Re: [U-Boot] [PATCH v3] armv7m: Add SysTick timer driver

2017-02-17 Thread Vikas MANOCHA
Hi, > -Original Message- > From: Phil Edworthy [mailto:phil.edwor...@renesas.com] > Sent: Friday, February 17, 2017 12:22 AM > To: Albert Aribaud > Cc: Albert Aribaud ; Tom Rini ; > Vikas MANOCHA ; Kamil > Lulko ; Michael Kurz ; > u-boot@lists.denx.de; Phil Edworthy > > Subject: [PATCH

[U-Boot] [PATCH v3] armv7m: Add SysTick timer driver

2017-02-17 Thread Phil Edworthy
The SysTick is a 24-bit down counter that is found on all ARM Cortex M3, M4, M7 devices and is always located at a fixed address. The number of reference clock ticks that correspond to 10ms is normally defined in the SysTick Calibration register's TENMS field. However, on some devices this is wron