diff options
| author | Sean Young <sean@mess.org> | 2005-06-16 04:49:33 -0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-11-06 14:08:54 -0500 |
| commit | e27a9960af0506d84b9ca9dd3874b7d88901f230 (patch) | |
| tree | cac8c7876c3917c301e663d82b3877aa7f9935ab /drivers/mtd/maps | |
| parent | 45ca1b509ea156e87c99e529821fb3b548e14fe3 (diff) | |
[MTD] Add Resident Flash Disk (RFD) support
This type of flash translation layer (FTL) is used by the Embedded BIOS
by General Software. It is known as the Resident Flash Disk (RFD), see:
http://www.gensw.com/pages/prod/bios/rfd.htm
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/maps')
| -rw-r--r-- | drivers/mtd/maps/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/mtd/maps/ts5500_flash.c | 6 |
2 files changed, 5 insertions, 10 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 44781a83b2e7..aa5d71f8d812 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig | |||
| @@ -97,14 +97,11 @@ config MTD_TS5500 | |||
| 97 | depends on X86 && MTD_JEDECPROBE && MTD_PARTITIONS | 97 | depends on X86 && MTD_JEDECPROBE && MTD_PARTITIONS |
| 98 | help | 98 | help |
| 99 | This provides a driver for the on-board flash of the Technologic | 99 | This provides a driver for the on-board flash of the Technologic |
| 100 | System's TS-5500 board. The flash is split into 3 partitions | 100 | System's TS-5500 board. The 2MB flash is split into 3 partitions |
| 101 | which are accessed as separate MTD devices. | 101 | which are accessed as separate MTD devices. |
| 102 | 102 | ||
| 103 | mtd0 and mtd2 are the two BIOS drives. Unfortunately the BIOS | 103 | mtd0 and mtd2 are the two BIOS drives, which use the resident |
| 104 | uses a proprietary flash translation layer from General Software, | 104 | flash disk (RFD) flash translation layer. |
| 105 | which is not supported (the drives cannot be mounted). You can | ||
| 106 | create your own file system (jffs for example), but the BIOS | ||
| 107 | won't be able to boot from it. | ||
| 108 | 105 | ||
| 109 | mtd1 allows you to reprogram your BIOS. BE VERY CAREFUL. | 106 | mtd1 allows you to reprogram your BIOS. BE VERY CAREFUL. |
| 110 | 107 | ||
diff --git a/drivers/mtd/maps/ts5500_flash.c b/drivers/mtd/maps/ts5500_flash.c index 3ebd90f56503..286dd82e8b83 100644 --- a/drivers/mtd/maps/ts5500_flash.c +++ b/drivers/mtd/maps/ts5500_flash.c | |||
| @@ -19,13 +19,11 @@ | |||
| 19 | * | 19 | * |
| 20 | * Note: | 20 | * Note: |
| 21 | * - In order for detection to work, jumper 3 must be set. | 21 | * - In order for detection to work, jumper 3 must be set. |
| 22 | * - Drive A and B use a proprietary FTL from General Software which isn't | 22 | * - Drive A and B use the resident flash disk (RFD) flash translation layer. |
| 23 | * supported as of yet so standard drives can't be mounted; you can create | ||
| 24 | * your own (e.g. jffs) file system. | ||
| 25 | * - If you have created your own jffs file system and the bios overwrites | 23 | * - If you have created your own jffs file system and the bios overwrites |
| 26 | * it during boot, try disabling Drive A: and B: in the boot order. | 24 | * it during boot, try disabling Drive A: and B: in the boot order. |
| 27 | * | 25 | * |
| 28 | * $Id: ts5500_flash.c,v 1.2 2004/11/28 09:40:40 dwmw2 Exp $ | 26 | * $Id: ts5500_flash.c,v 1.3 2005/06/16 08:49:30 sean Exp $ |
| 29 | */ | 27 | */ |
| 30 | 28 | ||
| 31 | #include <linux/config.h> | 29 | #include <linux/config.h> |