-----Original Message----- From: York Sun [mailto:yorksun@freescale.com] Sent: Thursday, November 19, 2015 10:26 PM To: Bansal Aneesh-B39320 aneesh.bansal@freescale.com; u-boot@lists.denx.de Cc: Gupta Ruchika-R66431 ruchika.gupta@freescale.com; Kushwaha Prabhakar- B32579 prabhakar@freescale.com Subject: Re: [PATCH 1/5][v2] armv8: usec2ticks function defined
On 11/18/2015 09:41 PM, Aneesh Bansal wrote:
usec2ticks() function has been defined for ARMv8 which will be used by SEC Driver.
Signed-off-by: Aneesh Bansal aneesh.bansal@freescale.com
Changes in v2: New Patch Set created with an additional patch.
arch/arm/cpu/armv8/generic_timer.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/arm/cpu/armv8/generic_timer.c b/arch/arm/cpu/armv8/generic_timer.c index 8e60bae..8f47a82 100644 --- a/arch/arm/cpu/armv8/generic_timer.c +++ b/arch/arm/cpu/armv8/generic_timer.c @@ -40,3 +40,14 @@ unsigned long timer_read_counter(void) #endif return cntpct; }
+unsigned long usec2ticks(unsigned long usec) {
- ulong ticks;
- if (usec < 1000)
ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;- else
ticks = ((usec / 10) * (get_tbclk() / 100000));- return ticks;
+}
Is existing usec_to_tick() in lib/time.c good for you?
York
The CAAM driver in U-Boot uses the function usec2ticks(). This is already defined for previous SoC's LS1020 (ARM v7) and PPC.
Aneesh