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Under construction…

General features

  1. Support console at UART0 (@ 115,200 bps).

  2. Support booting Linux from SPI-NOR flash.

  3. Support booting Linux from SPI-NAND and 8-bit NAND flashes.

  4. Support booting Linux from eMMC device.

  5. Support secure-boot (check hash value of Linux image).

  6. Support in-system program SPI-NOR flash.

  7. Support in-system program SPI-NAND and 8-bit NAND flashes.

  8. Support in-system program eMMC device.

  9. Support read ISP images (stored in ISPBOOOT.BIN) from USB flash drives or SD cards.

  10. Support fastboot for eMMC device.

  11. Support fastboot for SPI-NAND and 8-bit NAND flashes.

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Drivers locations and features

Drivers

Folders or files

 

8-bit NAND

drivers/mtd/nand/raw/sp_paranand/

  1. Support U-Boot mtd framework.

  2. Support read and write standard 2k/4k/8k ECC sectors.

  3. Support read and write 1K60 ECC sectors.

  4. Support block and chip erase.

Clock

drivers/clk/sunplus/

  1. Support clock functions for all devices used in U-Boot.

eMMC

drivers/mmc/sp_mmc*.*

  1. Support U-Boot MMC framework.

  2. Support read and write User Data Area.

  3. Support read and write RPMB partition.

  4. Support DMA mode.

Giga Ethernet

drivers/net/designware.c

  1. Support 802.3 packets transactions.

I2C

drivers/i2c/sp_i2c_mas.c

  1. Support I2C master mode access.

  2. Support 100kHz and 400kHz speeds.

NVNEM (OTP)

drivers/soc/sunplus/

  1. Support write and read OTP.

Reset

drivers/reset/reset-sunplus.c

  1. Support reset functions for all devices used in U-Boot.

Pinctrl

drivers/pinctrl/sunplus/

  1. Support pin-mux of all devices.

  2. Support all GPIO pins.

SD card

drivers/mmc/sp_sd*.*

  1. Support U-Boot MMC framework.

  2. Support read and write operations.

  3. Support DMA mode.

SPI

drivers/spi/designware_spi.c

  1. Support SPI master mode access.

  2. Support set clock frequency.

  3. Support mode 0, 1, 2 and 3.

SPI-NAND

drivers/mtd/nand/raw/sp_*_q645.*

  1. Support U-Boot mtd framework.

  2. Support read and write standard 2k ECC sectors.

  3. Support read and write 1K60 ECC sectors..

  4. Support block and chip erase.

  5. Support 4-bit operations.

  6. Support set clock frequency.

SPI-NOR

drivers/spi/sp_spi_nor.c

  1. Support U-Boot mtd framework.

  2. Support read and write operations.

  3. Support block and chip erase.

  4. Support set clock frequency.

UART

drivers/serial/serial_sunplus.c

  1. Support U-Boot console (@ 115,200).

USB2.0 EHCI

drivers/usb/host/ehci-sunplus.c

  1. Support high-speed read and write operations.

USB2.0 OHCI

　

  1. Support full-speed read and write operations.

USB3.0 DRD driver

drivers/usb/host/xhci-spdwc3.c
drivers/phy/phy-sunplus-dwc3.c

  1. Support super-speed, high-speed and full-speed access.

  2. Support host and device mode.

  3. Support USB type C receptacle.

Video (MIPI/DSI-TX)

drivers/video/sunplus/sp7350/disp/

  1. Support U-Boot video console.

Other files

Type

Folders

Files

 

board

board/sunplus/sp7350/

 

machine

arch/arm/mach-pentagram/

scripts

include/configs/

pentagram_common_sp7350_c.h

defconfig files

configs/

sp7350_*_defconfig