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@@ -28,6 +28,12 @@
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#include <asm/mach/time.h>
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#include <mach/at91_tc.h>
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+#define at91_tc_read(field) \
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+ __raw_readl(AT91_TC + field)
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+
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+#define at91_tc_write(field, value) \
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+ __raw_writel(value, AT91_TC + field);
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+
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/*
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* 3 counter/timer units present.
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*/
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@@ -37,12 +43,12 @@
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static unsigned long at91x40_gettimeoffset(void)
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{
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- return (at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CV) * 1000000 / (AT91X40_MASTER_CLOCK / 128));
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+ return (at91_tc_read(AT91_TC_CLK1BASE + AT91_TC_CV) * 1000000 / (AT91X40_MASTER_CLOCK / 128));
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}
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static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id)
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{
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- at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_SR);
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+ at91_tc_read(AT91_TC_CLK1BASE + AT91_TC_SR);
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timer_tick();
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return IRQ_HANDLED;
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}
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@@ -57,20 +63,20 @@ void __init at91x40_timer_init(void)
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{
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unsigned int v;
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- at91_sys_write(AT91_TC + AT91_TC_BCR, 0);
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- v = at91_sys_read(AT91_TC + AT91_TC_BMR);
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+ at91_tc_write(AT91_TC_BCR, 0);
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+ v = at91_tc_read(AT91_TC_BMR);
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v = (v & ~AT91_TC_TC1XC1S) | AT91_TC_TC1XC1S_NONE;
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- at91_sys_write(AT91_TC + AT91_TC_BMR, v);
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+ at91_tc_write(AT91_TC_BMR, v);
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- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, AT91_TC_CLKDIS);
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- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CMR, (AT91_TC_TIMER_CLOCK4 | AT91_TC_CPCTRG));
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- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IDR, 0xffffffff);
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- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_RC, (AT91X40_MASTER_CLOCK / 128) / HZ - 1);
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- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IER, (1<<4));
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+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_CCR, AT91_TC_CLKDIS);
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+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_CMR, (AT91_TC_TIMER_CLOCK4 | AT91_TC_CPCTRG));
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+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_IDR, 0xffffffff);
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+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_RC, (AT91X40_MASTER_CLOCK / 128) / HZ - 1);
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+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_IER, (1<<4));
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setup_irq(AT91X40_ID_TC1, &at91x40_timer_irq);
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- at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, (AT91_TC_SWTRG | AT91_TC_CLKEN));
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+ at91_tc_write(AT91_TC_CLK1BASE + AT91_TC_CCR, (AT91_TC_SWTRG | AT91_TC_CLKEN));
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}
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struct sys_timer at91x40_timer = {
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