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rockchip: fix baudrate for Radxa E25

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According to the documentation[1], the serial baudrate of E25 is
115.2 Kbps, and setting it to 1.5 Mbps will cause onboard CH340B
USB-UART chip unstable.

Since mainline TPL is yet available, download patched TPL binary
from Radxa.

1. https://wiki.radxa.com/Rock3/CM/CM3I/E25/getting_started

Fixes: https://github.com/openwrt/openwrt/issues/15814
Fixes: f7c732bf9e ("rockchip: add Radxa E25 board support")
Tested-by: FUKAUMI Naoki <naoki@radxa.com>
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Link: https://github.com/openwrt/openwrt/pull/15870
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Tianling Shen 2024-07-04 21:09:03 +08:00 committed by Robert Marko
parent 9a8111fb25
commit 7a96d36188
4 changed files with 35 additions and 1 deletions
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26
package/boot/rkbin/Makefile
View file

@ -37,9 +37,33 @@ define Trusted-Firmware-A/rk3568
TPL:=rk35/rk3568_ddr_1560MHz_v1.21.bin TPL:=rk35/rk3568_ddr_1560MHz_v1.21.bin
endef endef
define Trusted-Firmware-A/rk3568-e25
NAME:=Radxa E25 board
BUILD_SUBTARGET:=armv8
ATF:=rk35/rk3568_bl31_v1.44.elf
TPL:=rk35/rk3568_ddr_1560MHz_uart2_m0_115200_v1.21.bin
endef
TFA_TARGETS:= \ TFA_TARGETS:= \
rk3566 \ rk3566 \
rk3568 rk3568 \
rk3568-e25
ifeq ($(BUILD_VARIANT),rk3568-e25)
TPL_FILE:=rk3568_ddr_1560MHz_uart2_m0_115200_v1.21.bin
define Download/rk3568-tpl-e25
FILE:=$(TPL_FILE)
URL:=https://github.com/radxa/rkbin/raw/5696fab20dcac57c1458f72dc7604ba60e553adf/bin/rk35/
HASH:=1815f9649dc5661a3ef184b052da39286e51453a66f6ff53cc3e345d65dfabd4
endef
define Build/Prepare
$(eval $(call Download,rk3568-tpl-e25))
$(call Build/Prepare/Default)
$(CP) $(DL_DIR)/$(TPL_FILE) $(PKG_BUILD_DIR)/bin/rk35/
endef
endif
define Build/Compile define Build/Compile
endef endef

2
package/boot/uboot-rockchip/Makefile
View file

@ -174,6 +174,8 @@ endef
define U-Boot/radxa-e25-rk3568 define U-Boot/radxa-e25-rk3568
$(U-Boot/rk3568/Default) $(U-Boot/rk3568/Default)
DEPENDS:=+PACKAGE_u-boot-$(1):trusted-firmware-a-rk3568-e25
TPL:=rk3568_ddr_1560MHz_uart2_m0_115200_v1.21.bin
NAME:=E25 NAME:=E25
BUILD_DEVICES:= \ BUILD_DEVICES:= \
radxa_e25 radxa_e25

1
target/linux/rockchip/image/armv8.mk
View file

@ -109,6 +109,7 @@ define Device/radxa_e25
DEVICE_MODEL := E25 DEVICE_MODEL := E25
SOC := rk3568 SOC := rk3568
DEVICE_DTS := rockchip/rk3568-radxa-e25 DEVICE_DTS := rockchip/rk3568-radxa-e25
BOOT_SCRIPT := radxa-e25
UBOOT_DEVICE_NAME := radxa-e25-rk3568 UBOOT_DEVICE_NAME := radxa-e25-rk3568
DEVICE_PACKAGES := kmod-r8169 kmod-ata-ahci-platform DEVICE_PACKAGES := kmod-r8169 kmod-ata-ahci-platform
endef endef

7
target/linux/rockchip/image/radxa-e25.bootscript Normal file
View file

@ -0,0 +1,7 @@
part uuid ${devtype} ${devnum}:2 uuid
setenv bootargs "console=ttyS2,115200 earlycon=uart8250,mmio32,0xfe660000 root=PARTUUID=${uuid} rw rootwait";
load ${devtype} ${devnum}:1 ${kernel_addr_r} kernel.img
bootm ${kernel_addr_r}