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AS3525 : enable instruction and data cache

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18969 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2008-11-01 23:40:59 +00:00
parent 307d009cf1
commit a85e2cd991
1 changed files with 10 additions and 0 deletions
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10
firmware/target/arm/as3525/system-as3525.c
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@ -201,6 +201,16 @@ void system_init(void)
CGU_PERI |= CGU_GPIO_CLOCK_ENABLE; CGU_PERI |= CGU_GPIO_CLOCK_ENABLE;
#endif #endif
asm volatile(
"mov r0, #0 \n"
"mcr p15, 0, r0, c7, c7 \n" /* invalidate icache & dcache */
"mrc p15, 0, r0, c1, c0 \n" /* control register */
"orr r0, r0, #0x1000 \n" /* enable icache */
"orr r0, r0, #4 \n" /* enable dcache */
"mcr p15, 0, r0, c1, c0 \n"
: : : "r0" );
sdram_init(); sdram_init();
} }