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mflash: Initial mflash support

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Mflash is fusion memory device mainly targeted consumer eletronic and
mobile phone.
Internally, it have nand flash and other hardware logics and supports
some different operation (ATA, IO, XIP) modes.

IO mode is custom mode for the host that doesn't have IDE interface.
(Many mobile targeted SoC doesn't have IDE bus)

This driver support mflash IO mode.

Followings are brief descriptions about IO mode.

1. IO mode based on ATA protocol and uses some custom command. (read
   confirm, write confirm)
2. IO mode uses SRAM bus interface.

Signed-off-by: unsik Kim <donari75@gmail.com>
This commit is contained in:
unsik Kim
2009-02-25 11:31:24 +09:00
committed by Wolfgang Denk
parent 8ddfe804c4
commit 75eb82ec7c
19 changed files with 1080 additions and 8 deletions
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12
include/environment.h
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@@ -84,6 +84,18 @@
# endif
#endif /* CONFIG_ENV_IS_IN_NAND */
#if defined(CONFIG_ENV_IS_IN_MG_DISK)
# ifndef CONFIG_ENV_ADDR
# error "Need to define CONFIG_ENV_ADDR when using CONFIG_ENV_IS_IN_MG_DISK"
# endif
# ifndef CONFIG_ENV_SIZE
# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_MG_DISK"
# endif
# ifdef CONFIG_ENV_IS_EMBEDDED
# error "CONFIG_ENV_IS_EMBEDDED not supported when using CONFIG_ENV_IS_IN_MG_DISK"
# endif
#endif /* CONFIG_ENV_IS_IN_MG_DISK */
#ifdef USE_HOSTCC
# include <stdint.h>
#else