg |= XTTCPS_CNT_CNTRL_DISABLE_MASK;
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+ __raw_writel(ctrl_reg, timer->base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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- __raw_writel(cycles, timer->base_addr + XTTCPSS_INTR_VAL_OFFSET);
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+ __raw_writel(cycles, timer->base_addr + XTTCPS_INTR_VAL_OFFSET);
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/* Reset the counter (0x10) so that it starts from 0, one-shot
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mode makes this needed for timing to be right. */
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ctrl_reg |= CNT_CNTRL_RESET;
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- ctrl_reg &= ~XTTCPSS_CNT_CNTRL_DISABLE_MASK;
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- __raw_writel(ctrl_reg, timer->base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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+ ctrl_reg &= ~XTTCPS_CNT_CNTRL_DISABLE_MASK;
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+ __raw_writel(ctrl_reg, timer->base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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}
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/**
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- * xttcpss_clock_event_interrupt - Clock event timer interrupt handler
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+ * xttcps_clock_event_interrupt - Clock event timer interrupt handler
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*
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* @irq: IRQ number of the Timer
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- * @dev_id: void pointer to the xttcpss_timer instance
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+ * @dev_id: void pointer to the xttcps_timer instance
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*
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* returns: Always IRQ_HANDLED - success
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**/
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-static irqreturn_t xttcpss_clock_event_interrupt(int irq, void *dev_id)
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+static irqreturn_t xttcps_clock_event_interrupt(int irq, void *dev_id)
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{
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- struct xttcpss_timer_clockevent *xttce = dev_id;
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- struct xttcpss_timer *timer = &xttce->xttc;
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+ struct xttcps_timer_clockevent *xttce = dev_id;
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+ struct xttcps_timer *timer = &xttce->xttc;
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/* Acknowledge the interrupt and call event handler */
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- __raw_writel(__raw_readl(timer->base_addr + XTTCPSS_ISR_OFFSET),
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- timer->base_addr + XTTCPSS_ISR_OFFSET);
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+ __raw_writel(__raw_readl(timer->base_addr + XTTCPS_ISR_OFFSET),
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+ timer->base_addr + XTTCPS_ISR_OFFSET);
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xttce->ce.event_handler(&xttce->ce);
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@@ -136,46 +136,46 @@ static irqreturn_t xttcpss_clock_event_interrupt(int irq, void *dev_id)
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**/
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static cycle_t __xttc_clocksource_read(struct clocksource *cs)
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{
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- struct xttcpss_timer *timer = &to_xttcpss_timer_clksrc(cs)->xttc;
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+ struct xttcps_timer *timer = &to_xttcps_timer_clksrc(cs)->xttc;
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return (cycle_t)__raw_readl(timer->base_addr +
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- XTTCPSS_COUNT_VAL_OFFSET);
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+ XTTCPS_COUNT_VAL_OFFSET);
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}
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/**
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- * xttcpss_set_next_event - Sets the time interval for next event
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+ * xttcps_set_next_event - Sets the time interval for next event
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*
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* @cycles: Timer interval ticks
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* @evt: Address of clock event instance
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*
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* returns: Always 0 - success
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**/
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-static int xttcpss_set_next_event(unsigned long cycles,
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+static int xttcps_set_next_event(unsigned long cycles,
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struct clock_event_device *evt)
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{
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- struct xttcpss_timer_clockevent *xttce = to_xttcpss_timer_clkevent(evt);
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- struct xttcpss_timer *timer = &xttce->xttc;
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+ struct xttcps_timer_clockevent *xttce = to_xttcps_timer_clkevent(evt);
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+ struct xttcps_timer *timer = &xttce->xttc;
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- xttcpss_set_interval(timer, cycles);
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+ xttcps_set_interval(timer, cycles);
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return 0;
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}
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/**
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- * xttcpss_set_mode - Sets the mode of timer
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+ * xttcps_set_mode - Sets the mode of timer
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*
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* @mode: Mode to be set
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* @evt: Address of clock event instance
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**/
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-static void xttcpss_set_mode(enum clock_event_mode mode,
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+static void xttcps_set_mode(enum clock_event_mode mode,
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struct clock_event_device *evt)
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{
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- struct xttcpss_timer_clockevent *xttce = to_xttcpss_timer_clkevent(evt);
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- struct xttcpss_timer *timer = &xttce->xttc;
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+ struct xttcps_timer_clockevent *xttce = to_xttcps_timer_clkevent(evt);
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+ struct xttcps_timer *timer = &xttce->xttc;
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u32 ctrl_reg;
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switch (mode) {
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case CLOCK_EVT_MODE_PERIODIC:
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- xttcpss_set_interval(timer,
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+ xttcps_set_interval(timer,
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DIV_ROUND_CLOSEST(clk_get_rate(xttce->clk),
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PRESCALE * HZ));
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break;
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@@ -183,17 +183,17 @@ static void xttcpss_set_mode(enum clock_event_mode mode,
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case CLOCK_EVT_MODE_UNUSED:
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case CLOCK_EVT_MODE_SHUTDOWN:
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ctrl_reg = __raw_readl(timer->base_addr +
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- XTTCPSS_CNT_CNTRL_OFFSET);
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- ctrl_reg |= XTTCPSS_CNT_CNTRL_DISABLE_MASK;
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+ XTTCPS_CNT_CNTRL_OFFSET);
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+ ctrl_reg |= XTTCPS_CNT_CNTRL_DISABLE_MASK;
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__raw_writel(ctrl_reg,
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- timer->base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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+ timer->base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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break;
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case CLOCK_EVT_MODE_RESUME:
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ctrl_reg = __raw_readl(timer->base_addr +
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- XTTCPSS_CNT_CNTRL_OFFSET);
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- ctrl_reg &= ~XTTCPSS_CNT_CNTRL_DISABLE_MASK;
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+ XTTCPS_CNT_CNTRL_OFFSET);
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+ ctrl_reg &= ~XTTCPS_CNT_CNTRL_DISABLE_MASK;
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__raw_writel(ctrl_reg,
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- timer->base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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+ timer->base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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break;
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}
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}
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@@ -201,7 +201,7 @@ static void xttcpss_set_mode(enum clock_event_mode mode,
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static void __init zynq_ttc_setup_clocksource(struct device_node *np,
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void __iomem *base)
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{
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- struct xttcpss_timer_clocksource *ttccs;
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+ struct xttcps_timer_clocksource *ttccs;
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struct clk *clk;
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int err;
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u32 reg;
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@@ -230,11 +230,11 @@ static void __init zynq_ttc_setup_clocksource(struct device_node *np,
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ttccs->cs.mask = CLOCKSOURCE_MASK(16);
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ttccs->cs.flags = CLOCK_SOURCE_IS_CONTINUOUS;
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- __raw_writel(0x0, ttccs->xttc.base_addr + XTTCPSS_IER_OFFSET);
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+ __raw_writel(0x0, ttccs->xttc.base_addr + XTTCPS_IER_OFFSET);
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__raw_writel(CLK_CNTRL_PRESCALE | CLK_CNTRL_PRESCALE_EN,
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- ttccs->xttc.base_addr + XTTCPSS_CLK_CNTRL_OFFSET);
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+ ttccs->xttc.base_addr + XTTCPS_CLK_CNTRL_OFFSET);
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__raw_writel(CNT_CNTRL_RESET,
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- ttccs->xttc.base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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+ ttccs->xttc.base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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err = clocksource_register_hz(&ttccs->cs, clk_get_rate(clk) / PRESCALE);
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if (WARN_ON(err))
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@@ -244,7 +244,7 @@ static void __init zynq_ttc_setup_clocksource(struct device_node *np,
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static void __init zynq_ttc_setup_clockevent(struct device_node *np,
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void __iomem *base)
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{
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- struct xttcpss_timer_clockevent *ttcce;
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+ struct xttcps_timer_clockevent *ttcce;
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int err, irq;
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u32 reg;
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@@ -272,17 +272,17 @@ static void __init zynq_ttc_setup_clockevent(struct device_node *np,
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ttcce->ce.name = np->name;
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ttcce->ce.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
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- ttcce->ce.set_next_event = xttcpss_set_next_event;
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- ttcce->ce.set_mode = xttcpss_set_mode;
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+ ttcce->ce.set_next_event = xttcps_set_next_event;
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+ ttcce->ce.set_mode = xttcps_set_mode;
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ttcce->ce.rating = 200;
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ttcce->ce.irq = irq;
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- __raw_writel(0x23, ttcce->xttc.base_addr + XTTCPSS_CNT_CNTRL_OFFSET);
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+ __raw_writel(0x23, ttcce->xttc.base_addr + XTTCPS_CNT_CNTRL_OFFSET);
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__raw_writel(CLK_CNTRL_PRESCALE | CLK_CNTRL_PRESCALE_EN,
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- ttcce->xttc.base_addr + XTTCPSS_CLK_CNTRL_OFFSET);
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- __raw_writel(0x1, ttcce->xttc.base_addr + XTTCPSS_IER_OFFSET);
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+ ttcce->xttc.base_addr + XTTCPS_CLK_CNTRL_OFFSET);
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+ __raw_writel(0x1, ttcce->xttc.base_addr + XTTCPS_IER_OFFSET);
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- err = request_irq(irq, xttcpss_clock_event_interrupt, IRQF_TIMER,
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+ err = request_irq(irq, xttcps_clock_event_interrupt, IRQF_TIMER,
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np->name, ttcce);
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if (WARN_ON(err))
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return;
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@@ -301,12 +301,12 @@ static const __initconst struct of_device_id zynq_ttc_match[] = {
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};
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/**
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- * xttcpss_timer_init - Initialize the timer
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+ * xttcps_timer_init - Initialize the timer
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*
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* Initializes the timer hardware and register the clock source and clock event
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* timers with Linux kernal timer framework
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**/
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-void __init xttcpss_timer_init(void)
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+void __init xttcps_timer_init(void)
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{
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struct device_node *np;
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