From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Fri, 23 Aug 2013 12:26:49 -0400 Subject: [U-Boot] [PATCH] am33xx: Enable D-CACHE on !CONFIG_SYS_DCACHE_OFF Message-ID: <1377275210-25194-1-git-send-email-trini@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 --- arch/arm/cpu/armv7/am33xx/board.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 2ea3d69..c261af5 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -225,3 +225,11 @@ void s_init(void) sdram_init(); #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 */ -- 1.7.9.5