From: Daniel Golle Date: Thu, 12 Mar 2020 09:25:21 +0000 (+0100) Subject: oxnas: switch to kernel 5.4 and remove kernel 4.14 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f39230e4636c1003cf8cb2d739cd95a4344609b4;p=openwrt%2Fstaging%2Frobimarko.git oxnas: switch to kernel 5.4 and remove kernel 4.14 Run-tested 5.4 on Shuttle KD20 for some days now, everything seems fine so far. Let's have snapshot builds based on 5.4. Signed-off-by: Daniel Golle --- diff --git a/target/linux/oxnas/Makefile b/target/linux/oxnas/Makefile index 2f9b9f4546..c44f844b9c 100644 --- a/target/linux/oxnas/Makefile +++ b/target/linux/oxnas/Makefile @@ -9,8 +9,7 @@ DEVICE_TYPE:=nas MAINTAINER:=Daniel Golle -KERNEL_PATCHVER:=4.14 -KERNEL_TESTING_PATCHVER:=5.4 +KERNEL_PATCHVER:=5.4 include $(INCLUDE_DIR)/target.mk diff --git a/target/linux/oxnas/config-4.14 b/target/linux/oxnas/config-4.14 deleted file mode 100644 index 7ea24a91a6..0000000000 --- a/target/linux/oxnas/config-4.14 +++ /dev/null @@ -1,363 +0,0 @@ -CONFIG_ALIGNMENT_TRAP=y -CONFIG_ARCH_CLOCKSOURCE_DATA=y -CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y -CONFIG_ARCH_HAS_ELF_RANDOMIZE=y -CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y -CONFIG_ARCH_HAS_RESET_CONTROLLER=y -CONFIG_ARCH_HAS_SET_MEMORY=y -CONFIG_ARCH_HAS_SG_CHAIN=y -CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y -CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y -CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y -CONFIG_ARCH_HIBERNATION_POSSIBLE=y -CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y -CONFIG_ARCH_MULTIPLATFORM=y -CONFIG_ARCH_MULTI_CPU_AUTO=y -# 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_NR_GPIO=0 -CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y -# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set -CONFIG_ARCH_OXNAS=y -# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set -# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set -CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y -CONFIG_ARCH_SUPPORTS_UPROBES=y -CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_ARCH_USE_BUILTIN_BSWAP=y -CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y -CONFIG_ARCH_WANT_GENERAL_HUGETLB=y -CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y -CONFIG_ARCH_WANT_LIBATA_LEDS=y -CONFIG_ARM=y -CONFIG_ARM_APPENDED_DTB=y -CONFIG_ARM_ATAG_DTB_COMPAT=y -# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set -# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER is not set -CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE=y -CONFIG_ARM_CPU_SUSPEND=y -CONFIG_ARM_HAS_SG_CHAIN=y -CONFIG_ARM_L1_CACHE_SHIFT=5 -CONFIG_ARM_PATCH_PHYS_VIRT=y -CONFIG_ARM_PMU=y -# CONFIG_ARM_SMMU is not set -CONFIG_ARM_THUMB=y -CONFIG_ARM_TIMER_SP804=y -CONFIG_ARM_UNWIND=y -CONFIG_ATAGS=y -CONFIG_AUTO_ZRELADDR=y -CONFIG_BLK_CMDLINE_PARSER=y -CONFIG_BLK_DEBUG_FS=y -CONFIG_BLK_DEV_BSG=y -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=65536 -CONFIG_BLK_SCSI_REQUEST=y -# CONFIG_BPF_SYSCALL is not set -# CONFIG_CACHE_L2X0 is not set -CONFIG_CLKDEV_LOOKUP=y -CONFIG_CLKSRC_MMIO=y -CONFIG_CLONE_BACKWARDS=y -CONFIG_CMA=y -CONFIG_CMA_ALIGNMENT=8 -CONFIG_CMA_AREAS=7 -# CONFIG_CMA_DEBUG is not set -# CONFIG_CMA_DEBUGFS is not set -CONFIG_CMA_SIZE_MBYTES=64 -# CONFIG_CMA_SIZE_SEL_MAX is not set -CONFIG_CMA_SIZE_SEL_MBYTES=y -# CONFIG_CMA_SIZE_SEL_MIN is not set -# CONFIG_CMA_SIZE_SEL_PERCENTAGE is not set -CONFIG_CMDLINE_PARTITION=y -CONFIG_COMMON_CLK=y -CONFIG_COMMON_CLK_OXNAS=y -CONFIG_CONSOLE_TRANSLATIONS=y -CONFIG_COREDUMP=y -CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y -CONFIG_CPU_32v5=y -CONFIG_CPU_ABRT_EV5TJ=y -CONFIG_CPU_ARM926T=y -# CONFIG_CPU_CACHE_ROUND_ROBIN is not set -CONFIG_CPU_CACHE_VIVT=y -CONFIG_CPU_COPY_V4WB=y -CONFIG_CPU_CP15=y -CONFIG_CPU_CP15_MMU=y -# CONFIG_CPU_DCACHE_WRITETHROUGH is not set -# CONFIG_CPU_ICACHE_DISABLE is not set -CONFIG_CPU_PABRT_LEGACY=y -CONFIG_CPU_PM=y -CONFIG_CPU_THUMB_CAPABLE=y -CONFIG_CPU_TLB_V4WBI=y -CONFIG_CPU_USE_DOMAINS=y -CONFIG_CRASH_CORE=y -CONFIG_CRC16=y -# CONFIG_CRC32_SARWATE is not set -CONFIG_CRC32_SLICEBY8=y -CONFIG_CROSS_MEMORY_ATTACH=y -CONFIG_CRYPTO_RNG2=y -CONFIG_CRYPTO_WORKQUEUE=y -CONFIG_DEBUG_ALIGN_RODATA=y -CONFIG_DEBUG_BUGVERBOSE=y -CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" -# CONFIG_DEBUG_UART_8250 is not set -# CONFIG_DEBUG_USER is not set -CONFIG_DECOMPRESS_BZIP2=y -CONFIG_DECOMPRESS_GZIP=y -CONFIG_DECOMPRESS_LZ4=y -CONFIG_DECOMPRESS_LZMA=y -CONFIG_DECOMPRESS_LZO=y -CONFIG_DECOMPRESS_XZ=y -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_DEVTMPFS=y -CONFIG_DEVTMPFS_MOUNT=y -CONFIG_DMA_CMA=y -CONFIG_DNOTIFY=y -CONFIG_DTC=y -CONFIG_DUMMY_CONSOLE=y -# CONFIG_DWMAC_DWC_QOS_ETH is not set -CONFIG_DWMAC_GENERIC=y -CONFIG_DWMAC_OXNAS=y -CONFIG_EDAC_ATOMIC_SCRUB=y -CONFIG_EDAC_SUPPORT=y -CONFIG_ELF_CORE=y -CONFIG_FAT_FS=y -CONFIG_FIXED_PHY=y -CONFIG_FIX_EARLYCON_MEM=y -CONFIG_FREEZER=y -CONFIG_GENERIC_ALLOCATOR=y -CONFIG_GENERIC_ATOMIC64=y -CONFIG_GENERIC_BUG=y -CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_GENERIC_CPU_AUTOPROBE=y -CONFIG_GENERIC_EARLY_IOREMAP=y -CONFIG_GENERIC_IDLE_POLL_SETUP=y -CONFIG_GENERIC_IO=y -CONFIG_GENERIC_IRQ_SHOW=y -CONFIG_GENERIC_IRQ_SHOW_LEVEL=y -CONFIG_GENERIC_PCI_IOMAP=y -CONFIG_GENERIC_PINCONF=y -CONFIG_GENERIC_SCHED_CLOCK=y -CONFIG_GENERIC_SMP_IDLE_THREAD=y -CONFIG_GENERIC_STRNCPY_FROM_USER=y -CONFIG_GENERIC_STRNLEN_USER=y -CONFIG_GPIOLIB=y -CONFIG_GPIOLIB_IRQCHIP=y -CONFIG_GPIO_GENERIC=y -CONFIG_GPIO_GENERIC_PLATFORM=y -CONFIG_GRO_CELLS=y -CONFIG_HANDLE_DOMAIN_IRQ=y -CONFIG_HARDIRQS_SW_RESEND=y -CONFIG_HAS_DMA=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT_MAP=y -# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set -CONFIG_HAVE_ARCH_AUDITSYSCALL=y -# CONFIG_HAVE_ARCH_BITREVERSE is not set -CONFIG_HAVE_ARCH_JUMP_LABEL=y -CONFIG_HAVE_ARCH_KGDB=y -CONFIG_HAVE_ARCH_PFN_VALID=y -CONFIG_HAVE_ARCH_SECCOMP_FILTER=y -CONFIG_HAVE_ARCH_TRACEHOOK=y -# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set -CONFIG_HAVE_CC_STACKPROTECTOR=y -CONFIG_HAVE_CLK=y -CONFIG_HAVE_CLK_PREPARE=y -CONFIG_HAVE_CONTEXT_TRACKING=y -CONFIG_HAVE_C_RECORDMCOUNT=y -CONFIG_HAVE_DEBUG_KMEMLEAK=y -CONFIG_HAVE_DMA_API_DEBUG=y -CONFIG_HAVE_DMA_CONTIGUOUS=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y -CONFIG_HAVE_EBPF_JIT=y -CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y -CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y -CONFIG_HAVE_FUNCTION_TRACER=y -CONFIG_HAVE_GENERIC_DMA_COHERENT=y -CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y -CONFIG_HAVE_MEMBLOCK=y -CONFIG_HAVE_MOD_ARCH_SPECIFIC=y -CONFIG_HAVE_NET_DSA=y -CONFIG_HAVE_OPROFILE=y -CONFIG_HAVE_OPTPROBES=y -CONFIG_HAVE_PERF_EVENTS=y -CONFIG_HAVE_PERF_REGS=y -CONFIG_HAVE_PERF_USER_STACK_DUMP=y -CONFIG_HAVE_PROC_CPU=y -CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y -CONFIG_HAVE_SYSCALL_TRACEPOINTS=y -CONFIG_HAVE_UID16=y -CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y -CONFIG_HID=y -CONFIG_HID_GENERIC=y -CONFIG_HWMON=y -CONFIG_HW_CONSOLE=y -CONFIG_HZ_FIXED=0 -CONFIG_ICPLUS_PHY=y -CONFIG_INET_DIAG=y -# CONFIG_INET_DIAG_DESTROY is not set -# CONFIG_INET_RAW_DIAG is not set -CONFIG_INET_TCP_DIAG=y -CONFIG_INET_XFRM_MODE_BEET=y -CONFIG_INET_XFRM_MODE_TRANSPORT=y -CONFIG_INET_XFRM_MODE_TUNNEL=y -CONFIG_INITRAMFS_SOURCE="" -CONFIG_INPUT=y -CONFIG_IOMMU_HELPER=y -# CONFIG_IOMMU_IO_PGTABLE_ARMV7S is not set -# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set -CONFIG_IOMMU_SUPPORT=y -CONFIG_IOSCHED_CFQ=y -CONFIG_IRQCHIP=y -CONFIG_IRQ_DOMAIN=y -CONFIG_IRQ_FORCED_THREADING=y -CONFIG_IRQ_WORK=y -# CONFIG_ISDN is not set -# CONFIG_JFFS2_FS is not set -CONFIG_KALLSYMS=y -CONFIG_KERNEL_GZIP=y -# CONFIG_KERNEL_XZ is not set -CONFIG_KEXEC=y -CONFIG_KEXEC_CORE=y -# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set -CONFIG_LEDS_GPIO=y -CONFIG_LEDS_TRIGGER_CPU=y -CONFIG_LEDS_TRIGGER_GPIO=y -CONFIG_LEDS_TRIGGER_HEARTBEAT=y -# CONFIG_LEDS_TRIGGER_NETDEV is not set -CONFIG_LEDS_TRIGGER_ONESHOT=y -CONFIG_LIBFDT=y -CONFIG_LOCALVERSION_AUTO=y -CONFIG_LZ4_DECOMPRESS=y -CONFIG_LZO_DECOMPRESS=y -# CONFIG_MACH_OX810SE is not set -CONFIG_MDIO_BUS=y -CONFIG_MDIO_DEVICE=y -CONFIG_MEMORY_ISOLATION=y -CONFIG_MFD_SYSCON=y -CONFIG_MIGHT_HAVE_PCI=y -CONFIG_MIGRATION=y -CONFIG_MODULES_TREE_LOOKUP=y -CONFIG_MODULES_USE_ELF_REL=y -CONFIG_MULTI_IRQ_HANDLER=y -CONFIG_NEED_DMA_MAP_STATE=y -CONFIG_NEED_KUSER_HELPERS=y -CONFIG_NEED_PER_CPU_KM=y -CONFIG_NET_PTP_CLASSIFY=y -CONFIG_NLS=y -CONFIG_NO_BOOTMEM=y -CONFIG_NO_HZ=y -CONFIG_NO_HZ_COMMON=y -CONFIG_NO_HZ_IDLE=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_MDIO=y -CONFIG_OF_NET=y -CONFIG_OF_RESERVED_MEM=y -CONFIG_OLD_SIGACTION=y -CONFIG_OLD_SIGSUSPEND3=y -CONFIG_OXNAS_RPS_TIMER=y -CONFIG_PAGE_OFFSET=0xC0000000 -# CONFIG_PANIC_ON_OOPS is not set -CONFIG_PANIC_ON_OOPS_VALUE=0 -CONFIG_PANIC_TIMEOUT=0 -# CONFIG_PCI_DOMAINS_GENERIC is not set -# CONFIG_PCI_SYSCALL is not set -CONFIG_PERF_EVENTS=y -CONFIG_PERF_USE_VMALLOC=y -CONFIG_PGTABLE_LEVELS=2 -CONFIG_PHYLIB=y -CONFIG_GENERIC_PHY=y -CONFIG_PHY_OXNAS=y -CONFIG_PINCTRL=y -CONFIG_PINCTRL_OXNAS=y -# CONFIG_PINCTRL_SINGLE is not set -CONFIG_PM=y -CONFIG_PM_CLK=y -# CONFIG_PM_DEBUG is not set -CONFIG_PM_SLEEP=y -CONFIG_POWER_RESET=y -CONFIG_POWER_RESET_OXNAS=y -CONFIG_PPS=y -CONFIG_PTP_1588_CLOCK=y -CONFIG_RAS=y -CONFIG_RATIONAL=y -# CONFIG_RCU_NEED_SEGCBLIST is not set -# CONFIG_RCU_STALL_COMMON is not set -CONFIG_RCU_TRACE=y -CONFIG_RD_BZIP2=y -CONFIG_RD_GZIP=y -CONFIG_RD_LZ4=y -CONFIG_RD_LZMA=y -CONFIG_RD_LZO=y -CONFIG_RD_XZ=y -CONFIG_REALTEK_PHY=y -CONFIG_REGMAP=y -CONFIG_REGMAP_MMIO=y -CONFIG_RESET_CONTROLLER=y -CONFIG_RESET_OXNAS=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_SCHED_DEBUG=y -# CONFIG_SCHED_INFO is not set -# CONFIG_SCSI_DMA is not set -CONFIG_SERIAL_8250_DEPRECATED_OPTIONS=y -CONFIG_SERIAL_8250_FSL=y -CONFIG_SERIAL_8250_NR_UARTS=4 -CONFIG_SERIAL_8250_RUNTIME_UARTS=4 -CONFIG_SERIAL_OF_PLATFORM=y -CONFIG_SERIO=y -CONFIG_SERIO_LIBPS2=y -CONFIG_SERIO_SERPORT=y -CONFIG_SIMPLE_PM_BUS=y -CONFIG_SLUB_DEBUG=y -CONFIG_SOCK_DIAG=y -CONFIG_SPARSE_IRQ=y -CONFIG_SPLIT_PTLOCK_CPUS=999999 -CONFIG_SRCU=y -CONFIG_STACKTRACE=y -# CONFIG_STAGING is not set -CONFIG_STMMAC_ETH=y -CONFIG_STMMAC_PLATFORM=y -# CONFIG_STRIP_ASM_SYMS is not set -CONFIG_SUSPEND=y -CONFIG_SUSPEND_FREEZER=y -CONFIG_SWIOTLB=y -CONFIG_SWPHY=y -CONFIG_SYS_SUPPORTS_APM_EMULATION=y -CONFIG_TICK_CPU_ACCOUNTING=y -CONFIG_TIMER_OF=y -CONFIG_TIMER_PROBE=y -CONFIG_TINY_SRCU=y -CONFIG_TRACE_CLOCK=y -CONFIG_UEVENT_HELPER_PATH="" -CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" -CONFIG_USB_SUPPORT=y -# CONFIG_USERIO is not set -CONFIG_USE_OF=y -CONFIG_VECTORS_BASE=0xffff0000 -CONFIG_VERSATILE_FPGA_IRQ=y -CONFIG_VERSATILE_FPGA_IRQ_NR=4 -CONFIG_VFAT_FS=y -# CONFIG_VFP is not set -# CONFIG_VLAN_8021Q is not set -CONFIG_VM_EVENT_COUNTERS=y -# CONFIG_WATCHDOG is not set -# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set -CONFIG_XZ_DEC_ARM=y -CONFIG_XZ_DEC_BCJ=y -CONFIG_XZ_DEC_IA64=y -CONFIG_XZ_DEC_POWERPC=y -CONFIG_XZ_DEC_SPARC=y -CONFIG_XZ_DEC_X86=y -CONFIG_ZBOOT_ROM_BSS=0 -CONFIG_ZBOOT_ROM_TEXT=0 -CONFIG_ZLIB_INFLATE=y diff --git a/target/linux/oxnas/files-4.14/drivers/pci/host/pcie-oxnas.c b/target/linux/oxnas/files-4.14/drivers/pci/host/pcie-oxnas.c deleted file mode 100644 index 1dd13f9364..0000000000 --- a/target/linux/oxnas/files-4.14/drivers/pci/host/pcie-oxnas.c +++ /dev/null @@ -1,672 +0,0 @@ -/* - * PCIe driver for PLX NAS782X SoCs - * - * Author: Ma Haijun - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define SYS_CTRL_HCSL_CTRL_REGOFFSET 0x114 - -static inline void oxnas_register_clear_mask(void __iomem *p, unsigned mask) -{ - u32 val = readl_relaxed(p); - - val &= ~mask; - writel_relaxed(val, p); -} - -static inline void oxnas_register_set_mask(void __iomem *p, unsigned mask) -{ - u32 val = readl_relaxed(p); - - val |= mask; - writel_relaxed(val, p); -} - -static inline void oxnas_register_value_mask(void __iomem *p, - unsigned mask, unsigned new_value) -{ - /* TODO sanity check mask & new_value = new_value */ - u32 val = readl_relaxed(p); - - val &= ~mask; - val |= new_value; - writel_relaxed(val, p); -} - -#define VERSION_ID_MAGIC 0x082510b5 -#define LINK_UP_TIMEOUT_SECONDS 1 -#define NUM_CONTROLLERS 1 - -enum { - PCIE_DEVICE_TYPE_MASK = 0x0F, - PCIE_DEVICE_TYPE_ENDPOINT = 0, - PCIE_DEVICE_TYPE_LEGACY_ENDPOINT = 1, - PCIE_DEVICE_TYPE_ROOT = 4, - - PCIE_LTSSM = BIT(4), - PCIE_READY_ENTR_L23 = BIT(9), - PCIE_LINK_UP = BIT(11), - PCIE_OBTRANS = BIT(12), -}; - -/* core config registers */ -enum { - PCI_CONFIG_VERSION_DEVICEID = 0, - PCI_CONFIG_COMMAND_STATUS = 4, -}; - -/* inbound config registers */ -enum { - IB_ADDR_XLATE_ENABLE = 0xFC, - - /* bits */ - ENABLE_IN_ADDR_TRANS = BIT(0), -}; - -/* outbound config registers, offset relative to PCIE_POM0_MEM_ADDR */ -enum { - PCIE_POM0_MEM_ADDR = 0, - PCIE_POM1_MEM_ADDR = 4, - PCIE_IN0_MEM_ADDR = 8, - PCIE_IN1_MEM_ADDR = 12, - PCIE_IN_IO_ADDR = 16, - PCIE_IN_CFG0_ADDR = 20, - PCIE_IN_CFG1_ADDR = 24, - PCIE_IN_MSG_ADDR = 28, - PCIE_IN0_MEM_LIMIT = 32, - PCIE_IN1_MEM_LIMIT = 36, - PCIE_IN_IO_LIMIT = 40, - PCIE_IN_CFG0_LIMIT = 44, - PCIE_IN_CFG1_LIMIT = 48, - PCIE_IN_MSG_LIMIT = 52, - PCIE_AHB_SLAVE_CTRL = 56, - - PCIE_SLAVE_BE_SHIFT = 22, -}; - -#define PCIE_SLAVE_BE(val) ((val) << PCIE_SLAVE_BE_SHIFT) -#define PCIE_SLAVE_BE_MASK PCIE_SLAVE_BE(0xF) - -struct oxnas_pcie_shared { - /* seems all access are serialized, no lock required */ - int refcount; -}; - -/* Structure representing one PCIe interfaces */ -struct oxnas_pcie { - void __iomem *cfgbase; - void __iomem *base; - void __iomem *inbound; - struct regmap *sys_ctrl; - unsigned int outbound_offset; - unsigned int pcie_ctrl_offset; - struct phy *phy; - int haslink; - struct platform_device *pdev; - struct resource io; - struct resource cfg; - struct resource pre_mem; /* prefetchable */ - struct resource non_mem; /* non-prefetchable */ - struct resource busn; /* max available bus numbers */ - int card_reset; /* gpio pin, optional */ - unsigned hcsl_en; /* hcsl pci enable bit */ - struct clk *clk; - struct clk *busclk; /* for pcie bus, actually the PLLB */ - void *private_data[1]; - spinlock_t lock; -}; - -static struct oxnas_pcie_shared pcie_shared = { - .refcount = 0, -}; - -static inline struct oxnas_pcie *sys_to_pcie(struct pci_sys_data *sys) -{ - return sys->private_data; -} - - -static inline void set_out_lanes(struct oxnas_pcie *pcie, unsigned lanes) -{ - regmap_update_bits(pcie->sys_ctrl, pcie->outbound_offset + PCIE_AHB_SLAVE_CTRL, - PCIE_SLAVE_BE_MASK, PCIE_SLAVE_BE(lanes)); - wmb(); -} - -static int oxnas_pcie_link_up(struct oxnas_pcie *pcie) -{ - unsigned long end; - unsigned int val; - - /* Poll for PCIE link up */ - end = jiffies + (LINK_UP_TIMEOUT_SECONDS * HZ); - while (!time_after(jiffies, end)) { - regmap_read(pcie->sys_ctrl, pcie->pcie_ctrl_offset, &val); - if (val & PCIE_LINK_UP) - return 1; - } - return 0; -} - -static void oxnas_pcie_setup_hw(struct oxnas_pcie *pcie) -{ - /* We won't have any inbound address translation. This allows PCI - * devices to access anywhere in the AHB address map. Might be regarded - * as a bit dangerous, but let's get things working before we worry - * about that - */ - oxnas_register_clear_mask(pcie->inbound + IB_ADDR_XLATE_ENABLE, - ENABLE_IN_ADDR_TRANS); - wmb(); - - /* - * Program outbound translation windows - * - * Outbound window is what is referred to as "PCI client" region in HRM - * - * Could use the larger alternative address space to get >>64M regions - * for graphics cards etc., but will not bother at this point. - * - * IP bug means that AMBA window size must be a power of 2 - * - * Set mem0 window for first 16MB of outbound window non-prefetchable - * Set mem1 window for second 16MB of outbound window prefetchable - * Set io window for next 16MB of outbound window - * Set cfg0 for final 1MB of outbound window - * - * Ignore mem1, cfg1 and msg windows for now as no obvious use cases for - * 820 that would need them - * - * Probably ideally want no offset between mem0 window start as seen by - * ARM and as seen on PCI bus and get Linux to assign memory regions to - * PCI devices using the same "PCI client" region start address as seen - * by ARM - */ - - /* Set PCIeA mem0 region to be 1st 16MB of the 64MB PCIeA window */ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN0_MEM_ADDR, pcie->non_mem.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN0_MEM_LIMIT, pcie->non_mem.end); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_POM0_MEM_ADDR, pcie->non_mem.start); - - /* Set PCIeA mem1 region to be 2nd 16MB of the 64MB PCIeA window */ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN1_MEM_ADDR, pcie->pre_mem.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN1_MEM_LIMIT, pcie->pre_mem.end); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_POM1_MEM_ADDR, pcie->pre_mem.start); - - /* Set PCIeA io to be third 16M region of the 64MB PCIeA window*/ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_IO_ADDR, pcie->io.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_IO_LIMIT, pcie->io.end); - - - /* Set PCIeA cgf0 to be last 16M region of the 64MB PCIeA window*/ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_CFG0_ADDR, pcie->cfg.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_CFG0_LIMIT, pcie->cfg.end); - wmb(); - - /* Enable outbound address translation */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, PCIE_OBTRANS, PCIE_OBTRANS); - wmb(); - - /* - * Program PCIe command register for core to: - * enable memory space - * enable bus master - * enable io - */ - writel_relaxed(7, pcie->base + PCI_CONFIG_COMMAND_STATUS); - /* which is which */ - wmb(); -} - -static unsigned oxnas_pcie_cfg_to_offset( - struct pci_sys_data *sys, - unsigned char bus_number, - unsigned int devfn, - int where) -{ - unsigned int function = PCI_FUNC(devfn); - unsigned int slot = PCI_SLOT(devfn); - unsigned char bus_number_offset; - - bus_number_offset = bus_number - sys->busnr; - - /* - * We'll assume for now that the offset, function, slot, bus encoding - * should map onto linear, contiguous addresses in PCIe config space, - * albeit that the majority will be unused as only slot 0 is valid for - * any PCIe bus and most devices have only function 0 - * - * Could be that PCIe in fact works by not encoding the slot number into - * the config space address as it's known that only slot 0 is valid. - * We'll have to experiment if/when we get a PCIe switch connected to - * the PCIe host - */ - return (bus_number_offset << 20) | (slot << 15) | (function << 12) | - (where & ~3); -} - -/* PCI configuration space write function */ -static int oxnas_pcie_wr_conf(struct pci_bus *bus, u32 devfn, - int where, int size, u32 val) -{ - unsigned long flags; - struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata); - unsigned offset; - u32 value; - u32 lanes; - - /* Only a single device per bus for PCIe point-to-point links */ - if (PCI_SLOT(devfn) > 0) - return PCIBIOS_DEVICE_NOT_FOUND; - - if (!pcie->haslink) - return PCIBIOS_DEVICE_NOT_FOUND; - - offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn, - where); - - value = val << (8 * (where & 3)); - lanes = (0xf >> (4-size)) << (where & 3); - /* it race with mem and io write, but the possibility is low, normally - * all config writes happens at driver initialize stage, wont interleave - * with others. - * and many pcie cards use dword (4bytes) access mem/io access only, - * so not bother to copy that ugly work-around now. */ - spin_lock_irqsave(&pcie->lock, flags); - set_out_lanes(pcie, lanes); - writel_relaxed(value, pcie->cfgbase + offset); - set_out_lanes(pcie, 0xf); - spin_unlock_irqrestore(&pcie->lock, flags); - - return PCIBIOS_SUCCESSFUL; -} - -/* PCI configuration space read function */ -static int oxnas_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, - int size, u32 *val) -{ - struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata); - unsigned offset; - u32 value; - u32 left_bytes, right_bytes; - - /* Only a single device per bus for PCIe point-to-point links */ - if (PCI_SLOT(devfn) > 0) { - *val = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - - if (!pcie->haslink) { - *val = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - - offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn, - where); - value = readl_relaxed(pcie->cfgbase + offset); - left_bytes = where & 3; - right_bytes = 4 - left_bytes - size; - value <<= right_bytes * 8; - value >>= (left_bytes + right_bytes) * 8; - *val = value; - - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops oxnas_pcie_ops = { - .read = oxnas_pcie_rd_conf, - .write = oxnas_pcie_wr_conf, -}; - -static int oxnas_pcie_setup(int nr, struct pci_sys_data *sys) -{ - struct oxnas_pcie *pcie = sys_to_pcie(sys); - - pci_add_resource_offset(&sys->resources, &pcie->non_mem, sys->mem_offset); - pci_add_resource_offset(&sys->resources, &pcie->pre_mem, sys->mem_offset); - pci_add_resource_offset(&sys->resources, &pcie->io, sys->io_offset); - pci_add_resource(&sys->resources, &pcie->busn); - if (sys->busnr == 0) { /* default one */ - sys->busnr = pcie->busn.start; - } - /* do not use devm_ioremap_resource, it does not like cfg resource */ - pcie->cfgbase = devm_ioremap(&pcie->pdev->dev, pcie->cfg.start, - resource_size(&pcie->cfg)); - if (!pcie->cfgbase) - return -ENOMEM; - - oxnas_pcie_setup_hw(pcie); - - return 1; -} - -static void oxnas_pcie_enable(struct device *dev, struct oxnas_pcie *pcie) -{ - struct hw_pci hw; - int i; - - memset(&hw, 0, sizeof(hw)); - for (i = 0; i < NUM_CONTROLLERS; i++) - pcie->private_data[i] = pcie; - - hw.nr_controllers = NUM_CONTROLLERS; -/* I think use stack pointer is a bad idea though it is valid in this case */ - hw.private_data = pcie->private_data; - hw.setup = oxnas_pcie_setup; - hw.map_irq = of_irq_parse_and_map_pci; - hw.ops = &oxnas_pcie_ops; - - /* pass dev to maintain of tree, interrupt mapping rely on this */ - pci_common_init_dev(dev, &hw); -} - -static int oxnas_pcie_shared_init(struct platform_device *pdev, struct oxnas_pcie *pcie) -{ - if (++pcie_shared.refcount == 1) { - phy_init(pcie->phy); - phy_power_on(pcie->phy); - return 0; - } else { - return 0; - } -} - -#if 0 -/* maybe we will call it when enter low power state */ -static void oxnas_pcie_shared_deinit(struct platform_device *pdev) -{ - if (--pcie_shared.refcount == 0) { - /* no cleanup needed */; - } -} -#endif - -static int -oxnas_pcie_map_registers(struct platform_device *pdev, - struct device_node *np, - struct oxnas_pcie *pcie) -{ - struct resource regs; - int ret = 0; - u32 outbound_ctrl_offset; - u32 pcie_ctrl_offset; - - ret = of_address_to_resource(np, 0, ®s); - if (ret) { - dev_err(&pdev->dev, "failed to parse base register space\n"); - return -EINVAL; - } - - pcie->base = devm_ioremap_resource(&pdev->dev, ®s); - if (!pcie->base) { - dev_err(&pdev->dev, "failed to map base register space\n"); - return -ENOMEM; - } - - ret = of_address_to_resource(np, 1, ®s); - if (ret) { - dev_err(&pdev->dev, "failed to parse inbound register space\n"); - return -EINVAL; - } - - pcie->inbound = devm_ioremap_resource(&pdev->dev, ®s); - if (!pcie->inbound) { - dev_err(&pdev->dev, "failed to map inbound register space\n"); - return -ENOMEM; - } - - pcie->phy = devm_of_phy_get(&pdev->dev, np, NULL); - if (IS_ERR(pcie->phy)) { - if (PTR_ERR(pcie->phy) == -EPROBE_DEFER) { - dev_err(&pdev->dev, "failed to probe phy\n"); - return PTR_ERR(pcie->phy); - } - dev_warn(&pdev->dev, "phy not attached\n"); - pcie->phy = NULL; - } - - if (of_property_read_u32(np, "plxtech,pcie-outbound-offset", - &outbound_ctrl_offset)) { - dev_err(&pdev->dev, "failed to parse outbound register offset\n"); - return -EINVAL; - } - pcie->outbound_offset = outbound_ctrl_offset; - - if (of_property_read_u32(np, "plxtech,pcie-ctrl-offset", - &pcie_ctrl_offset)) { - dev_err(&pdev->dev, "failed to parse pcie-ctrl register offset\n"); - return -EINVAL; - } - pcie->pcie_ctrl_offset = pcie_ctrl_offset; - - return 0; -} - -static int oxnas_pcie_init_res(struct platform_device *pdev, - struct oxnas_pcie *pcie, - struct device_node *np) -{ - struct of_pci_range range; - struct of_pci_range_parser parser; - int ret; - - if (of_pci_range_parser_init(&parser, np)) - return -EINVAL; - - /* Get the I/O and memory ranges from DT */ - for_each_of_pci_range(&parser, &range) { - - unsigned long restype = range.flags & IORESOURCE_TYPE_BITS; - if (restype == IORESOURCE_IO) { - of_pci_range_to_resource(&range, np, &pcie->io); - pcie->io.name = "I/O"; - } - if (restype == IORESOURCE_MEM) { - if (range.flags & IORESOURCE_PREFETCH) { - of_pci_range_to_resource(&range, np, &pcie->pre_mem); - pcie->pre_mem.name = "PRE MEM"; - } else { - of_pci_range_to_resource(&range, np, &pcie->non_mem); - pcie->non_mem.name = "NON MEM"; - } - - } - if (restype == 0) - of_pci_range_to_resource(&range, np, &pcie->cfg); - } - - /* Get the bus range */ - ret = of_pci_parse_bus_range(np, &pcie->busn); - - if (ret) { - dev_err(&pdev->dev, "failed to parse bus-range property: %d\n", - ret); - return ret; - } - - pcie->card_reset = of_get_gpio(np, 0); - if (pcie->card_reset < 0) - dev_info(&pdev->dev, "card reset gpio pin not exists\n"); - - if (of_property_read_u32(np, "plxtech,pcie-hcsl-bit", &pcie->hcsl_en)) - return -EINVAL; - - pcie->clk = of_clk_get_by_name(np, "pcie"); - if (IS_ERR(pcie->clk)) { - return PTR_ERR(pcie->clk); - } - - pcie->busclk = of_clk_get_by_name(np, "busclk"); - if (IS_ERR(pcie->busclk)) { - clk_put(pcie->clk); - return PTR_ERR(pcie->busclk); - } - - return 0; -} - -static void oxnas_pcie_init_hw(struct platform_device *pdev, - struct oxnas_pcie *pcie) -{ - u32 version_id; - int ret; - - clk_prepare_enable(pcie->busclk); - - /* reset PCIe cards use hard-wired gpio pin */ - if (pcie->card_reset >= 0 && - !gpio_direction_output(pcie->card_reset, 0)) { - wmb(); - mdelay(10); - /* must tri-state the pin to pull it up */ - gpio_direction_input(pcie->card_reset); - wmb(); - mdelay(100); - } - - /* ToDo: use phy power-on port... */ - regmap_update_bits(pcie->sys_ctrl, SYS_CTRL_HCSL_CTRL_REGOFFSET, - BIT(pcie->hcsl_en), BIT(pcie->hcsl_en)); - - /* core */ - ret = device_reset(&pdev->dev); - if (ret) { - dev_err(&pdev->dev, "core reset failed %d\n", ret); - return; - } - - /* Start PCIe core clocks */ - clk_prepare_enable(pcie->clk); - - version_id = readl_relaxed(pcie->base + PCI_CONFIG_VERSION_DEVICEID); - dev_info(&pdev->dev, "PCIe version/deviceID 0x%x\n", version_id); - - if (version_id != VERSION_ID_MAGIC) { - dev_info(&pdev->dev, "PCIe controller not found\n"); - pcie->haslink = 0; - return; - } - - /* allow entry to L23 state */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, - PCIE_READY_ENTR_L23, PCIE_READY_ENTR_L23); - - /* Set PCIe core into RootCore mode */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, - PCIE_DEVICE_TYPE_MASK, PCIE_DEVICE_TYPE_ROOT); - wmb(); - - /* Bring up the PCI core */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, - PCIE_LTSSM, PCIE_LTSSM); - wmb(); -} - -static int oxnas_pcie_probe(struct platform_device *pdev) -{ - struct oxnas_pcie *pcie; - struct device_node *np = pdev->dev.of_node; - int ret; - - pcie = devm_kzalloc(&pdev->dev, sizeof(struct oxnas_pcie), - GFP_KERNEL); - if (!pcie) - return -ENOMEM; - - pcie->pdev = pdev; - pcie->haslink = 1; - spin_lock_init(&pcie->lock); - - pcie->sys_ctrl = syscon_regmap_lookup_by_compatible("oxsemi,ox820-sys-ctrl"); - if (IS_ERR(pcie->sys_ctrl)) - return PTR_ERR(pcie->sys_ctrl); - - ret = oxnas_pcie_init_res(pdev, pcie, np); - if (ret) - return ret; - if (pcie->card_reset >= 0) { - ret = gpio_request_one(pcie->card_reset, GPIOF_DIR_IN, - dev_name(&pdev->dev)); - if (ret) { - dev_err(&pdev->dev, "cannot request gpio pin %d\n", - pcie->card_reset); - return ret; - } - } - - ret = oxnas_pcie_map_registers(pdev, np, pcie); - if (ret) { - dev_err(&pdev->dev, "cannot map registers\n"); - goto err_free_gpio; - } - - ret = oxnas_pcie_shared_init(pdev, pcie); - if (ret) - goto err_free_gpio; - - /* if hw not found, haslink cleared */ - oxnas_pcie_init_hw(pdev, pcie); - - if (pcie->haslink && oxnas_pcie_link_up(pcie)) { - pcie->haslink = 1; - dev_info(&pdev->dev, "link up\n"); - } else { - pcie->haslink = 0; - dev_info(&pdev->dev, "link down\n"); - } - /* should we register our controller even when pcie->haslink is 0 ? */ - /* register the controller with framework */ - oxnas_pcie_enable(&pdev->dev, pcie); - - return 0; - -err_free_gpio: - if (pcie->card_reset) - gpio_free(pcie->card_reset); - - return ret; -} - -static const struct of_device_id oxnas_pcie_of_match_table[] = { - { .compatible = "plxtech,nas782x-pcie", }, - {}, -}; - -static struct platform_driver oxnas_pcie_driver = { - .driver = { - .name = "oxnas-pcie", - .suppress_bind_attrs = true, - .of_match_table = oxnas_pcie_of_match_table, - }, - .probe = oxnas_pcie_probe, -}; - -builtin_platform_driver(oxnas_pcie_driver); diff --git a/target/linux/oxnas/files-4.14/drivers/phy/phy-oxnas-pcie.c b/target/linux/oxnas/files-4.14/drivers/phy/phy-oxnas-pcie.c deleted file mode 100644 index 676a5f9332..0000000000 --- a/target/linux/oxnas/files-4.14/drivers/phy/phy-oxnas-pcie.c +++ /dev/null @@ -1,150 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2019 Daniel Golle - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define ADDR_VAL(val) ((val) & 0xFFFF) -#define DATA_VAL(val) ((val) & 0xFFFF) - -#define SYS_CTRL_HCSL_CTRL_REGOFFSET 0x114 - -enum { - HCSL_BIAS_ON = BIT(0), - HCSL_PCIE_EN = BIT(1), - HCSL_PCIEA_EN = BIT(2), - HCSL_PCIEB_EN = BIT(3), -}; - -enum { - /* pcie phy reg offset */ - PHY_ADDR = 0, - PHY_DATA = 4, - /* phy data reg bits */ - READ_EN = BIT(16), - WRITE_EN = BIT(17), - CAP_DATA = BIT(18), -}; - -struct oxnas_pcie_phy { - struct device *dev; - void __iomem *membase; - const struct phy_ops *ops; - struct regmap *sys_ctrl; -}; - -static int oxnas_pcie_phy_init(struct phy *phy) -{ - struct oxnas_pcie_phy *pciephy = phy_get_drvdata(phy); - struct reset_control *rstc; - int ret; - - /* generate clocks from HCSL buffers, shared parts */ - regmap_write(pciephy->sys_ctrl, SYS_CTRL_HCSL_CTRL_REGOFFSET, HCSL_BIAS_ON|HCSL_PCIE_EN); - - /* Ensure PCIe PHY is properly reset */ - rstc = reset_control_get(pciephy->dev, "phy"); - if (IS_ERR(rstc)) { - ret = PTR_ERR(rstc); - } else { - ret = reset_control_reset(rstc); - reset_control_put(rstc); - } - - if (ret) { - dev_err(pciephy->dev, "phy reset failed %d\n", ret); - return ret; - } - - return 0; -} - -static int oxnas_pcie_phy_power_on(struct phy *phy) -{ - struct oxnas_pcie_phy *pciephy = phy_get_drvdata(phy); - - /* Enable PCIe Pre-Emphasis: What these value means? */ - writel(ADDR_VAL(0x0014), pciephy->membase + PHY_ADDR); - writel(DATA_VAL(0xce10) | CAP_DATA, pciephy->membase + PHY_DATA); - writel(DATA_VAL(0xce10) | WRITE_EN, pciephy->membase + PHY_DATA); - - writel(ADDR_VAL(0x2004), pciephy->membase + PHY_ADDR); - writel(DATA_VAL(0x82c7) | CAP_DATA, pciephy->membase + PHY_DATA); - writel(DATA_VAL(0x82c7) | WRITE_EN, pciephy->membase + PHY_DATA); - - return 0; -} - -static const struct phy_ops ops = { - .init = oxnas_pcie_phy_init, - .power_on = oxnas_pcie_phy_power_on, - .owner = THIS_MODULE, -}; - -static int oxnas_pcie_phy_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct device_node *np = pdev->dev.of_node; - struct phy *generic_phy; - struct phy_provider *phy_provider; - struct oxnas_pcie_phy *pciephy; - struct regmap *sys_ctrl; - void __iomem *membase; - - membase = of_iomap(np, 0); - if (IS_ERR(membase)) - return PTR_ERR(membase); - - sys_ctrl = syscon_regmap_lookup_by_compatible("oxsemi,ox820-sys-ctrl"); - if (IS_ERR(sys_ctrl)) { - dev_err(dev, "Cannot find OX820 SYSCRTL\n"); - return PTR_ERR(sys_ctrl); - } - - pciephy = devm_kzalloc(dev, sizeof(*pciephy), GFP_KERNEL); - if (!pciephy) - return -ENOMEM; - - pciephy->sys_ctrl = sys_ctrl; - pciephy->membase = membase; - pciephy->dev = dev; - pciephy->ops = &ops; - - generic_phy = devm_phy_create(dev, dev->of_node, pciephy->ops); - if (IS_ERR(generic_phy)) { - dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(generic_phy); - } - - phy_set_drvdata(generic_phy, pciephy); - phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - - return PTR_ERR_OR_ZERO(phy_provider); -} - -static const struct of_device_id oxnas_pcie_phy_id_table[] = { - { .compatible = "oxsemi,ox820-pcie-phy" }, - { }, -}; - -static struct platform_driver oxnas_pcie_phy_driver = { - .probe = oxnas_pcie_phy_probe, - .driver = { - .name = "ox820-pcie-phy", - .of_match_table = oxnas_pcie_phy_id_table, - }, -}; - -builtin_platform_driver(oxnas_pcie_phy_driver); diff --git a/target/linux/oxnas/files-5.4/drivers/pci/controller/pcie-oxnas.c b/target/linux/oxnas/files-5.4/drivers/pci/controller/pcie-oxnas.c deleted file mode 100644 index f2145e31b5..0000000000 --- a/target/linux/oxnas/files-5.4/drivers/pci/controller/pcie-oxnas.c +++ /dev/null @@ -1,674 +0,0 @@ -/* - * PCIe driver for PLX NAS782X SoCs - * - * Author: Ma Haijun - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "../pci.h" - -#define SYS_CTRL_HCSL_CTRL_REGOFFSET 0x114 - -static inline void oxnas_register_clear_mask(void __iomem *p, unsigned mask) -{ - u32 val = readl_relaxed(p); - - val &= ~mask; - writel_relaxed(val, p); -} - -static inline void oxnas_register_set_mask(void __iomem *p, unsigned mask) -{ - u32 val = readl_relaxed(p); - - val |= mask; - writel_relaxed(val, p); -} - -static inline void oxnas_register_value_mask(void __iomem *p, - unsigned mask, unsigned new_value) -{ - /* TODO sanity check mask & new_value = new_value */ - u32 val = readl_relaxed(p); - - val &= ~mask; - val |= new_value; - writel_relaxed(val, p); -} - -#define VERSION_ID_MAGIC 0x082510b5 -#define LINK_UP_TIMEOUT_SECONDS 1 -#define NUM_CONTROLLERS 1 - -enum { - PCIE_DEVICE_TYPE_MASK = 0x0F, - PCIE_DEVICE_TYPE_ENDPOINT = 0, - PCIE_DEVICE_TYPE_LEGACY_ENDPOINT = 1, - PCIE_DEVICE_TYPE_ROOT = 4, - - PCIE_LTSSM = BIT(4), - PCIE_READY_ENTR_L23 = BIT(9), - PCIE_LINK_UP = BIT(11), - PCIE_OBTRANS = BIT(12), -}; - -/* core config registers */ -enum { - PCI_CONFIG_VERSION_DEVICEID = 0, - PCI_CONFIG_COMMAND_STATUS = 4, -}; - -/* inbound config registers */ -enum { - IB_ADDR_XLATE_ENABLE = 0xFC, - - /* bits */ - ENABLE_IN_ADDR_TRANS = BIT(0), -}; - -/* outbound config registers, offset relative to PCIE_POM0_MEM_ADDR */ -enum { - PCIE_POM0_MEM_ADDR = 0, - PCIE_POM1_MEM_ADDR = 4, - PCIE_IN0_MEM_ADDR = 8, - PCIE_IN1_MEM_ADDR = 12, - PCIE_IN_IO_ADDR = 16, - PCIE_IN_CFG0_ADDR = 20, - PCIE_IN_CFG1_ADDR = 24, - PCIE_IN_MSG_ADDR = 28, - PCIE_IN0_MEM_LIMIT = 32, - PCIE_IN1_MEM_LIMIT = 36, - PCIE_IN_IO_LIMIT = 40, - PCIE_IN_CFG0_LIMIT = 44, - PCIE_IN_CFG1_LIMIT = 48, - PCIE_IN_MSG_LIMIT = 52, - PCIE_AHB_SLAVE_CTRL = 56, - - PCIE_SLAVE_BE_SHIFT = 22, -}; - -#define PCIE_SLAVE_BE(val) ((val) << PCIE_SLAVE_BE_SHIFT) -#define PCIE_SLAVE_BE_MASK PCIE_SLAVE_BE(0xF) - -struct oxnas_pcie_shared { - /* seems all access are serialized, no lock required */ - int refcount; -}; - -/* Structure representing one PCIe interfaces */ -struct oxnas_pcie { - void __iomem *cfgbase; - void __iomem *base; - void __iomem *inbound; - struct regmap *sys_ctrl; - unsigned int outbound_offset; - unsigned int pcie_ctrl_offset; - struct phy *phy; - int haslink; - struct platform_device *pdev; - struct resource io; - struct resource cfg; - struct resource pre_mem; /* prefetchable */ - struct resource non_mem; /* non-prefetchable */ - struct resource busn; /* max available bus numbers */ - int card_reset; /* gpio pin, optional */ - unsigned hcsl_en; /* hcsl pci enable bit */ - struct clk *clk; - struct clk *busclk; /* for pcie bus, actually the PLLB */ - void *private_data[1]; - spinlock_t lock; -}; - -static struct oxnas_pcie_shared pcie_shared = { - .refcount = 0, -}; - -static inline struct oxnas_pcie *sys_to_pcie(struct pci_sys_data *sys) -{ - return sys->private_data; -} - - -static inline void set_out_lanes(struct oxnas_pcie *pcie, unsigned lanes) -{ - regmap_update_bits(pcie->sys_ctrl, pcie->outbound_offset + PCIE_AHB_SLAVE_CTRL, - PCIE_SLAVE_BE_MASK, PCIE_SLAVE_BE(lanes)); - wmb(); -} - -static int oxnas_pcie_link_up(struct oxnas_pcie *pcie) -{ - unsigned long end; - unsigned int val; - - /* Poll for PCIE link up */ - end = jiffies + (LINK_UP_TIMEOUT_SECONDS * HZ); - while (!time_after(jiffies, end)) { - regmap_read(pcie->sys_ctrl, pcie->pcie_ctrl_offset, &val); - if (val & PCIE_LINK_UP) - return 1; - } - return 0; -} - -static void oxnas_pcie_setup_hw(struct oxnas_pcie *pcie) -{ - /* We won't have any inbound address translation. This allows PCI - * devices to access anywhere in the AHB address map. Might be regarded - * as a bit dangerous, but let's get things working before we worry - * about that - */ - oxnas_register_clear_mask(pcie->inbound + IB_ADDR_XLATE_ENABLE, - ENABLE_IN_ADDR_TRANS); - wmb(); - - /* - * Program outbound translation windows - * - * Outbound window is what is referred to as "PCI client" region in HRM - * - * Could use the larger alternative address space to get >>64M regions - * for graphics cards etc., but will not bother at this point. - * - * IP bug means that AMBA window size must be a power of 2 - * - * Set mem0 window for first 16MB of outbound window non-prefetchable - * Set mem1 window for second 16MB of outbound window prefetchable - * Set io window for next 16MB of outbound window - * Set cfg0 for final 1MB of outbound window - * - * Ignore mem1, cfg1 and msg windows for now as no obvious use cases for - * 820 that would need them - * - * Probably ideally want no offset between mem0 window start as seen by - * ARM and as seen on PCI bus and get Linux to assign memory regions to - * PCI devices using the same "PCI client" region start address as seen - * by ARM - */ - - /* Set PCIeA mem0 region to be 1st 16MB of the 64MB PCIeA window */ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN0_MEM_ADDR, pcie->non_mem.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN0_MEM_LIMIT, pcie->non_mem.end); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_POM0_MEM_ADDR, pcie->non_mem.start); - - /* Set PCIeA mem1 region to be 2nd 16MB of the 64MB PCIeA window */ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN1_MEM_ADDR, pcie->pre_mem.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN1_MEM_LIMIT, pcie->pre_mem.end); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_POM1_MEM_ADDR, pcie->pre_mem.start); - - /* Set PCIeA io to be third 16M region of the 64MB PCIeA window*/ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_IO_ADDR, pcie->io.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_IO_LIMIT, pcie->io.end); - - - /* Set PCIeA cgf0 to be last 16M region of the 64MB PCIeA window*/ - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_CFG0_ADDR, pcie->cfg.start); - regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_CFG0_LIMIT, pcie->cfg.end); - wmb(); - - /* Enable outbound address translation */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, PCIE_OBTRANS, PCIE_OBTRANS); - wmb(); - - /* - * Program PCIe command register for core to: - * enable memory space - * enable bus master - * enable io - */ - writel_relaxed(7, pcie->base + PCI_CONFIG_COMMAND_STATUS); - /* which is which */ - wmb(); -} - -static unsigned oxnas_pcie_cfg_to_offset( - struct pci_sys_data *sys, - unsigned char bus_number, - unsigned int devfn, - int where) -{ - unsigned int function = PCI_FUNC(devfn); - unsigned int slot = PCI_SLOT(devfn); - unsigned char bus_number_offset; - - bus_number_offset = bus_number - sys->busnr; - - /* - * We'll assume for now that the offset, function, slot, bus encoding - * should map onto linear, contiguous addresses in PCIe config space, - * albeit that the majority will be unused as only slot 0 is valid for - * any PCIe bus and most devices have only function 0 - * - * Could be that PCIe in fact works by not encoding the slot number into - * the config space address as it's known that only slot 0 is valid. - * We'll have to experiment if/when we get a PCIe switch connected to - * the PCIe host - */ - return (bus_number_offset << 20) | (slot << 15) | (function << 12) | - (where & ~3); -} - -/* PCI configuration space write function */ -static int oxnas_pcie_wr_conf(struct pci_bus *bus, u32 devfn, - int where, int size, u32 val) -{ - unsigned long flags; - struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata); - unsigned offset; - u32 value; - u32 lanes; - - /* Only a single device per bus for PCIe point-to-point links */ - if (PCI_SLOT(devfn) > 0) - return PCIBIOS_DEVICE_NOT_FOUND; - - if (!pcie->haslink) - return PCIBIOS_DEVICE_NOT_FOUND; - - offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn, - where); - - value = val << (8 * (where & 3)); - lanes = (0xf >> (4-size)) << (where & 3); - /* it race with mem and io write, but the possibility is low, normally - * all config writes happens at driver initialize stage, wont interleave - * with others. - * and many pcie cards use dword (4bytes) access mem/io access only, - * so not bother to copy that ugly work-around now. */ - spin_lock_irqsave(&pcie->lock, flags); - set_out_lanes(pcie, lanes); - writel_relaxed(value, pcie->cfgbase + offset); - set_out_lanes(pcie, 0xf); - spin_unlock_irqrestore(&pcie->lock, flags); - - return PCIBIOS_SUCCESSFUL; -} - -/* PCI configuration space read function */ -static int oxnas_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, - int size, u32 *val) -{ - struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata); - unsigned offset; - u32 value; - u32 left_bytes, right_bytes; - - /* Only a single device per bus for PCIe point-to-point links */ - if (PCI_SLOT(devfn) > 0) { - *val = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - - if (!pcie->haslink) { - *val = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - - offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn, - where); - value = readl_relaxed(pcie->cfgbase + offset); - left_bytes = where & 3; - right_bytes = 4 - left_bytes - size; - value <<= right_bytes * 8; - value >>= (left_bytes + right_bytes) * 8; - *val = value; - - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops oxnas_pcie_ops = { - .read = oxnas_pcie_rd_conf, - .write = oxnas_pcie_wr_conf, -}; - -static int oxnas_pcie_setup(int nr, struct pci_sys_data *sys) -{ - struct oxnas_pcie *pcie = sys_to_pcie(sys); - - pci_add_resource_offset(&sys->resources, &pcie->non_mem, sys->mem_offset); - pci_add_resource_offset(&sys->resources, &pcie->pre_mem, sys->mem_offset); - pci_add_resource_offset(&sys->resources, &pcie->io, sys->io_offset); - pci_add_resource(&sys->resources, &pcie->busn); - if (sys->busnr == 0) { /* default one */ - sys->busnr = pcie->busn.start; - } - /* do not use devm_ioremap_resource, it does not like cfg resource */ - pcie->cfgbase = devm_ioremap(&pcie->pdev->dev, pcie->cfg.start, - resource_size(&pcie->cfg)); - if (!pcie->cfgbase) - return -ENOMEM; - - oxnas_pcie_setup_hw(pcie); - - return 1; -} - -static void oxnas_pcie_enable(struct device *dev, struct oxnas_pcie *pcie) -{ - struct hw_pci hw; - int i; - - memset(&hw, 0, sizeof(hw)); - for (i = 0; i < NUM_CONTROLLERS; i++) - pcie->private_data[i] = pcie; - - hw.nr_controllers = NUM_CONTROLLERS; -/* I think use stack pointer is a bad idea though it is valid in this case */ - hw.private_data = pcie->private_data; - hw.setup = oxnas_pcie_setup; - hw.map_irq = of_irq_parse_and_map_pci; - hw.ops = &oxnas_pcie_ops; - - /* pass dev to maintain of tree, interrupt mapping rely on this */ - pci_common_init_dev(dev, &hw); -} - -static int oxnas_pcie_shared_init(struct platform_device *pdev, struct oxnas_pcie *pcie) -{ - if (++pcie_shared.refcount == 1) { - phy_init(pcie->phy); - phy_power_on(pcie->phy); - return 0; - } else { - return 0; - } -} - -#if 0 -/* maybe we will call it when enter low power state */ -static void oxnas_pcie_shared_deinit(struct platform_device *pdev) -{ - if (--pcie_shared.refcount == 0) { - /* no cleanup needed */; - } -} -#endif - -static int -oxnas_pcie_map_registers(struct platform_device *pdev, - struct device_node *np, - struct oxnas_pcie *pcie) -{ - struct resource regs; - int ret = 0; - u32 outbound_ctrl_offset; - u32 pcie_ctrl_offset; - - ret = of_address_to_resource(np, 0, ®s); - if (ret) { - dev_err(&pdev->dev, "failed to parse base register space\n"); - return -EINVAL; - } - - pcie->base = devm_ioremap_resource(&pdev->dev, ®s); - if (!pcie->base) { - dev_err(&pdev->dev, "failed to map base register space\n"); - return -ENOMEM; - } - - ret = of_address_to_resource(np, 1, ®s); - if (ret) { - dev_err(&pdev->dev, "failed to parse inbound register space\n"); - return -EINVAL; - } - - pcie->inbound = devm_ioremap_resource(&pdev->dev, ®s); - if (!pcie->inbound) { - dev_err(&pdev->dev, "failed to map inbound register space\n"); - return -ENOMEM; - } - - pcie->phy = devm_of_phy_get(&pdev->dev, np, NULL); - if (IS_ERR(pcie->phy)) { - if (PTR_ERR(pcie->phy) == -EPROBE_DEFER) { - dev_err(&pdev->dev, "failed to probe phy\n"); - return PTR_ERR(pcie->phy); - } - dev_warn(&pdev->dev, "phy not attached\n"); - pcie->phy = NULL; - } - - if (of_property_read_u32(np, "plxtech,pcie-outbound-offset", - &outbound_ctrl_offset)) { - dev_err(&pdev->dev, "failed to parse outbound register offset\n"); - return -EINVAL; - } - pcie->outbound_offset = outbound_ctrl_offset; - - if (of_property_read_u32(np, "plxtech,pcie-ctrl-offset", - &pcie_ctrl_offset)) { - dev_err(&pdev->dev, "failed to parse pcie-ctrl register offset\n"); - return -EINVAL; - } - pcie->pcie_ctrl_offset = pcie_ctrl_offset; - - return 0; -} - -static int oxnas_pcie_init_res(struct platform_device *pdev, - struct oxnas_pcie *pcie, - struct device_node *np) -{ - struct of_pci_range range; - struct of_pci_range_parser parser; - int ret; - - if (of_pci_range_parser_init(&parser, np)) - return -EINVAL; - - /* Get the I/O and memory ranges from DT */ - for_each_of_pci_range(&parser, &range) { - - unsigned long restype = range.flags & IORESOURCE_TYPE_BITS; - if (restype == IORESOURCE_IO) { - of_pci_range_to_resource(&range, np, &pcie->io); - pcie->io.name = "I/O"; - } - if (restype == IORESOURCE_MEM) { - if (range.flags & IORESOURCE_PREFETCH) { - of_pci_range_to_resource(&range, np, &pcie->pre_mem); - pcie->pre_mem.name = "PRE MEM"; - } else { - of_pci_range_to_resource(&range, np, &pcie->non_mem); - pcie->non_mem.name = "NON MEM"; - } - - } - if (restype == 0) - of_pci_range_to_resource(&range, np, &pcie->cfg); - } - - /* Get the bus range */ - ret = of_pci_parse_bus_range(np, &pcie->busn); - - if (ret) { - dev_err(&pdev->dev, "failed to parse bus-range property: %d\n", - ret); - return ret; - } - - pcie->card_reset = of_get_gpio(np, 0); - if (pcie->card_reset < 0) - dev_info(&pdev->dev, "card reset gpio pin not exists\n"); - - if (of_property_read_u32(np, "plxtech,pcie-hcsl-bit", &pcie->hcsl_en)) - return -EINVAL; - - pcie->clk = of_clk_get_by_name(np, "pcie"); - if (IS_ERR(pcie->clk)) { - return PTR_ERR(pcie->clk); - } - - pcie->busclk = of_clk_get_by_name(np, "busclk"); - if (IS_ERR(pcie->busclk)) { - clk_put(pcie->clk); - return PTR_ERR(pcie->busclk); - } - - return 0; -} - -static void oxnas_pcie_init_hw(struct platform_device *pdev, - struct oxnas_pcie *pcie) -{ - u32 version_id; - int ret; - - clk_prepare_enable(pcie->busclk); - - /* reset PCIe cards use hard-wired gpio pin */ - if (pcie->card_reset >= 0 && - !gpio_direction_output(pcie->card_reset, 0)) { - wmb(); - mdelay(10); - /* must tri-state the pin to pull it up */ - gpio_direction_input(pcie->card_reset); - wmb(); - mdelay(100); - } - - /* ToDo: use phy power-on port... */ - regmap_update_bits(pcie->sys_ctrl, SYS_CTRL_HCSL_CTRL_REGOFFSET, - BIT(pcie->hcsl_en), BIT(pcie->hcsl_en)); - - /* core */ - ret = device_reset(&pdev->dev); - if (ret) { - dev_err(&pdev->dev, "core reset failed %d\n", ret); - return; - } - - /* Start PCIe core clocks */ - clk_prepare_enable(pcie->clk); - - version_id = readl_relaxed(pcie->base + PCI_CONFIG_VERSION_DEVICEID); - dev_info(&pdev->dev, "PCIe version/deviceID 0x%x\n", version_id); - - if (version_id != VERSION_ID_MAGIC) { - dev_info(&pdev->dev, "PCIe controller not found\n"); - pcie->haslink = 0; - return; - } - - /* allow entry to L23 state */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, - PCIE_READY_ENTR_L23, PCIE_READY_ENTR_L23); - - /* Set PCIe core into RootCore mode */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, - PCIE_DEVICE_TYPE_MASK, PCIE_DEVICE_TYPE_ROOT); - wmb(); - - /* Bring up the PCI core */ - regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, - PCIE_LTSSM, PCIE_LTSSM); - wmb(); -} - -static int oxnas_pcie_probe(struct platform_device *pdev) -{ - struct oxnas_pcie *pcie; - struct device_node *np = pdev->dev.of_node; - int ret; - - pcie = devm_kzalloc(&pdev->dev, sizeof(struct oxnas_pcie), - GFP_KERNEL); - if (!pcie) - return -ENOMEM; - - pcie->pdev = pdev; - pcie->haslink = 1; - spin_lock_init(&pcie->lock); - - pcie->sys_ctrl = syscon_regmap_lookup_by_compatible("oxsemi,ox820-sys-ctrl"); - if (IS_ERR(pcie->sys_ctrl)) - return PTR_ERR(pcie->sys_ctrl); - - ret = oxnas_pcie_init_res(pdev, pcie, np); - if (ret) - return ret; - if (pcie->card_reset >= 0) { - ret = gpio_request_one(pcie->card_reset, GPIOF_DIR_IN, - dev_name(&pdev->dev)); - if (ret) { - dev_err(&pdev->dev, "cannot request gpio pin %d\n", - pcie->card_reset); - return ret; - } - } - - ret = oxnas_pcie_map_registers(pdev, np, pcie); - if (ret) { - dev_err(&pdev->dev, "cannot map registers\n"); - goto err_free_gpio; - } - - ret = oxnas_pcie_shared_init(pdev, pcie); - if (ret) - goto err_free_gpio; - - /* if hw not found, haslink cleared */ - oxnas_pcie_init_hw(pdev, pcie); - - if (pcie->haslink && oxnas_pcie_link_up(pcie)) { - pcie->haslink = 1; - dev_info(&pdev->dev, "link up\n"); - } else { - pcie->haslink = 0; - dev_info(&pdev->dev, "link down\n"); - } - /* should we register our controller even when pcie->haslink is 0 ? */ - /* register the controller with framework */ - oxnas_pcie_enable(&pdev->dev, pcie); - - return 0; - -err_free_gpio: - if (pcie->card_reset) - gpio_free(pcie->card_reset); - - return ret; -} - -static const struct of_device_id oxnas_pcie_of_match_table[] = { - { .compatible = "plxtech,nas782x-pcie", }, - {}, -}; - -static struct platform_driver oxnas_pcie_driver = { - .driver = { - .name = "oxnas-pcie", - .suppress_bind_attrs = true, - .of_match_table = oxnas_pcie_of_match_table, - }, - .probe = oxnas_pcie_probe, -}; - -builtin_platform_driver(oxnas_pcie_driver); diff --git a/target/linux/oxnas/files-5.4/drivers/phy/phy-oxnas-pcie.c b/target/linux/oxnas/files-5.4/drivers/phy/phy-oxnas-pcie.c deleted file mode 100644 index 6ded8b2cf6..0000000000 --- a/target/linux/oxnas/files-5.4/drivers/phy/phy-oxnas-pcie.c +++ /dev/null @@ -1,148 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2019 Daniel Golle - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define ADDR_VAL(val) ((val) & 0xFFFF) -#define DATA_VAL(val) ((val) & 0xFFFF) - -#define SYS_CTRL_HCSL_CTRL_REGOFFSET 0x114 - -enum { - HCSL_BIAS_ON = BIT(0), - HCSL_PCIE_EN = BIT(1), - HCSL_PCIEA_EN = BIT(2), - HCSL_PCIEB_EN = BIT(3), -}; - -enum { - /* pcie phy reg offset */ - PHY_ADDR = 0, - PHY_DATA = 4, - /* phy data reg bits */ - READ_EN = BIT(16), - WRITE_EN = BIT(17), - CAP_DATA = BIT(18), -}; - -struct oxnas_pcie_phy { - struct device *dev; - void __iomem *membase; - const struct phy_ops *ops; - struct regmap *sys_ctrl; - struct reset_control *rstc; -}; - -static int oxnas_pcie_phy_init(struct phy *phy) -{ - struct oxnas_pcie_phy *pciephy = phy_get_drvdata(phy); - int ret; - - /* generate clocks from HCSL buffers, shared parts */ - regmap_write(pciephy->sys_ctrl, SYS_CTRL_HCSL_CTRL_REGOFFSET, HCSL_BIAS_ON|HCSL_PCIE_EN); - - /* Ensure PCIe PHY is properly reset */ - ret = reset_control_reset(pciephy->rstc); - - if (ret) { - dev_err(pciephy->dev, "phy reset failed %d\n", ret); - return ret; - } - - return 0; -} - -static int oxnas_pcie_phy_power_on(struct phy *phy) -{ - struct oxnas_pcie_phy *pciephy = phy_get_drvdata(phy); - - /* Enable PCIe Pre-Emphasis: What these value means? */ - writel(ADDR_VAL(0x0014), pciephy->membase + PHY_ADDR); - writel(DATA_VAL(0xce10) | CAP_DATA, pciephy->membase + PHY_DATA); - writel(DATA_VAL(0xce10) | WRITE_EN, pciephy->membase + PHY_DATA); - - writel(ADDR_VAL(0x2004), pciephy->membase + PHY_ADDR); - writel(DATA_VAL(0x82c7) | CAP_DATA, pciephy->membase + PHY_DATA); - writel(DATA_VAL(0x82c7) | WRITE_EN, pciephy->membase + PHY_DATA); - - return 0; -} - -static const struct phy_ops ops = { - .init = oxnas_pcie_phy_init, - .power_on = oxnas_pcie_phy_power_on, - .owner = THIS_MODULE, -}; - -static int oxnas_pcie_phy_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct device_node *np = pdev->dev.of_node; - struct phy *generic_phy; - struct phy_provider *phy_provider; - struct oxnas_pcie_phy *pciephy; - struct regmap *sys_ctrl; - struct reset_control *rstc; - void __iomem *membase; - - membase = of_iomap(np, 0); - if (IS_ERR(membase)) - return PTR_ERR(membase); - - sys_ctrl = syscon_regmap_lookup_by_compatible("oxsemi,ox820-sys-ctrl"); - if (IS_ERR(sys_ctrl)) - return PTR_ERR(sys_ctrl); - - rstc = devm_reset_control_get_shared(dev, "phy"); - if (IS_ERR(rstc)) - return PTR_ERR(rstc); - - pciephy = devm_kzalloc(dev, sizeof(*pciephy), GFP_KERNEL); - if (!pciephy) - return -ENOMEM; - - pciephy->sys_ctrl = sys_ctrl; - pciephy->rstc = rstc; - pciephy->membase = membase; - pciephy->dev = dev; - pciephy->ops = &ops; - - generic_phy = devm_phy_create(dev, dev->of_node, pciephy->ops); - if (IS_ERR(generic_phy)) { - dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(generic_phy); - } - - phy_set_drvdata(generic_phy, pciephy); - phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - - return PTR_ERR_OR_ZERO(phy_provider); -} - -static const struct of_device_id oxnas_pcie_phy_id_table[] = { - { .compatible = "oxsemi,ox820-pcie-phy" }, - { }, -}; - -static struct platform_driver oxnas_pcie_phy_driver = { - .probe = oxnas_pcie_phy_probe, - .driver = { - .name = "ox820-pcie-phy", - .of_match_table = oxnas_pcie_phy_id_table, - }, -}; - -builtin_platform_driver(oxnas_pcie_phy_driver); diff --git a/target/linux/oxnas/files/drivers/pci/controller/pcie-oxnas.c b/target/linux/oxnas/files/drivers/pci/controller/pcie-oxnas.c new file mode 100644 index 0000000000..f2145e31b5 --- /dev/null +++ b/target/linux/oxnas/files/drivers/pci/controller/pcie-oxnas.c @@ -0,0 +1,674 @@ +/* + * PCIe driver for PLX NAS782X SoCs + * + * Author: Ma Haijun + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../pci.h" + +#define SYS_CTRL_HCSL_CTRL_REGOFFSET 0x114 + +static inline void oxnas_register_clear_mask(void __iomem *p, unsigned mask) +{ + u32 val = readl_relaxed(p); + + val &= ~mask; + writel_relaxed(val, p); +} + +static inline void oxnas_register_set_mask(void __iomem *p, unsigned mask) +{ + u32 val = readl_relaxed(p); + + val |= mask; + writel_relaxed(val, p); +} + +static inline void oxnas_register_value_mask(void __iomem *p, + unsigned mask, unsigned new_value) +{ + /* TODO sanity check mask & new_value = new_value */ + u32 val = readl_relaxed(p); + + val &= ~mask; + val |= new_value; + writel_relaxed(val, p); +} + +#define VERSION_ID_MAGIC 0x082510b5 +#define LINK_UP_TIMEOUT_SECONDS 1 +#define NUM_CONTROLLERS 1 + +enum { + PCIE_DEVICE_TYPE_MASK = 0x0F, + PCIE_DEVICE_TYPE_ENDPOINT = 0, + PCIE_DEVICE_TYPE_LEGACY_ENDPOINT = 1, + PCIE_DEVICE_TYPE_ROOT = 4, + + PCIE_LTSSM = BIT(4), + PCIE_READY_ENTR_L23 = BIT(9), + PCIE_LINK_UP = BIT(11), + PCIE_OBTRANS = BIT(12), +}; + +/* core config registers */ +enum { + PCI_CONFIG_VERSION_DEVICEID = 0, + PCI_CONFIG_COMMAND_STATUS = 4, +}; + +/* inbound config registers */ +enum { + IB_ADDR_XLATE_ENABLE = 0xFC, + + /* bits */ + ENABLE_IN_ADDR_TRANS = BIT(0), +}; + +/* outbound config registers, offset relative to PCIE_POM0_MEM_ADDR */ +enum { + PCIE_POM0_MEM_ADDR = 0, + PCIE_POM1_MEM_ADDR = 4, + PCIE_IN0_MEM_ADDR = 8, + PCIE_IN1_MEM_ADDR = 12, + PCIE_IN_IO_ADDR = 16, + PCIE_IN_CFG0_ADDR = 20, + PCIE_IN_CFG1_ADDR = 24, + PCIE_IN_MSG_ADDR = 28, + PCIE_IN0_MEM_LIMIT = 32, + PCIE_IN1_MEM_LIMIT = 36, + PCIE_IN_IO_LIMIT = 40, + PCIE_IN_CFG0_LIMIT = 44, + PCIE_IN_CFG1_LIMIT = 48, + PCIE_IN_MSG_LIMIT = 52, + PCIE_AHB_SLAVE_CTRL = 56, + + PCIE_SLAVE_BE_SHIFT = 22, +}; + +#define PCIE_SLAVE_BE(val) ((val) << PCIE_SLAVE_BE_SHIFT) +#define PCIE_SLAVE_BE_MASK PCIE_SLAVE_BE(0xF) + +struct oxnas_pcie_shared { + /* seems all access are serialized, no lock required */ + int refcount; +}; + +/* Structure representing one PCIe interfaces */ +struct oxnas_pcie { + void __iomem *cfgbase; + void __iomem *base; + void __iomem *inbound; + struct regmap *sys_ctrl; + unsigned int outbound_offset; + unsigned int pcie_ctrl_offset; + struct phy *phy; + int haslink; + struct platform_device *pdev; + struct resource io; + struct resource cfg; + struct resource pre_mem; /* prefetchable */ + struct resource non_mem; /* non-prefetchable */ + struct resource busn; /* max available bus numbers */ + int card_reset; /* gpio pin, optional */ + unsigned hcsl_en; /* hcsl pci enable bit */ + struct clk *clk; + struct clk *busclk; /* for pcie bus, actually the PLLB */ + void *private_data[1]; + spinlock_t lock; +}; + +static struct oxnas_pcie_shared pcie_shared = { + .refcount = 0, +}; + +static inline struct oxnas_pcie *sys_to_pcie(struct pci_sys_data *sys) +{ + return sys->private_data; +} + + +static inline void set_out_lanes(struct oxnas_pcie *pcie, unsigned lanes) +{ + regmap_update_bits(pcie->sys_ctrl, pcie->outbound_offset + PCIE_AHB_SLAVE_CTRL, + PCIE_SLAVE_BE_MASK, PCIE_SLAVE_BE(lanes)); + wmb(); +} + +static int oxnas_pcie_link_up(struct oxnas_pcie *pcie) +{ + unsigned long end; + unsigned int val; + + /* Poll for PCIE link up */ + end = jiffies + (LINK_UP_TIMEOUT_SECONDS * HZ); + while (!time_after(jiffies, end)) { + regmap_read(pcie->sys_ctrl, pcie->pcie_ctrl_offset, &val); + if (val & PCIE_LINK_UP) + return 1; + } + return 0; +} + +static void oxnas_pcie_setup_hw(struct oxnas_pcie *pcie) +{ + /* We won't have any inbound address translation. This allows PCI + * devices to access anywhere in the AHB address map. Might be regarded + * as a bit dangerous, but let's get things working before we worry + * about that + */ + oxnas_register_clear_mask(pcie->inbound + IB_ADDR_XLATE_ENABLE, + ENABLE_IN_ADDR_TRANS); + wmb(); + + /* + * Program outbound translation windows + * + * Outbound window is what is referred to as "PCI client" region in HRM + * + * Could use the larger alternative address space to get >>64M regions + * for graphics cards etc., but will not bother at this point. + * + * IP bug means that AMBA window size must be a power of 2 + * + * Set mem0 window for first 16MB of outbound window non-prefetchable + * Set mem1 window for second 16MB of outbound window prefetchable + * Set io window for next 16MB of outbound window + * Set cfg0 for final 1MB of outbound window + * + * Ignore mem1, cfg1 and msg windows for now as no obvious use cases for + * 820 that would need them + * + * Probably ideally want no offset between mem0 window start as seen by + * ARM and as seen on PCI bus and get Linux to assign memory regions to + * PCI devices using the same "PCI client" region start address as seen + * by ARM + */ + + /* Set PCIeA mem0 region to be 1st 16MB of the 64MB PCIeA window */ + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN0_MEM_ADDR, pcie->non_mem.start); + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN0_MEM_LIMIT, pcie->non_mem.end); + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_POM0_MEM_ADDR, pcie->non_mem.start); + + /* Set PCIeA mem1 region to be 2nd 16MB of the 64MB PCIeA window */ + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN1_MEM_ADDR, pcie->pre_mem.start); + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN1_MEM_LIMIT, pcie->pre_mem.end); + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_POM1_MEM_ADDR, pcie->pre_mem.start); + + /* Set PCIeA io to be third 16M region of the 64MB PCIeA window*/ + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_IO_ADDR, pcie->io.start); + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_IO_LIMIT, pcie->io.end); + + + /* Set PCIeA cgf0 to be last 16M region of the 64MB PCIeA window*/ + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_CFG0_ADDR, pcie->cfg.start); + regmap_write(pcie->sys_ctrl, pcie->outbound_offset + PCIE_IN_CFG0_LIMIT, pcie->cfg.end); + wmb(); + + /* Enable outbound address translation */ + regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, PCIE_OBTRANS, PCIE_OBTRANS); + wmb(); + + /* + * Program PCIe command register for core to: + * enable memory space + * enable bus master + * enable io + */ + writel_relaxed(7, pcie->base + PCI_CONFIG_COMMAND_STATUS); + /* which is which */ + wmb(); +} + +static unsigned oxnas_pcie_cfg_to_offset( + struct pci_sys_data *sys, + unsigned char bus_number, + unsigned int devfn, + int where) +{ + unsigned int function = PCI_FUNC(devfn); + unsigned int slot = PCI_SLOT(devfn); + unsigned char bus_number_offset; + + bus_number_offset = bus_number - sys->busnr; + + /* + * We'll assume for now that the offset, function, slot, bus encoding + * should map onto linear, contiguous addresses in PCIe config space, + * albeit that the majority will be unused as only slot 0 is valid for + * any PCIe bus and most devices have only function 0 + * + * Could be that PCIe in fact works by not encoding the slot number into + * the config space address as it's known that only slot 0 is valid. + * We'll have to experiment if/when we get a PCIe switch connected to + * the PCIe host + */ + return (bus_number_offset << 20) | (slot << 15) | (function << 12) | + (where & ~3); +} + +/* PCI configuration space write function */ +static int oxnas_pcie_wr_conf(struct pci_bus *bus, u32 devfn, + int where, int size, u32 val) +{ + unsigned long flags; + struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata); + unsigned offset; + u32 value; + u32 lanes; + + /* Only a single device per bus for PCIe point-to-point links */ + if (PCI_SLOT(devfn) > 0) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (!pcie->haslink) + return PCIBIOS_DEVICE_NOT_FOUND; + + offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn, + where); + + value = val << (8 * (where & 3)); + lanes = (0xf >> (4-size)) << (where & 3); + /* it race with mem and io write, but the possibility is low, normally + * all config writes happens at driver initialize stage, wont interleave + * with others. + * and many pcie cards use dword (4bytes) access mem/io access only, + * so not bother to copy that ugly work-around now. */ + spin_lock_irqsave(&pcie->lock, flags); + set_out_lanes(pcie, lanes); + writel_relaxed(value, pcie->cfgbase + offset); + set_out_lanes(pcie, 0xf); + spin_unlock_irqrestore(&pcie->lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +/* PCI configuration space read function */ +static int oxnas_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, + int size, u32 *val) +{ + struct oxnas_pcie *pcie = sys_to_pcie(bus->sysdata); + unsigned offset; + u32 value; + u32 left_bytes, right_bytes; + + /* Only a single device per bus for PCIe point-to-point links */ + if (PCI_SLOT(devfn) > 0) { + *val = 0xffffffff; + return PCIBIOS_DEVICE_NOT_FOUND; + } + + if (!pcie->haslink) { + *val = 0xffffffff; + return PCIBIOS_DEVICE_NOT_FOUND; + } + + offset = oxnas_pcie_cfg_to_offset(bus->sysdata, bus->number, devfn, + where); + value = readl_relaxed(pcie->cfgbase + offset); + left_bytes = where & 3; + right_bytes = 4 - left_bytes - size; + value <<= right_bytes * 8; + value >>= (left_bytes + right_bytes) * 8; + *val = value; + + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops oxnas_pcie_ops = { + .read = oxnas_pcie_rd_conf, + .write = oxnas_pcie_wr_conf, +}; + +static int oxnas_pcie_setup(int nr, struct pci_sys_data *sys) +{ + struct oxnas_pcie *pcie = sys_to_pcie(sys); + + pci_add_resource_offset(&sys->resources, &pcie->non_mem, sys->mem_offset); + pci_add_resource_offset(&sys->resources, &pcie->pre_mem, sys->mem_offset); + pci_add_resource_offset(&sys->resources, &pcie->io, sys->io_offset); + pci_add_resource(&sys->resources, &pcie->busn); + if (sys->busnr == 0) { /* default one */ + sys->busnr = pcie->busn.start; + } + /* do not use devm_ioremap_resource, it does not like cfg resource */ + pcie->cfgbase = devm_ioremap(&pcie->pdev->dev, pcie->cfg.start, + resource_size(&pcie->cfg)); + if (!pcie->cfgbase) + return -ENOMEM; + + oxnas_pcie_setup_hw(pcie); + + return 1; +} + +static void oxnas_pcie_enable(struct device *dev, struct oxnas_pcie *pcie) +{ + struct hw_pci hw; + int i; + + memset(&hw, 0, sizeof(hw)); + for (i = 0; i < NUM_CONTROLLERS; i++) + pcie->private_data[i] = pcie; + + hw.nr_controllers = NUM_CONTROLLERS; +/* I think use stack pointer is a bad idea though it is valid in this case */ + hw.private_data = pcie->private_data; + hw.setup = oxnas_pcie_setup; + hw.map_irq = of_irq_parse_and_map_pci; + hw.ops = &oxnas_pcie_ops; + + /* pass dev to maintain of tree, interrupt mapping rely on this */ + pci_common_init_dev(dev, &hw); +} + +static int oxnas_pcie_shared_init(struct platform_device *pdev, struct oxnas_pcie *pcie) +{ + if (++pcie_shared.refcount == 1) { + phy_init(pcie->phy); + phy_power_on(pcie->phy); + return 0; + } else { + return 0; + } +} + +#if 0 +/* maybe we will call it when enter low power state */ +static void oxnas_pcie_shared_deinit(struct platform_device *pdev) +{ + if (--pcie_shared.refcount == 0) { + /* no cleanup needed */; + } +} +#endif + +static int +oxnas_pcie_map_registers(struct platform_device *pdev, + struct device_node *np, + struct oxnas_pcie *pcie) +{ + struct resource regs; + int ret = 0; + u32 outbound_ctrl_offset; + u32 pcie_ctrl_offset; + + ret = of_address_to_resource(np, 0, ®s); + if (ret) { + dev_err(&pdev->dev, "failed to parse base register space\n"); + return -EINVAL; + } + + pcie->base = devm_ioremap_resource(&pdev->dev, ®s); + if (!pcie->base) { + dev_err(&pdev->dev, "failed to map base register space\n"); + return -ENOMEM; + } + + ret = of_address_to_resource(np, 1, ®s); + if (ret) { + dev_err(&pdev->dev, "failed to parse inbound register space\n"); + return -EINVAL; + } + + pcie->inbound = devm_ioremap_resource(&pdev->dev, ®s); + if (!pcie->inbound) { + dev_err(&pdev->dev, "failed to map inbound register space\n"); + return -ENOMEM; + } + + pcie->phy = devm_of_phy_get(&pdev->dev, np, NULL); + if (IS_ERR(pcie->phy)) { + if (PTR_ERR(pcie->phy) == -EPROBE_DEFER) { + dev_err(&pdev->dev, "failed to probe phy\n"); + return PTR_ERR(pcie->phy); + } + dev_warn(&pdev->dev, "phy not attached\n"); + pcie->phy = NULL; + } + + if (of_property_read_u32(np, "plxtech,pcie-outbound-offset", + &outbound_ctrl_offset)) { + dev_err(&pdev->dev, "failed to parse outbound register offset\n"); + return -EINVAL; + } + pcie->outbound_offset = outbound_ctrl_offset; + + if (of_property_read_u32(np, "plxtech,pcie-ctrl-offset", + &pcie_ctrl_offset)) { + dev_err(&pdev->dev, "failed to parse pcie-ctrl register offset\n"); + return -EINVAL; + } + pcie->pcie_ctrl_offset = pcie_ctrl_offset; + + return 0; +} + +static int oxnas_pcie_init_res(struct platform_device *pdev, + struct oxnas_pcie *pcie, + struct device_node *np) +{ + struct of_pci_range range; + struct of_pci_range_parser parser; + int ret; + + if (of_pci_range_parser_init(&parser, np)) + return -EINVAL; + + /* Get the I/O and memory ranges from DT */ + for_each_of_pci_range(&parser, &range) { + + unsigned long restype = range.flags & IORESOURCE_TYPE_BITS; + if (restype == IORESOURCE_IO) { + of_pci_range_to_resource(&range, np, &pcie->io); + pcie->io.name = "I/O"; + } + if (restype == IORESOURCE_MEM) { + if (range.flags & IORESOURCE_PREFETCH) { + of_pci_range_to_resource(&range, np, &pcie->pre_mem); + pcie->pre_mem.name = "PRE MEM"; + } else { + of_pci_range_to_resource(&range, np, &pcie->non_mem); + pcie->non_mem.name = "NON MEM"; + } + + } + if (restype == 0) + of_pci_range_to_resource(&range, np, &pcie->cfg); + } + + /* Get the bus range */ + ret = of_pci_parse_bus_range(np, &pcie->busn); + + if (ret) { + dev_err(&pdev->dev, "failed to parse bus-range property: %d\n", + ret); + return ret; + } + + pcie->card_reset = of_get_gpio(np, 0); + if (pcie->card_reset < 0) + dev_info(&pdev->dev, "card reset gpio pin not exists\n"); + + if (of_property_read_u32(np, "plxtech,pcie-hcsl-bit", &pcie->hcsl_en)) + return -EINVAL; + + pcie->clk = of_clk_get_by_name(np, "pcie"); + if (IS_ERR(pcie->clk)) { + return PTR_ERR(pcie->clk); + } + + pcie->busclk = of_clk_get_by_name(np, "busclk"); + if (IS_ERR(pcie->busclk)) { + clk_put(pcie->clk); + return PTR_ERR(pcie->busclk); + } + + return 0; +} + +static void oxnas_pcie_init_hw(struct platform_device *pdev, + struct oxnas_pcie *pcie) +{ + u32 version_id; + int ret; + + clk_prepare_enable(pcie->busclk); + + /* reset PCIe cards use hard-wired gpio pin */ + if (pcie->card_reset >= 0 && + !gpio_direction_output(pcie->card_reset, 0)) { + wmb(); + mdelay(10); + /* must tri-state the pin to pull it up */ + gpio_direction_input(pcie->card_reset); + wmb(); + mdelay(100); + } + + /* ToDo: use phy power-on port... */ + regmap_update_bits(pcie->sys_ctrl, SYS_CTRL_HCSL_CTRL_REGOFFSET, + BIT(pcie->hcsl_en), BIT(pcie->hcsl_en)); + + /* core */ + ret = device_reset(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "core reset failed %d\n", ret); + return; + } + + /* Start PCIe core clocks */ + clk_prepare_enable(pcie->clk); + + version_id = readl_relaxed(pcie->base + PCI_CONFIG_VERSION_DEVICEID); + dev_info(&pdev->dev, "PCIe version/deviceID 0x%x\n", version_id); + + if (version_id != VERSION_ID_MAGIC) { + dev_info(&pdev->dev, "PCIe controller not found\n"); + pcie->haslink = 0; + return; + } + + /* allow entry to L23 state */ + regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, + PCIE_READY_ENTR_L23, PCIE_READY_ENTR_L23); + + /* Set PCIe core into RootCore mode */ + regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, + PCIE_DEVICE_TYPE_MASK, PCIE_DEVICE_TYPE_ROOT); + wmb(); + + /* Bring up the PCI core */ + regmap_write_bits(pcie->sys_ctrl, pcie->pcie_ctrl_offset, + PCIE_LTSSM, PCIE_LTSSM); + wmb(); +} + +static int oxnas_pcie_probe(struct platform_device *pdev) +{ + struct oxnas_pcie *pcie; + struct device_node *np = pdev->dev.of_node; + int ret; + + pcie = devm_kzalloc(&pdev->dev, sizeof(struct oxnas_pcie), + GFP_KERNEL); + if (!pcie) + return -ENOMEM; + + pcie->pdev = pdev; + pcie->haslink = 1; + spin_lock_init(&pcie->lock); + + pcie->sys_ctrl = syscon_regmap_lookup_by_compatible("oxsemi,ox820-sys-ctrl"); + if (IS_ERR(pcie->sys_ctrl)) + return PTR_ERR(pcie->sys_ctrl); + + ret = oxnas_pcie_init_res(pdev, pcie, np); + if (ret) + return ret; + if (pcie->card_reset >= 0) { + ret = gpio_request_one(pcie->card_reset, GPIOF_DIR_IN, + dev_name(&pdev->dev)); + if (ret) { + dev_err(&pdev->dev, "cannot request gpio pin %d\n", + pcie->card_reset); + return ret; + } + } + + ret = oxnas_pcie_map_registers(pdev, np, pcie); + if (ret) { + dev_err(&pdev->dev, "cannot map registers\n"); + goto err_free_gpio; + } + + ret = oxnas_pcie_shared_init(pdev, pcie); + if (ret) + goto err_free_gpio; + + /* if hw not found, haslink cleared */ + oxnas_pcie_init_hw(pdev, pcie); + + if (pcie->haslink && oxnas_pcie_link_up(pcie)) { + pcie->haslink = 1; + dev_info(&pdev->dev, "link up\n"); + } else { + pcie->haslink = 0; + dev_info(&pdev->dev, "link down\n"); + } + /* should we register our controller even when pcie->haslink is 0 ? */ + /* register the controller with framework */ + oxnas_pcie_enable(&pdev->dev, pcie); + + return 0; + +err_free_gpio: + if (pcie->card_reset) + gpio_free(pcie->card_reset); + + return ret; +} + +static const struct of_device_id oxnas_pcie_of_match_table[] = { + { .compatible = "plxtech,nas782x-pcie", }, + {}, +}; + +static struct platform_driver oxnas_pcie_driver = { + .driver = { + .name = "oxnas-pcie", + .suppress_bind_attrs = true, + .of_match_table = oxnas_pcie_of_match_table, + }, + .probe = oxnas_pcie_probe, +}; + +builtin_platform_driver(oxnas_pcie_driver); diff --git a/target/linux/oxnas/files/drivers/phy/phy-oxnas-pcie.c b/target/linux/oxnas/files/drivers/phy/phy-oxnas-pcie.c new file mode 100644 index 0000000000..6ded8b2cf6 --- /dev/null +++ b/target/linux/oxnas/files/drivers/phy/phy-oxnas-pcie.c @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 Daniel Golle + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ADDR_VAL(val) ((val) & 0xFFFF) +#define DATA_VAL(val) ((val) & 0xFFFF) + +#define SYS_CTRL_HCSL_CTRL_REGOFFSET 0x114 + +enum { + HCSL_BIAS_ON = BIT(0), + HCSL_PCIE_EN = BIT(1), + HCSL_PCIEA_EN = BIT(2), + HCSL_PCIEB_EN = BIT(3), +}; + +enum { + /* pcie phy reg offset */ + PHY_ADDR = 0, + PHY_DATA = 4, + /* phy data reg bits */ + READ_EN = BIT(16), + WRITE_EN = BIT(17), + CAP_DATA = BIT(18), +}; + +struct oxnas_pcie_phy { + struct device *dev; + void __iomem *membase; + const struct phy_ops *ops; + struct regmap *sys_ctrl; + struct reset_control *rstc; +}; + +static int oxnas_pcie_phy_init(struct phy *phy) +{ + struct oxnas_pcie_phy *pciephy = phy_get_drvdata(phy); + int ret; + + /* generate clocks from HCSL buffers, shared parts */ + regmap_write(pciephy->sys_ctrl, SYS_CTRL_HCSL_CTRL_REGOFFSET, HCSL_BIAS_ON|HCSL_PCIE_EN); + + /* Ensure PCIe PHY is properly reset */ + ret = reset_control_reset(pciephy->rstc); + + if (ret) { + dev_err(pciephy->dev, "phy reset failed %d\n", ret); + return ret; + } + + return 0; +} + +static int oxnas_pcie_phy_power_on(struct phy *phy) +{ + struct oxnas_pcie_phy *pciephy = phy_get_drvdata(phy); + + /* Enable PCIe Pre-Emphasis: What these value means? */ + writel(ADDR_VAL(0x0014), pciephy->membase + PHY_ADDR); + writel(DATA_VAL(0xce10) | CAP_DATA, pciephy->membase + PHY_DATA); + writel(DATA_VAL(0xce10) | WRITE_EN, pciephy->membase + PHY_DATA); + + writel(ADDR_VAL(0x2004), pciephy->membase + PHY_ADDR); + writel(DATA_VAL(0x82c7) | CAP_DATA, pciephy->membase + PHY_DATA); + writel(DATA_VAL(0x82c7) | WRITE_EN, pciephy->membase + PHY_DATA); + + return 0; +} + +static const struct phy_ops ops = { + .init = oxnas_pcie_phy_init, + .power_on = oxnas_pcie_phy_power_on, + .owner = THIS_MODULE, +}; + +static int oxnas_pcie_phy_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = pdev->dev.of_node; + struct phy *generic_phy; + struct phy_provider *phy_provider; + struct oxnas_pcie_phy *pciephy; + struct regmap *sys_ctrl; + struct reset_control *rstc; + void __iomem *membase; + + membase = of_iomap(np, 0); + if (IS_ERR(membase)) + return PTR_ERR(membase); + + sys_ctrl = syscon_regmap_lookup_by_compatible("oxsemi,ox820-sys-ctrl"); + if (IS_ERR(sys_ctrl)) + return PTR_ERR(sys_ctrl); + + rstc = devm_reset_control_get_shared(dev, "phy"); + if (IS_ERR(rstc)) + return PTR_ERR(rstc); + + pciephy = devm_kzalloc(dev, sizeof(*pciephy), GFP_KERNEL); + if (!pciephy) + return -ENOMEM; + + pciephy->sys_ctrl = sys_ctrl; + pciephy->rstc = rstc; + pciephy->membase = membase; + pciephy->dev = dev; + pciephy->ops = &ops; + + generic_phy = devm_phy_create(dev, dev->of_node, pciephy->ops); + if (IS_ERR(generic_phy)) { + dev_err(dev, "failed to create PHY\n"); + return PTR_ERR(generic_phy); + } + + phy_set_drvdata(generic_phy, pciephy); + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + + return PTR_ERR_OR_ZERO(phy_provider); +} + +static const struct of_device_id oxnas_pcie_phy_id_table[] = { + { .compatible = "oxsemi,ox820-pcie-phy" }, + { }, +}; + +static struct platform_driver oxnas_pcie_phy_driver = { + .probe = oxnas_pcie_phy_probe, + .driver = { + .name = "ox820-pcie-phy", + .of_match_table = oxnas_pcie_phy_id_table, + }, +}; + +builtin_platform_driver(oxnas_pcie_phy_driver); diff --git a/target/linux/oxnas/patches-4.14/0001-ARM-dts-rename-oxnas-dts-files.patch b/target/linux/oxnas/patches-4.14/0001-ARM-dts-rename-oxnas-dts-files.patch deleted file mode 100644 index db6144c397..0000000000 --- a/target/linux/oxnas/patches-4.14/0001-ARM-dts-rename-oxnas-dts-files.patch +++ /dev/null @@ -1,459 +0,0 @@ -From a9d2b105ccd23e07e3dd99d010a34bd5d1c95b42 Mon Sep 17 00:00:00 2001 -From: Daniel Golle -Date: Sat, 13 Jan 2018 18:35:59 +0100 -Subject: [PATCH 1/3] ARM: dts: rename oxnas dts files - -Other platforms' device-tree files start with a platform prefix, such as -sun7i-a20-*.dts or at91-*.dts. -This naming scheme turns out to be handy when using multi-platform build -systems such as OpenWrt. -Prepend oxnas files with their platform prefix to comply with the naming -scheme already used for most other platforms. - -Signed-off-by: Daniel Golle -Signed-off-by: Arnd Bergmann ---- - arch/arm/boot/dts/Makefile | 4 ++-- - arch/arm/boot/dts/{wd-mbwe.dts => ox810se-wd-mbwe.dts} | 0 - ...-series-3.dts => ox820-cloudengines-pogoplug-series-3.dts} | 0 - 3 files changed, 2 insertions(+), 2 deletions(-) - rename arch/arm/boot/dts/{wd-mbwe.dts => ox810se-wd-mbwe.dts} (100%) - rename arch/arm/boot/dts/{cloudengines-pogoplug-series-3.dts => ox820-cloudengines-pogoplug-series-3.dts} (100%) - ---- a/arch/arm/boot/dts/Makefile -+++ b/arch/arm/boot/dts/Makefile -@@ -685,8 +685,8 @@ dtb-$(CONFIG_ARCH_ACTIONS) += \ - dtb-$(CONFIG_ARCH_PRIMA2) += \ - prima2-evb.dtb - dtb-$(CONFIG_ARCH_OXNAS) += \ -- wd-mbwe.dtb \ -- cloudengines-pogoplug-series-3.dtb -+ ox810se-wd-mbwe.dtb \ -+ ox820-cloudengines-pogoplug-series-3.dtb - dtb-$(CONFIG_ARCH_QCOM) += \ - qcom-apq8060-dragonboard.dtb \ - qcom-apq8064-arrow-sd-600eval.dtb \ ---- a/arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts -+++ /dev/null -@@ -1,94 +0,0 @@ --/* -- * cloudengines-pogoplug-series-3.dtsi - Device tree file for Cloud Engines PogoPlug Series 3 -- * -- * Copyright (C) 2016 Neil Armstrong -- * -- * Licensed under GPLv2 or later -- */ -- --/dts-v1/; --#include "ox820.dtsi" -- --/ { -- model = "Cloud Engines PogoPlug Series 3"; -- -- compatible = "cloudengines,pogoplugv3", "oxsemi,ox820"; -- -- chosen { -- bootargs = "earlyprintk"; -- stdout-path = "serial0:115200n8"; -- }; -- -- memory { -- /* 128Mbytes DDR */ -- reg = <0x60000000 0x8000000>; -- }; -- -- aliases { -- serial0 = &uart0; -- gpio0 = &gpio0; -- gpio1 = &gpio1; -- }; -- -- leds { -- compatible = "gpio-leds"; -- -- blue { -- label = "pogoplug:blue"; -- gpios = <&gpio0 2 0>; -- default-state = "keep"; -- }; -- -- orange { -- label = "pogoplug:orange"; -- gpios = <&gpio1 16 1>; -- default-state = "keep"; -- }; -- -- green { -- label = "pogoplug:green"; -- gpios = <&gpio1 17 1>; -- default-state = "keep"; -- }; -- }; --}; -- --&uart0 { -- status = "okay"; -- -- pinctrl-names = "default"; -- pinctrl-0 = <&pinctrl_uart0>; --}; -- --&nandc { -- status = "okay"; -- -- pinctrl-names = "default"; -- pinctrl-0 = <&pinctrl_nand>; -- -- nand@0 { -- reg = <0>; -- #address-cells = <1>; -- #size-cells = <1>; -- nand-ecc-mode = "soft"; -- nand-ecc-algo = "hamming"; -- -- partition@0 { -- label = "boot"; -- reg = <0x00000000 0x00e00000>; -- read-only; -- }; -- -- partition@e00000 { -- label = "ubi"; -- reg = <0x00e00000 0x07200000>; -- }; -- }; --}; -- --ða { -- status = "okay"; -- -- pinctrl-names = "default"; -- pinctrl-0 = <&pinctrl_etha_mdio>; --}; ---- /dev/null -+++ b/arch/arm/boot/dts/ox810se-wd-mbwe.dts -@@ -0,0 +1,112 @@ -+/* -+ * wd-mbwe.dtsi - Device tree file for Western Digital My Book World Edition -+ * -+ * Copyright (C) 2016 Neil Armstrong -+ * -+ * Licensed under GPLv2 or later -+ */ -+ -+/dts-v1/; -+#include "ox810se.dtsi" -+ -+/ { -+ model = "Western Digital My Book World Edition"; -+ -+ compatible = "wd,mbwe", "oxsemi,ox810se"; -+ -+ chosen { -+ bootargs = "console=ttyS1,115200n8 earlyprintk=serial"; -+ }; -+ -+ memory { -+ /* 128Mbytes DDR */ -+ reg = <0x48000000 0x8000000>; -+ }; -+ -+ aliases { -+ serial1 = &uart1; -+ gpio0 = &gpio0; -+ gpio1 = &gpio1; -+ }; -+ -+ gpio-keys-polled { -+ compatible = "gpio-keys-polled"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ poll-interval = <100>; -+ -+ power { -+ label = "power"; -+ gpios = <&gpio0 0 1>; -+ linux,code = <0x198>; -+ }; -+ -+ recovery { -+ label = "recovery"; -+ gpios = <&gpio0 4 1>; -+ linux,code = <0xab>; -+ }; -+ }; -+ -+ leds { -+ compatible = "gpio-leds"; -+ -+ a0 { -+ label = "activity0"; -+ gpios = <&gpio0 25 0>; -+ default-state = "keep"; -+ }; -+ -+ a1 { -+ label = "activity1"; -+ gpios = <&gpio0 26 0>; -+ default-state = "keep"; -+ }; -+ -+ a2 { -+ label = "activity2"; -+ gpios = <&gpio0 5 0>; -+ default-state = "keep"; -+ }; -+ -+ a3 { -+ label = "activity3"; -+ gpios = <&gpio0 6 0>; -+ default-state = "keep"; -+ }; -+ -+ a4 { -+ label = "activity4"; -+ gpios = <&gpio0 7 0>; -+ default-state = "keep"; -+ }; -+ -+ a5 { -+ label = "activity5"; -+ gpios = <&gpio1 2 0>; -+ default-state = "keep"; -+ }; -+ }; -+ -+ i2c-gpio { -+ compatible = "i2c-gpio"; -+ gpios = <&gpio0 3 0 /* sda */ -+ &gpio0 2 0 /* scl */ -+ >; -+ i2c-gpio,delay-us = <2>; /* ~100 kHz */ -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ rtc0: rtc@48 { -+ compatible = "st,m41t00"; -+ reg = <0x68>; -+ }; -+ }; -+}; -+ -+&uart1 { -+ status = "okay"; -+ -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_uart1>; -+}; ---- /dev/null -+++ b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -@@ -0,0 +1,94 @@ -+/* -+ * cloudengines-pogoplug-series-3.dtsi - Device tree file for Cloud Engines PogoPlug Series 3 -+ * -+ * Copyright (C) 2016 Neil Armstrong -+ * -+ * Licensed under GPLv2 or later -+ */ -+ -+/dts-v1/; -+#include "ox820.dtsi" -+ -+/ { -+ model = "Cloud Engines PogoPlug Series 3"; -+ -+ compatible = "cloudengines,pogoplugv3", "oxsemi,ox820"; -+ -+ chosen { -+ bootargs = "earlyprintk"; -+ stdout-path = "serial0:115200n8"; -+ }; -+ -+ memory { -+ /* 128Mbytes DDR */ -+ reg = <0x60000000 0x8000000>; -+ }; -+ -+ aliases { -+ serial0 = &uart0; -+ gpio0 = &gpio0; -+ gpio1 = &gpio1; -+ }; -+ -+ leds { -+ compatible = "gpio-leds"; -+ -+ blue { -+ label = "pogoplug:blue"; -+ gpios = <&gpio0 2 0>; -+ default-state = "keep"; -+ }; -+ -+ orange { -+ label = "pogoplug:orange"; -+ gpios = <&gpio1 16 1>; -+ default-state = "keep"; -+ }; -+ -+ green { -+ label = "pogoplug:green"; -+ gpios = <&gpio1 17 1>; -+ default-state = "keep"; -+ }; -+ }; -+}; -+ -+&uart0 { -+ status = "okay"; -+ -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_uart0>; -+}; -+ -+&nandc { -+ status = "okay"; -+ -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_nand>; -+ -+ nand@0 { -+ reg = <0>; -+ #address-cells = <1>; -+ #size-cells = <1>; -+ nand-ecc-mode = "soft"; -+ nand-ecc-algo = "hamming"; -+ -+ partition@0 { -+ label = "boot"; -+ reg = <0x00000000 0x00e00000>; -+ read-only; -+ }; -+ -+ partition@e00000 { -+ label = "ubi"; -+ reg = <0x00e00000 0x07200000>; -+ }; -+ }; -+}; -+ -+ða { -+ status = "okay"; -+ -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_etha_mdio>; -+}; ---- a/arch/arm/boot/dts/wd-mbwe.dts -+++ /dev/null -@@ -1,112 +0,0 @@ --/* -- * wd-mbwe.dtsi - Device tree file for Western Digital My Book World Edition -- * -- * Copyright (C) 2016 Neil Armstrong -- * -- * Licensed under GPLv2 or later -- */ -- --/dts-v1/; --#include "ox810se.dtsi" -- --/ { -- model = "Western Digital My Book World Edition"; -- -- compatible = "wd,mbwe", "oxsemi,ox810se"; -- -- chosen { -- bootargs = "console=ttyS1,115200n8 earlyprintk=serial"; -- }; -- -- memory { -- /* 128Mbytes DDR */ -- reg = <0x48000000 0x8000000>; -- }; -- -- aliases { -- serial1 = &uart1; -- gpio0 = &gpio0; -- gpio1 = &gpio1; -- }; -- -- gpio-keys-polled { -- compatible = "gpio-keys-polled"; -- #address-cells = <1>; -- #size-cells = <0>; -- poll-interval = <100>; -- -- power { -- label = "power"; -- gpios = <&gpio0 0 1>; -- linux,code = <0x198>; -- }; -- -- recovery { -- label = "recovery"; -- gpios = <&gpio0 4 1>; -- linux,code = <0xab>; -- }; -- }; -- -- leds { -- compatible = "gpio-leds"; -- -- a0 { -- label = "activity0"; -- gpios = <&gpio0 25 0>; -- default-state = "keep"; -- }; -- -- a1 { -- label = "activity1"; -- gpios = <&gpio0 26 0>; -- default-state = "keep"; -- }; -- -- a2 { -- label = "activity2"; -- gpios = <&gpio0 5 0>; -- default-state = "keep"; -- }; -- -- a3 { -- label = "activity3"; -- gpios = <&gpio0 6 0>; -- default-state = "keep"; -- }; -- -- a4 { -- label = "activity4"; -- gpios = <&gpio0 7 0>; -- default-state = "keep"; -- }; -- -- a5 { -- label = "activity5"; -- gpios = <&gpio1 2 0>; -- default-state = "keep"; -- }; -- }; -- -- i2c-gpio { -- compatible = "i2c-gpio"; -- gpios = <&gpio0 3 0 /* sda */ -- &gpio0 2 0 /* scl */ -- >; -- i2c-gpio,delay-us = <2>; /* ~100 kHz */ -- #address-cells = <1>; -- #size-cells = <0>; -- -- rtc0: rtc@48 { -- compatible = "st,m41t00"; -- reg = <0x68>; -- }; -- }; --}; -- --&uart1 { -- status = "okay"; -- -- pinctrl-names = "default"; -- pinctrl-0 = <&pinctrl_uart1>; --}; diff --git a/target/linux/oxnas/patches-4.14/0002-MAINTAINERS-update-ARM-OXNAS-platform-support-patter.patch b/target/linux/oxnas/patches-4.14/0002-MAINTAINERS-update-ARM-OXNAS-platform-support-patter.patch deleted file mode 100644 index 44e1d03511..0000000000 --- a/target/linux/oxnas/patches-4.14/0002-MAINTAINERS-update-ARM-OXNAS-platform-support-patter.patch +++ /dev/null @@ -1,34 +0,0 @@ -From a018141970d80677d2822fef9d391b85bf9cf99f Mon Sep 17 00:00:00 2001 -From: Joe Perches -Date: Tue, 6 Feb 2018 15:42:33 -0800 -Subject: [PATCH 2/3] MAINTAINERS: update "ARM/OXNAS platform support" patterns - -Commit 9e6c62b05c1b ("ARM: dts: rename oxnas dts files") renamed the -files, update the patterns. - -[akpm@linux-foundation.org: crunch into a single globbed term, per Arnd] -Link: http://lkml.kernel.org/r/b39d779e143b3c0a4e7dff827346e509447e3e8e.1517147485.git.joe@perches.com -Signed-off-by: Joe Perches -Reviewed-by: Andrew Morton -Cc: Daniel Golle -Cc: Arnd Bergmann -Cc: Neil Armstrong -Signed-off-by: Andrew Morton -Signed-off-by: Linus Torvalds ---- - MAINTAINERS | 4 +--- - 1 file changed, 1 insertion(+), 3 deletions(-) - ---- a/MAINTAINERS -+++ b/MAINTAINERS -@@ -1677,9 +1677,7 @@ L: linux-arm-kernel@lists.infradead.org - L: linux-oxnas@lists.tuxfamily.org (moderated for non-subscribers) - S: Maintained - F: arch/arm/mach-oxnas/ --F: arch/arm/boot/dts/ox8*.dtsi --F: arch/arm/boot/dts/wd-mbwe.dts --F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts -+F: arch/arm/boot/dts/ox8*.dts* - N: oxnas - - ARM/PALM TREO SUPPORT diff --git a/target/linux/oxnas/patches-4.14/0003-ARM-configs-add-OXNAS-v6-defconfig.patch b/target/linux/oxnas/patches-4.14/0003-ARM-configs-add-OXNAS-v6-defconfig.patch deleted file mode 100644 index be9f1ecace..0000000000 --- a/target/linux/oxnas/patches-4.14/0003-ARM-configs-add-OXNAS-v6-defconfig.patch +++ /dev/null @@ -1,111 +0,0 @@ -From 22c1774af921a1cdb33bd37b44977b5b34ea58d0 Mon Sep 17 00:00:00 2001 -From: Neil Armstrong -Date: Wed, 14 Mar 2018 09:35:44 +0100 -Subject: [PATCH 3/3] ARM: configs: add OXNAS v6 defconfig - -This patchs adds the minimal defconfig for the OXNAS ARMv6 SoCs -including the OX820 SoC and needed minimal configurations. - -Signed-off-by: Neil Armstrong -Signed-off-by: Arnd Bergmann ---- - arch/arm/configs/oxnas_v6_defconfig | 93 +++++++++++++++++++++++++++++ - 1 file changed, 93 insertions(+) - create mode 100644 arch/arm/configs/oxnas_v6_defconfig - ---- /dev/null -+++ b/arch/arm/configs/oxnas_v6_defconfig -@@ -0,0 +1,93 @@ -+CONFIG_SYSVIPC=y -+CONFIG_NO_HZ=y -+CONFIG_HIGH_RES_TIMERS=y -+CONFIG_CGROUPS=y -+CONFIG_BLK_DEV_INITRD=y -+CONFIG_EMBEDDED=y -+CONFIG_PERF_EVENTS=y -+CONFIG_STRICT_KERNEL_RWX=y -+CONFIG_STRICT_MODULE_RWX=y -+CONFIG_MODULES=y -+CONFIG_MODULE_UNLOAD=y -+CONFIG_PARTITION_ADVANCED=y -+CONFIG_CMDLINE_PARTITION=y -+CONFIG_ARCH_MULTI_V6=y -+CONFIG_ARCH_OXNAS=y -+CONFIG_MACH_OX820=y -+CONFIG_SMP=y -+CONFIG_NR_CPUS=16 -+CONFIG_CMA=y -+CONFIG_FORCE_MAX_ZONEORDER=12 -+CONFIG_SECCOMP=y -+CONFIG_ARM_APPENDED_DTB=y -+CONFIG_ARM_ATAG_DTB_COMPAT=y -+CONFIG_KEXEC=y -+CONFIG_EFI=y -+CONFIG_CPU_IDLE=y -+CONFIG_ARM_CPUIDLE=y -+CONFIG_VFP=y -+CONFIG_NET=y -+CONFIG_PACKET=y -+CONFIG_UNIX=y -+CONFIG_INET=y -+CONFIG_IP_PNP=y -+CONFIG_IP_PNP_DHCP=y -+CONFIG_IP_PNP_BOOTP=y -+CONFIG_IP_PNP_RARP=y -+CONFIG_IPV6_ROUTER_PREF=y -+CONFIG_IPV6_OPTIMISTIC_DAD=y -+CONFIG_INET6_AH=m -+CONFIG_INET6_ESP=m -+CONFIG_INET6_IPCOMP=m -+CONFIG_IPV6_MIP6=m -+CONFIG_IPV6_TUNNEL=m -+CONFIG_IPV6_MULTIPLE_TABLES=y -+CONFIG_DEVTMPFS=y -+CONFIG_DEVTMPFS_MOUNT=y -+CONFIG_DMA_CMA=y -+CONFIG_CMA_SIZE_MBYTES=64 -+CONFIG_SIMPLE_PM_BUS=y -+CONFIG_MTD=y -+CONFIG_MTD_CMDLINE_PARTS=y -+CONFIG_MTD_BLOCK=y -+CONFIG_MTD_NAND=y -+CONFIG_MTD_NAND_OXNAS=y -+CONFIG_MTD_UBI=y -+CONFIG_BLK_DEV_LOOP=y -+CONFIG_BLK_DEV_RAM=y -+CONFIG_BLK_DEV_RAM_SIZE=65536 -+CONFIG_NETDEVICES=y -+CONFIG_STMMAC_ETH=y -+CONFIG_REALTEK_PHY=y -+CONFIG_INPUT_EVDEV=y -+CONFIG_SERIAL_8250=y -+CONFIG_SERIAL_8250_CONSOLE=y -+CONFIG_SERIAL_OF_PLATFORM=y -+CONFIG_GPIO_GENERIC_PLATFORM=y -+CONFIG_NEW_LEDS=y -+CONFIG_LEDS_CLASS=y -+CONFIG_LEDS_CLASS_FLASH=m -+CONFIG_LEDS_GPIO=y -+CONFIG_LEDS_TRIGGERS=y -+CONFIG_LEDS_TRIGGER_TIMER=y -+CONFIG_LEDS_TRIGGER_ONESHOT=y -+CONFIG_LEDS_TRIGGER_HEARTBEAT=y -+CONFIG_LEDS_TRIGGER_CPU=y -+CONFIG_LEDS_TRIGGER_GPIO=y -+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y -+CONFIG_ARM_TIMER_SP804=y -+CONFIG_EXT4_FS=y -+CONFIG_MSDOS_FS=y -+CONFIG_VFAT_FS=y -+CONFIG_TMPFS=y -+CONFIG_TMPFS_POSIX_ACL=y -+CONFIG_UBIFS_FS=y -+CONFIG_PSTORE=y -+CONFIG_PSTORE_CONSOLE=y -+CONFIG_PSTORE_PMSG=y -+CONFIG_PSTORE_RAM=y -+CONFIG_NLS_CODEPAGE_437=y -+CONFIG_NLS_ISO8859_1=y -+CONFIG_NLS_UTF8=y -+CONFIG_PRINTK_TIME=y -+CONFIG_MAGIC_SYSRQ=y diff --git a/target/linux/oxnas/patches-4.14/010-add-console-to-pogoplogv3-bootargs.patch b/target/linux/oxnas/patches-4.14/010-add-console-to-pogoplogv3-bootargs.patch deleted file mode 100644 index 4ca42db1e0..0000000000 --- a/target/linux/oxnas/patches-4.14/010-add-console-to-pogoplogv3-bootargs.patch +++ /dev/null @@ -1,11 +0,0 @@ ---- a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -+++ b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -@@ -15,7 +15,7 @@ - compatible = "cloudengines,pogoplugv3", "oxsemi,ox820"; - - chosen { -- bootargs = "earlyprintk"; -+ bootargs = "earlyprintk console=ttyS0,115200"; - stdout-path = "serial0:115200n8"; - }; - diff --git a/target/linux/oxnas/patches-4.14/020-nand-partitions-on-pogoplug-v3.patch b/target/linux/oxnas/patches-4.14/020-nand-partitions-on-pogoplug-v3.patch deleted file mode 100644 index 1136240882..0000000000 --- a/target/linux/oxnas/patches-4.14/020-nand-partitions-on-pogoplug-v3.patch +++ /dev/null @@ -1,32 +0,0 @@ ---- a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -+++ b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -@@ -74,11 +74,27 @@ - nand-ecc-algo = "hamming"; - - partition@0 { -- label = "boot"; -- reg = <0x00000000 0x00e00000>; -+ label = "stage1"; -+ reg = <0x00000000 0x00040000>; - read-only; - }; - -+ partition@40000 { -+ label = "u-boot"; -+ reg = <0x00040000 0x00380000>; -+ read-only; -+ }; -+ -+ partition@3c0000 { -+ label = "u-boot-env"; -+ reg = <0x003c0000 0x00080000>; -+ }; -+ -+ partition@440000 { -+ label = "kernel"; -+ reg = <0x00440000 0x009c0000>; -+ }; -+ - partition@e00000 { - label = "ubi"; - reg = <0x00e00000 0x07200000>; diff --git a/target/linux/oxnas/patches-4.14/030-led-aliases-on-pogoplug-v3.patch b/target/linux/oxnas/patches-4.14/030-led-aliases-on-pogoplug-v3.patch deleted file mode 100644 index 4025ec0353..0000000000 --- a/target/linux/oxnas/patches-4.14/030-led-aliases-on-pogoplug-v3.patch +++ /dev/null @@ -1,34 +0,0 @@ ---- a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -+++ b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -@@ -28,24 +28,28 @@ - serial0 = &uart0; - gpio0 = &gpio0; - gpio1 = &gpio1; -+ led-boot = &led_status; -+ led-failsafe = &led_warn; -+ led-running = &led_act; -+ led-upgrade = &led_warn; - }; - - leds { - compatible = "gpio-leds"; - -- blue { -+ led_status: blue { - label = "pogoplug:blue"; - gpios = <&gpio0 2 0>; - default-state = "keep"; - }; - -- orange { -+ led_warn: orange { - label = "pogoplug:orange"; - gpios = <&gpio1 16 1>; - default-state = "keep"; - }; - -- green { -+ led_act: green { - label = "pogoplug:green"; - gpios = <&gpio1 17 1>; - default-state = "keep"; diff --git a/target/linux/oxnas/patches-4.14/040-pogoplug-series-3-compatible-string.patch b/target/linux/oxnas/patches-4.14/040-pogoplug-series-3-compatible-string.patch deleted file mode 100644 index f14afd4539..0000000000 --- a/target/linux/oxnas/patches-4.14/040-pogoplug-series-3-compatible-string.patch +++ /dev/null @@ -1,11 +0,0 @@ ---- a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -+++ b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -@@ -12,7 +12,7 @@ - / { - model = "Cloud Engines PogoPlug Series 3"; - -- compatible = "cloudengines,pogoplugv3", "oxsemi,ox820"; -+ compatible = "cloudengines,pogoplug-series-3", "cloudengines,pogoplugv3", "oxsemi,ox820"; - - chosen { - bootargs = "earlyprintk console=ttyS0,115200"; diff --git a/target/linux/oxnas/patches-4.14/050-ox820-remove-left-overs.patch b/target/linux/oxnas/patches-4.14/050-ox820-remove-left-overs.patch deleted file mode 100644 index ad0df9199b..0000000000 --- a/target/linux/oxnas/patches-4.14/050-ox820-remove-left-overs.patch +++ /dev/null @@ -1,63 +0,0 @@ -From 552ed4955c1fee1109bf5ba137dc35a411a1448c Mon Sep 17 00:00:00 2001 -From: Daniel Golle -Date: Fri, 1 Jun 2018 02:41:15 +0200 -Subject: [PATCH] arm: ox820: remove left-overs - -Signed-off-by: Daniel Golle ---- - drivers/clk/clk-oxnas.c | 2 -- - include/dt-bindings/clock/oxsemi,ox820.h | 32 +++++++++++------------- - 2 files changed, 14 insertions(+), 20 deletions(-) - ---- a/drivers/clk/clk-oxnas.c -+++ b/drivers/clk/clk-oxnas.c -@@ -40,8 +40,6 @@ struct oxnas_stdclk_data { - struct clk_hw_onecell_data *onecell_data; - struct clk_oxnas_gate **gates; - unsigned int ngates; -- struct clk_oxnas_pll **plls; -- unsigned int nplls; - }; - - /* Regmap offsets */ ---- a/include/dt-bindings/clock/oxsemi,ox820.h -+++ b/include/dt-bindings/clock/oxsemi,ox820.h -@@ -17,24 +17,20 @@ - #ifndef DT_CLOCK_OXSEMI_OX820_H - #define DT_CLOCK_OXSEMI_OX820_H - --/* PLLs */ --#define CLK_820_PLLA 0 --#define CLK_820_PLLB 1 -- - /* Gate Clocks */ --#define CLK_820_LEON 2 --#define CLK_820_DMA_SGDMA 3 --#define CLK_820_CIPHER 4 --#define CLK_820_SD 5 --#define CLK_820_SATA 6 --#define CLK_820_AUDIO 7 --#define CLK_820_USBMPH 8 --#define CLK_820_ETHA 9 --#define CLK_820_PCIEA 10 --#define CLK_820_NAND 11 --#define CLK_820_PCIEB 12 --#define CLK_820_ETHB 13 --#define CLK_820_REF600 14 --#define CLK_820_USBDEV 15 -+#define CLK_820_LEON 0 -+#define CLK_820_DMA_SGDMA 1 -+#define CLK_820_CIPHER 2 -+#define CLK_820_SD 3 -+#define CLK_820_SATA 4 -+#define CLK_820_AUDIO 5 -+#define CLK_820_USBMPH 6 -+#define CLK_820_ETHA 7 -+#define CLK_820_PCIEA 8 -+#define CLK_820_NAND 9 -+#define CLK_820_PCIEB 10 -+#define CLK_820_ETHB 11 -+#define CLK_820_REF600 12 -+#define CLK_820_USBDEV 13 - - #endif /* DT_CLOCK_OXSEMI_OX820_H */ diff --git a/target/linux/oxnas/patches-4.14/100-oxnas-clk-plla-pllb.patch b/target/linux/oxnas/patches-4.14/100-oxnas-clk-plla-pllb.patch deleted file mode 100644 index d3bf9a9e43..0000000000 --- a/target/linux/oxnas/patches-4.14/100-oxnas-clk-plla-pllb.patch +++ /dev/null @@ -1,273 +0,0 @@ ---- a/drivers/clk/clk-oxnas.c -+++ b/drivers/clk/clk-oxnas.c -@@ -16,19 +16,42 @@ - * along with this program. If not, see . - */ - -+#include -+#include - #include - #include - #include -+#include - #include - #include - #include - #include - #include - #include -+#include - - #include - #include - -+#define REF300_DIV_INT_SHIFT 8 -+#define REF300_DIV_FRAC_SHIFT 0 -+#define REF300_DIV_INT(val) ((val) << REF300_DIV_INT_SHIFT) -+#define REF300_DIV_FRAC(val) ((val) << REF300_DIV_FRAC_SHIFT) -+ -+#define PLLB_BYPASS 1 -+#define PLLB_ENSAT 3 -+#define PLLB_OUTDIV 4 -+#define PLLB_REFDIV 8 -+#define PLLB_DIV_INT_SHIFT 8 -+#define PLLB_DIV_FRAC_SHIFT 0 -+#define PLLB_DIV_INT(val) ((val) << PLLB_DIV_INT_SHIFT) -+#define PLLB_DIV_FRAC(val) ((val) << PLLB_DIV_FRAC_SHIFT) -+ -+#define PLLA_REFDIV_MASK 0x3F -+#define PLLA_REFDIV_SHIFT 8 -+#define PLLA_OUTDIV_MASK 0x7 -+#define PLLA_OUTDIV_SHIFT 4 -+ - /* Standard regmap gate clocks */ - struct clk_oxnas_gate { - struct clk_hw hw; -@@ -47,6 +70,135 @@ struct oxnas_stdclk_data { - #define CLK_SET_REGOFFSET 0x2c - #define CLK_CLR_REGOFFSET 0x30 - -+#define PLLA_CTRL0_REGOFFSET 0x1f0 -+#define PLLA_CTRL1_REGOFFSET 0x1f4 -+#define PLLB_CTRL0_REGOFFSET 0x1001f0 -+#define MHZ (1000 * 1000) -+ -+struct clk_oxnas_pll { -+ struct clk_hw hw; -+ struct device_node *devnode; -+ struct reset_control *rstc; -+ struct regmap *syscon; -+}; -+ -+#define to_clk_oxnas_pll(_hw) container_of(_hw, struct clk_oxnas_pll, hw) -+ -+static unsigned long plla_clk_recalc_rate(struct clk_hw *hw, -+ unsigned long parent_rate) -+{ -+ struct clk_oxnas_pll *plla = to_clk_oxnas_pll(hw); -+ unsigned long fin = parent_rate; -+ unsigned long refdiv, outdiv; -+ unsigned int pll0, fbdiv; -+ -+ BUG_ON(regmap_read(plla->syscon, PLLA_CTRL0_REGOFFSET, &pll0)); -+ -+ refdiv = (pll0 >> PLLA_REFDIV_SHIFT) & PLLA_REFDIV_MASK; -+ refdiv += 1; -+ outdiv = (pll0 >> PLLA_OUTDIV_SHIFT) & PLLA_OUTDIV_MASK; -+ outdiv += 1; -+ -+ BUG_ON(regmap_read(plla->syscon, PLLA_CTRL1_REGOFFSET, &fbdiv)); -+ /* seems we will not be here when pll is bypassed, so ignore this -+ * case */ -+ -+ return fin / MHZ * fbdiv / (refdiv * outdiv) / 32768 * MHZ; -+} -+ -+static const char *pll_clk_parents[] = { -+ "oscillator", -+}; -+ -+static struct clk_ops plla_ops = { -+ .recalc_rate = plla_clk_recalc_rate, -+}; -+ -+static struct clk_init_data clk_plla_init = { -+ .name = "plla", -+ .ops = &plla_ops, -+ .parent_names = pll_clk_parents, -+ .num_parents = ARRAY_SIZE(pll_clk_parents), -+}; -+ -+static int pllb_clk_is_prepared(struct clk_hw *hw) -+{ -+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw); -+ -+ return !!pllb->rstc; -+} -+ -+static int pllb_clk_prepare(struct clk_hw *hw) -+{ -+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw); -+ -+ pllb->rstc = of_reset_control_get(pllb->devnode, NULL); -+ -+ return IS_ERR(pllb->rstc) ? PTR_ERR(pllb->rstc) : 0; -+} -+ -+static void pllb_clk_unprepare(struct clk_hw *hw) -+{ -+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw); -+ -+ BUG_ON(IS_ERR(pllb->rstc)); -+ -+ reset_control_put(pllb->rstc); -+ pllb->rstc = NULL; -+} -+ -+static int pllb_clk_enable(struct clk_hw *hw) -+{ -+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw); -+ -+ BUG_ON(IS_ERR(pllb->rstc)); -+ -+ /* put PLL into bypass */ -+ regmap_update_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, BIT(PLLB_BYPASS), BIT(PLLB_BYPASS)); -+ wmb(); -+ udelay(10); -+ reset_control_assert(pllb->rstc); -+ udelay(10); -+ /* set PLL B control information */ -+ regmap_write_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, 0xffff, -+ (1 << PLLB_ENSAT) | (1 << PLLB_OUTDIV) | (2 << PLLB_REFDIV)); -+ reset_control_deassert(pllb->rstc); -+ udelay(100); -+ regmap_update_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, BIT(PLLB_BYPASS), 0); -+ -+ return 0; -+} -+ -+static void pllb_clk_disable(struct clk_hw *hw) -+{ -+ struct clk_oxnas_pll *pllb = to_clk_oxnas_pll(hw); -+ -+ BUG_ON(IS_ERR(pllb->rstc)); -+ -+ /* put PLL into bypass */ -+ regmap_update_bits(pllb->syscon, PLLB_CTRL0_REGOFFSET, BIT(PLLB_BYPASS), BIT(PLLB_BYPASS)); -+ -+ wmb(); -+ udelay(10); -+ -+ reset_control_assert(pllb->rstc); -+} -+ -+static struct clk_ops pllb_ops = { -+ .prepare = pllb_clk_prepare, -+ .unprepare = pllb_clk_unprepare, -+ .is_prepared = pllb_clk_is_prepared, -+ .enable = pllb_clk_enable, -+ .disable = pllb_clk_disable, -+}; -+ -+static struct clk_init_data clk_pllb_init = { -+ .name = "pllb", -+ .ops = &pllb_ops, -+ .parent_names = pll_clk_parents, -+ .num_parents = ARRAY_SIZE(pll_clk_parents), -+}; -+ - static inline struct clk_oxnas_gate *to_clk_oxnas_gate(struct clk_hw *hw) - { - return container_of(hw, struct clk_oxnas_gate, hw); -@@ -260,3 +412,42 @@ static struct platform_driver oxnas_stdc - }, - }; - builtin_platform_driver(oxnas_stdclk_driver); -+ -+void __init oxnas_init_plla(struct device_node *np) -+{ -+ struct clk *clk; -+ struct clk_oxnas_pll *plla; -+ -+ plla = kmalloc(sizeof(*plla), GFP_KERNEL); -+ BUG_ON(!plla); -+ -+ plla->syscon = syscon_node_to_regmap(of_get_parent(np)); -+ plla->hw.init = &clk_plla_init; -+ plla->devnode = np; -+ plla->rstc = NULL; -+ clk = clk_register(NULL, &plla->hw); -+ BUG_ON(IS_ERR(clk)); -+ /* mark it as enabled */ -+ clk_prepare_enable(clk); -+ of_clk_add_provider(np, of_clk_src_simple_get, clk); -+} -+CLK_OF_DECLARE(oxnas_plla, "plxtech,nas782x-plla", oxnas_init_plla); -+ -+void __init oxnas_init_pllb(struct device_node *np) -+{ -+ struct clk *clk; -+ struct clk_oxnas_pll *pllb; -+ -+ pllb = kmalloc(sizeof(*pllb), GFP_KERNEL); -+ BUG_ON(!pllb); -+ -+ pllb->syscon = syscon_node_to_regmap(of_get_parent(np)); -+ pllb->hw.init = &clk_pllb_init; -+ pllb->devnode = np; -+ pllb->rstc = NULL; -+ -+ clk = clk_register(NULL, &pllb->hw); -+ BUG_ON(IS_ERR(clk)); -+ of_clk_add_provider(np, of_clk_src_simple_get, clk); -+} -+CLK_OF_DECLARE(oxnas_pllb, "plxtech,nas782x-pllb", oxnas_init_pllb); ---- a/arch/arm/boot/dts/ox820.dtsi -+++ b/arch/arm/boot/dts/ox820.dtsi -@@ -60,12 +60,6 @@ - clocks = <&osc>; - }; - -- plla: plla { -- compatible = "fixed-clock"; -- #clock-cells = <0>; -- clock-frequency = <850000000>; -- }; -- - armclk: armclk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; -@@ -265,6 +259,19 @@ - compatible = "oxsemi,ox820-stdclk", "oxsemi,ox810se-stdclk"; - #clock-cells = <1>; - }; -+ -+ plla: plla { -+ compatible = "plxtech,nas782x-plla"; -+ #clock-cells = <0>; -+ clocks = <&osc>; -+ }; -+ -+ pllb: pllb { -+ compatible = "plxtech,nas782x-pllb"; -+ #clock-cells = <0>; -+ clocks = <&osc>; -+ resets = <&reset RESET_PLLB>; -+ }; - }; - }; - -@@ -286,6 +293,13 @@ - clocks = <&armclk>; - }; - -+ watchdog@620 { -+ compatible = "mpcore_wdt"; -+ reg = <0x620 0x20>; -+ interrupts = ; -+ clocks = <&armclk>; -+ }; -+ - gic: gic@1000 { - compatible = "arm,arm11mp-gic"; - interrupt-controller; diff --git a/target/linux/oxnas/patches-4.14/150-oxnas-restart.patch b/target/linux/oxnas/patches-4.14/150-oxnas-restart.patch deleted file mode 100644 index dafa967592..0000000000 --- a/target/linux/oxnas/patches-4.14/150-oxnas-restart.patch +++ /dev/null @@ -1,25 +0,0 @@ ---- a/drivers/power/reset/Kconfig -+++ b/drivers/power/reset/Kconfig -@@ -113,6 +113,12 @@ config POWER_RESET_MSM - help - Power off and restart support for Qualcomm boards. - -+config POWER_RESET_OXNAS -+ bool "OXNAS SoC restart driver" -+ depends on ARCH_OXNAS -+ help -+ Restart support for OXNAS boards. -+ - config POWER_RESET_PIIX4_POWEROFF - tristate "Intel PIIX4 power-off driver" - depends on PCI ---- a/drivers/power/reset/Makefile -+++ b/drivers/power/reset/Makefile -@@ -12,6 +12,7 @@ obj-$(CONFIG_POWER_RESET_GPIO_RESTART) + - obj-$(CONFIG_POWER_RESET_HISI) += hisi-reboot.o - obj-$(CONFIG_POWER_RESET_IMX) += imx-snvs-poweroff.o - obj-$(CONFIG_POWER_RESET_MSM) += msm-poweroff.o -+obj-$(CONFIG_POWER_RESET_OXNAS) += oxnas-restart.o - obj-$(CONFIG_POWER_RESET_PIIX4_POWEROFF) += piix4-poweroff.o - obj-$(CONFIG_POWER_RESET_LTC2952) += ltc2952-poweroff.o - obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o diff --git a/target/linux/oxnas/patches-4.14/320-oxnas-phy-pcie.patch b/target/linux/oxnas/patches-4.14/320-oxnas-phy-pcie.patch deleted file mode 100644 index 7dc9470424..0000000000 --- a/target/linux/oxnas/patches-4.14/320-oxnas-phy-pcie.patch +++ /dev/null @@ -1,44 +0,0 @@ ---- a/arch/arm/boot/dts/ox820.dtsi -+++ b/arch/arm/boot/dts/ox820.dtsi -@@ -246,6 +246,15 @@ - }; - }; - -+ pcie_phy: pcie-phy@a00000 { -+ compatible = "oxsemi,ox820-pcie-phy"; -+ reg = <0xa00000 0x10>; -+ #phy-cells = <0>; -+ resets = <&reset RESET_PCIEPHY>; -+ reset-names = "phy"; -+ status = "disabled"; -+ }; -+ - sys: sys-ctrl@e00000 { - compatible = "oxsemi,ox820-sys-ctrl", "syscon", "simple-mfd"; - reg = <0xe00000 0x200000>; ---- a/drivers/phy/Kconfig -+++ b/drivers/phy/Kconfig -@@ -26,6 +26,13 @@ config PHY_LPC18XX_USB_OTG - This driver is need for USB0 support on LPC18xx/43xx and takes - care of enabling and clock setup. - -+config PHY_OXNAS -+ tristate "Oxford Semi. OX820 PCI-E PHY support" -+ depends on HAS_IOMEM && OF && (ARM || COMPILE_TEST) -+ select GENERIC_PHY -+ help -+ This option enables support for OXNAS OX820 SoC PCIE PHY. -+ - config PHY_PISTACHIO_USB - tristate "IMG Pistachio USB2.0 PHY driver" - depends on MACH_PISTACHIO ---- a/drivers/phy/Makefile -+++ b/drivers/phy/Makefile -@@ -5,6 +5,7 @@ - - obj-$(CONFIG_GENERIC_PHY) += phy-core.o - obj-$(CONFIG_PHY_LPC18XX_USB_OTG) += phy-lpc18xx-usb-otg.o -+obj-$(CONFIG_PHY_OXNAS) += phy-oxnas-pcie.o - obj-$(CONFIG_PHY_XGENE) += phy-xgene.o - obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o - obj-$(CONFIG_ARCH_SUNXI) += allwinner/ diff --git a/target/linux/oxnas/patches-4.14/340-oxnas-pcie.patch b/target/linux/oxnas/patches-4.14/340-oxnas-pcie.patch deleted file mode 100644 index a6b7137584..0000000000 --- a/target/linux/oxnas/patches-4.14/340-oxnas-pcie.patch +++ /dev/null @@ -1,120 +0,0 @@ ---- a/drivers/pci/host/Kconfig -+++ b/drivers/pci/host/Kconfig -@@ -220,4 +220,9 @@ config VMD - To compile this driver as a module, choose M here: the - module will be called vmd. - -+config PCIE_OXNAS -+ bool "PLX Oxnas PCIe controller" -+ depends on ARCH_OXNAS -+ select PCIEPORTBUS -+ - endmenu ---- a/drivers/pci/host/Makefile -+++ b/drivers/pci/host/Makefile -@@ -20,6 +20,7 @@ obj-$(CONFIG_PCIE_ALTERA) += pcie-altera - obj-$(CONFIG_PCIE_ALTERA_MSI) += pcie-altera-msi.o - obj-$(CONFIG_PCIE_ROCKCHIP) += pcie-rockchip.o - obj-$(CONFIG_PCIE_MEDIATEK) += pcie-mediatek.o -+obj-$(CONFIG_PCIE_OXNAS) += pcie-oxnas.o - obj-$(CONFIG_PCIE_TANGO_SMP8759) += pcie-tango.o - obj-$(CONFIG_VMD) += vmd.o - ---- a/arch/arm/boot/dts/ox820.dtsi -+++ b/arch/arm/boot/dts/ox820.dtsi -@@ -288,7 +288,7 @@ - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; -- ranges = <0 0x47000000 0x1000000>; -+ ranges = <0 0x47000000 0x2000>; - - scu: scu@0 { - compatible = "arm,arm11mp-scu"; -@@ -317,5 +317,86 @@ - <0x100 0x500>; - }; - }; -+ -+ pcie0: pcie-controller@47c00000 { -+ compatible = "plxtech,nas782x-pcie"; -+ device_type = "pci"; -+ #address-cells = <3>; -+ #size-cells = <2>; -+ -+ /* flag & space bus address host address size */ -+ ranges = < 0x82000000 0 0x48000000 0x48000000 0 0x2000000 -+ 0xC2000000 0 0x4A000000 0x4A000000 0 0x1E00000 -+ 0x81000000 0 0x4BE00000 0x4BE00000 0 0x0100000 -+ 0x80000000 0 0x4BF00000 0x4BF00000 0 0x0100000>; -+ -+ bus-range = <0x00 0x7f>; -+ -+ /* cfg inbound translator */ -+ reg = <0x47c00000 0x1000>, <0x47d00000 0x100>; -+ -+ phys = <&pcie_phy>; -+ phy-names = "pcie-phy"; -+ -+ #interrupt-cells = <1>; -+ /* wild card mask, match all bus address & interrupt specifier */ -+ /* format: bus address mask, interrupt specifier mask */ -+ /* each bit 1 means need match, 0 means ignored when match */ -+ interrupt-map-mask = <0 0 0 0>; -+ /* format: a list of: bus address, interrupt specifier, -+ * parent interrupt controller & specifier */ -+ interrupt-map = <0 0 0 0 &gic 0 19 0x304>; -+ gpios = <&gpio1 12 0>; -+ clocks = <&stdclk CLK_820_PCIEA>, <&pllb>; -+ clock-names = "pcie", "busclk"; -+ resets = <&reset RESET_PCIEA>; -+ reset-names = "pcie"; -+ -+ plxtech,pcie-hcsl-bit = <2>; -+ plxtech,pcie-ctrl-offset = <0x120>; -+ plxtech,pcie-outbound-offset = <0x138>; -+ status = "disabled"; -+ }; -+ -+ pcie1: pcie-controller@47e00000 { -+ compatible = "plxtech,nas782x-pcie"; -+ device_type = "pci"; -+ #address-cells = <3>; -+ #size-cells = <2>; -+ -+ /* flag & space bus address host address size */ -+ ranges = < 0x82000000 0 0x4C000000 0x4C000000 0 0x2000000 -+ 0xC2000000 0 0x4E000000 0x4E000000 0 0x1E00000 -+ 0x81000000 0 0x4FE00000 0x4FE00000 0 0x0100000 -+ 0x80000000 0 0x4FF00000 0x4FF00000 0 0x0100000>; -+ -+ bus-range = <0x80 0xff>; -+ -+ /* cfg inbound translator */ -+ reg = <0x47e00000 0x1000>, <0x47f00000 0x100>; -+ -+ phys = <&pcie_phy>; -+ phy-names = "pcie-phy"; -+ -+ #interrupt-cells = <1>; -+ /* wild card mask, match all bus address & interrupt specifier */ -+ /* format: bus address mask, interrupt specifier mask */ -+ /* each bit 1 means need match, 0 means ignored when match */ -+ interrupt-map-mask = <0 0 0 0>; -+ /* format: a list of: bus address, interrupt specifier, -+ * parent interrupt controller & specifier */ -+ interrupt-map = <0 0 0 0 &gic 0 20 0x304>; -+ -+ /* gpios = <&gpio1 12 0>; */ -+ clocks = <&stdclk CLK_820_PCIEB>, <&pllb>; -+ clock-names = "pcie", "busclk"; -+ resets = <&reset RESET_PCIEB>; -+ reset-names = "pcie"; -+ -+ plxtech,pcie-hcsl-bit = <3>; -+ plxtech,pcie-ctrl-offset = <0x124>; -+ plxtech,pcie-outbound-offset = <0x174>; -+ status = "disabled"; -+ }; - }; - }; diff --git a/target/linux/oxnas/patches-4.14/500-oxnas-sata.patch b/target/linux/oxnas/patches-4.14/500-oxnas-sata.patch deleted file mode 100644 index 0699e158a7..0000000000 --- a/target/linux/oxnas/patches-4.14/500-oxnas-sata.patch +++ /dev/null @@ -1,49 +0,0 @@ ---- a/drivers/ata/Kconfig -+++ b/drivers/ata/Kconfig -@@ -493,6 +493,13 @@ config SATA_VITESSE - - If unsure, say N. - -+config SATA_OXNAS -+ tristate "PLXTECH NAS782X SATA support" -+ help -+ This option enables support for Nas782x Serial ATA controller. -+ -+ If unsure, say N. -+ - comment "PATA SFF controllers with BMDMA" - - config PATA_ALI ---- a/drivers/ata/Makefile -+++ b/drivers/ata/Makefile -@@ -46,6 +46,7 @@ obj-$(CONFIG_SATA_SVW) += sata_svw.o - obj-$(CONFIG_SATA_ULI) += sata_uli.o - obj-$(CONFIG_SATA_VIA) += sata_via.o - obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o -+obj-$(CONFIG_SATA_OXNAS) += sata_oxnas.o - - # SFF PATA w/ BMDMA - obj-$(CONFIG_PATA_ALI) += pata_ali.o ---- a/arch/arm/boot/dts/ox820.dtsi -+++ b/arch/arm/boot/dts/ox820.dtsi -@@ -398,5 +398,20 @@ - plxtech,pcie-outbound-offset = <0x174>; - status = "disabled"; - }; -+ -+ sata: sata@45900000 { -+ compatible = "plxtech,nas782x-sata"; -+ /* ports dmactl sgdma */ -+ reg = <0x45900000 0x20000>, <0x459A0000 0x40>, <0x459B0000 0x20>, -+ /* core phy descriptors (optional) */ -+ <0x459E0000 0x2000>, <0x44900000 0x0C>, <0x50000000 0x1000>; -+ interrupts = ; -+ clocks = <&stdclk CLK_820_SATA>; -+ resets = <&reset RESET_SATA>, <&reset RESET_SATA_LINK>, <&reset RESET_SATA_PHY>; -+ reset-names = "sata", "link", "phy"; -+ nr-ports = <1>; -+ status = "disabled"; -+ }; -+ - }; - }; diff --git a/target/linux/oxnas/patches-4.14/510-ox820-libata-leds.patch b/target/linux/oxnas/patches-4.14/510-ox820-libata-leds.patch deleted file mode 100644 index 6d85a046b6..0000000000 --- a/target/linux/oxnas/patches-4.14/510-ox820-libata-leds.patch +++ /dev/null @@ -1,10 +0,0 @@ ---- a/arch/arm/mach-oxnas/Kconfig -+++ b/arch/arm/mach-oxnas/Kconfig -@@ -1,6 +1,7 @@ - menuconfig ARCH_OXNAS - bool "Oxford Semiconductor OXNAS Family SoCs" - select ARCH_HAS_RESET_CONTROLLER -+ select ARCH_WANT_LIBATA_LEDS - select COMMON_CLK_OXNAS - select GPIOLIB - select MFD_SYSCON diff --git a/target/linux/oxnas/patches-4.14/800-oxnas-ehci.patch b/target/linux/oxnas/patches-4.14/800-oxnas-ehci.patch deleted file mode 100644 index c5a9fa047a..0000000000 --- a/target/linux/oxnas/patches-4.14/800-oxnas-ehci.patch +++ /dev/null @@ -1,73 +0,0 @@ ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -334,6 +334,13 @@ config USB_OCTEON_EHCI - USB 2.0 device support. All CN6XXX based chips with USB are - supported. - -+config USB_EHCI_OXNAS -+ tristate "OXNAS EHCI Module" -+ depends on USB_EHCI_HCD && ARCH_OXNAS -+ select USB_EHCI_ROOT_HUB_TT -+ ---help--- -+ Enable support for the OX820 SOC's on-chip EHCI controller. -+ - endif # USB_EHCI_HCD - - config USB_OXU210HP_HCD ---- a/drivers/usb/host/Makefile -+++ b/drivers/usb/host/Makefile -@@ -43,6 +43,7 @@ obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci- - obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o - obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o - obj-$(CONFIG_USB_W90X900_EHCI) += ehci-w90x900.o -+obj-$(CONFIG_USB_EHCI_OXNAS) += ehci-oxnas.o - - obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o - obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o ---- a/arch/arm/boot/dts/ox820.dtsi -+++ b/arch/arm/boot/dts/ox820.dtsi -@@ -105,6 +105,31 @@ - status = "disabled"; - }; - -+ ehci: ehci@40200100 { -+ compatible = "plxtech,nas782x-ehci"; -+ reg = <0x40200100 0xf00>; -+ interrupts = ; -+ clocks = <&stdclk CLK_820_USBMPH>, <&pllb>, <&stdclk CLK_820_REF600>; -+ clock-names = "usb", "refsrc", "phyref"; -+ resets = <&reset RESET_USBHS>, <&reset RESET_USBPHYA>, <&reset RESET_USBPHYB>; -+ reset-names = "host", "phya", "phyb"; -+ oxsemi,sys-ctrl = <&sys>; -+ /* Otherwise ref300 is used, which is derived from sata phy -+ * in that case, usb depends on sata initialization */ -+ /* FIXME: how to make this dependency explicit ? */ -+ oxsemi,ehci_use_pllb; -+ status = "disabled"; -+ -+ ehci_port1: port@1 { -+ reg = <1>; -+ #trigger-source-cells = <0>; -+ }; -+ ehci_port2: port@2 { -+ reg = <2>; -+ #trigger-source-cells = <0>; -+ }; -+ }; -+ - apb-bridge@44000000 { - #address-cells = <1>; - #size-cells = <1>; ---- a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -+++ b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts -@@ -106,6 +106,10 @@ - }; - }; - -+&ehci { -+ status = "okay"; -+}; -+ - ða { - status = "okay"; - diff --git a/target/linux/oxnas/patches-4.14/996-generic-Mangle-bootloader-s-kernel-arguments.patch b/target/linux/oxnas/patches-4.14/996-generic-Mangle-bootloader-s-kernel-arguments.patch deleted file mode 100644 index a06825f7c8..0000000000 --- a/target/linux/oxnas/patches-4.14/996-generic-Mangle-bootloader-s-kernel-arguments.patch +++ /dev/null @@ -1,189 +0,0 @@ -From 71270226b14733a4b1f2cde58ea9265caa50b38d Mon Sep 17 00:00:00 2001 -From: Adrian Panella -Date: Thu, 9 Mar 2017 09:37:17 +0100 -Subject: [PATCH 67/69] generic: Mangle bootloader's kernel arguments - -The command-line arguments provided by the boot loader will be -appended to a new device tree property: bootloader-args. -If there is a property "append-rootblock" in DT under /chosen -and a root= option in bootloaders command line it will be parsed -and added to DT bootargs with the form: XX. -Only command line ATAG will be processed, the rest of the ATAGs -sent by bootloader will be ignored. -This is usefull in dual boot systems, to get the current root partition -without afecting the rest of the system. - -Signed-off-by: Adrian Panella ---- - arch/arm/Kconfig | 11 +++++ - arch/arm/boot/compressed/atags_to_fdt.c | 72 ++++++++++++++++++++++++++++++++- - init/main.c | 16 ++++++++ - 3 files changed, 98 insertions(+), 1 deletion(-) - ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1934,6 +1934,17 @@ config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEN - The command-line arguments provided by the boot loader will be - appended to the the device tree bootargs property. - -+config ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE -+ bool "Append rootblock parsing bootloader's kernel arguments" -+ help -+ The command-line arguments provided by the boot loader will be -+ appended to a new device tree property: bootloader-args. -+ If there is a property "append-rootblock" in DT under /chosen -+ and a root= option in bootloaders command line it will be parsed -+ and added to DT bootargs with the form: XX. -+ Only command line ATAG will be processed, the rest of the ATAGs -+ sent by bootloader will be ignored. -+ - endchoice - - config CMDLINE ---- a/arch/arm/boot/compressed/atags_to_fdt.c -+++ b/arch/arm/boot/compressed/atags_to_fdt.c -@@ -4,6 +4,8 @@ - - #if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND) - #define do_extend_cmdline 1 -+#elif defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE) -+#define do_extend_cmdline 1 - #else - #define do_extend_cmdline 0 - #endif -@@ -67,6 +69,59 @@ static uint32_t get_cell_size(const void - return cell_size; - } - -+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE) -+ -+static char *append_rootblock(char *dest, const char *str, int len, void *fdt) -+{ -+ char *ptr, *end; -+ char *root="root="; -+ int i, l; -+ const char *rootblock; -+ -+ //ARM doesn't have __HAVE_ARCH_STRSTR, so search manually -+ ptr = str - 1; -+ -+ do { -+ //first find an 'r' at the begining or after a space -+ do { -+ ptr++; -+ ptr = strchr(ptr, 'r'); -+ if(!ptr) return dest; -+ -+ } while (ptr != str && *(ptr-1) != ' '); -+ -+ //then check for the rest -+ for(i = 1; i <= 4; i++) -+ if(*(ptr+i) != *(root+i)) break; -+ -+ } while (i != 5); -+ -+ end = strchr(ptr, ' '); -+ end = end ? (end - 1) : (strchr(ptr, 0) - 1); -+ -+ //find partition number (assumes format root=/dev/mtdXX | /dev/mtdblockXX | yy:XX ) -+ for( i = 0; end >= ptr && *end >= '0' && *end <= '9'; end--, i++); -+ ptr = end + 1; -+ -+ /* if append-rootblock property is set use it to append to command line */ -+ rootblock = getprop(fdt, "/chosen", "append-rootblock", &l); -+ if(rootblock != NULL) { -+ if(*dest != ' ') { -+ *dest = ' '; -+ dest++; -+ len++; -+ } -+ if (len + l + i <= COMMAND_LINE_SIZE) { -+ memcpy(dest, rootblock, l); -+ dest += l - 1; -+ memcpy(dest, ptr, i); -+ dest += i; -+ } -+ } -+ return dest; -+} -+#endif -+ - static void merge_fdt_bootargs(void *fdt, const char *fdt_cmdline) - { - char cmdline[COMMAND_LINE_SIZE]; -@@ -86,12 +141,21 @@ static void merge_fdt_bootargs(void *fdt - - /* and append the ATAG_CMDLINE */ - if (fdt_cmdline) { -+ -+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE) -+ //save original bootloader args -+ //and append ubi.mtd with root partition number to current cmdline -+ setprop_string(fdt, "/chosen", "bootloader-args", fdt_cmdline); -+ ptr = append_rootblock(ptr, fdt_cmdline, len, fdt); -+ -+#else - len = strlen(fdt_cmdline); - if (ptr - cmdline + len + 2 < COMMAND_LINE_SIZE) { - *ptr++ = ' '; - memcpy(ptr, fdt_cmdline, len); - ptr += len; - } -+#endif - } - *ptr = '\0'; - -@@ -148,7 +212,9 @@ int atags_to_fdt(void *atag_list, void * - else - setprop_string(fdt, "/chosen", "bootargs", - atag->u.cmdline.cmdline); -- } else if (atag->hdr.tag == ATAG_MEM) { -+ } -+#ifndef CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE -+ else if (atag->hdr.tag == ATAG_MEM) { - if (memcount >= sizeof(mem_reg_property)/4) - continue; - if (!atag->u.mem.size) -@@ -187,6 +253,10 @@ int atags_to_fdt(void *atag_list, void * - setprop(fdt, "/memory", "reg", mem_reg_property, - 4 * memcount * memsize); - } -+#else -+ -+ } -+#endif - - return fdt_pack(fdt); - } ---- a/init/main.c -+++ b/init/main.c -@@ -95,6 +95,10 @@ - #include - #include - -+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE) -+#include -+#endif -+ - static int kernel_init(void *); - - extern void init_IRQ(void); -@@ -573,6 +577,18 @@ asmlinkage __visible void __init start_k - page_alloc_init(); - - pr_notice("Kernel command line: %s\n", boot_command_line); -+ -+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_MANGLE) -+ //Show bootloader's original command line for reference -+ if(of_chosen) { -+ const char *prop = of_get_property(of_chosen, "bootloader-args", NULL); -+ if(prop) -+ pr_notice("Bootloader command line (ignored): %s\n", prop); -+ else -+ pr_notice("Bootloader command line not present\n"); -+ } -+#endif -+ - /* parameters may set static keys */ - jump_label_init(); - parse_early_param(); diff --git a/target/linux/oxnas/patches-4.14/999-libata-hacks.patch b/target/linux/oxnas/patches-4.14/999-libata-hacks.patch deleted file mode 100644 index 29132befb5..0000000000 --- a/target/linux/oxnas/patches-4.14/999-libata-hacks.patch +++ /dev/null @@ -1,57 +0,0 @@ ---- a/drivers/ata/libata-core.c -+++ b/drivers/ata/libata-core.c -@@ -1599,6 +1599,14 @@ unsigned ata_exec_internal_sg(struct ata - return AC_ERR_SYSTEM; - } - -+ if (ap->ops->acquire_hw && !ap->ops->acquire_hw(ap, 0, 0)) { -+ spin_unlock_irqrestore(ap->lock, flags); -+ if (!ap->ops->acquire_hw(ap, 1, (2*HZ))) { -+ return AC_ERR_TIMEOUT; -+ } -+ spin_lock_irqsave(ap->lock, flags); -+ } -+ - /* initialize internal qc */ - - /* XXX: Tag 0 is used for drivers with legacy EH as some -@@ -5131,6 +5139,9 @@ struct ata_queued_cmd *ata_qc_new_init(s - if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) - return NULL; - -+ if (ap->ops->qc_new && ap->ops->qc_new(ap)) -+ return NULL; -+ - /* libsas case */ - if (ap->flags & ATA_FLAG_SAS_HOST) { - tag = ata_sas_allocate_tag(ap); -@@ -5176,6 +5187,8 @@ void ata_qc_free(struct ata_queued_cmd * - qc->tag = ATA_TAG_POISON; - if (ap->flags & ATA_FLAG_SAS_HOST) - ata_sas_free_tag(tag, ap); -+ if (ap->ops->qc_free) -+ ap->ops->qc_free(qc); - } - } - ---- a/include/linux/libata.h -+++ b/include/linux/libata.h -@@ -919,6 +919,8 @@ struct ata_port_operations { - void (*qc_prep)(struct ata_queued_cmd *qc); - unsigned int (*qc_issue)(struct ata_queued_cmd *qc); - bool (*qc_fill_rtf)(struct ata_queued_cmd *qc); -+ int (*qc_new)(struct ata_port *ap); -+ void (*qc_free)(struct ata_queued_cmd *qc); - - /* - * Configuration and exception handling -@@ -1009,6 +1011,9 @@ struct ata_port_operations { - void (*phy_reset)(struct ata_port *ap); - void (*eng_timeout)(struct ata_port *ap); - -+ int (*acquire_hw)(struct ata_port *ap, int may_sleep, -+ int timeout_jiffies); -+ - /* - * ->inherits must be the last field and all the preceding - * fields must be pointers.