u-boot/board/sunxi/Kconfig

if ARCH_SUNXI

choice
	prompt "Sunxi SoC Variant"

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

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

config MACH_SUN6I
	bool "sun6i (Allwinner A31)"
	select CPU_V7
	select SUPPORT_SPL

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

config MACH_SUN8I
	bool "sun8i (Allwinner A23)"
	select CPU_V7
	select SUPPORT_SPL

endchoice

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.

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_ODT_EN
	int "sunxi dram odt_en value"
	default 0
	---help---
	Set the dram controller odt_en parameter. This can be used to
	enable/disable the ODT feature.

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

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

config SYS_BOARD
	default "sunxi"

config SYS_SOC
	default "sunxi"

config SPL_FEL
	bool "SPL/FEL mode support"
	depends on SPL
	default n
	help
	  This enables support for Fast Early Loader (FEL) mode. This
	  allows U-Boot to be loaded to the board over USB by the on-chip
	  boot rom. U-Boot should be sent in two parts: SPL first, with
	  'fel write 0x2000 u-boot-spl.bin; fel exe 0x2000' then U-Boot with
	  'fel write 0x4a000000 u-boot.bin; fel exe 0x4a000000'. This option
	  shrinks the amount of SRAM available to SPL, so only enable it if
	  you need FEL. Note that enabling this option only allows FEL to be
	  used; it is still possible to boot U-Boot from boot media. U-Boot
	  SPL detects when it is being loaded using FEL.

config UART0_PORT_F
	bool "UART0 on MicroSD breakout board"
	depends on SPL_FEL
	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 FDTFILE
	string "Default fdtfile env setting for this board"

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 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 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 USB_MUSB_SUNXI
	bool "Enable sunxi OTG / DRC USB controller in host mode"
	default n
	---help---
	Say y here to enable support for the sunxi OTG / DRC USB controller
	used on almost all sunxi boards. Note currently u-boot can only have
	one usb host controller enabled at a time, so enabling this on boards
	which also use the ehci host controller will result in build errors.

config USB_KEYBOARD
	boolean "Enable USB keyboard support"
	default y
	---help---
	Say Y here to add support for using a USB keyboard (typically used
	in combination with a graphical console).

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

endif