From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kever Yang Date: Fri, 24 Mar 2017 11:39:23 +0800 Subject: [U-Boot] [PATCH] rockchip: spl: RK3399: add COUNTER_FREQUENCY define to rk3399_common.h In-Reply-To: <1490308065-12420-1-git-send-email-philipp.tomsich@theobroma-systems.com> References: <1490308065-12420-1-git-send-email-philipp.tomsich@theobroma-systems.com> Message-ID: <58D494EB.3070009@rock-chips.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Philipp, On 03/24/2017 06:27 AM, Philipp Tomsich wrote: > The BootROM of the RK3399 SoC does not initialise the cntfrq_el0 (which > holds the value 0 (zero) on entry into the SPL. This causes the timebase > for U-Boot not to advance (and will cause a hang where a timeout would > be expected... e.g. if something goes wrong during MMC/SD card startup). > > This change defines COUNTER_FREQUENCY, which is used by the AArch64 init > code in arch/arm/cpu/armv8/start.S to set up cntfrq_el0 (if necessary). > > Signed-off-by: Philipp Tomsich > --- > > include/configs/rk3399_common.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h > index aeee805..c44f8ad 100644 > --- a/include/configs/rk3399_common.h > +++ b/include/configs/rk3399_common.h > @@ -19,6 +19,8 @@ > #define CONFIG_SPL_DRIVERS_MISC_SUPPORT > #define CONFIG_SPL_SERIAL_SUPPORT > > +#define COUNTER_FREQUENCY 24000000 > + > #define CONFIG_SYS_NS16550_MEM32 > > #define CONFIG_SYS_TEXT_BASE 0x00200000 Reveiwed-by: Kever Yang Thanks, - Kever