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ARM: imx: set cache line size to 64 bytes for i.MX5
authorJason Wang <jason77.wang@gmail.com>
Sat, 21 Aug 2010 08:24:05 +0000 (16:24 +0800)
committerSascha Hauer <s.hauer@pengutronix.de>
Sat, 21 Aug 2010 10:22:43 +0000 (12:22 +0200)
The core of i.MX5 series is cortex-A8, its cache line size is 64 bytes
instead of 32 bytes. Refer to the OMAP3's selection, we choose 64
bytes for i.MX5, this can increase a little bit performance when
perform cache operations.

Signed-off-by: Jason Wang <jason77.wang@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/plat-mxc/Kconfig patch | blob | blame | history

diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index 0527e65318f4a647b5b00192ce08ba47368ce5f8..6785db4179b84ccd925f9112cd48e9be71668e7c 100644 (file)
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -43,6 +43,7 @@ config ARCH_MXC91231
 config ARCH_MX5
        bool "MX5-based"
        select CPU_V7
+       select ARM_L1_CACHE_SHIFT_6
        help
          This enables support for systems based on the Freescale i.MX51 family