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MXC: i.MX25 timer support

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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-05-27 18:09:54 +02:00
parent 12b8eb8652
commit fc2a9f0bc7
1 changed files with 9 additions and 9 deletions
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18
arch/arm/plat-mxc/time.c
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@ -47,7 +47,7 @@
#define MX2_TSTAT_CAPT (1 << 1)
#define MX2_TSTAT_COMP (1 << 0)
/* MX31, MX35 */
/* MX31, MX35, MX25 */
#define MX3_TCTL_WAITEN (1 << 3)
#define MX3_TCTL_CLK_IPG (1 << 6)
#define MX3_TCTL_FRR (1 << 9)
@ -66,7 +66,7 @@ static inline void gpt_irq_disable(void)
{
unsigned int tmp;
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
__raw_writel(0, timer_base + MX3_IR);
else {
tmp = __raw_readl(timer_base + MXC_TCTL);
@ -76,7 +76,7 @@ static inline void gpt_irq_disable(void)
static inline void gpt_irq_enable(void)
{
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
__raw_writel(1<<0, timer_base + MX3_IR);
else {
__raw_writel(__raw_readl(timer_base + MXC_TCTL) | MX1_2_TCTL_IRQEN,
@ -90,7 +90,7 @@ static void gpt_irq_acknowledge(void)
__raw_writel(0, timer_base + MX1_2_TSTAT);
if (cpu_is_mx2())
__raw_writel(MX2_TSTAT_CAPT | MX2_TSTAT_COMP, timer_base + MX1_2_TSTAT);
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
__raw_writel(MX3_TSTAT_OF1, timer_base + MX3_TSTAT);
}
@ -117,7 +117,7 @@ static int __init mxc_clocksource_init(struct clk *timer_clk)
{
unsigned int c = clk_get_rate(timer_clk);
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
clocksource_mxc.read = mx3_get_cycles;
clocksource_mxc.mult = clocksource_hz2mult(c,
@ -180,7 +180,7 @@ static void mxc_set_mode(enum clock_event_mode mode,
if (mode != clockevent_mode) {
/* Set event time into far-far future */
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
__raw_writel(__raw_readl(timer_base + MX3_TCN) - 3,
timer_base + MX3_TCMP);
else
@ -233,7 +233,7 @@ static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
struct clock_event_device *evt = &clockevent_mxc;
uint32_t tstat;
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
tstat = __raw_readl(timer_base + MX3_TSTAT);
else
tstat = __raw_readl(timer_base + MX1_2_TSTAT);
@ -264,7 +264,7 @@ static int __init mxc_clockevent_init(struct clk *timer_clk)
{
unsigned int c = clk_get_rate(timer_clk);
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
clockevent_mxc.set_next_event = mx3_set_next_event;
clockevent_mxc.mult = div_sc(c, NSEC_PER_SEC,
@ -296,7 +296,7 @@ void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
__raw_writel(0, timer_base + MXC_TCTL);
__raw_writel(0, timer_base + MXC_TPRER); /* see datasheet note */
if (cpu_is_mx3())
if (cpu_is_mx3() || cpu_is_mx25())
tctl_val = MX3_TCTL_CLK_IPG | MX3_TCTL_FRR | MX3_TCTL_WAITEN | MXC_TCTL_TEN;
else
tctl_val = MX1_2_TCTL_FRR | MX1_2_TCTL_CLK_PCLK1 | MXC_TCTL_TEN;