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sunxi: add F1C100 (arm926ej-s) support

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This is Allwinner's ARM926EJ-S core, which is one of its early
products, reappearing in recent compact designs. The SoC includes
32/64Mb memory in the same physical package, and has display and USB
interfaces, allowing for very small footprint boards.

The target consists of basic 6.12 support, with u-boot. Instead of creating
a separate suniv target, as both the kernel and u-boot supports enough of
this SoC by now with minimal patching, add it into sunxi as a subtarget.

Link: https://github.com/openwrt/openwrt/pull/15022
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
This commit is contained in:
Zoltan HERPAI 2025-05-30 21:30:38 +00:00
parent 09ae2daa7c
commit 3ec468ff4f
13 changed files with 342 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
package/boot/uboot-sunxi/Makefile
View File

@ -140,6 +140,13 @@ define U-Boot/OLIMEX_A13_SOM
BUILD_DEVICES:=olimex_a13-olimex-som
endef
define U-Boot/licheepi_nano
BUILD_SUBTARGET:=arm926ejs
NAME:=LicheePi Nano
UENV:=f1c
BUILD_DEVICES:=licheepi-nano
endef
define U-Boot/Linksprite_pcDuino
BUILD_SUBTARGET:=cortexa8
NAME:=Linksprite pcDuino
@ -257,6 +264,13 @@ define U-Boot/pangolin
UENV:=pangolin
endef
define U-Boot/popstick
BUILD_SUBTARGET:=arm926ejs
NAME:=PopStick
UENV:=f1c
BUILD_DEVICES:=popstick-v1.1
endef
define U-Boot/libretech_all_h3_cc_h5
BUILD_SUBTARGET:=cortexa53
NAME:=Libre Computer ALL-H3-CC H5
@ -323,7 +337,6 @@ define U-Boot/sopine_baseboard
ATF:=a64
endef
define U-Boot/orangepi_zero_plus
BUILD_SUBTARGET:=cortexa53
NAME:=Xunlong Orange Pi Zero Plus
@ -411,6 +424,7 @@ UBOOT_TARGETS := \
Marsboard_A10 \
Mele_M9 \
OLIMEX_A13_SOM \
licheepi_nano \
LicheePi_Zero \
Linksprite_pcDuino \
Linksprite_pcDuino3 \
@ -437,6 +451,7 @@ UBOOT_TARGETS := \
orangepi_zero2w \
orangepi_zero3 \
pangolin \
popstick \
pine64_plus \
Sinovoip_BPI_M3 \
sopine_baseboard \

120
package/boot/uboot-sunxi/patches/260-sunxi-add-USB-support-and-PopStick-support.patch Normal file
View File

@ -0,0 +1,120 @@
From 08d194d881e10e09cba7551da8079734d89ed16d Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <uwu@icenowy.me>
Date: Thu, 16 Jun 2022 00:28:41 +0800
Subject: [PATCH 1/2] add USB support and PopStick support
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
---
arch/arm/dts/Makefile | 3 +-
arch/arm/dts/suniv-f1c100s-licheepi-nano.dts | 16 ++++
arch/arm/dts/suniv-f1c100s.dtsi | 26 ++++++
arch/arm/dts/suniv-f1c200s-popstick.dts | 89 ++++++++++++++++++++
drivers/phy/allwinner/phy-sun4i-usb.c | 14 +++
drivers/usb/musb-new/sunxi.c | 6 ++
6 files changed, 153 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/dts/suniv-f1c200s-popstick.dts
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -647,7 +647,8 @@ dtb-$(CONFIG_STM32H7) += stm32h743i-disc
stm32h750i-art-pi.dtb
dtb-$(CONFIG_MACH_SUNIV) += \
- suniv-f1c100s-licheepi-nano.dtb
+ suniv-f1c100s-licheepi-nano.dtb \
+ suniv-f1c200s-popstick.dtb
dtb-$(CONFIG_MACH_SUN4I) += \
sun4i-a10-a1000.dtb \
sun4i-a10-ba10-tvbox.dtb \
--- /dev/null
+++ b/arch/arm/dts/suniv-f1c200s-popstick.dts
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 Icenowy Zheng <uwu@icenowy.me>
+ */
+
+/dts-v1/;
+#include "suniv-f1c100s.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ model = "Popcorn Computer PopStick";
+ compatible = "sourceparts,popstick", "allwinner,suniv-f1c200s",
+ "allwinner,suniv-f1c100s";
+
+ aliases {
+ mmc0 = &mmc0;
+ serial0 = &uart0;
+ spi0 = &spi0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ reg_vcc3v3: vcc3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+};
+
+&mmc0 {
+ broken-cd;
+ bus-width = <4>;
+ disable-wp;
+ status = "okay";
+ vmmc-supply = <&reg_vcc3v3>;
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pc_pins>;
+ status = "okay";
+
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spi-nand";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "u-boot-with-spl";
+ reg = <0x0 0x100000>;
+ };
+
+ ubi@100000 {
+ label = "ubi";
+ reg = <0x100000 0x7f00000>;
+ };
+ };
+ };
+};
+
+&otg_sram {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pe_pins>;
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "peripheral";
+ status = "okay";
+};
+
+&usbphy {
+ status = "okay";
+};

51
package/boot/uboot-sunxi/patches/261-sunxi-add-popstick-defconfig.patch Normal file
View File

@ -0,0 +1,51 @@
From 0d263e1071ee3f63d2047a8bb9af4434f1cd4bb1 Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <uwu@icenowy.me>
Date: Thu, 16 Jun 2022 09:46:42 +0800
Subject: [PATCH 2/2] HACK for UBI env and add defconfig
---
board/sunxi/board.c | 1 +
configs/popstick_defconfig | 37 +++++++++++++++++++++++++++++++++++++
2 files changed, 38 insertions(+)
create mode 100644 configs/popstick_defconfig
--- /dev/null
+++ b/configs/popstick_defconfig
@@ -0,0 +1,37 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT_ONLY=y
+CONFIG_SPL_SKIP_LOWLEVEL_INIT_ONLY=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_ENV_SIZE=0x1f000
+CONFIG_DEFAULT_DEVICE_TREE="suniv-f1c200s-popstick"
+CONFIG_SPL=y
+CONFIG_MACH_SUNIV=y
+CONFIG_DRAM_CLK=156
+CONFIG_DRAM_ZQ=0
+# CONFIG_VIDEO_SUNXI is not set
+CONFIG_SPL_SPI_SUNXI=y
+CONFIG_SPL_SPI_SUNXI_NAND=y
+CONFIG_SPL_SPI_SUNXI_NAND_ASSUMED_PAGESIZE=0x800
+# CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x20000
+CONFIG_CMD_MTD=y
+# CONFIG_CMD_SF is not set
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_UBI=y
+# CONFIG_ENV_IS_IN_FAT is not set
+# CONFIG_ENV_IS_IN_SPI_FLASH is not set
+CONFIG_ENV_IS_IN_UBI=y
+CONFIG_ENV_UBI_PART="ubi"
+CONFIG_ENV_UBI_VOLUME="env"
+# CONFIG_NET is not set
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_MTD_SPI_NAND=y
+# CONFIG_SPI_FLASH is not set
+CONFIG_SF_DEFAULT_SPEED=25000000
+# CONFIG_UBI_SILENCE_MSG is not set
+CONFIG_PHY_SUN4I_USB=y
+CONFIG_SPI=y
+CONFIG_USB_MUSB_GADGET=y
+CONFIG_USB_FUNCTION_SDP=y
+# CONFIG_UBIFS_SILENCE_MSG is not set

6
package/boot/uboot-sunxi/uEnv-f1c.txt Normal file
View File

@ -0,0 +1,6 @@
setenv mmc_rootpart 2
part uuid mmc ${mmc_bootdev}:${mmc_rootpart} uuid
setenv loadkernel fatload mmc \$mmc_bootdev \$ramdisk_addr_r uImage
setenv bootargs console=ttyS0,115200 earlyprintk root=PARTUUID=${uuid} rootwait
setenv uenvcmd run loadkernel \&\& bootm \$ramdisk_addr_r
run uenvcmd

2
target/linux/sunxi/Makefile
View File

@ -8,7 +8,7 @@ ARCH:=arm
BOARD:=sunxi
BOARDNAME:=Allwinner ARM SoCs
FEATURES:=ext4 display ramdisk rootfs-part rtc squashfs usb usbgadget
SUBTARGETS:=cortexa8 cortexa7 cortexa53
SUBTARGETS:=cortexa8 cortexa7 cortexa53 arm926ejs
KERNEL_PATCHVER:=6.12

56
target/linux/sunxi/arm926ejs/config-6.12 Normal file
View File

@ -0,0 +1,56 @@
# CONFIG_ARCH_MULTI_V4 is not set
# CONFIG_ARCH_MULTI_V4T is not set
CONFIG_ARCH_MULTI_V4_V5=y
CONFIG_ARCH_MULTI_V5=y
CONFIG_ARCH_MULTIPLATFORM=y
CONFIG_ARCH_MULTI_CPU_AUTO=y
CONFIG_ARCH_NR_GPIO=416
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SUNXI=y
CONFIG_ARCH_32BIT_OFF_T=y
CONFIG_ARCH_HAS_BINFMT_FLAT=y
CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS=y
CONFIG_BINFMT_FLAT_ARGVP_ENVP_ON_STACK=y
CONFIG_COMPAT_32BIT_TIME=y
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
CONFIG_MACH_SUNIV=y
# CONFIG_MACH_SUN4I is not set
# CONFIG_MACH_SUN5I is not set
# CONFIG_MACH_SUN6I is not set
# CONFIG_MACH_SUN7I is not set
# CONFIG_MACH_SUN8I is not set
# CONFIG_MACH_SUN9I is not set
CONFIG_MDIO_BUS_MUX=y
CONFIG_MTD_SPI_NAND=y
CONFIG_MUSB_PIO_ONLY=y
CONFIG_NOP_USB_XCEIV=y
# CONFIG_PHY_SUN9I_USB is not set
# CONFIG_PINCTRL_SUN4I_A10 is not set
# CONFIG_PINCTRL_SUN50I_A64 is not set
# CONFIG_PINCTRL_SUN50I_A64_R is not set
# CONFIG_PINCTRL_SUN50I_H5 is not set
# CONFIG_PINCTRL_SUN50I_H6 is not set
# CONFIG_PINCTRL_SUN50I_H6_R is not set
# CONFIG_PINCTRL_SUN5I is not set
# CONFIG_PINCTRL_SUN6I_A31 is not set
# CONFIG_PINCTRL_SUN6I_A31_R is not set
# CONFIG_PINCTRL_SUN8I_A23 is not set
# CONFIG_PINCTRL_SUN8I_A23_R is not set
# CONFIG_PINCTRL_SUN8I_A33 is not set
# CONFIG_PINCTRL_SUN8I_A83T is not set
# CONFIG_PINCTRL_SUN8I_A83T_R is not set
# CONFIG_PINCTRL_SUN8I_H3 is not set
# CONFIG_PINCTRL_SUN8I_H3_R is not set
# CONFIG_PINCTRL_SUN8I_V3S is not set
# CONFIG_PINCTRL_SUN9I_A80 is not set
# CONFIG_PINCTRL_SUN9I_A80_R is not set
CONFIG_PINCTRL_SUNIV_F1C100S=y
CONFIG_PINCTRL_SUNXI=y
CONFIG_SUNIV_F1C100S_CCU=y
CONFIG_UNWINDER_ARM=y
CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_MUSB_DUAL_ROLE=y
CONFIG_USB_MUSB_SUNXI=y

11
target/linux/sunxi/arm926ejs/target.mk Normal file
View File

@ -0,0 +1,11 @@
#
# Copyright (C) 2024 Zoltan HERPAI
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
BOARDNAME:=Allwinner F1C100/200s
CPU_TYPE:=arm926ej-s

2
target/linux/sunxi/config-6.12
View File

@ -7,8 +7,6 @@ CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_KEEP_MEMBLOCK=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MULTIPLATFORM=y
CONFIG_ARCH_MULTI_V6_V7=y
CONFIG_ARCH_MULTI_V7=y
CONFIG_ARCH_NR_GPIO=416
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT=y

2
target/linux/sunxi/cortexa7/config-6.12
View File

@ -1,3 +1,5 @@
CONFIG_ARCH_MULTI_V6_V7=y
CONFIG_ARCH_MULTI_V7=y
CONFIG_B53=y
CONFIG_B53_MDIO_DRIVER=y
CONFIG_CRYPTO_BLAKE2S_ARM=y

2
target/linux/sunxi/cortexa8/config-6.12
View File

@ -1,3 +1,5 @@
CONFIG_ARCH_MULTI_V6_V7=y
CONFIG_ARCH_MULTI_V7=y
# CONFIG_ARM_LPAE is not set
CONFIG_CRYPTO_BLAKE2S_ARM=y
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y

26
target/linux/sunxi/image/arm926ejs.mk Normal file
View File

@ -0,0 +1,26 @@
#
# Copyright (C) 2013-2024 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
KERNEL_LOADADDR=0x81000000
define Device/licheepi-nano
$(call Device/FitImageGzip)
DEVICE_VENDOR := LicheePi
DEVICE_MODEL := Nano
DEVICE_PACKAGES := kmod-rtc-sunxi
SOC := suniv-f1c100s
endef
TARGET_DEVICES += licheepi-nano
define Device/popstick-v1.1
$(call Device/FitImageGzip)
DEVICE_VENDOR := PopStick
DEVICE_MODEL := v1.1
DEVICE_PACKAGES := kmod-rtc-sunxi
SOC := suniv-f1c200s
endef
TARGET_DEVICES += popstick-v1.1

33
target/linux/sunxi/patches-6.12/460-f1c100s-sram-driver.patch Normal file
View File

@ -0,0 +1,33 @@
Allwinner ARMv5 F1C100s has similar sram controller to sun4i A10
Add compatible strings for it.
Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
---
drivers/soc/sunxi/sunxi_sram.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/soc/sunxi/sunxi_sram.c
+++ b/drivers/soc/sunxi/sunxi_sram.c
@@ -98,6 +98,10 @@ static const struct of_device_id sunxi_s
.compatible = "allwinner,sun50i-a64-sram-c",
.data = &sun50i_a64_sram_c.data,
},
+ {
+ .compatible = "allwinner,suniv-f1c100s-sram-d",
+ .data = &sun4i_a10_sram_d.data,
+ },
{}
};
@@ -430,6 +434,10 @@ static const struct of_device_id sunxi_s
.compatible = "allwinner,sun50i-h616-system-control",
.data = &sun50i_h616_sramc_variant,
},
+ {
+ .compatible = "allwinner,suniv-f1c100s-system-control",
+ .data = &sun4i_a10_sramc_variant,
+ },
{ },
};
MODULE_DEVICE_TABLE(of, sunxi_sram_dt_match);

18
target/linux/sunxi/patches-6.12/461-f1c100s-watchdog-compat.patch Normal file
View File

@ -0,0 +1,18 @@
Allwinner ARMv5 F1C100s has similar watchdog timer to sun6i A31.
Add compatible string for it.
Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
---
drivers/watchdog/sunxi_wdt.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/watchdog/sunxi_wdt.c
+++ b/drivers/watchdog/sunxi_wdt.c
@@ -240,6 +240,7 @@ static const struct of_device_id sunxi_w
{ .compatible = "allwinner,sun4i-a10-wdt", .data = &sun4i_wdt_reg },
{ .compatible = "allwinner,sun6i-a31-wdt", .data = &sun6i_wdt_reg },
{ .compatible = "allwinner,sun20i-d1-wdt", .data = &sun20i_wdt_reg },
+ { .compatible = "allwinner,suniv-f1c100s-wdt", .data = &sun6i_wdt_reg },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sunxi_wdt_dt_ids);