diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2009-06-18 09:12:50 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-09-02 05:14:01 -0400 |
| commit | aa7b248a05323d4720969227603e39a22777ed95 (patch) | |
| tree | 69f34d10543ffef40619f43287d561da3fdbb6ba /include/configs | |
| parent | 69c6d268a29cf6d61e096d815abf5abf24136f45 (diff) | |
Blackfin: bf537-stamp: comment CF-Flash Card Support better
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/bf537-stamp.h | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h index 98300db7b52..74b9ecd0b0a 100644 --- a/include/configs/bf537-stamp.h +++ b/include/configs/bf537-stamp.h @@ -178,9 +178,28 @@ /* * CF-CARD IDE-HDD Support */ -/* #define CONFIG_BFIN_TRUE_IDE */ /* Add CF flash card support */ -/* #define CONFIG_BFIN_CF_IDE */ /* Add CF flash card support */ -/* #define CONFIG_BFIN_HDD_IDE */ /* Add IDE Disk Drive (HDD) support */ + +/* + * Add CF flash card support in TRUE-IDE Mode (CF-IDE-NAND Card) + * Strange address mapping Blackfin A13 connects to CF_A0 + */ + +/* #define CONFIG_BFIN_TRUE_IDE */ + +/* + * Add CF flash card support in Common Memory Mode (CF-IDE-NAND Card) + * This should be the preferred mode + */ + +/* #define CONFIG_BFIN_CF_IDE */ + +/* + * Add IDE Disk Drive (HDD) support + * See example interface here: + * http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:drivers:ide-blackfin + */ + +/* #define CONFIG_BFIN_HDD_IDE */ #if defined(CONFIG_BFIN_CF_IDE) || \ defined(CONFIG_BFIN_HDD_IDE) || \ @@ -218,7 +237,7 @@ #define CONFIG_SYS_ATA_DATA_OFFSET 0x0020 /* data I/O */ #define CONFIG_SYS_ATA_REG_OFFSET 0x0020 /* normal register accesses */ #define CONFIG_SYS_ATA_ALT_OFFSET 0x001C /* alternate registers */ -#define CONFIG_SYS_ATA_STRIDE 2 /* CF.A0 --> Blackfin.Ax */ +#define CONFIG_SYS_ATA_STRIDE 2 /* CF.A0 --> Blackfin.A13 */ #elif defined(CONFIG_BFIN_CF_IDE) #define CONFIG_SYS_ATA_BASE_ADDR 0x20211800 @@ -226,7 +245,7 @@ #define CONFIG_SYS_ATA_DATA_OFFSET 0x0000 /* data I/O */ #define CONFIG_SYS_ATA_REG_OFFSET 0x0000 /* normal register accesses */ #define CONFIG_SYS_ATA_ALT_OFFSET 0x000E /* alternate registers */ -#define CONFIG_SYS_ATA_STRIDE 1 /* CF.A0 --> Blackfin.Ax */ +#define CONFIG_SYS_ATA_STRIDE 1 /* CF_A0=0, with /CE1 /CE2 odd/even byte selects */ #elif defined(CONFIG_BFIN_HDD_IDE) #define CONFIG_SYS_ATA_BASE_ADDR 0x20314000 |