From 7caa4342ca5b37d2d178b464c16badd4228b3b7b Mon Sep 17 00:00:00 2001 From: Damian Date: Wed, 18 May 2011 11:10:07 +0000 Subject: sh_mobile_meram: MERAM framework for LCDC Based on the patch by Takanari Hayama Adds support framework necessary to use Media RAM (MERAM) caching functionality with the LCDC. The MERAM is accessed through up to 4 Interconnect Buffers (ICBs). ICB numbers and MERAM address ranges to use are specified in by filling in the .meram_cfg member of the LCDC platform data Signed-off-by: Damian Hobson-Garcia Signed-off-by: Paul Mundt --- drivers/video/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/video/Kconfig') diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 6d139679eb7a..a0282b133bcc 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1986,6 +1986,18 @@ config FB_SH_MOBILE_HDMI ---help--- Driver for the on-chip SH-Mobile HDMI controller. +config FB_SH_MOBILE_MERAM + tristate "SuperH Mobile MERAM read ahead support for LCDC" + depends on FB_SH_MOBILE_LCDC + default y + ---help--- + Enable MERAM support for the SH-Mobile LCD controller. + + This will allow for caching of the framebuffer to provide more + reliable access under heavy main memory bus traffic situations. + Up to 4 memory channels can be configured, allowing 4 RGB or + 2 YCbCr framebuffers to be configured. + config FB_TMIO tristate "Toshiba Mobile IO FrameBuffer support" depends on FB && MFD_CORE -- cgit v1.2.3