Merge git://git.denx.de/u-boot-dm

[oweals/u-boot.git] / arch / arm / imx-common / timer.c

diff --git a/arch/arm/imx-common/timer.c b/arch/arm/imx-common/timer.c
index fb1b693161eb719c6d4252b281265afd247c294c..ee6eff2b28cada0fca04044a90873246d879454f 100644 (file)
--- a/arch/arm/imx-common/timer.c
+++ b/arch/arm/imx-common/timer.c
@@ -45,7 +45,7 @@ static inline int gpt_has_clk_source_osc(void)
 #if defined(CONFIG_MX6)
        if (((is_mx6dq()) && (soc_rev() > CHIP_REV_1_0)) ||
            is_mx6dqp() || is_mx6sdl() || is_mx6sx() || is_mx6ul() ||
-           is_mx6ull())
+           is_mx6ull() || is_mx6sll())
                return 1;
 
        return 0;
@@ -84,8 +84,12 @@ int timer_init(void)
        if (gpt_has_clk_source_osc()) {
                i |= GPTCR_CLKSOURCE_OSC | GPTCR_TEN;
 
-               /* For DL/S, SX, UL, ULL set 24Mhz OSC Enable bit and prescaler */
-               if (is_mx6sdl() || is_mx6sx() || is_mx6ul() || is_mx6ull()) {
+               /*
+                * For DL/S, SX, UL, ULL, SLL set 24Mhz OSC
+                * Enable bit and prescaler
+                */
+               if (is_mx6sdl() || is_mx6sx() || is_mx6ul() || is_mx6ull() ||
+                   is_mx6sll()) {
                        i |= GPTCR_24MEN;
 
                        /* Produce 3Mhz clock */
@@ -120,3 +124,19 @@ ulong get_tbclk(void)
 {
        return gpt_get_clk();
 }
+
+/*
+ * This function is intended for SHORT delays only.
+ * It will overflow at around 10 seconds @ 400MHz,
+ * or 20 seconds @ 200MHz.
+ */
+unsigned long usec2ticks(unsigned long _usec)
+{
+       unsigned long long usec = _usec;
+
+       usec *= get_tbclk();
+       usec += 999999;
+       do_div(usec, 1000000);
+
+       return usec;
+}