u-boot/arch/arm
pekon gupta a0a37183bd ARM: omap: merge GPMC initialization code for all platform
GPMC controller on TI's OMAP SoC is general purpose controller to interface
with different types of external devices like;
 - parallel NOR flash
 - parallel NAND flash
 - OneNand flash
 - SDR RAM
 - Ethernet Devices like LAN9220

Though GPMC configurations may be different for each platform depending on
clock-frequency and external device interfacing with controller. But
initialization sequence remains common across all platfoms.

Thus this patch merges gpmc_init() scattered in different arch-xx/mem.c
files into single omap-common/mem-common.c

However, actual platforms specific register config values are still sourced
from corresponding platform specific headers like;
 AM33xx: arch/arm/include/asm/arch-am33xx/mem.h
 OMAP3:  arch/arm/include/asm/arch-omap3/mem.h
 OMAP4:  arch/arm/include/asm/arch-omap4/mem.h
 OMAP4:  arch/arm/include/asm/arch-omap5/mem.h

Also, CONFIG_xx passed by board-profile decide config for which set of macros
need to be used for initialization
 CONFIG_NAND:    initialize GPMC for NAND device
 CONFIG_NOR:     initialize GPMC for NOR device
 CONFIG_ONENAND: initialize GPMC for ONENAND device

Signed-off-by: Pekon Gupta <pekon@ti.com>
[trini: define GPMC_SIZE_256M for omap3]
Signed-off-by: Tom Rini <trini@ti.com>
2014-05-23 19:39:36 -04:00
..
cpu ARM: omap: merge GPMC initialization code for all platform 2014-05-23 19:39:36 -04:00
dts Merge branch 'u-boot-imx/master' into 'u-boot-arm/master' 2014-05-16 17:56:50 +02:00
imx-common iomux-v3: Add support for mx6sl LVE bit 2014-05-09 15:10:53 +02:00
include/asm ARM: omap: merge GPMC initialization code for all platform 2014-05-23 19:39:36 -04:00
lib Merge remote-tracking branch 'u-boot/master' 2014-05-20 10:05:42 +02:00
config.mk build:arm: Remove setting of CROSS_COMPILE environment variable 2014-04-07 20:04:36 +02:00