summaryrefslogtreecommitdiff
path: root/arch/arm/include
diff options
context:
space:
mode:
authorpekon gupta <pekon@ti.com>2014-05-08 21:43:47 +0530
committerTom Rini <trini@ti.com>2014-05-23 19:39:36 -0400
commita0a37183bd75e74608bc78c8d0e2a34454f95a91 (patch)
treeb9505eae7d21e6c518e94011fd115ec14e30bcea /arch/arm/include
parentcd324a6dd252856fa55bd17d539a9466ae86411a (diff)
downloadu-boot-imx-a0a37183bd75e74608bc78c8d0e2a34454f95a91.zip
u-boot-imx-a0a37183bd75e74608bc78c8d0e2a34454f95a91.tar.gz
u-boot-imx-a0a37183bd75e74608bc78c8d0e2a34454f95a91.tar.bz2
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>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/arch-omap3/mem.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap3/mem.h b/arch/arm/include/asm/arch-omap3/mem.h
index 1804191..bdb1435 100644
--- a/arch/arm/include/asm/arch-omap3/mem.h
+++ b/arch/arm/include/asm/arch-omap3/mem.h
@@ -344,6 +344,7 @@ enum {
* MAP - Map this CS to which address(GPMC address space)- Absolute address
* >>24 before being used.
*/
+#define GPMC_SIZE_256M 0x0
#define GPMC_SIZE_128M 0x8
#define GPMC_SIZE_64M 0xC
#define GPMC_SIZE_32M 0xE