rockchip:usb: add a simple readme for rockusb

[people/ms/u-boot.git] / arch / arm / mach-rockchip / Kconfig

if ARCH_ROCKCHIP

config ROCKCHIP_RK3036
	bool "Support Rockchip RK3036"
	select CPU_V7
	select SUPPORT_SPL
	select SPL
	help
	  The Rockchip RK3036 is a ARM-based SoC with a dual-core Cortex-A7
	  including NEON and GPU, Mali-400 graphics, several DDR3 options
	  and video codec support. Peripherals include Gigabit Ethernet,
	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.

config ROCKCHIP_RK3128
	bool "Support Rockchip RK3128"
	select CPU_V7
	help
	  The Rockchip RK3128 is a ARM-based SoC with a quad-core Cortex-A7
	  including NEON and GPU, Mali-400 graphics, several DDR3 options
	  and video codec support. Peripherals include Gigabit Ethernet,
	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.

config ROCKCHIP_RK3188
	bool "Support Rockchip RK3188"
	select CPU_V7
	select SPL_BOARD_INIT if SPL
	select SUPPORT_SPL
	select SPL
	select SPL_CLK
	select SPL_PINCTRL
	select SPL_REGMAP
	select SPL_SYSCON
	select SPL_RAM
	select SPL_DRIVERS_MISC_SUPPORT
	select SPL_ROCKCHIP_EARLYRETURN_TO_BROM
	select BOARD_LATE_INIT
	select ROCKCHIP_BROM_HELPER
	help
	  The Rockchip RK3188 is a ARM-based SoC with a quad-core Cortex-A9
	  including NEON and GPU, 512KB L2 cache, Mali-400 graphics, two
	  video interfaces, several memory options and video codec support.
	  Peripherals include Fast Ethernet, USB2 host and OTG, SDIO, I2S,
	  UART, SPI, I2C and PWMs.

config ROCKCHIP_RK322X
	bool "Support Rockchip RK3228/RK3229"
	select CPU_V7
	select SUPPORT_SPL
	select SPL
	select ROCKCHIP_BROM_HELPER
	select DEBUG_UART_BOARD_INIT
	help
	  The Rockchip RK3229 is a ARM-based SoC with a dual-core Cortex-A7
	  including NEON and GPU, Mali-400 graphics, several DDR3 options
	  and video codec support. Peripherals include Gigabit Ethernet,
	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.

config ROCKCHIP_RK3288
	bool "Support Rockchip RK3288"
	select CPU_V7
	select SPL_BOARD_INIT if SPL
	select SUPPORT_SPL
	select SPL
	help
	  The Rockchip RK3288 is a ARM-based SoC with a quad-core Cortex-A17
	  including NEON and GPU, 1MB L2 cache, Mali-T7 graphics, two
	  video interfaces supporting HDMI and eDP, several DDR3 options
	  and video codec support. Peripherals include Gigabit Ethernet,
	  USB2 host and OTG, SDIO, I2S, UARTs, SPI, I2C and PWMs.

config ROCKCHIP_RK3328
	bool "Support Rockchip RK3328"
	select ARM64
	help
	  The Rockchip RK3328 is a ARM-based SoC with a quad-core Cortex-A53.
	  including NEON and GPU, 1MB L2 cache, Mali-T7 graphics, two
	  video interfaces supporting HDMI and eDP, several DDR3 options
	  and video codec support. Peripherals include Gigabit Ethernet,
	  USB2 host and OTG, SDIO, I2S, UARTs, SPI, I2C and PWMs.

config ROCKCHIP_RK3368
	bool "Support Rockchip RK3368"
	select ARM64
	select SUPPORT_SPL
	select SUPPORT_TPL
	select TPL_NEEDS_SEPARATE_TEXT_BASE if SPL
	select TPL_NEEDS_SEPARATE_STACK if TPL
	imply SPL_SEPARATE_BSS
	imply SPL_SERIAL_SUPPORT
	imply TPL_SERIAL_SUPPORT
	select DEBUG_UART_BOARD_INIT
	select SYS_NS16550
	help
	  The Rockchip RK3368 is a ARM-based SoC with a octa-core (organised
	  into a big and little cluster with 4 cores each) Cortex-A53 including
	  AdvSIMD, 512KB L2 cache (for the big cluster) and 256 KB L2 cache
	  (for the little cluster), PowerVR G6110 based graphics, one video
	  output processor supporting LVDS/HDMI/eDP, several DDR3 options and
	  video codec support.

	  On-chip peripherals include Gigabit Ethernet, USB2 host and OTG, SDIO,
	  I2S, UARTs, SPI, I2C and PWMs.

if ROCKCHIP_RK3368

config TPL_LDSCRIPT
	default "arch/arm/mach-rockchip/rk3368/u-boot-tpl.lds"

config TPL_TEXT_BASE
        default 0xff8c1000

config TPL_MAX_SIZE
        default 28672

config TPL_STACK
        default 0xff8cffff

endif

config ROCKCHIP_RK3399
	bool "Support Rockchip RK3399"
	select ARM64
	select SUPPORT_SPL
	select SPL
	select SPL_SEPARATE_BSS
	select SPL_SERIAL_SUPPORT
	select SPL_DRIVERS_MISC_SUPPORT
	select DEBUG_UART_BOARD_INIT
	select BOARD_LATE_INIT
	select ROCKCHIP_BROM_HELPER
	help
	  The Rockchip RK3399 is a ARM-based SoC with a dual-core Cortex-A72
	  and quad-core Cortex-A53.
	  including NEON and GPU, 1MB L2 cache, Mali-T7 graphics, two
	  video interfaces supporting HDMI and eDP, several DDR3 options
	  and video codec support. Peripherals include Gigabit Ethernet,
	  USB2 host and OTG, SDIO, I2S, UARTs, SPI, I2C and PWMs.

config ROCKCHIP_RV1108
	bool "Support Rockchip RV1108"
	select CPU_V7
	help
	  The Rockchip RV1108 is a ARM-based SoC with a single-core Cortex-A7
	  and a DSP.

config SPL_ROCKCHIP_BACK_TO_BROM
	bool "SPL returns to bootrom"
	default y if ROCKCHIP_RK3036
	select ROCKCHIP_BROM_HELPER
	depends on SPL
	help
	  Rockchip SoCs have ability to load SPL & U-Boot binary. If enabled,
          SPL will return to the boot rom, which will then load the U-Boot
          binary to keep going on.

config TPL_ROCKCHIP_BACK_TO_BROM
	bool "TPL returns to bootrom"
	default y if ROCKCHIP_RK3368
	select ROCKCHIP_BROM_HELPER
	depends on TPL
	help
	  Rockchip SoCs have ability to load SPL & U-Boot binary. If enabled,
          SPL will return to the boot rom, which will then load the U-Boot
          binary to keep going on.

config ROCKCHIP_BOOT_MODE_REG
	hex "Rockchip boot mode flag register address"
	default 0x200081c8 if ROCKCHIP_RK3036
	default 0x20004040 if ROCKCHIP_RK3188
	default 0x110005c8 if ROCKCHIP_RK322X
	default 0xff730094 if ROCKCHIP_RK3288
	default 0xff738200 if ROCKCHIP_RK3368
	default 0xff320300 if ROCKCHIP_RK3399
	default 0x10300580 if ROCKCHIP_RV1108
	default 0
	help
	  The Soc will enter to different boot mode(defined in asm/arch/boot_mode.h)
	  according to the value from this register.

config ROCKCHIP_SPL_RESERVE_IRAM
	hex "Size of IRAM reserved in SPL"
	default 0
	help
	  SPL may need reserve memory for firmware loaded by SPL, whose load
	  address is in IRAM and may overlay with SPL text area if not
	  reserved.

config ROCKCHIP_BROM_HELPER
	bool

config SPL_ROCKCHIP_EARLYRETURN_TO_BROM
        bool "SPL requires early-return (for RK3188-style BROM) to BROM"
	depends on SPL && ENABLE_ARM_SOC_BOOT0_HOOK
	help
	  Some Rockchip BROM variants (e.g. on the RK3188) load the
	  first stage in segments and enter multiple times. E.g. on
	  the RK3188, the first 1KB of the first stage are loaded
	  first and entered; after returning to the BROM, the
	  remainder of the first stage is loaded, but the BROM
	  re-enters at the same address/to the same code as previously.

	  This enables support code in the BOOT0 hook for the SPL stage
	  to allow multiple entries.

config TPL_ROCKCHIP_EARLYRETURN_TO_BROM
        bool "TPL requires early-return (for RK3188-style BROM) to BROM"
	depends on TPL && ENABLE_ARM_SOC_BOOT0_HOOK
	help
	  Some Rockchip BROM variants (e.g. on the RK3188) load the
	  first stage in segments and enter multiple times. E.g. on
	  the RK3188, the first 1KB of the first stage are loaded
	  first and entered; after returning to the BROM, the
	  remainder of the first stage is loaded, but the BROM
	  re-enters at the same address/to the same code as previously.

	  This enables support code in the BOOT0 hook for the TPL stage
	  to allow multiple entries.

config SPL_MMC_SUPPORT
	default y if !SPL_ROCKCHIP_BACK_TO_BROM

source "arch/arm/mach-rockchip/rk3036/Kconfig"
source "arch/arm/mach-rockchip/rk3128/Kconfig"
source "arch/arm/mach-rockchip/rk3188/Kconfig"
source "arch/arm/mach-rockchip/rk322x/Kconfig"
source "arch/arm/mach-rockchip/rk3288/Kconfig"
source "arch/arm/mach-rockchip/rk3328/Kconfig"
source "arch/arm/mach-rockchip/rk3368/Kconfig"
source "arch/arm/mach-rockchip/rk3399/Kconfig"
source "arch/arm/mach-rockchip/rv1108/Kconfig"
endif