X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=README;h=aea82be5b3e6e4ed8a7513081403016a0685ede1;hb=c47817be257277f6445ea77bbf00954377ca9802;hp=265e81e041ec063f29e6c75830efb8a41322c972;hpb=f44483b57c49282299da0e5c10073b909cdad979;p=karo-tx-uboot.git

diff --git a/README b/README
index 265e81e041..aea82be5b3 100644
--- a/README
+++ b/README
@@ -423,6 +423,11 @@ The following options need to be configured:
 		CONFIG_SYS_FSL_DSP_CCSRBAR_DEFAULT
 		This value denotes start offset of DSP CCSR space.
 
+		CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
+		Single Source Clock is clocking mode present in some of FSL SoC's.
+		In this mode, a single differential clock is used to supply
+		clocks to the sysclock, ddrclock and usbclock.
+
 - Generic CPU options:
 		CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
 
@@ -818,6 +823,22 @@ The following options need to be configured:
 		as a convenience, when switching between booting from
 		RAM and NFS.
 
+- Bootcount:
+		CONFIG_BOOTCOUNT_LIMIT
+		Implements a mechanism for detecting a repeating reboot
+		cycle, see:
+		http://www.denx.de/wiki/view/DULG/UBootBootCountLimit
+
+		CONFIG_BOOTCOUNT_ENV
+		If no softreset save registers are found on the hardware
+		"bootcount" is stored in the environment. To prevent a
+		saveenv on all reboots, the environment variable
+		"upgrade_available" is used. If "upgrade_available" is
+		0, "bootcount" is always 0, if "upgrade_available" is
+		1 "bootcount" is incremented in the environment.
+		So the Userspace Applikation must set the "upgrade_available"
+		and "bootcount" variable to 0, if a boot was successfully.
+
 - Pre-Boot Commands:
 		CONFIG_PREBOOT
 
@@ -2125,6 +2146,12 @@ CBFS (Coreboot Filesystem) support
 		  - set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting
 		  - set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr
 
+		- drivers/i2c/s3c24x0_i2c.c:
+		  - activate this driver with CONFIG_SYS_I2C_S3C24X0
+		  - This driver adds i2c buses (11 for Exynos5250, Exynos5420
+		    9 i2c buses for Exynos4 and 1 for S3C24X0 SoCs from Samsung)
+		    with a fix speed from 100000 and the slave addr 0!
+
 		additional defines:
 
 		CONFIG_SYS_NUM_I2C_BUSES
@@ -2729,6 +2756,12 @@ CBFS (Coreboot Filesystem) support
 		Define this option to use the Bank addr/Extended addr
 		support on SPI flashes which has size > 16Mbytes.
 
+		CONFIG_SF_DUAL_FLASH		Dual flash memories
+
+		Define this option to use dual flash support where two flash
+		memories can be connected with a given cs line.
+		currently Xilinx Zynq qspi support these type of connections.
+
 - SystemACE Support:
 		CONFIG_SYSTEMACE
 
@@ -3245,6 +3278,9 @@ FIT uImage format:
 		Defines the size and behavior of the NAND that SPL uses
 		to read U-Boot
 
+		CONFIG_SPL_NAND_BOOT
+		Add support NAND boot
+
 		CONFIG_SYS_NAND_U_BOOT_OFFS
 		Location in NAND to read U-Boot from
 
@@ -4388,6 +4424,9 @@ Low Level (hardware related) configuration options:
 
 		NOTE : currently only supported on AM335x platforms.
 
+- CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC:
+		Enables the RTC32K OSC on AM33xx based plattforms
+
 Freescale QE/FMAN Firmware Support:
 -----------------------------------
 
@@ -5227,6 +5266,15 @@ when your kernel is intended to use an initial ramdisk:
 	Load Address: 0x00000000
 	Entry Point:  0x00000000
 
+The "dumpimage" is a tool to disassemble images built by mkimage. Its "-i"
+option performs the converse operation of the mkimage's second form (the "-d"
+option). Given an image built by mkimage, the dumpimage extracts a "data file"
+from the image:
+
+	tools/dumpimage -i image -p position data_file
+	  -i ==> extract from the 'image' a specific 'data_file', \
+	   indexed by 'position'
+
 
 Installing a Linux Image:
 -------------------------