arm, at91: add missing ddr2 cr register MPDDRC_CR_EBISHARE define

[people/ms/u-boot.git] / README

diff --git a/README b/README
index 517b0b4499da94b515de347a70d808ad22f7a178..c3a9dfc4f0b3851580818217703882dc30e7f0c1 100644 (file)
--- a/README
+++ b/README
@@ -272,7 +272,7 @@ board. This allows feature development which is not board- or architecture-
 specific to be undertaken on a native platform. The sandbox is also used to
 run some of U-Boot's tests.
 
 specific to be undertaken on a native platform. The sandbox is also used to
 run some of U-Boot's tests.
 

-See board/sandbox/sandbox/README.sandbox for more details.
+See board/sandbox/README.sandbox for more details.

 
 
 Configuration Options:
 
 
 Configuration Options:


@@ -538,6 +538,18 @@ The following options need to be configured:
                interleaving mode, handled by Dickens for Freescale layerscape
                SoCs with ARM core.
 
                interleaving mode, handled by Dickens for Freescale layerscape
                SoCs with ARM core.
 

+               CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS
+               Number of controllers used as main memory.
+
+               CONFIG_SYS_FSL_OTHER_DDR_NUM_CTRLS
+               Number of controllers used for other than main memory.
+
+               CONFIG_SYS_FSL_SEC_BE
+               Defines the SEC controller register space as Big Endian
+
+               CONFIG_SYS_FSL_SEC_LE
+               Defines the SEC controller register space as Little Endian
+

 - Intel Monahans options:
                CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO
 
 - Intel Monahans options:
                CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO
 


@@ -611,13 +623,6 @@ The following options need to be configured:
                exists, unlike the similar options in the Linux kernel. Do not
                set these options unless they apply!
 
                exists, unlike the similar options in the Linux kernel. Do not
                set these options unless they apply!
 

-- CPU timer options:
-               CONFIG_SYS_HZ
-
-               The frequency of the timer returned by get_timer().
-               get_timer() must operate in milliseconds and this CONFIG
-               option must be set to 1000.
-

 - Linux Kernel Interface:
                CONFIG_CLOCKS_IN_MHZ
 
 - Linux Kernel Interface:
                CONFIG_CLOCKS_IN_MHZ
 


@@ -959,6 +964,7 @@ The following options need to be configured:
                CONFIG_CMD_BMP          * BMP support
                CONFIG_CMD_BSP          * Board specific commands
                CONFIG_CMD_BOOTD          bootd
                CONFIG_CMD_BMP          * BMP support
                CONFIG_CMD_BSP          * Board specific commands
                CONFIG_CMD_BOOTD          bootd

+               CONFIG_CMD_BOOTI        * ARM64 Linux kernel Image support

                CONFIG_CMD_CACHE        * icache, dcache
                CONFIG_CMD_CLK          * clock command support
                CONFIG_CMD_CONSOLE        coninfo
                CONFIG_CMD_CACHE        * icache, dcache
                CONFIG_CMD_CLK          * clock command support
                CONFIG_CMD_CONSOLE        coninfo


@@ -1452,6 +1458,9 @@ The following options need to be configured:
                CONFIG_USB_EHCI_TXFIFO_THRESH enables setting of the
                txfilltuning field in the EHCI controller on reset.
 
                CONFIG_USB_EHCI_TXFIFO_THRESH enables setting of the
                txfilltuning field in the EHCI controller on reset.
 

+               CONFIG_USB_DWC2_REG_ADDR the physical CPU address of the DWC2
+               HW module registers.
+

 - USB Device:
                Define the below if you wish to use the USB console.
                Once firmware is rebuilt from a serial console issue the
 - USB Device:
                Define the below if you wish to use the USB console.
                Once firmware is rebuilt from a serial console issue the


@@ -1628,6 +1637,16 @@ The following options need to be configured:
                downloads. This buffer should be as large as possible for a
                platform. Define this to the size available RAM for fastboot.
 
                downloads. This buffer should be as large as possible for a
                platform. Define this to the size available RAM for fastboot.
 

+               CONFIG_FASTBOOT_FLASH
+               The fastboot protocol includes a "flash" command for writing
+               the downloaded image to a non-volatile storage device. Define
+               this to enable the "fastboot flash" command.
+
+               CONFIG_FASTBOOT_FLASH_MMC_DEV
+               The fastboot "flash" command requires additional information
+               regarding the non-volatile storage device. Define this to
+               the eMMC device that fastboot should use to store the image.
+

 - Journaling Flash filesystem support:
                CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
                CONFIG_JFFS2_NAND_DEV
 - Journaling Flash filesystem support:
                CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
                CONFIG_JFFS2_NAND_DEV


@@ -2699,6 +2718,14 @@ CBFS (Coreboot Filesystem) support
                200 ms.
 
 - Configuration Management:
                200 ms.
 
 - Configuration Management:

+               CONFIG_BUILD_TARGET
+
+               Some SoCs need special image types (e.g. U-Boot binary
+               with a special header) as build targets. By defining
+               CONFIG_BUILD_TARGET in the SoC / board header, this
+               special image will be automatically built upon calling
+               make / MAKEALL.
+

                CONFIG_IDENT_STRING
 
                If defined, this string will be added to the U-Boot
                CONFIG_IDENT_STRING
 
                If defined, this string will be added to the U-Boot


@@ -2807,10 +2834,6 @@ CBFS (Coreboot Filesystem) support
 
                Enable auto completion of commands using TAB.
 
 
                Enable auto completion of commands using TAB.
 

-               Note that this feature has NOT been implemented yet
-               for the "hush" shell.
-
-

                CONFIG_SYS_HUSH_PARSER
 
                Define this variable to enable the "hush" shell (from
                CONFIG_SYS_HUSH_PARSER
 
                Define this variable to enable the "hush" shell (from


@@ -3524,7 +3547,7 @@ FIT uImage format:
 
                CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
                CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS,
 
                CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
                CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS,

-               CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION
+               CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION

                Address, size and partition on the MMC to load U-Boot from
                when the MMC is being used in raw mode.
 
                Address, size and partition on the MMC to load U-Boot from
                when the MMC is being used in raw mode.
 


@@ -3541,16 +3564,19 @@ FIT uImage format:
                CONFIG_SPL_FAT_SUPPORT
                Support for fs/fat/libfat.o in SPL binary
 
                CONFIG_SPL_FAT_SUPPORT
                Support for fs/fat/libfat.o in SPL binary
 

-               CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME
-               Filename to read to load U-Boot when reading from FAT
+               CONFIG_SPL_EXT_SUPPORT
+               Support for EXT filesystem in SPL binary

 
 

-               CONFIG_SPL_FAT_LOAD_KERNEL_NAME
+               CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
+               Filename to read to load U-Boot when reading from filesystem
+
+               CONFIG_SPL_FS_LOAD_KERNEL_NAME

                Filename to read to load kernel uImage when reading
                Filename to read to load kernel uImage when reading

-               from FAT (for Falcon mode)
+               from filesystem (for Falcon mode)

 
 

-               CONFIG_SPL_FAT_LOAD_ARGS_NAME
+               CONFIG_SPL_FS_LOAD_ARGS_NAME

                Filename to read to load kernel argument parameters
                Filename to read to load kernel argument parameters

-               when reading from FAT (for Falcon mode)
+               when reading from filesystem (for Falcon mode)

 
                CONFIG_SPL_MPC83XX_WAIT_FOR_NAND
                Set this for NAND SPL on PPC mpc83xx targets, so that
 
                CONFIG_SPL_MPC83XX_WAIT_FOR_NAND
                Set this for NAND SPL on PPC mpc83xx targets, so that


@@ -3848,12 +3874,9 @@ Configuration Settings:
                The memory will be freed (or in fact just forgotton) when
                U-Boot relocates itself.
 
                The memory will be freed (or in fact just forgotton) when
                U-Boot relocates itself.
 

-               Pre-relocation malloc() is only supported on sandbox
+               Pre-relocation malloc() is only supported on ARM and sandbox

                at present but is fairly easy to enable for other archs.
 
                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,
 - CONFIG_SYS_BOOTM_LEN:
                Normally compressed uImages are limited to an
                uncompressed size of 8 MBytes. If this is not enough,


@@ -4034,6 +4057,11 @@ Configuration Settings:
        be asserted. See doc/README.omap-reset-time for details on how
        the value can be calulated on a given board.
 
        be asserted. See doc/README.omap-reset-time for details on how
        the value can be calulated on a given board.
 

+- CONFIG_USE_STDINT
+       If stdint.h is available with your toolchain you can define this
+       option to enable it. You can provide option 'USE_STDINT=1' when
+       building U-Boot to enable this.
+

 The following definitions that deal with the placement and management
 of environment data (variable area); in general, we support the
 following configurations:
 The following definitions that deal with the placement and management
 of environment data (variable area); in general, we support the
 following configurations:


@@ -4984,14 +5012,14 @@ this behavior and build U-Boot to some external directory:
        make O=/tmp/build NAME_defconfig
        make O=/tmp/build all
 
        make O=/tmp/build NAME_defconfig
        make O=/tmp/build all
 

-2. Set environment variable BUILD_DIR to point to the desired location:
+2. Set environment variable KBUILD_OUTPUT to point to the desired location:

 
 

-       export BUILD_DIR=/tmp/build
+       export KBUILD_OUTPUT=/tmp/build

        make distclean
        make NAME_defconfig
        make all
 
        make distclean
        make NAME_defconfig
        make all
 

-Note that the command line "O=" setting overrides the BUILD_DIR environment
+Note that the command line "O=" setting overrides the KBUILD_OUTPUT environment

 variable.
 
 
 variable.