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https://github.com/AsahiLinux/u-boot
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All subsystem clocks not immediately need are turned at reset.
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1 changed files with 10 additions and 0 deletions
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@ -30,6 +30,7 @@
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#include <config.h>
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#include <version.h>
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#include <asm/arch/pxa-regs.h>
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.globl _start
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_start: b reset
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@ -217,6 +218,15 @@ cpu_init_crit:
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mov r1, #0
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mcr p6, 0, r1, c1, c0, 0 @ ICMR
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mcr p6, 0, r1, c7, c0, 0 @ ICMR2
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/* turn off all clocks but the ones we will definitly require */
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ldr r1, =CKENA
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ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC)
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str r2, [r1]
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ldr r1, =CKENB
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ldr r2, =(CKENB_6_IRQ)
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str r2, [r1]
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#endif
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#ifndef CONFIG_CPU_MONAHANS
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