On 2022/9/15 15:23, Manoj Sai wrote:
This patch enables the following:

1) use preboot configuration to enable usb devices.

2) Enable USB configs so keyboards and other USB devices work,
    update the number of ports of the usb root hub.

    - with this addition the updated USB device Tree:

        1  Hub (12 Mb/s, 0mA)
        U-Boot Root Hub
        1  Hub (12 Mb/s, 0mA)
        |   U-Boot Root Hub
        |
        +-2  Hub (12 Mb/s, 100mA)
        USB 2.0 Hub [MTT]

        1  Hub (5 Gb/s, 0mA)
        U-Boot XHCI Host Controller

3) enable crypto RNG support.

4) Change SPI speed and frequency:
     - increase the maximum SPI slave device speed,
       SPI flash max frequency for the environment from 10Mhz to 30MHz.

     - performance stats for speed update from 10MHz to 30MHz:

        with 10Mhz speed update:
         => sf update 0x300000 0x800000 0x400000
            4194304 bytes written, 0 bytes skipped in 36.819s, speed 119837 B/s

         with 30Mhz speed update:
         => sf update 0x300000 0x800000 0x400000
            4194304 bytes written, 0 bytes skipped in 20.319s, speed 220752 B/s

Signed-off-by: Manoj Sai <abbaraju.manoj...@amarulasolutions.com>
Signed-off-by: Da Xue <da....@libretech.co>
Signed-off-by: dsx724 <d...@lessconfused.com>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>

Thanks,
- Kever
---
Changes for v3:
- shortened the commit header.
Changes for v2:
- fixed prefix in the commit message.
- squash all four patches into a single patch.
---
  configs/roc-pc-rk3399_defconfig | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/configs/roc-pc-rk3399_defconfig b/configs/roc-pc-rk3399_defconfig
index 4625e47537..7754cb8388 100644
--- a/configs/roc-pc-rk3399_defconfig
+++ b/configs/roc-pc-rk3399_defconfig
@@ -20,6 +20,7 @@ CONFIG_DEBUG_UART=y
  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x300000
  # CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_USE_PREBOOT=y
  CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-roc-pc.dtb"
  CONFIG_DISPLAY_BOARDINFO_LATE=y
  CONFIG_SPL_MAX_SIZE=0x2e000
@@ -44,6 +45,7 @@ CONFIG_CMD_TIME=y
  CONFIG_SPL_OF_CONTROL=y
  CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent 
assigned-clocks assigned-clock-rates assigned-clock-parents"
  CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_ENV_SPI_MAX_HZ=30000000
  CONFIG_SYS_RELOC_GD_ENV_ADDR=y
  CONFIG_SPL_DM_SEQ_ALIAS=y
  CONFIG_ROCKCHIP_GPIO=y
@@ -54,6 +56,7 @@ CONFIG_MMC_DW_ROCKCHIP=y
  CONFIG_MMC_SDHCI=y
  CONFIG_MMC_SDHCI_ROCKCHIP=y
  CONFIG_SF_DEFAULT_BUS=1
+CONFIG_SF_DEFAULT_SPEED=30000000
  CONFIG_SPI_FLASH_WINBOND=y
  CONFIG_ETH_DESIGNWARE=y
  CONFIG_GMAC_ROCKCHIP=y
@@ -66,6 +69,8 @@ CONFIG_PWM_ROCKCHIP=y
  # CONFIG_RAM_ROCKCHIP_DEBUG is not set
  CONFIG_RAM_RK3399_LPDDR4=y
  CONFIG_DM_RESET=y
+CONFIG_DM_RNG=y
+CONFIG_RNG_ROCKCHIP=y
  CONFIG_BAUDRATE=1500000
  CONFIG_DEBUG_UART_SHIFT=2
  CONFIG_ROCKCHIP_SPI=y
@@ -75,6 +80,9 @@ CONFIG_USB_XHCI_HCD=y
  CONFIG_USB_XHCI_DWC3=y
  CONFIG_USB_EHCI_HCD=y
  CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
+CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS=2
  CONFIG_USB_DWC3=y
  CONFIG_USB_DWC3_GENERIC=y
  CONFIG_USB_KEYBOARD=y

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