From: Sergey Yanovich <ynvich@gmail.com>
Date: Tue, 21 May 2013 19:49:41 +0000 (+0400)
Subject: arm: pxa: config option for PXA270 turbo mode
X-Git-Tag: v2013.07-rc1~2^2
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=847e6693ccb529bf8346db62876f38f0c4e04ade;hp=c3442c1e322bc8bdfae2f67c2a9cf2bf76d57a2c

arm: pxa: config option for PXA270 turbo mode

PXA270 CPU has turbo mode. The mode is 2.5 times faster than the
default run mode. Activating the mode early significantly speeds
up boot process.

Signed-off-by: Sergey Yanovich <ynvich@gmail.com>
---

diff --git a/arch/arm/cpu/pxa/pxa2xx.c b/arch/arm/cpu/pxa/pxa2xx.c
index 0c186101ec..f07dc67823 100644
--- a/arch/arm/cpu/pxa/pxa2xx.c
+++ b/arch/arm/cpu/pxa/pxa2xx.c
@@ -244,7 +244,7 @@ void pxa_clock_setup(void)
 {
 	writel(CONFIG_SYS_CKEN, CKEN);
 	writel(CONFIG_SYS_CCCR, CCCR);
-	asm volatile("mcr	p14, 0, %0, c6, c0, 0" : : "r"(2));
+	asm volatile("mcr	p14, 0, %0, c6, c0, 0" : : "r"(0x0b));
 
 	/* enable the 32Khz oscillator for RTC and PowerManager */
 	writel(OSCC_OON, OSCC);