board/sunxi/Kconfig - platform/external/u-boot - Gitiles

 if ARCH_SUNXI

 # Note only one of these may be selected at a time! But hidden choices are
 # not supported by Kconfig
 config SUNXI_GEN_SUN4I
 	bool
 	---help---
 	Select this for sunxi SoCs which have resets and clocks set up
 	as the original A10 (mach-sun4i).

 config SUNXI_GEN_SUN6I
 	bool
 	---help---
 	Select this for sunxi SoCs which have sun6i like periphery, like
 	separate ahb reset control registers, custom pmic bus, new style
 	watchdog, etc.


 choice
 	prompt "Sunxi SoC Variant"
 	optional

 config MACH_SUN4I
 	bool "sun4i (Allwinner A10)"
 	select CPU_V7
 	select SUNXI_GEN_SUN4I
 	select SUPPORT_SPL

 config MACH_SUN5I
 	bool "sun5i (Allwinner A13)"
 	select CPU_V7
 	select SUNXI_GEN_SUN4I
 	select SUPPORT_SPL

 config MACH_SUN6I
 	bool "sun6i (Allwinner A31)"
 	select CPU_V7
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
 	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

 config MACH_SUN7I
 	bool "sun7i (Allwinner A20)"
 	select CPU_V7
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select SUNXI_GEN_SUN4I
 	select SUPPORT_SPL
 	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

 config MACH_SUN8I_A23
 	bool "sun8i (Allwinner A23)"
 	select CPU_V7
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
 	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

 config MACH_SUN8I_A33
 	bool "sun8i (Allwinner A33)"
 	select CPU_V7
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
 	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

 config MACH_SUN9I
 	bool "sun9i (Allwinner A80)"
 	select CPU_V7
 	select SUNXI_GEN_SUN6I

 endchoice

 # The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 || A33"
 config MACH_SUN8I
 	bool
 	default y if MACH_SUN8I_A23 || MACH_SUN8I_A33


 config DRAM_CLK
 	int "sunxi dram clock speed"
 	default 312 if MACH_SUN6I || MACH_SUN8I
 	default 360 if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
 	---help---
 	Set the dram clock speed, valid range 240 - 480, must be a multiple
 	of 24.

 if MACH_SUN5I || MACH_SUN7I
 config DRAM_MBUS_CLK
 	int "sunxi mbus clock speed"
 	default 300
 	---help---
 	Set the mbus clock speed. The maximum on sun5i hardware is 300MHz.

 endif

 config DRAM_ZQ
 	int "sunxi dram zq value"
 	default 123 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN8I
 	default 127 if MACH_SUN7I
 	---help---
 	Set the dram zq value.

 config DRAM_ODT_EN
 	bool "sunxi dram odt enable"
 	default n if !MACH_SUN8I_A23
 	default y if MACH_SUN8I_A23
 	---help---
 	Select this to enable dram odt (on die termination).

 if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
 config DRAM_EMR1
 	int "sunxi dram emr1 value"
 	default 0 if MACH_SUN4I
 	default 4 if MACH_SUN5I || MACH_SUN7I
 	---help---
 	Set the dram controller emr1 value.

 config DRAM_TPR3
 	hex "sunxi dram tpr3 value"
 	default 0
 	---help---
 	Set the dram controller tpr3 parameter. This parameter configures
 	the delay on the command lane and also phase shifts, which are
 	applied for sampling incoming read data. The default value 0
 	means that no phase/delay adjustments are necessary. Properly
 	configuring this parameter increases reliability at high DRAM
 	clock speeds.

 config DRAM_DQS_GATING_DELAY
 	hex "sunxi dram dqs_gating_delay value"
 	default 0
 	---help---
 	Set the dram controller dqs_gating_delay parmeter. Each byte
 	encodes the DQS gating delay for each byte lane. The delay
 	granularity is 1/4 cycle. For example, the value 0x05060606
 	means that the delay is 5 quarter-cycles for one lane (1.25
 	cycles) and 6 quarter-cycles (1.5 cycles) for 3 other lanes.
 	The default value 0 means autodetection. The results of hardware
 	autodetection are not very reliable and depend on the chip
 	temperature (sometimes producing different results on cold start
 	and warm reboot). But the accuracy of hardware autodetection
 	is usually good enough, unless running at really high DRAM
 	clocks speeds (up to 600MHz). If unsure, keep as 0.

 choice
 	prompt "sunxi dram timings"
 	default DRAM_TIMINGS_VENDOR_MAGIC
 	---help---
 	Select the timings of the DDR3 chips.

 config DRAM_TIMINGS_VENDOR_MAGIC
 	bool "Magic vendor timings from Android"
 	---help---
 	The same DRAM timings as in the Allwinner boot0 bootloader.

 config DRAM_TIMINGS_DDR3_1066F_1333H
 	bool "JEDEC DDR3-1333H with down binning to DDR3-1066F"
 	---help---
 	Use the timings of the standard JEDEC DDR3-1066F speed bin for
 	DRAM_CLK <= 533MHz and the timings of the DDR3-1333H speed bin
 	for DRAM_CLK > 533MHz. This covers the majority of DDR3 chips
 	used in Allwinner A10/A13/A20 devices. In the case of DDR3-1333
 	or DDR3-1600 chips, be sure to check the DRAM datasheet to confirm
 	that down binning to DDR3-1066F is supported (because DDR3-1066F
 	uses a bit faster timings than DDR3-1333H).

 config DRAM_TIMINGS_DDR3_800E_1066G_1333J
 	bool "JEDEC DDR3-800E / DDR3-1066G / DDR3-1333J"
 	---help---
 	Use the timings of the slowest possible JEDEC speed bin for the
 	selected DRAM_CLK. Depending on the DRAM_CLK value, it may be
 	DDR3-800E, DDR3-1066G or DDR3-1333J.

 endchoice

 endif

 if MACH_SUN8I_A23
 config DRAM_ODT_CORRECTION
 	int "sunxi dram odt correction value"
 	default 0
 	---help---
 	Set the dram odt correction value (range -255 - 255). In allwinner
 	fex files, this option is found in bits 8-15 of the u32 odt_en variable
 	in the [dram] section. When bit 31 of the odt_en variable is set
 	then the correction is negative. Usually the value for this is 0.
 endif

 config SYS_CLK_FREQ
 	default 912000000 if MACH_SUN7I
 	default 1008000000 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN8I

 config SYS_CONFIG_NAME
 	default "sun4i" if MACH_SUN4I
 	default "sun5i" if MACH_SUN5I
 	default "sun6i" if MACH_SUN6I
 	default "sun7i" if MACH_SUN7I
 	default "sun8i" if MACH_SUN8I
 	default "sun9i" if MACH_SUN9I

 config SYS_BOARD
 	default "sunxi"

 config SYS_SOC
 	default "sunxi"

 config UART0_PORT_F
 	bool "UART0 on MicroSD breakout board"
 	default n
 	---help---
 	Repurpose the SD card slot for getting access to the UART0 serial
 	console. Primarily useful only for low level u-boot debugging on
 	tablets, where normal UART0 is difficult to access and requires
 	device disassembly and/or soldering. As the SD card can't be used
 	at the same time, the system can be only booted in the FEL mode.
 	Only enable this if you really know what you are doing.

 config OLD_SUNXI_KERNEL_COMPAT
 	boolean "Enable workarounds for booting old kernels"
 	default n
 	---help---
 	Set this to enable various workarounds for old kernels, this results in
 	sub-optimal settings for newer kernels, only enable if needed.

 config MMC0_CD_PIN
 	string "Card detect pin for mmc0"
 	default ""
 	---help---
 	Set the card detect pin for mmc0, leave empty to not use cd. This
 	takes a string in the format understood by sunxi_name_to_gpio, e.g.
 	PH1 for pin 1 of port H.

 config MMC1_CD_PIN
 	string "Card detect pin for mmc1"
 	default ""
 	---help---
 	See MMC0_CD_PIN help text.

 config MMC2_CD_PIN
 	string "Card detect pin for mmc2"
 	default ""
 	---help---
 	See MMC0_CD_PIN help text.

 config MMC3_CD_PIN
 	string "Card detect pin for mmc3"
 	default ""
 	---help---
 	See MMC0_CD_PIN help text.

 config MMC1_PINS
 	string "Pins for mmc1"
 	default ""
 	---help---
 	Set the pins used for mmc1, when applicable. This takes a string in the
 	format understood by sunxi_name_to_gpio_bank, e.g. PH for port H.

 config MMC2_PINS
 	string "Pins for mmc2"
 	default ""
 	---help---
 	See MMC1_PINS help text.

 config MMC3_PINS
 	string "Pins for mmc3"
 	default ""
 	---help---
 	See MMC1_PINS help text.

 config MMC_SUNXI_SLOT_EXTRA
 	int "mmc extra slot number"
 	default -1
 	---help---
 	sunxi builds always enable mmc0, some boards also have a second sdcard
 	slot or emmc on mmc1 - mmc3. Setting this to 1, 2 or 3 will enable
 	support for this.

 config USB0_VBUS_PIN
 	string "Vbus enable pin for usb0 (otg)"
 	default ""
 	---help---
 	Set the Vbus enable pin for usb0 (otg). This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config USB0_VBUS_DET
 	string "Vbus detect pin for usb0 (otg)"
 	default ""
 	---help---
 	Set the Vbus detect pin for usb0 (otg). This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config USB0_ID_DET
 	string "ID detect pin for usb0 (otg)"
 	default ""
 	---help---
 	Set the ID detect pin for usb0 (otg). This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config USB1_VBUS_PIN
 	string "Vbus enable pin for usb1 (ehci0)"
 	default "PH6" if MACH_SUN4I || MACH_SUN7I
 	default "PH27" if MACH_SUN6I
 	---help---
 	Set the Vbus enable pin for usb1 (ehci0, usb0 is the otg). This takes
 	a string in the format understood by sunxi_name_to_gpio, e.g.
 	PH1 for pin 1 of port H.

 config USB2_VBUS_PIN
 	string "Vbus enable pin for usb2 (ehci1)"
 	default "PH3" if MACH_SUN4I || MACH_SUN7I
 	default "PH24" if MACH_SUN6I
 	---help---
 	See USB1_VBUS_PIN help text.

 config I2C0_ENABLE
 	bool "Enable I2C/TWI controller 0"
 	default y if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
 	default n if MACH_SUN6I || MACH_SUN8I
 	---help---
 	This allows enabling I2C/TWI controller 0 by muxing its pins, enabling
 	its clock and setting up the bus. This is especially useful on devices
 	with slaves connected to the bus or with pins exposed through e.g. an
 	expansion port/header.

 config I2C1_ENABLE
 	bool "Enable I2C/TWI controller 1"
 	default n
 	---help---
 	See I2C0_ENABLE help text.

 config I2C2_ENABLE
 	bool "Enable I2C/TWI controller 2"
 	default n
 	---help---
 	See I2C0_ENABLE help text.

 if MACH_SUN6I || MACH_SUN7I
 config I2C3_ENABLE
 	bool "Enable I2C/TWI controller 3"
 	default n
 	---help---
 	See I2C0_ENABLE help text.
 endif

 if MACH_SUN7I
 config I2C4_ENABLE
 	bool "Enable I2C/TWI controller 4"
 	default n
 	---help---
 	See I2C0_ENABLE help text.
 endif

 config AXP_GPIO
 	boolean "Enable support for gpio-s on axp PMICs"
 	default n
 	---help---
 	Say Y here to enable support for the gpio pins of the axp PMIC ICs.

 config VIDEO
 	boolean "Enable graphical uboot console on HDMI, LCD or VGA"
 	default y
 	---help---
 	Say Y here to add support for using a cfb console on the HDMI, LCD
 	or VGA output found on most sunxi devices. See doc/README.video for
 	info on how to select the video output and mode.

 config VIDEO_HDMI
 	boolean "HDMI output support"
 	depends on VIDEO && !MACH_SUN8I
 	default y
 	---help---
 	Say Y here to add support for outputting video over HDMI.

 config VIDEO_VGA
 	boolean "VGA output support"
 	depends on VIDEO && (MACH_SUN4I || MACH_SUN7I)
 	default n
 	---help---
 	Say Y here to add support for outputting video over VGA.

 config VIDEO_VGA_VIA_LCD
 	boolean "VGA via LCD controller support"
 	depends on VIDEO && (MACH_SUN5I || MACH_SUN6I || MACH_SUN8I)
 	default n
 	---help---
 	Say Y here to add support for external DACs connected to the parallel
 	LCD interface driving a VGA connector, such as found on the
 	Olimex A13 boards.

 config VIDEO_VGA_VIA_LCD_FORCE_SYNC_ACTIVE_HIGH
 	boolean "Force sync active high for VGA via LCD controller support"
 	depends on VIDEO_VGA_VIA_LCD
 	default n
 	---help---
 	Say Y here if you've a board which uses opendrain drivers for the vga
 	hsync and vsync signals. Opendrain drivers cannot generate steep enough
 	positive edges for a stable video output, so on boards with opendrain
 	drivers the sync signals must always be active high.

 config VIDEO_VGA_EXTERNAL_DAC_EN
 	string "LCD panel power enable pin"
 	depends on VIDEO_VGA_VIA_LCD
 	default ""
 	---help---
 	Set the enable pin for the external VGA DAC. This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config VIDEO_LCD_MODE
 	string "LCD panel timing details"
 	depends on VIDEO
 	default ""
 	---help---
 	LCD panel timing details string, leave empty if there is no LCD panel.
 	This is in drivers/video/videomodes.c: video_get_params() format, e.g.
 	x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:0,vmode:0

 config VIDEO_LCD_DCLK_PHASE
 	int "LCD panel display clock phase"
 	depends on VIDEO
 	default 1
 	---help---
 	Select LCD panel display clock phase shift, range 0-3.

 config VIDEO_LCD_POWER
 	string "LCD panel power enable pin"
 	depends on VIDEO
 	default ""
 	---help---
 	Set the power enable pin for the LCD panel. This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config VIDEO_LCD_RESET
 	string "LCD panel reset pin"
 	depends on VIDEO
 	default ""
 	---help---
 	Set the reset pin for the LCD panel. This takes a string in the format
 	understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config VIDEO_LCD_BL_EN
 	string "LCD panel backlight enable pin"
 	depends on VIDEO
 	default ""
 	---help---
 	Set the backlight enable pin for the LCD panel. This takes a string in the
 	the format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of
 	port H.

 config VIDEO_LCD_BL_PWM
 	string "LCD panel backlight pwm pin"
 	depends on VIDEO
 	default ""
 	---help---
 	Set the backlight pwm pin for the LCD panel. This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config VIDEO_LCD_BL_PWM_ACTIVE_LOW
 	bool "LCD panel backlight pwm is inverted"
 	depends on VIDEO
 	default y
 	---help---
 	Set this if the backlight pwm output is active low.

 config VIDEO_LCD_PANEL_I2C
 	bool "LCD panel needs to be configured via i2c"
 	depends on VIDEO
 	default n
 	---help---
 	Say y here if the LCD panel needs to be configured via i2c. This
 	will add a bitbang i2c controller using gpios to talk to the LCD.

 config VIDEO_LCD_PANEL_I2C_SDA
 	string "LCD panel i2c interface SDA pin"
 	depends on VIDEO_LCD_PANEL_I2C
 	default "PG12"
 	---help---
 	Set the SDA pin for the LCD i2c interface. This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

 config VIDEO_LCD_PANEL_I2C_SCL
 	string "LCD panel i2c interface SCL pin"
 	depends on VIDEO_LCD_PANEL_I2C
 	default "PG10"
 	---help---
 	Set the SCL pin for the LCD i2c interface. This takes a string in the
 	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.


 # Note only one of these may be selected at a time! But hidden choices are
 # not supported by Kconfig
 config VIDEO_LCD_IF_PARALLEL
 	bool

 config VIDEO_LCD_IF_LVDS
 	bool


 choice
 	prompt "LCD panel support"
 	depends on VIDEO
 	---help---
 	Select which type of LCD panel to support.

 config VIDEO_LCD_PANEL_PARALLEL
 	bool "Generic parallel interface LCD panel"
 	select VIDEO_LCD_IF_PARALLEL

 config VIDEO_LCD_PANEL_LVDS
 	bool "Generic lvds interface LCD panel"
 	select VIDEO_LCD_IF_LVDS

 config VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828
 	bool "MIPI 4-lane, 513Mbps LCD panel via SSD2828 bridge chip"
 	select VIDEO_LCD_SSD2828
 	select VIDEO_LCD_IF_PARALLEL
 	---help---
 	 7.85" 768x1024 LCD panels, such as LG LP079X01 or AUO B079XAN01.0

 config VIDEO_LCD_PANEL_HITACHI_TX18D42VM
 	bool "Hitachi tx18d42vm LCD panel"
 	select VIDEO_LCD_HITACHI_TX18D42VM
 	select VIDEO_LCD_IF_LVDS
 	---help---
 	7.85" 1024x768 Hitachi tx18d42vm LCD panel support

 config VIDEO_LCD_TL059WV5C0
 	bool "tl059wv5c0 LCD panel"
 	select VIDEO_LCD_PANEL_I2C
 	select VIDEO_LCD_IF_PARALLEL
 	---help---
 	6" 480x800 tl059wv5c0 panel support, as used on the Utoo P66 and
 	Aigo M60/M608/M606 tablets.

 endchoice


 config GMAC_TX_DELAY
 	int "GMAC Transmit Clock Delay Chain"
 	default 0
 	---help---
 	Set the GMAC Transmit Clock Delay Chain value.

 endif
	if ARCH_SUNXI

	# Note only one of these may be selected at a time! But hidden choices are
	# not supported by Kconfig
	config SUNXI_GEN_SUN4I
	bool
	---help---
	Select this for sunxi SoCs which have resets and clocks set up
	as the original A10 (mach-sun4i).

	config SUNXI_GEN_SUN6I
	bool
	---help---
	Select this for sunxi SoCs which have sun6i like periphery, like
	separate ahb reset control registers, custom pmic bus, new style
	watchdog, etc.


	choice
	prompt "Sunxi SoC Variant"
	optional

	config MACH_SUN4I
	bool "sun4i (Allwinner A10)"
	select CPU_V7
	select SUNXI_GEN_SUN4I
	select SUPPORT_SPL

	config MACH_SUN5I
	bool "sun5i (Allwinner A13)"
	select CPU_V7
	select SUNXI_GEN_SUN4I
	select SUPPORT_SPL

	config MACH_SUN6I
	bool "sun6i (Allwinner A31)"
	select CPU_V7
	select CPU_V7_HAS_NONSEC
	select CPU_V7_HAS_VIRT
	select SUNXI_GEN_SUN6I
	select SUPPORT_SPL
	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

	config MACH_SUN7I
	bool "sun7i (Allwinner A20)"
	select CPU_V7
	select CPU_V7_HAS_NONSEC
	select CPU_V7_HAS_VIRT
	select SUNXI_GEN_SUN4I
	select SUPPORT_SPL
	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

	config MACH_SUN8I_A23
	bool "sun8i (Allwinner A23)"
	select CPU_V7
	select CPU_V7_HAS_NONSEC
	select CPU_V7_HAS_VIRT
	select SUNXI_GEN_SUN6I
	select SUPPORT_SPL
	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

	config MACH_SUN8I_A33
	bool "sun8i (Allwinner A33)"
	select CPU_V7
	select CPU_V7_HAS_NONSEC
	select CPU_V7_HAS_VIRT
	select SUNXI_GEN_SUN6I
	select SUPPORT_SPL
	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT

	config MACH_SUN9I
	bool "sun9i (Allwinner A80)"
	select CPU_V7
	select SUNXI_GEN_SUN6I

	endchoice

	# The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 \|\| A33"
	config MACH_SUN8I
	bool
	default y if MACH_SUN8I_A23 \|\| MACH_SUN8I_A33


	config DRAM_CLK
	int "sunxi dram clock speed"
	default 312 if MACH_SUN6I \|\| MACH_SUN8I
	default 360 if MACH_SUN4I \|\| MACH_SUN5I \|\| MACH_SUN7I
	---help---
	Set the dram clock speed, valid range 240 - 480, must be a multiple
	of 24.

	if MACH_SUN5I \|\| MACH_SUN7I
	config DRAM_MBUS_CLK
	int "sunxi mbus clock speed"
	default 300
	---help---
	Set the mbus clock speed. The maximum on sun5i hardware is 300MHz.

	endif

	config DRAM_ZQ
	int "sunxi dram zq value"
	default 123 if MACH_SUN4I \|\| MACH_SUN5I \|\| MACH_SUN6I \|\| MACH_SUN8I
	default 127 if MACH_SUN7I
	---help---
	Set the dram zq value.

	config DRAM_ODT_EN
	bool "sunxi dram odt enable"
	default n if !MACH_SUN8I_A23
	default y if MACH_SUN8I_A23
	---help---
	Select this to enable dram odt (on die termination).

	if MACH_SUN4I \|\| MACH_SUN5I \|\| MACH_SUN7I
	config DRAM_EMR1
	int "sunxi dram emr1 value"
	default 0 if MACH_SUN4I
	default 4 if MACH_SUN5I \|\| MACH_SUN7I
	---help---
	Set the dram controller emr1 value.

	config DRAM_TPR3
	hex "sunxi dram tpr3 value"
	default 0
	---help---
	Set the dram controller tpr3 parameter. This parameter configures
	the delay on the command lane and also phase shifts, which are
	applied for sampling incoming read data. The default value 0
	means that no phase/delay adjustments are necessary. Properly
	configuring this parameter increases reliability at high DRAM
	clock speeds.

	config DRAM_DQS_GATING_DELAY
	hex "sunxi dram dqs_gating_delay value"
	default 0
	---help---
	Set the dram controller dqs_gating_delay parmeter. Each byte
	encodes the DQS gating delay for each byte lane. The delay
	granularity is 1/4 cycle. For example, the value 0x05060606
	means that the delay is 5 quarter-cycles for one lane (1.25
	cycles) and 6 quarter-cycles (1.5 cycles) for 3 other lanes.
	The default value 0 means autodetection. The results of hardware
	autodetection are not very reliable and depend on the chip
	temperature (sometimes producing different results on cold start
	and warm reboot). But the accuracy of hardware autodetection
	is usually good enough, unless running at really high DRAM
	clocks speeds (up to 600MHz). If unsure, keep as 0.

	choice
	prompt "sunxi dram timings"
	default DRAM_TIMINGS_VENDOR_MAGIC
	---help---
	Select the timings of the DDR3 chips.

	config DRAM_TIMINGS_VENDOR_MAGIC
	bool "Magic vendor timings from Android"
	---help---
	The same DRAM timings as in the Allwinner boot0 bootloader.

	config DRAM_TIMINGS_DDR3_1066F_1333H
	bool "JEDEC DDR3-1333H with down binning to DDR3-1066F"
	---help---
	Use the timings of the standard JEDEC DDR3-1066F speed bin for
	DRAM_CLK <= 533MHz and the timings of the DDR3-1333H speed bin
	for DRAM_CLK > 533MHz. This covers the majority of DDR3 chips
	used in Allwinner A10/A13/A20 devices. In the case of DDR3-1333
	or DDR3-1600 chips, be sure to check the DRAM datasheet to confirm
	that down binning to DDR3-1066F is supported (because DDR3-1066F
	uses a bit faster timings than DDR3-1333H).

	config DRAM_TIMINGS_DDR3_800E_1066G_1333J
	bool "JEDEC DDR3-800E / DDR3-1066G / DDR3-1333J"
	---help---
	Use the timings of the slowest possible JEDEC speed bin for the
	selected DRAM_CLK. Depending on the DRAM_CLK value, it may be
	DDR3-800E, DDR3-1066G or DDR3-1333J.

	endchoice

	endif

	if MACH_SUN8I_A23
	config DRAM_ODT_CORRECTION
	int "sunxi dram odt correction value"
	default 0
	---help---
	Set the dram odt correction value (range -255 - 255). In allwinner
	fex files, this option is found in bits 8-15 of the u32 odt_en variable
	in the [dram] section. When bit 31 of the odt_en variable is set
	then the correction is negative. Usually the value for this is 0.
	endif

	config SYS_CLK_FREQ
	default 912000000 if MACH_SUN7I
	default 1008000000 if MACH_SUN4I \|\| MACH_SUN5I \|\| MACH_SUN6I \|\| MACH_SUN8I

	config SYS_CONFIG_NAME
	default "sun4i" if MACH_SUN4I
	default "sun5i" if MACH_SUN5I
	default "sun6i" if MACH_SUN6I
	default "sun7i" if MACH_SUN7I
	default "sun8i" if MACH_SUN8I
	default "sun9i" if MACH_SUN9I

	config SYS_BOARD
	default "sunxi"

	config SYS_SOC
	default "sunxi"

	config UART0_PORT_F
	bool "UART0 on MicroSD breakout board"
	default n
	---help---
	Repurpose the SD card slot for getting access to the UART0 serial
	console. Primarily useful only for low level u-boot debugging on
	tablets, where normal UART0 is difficult to access and requires
	device disassembly and/or soldering. As the SD card can't be used
	at the same time, the system can be only booted in the FEL mode.
	Only enable this if you really know what you are doing.

	config OLD_SUNXI_KERNEL_COMPAT
	boolean "Enable workarounds for booting old kernels"
	default n
	---help---
	Set this to enable various workarounds for old kernels, this results in
	sub-optimal settings for newer kernels, only enable if needed.

	config MMC0_CD_PIN
	string "Card detect pin for mmc0"
	default ""
	---help---
	Set the card detect pin for mmc0, leave empty to not use cd. This
	takes a string in the format understood by sunxi_name_to_gpio, e.g.
	PH1 for pin 1 of port H.

	config MMC1_CD_PIN
	string "Card detect pin for mmc1"
	default ""
	---help---
	See MMC0_CD_PIN help text.

	config MMC2_CD_PIN
	string "Card detect pin for mmc2"
	default ""
	---help---
	See MMC0_CD_PIN help text.

	config MMC3_CD_PIN
	string "Card detect pin for mmc3"
	default ""
	---help---
	See MMC0_CD_PIN help text.

	config MMC1_PINS
	string "Pins for mmc1"
	default ""
	---help---
	Set the pins used for mmc1, when applicable. This takes a string in the
	format understood by sunxi_name_to_gpio_bank, e.g. PH for port H.

	config MMC2_PINS
	string "Pins for mmc2"
	default ""
	---help---
	See MMC1_PINS help text.

	config MMC3_PINS
	string "Pins for mmc3"
	default ""
	---help---
	See MMC1_PINS help text.

	config MMC_SUNXI_SLOT_EXTRA
	int "mmc extra slot number"
	default -1
	---help---
	sunxi builds always enable mmc0, some boards also have a second sdcard
	slot or emmc on mmc1 - mmc3. Setting this to 1, 2 or 3 will enable
	support for this.

	config USB0_VBUS_PIN
	string "Vbus enable pin for usb0 (otg)"
	default ""
	---help---
	Set the Vbus enable pin for usb0 (otg). This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config USB0_VBUS_DET
	string "Vbus detect pin for usb0 (otg)"
	default ""
	---help---
	Set the Vbus detect pin for usb0 (otg). This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config USB0_ID_DET
	string "ID detect pin for usb0 (otg)"
	default ""
	---help---
	Set the ID detect pin for usb0 (otg). This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config USB1_VBUS_PIN
	string "Vbus enable pin for usb1 (ehci0)"
	default "PH6" if MACH_SUN4I \|\| MACH_SUN7I
	default "PH27" if MACH_SUN6I
	---help---
	Set the Vbus enable pin for usb1 (ehci0, usb0 is the otg). This takes
	a string in the format understood by sunxi_name_to_gpio, e.g.
	PH1 for pin 1 of port H.

	config USB2_VBUS_PIN
	string "Vbus enable pin for usb2 (ehci1)"
	default "PH3" if MACH_SUN4I \|\| MACH_SUN7I
	default "PH24" if MACH_SUN6I
	---help---
	See USB1_VBUS_PIN help text.

	config I2C0_ENABLE
	bool "Enable I2C/TWI controller 0"
	default y if MACH_SUN4I \|\| MACH_SUN5I \|\| MACH_SUN7I
	default n if MACH_SUN6I \|\| MACH_SUN8I
	---help---
	This allows enabling I2C/TWI controller 0 by muxing its pins, enabling
	its clock and setting up the bus. This is especially useful on devices
	with slaves connected to the bus or with pins exposed through e.g. an
	expansion port/header.

	config I2C1_ENABLE
	bool "Enable I2C/TWI controller 1"
	default n
	---help---
	See I2C0_ENABLE help text.

	config I2C2_ENABLE
	bool "Enable I2C/TWI controller 2"
	default n
	---help---
	See I2C0_ENABLE help text.

	if MACH_SUN6I \|\| MACH_SUN7I
	config I2C3_ENABLE
	bool "Enable I2C/TWI controller 3"
	default n
	---help---
	See I2C0_ENABLE help text.
	endif

	if MACH_SUN7I
	config I2C4_ENABLE
	bool "Enable I2C/TWI controller 4"
	default n
	---help---
	See I2C0_ENABLE help text.
	endif

	config AXP_GPIO
	boolean "Enable support for gpio-s on axp PMICs"
	default n
	---help---
	Say Y here to enable support for the gpio pins of the axp PMIC ICs.

	config VIDEO
	boolean "Enable graphical uboot console on HDMI, LCD or VGA"
	default y
	---help---
	Say Y here to add support for using a cfb console on the HDMI, LCD
	or VGA output found on most sunxi devices. See doc/README.video for
	info on how to select the video output and mode.

	config VIDEO_HDMI
	boolean "HDMI output support"
	depends on VIDEO && !MACH_SUN8I
	default y
	---help---
	Say Y here to add support for outputting video over HDMI.

	config VIDEO_VGA
	boolean "VGA output support"
	depends on VIDEO && (MACH_SUN4I \|\| MACH_SUN7I)
	default n
	---help---
	Say Y here to add support for outputting video over VGA.

	config VIDEO_VGA_VIA_LCD
	boolean "VGA via LCD controller support"
	depends on VIDEO && (MACH_SUN5I \|\| MACH_SUN6I \|\| MACH_SUN8I)
	default n
	---help---
	Say Y here to add support for external DACs connected to the parallel
	LCD interface driving a VGA connector, such as found on the
	Olimex A13 boards.

	config VIDEO_VGA_VIA_LCD_FORCE_SYNC_ACTIVE_HIGH
	boolean "Force sync active high for VGA via LCD controller support"
	depends on VIDEO_VGA_VIA_LCD
	default n
	---help---
	Say Y here if you've a board which uses opendrain drivers for the vga
	hsync and vsync signals. Opendrain drivers cannot generate steep enough
	positive edges for a stable video output, so on boards with opendrain
	drivers the sync signals must always be active high.

	config VIDEO_VGA_EXTERNAL_DAC_EN
	string "LCD panel power enable pin"
	depends on VIDEO_VGA_VIA_LCD
	default ""
	---help---
	Set the enable pin for the external VGA DAC. This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config VIDEO_LCD_MODE
	string "LCD panel timing details"
	depends on VIDEO
	default ""
	---help---
	LCD panel timing details string, leave empty if there is no LCD panel.
	This is in drivers/video/videomodes.c: video_get_params() format, e.g.
	x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:0,vmode:0

	config VIDEO_LCD_DCLK_PHASE
	int "LCD panel display clock phase"
	depends on VIDEO
	default 1
	---help---
	Select LCD panel display clock phase shift, range 0-3.

	config VIDEO_LCD_POWER
	string "LCD panel power enable pin"
	depends on VIDEO
	default ""
	---help---
	Set the power enable pin for the LCD panel. This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config VIDEO_LCD_RESET
	string "LCD panel reset pin"
	depends on VIDEO
	default ""
	---help---
	Set the reset pin for the LCD panel. This takes a string in the format
	understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config VIDEO_LCD_BL_EN
	string "LCD panel backlight enable pin"
	depends on VIDEO
	default ""
	---help---
	Set the backlight enable pin for the LCD panel. This takes a string in the
	the format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of
	port H.

	config VIDEO_LCD_BL_PWM
	string "LCD panel backlight pwm pin"
	depends on VIDEO
	default ""
	---help---
	Set the backlight pwm pin for the LCD panel. This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config VIDEO_LCD_BL_PWM_ACTIVE_LOW
	bool "LCD panel backlight pwm is inverted"
	depends on VIDEO
	default y
	---help---
	Set this if the backlight pwm output is active low.

	config VIDEO_LCD_PANEL_I2C
	bool "LCD panel needs to be configured via i2c"
	depends on VIDEO
	default n
	---help---
	Say y here if the LCD panel needs to be configured via i2c. This
	will add a bitbang i2c controller using gpios to talk to the LCD.

	config VIDEO_LCD_PANEL_I2C_SDA
	string "LCD panel i2c interface SDA pin"
	depends on VIDEO_LCD_PANEL_I2C
	default "PG12"
	---help---
	Set the SDA pin for the LCD i2c interface. This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.

	config VIDEO_LCD_PANEL_I2C_SCL
	string "LCD panel i2c interface SCL pin"
	depends on VIDEO_LCD_PANEL_I2C
	default "PG10"
	---help---
	Set the SCL pin for the LCD i2c interface. This takes a string in the
	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.


	# Note only one of these may be selected at a time! But hidden choices are
	# not supported by Kconfig
	config VIDEO_LCD_IF_PARALLEL
	bool

	config VIDEO_LCD_IF_LVDS
	bool


	choice
	prompt "LCD panel support"
	depends on VIDEO
	---help---
	Select which type of LCD panel to support.

	config VIDEO_LCD_PANEL_PARALLEL
	bool "Generic parallel interface LCD panel"
	select VIDEO_LCD_IF_PARALLEL

	config VIDEO_LCD_PANEL_LVDS
	bool "Generic lvds interface LCD panel"
	select VIDEO_LCD_IF_LVDS

	config VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828
	bool "MIPI 4-lane, 513Mbps LCD panel via SSD2828 bridge chip"
	select VIDEO_LCD_SSD2828
	select VIDEO_LCD_IF_PARALLEL
	---help---
	7.85" 768x1024 LCD panels, such as LG LP079X01 or AUO B079XAN01.0

	config VIDEO_LCD_PANEL_HITACHI_TX18D42VM
	bool "Hitachi tx18d42vm LCD panel"
	select VIDEO_LCD_HITACHI_TX18D42VM
	select VIDEO_LCD_IF_LVDS
	---help---
	7.85" 1024x768 Hitachi tx18d42vm LCD panel support

	config VIDEO_LCD_TL059WV5C0
	bool "tl059wv5c0 LCD panel"
	select VIDEO_LCD_PANEL_I2C
	select VIDEO_LCD_IF_PARALLEL
	---help---
	6" 480x800 tl059wv5c0 panel support, as used on the Utoo P66 and
	Aigo M60/M608/M606 tablets.

	endchoice


	config GMAC_TX_DELAY
	int "GMAC Transmit Clock Delay Chain"
	default 0
	---help---
	Set the GMAC Transmit Clock Delay Chain value.

	endif