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Diffstat (limited to 'target/linux/cns3xxx/patches/102-cns3xxx_timers.patch')
-rw-r--r--target/linux/cns3xxx/patches/102-cns3xxx_timers.patch109
1 files changed, 0 insertions, 109 deletions
diff --git a/target/linux/cns3xxx/patches/102-cns3xxx_timers.patch b/target/linux/cns3xxx/patches/102-cns3xxx_timers.patch
deleted file mode 100644
index dddb85a4db..0000000000
--- a/target/linux/cns3xxx/patches/102-cns3xxx_timers.patch
+++ /dev/null
@@ -1,109 +0,0 @@
---- a/arch/arm/mach-cns3xxx/core.c
-+++ b/arch/arm/mach-cns3xxx/core.c
-@@ -118,12 +118,13 @@ static void cns3xxx_timer_set_mode(enum
-
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
-- reload = pclk * 20 / (3 * HZ) * 0x25000;
-+ reload = pclk * 1000000 / HZ;
- writel(reload, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
- ctrl |= (1 << 0) | (1 << 2) | (1 << 9);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- /* period set, and timer enabled in 'next_event' hook */
-+ writel(0, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
- ctrl |= (1 << 2) | (1 << 9);
- break;
- case CLOCK_EVT_MODE_UNUSED:
-@@ -148,11 +149,11 @@ static int cns3xxx_timer_set_next_event(
-
- static struct clock_event_device cns3xxx_tmr1_clockevent = {
- .name = "cns3xxx timer1",
-- .shift = 8,
-+ .shift = 32,
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_mode = cns3xxx_timer_set_mode,
- .set_next_event = cns3xxx_timer_set_next_event,
-- .rating = 350,
-+ .rating = 300,
- .cpumask = cpu_all_mask,
- };
-
-@@ -194,6 +195,35 @@ static struct irqaction cns3xxx_timer_ir
- .handler = cns3xxx_timer_interrupt,
- };
-
-+static cycle_t cns3xxx_get_cycles(struct clocksource *cs)
-+{
-+ u64 val;
-+
-+ val = readl(cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
-+ val &= 0xffff;
-+
-+ return ((val << 32) | readl(cns3xxx_tmr1 + TIMER_FREERUN_OFFSET));
-+}
-+
-+static struct clocksource clocksource_cns3xxx = {
-+ .name = "freerun",
-+ .rating = 200,
-+ .read = cns3xxx_get_cycles,
-+ .mask = CLOCKSOURCE_MASK(48),
-+ .shift = 16,
-+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-+};
-+
-+static void __init cns3xxx_clocksource_init(void)
-+{
-+ /* Reset the FreeRunning counter */
-+ writel((1 << 16), cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
-+
-+ clocksource_cns3xxx.mult =
-+ clocksource_khz2mult(100, clocksource_cns3xxx.shift);
-+ clocksource_register(&clocksource_cns3xxx);
-+}
-+
- /*
- * Set up the clock source and clock events devices
- */
-@@ -211,13 +241,12 @@ static void __init __cns3xxx_timer_init(
- /* stop free running timer3 */
- writel(0, cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
-
-- /* timer1 */
-- writel(0x5C800, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
-- writel(0x5C800, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
--
- writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V1_OFFSET);
- writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V2_OFFSET);
-
-+ val = (cns3xxx_cpu_clock() >> 3) * 1000000 / HZ;
-+ writel(val, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
-+
- /* mask irq, non-mask timer1 overflow */
- irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
- irq_mask &= ~(1 << 2);
-@@ -229,23 +258,9 @@ static void __init __cns3xxx_timer_init(
- val |= (1 << 9);
- writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
-
-- /* timer2 */
-- writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V1_OFFSET);
-- writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V2_OFFSET);
--
-- /* mask irq */
-- irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
-- irq_mask |= ((1 << 3) | (1 << 4) | (1 << 5));
-- writel(irq_mask, cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
--
-- /* down counter */
-- val = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
-- val |= (1 << 10);
-- writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
--
-- /* Make irqs happen for the system timer */
- setup_irq(timer_irq, &cns3xxx_timer_irq);
-
-+ cns3xxx_clocksource_init();
- cns3xxx_clockevents_init(timer_irq);
- }
-