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am33xx: Enable D-CACHE on !CONFIG_SYS_DCACHE_OFF 

Test on Beaglebone white over cpsw, usb ether and SD card (read and
write), performance increased, crc32 of data matches.

Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2013-08-23 12:26:49 -04:00
parent a5a42eec8e
commit 12115c6ad3
2 changed files with 8 additions and 9 deletions
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8
arch/arm/cpu/armv7/am33xx/board.c
View File

@ -241,3 +241,11 @@ void s_init(void)
sdram_init(); sdram_init();
#endif #endif
} }
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}
#endif /* !CONFIG_SYS_DCACHE_OFF */

9
board/siemens/common/board.c
View File

@ -159,13 +159,4 @@ U_BOOT_CMD(
"Sends U-Boot into infinite loop", "Sends U-Boot into infinite loop",
"" ""
); );
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
printf("Enable d-cache\n");
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}
#endif /* CONFIG_SYS_DCACHE_OFF */
#endif /* !CONFIG_SPL_BUILD */ #endif /* !CONFIG_SPL_BUILD */