X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=b23a51258ed75bed57a114b71851b0d728f18547;hb=8d949aff38cfb4388cbd73876e77bcd06d601f20;hp=132650ee53e4b7f90e49cbd524bd93ab989c903c;hpb=4d0b54685c5c656023b826089ef8cc0ea1c5cd9e;p=u-boot diff --git a/README b/README index 132650ee53..b23a51258e 100644 --- a/README +++ b/README @@ -484,6 +484,14 @@ The following options need to be configured: CONFIG_SYS_BAUDRATE_TABLE, see below. CONFIG_SYS_BRGCLK_PRESCALE, baudrate prescale +- Console Rx buffer length + With CONFIG_SYS_SMC_RXBUFLEN it is possible to define + the maximum receive buffer length for the SMC. + This option is actual only for 82xx and 8xx possible. + If using CONFIG_SYS_SMC_RXBUFLEN also CONFIG_SYS_MAXIDLE + must be defined, to setup the maximum idle timeout for + the SMC. + - Interrupt driven serial port input: CONFIG_SERIAL_SOFTWARE_FIFO @@ -592,6 +600,10 @@ The following options need to be configured: CONFIG_CMD_DHCP * DHCP support CONFIG_CMD_DIAG * Diagnostics CONFIG_CMD_DOC * Disk-On-Chip Support + CONFIG_CMD_DS4510 * ds4510 I2C gpio commands + CONFIG_CMD_DS4510_INFO * ds4510 I2C info command + CONFIG_CMD_DS4510_MEM * ds4510 I2C eeprom/sram commansd + CONFIG_CMD_DS4510_RST * ds4510 I2C rst command CONFIG_CMD_DTT * Digital Therm and Thermostat CONFIG_CMD_ECHO echo arguments CONFIG_CMD_EEPROM * EEPROM read/write support @@ -1505,6 +1517,15 @@ The following options need to be configured: Bus on the MPC8260. But it should be not so difficult to add this option to other architectures. + CONFIG_SOFT_I2C_READ_REPEATED_START + + defining this will force the i2c_read() function in + the soft_i2c driver to perform an I2C repeated start + between writing the address pointer and reading the + data. If this define is omitted the default behaviour + of doing a stop-start sequence will be used. Most I2C + devices can use either method, but some require one or + the other. - SPI Support: CONFIG_SPI @@ -2032,6 +2053,9 @@ Configuration Settings: - CONFIG_SYS_LONGHELP: Defined when you want long help messages included; undefine this when you're short of memory. +- CONFIG_SYS_HELP_CMD_WIDTH: Defined when you want to override the default + width of the commands listed in the 'help' command output. + - CONFIG_SYS_PROMPT: This is what U-Boot prints on the console to prompt for user input. @@ -2579,6 +2603,10 @@ Low Level (hardware related) configuration options: CONFIG_SYS_POCMR2_MASK_ATTRIB: (MPC826x only) Overrides the default PCI memory map in cpu/mpc8260/pci.c if set. +- CONFIG_PCI_DISABLE_PCIE: + Disable PCI-Express on systems where it is supported but not + required. + - CONFIG_SPD_EEPROM Get DDR timing information from an I2C EEPROM. Common with pluggable memory modules such as SODIMMs @@ -3005,8 +3033,7 @@ Some configuration options can be set using Environment Variables: Useful on scripts which control the retry operation themselves. - npe_ucode - see CONFIG_IXP4XX_NPE_EXT_UCOD - if set load address for the NPE microcode + npe_ucode - set load address for the NPE microcode tftpsrcport - If this is set, the value is used for TFTP's UDP source port.