X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=32d9acdd216a8a972d79852948a1542d000fd591;hb=faac4fd852e39cb1d7a740801b060e41aeacef1f;hp=eb86ebaf110a9a93fd03c8ee9a792b30f47af317;hpb=e92739d34e2d6b6aca93b2598248210710897ce8;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index eb86eba..32d9acd 100644 --- a/README +++ b/README @@ -318,6 +318,11 @@ The following options need to be configured: that this requires a (stable) reference clock (32 kHz RTC clock or CONFIG_SYS_8XX_XIN) + CONFIG_SYS_DELAYED_ICACHE + + Define this option if you want to enable the + ICache only when Code runs from RAM. + - Intel Monahans options: CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO @@ -484,6 +489,14 @@ 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 @@ -592,11 +605,15 @@ 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 CONFIG_CMD_ELF * bootelf, bootvx - CONFIG_CMD_ENV saveenv + CONFIG_CMD_SAVEENV saveenv CONFIG_CMD_FDC * Floppy Disk Support CONFIG_CMD_FAT * FAT partition support CONFIG_CMD_FDOS * Dos diskette Support @@ -619,6 +636,7 @@ The following options need to be configured: CONFIG_CMD_MISC Misc functions like sleep etc CONFIG_CMD_MMC * MMC memory mapped support CONFIG_CMD_MII * MII utility commands + CONFIG_CMD_MTDPARTS * MTD partition support CONFIG_CMD_NAND * NAND support CONFIG_CMD_NET bootp, tftpboot, rarpboot CONFIG_CMD_PCA953X * PCA953x I2C gpio commands @@ -1505,6 +1523,15 @@ 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 +2059,9 @@ 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. @@ -2434,6 +2464,13 @@ use the "saveenv" command to store a valid environment. - CONFIG_SYS_64BIT_STRTOUL: Adds simple_strtoull that returns a 64bit value +- CONFIG_NS16550_MIN_FUNCTIONS: + Define this if you desire to only have use of the NS16550_init + and NS16550_putc functions for the serial driver located at + drivers/serial/ns16550.c. This option is useful for saving + space for already greatly restricted images, including but not + limited to NAND_SPL configurations. + Low Level (hardware related) configuration options: --------------------------------------------------- @@ -2579,6 +2616,10 @@ 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 @@ -2595,10 +2636,6 @@ Low Level (hardware related) configuration options: Only for 83xx systems. If specified, then DDR should be configured using CS0 and CS1 instead of CS2 and CS3. -- CONFIG_SYS_83XX_DDR_USES_CS0 - Only for 83xx systems. If specified, then DDR should - be configured using CS0 and CS1 instead of CS2 and CS3. - - CONFIG_ETHER_ON_FEC[12] Define to enable FEC[12] on a 8xx series processor. @@ -3005,8 +3042,7 @@ 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. @@ -3740,7 +3776,7 @@ MPC826x processors), on others (parts of) the data cache can be locked as (mis-) used as memory, etc. Chris Hallinan posted a good summary of these issues to the - u-boot-users mailing list: + U-Boot mailing list: Subject: RE: [U-Boot-Users] RE: More On Memory Bank x (nothingness)? From: "Chris Hallinan" @@ -3950,7 +3986,7 @@ int main (int argc, char *argv[]) Download latest U-Boot source; - Subscribe to u-boot-users mailing list; + Subscribe to u-boot mailing list; if (clueless) { email ("Hi, I am new to U-Boot, how do I get started?"); @@ -4027,10 +4063,11 @@ Since the number of patches for U-Boot is growing, we need to establish some rules. Submissions which do not conform to these rules may be rejected, even when they contain important and valuable stuff. -Patches shall be sent to the u-boot-users mailing list. - Please see http://www.denx.de/wiki/U-Boot/Patches for details. +Patches shall be sent to the u-boot mailing list ; +see http://lists.denx.de/mailman/listinfo/u-boot + When you send a patch, please include the following information with it: @@ -4093,7 +4130,7 @@ Notes: disabled must not need more memory than the old code without your modification. -* Remember that there is a size limit of 40 kB per message on the - u-boot-users mailing list. Bigger patches will be moderated. If - they are reasonable and not bigger than 100 kB, they will be - acknowledged. Even bigger patches should be avoided. +* Remember that there is a size limit of 100 kB per message on the + u-boot mailing list. Bigger patches will be moderated. If they are + reasonable and not too big, they will be acknowledged. But patches + bigger than the size limit should be avoided.