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authorStefano Babic <sbabic@denx.de>2014-08-11 10:21:03 +0200
committerStefano Babic <sbabic@denx.de>2014-08-11 10:21:03 +0200
commite82abaeb7f2a0833fccf90460c48b9f2100258f8 (patch)
treede701f5c90b7373966412d566b5c00d3837954bc /README
parentf93f21906e374d46c6abfbdf4eb9cb1ab51b6384 (diff)
parent1899fac925eda817e12234aef3d01d354788662e (diff)
downloadtalos-obmc-uboot-e82abaeb7f2a0833fccf90460c48b9f2100258f8.tar.gz
talos-obmc-uboot-e82abaeb7f2a0833fccf90460c48b9f2100258f8.zip
Merge branch 'master' of git://git.denx.de/u-boot-arm
Conflicts: boards.cfg Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'README')
-rw-r--r--README29
1 files changed, 18 insertions, 11 deletions
diff --git a/README b/README
index cdccae9953..5928495d18 100644
--- a/README
+++ b/README
@@ -252,15 +252,15 @@ Selection of Processor Architecture and Board Type:
---------------------------------------------------
For all supported boards there are ready-to-use default
-configurations available; just type "make <board_name>_config".
+configurations available; just type "make <board_name>_defconfig".
Example: For a TQM823L module type:
cd u-boot
- make TQM823L_config
+ make TQM823L_defconfig
For the Cogent platform, you need to specify the CPU type as well;
-e.g. "make cogent_mpc8xx_config". And also configure the cogent
+e.g. "make cogent_mpc8xx_defconfig". And also configure the cogent
directory according to the instructions in cogent/README.
@@ -2601,6 +2601,10 @@ CBFS (Coreboot Filesystem) support
Enables the driver for the SPI controllers on i.MX and MXC
SoCs. Currently i.MX31/35/51 are supported.
+ CONFIG_SYS_SPI_MXC_WAIT
+ Timeout for waiting until spi transfer completed.
+ default: (CONFIG_SYS_HZ/100) /* 10 ms */
+
- FPGA Support: CONFIG_FPGA
Enables FPGA subsystem.
@@ -3767,6 +3771,9 @@ Configuration Settings:
Pre-relocation malloc() is only supported on sandbox
at present but is fairly easy to enable for other archs.
+ Pre-relocation malloc() is only supported on ARM at present
+ but is fairly easy to enable for other archs.
+
- CONFIG_SYS_BOOTM_LEN:
Normally compressed uImages are limited to an
uncompressed size of 8 MBytes. If this is not enough,
@@ -4855,9 +4862,9 @@ U-Boot is intended to be simple to build. After installing the
sources you must configure U-Boot for one specific board type. This
is done by typing:
- make NAME_config
+ make NAME_defconfig
-where "NAME_config" is the name of one of the existing configu-
+where "NAME_defconfig" is the name of one of the existing configu-
rations; see boards.cfg for supported names.
Note: for some board special configuration names may exist; check if
@@ -4866,10 +4873,10 @@ Note: for some board special configuration names may exist; check if
or with LCD support. You can select such additional "features"
when choosing the configuration, i. e.
- make TQM823L_config
+ make TQM823L_defconfig
- will configure for a plain TQM823L, i. e. no LCD support
- make TQM823L_LCD_config
+ make TQM823L_LCD_defconfig
- will configure for a TQM823L with U-Boot console on LCD
etc.
@@ -4889,14 +4896,14 @@ this behavior and build U-Boot to some external directory:
1. Add O= to the make command line invocations:
make O=/tmp/build distclean
- make O=/tmp/build NAME_config
+ make O=/tmp/build NAME_defconfig
make O=/tmp/build all
2. Set environment variable BUILD_DIR to point to the desired location:
export BUILD_DIR=/tmp/build
make distclean
- make NAME_config
+ make NAME_defconfig
make all
Note that the command line "O=" setting overrides the BUILD_DIR environment
@@ -4922,7 +4929,7 @@ steps:
your board
3. If you're porting U-Boot to a new CPU, then also create a new
directory to hold your CPU specific code. Add any files you need.
-4. Run "make <board>_config" with your new name.
+4. Run "make <board>_defconfig" with your new name.
5. Type "make", and you should get a working "u-boot.srec" file
to be installed on your target system.
6. Debug and solve any problems that might arise.
@@ -5502,7 +5509,7 @@ which was introduced for our predecessor project PPCBoot and uses a
Example:
- make TQM850L_config
+ make TQM850L_defconfig
make oldconfig
make dep
make uImage
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