drivers: i2c: davinci_i2c: Update davinci i2c driver to driver model

[oweals/u-boot.git] / README

diff --git a/README b/README
index 0bd6e6cb92601de3d733f7337d3847f034bb437a..78173e2d867054bfeb02438550da166d000912fb 100644 (file)
--- a/README
+++ b/README
@@ -137,7 +137,6 @@ Directory Hierarchy:
   /arc                 Files generic to ARC architecture
   /arm                 Files generic to ARM architecture
   /avr32               Files generic to AVR32 architecture
   /arc                 Files generic to ARC architecture
   /arm                 Files generic to ARM architecture
   /avr32               Files generic to AVR32 architecture

-  /blackfin            Files generic to Analog Devices Blackfin architecture

   /m68k                        Files generic to m68k architecture
   /microblaze          Files generic to microblaze architecture
   /mips                        Files generic to MIPS architecture
   /m68k                        Files generic to m68k architecture
   /microblaze          Files generic to microblaze architecture
   /mips                        Files generic to MIPS architecture


@@ -147,7 +146,6 @@ Directory Hierarchy:
   /powerpc             Files generic to PowerPC architecture
   /sandbox             Files generic to HW-independent "sandbox"
   /sh                  Files generic to SH architecture
   /powerpc             Files generic to PowerPC architecture
   /sandbox             Files generic to HW-independent "sandbox"
   /sh                  Files generic to SH architecture

-  /sparc               Files generic to SPARC architecture

   /x86                 Files generic to x86 architecture
 /api                   Machine/arch independent API for external apps
 /board                 Board dependent files
   /x86                 Files generic to x86 architecture
 /api                   Machine/arch independent API for external apps
 /board                 Board dependent files


@@ -376,15 +374,6 @@ The following options need to be configured:
                Defines the string to utilize when trying to match PCIe device
                tree nodes for the given platform.
 
                Defines the string to utilize when trying to match PCIe device
                tree nodes for the given platform.
 

-               CONFIG_SYS_PPC_E500_DEBUG_TLB
-
-               Enables a temporary TLB entry to be used during boot to work
-               around limitations in e500v1 and e500v2 external debugger
-               support. This reduces the portions of the boot code where
-               breakpoints and single stepping do not work.  The value of this
-               symbol should be set to the TLB1 entry to be used for this
-               purpose.
-

                CONFIG_SYS_FSL_ERRATUM_A004510
 
                Enables a workaround for erratum A004510.  If set,
                CONFIG_SYS_FSL_ERRATUM_A004510
 
                Enables a workaround for erratum A004510.  If set,


@@ -513,6 +502,12 @@ The following options need to be configured:
                CONFIG_SYS_FSL_IFC_LE
                Defines the IFC controller register space as Little Endian
 
                CONFIG_SYS_FSL_IFC_LE
                Defines the IFC controller register space as Little Endian
 

+               CONFIG_SYS_FSL_IFC_CLK_DIV
+               Defines divider of platform clock(clock input to IFC controller).
+
+               CONFIG_SYS_FSL_LBC_CLK_DIV
+               Defines divider of platform clock(clock input to eLBC controller).
+

                CONFIG_SYS_FSL_PBL_PBI
                It enables addition of RCW (Power on reset configuration) in built image.
                Please refer doc/README.pblimage for more details
                CONFIG_SYS_FSL_PBL_PBI
                It enables addition of RCW (Power on reset configuration) in built image.
                Please refer doc/README.pblimage for more details


@@ -595,29 +590,6 @@ The following options need to be configured:
                Select high exception vectors of the ARM core, e.g., do not
                clear the V bit of the c1 register of CP15.
 
                Select high exception vectors of the ARM core, e.g., do not
                clear the V bit of the c1 register of CP15.
 

-               CONFIG_SYS_THUMB_BUILD
-
-               Use this flag to build U-Boot using the Thumb instruction
-               set for ARM architectures. Thumb instruction set provides
-               better code density. For ARM architectures that support
-               Thumb2 this flag will result in Thumb2 code generated by
-               GCC.
-
-               CONFIG_ARM_ERRATA_716044
-               CONFIG_ARM_ERRATA_742230
-               CONFIG_ARM_ERRATA_743622
-               CONFIG_ARM_ERRATA_751472
-               CONFIG_ARM_ERRATA_761320
-               CONFIG_ARM_ERRATA_773022
-               CONFIG_ARM_ERRATA_774769
-               CONFIG_ARM_ERRATA_794072
-
-               If set, the workarounds for these ARM errata are applied early
-               during U-Boot startup. Note that these options force the
-               workarounds to be applied; no CPU-type/version detection
-               exists, unlike the similar options in the Linux kernel. Do not
-               set these options unless they apply!
-

                COUNTER_FREQUENCY
                Generic timer clock source frequency.
 
                COUNTER_FREQUENCY
                Generic timer clock source frequency.
 


@@ -626,15 +598,6 @@ The following options need to be configured:
                different from COUNTER_FREQUENCY, and can only be determined
                at run time.
 
                different from COUNTER_FREQUENCY, and can only be determined
                at run time.
 

-               NOTE: The following can be machine specific errata. These
-               do have ability to provide rudimentary version and machine
-               specific checks, but expect no product checks.
-               CONFIG_ARM_ERRATA_430973
-               CONFIG_ARM_ERRATA_454179
-               CONFIG_ARM_ERRATA_621766
-               CONFIG_ARM_ERRATA_798870
-               CONFIG_ARM_ERRATA_801819
-

 - Tegra SoC options:
                CONFIG_TEGRA_SUPPORT_NON_SECURE
 
 - Tegra SoC options:
                CONFIG_TEGRA_SUPPORT_NON_SECURE
 


@@ -860,16 +823,11 @@ The following options need to be configured:
                CONFIG_CMD_AES            AES 128 CBC encrypt/decrypt
                CONFIG_CMD_ASKENV       * ask for env variable
                CONFIG_CMD_BDI            bdinfo
                CONFIG_CMD_AES            AES 128 CBC encrypt/decrypt
                CONFIG_CMD_ASKENV       * ask for env variable
                CONFIG_CMD_BDI            bdinfo

-               CONFIG_CMD_BEDBUG       * Include BedBug Debugger
-               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_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_CRC32        * crc32
                CONFIG_CMD_CONSOLE        coninfo
                CONFIG_CMD_CRC32        * crc32

-               CONFIG_CMD_DATE         * support for RTC, date/time...

                CONFIG_CMD_DHCP         * DHCP support
                CONFIG_CMD_DIAG         * Diagnostics
                CONFIG_CMD_DS4510       * ds4510 I2C gpio commands
                CONFIG_CMD_DHCP         * DHCP support
                CONFIG_CMD_DIAG         * Diagnostics
                CONFIG_CMD_DS4510       * ds4510 I2C gpio commands


@@ -1466,9 +1424,6 @@ The following options need to be configured:
                        CONFIG_SH_MMCIF_CLK
                        Define the clock frequency for MMCIF
 
                        CONFIG_SH_MMCIF_CLK
                        Define the clock frequency for MMCIF
 

-               CONFIG_GENERIC_MMC
-               Enable the generic MMC driver
-

                CONFIG_SUPPORT_EMMC_BOOT
                Enable some additional features of the eMMC boot partitions.
 
                CONFIG_SUPPORT_EMMC_BOOT
                Enable some additional features of the eMMC boot partitions.
 


@@ -1589,13 +1544,6 @@ The following options need to be configured:
                This will also enable the command "fatwrite" enabling the
                user to write files to FAT.
 
                This will also enable the command "fatwrite" enabling the
                user to write files to FAT.
 

-- CBFS (Coreboot Filesystem) support:
-               CONFIG_CMD_CBFS
-
-               Define this to enable support for reading from a Coreboot
-               filesystem. Available commands are cbfsinit, cbfsinfo, cbfsls
-               and cbfsload.
-

 - FAT(File Allocation Table) filesystem cluster size:
                CONFIG_FS_FAT_MAX_CLUSTSIZE
 
 - FAT(File Allocation Table) filesystem cluster size:
                CONFIG_FS_FAT_MAX_CLUSTSIZE
 


@@ -1621,7 +1569,6 @@ The following options need to be configured:
 
                        CONFIG_SYS_DIU_ADDR
                        CONFIG_VIDEO
 
                        CONFIG_SYS_DIU_ADDR
                        CONFIG_VIDEO

-                       CONFIG_CMD_BMP

                        CONFIG_CFB_CONSOLE
                        CONFIG_VIDEO_SW_CURSOR
                        CONFIG_VGA_AS_SINGLE_DEVICE
                        CONFIG_CFB_CONSOLE
                        CONFIG_VIDEO_SW_CURSOR
                        CONFIG_VGA_AS_SINGLE_DEVICE


@@ -1682,9 +1629,6 @@ The following options need to be configured:
 
                        320x240. Black & white.
 
 
                        320x240. Black & white.
 

-               Normally display is black on white background; define
-               CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
-

                CONFIG_LCD_ALIGNMENT
 
                Normally the LCD is page-aligned (typically 4KB). If this is
                CONFIG_LCD_ALIGNMENT
 
                Normally the LCD is page-aligned (typically 4KB). If this is


@@ -1777,12 +1721,6 @@ The following options need to be configured:
                can be displayed via the splashscreen support or the
                bmp command.
 
                can be displayed via the splashscreen support or the
                bmp command.
 

-- Do compressing for memory range:
-               CONFIG_CMD_ZIP
-
-               If this option is set, it would use zlib deflate method
-               to compress the specified memory at its best effort.
-

 - Compression support:
                CONFIG_GZIP
 
 - Compression support:
                CONFIG_GZIP
 


@@ -2042,7 +1980,7 @@ The following options need to be configured:
 
                A byte containing the id of the VLAN.
 
 
                A byte containing the id of the VLAN.
 

-- Status LED:  CONFIG_STATUS_LED
+- Status LED:  CONFIG_LED_STATUS

 
                Several configurations allow to display the current
                status using a LED. For instance, the LED will blink
 
                Several configurations allow to display the current
                status using a LED. For instance, the LED will blink


@@ -2050,15 +1988,15 @@ The following options need to be configured:
                soon as a reply to a BOOTP request was received, and
                start blinking slow once the Linux kernel is running
                (supported by a status LED driver in the Linux
                soon as a reply to a BOOTP request was received, and
                start blinking slow once the Linux kernel is running
                (supported by a status LED driver in the Linux

-               kernel). Defining CONFIG_STATUS_LED enables this
+               kernel). Defining CONFIG_LED_STATUS enables this

                feature in U-Boot.
 
                Additional options:
 
                feature in U-Boot.
 
                Additional options:
 

-               CONFIG_GPIO_LED
+               CONFIG_LED_STATUS_GPIO

                The status LED can be connected to a GPIO pin.
                In such cases, the gpio_led driver can be used as a
                The status LED can be connected to a GPIO pin.
                In such cases, the gpio_led driver can be used as a

-               status LED backend implementation. Define CONFIG_GPIO_LED
+               status LED backend implementation. Define CONFIG_LED_STATUS_GPIO

                to include the gpio_led driver in the U-Boot binary.
 
                CONFIG_GPIO_LED_INVERTED_TABLE
                to include the gpio_led driver in the U-Boot binary.
 
                CONFIG_GPIO_LED_INVERTED_TABLE


@@ -2792,19 +2730,6 @@ The following options need to be configured:
                this is instead controlled by the value of
                /config/load-environment.
 
                this is instead controlled by the value of
                /config/load-environment.
 

-- Parallel Flash support:
-               CONFIG_SYS_NO_FLASH
-
-               Traditionally U-Boot was run on systems with parallel NOR
-               flash. This option is used to disable support for parallel NOR
-               flash. This option should be defined if the board does not have
-               parallel flash.
-
-               If this option is not defined one of the generic flash drivers
-               (e.g.  CONFIG_FLASH_CFI_DRIVER or CONFIG_ST_SMI) must be
-               selected or the board must provide an implementation of the
-               flash API (see include/flash.h).
-

 - DataFlash Support:
                CONFIG_HAS_DATAFLASH
 
 - DataFlash Support:
                CONFIG_HAS_DATAFLASH
 


@@ -2908,16 +2833,6 @@ The following options need to be configured:
                This enables 'hdmidet' command which returns true if an
                HDMI monitor is detected.  This command is i.MX 6 specific.
 
                This enables 'hdmidet' command which returns true if an
                HDMI monitor is detected.  This command is i.MX 6 specific.
 

-               CONFIG_CMD_BMODE
-               This enables the 'bmode' (bootmode) command for forcing
-               a boot from specific media.
-
-               This is useful for forcing the ROM's usb downloader to
-               activate upon a watchdog reset which is nice when iterating
-               on U-Boot.  Using the reset button or running bmode normal
-               will set it back to normal.  This command currently
-               supports i.MX53 and i.MX6.
-

 - bootcount support:
                CONFIG_BOOTCOUNT_LIMIT
 
 - bootcount support:
                CONFIG_BOOTCOUNT_LIMIT
 


@@ -2926,8 +2841,6 @@ The following options need to be configured:
 
                CONFIG_AT91SAM9XE
                enable special bootcounter support on at91sam9xe based boards.
 
                CONFIG_AT91SAM9XE
                enable special bootcounter support on at91sam9xe based boards.

-               CONFIG_BLACKFIN
-               enable special bootcounter support on blackfin based boards.

                CONFIG_SOC_DA8XX
                enable special bootcounter support on da850 based boards.
                CONFIG_BOOTCOUNT_RAM
                CONFIG_SOC_DA8XX
                enable special bootcounter support on da850 based boards.
                CONFIG_BOOTCOUNT_RAM


@@ -3304,10 +3217,6 @@ FIT uImage format:
                consider that a completely unreadable NAND block is bad,
                and thus should be skipped silently.
 
                consider that a completely unreadable NAND block is bad,
                and thus should be skipped silently.
 

-               CONFIG_SPL_ABORT_ON_RAW_IMAGE
-               When defined, SPL will proceed to another boot method
-               if the image it has loaded does not have a signature.
-

                CONFIG_SPL_RELOC_STACK
                Adress of the start of the stack SPL will use after
                relocation.  If unspecified, this is equal to
                CONFIG_SPL_RELOC_STACK
                Adress of the start of the stack SPL will use after
                relocation.  If unspecified, this is equal to


@@ -5972,11 +5881,6 @@ For PowerPC, the following registers have specific use:
     average for all boards 752 bytes for the whole U-Boot image,
     624 text + 127 data).
 
     average for all boards 752 bytes for the whole U-Boot image,
     624 text + 127 data).
 

-On Blackfin, the normal C ABI (except for P3) is followed as documented here:
-       http://docs.blackfin.uclinux.org/doku.php?id=application_binary_interface
-
-    ==> U-Boot will use P3 to hold a pointer to the global data
-

 On ARM, the following registers are used:
 
        R0:     function argument word/integer result
 On ARM, the following registers are used:
 
        R0:     function argument word/integer result