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@ -134,7 +134,7 @@ Additional fields (if present) indicate release candidates or bug fix |
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releases in "stable" maintenance trees. |
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Examples: |
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U-Boot v2009.11 - Release November 2009 |
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U-Boot v2009.11 - Release November 2009 |
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U-Boot v2009.11.1 - Release 1 in version November 2009 stable tree |
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U-Boot v2010.09-rc1 - Release candiate 1 for September 2010 release |
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@ -769,7 +769,7 @@ The following options need to be configured: |
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CONFIG_CMD_NAND * NAND support |
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CONFIG_CMD_NET bootp, tftpboot, rarpboot |
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CONFIG_CMD_PCA953X * PCA953x I2C gpio commands |
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CONFIG_CMD_PCA953X_INFO * PCA953x I2C gpio info command |
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CONFIG_CMD_PCA953X_INFO * PCA953x I2C gpio info command |
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CONFIG_CMD_PCI * pciinfo |
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CONFIG_CMD_PCMCIA * PCMCIA support |
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CONFIG_CMD_PING * send ICMP ECHO_REQUEST to network |
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@ -1730,24 +1730,24 @@ The following options need to be configured: |
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CONFIG_I2C_MULTI_BUS |
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This option allows the use of multiple I2C buses, each of which |
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must have a controller. At any point in time, only one bus is |
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active. To switch to a different bus, use the 'i2c dev' command. |
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must have a controller. At any point in time, only one bus is |
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active. To switch to a different bus, use the 'i2c dev' command. |
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Note that bus numbering is zero-based. |
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CONFIG_SYS_I2C_NOPROBES |
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This option specifies a list of I2C devices that will be skipped |
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when the 'i2c probe' command is issued. If CONFIG_I2C_MULTI_BUS |
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when the 'i2c probe' command is issued. If CONFIG_I2C_MULTI_BUS |
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is set, specify a list of bus-device pairs. Otherwise, specify |
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a 1D array of device addresses |
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e.g. |
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#undef CONFIG_I2C_MULTI_BUS |
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#define CONFIG_SYS_I2C_NOPROBES {0x50,0x68} |
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#define CONFIG_SYS_I2C_NOPROBES {0x50,0x68} |
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will skip addresses 0x50 and 0x68 on a board with one I2C bus |
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#define CONFIG_I2C_MULTI_BUS |
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#define CONFIG_I2C_MULTI_BUS |
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#define CONFIG_SYS_I2C_MULTI_NOPROBES {{0,0x50},{0,0x68},{1,0x54}} |
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will skip addresses 0x50 and 0x68 on bus 0 and address 0x54 on bus 1 |
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@ -1866,7 +1866,7 @@ The following options need to be configured: |
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Enables a hardware SPI driver for general-purpose reads |
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and writes. As with CONFIG_SOFT_SPI, the board configuration |
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must define a list of chip-select function pointers. |
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Currently supported on some MPC8xxx processors. For an |
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Currently supported on some MPC8xxx processors. For an |
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example, see include/configs/mpc8349emds.h. |
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CONFIG_MXC_SPI |
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@ -2181,7 +2181,7 @@ Legacy uImage format: |
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13 common/image.c Start multifile image verification |
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14 common/image.c No initial ramdisk, no multifile, continue. |
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15 arch/<arch>/lib/bootm.c All preparation done, transferring control to OS |
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15 arch/<arch>/lib/bootm.c All preparation done, transferring control to OS |
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-30 arch/powerpc/lib/board.c Fatal error, hang the system |
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-31 post/post.c POST test failed, detected by post_output_backlog() |
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@ -2545,7 +2545,7 @@ Configuration Settings: |
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used) must be put below this limit, unless "bootm_low" |
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enviroment variable is defined and non-zero. In such case |
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all data for the Linux kernel must be between "bootm_low" |
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and "bootm_low" + CONFIG_SYS_BOOTMAPSZ. The environment |
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and "bootm_low" + CONFIG_SYS_BOOTMAPSZ. The environment |
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variable "bootm_mapsize" will override the value of |
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CONFIG_SYS_BOOTMAPSZ. If CONFIG_SYS_BOOTMAPSZ is undefined, |
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then the value in "bootm_size" will be used instead. |
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@ -2835,7 +2835,7 @@ to save the current settings. |
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This setting describes a second storage area of CONFIG_ENV_SIZE |
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size used to hold a redundant copy of the environment data, so |
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that there is a valid backup copy in case there is a power failure |
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during a "saveenv" operation. CONFIG_ENV_OFFSET_RENDUND must be |
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during a "saveenv" operation. CONFIG_ENV_OFFSET_RENDUND must be |
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aligned to an erase block boundary. |
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- CONFIG_ENV_RANGE (optional): |
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@ -2929,7 +2929,7 @@ Low Level (hardware related) configuration options: |
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- CONFIG_SYS_CCSRBAR_PHYS: |
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Physical address of CCSR. CCSR can be relocated to a new |
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physical address, if desired. In this case, this macro should |
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be set to that address. Otherwise, it should be set to the |
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be set to that address. Otherwise, it should be set to the |
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same value as CONFIG_SYS_CCSRBAR_DEFAULT. For example, CCSR |
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is typically relocated on 36-bit builds. It is recommended |
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that this macro be defined via the _HIGH and _LOW macros: |
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@ -3461,7 +3461,7 @@ List of environment variables (most likely not complete): |
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kernel -- see the description of CONFIG_SYS_BOOTMAPSZ and |
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bootm_mapsize. |
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bootm_mapsize - Size of the initial memory mapping for the Linux kernel. |
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bootm_mapsize - Size of the initial memory mapping for the Linux kernel. |
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This variable is given as a hexadecimal number and it |
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defines the size of the memory region starting at base |
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address bootm_low that is accessible by the Linux kernel |
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@ -3615,12 +3615,12 @@ flash or offset in NAND flash. |
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boards currenlty use other variables for these purposes, and some |
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boards use these variables for other purposes. |
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Image File Name RAM Address Flash Location |
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----- --------- ----------- -------------- |
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u-boot u-boot u-boot_addr_r u-boot_addr |
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Linux kernel bootfile kernel_addr_r kernel_addr |
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device tree blob fdtfile fdt_addr_r fdt_addr |
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ramdisk ramdiskfile ramdisk_addr_r ramdisk_addr |
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Image File Name RAM Address Flash Location |
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----- --------- ----------- -------------- |
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u-boot u-boot u-boot_addr_r u-boot_addr |
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Linux kernel bootfile kernel_addr_r kernel_addr |
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device tree blob fdtfile fdt_addr_r fdt_addr |
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ramdisk ramdiskfile ramdisk_addr_r ramdisk_addr |
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The following environment variables may be used and automatically |
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updated by the network boot commands ("bootp" and "rarpboot"), |
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@ -3735,7 +3735,7 @@ o If neither SROM nor the environment contain a MAC address, an error |
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is raised. |
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If Ethernet drivers implement the 'write_hwaddr' function, valid MAC addresses |
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will be programmed into hardware as part of the initialization process. This |
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will be programmed into hardware as part of the initialization process. This |
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may be skipped by setting the appropriate 'ethmacskip' environment variable. |
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The naming convention is as follows: |
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"ethmacskip" (=>eth0), "eth1macskip" (=>eth1) etc. |
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