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All subsystem clocks not immediately need are turned at reset.

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Markus Klotzbcher 2006-02-28 23:11:07 +01:00 committed by Markus Klotzbcher
parent 00c35bd214
commit e8cd00835e
1 changed files with 10 additions and 0 deletions
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10
cpu/pxa/start.S
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@ -30,6 +30,7 @@
#include <config.h>
#include <version.h>
#include <asm/arch/pxa-regs.h>
.globl _start
_start: b reset
@ -217,6 +218,15 @@ cpu_init_crit:
mov r1, #0
mcr p6, 0, r1, c1, c0, 0 @ ICMR
mcr p6, 0, r1, c7, c0, 0 @ ICMR2
/* turn off all clocks but the ones we will definitly require */
ldr r1, =CKENA
ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC)
str r2, [r1]
ldr r1, =CKENB
ldr r2, =(CKENB_6_IRQ)
str r2, [r1]
#endif
#ifndef CONFIG_CPU_MONAHANS