static void __iomem *sched_clock_base;
- static u32 sp804_read(void)
+ static u64 notrace sp804_read(void)
{
return ~readl_relaxed(sched_clock_base + TIMER_VALUE);
}
if (use_sched_clock) {
sched_clock_base = base;
- setup_sched_clock(sp804_read, 32, rate);
+ sched_clock_register(sp804_read, 32, rate);
}
}
static struct irqaction sp804_timer_irq = {
.name = "timer",
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = sp804_timer_interrupt,
.dev_id = &sp804_clockevent,
};
iotable_init(ixp4xx_io_desc, ARRAY_SIZE(ixp4xx_io_desc));
}
+/*
+ * GPIO-functions
+ */
+/*
+ * The following converted to the real HW bits the gpio_line_config
+ */
+/* GPIO pin types */
+#define IXP4XX_GPIO_OUT 0x1
+#define IXP4XX_GPIO_IN 0x2
+
+/* GPIO signal types */
+#define IXP4XX_GPIO_LOW 0
+#define IXP4XX_GPIO_HIGH 1
+
+/* GPIO Clocks */
+#define IXP4XX_GPIO_CLK_0 14
+#define IXP4XX_GPIO_CLK_1 15
+
+static void gpio_line_config(u8 line, u32 direction)
+{
+ if (direction == IXP4XX_GPIO_IN)
+ *IXP4XX_GPIO_GPOER |= (1 << line);
+ else
+ *IXP4XX_GPIO_GPOER &= ~(1 << line);
+}
+
+static void gpio_line_get(u8 line, int *value)
+{
+ *value = (*IXP4XX_GPIO_GPINR >> line) & 0x1;
+}
+
+static void gpio_line_set(u8 line, int value)
+{
+ if (value == IXP4XX_GPIO_HIGH)
+ *IXP4XX_GPIO_GPOUTR |= (1 << line);
+ else if (value == IXP4XX_GPIO_LOW)
+ *IXP4XX_GPIO_GPOUTR &= ~(1 << line);
+}
/*************************************************************************
* IXP4xx chipset IRQ handling
return -EINVAL;
}
-int irq_to_gpio(unsigned int irq)
-{
- int gpio = (irq < 32) ? irq2gpio[irq] : -EINVAL;
-
- if (gpio == -1)
- return -EINVAL;
-
- return gpio;
-}
-EXPORT_SYMBOL(irq_to_gpio);
-
static int ixp4xx_set_irq_type(struct irq_data *d, unsigned int type)
{
int line = irq2gpio[d->irq];
/*
* sched_clock()
*/
- static u32 notrace ixp4xx_read_sched_clock(void)
+ static u64 notrace ixp4xx_read_sched_clock(void)
{
return *IXP4XX_OSTS;
}
EXPORT_SYMBOL(ixp4xx_timer_freq);
static void __init ixp4xx_clocksource_init(void)
{
- setup_sched_clock(ixp4xx_read_sched_clock, 32, ixp4xx_timer_freq);
+ sched_clock_register(ixp4xx_read_sched_clock, 32, ixp4xx_timer_freq);
clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32,
ixp4xx_clocksource_read);
* stamp. (Inspired by OMAP implementation.)
*/
- static u32 notrace u300_read_sched_clock(void)
+ static u64 notrace u300_read_sched_clock(void)
{
return readl(u300_timer_base + U300_TIMER_APP_GPT2CC);
}
*/
static void __init u300_timer_init_of(struct device_node *np)
{
- struct resource irq_res;
- int irq;
+ unsigned int irq;
struct clk *clk;
unsigned long rate;
panic("could not ioremap system timer\n");
/* Get the IRQ for the GP1 timer */
- irq = of_irq_to_resource(np, 2, &irq_res);
- if (irq <= 0)
+ irq = irq_of_parse_and_map(np, 2);
+ if (!irq)
panic("no IRQ for system timer\n");
- pr_info("U300 GP1 timer @ base: %p, IRQ: %d\n", u300_timer_base, irq);
+ pr_info("U300 GP1 timer @ base: %p, IRQ: %u\n", u300_timer_base, irq);
/* Clock the interrupt controller */
clk = of_clk_get(np, 0);
clk_prepare_enable(clk);
rate = clk_get_rate(clk);
- setup_sched_clock(u300_read_sched_clock, 32, rate);
+ sched_clock_register(u300_read_sched_clock, 32, rate);
u300_delay_timer.read_current_timer = &u300_read_current_timer;
u300_delay_timer.freq = rate;