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domenico
2025-06-24 12:51:15 +02:00
commit 27c9d80f51
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15
target/linux/airoha/Makefile Normal file
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include $(TOPDIR)/rules.mk
ARCH:=arm
BOARD:=airoha
BOARDNAME:=Airoha ARM
CPU_TYPE:=cortex-a7
FEATURES:=dt squashfs nand ramdisk gpio source-only
KERNEL_PATCHVER:=6.6
include $(INCLUDE_DIR)/target.mk
KERNELNAME:=Image dtbs
$(eval $(call BuildTarget))

303
target/linux/airoha/config-6.6 Normal file
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CONFIG_ALIGNMENT_TRAP=y
CONFIG_ARCH_32BIT_OFF_T=y
CONFIG_ARCH_AIROHA=y
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_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_STACKWALK=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARM=y
CONFIG_ARM_AMBA=y
CONFIG_ARM_ARCH_TIMER=y
CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y
CONFIG_ARM_CPU_SUSPEND=y
CONFIG_ARM_GIC=y
CONFIG_ARM_GIC_V3=y
CONFIG_ARM_GIC_V3_ITS=y
CONFIG_ARM_GIC_V3_ITS_PCI=y
CONFIG_ARM_HAS_GROUP_RELOCS=y
CONFIG_ARM_HEAVY_MB=y
# CONFIG_ARM_HIGHBANK_CPUIDLE is not set
CONFIG_ARM_L1_CACHE_SHIFT=6
CONFIG_ARM_L1_CACHE_SHIFT_6=y
CONFIG_ARM_PATCH_IDIV=y
CONFIG_ARM_PATCH_PHYS_VIRT=y
CONFIG_ARM_PSCI=y
CONFIG_ARM_PSCI_FW=y
# CONFIG_ARM_SMMU is not set
CONFIG_ARM_THUMB=y
CONFIG_ARM_UNWIND=y
CONFIG_ARM_VIRT_EXT=y
CONFIG_ATAGS=y
CONFIG_AUTO_ZRELADDR=y
CONFIG_BINFMT_FLAT_ARGVP_ENVP_ON_STACK=y
CONFIG_BLK_DEV_SD=y
CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_PM=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_CACHE_L2X0=y
CONFIG_CC_HAVE_STACKPROTECTOR_TLS=y
CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough=5"
CONFIG_CC_NO_ARRAY_BOUNDS=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMDLINE="rootfstype=squashfs,jffs2"
CONFIG_CMDLINE_FROM_BOOTLOADER=y
CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_EN7523=y
CONFIG_COMPACT_UNEVICTABLE_DEFAULT=1
CONFIG_COMPAT_32BIT_TIME=y
CONFIG_CONTEXT_TRACKING=y
CONFIG_CONTEXT_TRACKING_IDLE=y
CONFIG_CPU_32v6K=y
CONFIG_CPU_32v7=y
CONFIG_CPU_ABRT_EV7=y
CONFIG_CPU_CACHE_V7=y
CONFIG_CPU_CACHE_VIPT=y
CONFIG_CPU_COPY_V6=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
CONFIG_CPU_HAS_ASID=y
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_CPU_MITIGATIONS=y
CONFIG_CPU_PABRT_V7=y
CONFIG_CPU_PM=y
CONFIG_CPU_RMAP=y
CONFIG_CPU_SPECTRE=y
CONFIG_CPU_THUMB_CAPABLE=y
CONFIG_CPU_TLB_V7=y
CONFIG_CPU_V7=y
CONFIG_CRC16=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_HASH_INFO=y
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
CONFIG_CRYPTO_LIB_GF128MUL=y
CONFIG_CRYPTO_LIB_SHA1=y
CONFIG_CRYPTO_LIB_UTILS=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_ZSTD=y
CONFIG_CURRENT_POINTER_IN_TPIDRURO=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
CONFIG_DEBUG_MISC=y
CONFIG_DMA_OPS=y
CONFIG_DTC=y
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
CONFIG_EXCLUSIVE_SYSTEM_RAM=y
CONFIG_FIXED_PHY=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_FS_IOMAP=y
CONFIG_FUNCTION_ALIGNMENT=0
CONFIG_FWNODE_MDIO=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_FW_LOADER_SYSFS=y
CONFIG_GCC10_NO_ARRAY_BOUNDS=y
CONFIG_GCC_ASM_GOTO_OUTPUT_WORKAROUND=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_ARCH_TOPOLOGY=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_CPU_VULNERABILITIES=y
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_GENERIC_GETTIMEOFDAY=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_GENERIC_IRQ_MULTI_HANDLER=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_PHY=y
CONFIG_GENERIC_PINCONF=y
CONFIG_GENERIC_PINCTRL_GROUPS=y
CONFIG_GENERIC_PINMUX_FUNCTIONS=y
CONFIG_GENERIC_SCHED_CLOCK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_VDSO_32=y
CONFIG_GPIOLIB_IRQCHIP=y
CONFIG_GPIO_CDEV=y
CONFIG_GPIO_EN7523=y
CONFIG_GPIO_GENERIC=y
# CONFIG_HARDEN_BRANCH_HISTORY is not set
# CONFIG_HARDEN_BRANCH_PREDICTOR is not set
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAVE_SMP=y
CONFIG_HOTPLUG_CORE_SYNC=y
CONFIG_HOTPLUG_CORE_SYNC_DEAD=y
CONFIG_HOTPLUG_CPU=y
CONFIG_HW_RANDOM=y
CONFIG_HZ_FIXED=0
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_IOMMUFD is not set
# CONFIG_IOMMU_DEBUGFS is not set
# CONFIG_IOMMU_IO_PGTABLE_ARMV7S is not set
# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set
CONFIG_IOMMU_SUPPORT=y
CONFIG_IRQCHIP=y
CONFIG_IRQSTACKS=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_IRQ_WORK=y
# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set
CONFIG_LIBFDT=y
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_MDIO_BUS=y
CONFIG_MDIO_DEVICE=y
CONFIG_MDIO_DEVRES=y
CONFIG_MFD_SYSCON=y
CONFIG_MIGHT_HAVE_CACHE_L2X0=y
CONFIG_MIGRATION=y
CONFIG_MMU_LAZY_TLB_REFCOUNT=y
CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MTD_NAND_CORE=y
CONFIG_MTD_NAND_ECC=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
CONFIG_MTD_SPI_NAND=y
CONFIG_MTD_SPI_NOR=y
CONFIG_MTD_SPLIT_FIRMWARE=y
CONFIG_MTD_SPLIT_FIT_FW=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20
CONFIG_MTD_UBI_BLOCK=y
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SRCU_NMI_SAFE=y
CONFIG_NET_EGRESS=y
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NET_INGRESS=y
CONFIG_NET_SELFTESTS=y
CONFIG_NET_XGRESS=y
CONFIG_NLS=y
CONFIG_NO_HZ_COMMON=y
CONFIG_NO_HZ_IDLE=y
CONFIG_NR_CPUS=2
CONFIG_NVMEM=y
CONFIG_NVMEM_LAYOUTS=y
CONFIG_NVMEM_SYSFS=y
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_GPIO=y
CONFIG_OF_IRQ=y
CONFIG_OF_KOBJ=y
CONFIG_OF_MDIO=y
CONFIG_OLD_SIGACTION=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_OUTER_CACHE=y
CONFIG_OUTER_CACHE_SYNC=y
CONFIG_PADATA=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_PAGE_POOL=y
CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
CONFIG_PARTITION_PERCPU=y
CONFIG_PCI=y
CONFIG_PCIEAER=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCIE_MEDIATEK=y
CONFIG_PCIE_PME=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
CONFIG_PCI_MSI=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_PHYLIB=y
CONFIG_PHYLIB_LEDS=y
CONFIG_PINCTRL=y
CONFIG_PM=y
CONFIG_PM_CLK=y
CONFIG_PREEMPT_NONE_BUILD=y
CONFIG_PTP_1588_CLOCK_OPTIONAL=y
CONFIG_PWM=y
CONFIG_PWM_SYSFS=y
CONFIG_RANDSTRUCT_NONE=y
CONFIG_RAS=y
CONFIG_RATIONAL=y
CONFIG_REGMAP=y
CONFIG_REGMAP_MMIO=y
CONFIG_RESET_CONTROLLER=y
CONFIG_RFS_ACCEL=y
CONFIG_RPS=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_SCSI=y
CONFIG_SCSI_COMMON=y
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_FSL=y
# CONFIG_SERIAL_8250_SHARE_IRQ is not set
CONFIG_SERIAL_MCTRL_GPIO=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_SGL_ALLOC=y
CONFIG_SG_POOL=y
CONFIG_SMP=y
CONFIG_SMP_ON_UP=y
CONFIG_SOCK_RX_QUEUE_MAPPING=y
CONFIG_SOFTIRQ_ON_OWN_STACK=y
CONFIG_SPARSE_IRQ=y
CONFIG_SPI=y
CONFIG_SPI_AIROHA_EN7523=y
CONFIG_SPI_MASTER=y
CONFIG_SPI_MEM=y
CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y
CONFIG_STACKTRACE=y
# CONFIG_SWAP is not set
CONFIG_SWPHY=y
CONFIG_SWP_EMULATE=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_THREAD_INFO_IN_TASK=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_TREE_RCU=y
CONFIG_TREE_SRCU=y
CONFIG_UBIFS_FS=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_UNWINDER_ARM=y
CONFIG_USB=y
CONFIG_USB_COMMON=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_XHCI_HCD=y
# CONFIG_USB_XHCI_PLATFORM is not set
CONFIG_USE_OF=y
# CONFIG_VFP is not set
CONFIG_WATCHDOG_CORE=y
# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set
CONFIG_XPS=y
CONFIG_XXHASH=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_BCJ=y
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZLIB_DEFLATE=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZSTD_COMMON=y
CONFIG_ZSTD_COMPRESS=y
CONFIG_ZSTD_DECOMPRESS=y

73
target/linux/airoha/dts/en7523-evb.dts Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/dts-v1/;
/* Bootloader installs ATF here */
/memreserve/ 0x80000000 0x200000;
#include "en7523.dtsi"
/ {
model = "Airoha EN7523 Evaluation Board";
compatible = "airoha,en7523-evb", "airoha,en7523";
aliases {
serial0 = &uart1;
};
chosen {
bootargs = "console=ttyS0,115200 earlycon";
stdout-path = "serial0:115200n8";
linux,usable-memory-range = <0x80200000 0x1fe00000>;
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x20000000>;
};
};
&gpio0 {
status = "okay";
};
&gpio1 {
status = "okay";
};
&pcie0 {
status = "okay";
};
&pcie1 {
status = "okay";
};
&nand {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "u-boot";
reg = <0x0 0x7C000>;
read-only;
};
partition@1 {
label = "u-boot-env";
reg = <0x7C000 0x4000>;
};
partition@2 {
label = "art";
reg = <0x80000 0x40000>;
read-only;
};
partition@3 {
label = "firmware";
reg = <0xC0000 0xDF40000>;
};
};
};

219
target/linux/airoha/dts/en7523.dtsi Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/en7523-clk.h>
/ {
interrupt-parent = <&gic>;
#address-cells = <1>;
#size-cells = <1>;
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
npu_binary@84000000 {
no-map;
reg = <0x84000000 0xA00000>;
};
npu_flag@84B0000 {
no-map;
reg = <0x84B00000 0x100000>;
};
npu_pkt@85000000 {
no-map;
reg = <0x85000000 0x1A00000>;
};
npu_phyaddr@86B00000 {
no-map;
reg = <0x86B00000 0x100000>;
};
npu_rxdesc@86D00000 {
no-map;
reg = <0x86D00000 0x100000>;
};
};
psci {
compatible = "arm,psci-0.2";
method = "smc";
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu-map {
cluster0 {
core0 {
cpu = <&cpu0>;
};
core1 {
cpu = <&cpu1>;
};
};
};
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a53";
reg = <0x0>;
enable-method = "psci";
clock-frequency = <80000000>;
next-level-cache = <&L2_0>;
};
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a53";
reg = <0x1>;
enable-method = "psci";
clock-frequency = <80000000>;
next-level-cache = <&L2_0>;
};
L2_0: l2-cache0 {
compatible = "cache";
};
};
scu: system-controller@1fa20000 {
compatible = "airoha,en7523-scu";
reg = <0x1fa20000 0x400>,
<0x1fb00000 0x1000>;
#clock-cells = <1>;
};
gic: interrupt-controller@9000000 {
compatible = "arm,gic-v3";
interrupt-controller;
#interrupt-cells = <3>;
#address-cells = <1>;
#size-cells = <1>;
reg = <0x09000000 0x20000>,
<0x09080000 0x80000>,
<0x09400000 0x2000>,
<0x09500000 0x2000>,
<0x09600000 0x20000>;
interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
};
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
<GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
<GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
<GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
};
uart1: serial@1fbf0000 {
compatible = "ns16550";
reg = <0x1fbf0000 0x30>;
reg-io-width = <4>;
reg-shift = <2>;
interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <1843200>;
status = "okay";
};
gpio0: gpio@1fbf0200 {
compatible = "airoha,en7523-gpio";
reg = <0x1fbf0204 0x4>,
<0x1fbf0200 0x4>,
<0x1fbf0220 0x4>,
<0x1fbf0214 0x4>;
gpio-controller;
#gpio-cells = <2>;
};
gpio1: gpio@1fbf0270 {
compatible = "airoha,en7523-gpio";
reg = <0x1fbf0270 0x4>,
<0x1fbf0260 0x4>,
<0x1fbf0264 0x4>,
<0x1fbf0278 0x4>;
gpio-controller;
#gpio-cells = <2>;
};
pcie0: pcie@1fa91000 {
compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie";
device_type = "pci";
reg = <0x1fa91000 0x1000>;
reg-names = "port0";
linux,pci-domain = <0>;
#address-cells = <3>;
#size-cells = <2>;
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "pcie_irq";
clocks = <&scu EN7523_CLK_PCIE>;
clock-names = "sys_ck0";
bus-range = <0x00 0xff>;
ranges = <0x82000000 0 0x20000000 0x20000000 0 0x2000000>;
status = "disabled";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 7>;
interrupt-map = <0 0 0 1 &pcie_intc0 0>,
<0 0 0 2 &pcie_intc0 1>,
<0 0 0 3 &pcie_intc0 2>,
<0 0 0 4 &pcie_intc0 3>;
pcie_intc0: interrupt-controller {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <1>;
};
};
pcie1: pcie@1fa92000 {
compatible = "airoha,en7523-pcie", "mediatek,mt7622-pcie";
device_type = "pci";
reg = <0x1fa92000 0x1000>;
reg-names = "port1";
linux,pci-domain = <1>;
#address-cells = <3>;
#size-cells = <2>;
interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "pcie_irq";
clocks = <&scu EN7523_CLK_PCIE>;
clock-names = "sys_ck1";
bus-range = <0x00 0xff>;
ranges = <0x82000000 0 0x22000000 0x22000000 0 0x2000000>;
status = "disabled";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 7>;
interrupt-map = <0 0 0 1 &pcie_intc1 0>,
<0 0 0 2 &pcie_intc1 1>,
<0 0 0 3 &pcie_intc1 2>,
<0 0 0 4 &pcie_intc1 3>;
pcie_intc1: interrupt-controller {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <1>;
};
};
spi_ctrl: spi_controller@1fa10000 {
compatible = "airoha,en7523-spi";
reg = <0x1fa10000 0x140>;
#address-cells = <1>;
#size-cells = <0>;
spi-rx-bus-width = <2>;
spi-tx-bus-width = <2>;
nand: nand@0 {
compatible = "spi-nand";
reg = <0>;
nand-ecc-engine = <&nand>;
};
};
};

1
target/linux/airoha/generic/target.mk Normal file
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BOARDNAME:=Generic

37
target/linux/airoha/image/Makefile Normal file
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include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
KERNEL_LOADADDR := 0x80208000
define Target/Description
Build firmware images for Airoha EN7523 ARM based boards.
endef
# default all platform image(fit) build
define Device/Default
PROFILES = Default $$(DEVICE_NAME)
KERNEL_NAME := Image
KERNEL = kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
KERNEL_INITRAMFS = kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd
FILESYSTEMS := squashfs
DEVICE_DTS_DIR := $(DTS_DIR)
IMAGES := sysupgrade.bin
IMAGE/sysupgrade.bin := append-kernel | pad-to 128k | append-rootfs | \
pad-rootfs | append-metadata
endef
define Image/Build
$(call Image/Build/$(1),$(1))
endef
define Device/airoha_en7523-evb
DEVICE_VENDOR := Airoha
DEVICE_MODEL := EN7523 Evaluation Board
DEVICE_DTS := en7523-evb
DEVICE_DTS_DIR := ../dts
endef
TARGET_DEVICES += airoha_en7523-evb
$(eval $(call BuildImage))

0
target/linux/airoha/image/en7523.mk Normal file
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341
target/linux/airoha/patches-6.6/0005-spi-Add-support-for-the-Airoha-EN7523-SoC-SPI-contro.patch Normal file
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@@ -0,0 +1,341 @@
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -353,6 +353,12 @@ config SPI_DLN2
This driver can also be built as a module. If so, the module
will be called spi-dln2.
+config SPI_AIROHA_EN7523
+ bool "Airoha EN7523 SPI controller support"
+ depends on ARCH_AIROHA
+ help
+ This enables SPI controller support for the Airoha EN7523 SoC.
+
config SPI_EP93XX
tristate "Cirrus Logic EP93xx SPI controller"
depends on ARCH_EP93XX || COMPILE_TEST
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -50,6 +50,7 @@ obj-$(CONFIG_SPI_DW_BT1) += spi-dw-bt1.
obj-$(CONFIG_SPI_DW_MMIO) += spi-dw-mmio.o
obj-$(CONFIG_SPI_DW_PCI) += spi-dw-pci.o
obj-$(CONFIG_SPI_EP93XX) += spi-ep93xx.o
+obj-$(CONFIG_SPI_AIROHA_EN7523) += spi-en7523.o
obj-$(CONFIG_SPI_FALCON) += spi-falcon.o
obj-$(CONFIG_SPI_FSI) += spi-fsi.o
obj-$(CONFIG_SPI_FSL_CPM) += spi-fsl-cpm.o
--- /dev/null
+++ b/drivers/spi/spi-en7523.c
@@ -0,0 +1,313 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/spi/spi.h>
+
+
+#define ENSPI_READ_IDLE_EN 0x0004
+#define ENSPI_MTX_MODE_TOG 0x0014
+#define ENSPI_RDCTL_FSM 0x0018
+#define ENSPI_MANUAL_EN 0x0020
+#define ENSPI_MANUAL_OPFIFO_EMPTY 0x0024
+#define ENSPI_MANUAL_OPFIFO_WDATA 0x0028
+#define ENSPI_MANUAL_OPFIFO_FULL 0x002C
+#define ENSPI_MANUAL_OPFIFO_WR 0x0030
+#define ENSPI_MANUAL_DFIFO_FULL 0x0034
+#define ENSPI_MANUAL_DFIFO_WDATA 0x0038
+#define ENSPI_MANUAL_DFIFO_EMPTY 0x003C
+#define ENSPI_MANUAL_DFIFO_RD 0x0040
+#define ENSPI_MANUAL_DFIFO_RDATA 0x0044
+#define ENSPI_IER 0x0090
+#define ENSPI_NFI2SPI_EN 0x0130
+
+// TODO not in spi block
+#define ENSPI_CLOCK_DIVIDER ((void __iomem *)0x1fa201c4)
+
+#define OP_CSH 0x00
+#define OP_CSL 0x01
+#define OP_CK 0x02
+#define OP_OUTS 0x08
+#define OP_OUTD 0x09
+#define OP_OUTQ 0x0A
+#define OP_INS 0x0C
+#define OP_INS0 0x0D
+#define OP_IND 0x0E
+#define OP_INQ 0x0F
+#define OP_OS2IS 0x10
+#define OP_OS2ID 0x11
+#define OP_OS2IQ 0x12
+#define OP_OD2IS 0x13
+#define OP_OD2ID 0x14
+#define OP_OD2IQ 0x15
+#define OP_OQ2IS 0x16
+#define OP_OQ2ID 0x17
+#define OP_OQ2IQ 0x18
+#define OP_OSNIS 0x19
+#define OP_ODNID 0x1A
+
+#define MATRIX_MODE_AUTO 1
+#define CONF_MTX_MODE_AUTO 0
+#define MANUALEN_AUTO 0
+#define MATRIX_MODE_MANUAL 0
+#define CONF_MTX_MODE_MANUAL 9
+#define MANUALEN_MANUAL 1
+
+#define _ENSPI_MAX_XFER 0x1ff
+
+#define REG(x) (iobase + x)
+
+
+static void __iomem *iobase;
+
+
+static void opfifo_write(u32 cmd, u32 len)
+{
+ u32 tmp = ((cmd & 0x1f) << 9) | (len & 0x1ff);
+
+ writel(tmp, REG(ENSPI_MANUAL_OPFIFO_WDATA));
+
+ /* Wait for room in OPFIFO */
+ while (readl(REG(ENSPI_MANUAL_OPFIFO_FULL)))
+ ;
+
+ /* Shift command into OPFIFO */
+ writel(1, REG(ENSPI_MANUAL_OPFIFO_WR));
+
+ /* Wait for command to finish */
+ while (!readl(REG(ENSPI_MANUAL_OPFIFO_EMPTY)))
+ ;
+}
+
+static void set_cs(int state)
+{
+ if (state)
+ opfifo_write(OP_CSH, 1);
+ else
+ opfifo_write(OP_CSL, 1);
+}
+
+static void manual_begin_cmd(void)
+{
+ /* Disable read idle state */
+ writel(0, REG(ENSPI_READ_IDLE_EN));
+
+ /* Wait for FSM to reach idle state */
+ while (readl(REG(ENSPI_RDCTL_FSM)))
+ ;
+
+ /* Set SPI core to manual mode */
+ writel(CONF_MTX_MODE_MANUAL, REG(ENSPI_MTX_MODE_TOG));
+ writel(MANUALEN_MANUAL, REG(ENSPI_MANUAL_EN));
+}
+
+static void manual_end_cmd(void)
+{
+ /* Set SPI core to auto mode */
+ writel(CONF_MTX_MODE_AUTO, REG(ENSPI_MTX_MODE_TOG));
+ writel(MANUALEN_AUTO, REG(ENSPI_MANUAL_EN));
+
+ /* Enable read idle state */
+ writel(1, REG(ENSPI_READ_IDLE_EN));
+}
+
+static void dfifo_read(u8 *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ /* Wait for requested data to show up in DFIFO */
+ while (readl(REG(ENSPI_MANUAL_DFIFO_EMPTY)))
+ ;
+ buf[i] = readl(REG(ENSPI_MANUAL_DFIFO_RDATA));
+ /* Queue up next byte */
+ writel(1, REG(ENSPI_MANUAL_DFIFO_RD));
+ }
+}
+
+static void dfifo_write(const u8 *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ /* Wait for room in DFIFO */
+ while (readl(REG(ENSPI_MANUAL_DFIFO_FULL)))
+ ;
+ writel(buf[i], REG(ENSPI_MANUAL_DFIFO_WDATA));
+ }
+}
+
+#if 0
+static void set_spi_clock_speed(int freq_mhz)
+{
+ u32 tmp, val;
+
+ tmp = readl(ENSPI_CLOCK_DIVIDER);
+ tmp &= 0xffff0000;
+ writel(tmp, ENSPI_CLOCK_DIVIDER);
+
+ val = (400 / (freq_mhz * 2));
+ tmp |= (val << 8) | 1;
+ writel(tmp, ENSPI_CLOCK_DIVIDER);
+}
+#endif
+
+static void init_hw(void)
+{
+ /* Disable manual/auto mode clash interrupt */
+ writel(0, REG(ENSPI_IER));
+
+ // TODO via clk framework
+ // set_spi_clock_speed(50);
+
+ /* Disable DMA */
+ writel(0, REG(ENSPI_NFI2SPI_EN));
+}
+
+static int xfer_read(struct spi_transfer *xfer)
+{
+ int opcode;
+ uint8_t *buf = xfer->rx_buf;
+
+ switch (xfer->rx_nbits) {
+ case SPI_NBITS_SINGLE:
+ opcode = OP_INS;
+ break;
+ case SPI_NBITS_DUAL:
+ opcode = OP_IND;
+ break;
+ case SPI_NBITS_QUAD:
+ opcode = OP_INQ;
+ break;
+ }
+
+ opfifo_write(opcode, xfer->len);
+ dfifo_read(buf, xfer->len);
+
+ return xfer->len;
+}
+
+static int xfer_write(struct spi_transfer *xfer, int next_xfer_is_rx)
+{
+ int opcode;
+ const uint8_t *buf = xfer->tx_buf;
+
+ if (next_xfer_is_rx) {
+ /* need to use Ox2Ix opcode to set the core to input afterwards */
+ switch (xfer->tx_nbits) {
+ case SPI_NBITS_SINGLE:
+ opcode = OP_OS2IS;
+ break;
+ case SPI_NBITS_DUAL:
+ opcode = OP_OS2ID;
+ break;
+ case SPI_NBITS_QUAD:
+ opcode = OP_OS2IQ;
+ break;
+ }
+ } else {
+ switch (xfer->tx_nbits) {
+ case SPI_NBITS_SINGLE:
+ opcode = OP_OUTS;
+ break;
+ case SPI_NBITS_DUAL:
+ opcode = OP_OUTD;
+ break;
+ case SPI_NBITS_QUAD:
+ opcode = OP_OUTQ;
+ break;
+ }
+ }
+
+ opfifo_write(opcode, xfer->len);
+ dfifo_write(buf, xfer->len);
+
+ return xfer->len;
+}
+
+size_t max_transfer_size(struct spi_device *spi)
+{
+ return _ENSPI_MAX_XFER;
+}
+
+int transfer_one_message(struct spi_controller *ctrl, struct spi_message *msg)
+{
+ struct spi_transfer *xfer;
+ int next_xfer_is_rx = 0;
+
+ manual_begin_cmd();
+ set_cs(0);
+ list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+ if (xfer->tx_buf) {
+ if (!list_is_last(&xfer->transfer_list, &msg->transfers)
+ && list_next_entry(xfer, transfer_list)->rx_buf != NULL)
+ next_xfer_is_rx = 1;
+ else
+ next_xfer_is_rx = 0;
+ msg->actual_length += xfer_write(xfer, next_xfer_is_rx);
+ } else if (xfer->rx_buf) {
+ msg->actual_length += xfer_read(xfer);
+ }
+ }
+ set_cs(1);
+ manual_end_cmd();
+
+ msg->status = 0;
+ spi_finalize_current_message(ctrl);
+
+ return 0;
+}
+
+static int spi_probe(struct platform_device *pdev)
+{
+ struct spi_controller *ctrl;
+ int err;
+
+ ctrl = devm_spi_alloc_master(&pdev->dev, 0);
+ if (!ctrl) {
+ dev_err(&pdev->dev, "Error allocating SPI controller\n");
+ return -ENOMEM;
+ }
+
+ iobase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
+ if (IS_ERR(iobase)) {
+ dev_err(&pdev->dev, "Could not map SPI register address");
+ return -ENOMEM;
+ }
+
+ init_hw();
+
+ ctrl->dev.of_node = pdev->dev.of_node;
+ ctrl->flags = SPI_CONTROLLER_HALF_DUPLEX;
+ ctrl->mode_bits = SPI_RX_DUAL | SPI_TX_DUAL;
+ ctrl->max_transfer_size = max_transfer_size;
+ ctrl->transfer_one_message = transfer_one_message;
+ err = devm_spi_register_controller(&pdev->dev, ctrl);
+ if (err) {
+ dev_err(&pdev->dev, "Could not register SPI controller\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id spi_of_ids[] = {
+ { .compatible = "airoha,en7523-spi" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, spi_of_ids);
+
+static struct platform_driver spi_driver = {
+ .probe = spi_probe,
+ .driver = {
+ .name = "airoha-en7523-spi",
+ .of_match_table = spi_of_ids,
+ },
+};
+
+module_platform_driver(spi_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Bert Vermeulen <bert@biot.com>");
+MODULE_DESCRIPTION("Airoha EN7523 SPI driver");