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authorJon Loeliger <jdl@jdl.com>2007-06-11 19:03:39 -0500
committerWolfgang Denk <wd@denx.de>2007-07-04 00:35:19 +0200
commit602ad3b33d9ceef83dbab46be68646d645d637ee (patch)
treea76e9a78b2a78a530c84d36fe981d0678583833e
parent72a074cec68e5bad60d63206c050974e08afd804 (diff)
downloadu-boot-linaro-stable-602ad3b33d9ceef83dbab46be68646d645d637ee.tar.gz
README: Rewrite command line config to use CONFIG_CMD_* names.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
-rw-r--r--README179
1 files changed, 86 insertions, 93 deletions
diff --git a/README b/README
index bb5b46e33..a45181961 100644
--- a/README
+++ b/README
@@ -541,7 +541,7 @@ The following options need to be configured:
CFG_CONSOLE_BLINK_COUNT blink interval (cf. i8042.c)
CONFIG_CONSOLE_TIME display time/date info in
upper right corner
- (requires CFG_CMD_DATE)
+ (requires CONFIG_CMD_DATE)
CONFIG_VIDEO_LOGO display Linux logo in
upper left corner
CONFIG_VIDEO_BMP_LOGO use bmp_logo.h instead of
@@ -645,103 +645,96 @@ The following options need to be configured:
time on others. This setting #define's the initial
value of the "loads_echo" environment variable.
-- Kgdb Serial Baudrate: (if CFG_CMD_KGDB is defined)
+- Kgdb Serial Baudrate: (if CONFIG_CMD_KGDB is defined)
CONFIG_KGDB_BAUDRATE
Select one of the baudrates listed in
CFG_BAUDRATE_TABLE, see below.
- Monitor Functions:
- CONFIG_COMMANDS
- Most monitor functions can be selected (or
- de-selected) by adjusting the definition of
- CONFIG_COMMANDS; to select individual functions,
- #define CONFIG_COMMANDS by "OR"ing any of the
- following values:
-
- #define enables commands:
- -------------------------
- CFG_CMD_ASKENV * ask for env variable
- CFG_CMD_AUTOSCRIPT Autoscript Support
- CFG_CMD_BDI bdinfo
- CFG_CMD_BEDBUG * Include BedBug Debugger
- CFG_CMD_BMP * BMP support
- CFG_CMD_BSP * Board specific commands
- CFG_CMD_BOOTD bootd
- CFG_CMD_CACHE * icache, dcache
- CFG_CMD_CONSOLE coninfo
- CFG_CMD_DATE * support for RTC, date/time...
- CFG_CMD_DHCP * DHCP support
- CFG_CMD_DIAG * Diagnostics
- CFG_CMD_DOC * Disk-On-Chip Support
- CFG_CMD_DTT * Digital Therm and Thermostat
- CFG_CMD_ECHO echo arguments
- CFG_CMD_EEPROM * EEPROM read/write support
- CFG_CMD_ELF * bootelf, bootvx
- CFG_CMD_ENV saveenv
- CFG_CMD_FDC * Floppy Disk Support
- CFG_CMD_FAT * FAT partition support
- CFG_CMD_FDOS * Dos diskette Support
- CFG_CMD_FLASH flinfo, erase, protect
- CFG_CMD_FPGA FPGA device initialization support
- CFG_CMD_HWFLOW * RTS/CTS hw flow control
- CFG_CMD_I2C * I2C serial bus support
- CFG_CMD_IDE * IDE harddisk support
- CFG_CMD_IMI iminfo
- CFG_CMD_IMLS List all found images
- CFG_CMD_IMMAP * IMMR dump support
- CFG_CMD_IRQ * irqinfo
- CFG_CMD_ITEST Integer/string test of 2 values
- CFG_CMD_JFFS2 * JFFS2 Support
- CFG_CMD_KGDB * kgdb
- CFG_CMD_LOADB loadb
- CFG_CMD_LOADS loads
- CFG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base,
- loop, loopw, mtest
- CFG_CMD_MISC Misc functions like sleep etc
- CFG_CMD_MMC * MMC memory mapped support
- CFG_CMD_MII * MII utility commands
- CFG_CMD_NAND * NAND support
- CFG_CMD_NET bootp, tftpboot, rarpboot
- CFG_CMD_PCI * pciinfo
- CFG_CMD_PCMCIA * PCMCIA support
- CFG_CMD_PING * send ICMP ECHO_REQUEST to network host
- CFG_CMD_PORTIO * Port I/O
- CFG_CMD_REGINFO * Register dump
- CFG_CMD_RUN run command in env variable
- CFG_CMD_SAVES * save S record dump
- CFG_CMD_SCSI * SCSI Support
- CFG_CMD_SDRAM * print SDRAM configuration information
- (requires CFG_CMD_I2C)
- CFG_CMD_SETGETDCR Support for DCR Register access (4xx only)
- CFG_CMD_SPI * SPI serial bus support
- CFG_CMD_USB * USB support
- CFG_CMD_VFD * VFD support (TRAB)
- CFG_CMD_BSP * Board SPecific functions
- CFG_CMD_CDP * Cisco Discover Protocol support
- CFG_CMD_FSL * Microblaze FSL support
- -----------------------------------------------
- CFG_CMD_ALL all
-
- CONFIG_CMD_DFL Default configuration; at the moment
- this is includes all commands, except
- the ones marked with "*" in the list
- above.
-
- If you don't define CONFIG_COMMANDS it defaults to
- CONFIG_CMD_DFL in include/cmd_confdefs.h. A board can
- override the default settings in the respective
- include file.
+ Monitor commands can be included or excluded
+ from the build by using the #include files
+ "config_cmd_all.h" and #undef'ing unwanted
+ commands, or using "config_cmd_default.h"
+ and augmenting with additional #define's
+ for wanted commands.
+
+ The default command configuration includes all commands
+ except those marked below with a "*".
+
+ CONFIG_CMD_ASKENV * ask for env variable
+ CONFIG_CMD_AUTOSCRIPT Autoscript Support
+ CONFIG_CMD_BDI bdinfo
+ CONFIG_CMD_BEDBUG * Include BedBug Debugger
+ CONFIG_CMD_BMP * BMP support
+ CONFIG_CMD_BSP * Board specific commands
+ CONFIG_CMD_BOOTD bootd
+ CONFIG_CMD_CACHE * icache, dcache
+ CONFIG_CMD_CONSOLE coninfo
+ CONFIG_CMD_DATE * support for RTC, date/time...
+ CONFIG_CMD_DHCP * DHCP support
+ CONFIG_CMD_DIAG * Diagnostics
+ CONFIG_CMD_DOC * Disk-On-Chip Support
+ CONFIG_CMD_DTT * Digital Therm and Thermostat
+ CONFIG_CMD_ECHO echo arguments
+ CONFIG_CMD_EEPROM * EEPROM read/write support
+ CONFIG_CMD_ELF * bootelf, bootvx
+ CONFIG_CMD_ENV saveenv
+ CONFIG_CMD_FDC * Floppy Disk Support
+ CONFIG_CMD_FAT * FAT partition support
+ CONFIG_CMD_FDOS * Dos diskette Support
+ CONFIG_CMD_FLASH flinfo, erase, protect
+ CONFIG_CMD_FPGA FPGA device initialization support
+ CONFIG_CMD_HWFLOW * RTS/CTS hw flow control
+ CONFIG_CMD_I2C * I2C serial bus support
+ CONFIG_CMD_IDE * IDE harddisk support
+ CONFIG_CMD_IMI iminfo
+ CONFIG_CMD_IMLS List all found images
+ CONFIG_CMD_IMMAP * IMMR dump support
+ CONFIG_CMD_IRQ * irqinfo
+ CONFIG_CMD_ITEST Integer/string test of 2 values
+ CONFIG_CMD_JFFS2 * JFFS2 Support
+ CONFIG_CMD_KGDB * kgdb
+ CONFIG_CMD_LOADB loadb
+ CONFIG_CMD_LOADS loads
+ CONFIG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base,
+ loop, loopw, mtest
+ CONFIG_CMD_MISC Misc functions like sleep etc
+ CONFIG_CMD_MMC * MMC memory mapped support
+ CONFIG_CMD_MII * MII utility commands
+ CONFIG_CMD_NAND * NAND support
+ CONFIG_CMD_NET bootp, tftpboot, rarpboot
+ CONFIG_CMD_PCI * pciinfo
+ CONFIG_CMD_PCMCIA * PCMCIA support
+ CONFIG_CMD_PING * send ICMP ECHO_REQUEST to network
+ host
+ CONFIG_CMD_PORTIO * Port I/O
+ CONFIG_CMD_REGINFO * Register dump
+ CONFIG_CMD_RUN run command in env variable
+ CONFIG_CMD_SAVES * save S record dump
+ CONFIG_CMD_SCSI * SCSI Support
+ CONFIG_CMD_SDRAM * print SDRAM configuration information
+ (requires CONFIG_CMD_I2C)
+ CONFIG_CMD_SETGETDCR Support for DCR Register access
+ (4xx only)
+ CONFIG_CMD_SPI * SPI serial bus support
+ CONFIG_CMD_USB * USB support
+ CONFIG_CMD_VFD * VFD support (TRAB)
+ CONFIG_CMD_BSP * Board SPecific functions
+ CONFIG_CMD_CDP * Cisco Discover Protocol support
+ CONFIG_CMD_FSL * Microblaze FSL support
+
EXAMPLE: If you want all functions except of network
support you can write:
- #define CONFIG_COMMANDS (CFG_CMD_ALL & ~CFG_CMD_NET)
+ #include "config_cmd_all.h"
+ #undef CONFIG_CMD_NET
Other Commands:
fdt (flattened device tree) command: CONFIG_OF_LIBFDT
Note: Don't enable the "icache" and "dcache" commands
- (configuration option CFG_CMD_CACHE) unless you know
+ (configuration option CONFIG_CMD_CACHE) unless you know
what you (and your U-Boot users) are doing. Data
cache cannot be enabled on systems like the 8xx or
8260 (where accesses to the IMMR region must be
@@ -769,7 +762,7 @@ The following options need to be configured:
- Real-Time Clock:
- When CFG_CMD_DATE is selected, the type of the RTC
+ When CONFIG_CMD_DATE is selected, the type of the RTC
has to be selected, too. Define exactly one of the
following options:
@@ -790,14 +783,14 @@ The following options need to be configured:
When CONFIG_TIMESTAMP is selected, the timestamp
(date and time) of an image is printed by image
commands like bootm or iminfo. This option is
- automatically enabled when you select CFG_CMD_DATE .
+ automatically enabled when you select CONFIG_CMD_DATE .
- Partition Support:
CONFIG_MAC_PARTITION and/or CONFIG_DOS_PARTITION
and/or CONFIG_ISO_PARTITION
- If IDE or SCSI support is enabled (CFG_CMD_IDE or
- CFG_CMD_SCSI) you must configure support for at least
+ If IDE or SCSI support is enabled (CONFIG_CMD_IDE or
+ CONFIG_CMD_SCSI) you must configure support for at least
one partition type as well.
- IDE Reset method:
@@ -907,8 +900,8 @@ The following options need to be configured:
enable this define CONFIG_MMC. The MMC can be
accessed from the boot prompt by mapping the device
to physical memory similar to flash. Command line is
- enabled with CFG_CMD_MMC. The MMC driver also works with
- the FAT fs. This is enabled with CFG_CMD_FAT.
+ enabled with CONFIG_CMD_MMC. The MMC driver also works with
+ the FAT fs. This is enabled with CONFIG_CMD_FAT.
- Journaling Flash filesystem support:
CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
@@ -1220,7 +1213,7 @@ The following options need to be configured:
include the appropriate I2C driver for the selected cpu.
This will allow you to use i2c commands at the u-boot
- command line (as long as you set CFG_CMD_I2C in
+ command line (as long as you set CONFIG_CMD_I2C in
CONFIG_COMMANDS) and communicate with i2c based realtime
clock chips. See common/cmd_i2c.c for a description of the
command line interface.
@@ -2328,7 +2321,7 @@ Low Level (hardware related) configuration options:
- CONFIG_LOOPW
Add the "loopw" memory command. This only takes effect if
- the memory commands are activated globally (CFG_CMD_MEM).
+ the memory commands are activated globally (CONFIG_CMD_MEM).
- CONFIG_MX_CYCLIC
Add the "mdc" and "mwc" memory commands. These are cyclic
@@ -2342,7 +2335,7 @@ Low Level (hardware related) configuration options:
This command will write 12345678 to address 100 all 10 ms.
This only takes effect if the memory commands are activated
- globally (CFG_CMD_MEM).
+ globally (CONFIG_CMD_MEM).
- CONFIG_SKIP_LOWLEVEL_INIT
- CONFIG_SKIP_RELOCATE_UBOOT