diff options
Diffstat (limited to 'target/linux/airoha')
17 files changed, 1730 insertions, 0 deletions
diff --git a/target/linux/airoha/Makefile b/target/linux/airoha/Makefile new file mode 100644 index 0000000000..723bec8cd4 --- /dev/null +++ b/target/linux/airoha/Makefile @@ -0,0 +1,15 @@ +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:=5.15 + +include $(INCLUDE_DIR)/target.mk + +KERNELNAME:=Image dtbs + +$(eval $(call BuildTarget)) diff --git a/target/linux/airoha/config-5.15 b/target/linux/airoha/config-5.15 new file mode 100644 index 0000000000..0fbf8a4995 --- /dev/null +++ b/target/linux/airoha/config-5.15 @@ -0,0 +1,271 @@ +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_NR_GPIO=0 +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_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_SG_CHAIN=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_OPTIMIZE_FOR_PERFORMANCE is not set +CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=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_COMPAT_32BIT_TIME=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_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_LZO=y +CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_ZSTD=y +CONFIG_DCACHE_WORD_ACCESS=y +CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" +CONFIG_DEBUG_MISC=y +CONFIG_DMA_OPS=y +CONFIG_DMA_REMAP=y +CONFIG_DTC=y +CONFIG_EDAC_ATOMIC_SCRUB=y +CONFIG_EDAC_SUPPORT=y +CONFIG_FIXED_PHY=y +CONFIG_FIX_EARLYCON_MEM=y +CONFIG_FWNODE_MDIO=y +CONFIG_FW_LOADER_PAGED_BUF=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_MSI_IRQ_DOMAIN=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=y +CONFIG_GPIOLIB_IRQCHIP=y +CONFIG_GPIO_CDEV=y +CONFIG_GPIO_EN7523=y +CONFIG_GPIO_GENERIC=y +CONFIG_HANDLE_DOMAIN_IRQ=y +CONFIG_HARDENED_USERCOPY=y +CONFIG_HARDEN_BRANCH_PREDICTOR=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT_MAP=y +CONFIG_HAVE_SMP=y +CONFIG_HOTPLUG_CPU=y +CONFIG_HW_RANDOM=y +CONFIG_HZ_FIXED=0 +CONFIG_INITRAMFS_SOURCE="" +# 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_IO_URING=y +CONFIG_IRQCHIP=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_MEMFD_CREATE=y +CONFIG_MFD_SYSCON=y +CONFIG_MIGHT_HAVE_CACHE_L2X0=y +CONFIG_MIGRATION=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_NLS=y +CONFIG_NO_HZ_COMMON=y +CONFIG_NO_HZ_IDLE=y +CONFIG_NR_CPUS=2 +CONFIG_NVMEM=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_OUTER_CACHE=y +CONFIG_OUTER_CACHE_SYNC=y +CONFIG_PADATA=y +CONFIG_PAGE_OFFSET=0xC0000000 +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_PCI_MSI_IRQ_DOMAIN=y +CONFIG_PERF_USE_VMALLOC=y +CONFIG_PGTABLE_LEVELS=2 +CONFIG_PHYLIB=y +CONFIG_PINCTRL=y +CONFIG_PM=y +CONFIG_PM_CLK=y +CONFIG_PTP_1588_CLOCK_OPTIONAL=y +CONFIG_PWM=y +CONFIG_PWM_SYSFS=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_SPARSE_IRQ=y +CONFIG_SPI=y +CONFIG_SPI_AIROHA_EN7523=y +CONFIG_SPI_MASTER=y +CONFIG_SPI_MEM=y +CONFIG_SRCU=y +CONFIG_STACKTRACE=y +# CONFIG_SWAP is not set +CONFIG_SWCONFIG=y +CONFIG_SWPHY=y +CONFIG_SWP_EMULATE=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=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_COMPRESS=y +CONFIG_ZSTD_DECOMPRESS=y diff --git a/target/linux/airoha/dts/en7523-evb.dts b/target/linux/airoha/dts/en7523-evb.dts new file mode 100644 index 0000000000..f311c840e0 --- /dev/null +++ b/target/linux/airoha/dts/en7523-evb.dts @@ -0,0 +1,73 @@ +// 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>; + }; + }; +}; diff --git a/target/linux/airoha/dts/en7523.dtsi b/target/linux/airoha/dts/en7523.dtsi new file mode 100644 index 0000000000..72478b225c --- /dev/null +++ b/target/linux/airoha/dts/en7523.dtsi @@ -0,0 +1,219 @@ +// 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 0x8000000>; + 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 0x28000000 0x28000000 0 0x8000000>; + 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>; + }; + }; +}; diff --git a/target/linux/airoha/files/arch/arm/mach-airoha/Makefile b/target/linux/airoha/files/arch/arm/mach-airoha/Makefile new file mode 100644 index 0000000000..a5857d0d02 --- /dev/null +++ b/target/linux/airoha/files/arch/arm/mach-airoha/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-y += airoha.o diff --git a/target/linux/airoha/files/arch/arm/mach-airoha/airoha.c b/target/linux/airoha/files/arch/arm/mach-airoha/airoha.c new file mode 100644 index 0000000000..ea23b5abb4 --- /dev/null +++ b/target/linux/airoha/files/arch/arm/mach-airoha/airoha.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Device Tree support for Airoha SoCs + * + * Copyright (c) 2022 Felix Fietkau <nbd@nbd.name> + */ +#include <asm/mach/arch.h> + +static const char * const airoha_board_dt_compat[] = { + "airoha,en7523", + NULL, +}; + +DT_MACHINE_START(MEDIATEK_DT, "Airoha Cortex-A53 (Device Tree)") + .dt_compat = airoha_board_dt_compat, +MACHINE_END diff --git a/target/linux/airoha/files/drivers/clk/clk-en7523.c b/target/linux/airoha/files/drivers/clk/clk-en7523.c new file mode 100644 index 0000000000..29f0126cbd --- /dev/null +++ b/target/linux/airoha/files/drivers/clk/clk-en7523.c @@ -0,0 +1,351 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/delay.h> +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <dt-bindings/clock/en7523-clk.h> + +#define REG_PCI_CONTROL 0x88 +#define REG_PCI_CONTROL_PERSTOUT BIT(29) +#define REG_PCI_CONTROL_PERSTOUT1 BIT(26) +#define REG_PCI_CONTROL_REFCLK_EN1 BIT(22) +#define REG_GSW_CLK_DIV_SEL 0x1b4 +#define REG_EMI_CLK_DIV_SEL 0x1b8 +#define REG_BUS_CLK_DIV_SEL 0x1bc +#define REG_SPI_CLK_DIV_SEL 0x1c4 +#define REG_SPI_CLK_FREQ_SEL 0x1c8 +#define REG_NPU_CLK_DIV_SEL 0x1fc +#define REG_CRYPTO_CLKSRC 0x200 +#define REG_RESET_CONTROL 0x834 +#define REG_RESET_CONTROL_PCIEHB BIT(29) +#define REG_RESET_CONTROL_PCIE1 BIT(27) +#define REG_RESET_CONTROL_PCIE2 BIT(26) + +struct en_clk_desc { + int id; + const char *name; + u32 base_reg; + u8 base_bits; + u8 base_shift; + union { + const unsigned int *base_values; + unsigned int base_value; + }; + size_t n_base_values; + + u16 div_reg; + u8 div_bits; + u8 div_shift; + u16 div_val0; + u8 div_step; +}; + +struct en_clk_gate { + void __iomem *base; + struct clk_hw hw; +}; + +static const u32 gsw_base[] = { 400000000, 500000000 }; +static const u32 emi_base[] = { 333000000, 400000000 }; +static const u32 bus_base[] = { 500000000, 540000000 }; +static const u32 slic_base[] = { 100000000, 3125000 }; +static const u32 npu_base[] = { 333000000, 400000000, 500000000 }; + +static const struct en_clk_desc en7523_base_clks[] = { + { + .id = EN7523_CLK_GSW, + .name = "gsw", + + .base_reg = REG_GSW_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = gsw_base, + .n_base_values = ARRAY_SIZE(gsw_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_EMI, + .name = "emi", + + .base_reg = REG_EMI_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = emi_base, + .n_base_values = ARRAY_SIZE(emi_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_BUS, + .name = "bus", + + .base_reg = REG_BUS_CLK_DIV_SEL, + .base_bits = 1, + .base_shift = 8, + .base_values = bus_base, + .n_base_values = ARRAY_SIZE(bus_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_SLIC, + .name = "slic", + + .base_reg = REG_SPI_CLK_FREQ_SEL, + .base_bits = 1, + .base_shift = 0, + .base_values = slic_base, + .n_base_values = ARRAY_SIZE(slic_base), + + .div_reg = REG_SPI_CLK_DIV_SEL, + .div_bits = 5, + .div_shift = 24, + .div_val0 = 20, + .div_step = 2, + }, { + .id = EN7523_CLK_SPI, + .name = "spi", + + .base_reg = REG_SPI_CLK_DIV_SEL, + + .base_value = 400000000, + + .div_bits = 5, + .div_shift = 8, + .div_val0 = 40, + .div_step = 2, + }, { + .id = EN7523_CLK_NPU, + .name = "npu", + + .base_reg = REG_NPU_CLK_DIV_SEL, + .base_bits = 2, + .base_shift = 8, + .base_values = npu_base, + .n_base_values = ARRAY_SIZE(npu_base), + + .div_bits = 3, + .div_shift = 0, + .div_step = 1, + }, { + .id = EN7523_CLK_CRYPTO, + .name = "crypto", + + .base_reg = REG_CRYPTO_CLKSRC, + .base_bits = 1, + .base_shift = 8, + .base_values = emi_base, + .n_base_values = ARRAY_SIZE(emi_base), + } +}; + +static const struct of_device_id of_match_clk_en7523[] = { + { .compatible = "airoha,en7523-scu", }, + { /* sentinel */ } +}; + +static unsigned int en7523_get_base_rate(void __iomem *base, unsigned int i) +{ + const struct en_clk_desc *desc = &en7523_base_clks[i]; + u32 val; + + if (!desc->base_bits) + return desc->base_value; + + val = readl(base + desc->base_reg); + val >>= desc->base_shift; + val &= (1 << desc->base_bits) - 1; + + if (val >= desc->n_base_values) + return 0; + + return desc->base_values[val]; +} + +static u32 en7523_get_div(void __iomem *base, int i) +{ + const struct en_clk_desc *desc = &en7523_base_clks[i]; + u32 reg, val; + + if (!desc->div_bits) + return 1; + + reg = desc->div_reg ? desc->div_reg : desc->base_reg; + val = readl(base + reg); + val >>= desc->div_shift; + val &= (1 << desc->div_bits) - 1; + + if (!val && desc->div_val0) + return desc->div_val0; + + return (val + 1) * desc->div_step; +} + +static int en7523_pci_is_enabled(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + + return !!(readl(cg->base + REG_PCI_CONTROL) & REG_PCI_CONTROL_REFCLK_EN1); +} + +static int en7523_pci_prepare(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + void __iomem *np_base = cg->base; + u32 val, mask; + + /* Need to pull device low before reset */ + val = readl(np_base + REG_PCI_CONTROL); + val &= ~(REG_PCI_CONTROL_PERSTOUT1 | REG_PCI_CONTROL_PERSTOUT); + writel(val, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + + /* Enable PCIe port 1 */ + val |= REG_PCI_CONTROL_REFCLK_EN1; + writel(val, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + + /* Reset to default */ + val = readl(np_base + REG_RESET_CONTROL); + mask = REG_RESET_CONTROL_PCIE1 | REG_RESET_CONTROL_PCIE2 | + REG_RESET_CONTROL_PCIEHB; + writel(val & ~mask, np_base + REG_RESET_CONTROL); + usleep_range(1000, 2000); + writel(val | mask, np_base + REG_RESET_CONTROL); + msleep(100); + writel(val & ~mask, np_base + REG_RESET_CONTROL); + usleep_range(5000, 10000); + + /* Release device */ + mask = REG_PCI_CONTROL_PERSTOUT1 | REG_PCI_CONTROL_PERSTOUT; + val = readl(np_base + REG_PCI_CONTROL); + writel(val & ~mask, np_base + REG_PCI_CONTROL); + usleep_range(1000, 2000); + writel(val | mask, np_base + REG_PCI_CONTROL); + msleep(250); + + return 0; +} + +static void en7523_pci_unprepare(struct clk_hw *hw) +{ + struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw); + void __iomem *np_base = cg->base; + u32 val; + + val = readl(np_base + REG_PCI_CONTROL); + val &= ~REG_PCI_CONTROL_REFCLK_EN1; + writel(val, np_base + REG_PCI_CONTROL); +} + +static struct clk_hw *en7523_register_pcie_clk(struct device *dev, + void __iomem *np_base) +{ + static const struct clk_ops pcie_gate_ops = { + .is_enabled = en7523_pci_is_enabled, + .prepare = en7523_pci_prepare, + .unprepare = en7523_pci_unprepare, + }; + struct clk_init_data init = { + .name = "pcie", + .ops = &pcie_gate_ops, + }; + struct en_clk_gate *cg; + + cg = devm_kzalloc(dev, sizeof(*cg), GFP_KERNEL); + if (!cg) + return NULL; + + cg->base = np_base; + cg->hw.init = &init; + en7523_pci_unprepare(&cg->hw); + + if (clk_hw_register(dev, &cg->hw)) + return NULL; + + return &cg->hw; +} + +static void en7523_register_clocks(struct device *dev, struct clk_hw_onecell_data *clk_data, + void __iomem *base, void __iomem *np_base) +{ + struct clk_hw *hw; + u32 rate; + int i; + + for (i = 0; i < ARRAY_SIZE(en7523_base_clks); i++) { + const struct en_clk_desc *desc = &en7523_base_clks[i]; + + rate = en7523_get_base_rate(base, i); + rate /= en7523_get_div(base, i); + + hw = clk_hw_register_fixed_rate(dev, desc->name, NULL, 0, rate); + if (IS_ERR(hw)) { + pr_err("Failed to register clk %s: %ld\n", + desc->name, PTR_ERR(hw)); + continue; + } + + clk_data->hws[desc->id] = hw; + } + + hw = en7523_register_pcie_clk(dev, np_base); + clk_data->hws[EN7523_CLK_PCIE] = hw; + + clk_data->num = EN7523_NUM_CLOCKS; +} + +static int en7523_clk_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data; + void __iomem *base, *np_base; + int r; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + np_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(np_base)) + return PTR_ERR(np_base); + + clk_data = devm_kzalloc(&pdev->dev, + struct_size(clk_data, hws, EN7523_NUM_CLOCKS), + GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + en7523_register_clocks(&pdev->dev, clk_data, base, np_base); + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + return r; +} + +static struct platform_driver clk_en7523_drv = { + .probe = en7523_clk_probe, + .driver = { + .name = "clk-en7523", + .of_match_table = of_match_clk_en7523, + .suppress_bind_attrs = true, + }, +}; + +static int __init clk_en7523_init(void) +{ + return platform_driver_register(&clk_en7523_drv); +} + +arch_initcall(clk_en7523_init); diff --git a/target/linux/airoha/files/drivers/gpio/gpio-en7523.c b/target/linux/airoha/files/drivers/gpio/gpio-en7523.c new file mode 100644 index 0000000000..f836a8db4c --- /dev/null +++ b/target/linux/airoha/files/drivers/gpio/gpio-en7523.c @@ -0,0 +1,137 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/types.h> +#include <linux/io.h> +#include <linux/bits.h> +#include <linux/gpio/driver.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/property.h> + +#define AIROHA_GPIO_MAX 32 + +/** + * airoha_gpio_ctrl - Airoha GPIO driver data + * @gc: Associated gpio_chip instance. + * @data: The data register. + * @dir0: The direction register for the lower 16 pins. + * @dir1: The direction register for the higher 16 pins. + * @output: The output enable register. + */ +struct airoha_gpio_ctrl { + struct gpio_chip gc; + void __iomem *data; + void __iomem *dir[2]; + void __iomem *output; +}; + +static struct airoha_gpio_ctrl *gc_to_ctrl(struct gpio_chip *gc) +{ + return container_of(gc, struct airoha_gpio_ctrl, gc); +} + +static int airoha_dir_set(struct gpio_chip *gc, unsigned int gpio, + int val, int out) +{ + struct airoha_gpio_ctrl *ctrl = gc_to_ctrl(gc); + u32 dir = ioread32(ctrl->dir[gpio / 16]); + u32 output = ioread32(ctrl->output); + u32 mask = BIT((gpio % 16) * 2); + + if (out) { + dir |= mask; + output |= BIT(gpio); + } else { + dir &= ~mask; + output &= ~BIT(gpio); + } + + iowrite32(dir, ctrl->dir[gpio / 16]); + + if (out) + gc->set(gc, gpio, val); + + iowrite32(output, ctrl->output); + + return 0; +} + +static int airoha_dir_out(struct gpio_chip *gc, unsigned int gpio, + int val) +{ + return airoha_dir_set(gc, gpio, val, 1); +} + +static int airoha_dir_in(struct gpio_chip *gc, unsigned int gpio) +{ + return airoha_dir_set(gc, gpio, 0, 0); +} + +static int airoha_get_dir(struct gpio_chip *gc, unsigned int gpio) +{ + struct airoha_gpio_ctrl *ctrl = gc_to_ctrl(gc); + u32 dir = ioread32(ctrl->dir[gpio / 16]); + u32 mask = BIT((gpio % 16) * 2); + + return (dir & mask) ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN; +} + +static int airoha_gpio_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct airoha_gpio_ctrl *ctrl; + int err; + + ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return -ENOMEM; + + ctrl->data = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(ctrl->data)) + return PTR_ERR(ctrl->data); + + ctrl->dir[0] = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(ctrl->dir[0])) + return PTR_ERR(ctrl->dir[0]); + + ctrl->dir[1] = devm_platform_ioremap_resource(pdev, 2); + if (IS_ERR(ctrl->dir[1])) + return PTR_ERR(ctrl->dir[1]); + + ctrl->output = devm_platform_ioremap_resource(pdev, 3); + if (IS_ERR(ctrl->output)) + return PTR_ERR(ctrl->output); + + err = bgpio_init(&ctrl->gc, dev, 4, ctrl->data, NULL, + NULL, NULL, NULL, 0); + if (err) + return dev_err_probe(dev, err, "unable to init generic GPIO"); + + ctrl->gc.ngpio = AIROHA_GPIO_MAX; + ctrl->gc.owner = THIS_MODULE; + ctrl->gc.direction_output = airoha_dir_out; + ctrl->gc.direction_input = airoha_dir_in; + ctrl->gc.get_direction = airoha_get_dir; + + return devm_gpiochip_add_data(dev, &ctrl->gc, ctrl); +} + +static const struct of_device_id airoha_gpio_of_match[] = { + { .compatible = "airoha,en7523-gpio" }, + { } +}; +MODULE_DEVICE_TABLE(of, airoha_gpio_of_match); + +static struct platform_driver airoha_gpio_driver = { + .driver = { + .name = "airoha-gpio", + .of_match_table = airoha_gpio_of_match, + }, + .probe = airoha_gpio_probe, +}; +module_platform_driver(airoha_gpio_driver); + +MODULE_DESCRIPTION("Airoha GPIO support"); +MODULE_AUTHOR("John Crispin <john@phrozen.org>"); +MODULE_LICENSE("GPL v2"); diff --git a/target/linux/airoha/files/include/dt-bindings/clock/en7523-clk.h b/target/linux/airoha/files/include/dt-bindings/clock/en7523-clk.h new file mode 100644 index 0000000000..717d23a5e5 --- /dev/null +++ b/target/linux/airoha/files/include/dt-bindings/clock/en7523-clk.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +#ifndef _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ +#define _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ + +#define EN7523_CLK_GSW 0 +#define EN7523_CLK_EMI 1 +#define EN7523_CLK_BUS 2 +#define EN7523_CLK_SLIC 3 +#define EN7523_CLK_SPI 4 +#define EN7523_CLK_NPU 5 +#define EN7523_CLK_CRYPTO 6 +#define EN7523_CLK_PCIE 7 + +#define EN7523_NUM_CLOCKS 8 + +#endif /* _DT_BINDINGS_CLOCK_AIROHA_EN7523_H_ */ diff --git a/target/linux/airoha/image/Makefile b/target/linux/airoha/image/Makefile new file mode 100644 index 0000000000..c6def5ad65 --- /dev/null +++ b/target/linux/airoha/image/Makefile @@ -0,0 +1,37 @@ +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 $(call BuildImage)) diff --git a/target/linux/airoha/image/en7523.mk b/target/linux/airoha/image/en7523.mk new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/target/linux/airoha/image/en7523.mk diff --git a/target/linux/airoha/patches-5.15/0001-add-airoha-platform.patch b/target/linux/airoha/patches-5.15/0001-add-airoha-platform.patch new file mode 100644 index 0000000000..b1f88a6ac7 --- /dev/null +++ b/target/linux/airoha/patches-5.15/0001-add-airoha-platform.patch @@ -0,0 +1,35 @@ +diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig +index 66f5d6c3..05cd3385 100644 +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -571,6 +571,18 @@ config ARCH_VIRT + select HAVE_ARM_ARCH_TIMER + select ARCH_SUPPORTS_BIG_ENDIAN + ++config ARCH_AIROHA ++ bool "Airoha SoC Support" ++ depends on ARCH_MULTI_V7 ++ select ARM_AMBA ++ select ARM_GIC ++ select ARM_GIC_V3 ++ select ARM_PSCI ++ select HAVE_ARM_ARCH_TIMER ++ select COMMON_CLK ++ help ++ Support for Airoha EN7523 SoCs ++ + # + # This is sorted alphabetically by mach-* pathname. However, plat-* + # Kconfigs may be included either alphabetically (according to the +diff --git a/arch/arm/Makefile b/arch/arm/Makefile +index fa45837b..c34f7463 100644 +--- a/arch/arm/Makefile ++++ b/arch/arm/Makefile +@@ -156,6 +156,7 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000 + # Machine directory name. This list is sorted alphanumerically + # by CONFIG_* macro name. + machine-$(CONFIG_ARCH_ACTIONS) += actions ++machine-$(CONFIG_ARCH_AIROHA) += airoha + machine-$(CONFIG_ARCH_ALPINE) += alpine + machine-$(CONFIG_ARCH_ARTPEC) += artpec + machine-$(CONFIG_ARCH_ASPEED) += aspeed diff --git a/target/linux/airoha/patches-5.15/0002-add-airoha-en7523-clk-driver.patch b/target/linux/airoha/patches-5.15/0002-add-airoha-en7523-clk-driver.patch new file mode 100644 index 0000000000..676e0f40bb --- /dev/null +++ b/target/linux/airoha/patches-5.15/0002-add-airoha-en7523-clk-driver.patch @@ -0,0 +1,32 @@ +diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig +index c5b3dc97..c973ac1a 100644 +--- a/drivers/clk/Kconfig ++++ b/drivers/clk/Kconfig +@@ -192,6 +192,15 @@ config COMMON_CLK_CS2000_CP + help + If you say yes here you get support for the CS2000 clock multiplier. + ++config COMMON_CLK_EN7523 ++ bool "Clock driver for Airoha EN7523 SoC system clocks" ++ depends on OF ++ depends on ARCH_AIROHA || COMPILE_TEST ++ default ARCH_AIROHA ++ help ++ This driver provides the fixed clocks and gates present on Airoha ++ ARM silicon. ++ + config COMMON_CLK_FSL_FLEXSPI + tristate "Clock driver for FlexSPI on Layerscape SoCs" + depends on ARCH_LAYERSCAPE || COMPILE_TEST +diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile +index e4231212..be11d88c 100644 +--- a/drivers/clk/Makefile ++++ b/drivers/clk/Makefile +@@ -27,6 +27,7 @@ obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o + obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o + obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o + obj-$(CONFIG_ARCH_SPARX5) += clk-sparx5.o ++obj-$(CONFIG_COMMON_CLK_EN7523) += clk-en7523.o + obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o + obj-$(CONFIG_COMMON_CLK_FSL_FLEXSPI) += clk-fsl-flexspi.o + obj-$(CONFIG_COMMON_CLK_FSL_SAI) += clk-fsl-sai.o diff --git a/target/linux/airoha/patches-5.15/0003-add-airoha-en7523-gpio-driver.patch b/target/linux/airoha/patches-5.15/0003-add-airoha-en7523-gpio-driver.patch new file mode 100644 index 0000000000..1d95e6b2c8 --- /dev/null +++ b/target/linux/airoha/patches-5.15/0003-add-airoha-en7523-gpio-driver.patch @@ -0,0 +1,33 @@ +diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig +index cbfb6f13..b3106df6 100644 +--- a/drivers/gpio/Kconfig ++++ b/drivers/gpio/Kconfig +@@ -247,6 +247,16 @@ config GPIO_EM + help + Say yes here to support GPIO on Renesas Emma Mobile SoCs. + ++config GPIO_EN7523 ++ tristate "Airoha GPIO support" ++ depends on ARCH_AIROHA ++ default ARCH_AIROHA ++ select GPIO_GENERIC ++ select GPIOLIB_IRQCHIP ++ help ++ Say Y or M here to support the GPIO controller block on the ++ Airoha EN7523 SoC. It supports two banks of 32 GPIOs. ++ + config GPIO_EP93XX + def_bool y + depends on ARCH_EP93XX +diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile +index 61202717..4c73ce82 100644 +--- a/drivers/gpio/Makefile ++++ b/drivers/gpio/Makefile +@@ -57,6 +57,7 @@ obj-$(CONFIG_GPIO_DLN2) += gpio-dln2.o + obj-$(CONFIG_GPIO_DWAPB) += gpio-dwapb.o + obj-$(CONFIG_GPIO_EIC_SPRD) += gpio-eic-sprd.o + obj-$(CONFIG_GPIO_EM) += gpio-em.o ++obj-$(CONFIG_GPIO_EN7523) += gpio-en7523.o + obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o + obj-$(CONFIG_GPIO_EXAR) += gpio-exar.o + obj-$(CONFIG_GPIO_F7188X) += gpio-f7188x.o diff --git a/target/linux/airoha/patches-5.15/0004-ARM-9124-1-uncompress-Parse-linux-usable-memory-rang.patch b/target/linux/airoha/patches-5.15/0004-ARM-9124-1-uncompress-Parse-linux-usable-memory-rang.patch new file mode 100644 index 0000000000..f13ab2b0ed --- /dev/null +++ b/target/linux/airoha/patches-5.15/0004-ARM-9124-1-uncompress-Parse-linux-usable-memory-rang.patch @@ -0,0 +1,111 @@ +From 48342ae751c797ac73ac9c894b3f312df18ffd21 Mon Sep 17 00:00:00 2001 +From: Geert Uytterhoeven <geert+renesas@glider.be> +Date: Wed, 15 Sep 2021 13:46:20 +0100 +Subject: [PATCH] ARM: 9124/1: uncompress: Parse "linux,usable-memory-range" DT + property + +Add support for parsing the "linux,usable-memory-range" DT property. +This property is used to describe the usable memory reserved for the +crash dump kernel, and thus makes the memory reservation explicit. +If present, Linux no longer needs to mask the program counter, and rely +on the "mem=" kernel parameter to obtain the start and size of usable +memory. + +For backwards compatibility, the traditional method to derive the start +of memory is still used if "linux,usable-memory-range" is absent. + +Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com> +--- + .../arm/boot/compressed/fdt_check_mem_start.c | 48 ++++++++++++++++--- + 1 file changed, 42 insertions(+), 6 deletions(-) + +diff --git a/arch/arm/boot/compressed/fdt_check_mem_start.c b/arch/arm/boot/compressed/fdt_check_mem_start.c +index 62450d824c3c..9291a2661bdf 100644 +--- a/arch/arm/boot/compressed/fdt_check_mem_start.c ++++ b/arch/arm/boot/compressed/fdt_check_mem_start.c +@@ -55,16 +55,17 @@ static uint64_t get_val(const fdt32_t *cells, uint32_t ncells) + * DTB, and, if out-of-range, replace it by the real start address. + * To preserve backwards compatibility (systems reserving a block of memory + * at the start of physical memory, kdump, ...), the traditional method is +- * always used if it yields a valid address. ++ * used if it yields a valid address, unless the "linux,usable-memory-range" ++ * property is present. + * + * Return value: start address of physical memory to use + */ + uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) + { +- uint32_t addr_cells, size_cells, base; ++ uint32_t addr_cells, size_cells, usable_base, base; + uint32_t fdt_mem_start = 0xffffffff; +- const fdt32_t *reg, *endp; +- uint64_t size, end; ++ const fdt32_t *usable, *reg, *endp; ++ uint64_t size, usable_end, end; + const char *type; + int offset, len; + +@@ -80,6 +81,27 @@ uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) + if (addr_cells > 2 || size_cells > 2) + return mem_start; + ++ /* ++ * Usable memory in case of a crash dump kernel ++ * This property describes a limitation: memory within this range is ++ * only valid when also described through another mechanism ++ */ ++ usable = get_prop(fdt, "/chosen", "linux,usable-memory-range", ++ (addr_cells + size_cells) * sizeof(fdt32_t)); ++ if (usable) { ++ size = get_val(usable + addr_cells, size_cells); ++ if (!size) ++ return mem_start; ++ ++ if (addr_cells > 1 && fdt32_ld(usable)) { ++ /* Outside 32-bit address space */ ++ return mem_start; ++ } ++ ++ usable_base = fdt32_ld(usable + addr_cells - 1); ++ usable_end = usable_base + size; ++ } ++ + /* Walk all memory nodes and regions */ + for (offset = fdt_next_node(fdt, -1, NULL); offset >= 0; + offset = fdt_next_node(fdt, offset, NULL)) { +@@ -107,7 +129,20 @@ uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) + + base = fdt32_ld(reg + addr_cells - 1); + end = base + size; +- if (mem_start >= base && mem_start < end) { ++ if (usable) { ++ /* ++ * Clip to usable range, which takes precedence ++ * over mem_start ++ */ ++ if (base < usable_base) ++ base = usable_base; ++ ++ if (end > usable_end) ++ end = usable_end; ++ ++ if (end <= base) ++ continue; ++ } else if (mem_start >= base && mem_start < end) { + /* Calculated address is valid, use it */ + return mem_start; + } +@@ -123,7 +158,8 @@ uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) + } + + /* +- * The calculated address is not usable. ++ * The calculated address is not usable, or was overridden by the ++ * "linux,usable-memory-range" property. + * Use the lowest usable physical memory address from the DTB instead, + * and make sure this is a multiple of 2 MiB for phys/virt patching. + */ +-- +2.35.1 diff --git a/target/linux/airoha/patches-5.15/0005-spi-Add-support-for-the-Airoha-EN7523-SoC-SPI-contro.patch b/target/linux/airoha/patches-5.15/0005-spi-Add-support-for-the-Airoha-EN7523-SoC-SPI-contro.patch new file mode 100644 index 0000000000..e368acc0cf --- /dev/null +++ b/target/linux/airoha/patches-5.15/0005-spi-Add-support-for-the-Airoha-EN7523-SoC-SPI-contro.patch @@ -0,0 +1,346 @@ +diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig +index 83e352b0..5f7defe4 100644 +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -308,6 +308,12 @@ 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 +diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile +index 699db95c..6c9460f7 100644 +--- a/drivers/spi/Makefile ++++ b/drivers/spi/Makefile +@@ -45,6 +45,7 @@ obj-$(CONFIG_SPI_DW_BT1) += spi-dw-bt1.o + 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 +diff --git a/drivers/spi/spi-en7523.c b/drivers/spi/spi-en7523.c +new file mode 100644 +index 00000000..322bf2eb +--- /dev/null ++++ b/drivers/spi/spi-en7523.c +@@ -0,0 +1,311 @@ ++// 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)); ++ } ++} ++ ++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); ++} ++ ++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"); diff --git a/target/linux/airoha/patches-5.15/0006-PCI-mediatek-Allow-building-for-ARCH_AIROHA.patch b/target/linux/airoha/patches-5.15/0006-PCI-mediatek-Allow-building-for-ARCH_AIROHA.patch new file mode 100644 index 0000000000..9f51f281bc --- /dev/null +++ b/target/linux/airoha/patches-5.15/0006-PCI-mediatek-Allow-building-for-ARCH_AIROHA.patch @@ -0,0 +1,35 @@ +From b3b76fc86f0fb4d98918f48c784138bfa950dff6 Mon Sep 17 00:00:00 2001 +From: Felix Fietkau <nbd@nbd.name> +Date: Wed, 15 Jun 2022 14:53:34 +0200 +Subject: [PATCH] PCI: mediatek: Allow building for ARCH_AIROHA + +Allow selecting the pcie-mediatek driver if ARCH_AIROHA is set, because the +Airoha EN7523 SoC uses the same controller as MT7622. + +The driver itself is not modified. The PCIe controller DT node should use +mediatek,mt7622-pcie after airoha,en7523-pcie. + +Link: https://lore.kernel.org/r/20220615125335.96089-2-nbd@nbd.name +Signed-off-by: Felix Fietkau <nbd@nbd.name> +Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> +Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> +Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com> +--- + drivers/pci/controller/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig +index b8d96d38064d..2f6806dc2a20 100644 +--- a/drivers/pci/controller/Kconfig ++++ b/drivers/pci/controller/Kconfig +@@ -237,7 +237,7 @@ config PCIE_ROCKCHIP_EP + + config PCIE_MEDIATEK + tristate "MediaTek PCIe controller" +- depends on ARCH_MEDIATEK || COMPILE_TEST ++ depends on ARCH_AIROHA || ARCH_MEDIATEK || COMPILE_TEST + depends on OF + depends on PCI_MSI_IRQ_DOMAIN + help +-- +2.35.1 |