diff options
9 files changed, 1786 insertions, 0 deletions
diff --git a/target/linux/imx6/config-3.18 b/target/linux/imx6/config-3.18 new file mode 100644 index 0000000000..83bfd0d41f --- /dev/null +++ b/target/linux/imx6/config-3.18 @@ -0,0 +1,377 @@ +CONFIG_AHCI_IMX=y +CONFIG_ALIGNMENT_TRAP=y +CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y +CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y +CONFIG_ARCH_HAS_RESET_CONTROLLER=y +CONFIG_ARCH_HAS_SG_CHAIN=y +CONFIG_ARCH_HAS_TICK_BROADCAST=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 is not set +CONFIG_ARCH_MULTI_V6_V7=y +CONFIG_ARCH_MULTI_V7=y +CONFIG_ARCH_MXC=y +CONFIG_ARCH_NR_GPIO=0 +CONFIG_ARCH_REQUIRE_GPIOLIB=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_OPTIONAL_GPIOLIB=y +CONFIG_ARM=y +# CONFIG_ARM_CPU_SUSPEND is not set +CONFIG_ARM_ERRATA_754322=y +CONFIG_ARM_ERRATA_764369=y +CONFIG_ARM_ERRATA_775420=y +CONFIG_ARM_GIC=y +CONFIG_ARM_HAS_SG_CHAIN=y +CONFIG_ARM_IMX6Q_CPUFREQ=y +# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set +CONFIG_ARM_L1_CACHE_SHIFT=6 +CONFIG_ARM_L1_CACHE_SHIFT_6=y +# CONFIG_ARM_LPAE is not set +CONFIG_ARM_PATCH_PHYS_VIRT=y +CONFIG_ARM_THUMB=y +# CONFIG_ARM_THUMBEE is not set +CONFIG_ARM_VIRT_EXT=y +CONFIG_ATA=y +CONFIG_ATAGS=y +# CONFIG_ATA_SFF is not set +CONFIG_AUTO_ZRELADDR=y +# CONFIG_CACHE_L2X0 is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_CLKDEV_LOOKUP=y +CONFIG_CLKSRC_MMIO=y +CONFIG_CLKSRC_OF=y +CONFIG_CLONE_BACKWARDS=y +CONFIG_COMMON_CLK=y +CONFIG_CPUFREQ_DT=y +CONFIG_CPU_32v6K=y +CONFIG_CPU_32v7=y +CONFIG_CPU_ABRT_EV7=y +# CONFIG_CPU_BPREDICT_DISABLE is not set +CONFIG_CPU_CACHE_V7=y +CONFIG_CPU_CACHE_VIPT=y +CONFIG_CPU_COPY_V6=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y +CONFIG_CPU_FREQ=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set +CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set +CONFIG_CPU_FREQ_GOV_COMMON=y +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y +CONFIG_CPU_FREQ_GOV_ONDEMAND=y +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_STAT=y +CONFIG_CPU_FREQ_STAT_DETAILS=y +CONFIG_CPU_HAS_ASID=y +# CONFIG_CPU_ICACHE_DISABLE is not set +CONFIG_CPU_PABRT_V7=y +CONFIG_CPU_RMAP=y +CONFIG_CPU_TLB_V7=y +CONFIG_CPU_V7=y +CONFIG_CRC16=y +CONFIG_CRYPTO_CRC32C=y +CONFIG_CRYPTO_DEFLATE=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_LZO=y +CONFIG_CRYPTO_SHA1_ARM_NEON=y +CONFIG_CRYPTO_SHA512_ARM_NEON=y +CONFIG_CRYPTO_XZ=y +CONFIG_DCACHE_WORD_ACCESS=y +CONFIG_DEBUG_IMX_UART_PORT=1 +CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" +# CONFIG_DEBUG_UART_8250 is not set +# CONFIG_DEBUG_UART_PL01X is not set +# CONFIG_DEBUG_USER is not set +CONFIG_DECOMPRESS_BZIP2=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DECOMPRESS_LZO=y +CONFIG_DECOMPRESS_XZ=y +CONFIG_DMADEVICES=y +CONFIG_DMA_ENGINE=y +CONFIG_DMA_OF=y +CONFIG_DTC=y +# CONFIG_DW_DMAC_CORE is not set +# CONFIG_DW_DMAC_PCI is not set +# CONFIG_EMAC_ROCKCHIP is not set +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT3_FS_XATTR=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y +CONFIG_FEC=y +CONFIG_FRAME_POINTER=y +CONFIG_FS_MBCACHE=y +CONFIG_FS_POSIX_ACL=y +CONFIG_GENERIC_ALLOCATOR=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_IDLE_POLL_SETUP=y +CONFIG_GENERIC_IO=y +CONFIG_GENERIC_IRQ_CHIP=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_PCI_IOMAP=y +CONFIG_GENERIC_SCHED_CLOCK=y +CONFIG_GENERIC_SMP_IDLE_THREAD=y +CONFIG_GENERIC_STRNCPY_FROM_USER=y +CONFIG_GENERIC_STRNLEN_USER=y +CONFIG_GLOB=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_DEVRES=y +CONFIG_GPIO_GENERIC=y +CONFIG_GPIO_MXC=y +# CONFIG_GPIO_SYSCON is not set +CONFIG_GPIO_SYSFS=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_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_ARM_SCU=y +CONFIG_HAVE_ARM_TWD=y +# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set +CONFIG_HAVE_BPF_JIT=y +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_ATTRS=y +CONFIG_HAVE_DMA_CONTIGUOUS=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=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_HW_BREAKPOINT=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IMX_ANATOP=y +CONFIG_HAVE_IMX_GPC=y +CONFIG_HAVE_IMX_MMDC=y +CONFIG_HAVE_IMX_SRC=y +CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZ4=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_HAVE_KERNEL_XZ=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_NET_DSA=y +CONFIG_HAVE_OPROFILE=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_SMP=y +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_HAVE_UID16=y +CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y +CONFIG_HZ_FIXED=0 +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_IMX=y +CONFIG_IMX2_WDT=y +CONFIG_IMX_DMA=y +CONFIG_IMX_SDMA=y +# CONFIG_IMX_WEIM is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IOMMU_HELPER=y +CONFIG_IRQCHIP=y +CONFIG_IRQ_DOMAIN=y +CONFIG_IRQ_FORCED_THREADING=y +CONFIG_IRQ_WORK=y +CONFIG_JBD=y +CONFIG_JBD2=y +# CONFIG_LEDS_REGULATOR is not set +# CONFIG_LEDS_SYSCON is not set +CONFIG_LIBFDT=y +CONFIG_LZO_COMPRESS=y +CONFIG_LZO_DECOMPRESS=y +CONFIG_MDIO_BOARDINFO=y +CONFIG_MFD_SYSCON=y +CONFIG_MIGHT_HAVE_CACHE_L2X0=y +CONFIG_MIGHT_HAVE_PCI=y +CONFIG_MMC=y +CONFIG_MMC_BLOCK=y +# CONFIG_MMC_MXC is not set +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_ESDHC_IMX=y +CONFIG_MMC_SDHCI_IO_ACCESSORS=y +# CONFIG_MMC_SDHCI_PCI is not set +CONFIG_MMC_SDHCI_PLTFM=y +# CONFIG_MMC_TIFM_SD is not set +CONFIG_MODULES_USE_ELF_REL=y +CONFIG_MTD_M25P80=y +CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_ECC=y +CONFIG_MTD_NAND_GPMI_NAND=y +# CONFIG_MTD_PHYSMAP_OF is not set +CONFIG_MTD_UBI=y +CONFIG_MTD_UBI_BEB_LIMIT=20 +# CONFIG_MTD_UBI_BLOCK is not set +# CONFIG_MTD_UBI_FASTMAP is not set +# CONFIG_MTD_UBI_GLUEBI is not set +CONFIG_MTD_UBI_WL_THRESHOLD=4096 +CONFIG_MULTI_IRQ_HANDLER=y +CONFIG_MUTEX_SPIN_ON_OWNER=y +# CONFIG_MX3_IPU is not set +# CONFIG_MXC_DEBUG_BOARD is not set +CONFIG_MXS_DMA=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_NEON=y +CONFIG_NET_FLOW_LIMIT=y +CONFIG_NET_PTP_CLASSIFY=y +CONFIG_NLS=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NO_BOOTMEM=y +CONFIG_NO_HZ_COMMON=y +CONFIG_NO_HZ_IDLE=y +CONFIG_NR_CPUS=4 +CONFIG_OF=y +CONFIG_OF_ADDRESS=y +CONFIG_OF_ADDRESS_PCI=y +CONFIG_OF_EARLY_FLATTREE=y +CONFIG_OF_FLATTREE=y +CONFIG_OF_GPIO=y +CONFIG_OF_IRQ=y +CONFIG_OF_MDIO=y +CONFIG_OF_MTD=y +CONFIG_OF_NET=y +CONFIG_OF_PCI=y +CONFIG_OF_PCI_IRQ=y +CONFIG_OF_RESERVED_MEM=y +CONFIG_OLD_SIGACTION=y +CONFIG_OLD_SIGSUSPEND3=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PAGE_OFFSET=0x80000000 +CONFIG_PCI=y +CONFIG_PCIEAER=y +CONFIG_PCIEPORTBUS=y +CONFIG_PCIE_DW=y +CONFIG_PCI_DOMAINS=y +CONFIG_PCI_IMX6=y +CONFIG_PERF_EVENTS=y +CONFIG_PERF_USE_VMALLOC=y +CONFIG_PHYLIB=y +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX=y +CONFIG_PINCTRL_IMX6Q=y +CONFIG_PINCTRL_IMX6SL=y +# CONFIG_PINCTRL_SINGLE is not set +CONFIG_PM_OPP=y +CONFIG_PPS=y +# CONFIG_PREEMPT_RCU is not set +CONFIG_PTP_1588_CLOCK=y +CONFIG_RAS=y +CONFIG_RATIONAL=y +CONFIG_RCU_STALL_COMMON=y +CONFIG_RD_BZIP2=y +CONFIG_RD_GZIP=y +CONFIG_RD_LZO=y +CONFIG_RD_XZ=y +CONFIG_REGMAP=y +CONFIG_REGMAP_I2C=y +CONFIG_REGMAP_MMIO=y +CONFIG_REGMAP_SPI=y +CONFIG_REGULATOR=y +CONFIG_REGULATOR_ANATOP=y +# CONFIG_REGULATOR_DEBUG is not set +CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_REGULATOR_PFUZE100=y +# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set +CONFIG_RFS_ACCEL=y +CONFIG_RPS=y +CONFIG_RTC_CLASS=y +# CONFIG_RTC_DRV_IMXDI is not set +# CONFIG_RTC_DRV_MXC is not set +CONFIG_RWSEM_SPIN_ON_OWNER=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_SATA_AHCI_PLATFORM=y +CONFIG_SCHED_HRTICK=y +CONFIG_SCSI=y +CONFIG_SERIAL_IMX=y +CONFIG_SERIAL_IMX_CONSOLE=y +CONFIG_SMP=y +CONFIG_SMP_ON_UP=y +CONFIG_SOC_BUS=y +# CONFIG_SOC_IMX50 is not set +# CONFIG_SOC_IMX51 is not set +# CONFIG_SOC_IMX53 is not set +CONFIG_SOC_IMX6=y +CONFIG_SOC_IMX6Q=y +CONFIG_SOC_IMX6SL=y +# CONFIG_SOC_IMX6SX is not set +# CONFIG_SOC_VF610 is not set +CONFIG_SPARSE_IRQ=y +CONFIG_SPI=y +CONFIG_SPI_BITBANG=y +CONFIG_SPI_IMX=y +CONFIG_SPI_MASTER=y +CONFIG_SRAM=y +CONFIG_STMP_DEVICE=y +CONFIG_STOP_MACHINE=y +CONFIG_SWIOTLB=y +CONFIG_SWP_EMULATE=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +# CONFIG_THUMB2_KERNEL is not set +CONFIG_TICK_CPU_ACCOUNTING=y +CONFIG_TREE_RCU=y +CONFIG_UBIFS_FS=y +CONFIG_UBIFS_FS_ADVANCED_COMPR=y +CONFIG_UBIFS_FS_LZO=y +CONFIG_UBIFS_FS_XZ=y +CONFIG_UBIFS_FS_ZLIB=y +CONFIG_UID16=y +CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" +# CONFIG_USB_MXS_PHY is not set +CONFIG_USB_SUPPORT=y +CONFIG_USE_OF=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_VFP=y +CONFIG_VFPv3=y +CONFIG_VMSPLIT_2G=y +# CONFIG_VMSPLIT_3G is not set +CONFIG_WATCHDOG_CORE=y +# CONFIG_XEN is not set +CONFIG_XPS=y +CONFIG_XZ_DEC_ARM=y +CONFIG_XZ_DEC_BCJ=y +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZLIB_DEFLATE=y +CONFIG_ZLIB_INFLATE=y +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/imx6/files-3.18/drivers/net/phy/gw16083.c b/target/linux/imx6/files-3.18/drivers/net/phy/gw16083.c new file mode 100644 index 0000000000..66b5536da2 --- /dev/null +++ b/target/linux/imx6/files-3.18/drivers/net/phy/gw16083.c @@ -0,0 +1,949 @@ +/* + * drivers/net/phy/gw16083.c + * + * Driver for GW16083 Ventana Ethernet Expansion Mezzanine + * + * Author: Tim Harvey + * + * Copyright (c) 2014 Tim Harvey <tharvey@gateworks.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +/* + * The GW16083 interfaces with a Ventana baseboard via the PCIe bus, an i2c + * bus (i2c2), and a couple of GPIO's. On the PCIe bus is an i210 GigE with + * its MAC connected to Port4 of a Marvell MV88E6176 7-port GigE switch via + * MDIO and RGMII. Ports 0-3 are standard copper RJ45 but Ports 5 and 6 + * connect to Marvell MV88E1111 dual-mode Copper/Fiber PHY's over SGMII and + * MDIO. The PHY's have both an RG45 for copper and an SFP module. + */ + +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/unistd.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/marvell_phy.h> +#include <linux/of_platform.h> + +#include <linux/io.h> +#include <asm/irq.h> +#include <linux/uaccess.h> + +#include "gw16083.h" + +#undef FAIL_ON_CHECKSUM_ERR /* fail to configure SFP if checksum bad */ +#define PORT_POWER_CONTROL /* ports can be enabled/disabled via sysfs */ +#define PORT_MODE_CONTROL /* ports 5/6 can have SFP/RJ45 mode forced */ + +MODULE_DESCRIPTION("GW16083 driver"); +MODULE_AUTHOR("Tim Harvey"); +MODULE_LICENSE("GPL"); + +struct mv88e1111_port_state { + int port; + bool present; + bool serdes; + bool sfp_signal; + bool sfp_present; + bool sfp_compat; + bool sfp_enabled; + char sfp_id[64]; +}; + +struct mv88e1111_priv { + struct phy_device *phydev; + struct i2c_client *client; + struct mv88e1111_port_state port5; + struct mv88e1111_port_state port6; + struct kobject *sysfs_kobj; +}; + +enum { + mode_copper = 0, + mode_serdes = 1, +}; + +static struct i2c_client *gw16083_client = NULL; + +static int gw16083_read_port_sfp(struct i2c_client *client, + struct mv88e1111_port_state *state); + +/* read switch port register from port0-6 */ +u16 read_switch_port(struct phy_device *pdev, int port, u8 regaddr) +{ + return pdev->bus->read(pdev->bus, MV_BASE + port, regaddr); +} + +/* write switch port register to port0-6 */ +int write_switch_port(struct phy_device *pdev, int port, u8 regaddr, u16 val) +{ + return pdev->bus->write(pdev->bus, MV_BASE + port, regaddr, val); +} + +/* + * read_switch_port_phy - write a register for a specific port on 88E6176 + * The 88E6176 PHY registers must be accessed thorugh the Global2 address + * using the SMI_PHY_COMMAND_REG and SMI_PHY_DATA_REG. + */ +int read_switch_port_phy(struct phy_device *pdev, int port, u8 regaddr) +{ + u16 reg; + int i; + + dev_dbg(&pdev->dev, "read_phy: port%d reg=0x%02x\n", port, regaddr); + reg = SMIBUSY | SMIMODE22 | SMIOP_READ; + reg |= port << DEVADDR; + reg |= regaddr << REGADDR; + pdev->bus->write(pdev->bus, MV_GLOBAL2, MV_SMI_PHY_COMMAND, reg); + for (i = 0; i < 10; i++) { + reg = pdev->bus->read(pdev->bus, MV_GLOBAL2, + MV_SMI_PHY_COMMAND); + if (!(reg & (1<<15))) + break; + mdelay(1); + } + /* timeout */ + if (i == 10) + return 0xffff; + reg = pdev->bus->read(pdev->bus, MV_GLOBAL2, MV_SMI_PHY_DATA); + return reg; +} + +/* + * write_switch_port_phy - write a register for a specific port on 88E6176 + * The 88E6176 PHY registers must be accessed thorugh the Global2 address + * using the SMI_PHY_COMMAND_REG and SMI_PHY_DATA_REG. + */ +int write_switch_port_phy(struct phy_device *pdev, int port, u8 addr, u16 reg) +{ + int i; + + dev_dbg(&pdev->dev, "write_phy: port%d reg=0x%02x val=0x%04x\n", port, + addr, reg); + pdev->bus->write(pdev->bus, MV_GLOBAL2, MV_SMI_PHY_DATA, reg); + reg = SMIBUSY | SMIMODE22 | SMIOP_WRITE; + reg |= port << DEVADDR; + reg |= addr << REGADDR; + pdev->bus->write(pdev->bus, MV_GLOBAL2, MV_SMI_PHY_COMMAND, reg); + for (i = 0; i < 10; i++) { + reg = pdev->bus->read(pdev->bus, MV_GLOBAL2, + MV_SMI_PHY_COMMAND); + if (!(reg & (1<<15))) + break; + mdelay(1); + } + /* timeout */ + if (i == 10) + return -ETIMEDOUT; + + return 0; +} + +/* read a scratch register from switch */ +inline u8 read_switch_scratch(struct phy_device *pdev, u8 reg) +{ + pdev->bus->write(pdev->bus, MV_GLOBAL2, MV_SCRATCH_MISC, (reg << 8)); + return pdev->bus->read(pdev->bus, MV_GLOBAL2, MV_SCRATCH_MISC) & 0xff; +} + +/* write a scratch register to switch */ +inline void write_switch_scratch(struct phy_device *pdev, u8 reg, u8 val) +{ + pdev->bus->write(pdev->bus, MV_GLOBAL2, MV_SCRATCH_MISC, + (1 << 15) | (reg << 8) | val); +} + +/* enable or disable an SFP's TXEN signal */ +static int enable_sfp_txen(struct phy_device *pdev, int port, bool enable) +{ + u8 gpio; + int bit; + + if (port != 5 && port != 6) + return -EINVAL; + + /* GPIO[2:1] output low to enable TXEN */ + bit = (port == 5) ? 1 : 2; + gpio = read_switch_scratch(pdev, MV_GPIO_DATA); + if (enable) + gpio |= (1 << bit); + else + gpio &= (1 << bit); + write_switch_scratch(pdev, MV_GPIO_DATA, gpio); + dev_info(&pdev->dev, "Port%d: SFP TX %s\n", port, enable ? + "enabled" : "disabled"); + return 0; +} + +/* configure mv88e1111 port for copper or serdes + * For Copper we set auto link/duplex/speed detection + * For SerDes/Fiber we force 1000mbps link up and auto-neg duplex + */ +static int config_mv88e1111_port_sfp(struct phy_device *pdev, int port, + bool sfp) +{ + u16 reg; + + if (port != 5 && port != 6) + return -EINVAL; + + dev_dbg(&pdev->dev, "%s: Port%d %s\n", __func__, port, + sfp ? "SFP" : "copper"); + if (sfp) { + enable_sfp_txen(pdev, port, 1); + + /* configure MV88E6176 Physical Control Port Register */ + dev_info(&pdev->dev, + "Port%d: SFP: force 1000mbps link up " + "(auto-negotiate duplex)\n", + port); + reg = read_switch_port(pdev, port, MV_PORT_PHYS_CONTROL); + reg &= ~0x3f; /* clear 5-0 */ + reg |= (1 << 4) | (1 << 5); /* force link up */ + reg |= 2; /* force 1000mbps */ + write_switch_port(pdev, port, MV_PORT_PHYS_CONTROL, reg); + reg = read_switch_port(pdev, port, MV_PORT_PHYS_CONTROL); + } + + /* copper */ + else { + enable_sfp_txen(pdev, port, 0); + + /* configure MV88E6176 Physical Control Port Register */ + dev_info(&pdev->dev, + "Port%d: Copper: set auto-neg link/duplex/speed\n", + port); + reg = read_switch_port(pdev, port, MV_PORT_PHYS_CONTROL); + reg &= ~0x3f; /* clear 5-0 */ + reg |= 3; /* speed not forced */ + write_switch_port(pdev, port, MV_PORT_PHYS_CONTROL, reg); + reg = read_switch_port(pdev, port, MV_PORT_PHYS_CONTROL); + } + dev_dbg(&pdev->dev, "%s: Port%d %s PORT_PHYS_CONTROL=0x%04x\n", + __func__, port, sfp ? "SFP" : "copper", + read_switch_port(pdev, port, MV_PORT_PHYS_CONTROL)); + + return 0; +} + +#if defined(PORT_POWER_CONTROL) +static int enable_switch_port(struct phy_device *pdev, int port, bool enable) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(&pdev->dev); + u16 reg; + + /* power up port */ + dev_info(&priv->client->dev, "Port%d: %s\n", port, + enable ? "normal operation" : "power down"); + reg = read_switch_port_phy(pdev, port, MV_PHY_CONTROL); + if (enable) + reg &= ~(1 << 11); /* Normal Operation */ + else + reg |= (1 << 11); /* power down */ + write_switch_port_phy(pdev, port, MV_PHY_CONTROL, reg); + + reg = read_switch_port_phy(pdev, port, MV_PHY_CONTROL1); + if (enable) + reg &= ~(1 << 2); /* Normal Operation */ + else + reg |= (1 << 2); /* power down */ + write_switch_port_phy(pdev, port, MV_PHY_CONTROL1, reg); + + return 0; +} +#endif + +/* + * Sysfs API + */ + +struct mv88e1111_port_state *get_port_state(struct mv88e1111_priv *priv, + int port) +{ + if (port == 5) + return &priv->port5; + if (port == 6) + return &priv->port6; + return NULL; +} + +/* + * get MV88E6176 port number for a specific GW16083 port name + * The GW16083 ports as shown on the silkscreen are not mapped according to + * the MV88E6176 ports numbers. + */ +static int gw16083_get_port(const char* name) +{ + int i; + int map[] = { 3, 2, 1, 0, 5, 6 }; + + if (strncasecmp(name, "ETHERNET", 8) != 0 || strlen(name) != 9) + return -1; + i = name[8] - '0'; + if (i < 1 || i > 6) + return -1; + return map[i-1]; +} + +static ssize_t port_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(dev); + int port = -1; + u16 reg; + + if (sscanf(attr->attr.name, "port%d", &port) != 1) + return 0; + if (port < 0 || port > 6) + return 0; + reg = read_switch_port_phy(priv->phydev, port, MV_PHY_CONTROL); + return sprintf(buf, "%s\n", (reg & (1 << 11)) ? "disabled" : "enabled"); +} + +#if defined(PORT_POWER_CONTROL) +static ssize_t port_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(dev); + int port = -1; + int val; + + port = gw16083_get_port(attr->attr.name); + if (port < 0) + return 0; + if (sscanf(buf, "%d", &val) != 1) + return 0; + enable_switch_port(priv->phydev, port, val ? 1 : 0); + return count; +} + +static DEVICE_ATTR(ethernet1, S_IWUSR | S_IRUGO, port_show, port_store); +static DEVICE_ATTR(ethernet2, S_IWUSR | S_IRUGO, port_show, port_store); +static DEVICE_ATTR(ethernet3, S_IWUSR | S_IRUGO, port_show, port_store); +static DEVICE_ATTR(ethernet4, S_IWUSR | S_IRUGO, port_show, port_store); +static DEVICE_ATTR(ethernet5, S_IWUSR | S_IRUGO, port_show, port_store); +static DEVICE_ATTR(ethernet6, S_IWUSR | S_IRUGO, port_show, port_store); +#else +static DEVICE_ATTR(ethernet1, S_IRUGO, port_show, NULL); +static DEVICE_ATTR(ethernet2, S_IRUGO, port_show, NULL); +static DEVICE_ATTR(ethernet3, S_IRUGO, port_show, NULL); +static DEVICE_ATTR(ethernet4, S_IRUGO, port_show, NULL); +static DEVICE_ATTR(ethernet5, S_IRUGO, port_show, NULL); +static DEVICE_ATTR(ethernet6, S_IRUGO, port_show, NULL); +#endif + +static ssize_t portsfp_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(dev); + struct mv88e1111_port_state *state; + + state = get_port_state(priv, gw16083_get_port(attr->attr.name)); + if (!state) + return 0; + + if (!state->sfp_present) + return 0; + + return sprintf(buf, "%s\n", state->sfp_id); +} + +static ssize_t portmode_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(dev); + struct mv88e1111_port_state *state; + + state = get_port_state(priv, gw16083_get_port(attr->attr.name)); + if (!state) + return 0; + + return sprintf(buf, "%s\n", state->serdes ? "SFP" : "RJ45"); +} +static DEVICE_ATTR(ethernet5_sfp, S_IRUGO, portsfp_show, NULL); +static DEVICE_ATTR(ethernet6_sfp, S_IRUGO, portsfp_show, NULL); + +#ifdef PORT_MODE_CONTROL +static ssize_t portmode_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(dev); + struct mv88e1111_port_state *state; + u16 reg; + int port; + + port = gw16083_get_port(attr->attr.name); + state = get_port_state(priv, port); + if (!state) + return 0; + + reg = read_switch_port_phy(priv->phydev, port, MII_M1111_PHY_EXT_SR); + if (strcasecmp(buf, "auto") == 0) { + reg &= ~(1<<15); /* enable auto-selection */ + dev_info(&priv->client->dev, "Port%d: enable auto-selection\n", + port); + } else if (strcasecmp(buf, "RJ45") == 0) { + reg |= (1<<15); /* disable auto-selection */ + reg |= 0xb; /* RGMII to Copper */ + config_mv88e1111_port_sfp(priv->phydev, port, 0); + dev_info(&priv->client->dev, "Port%d: select RJ45\n", port); + } else if (strcasecmp(buf, "SFP") == 0) { + reg |= (1<<15); /* disable auto-selection */ + reg |= 0x3; /* RGMII to Fiber */ + config_mv88e1111_port_sfp(priv->phydev, port, 1); + dev_info(&priv->client->dev, "Port%d: select SFP\n", port); + } + write_switch_port_phy(priv->phydev, port, MII_M1111_PHY_EXT_SR, reg); + + return count; +} + +static DEVICE_ATTR(ethernet5_mode, S_IWUSR | S_IRUGO, portmode_show, + portmode_store); +static DEVICE_ATTR(ethernet6_mode, S_IWUSR | S_IRUGO, portmode_show, + portmode_store); +#else +static DEVICE_ATTR(ethernet5_mode, S_IRUGO, portmode_show, NULL); +static DEVICE_ATTR(ethernet6_mode, S_IRUGO, portmode_show, NULL); +#endif + + +/* + * PHY driver + */ + +static int +mv88e6176_config_init(struct phy_device *pdev) +{ + dev_dbg(&pdev->dev, "%s\n", __func__); + pdev->state = PHY_RUNNING; + + return 0; +} + +/* check MV88E1111 PHY status and MV88E6176 GPIO */ +static int +mv88e6176_read_status(struct phy_device *pdev) +{ + struct mv88e1111_priv *priv = dev_get_drvdata(&pdev->dev); + struct mv88e1111_port_state *state; + bool serdes, sfp_present, sfp_signal; + int port; + int ret = 0; + u16 gpio; + + dev_dbg(&pdev->dev, "%s", __func__); + gpio = read_switch_scratch(pdev, MV_GPIO_DATA); + for (port = 5; port < 7; port++) { + serdes = (read_switch_port_phy(pdev, port, MII_M1111_PHY_EXT_SR) + & (1<<13)) ? 1 : 0; + dev_dbg(&pdev->dev, "%s: Port%d GPIO:0x%02x SerDes:%d\n", + __func__, port, gpio, serdes); + switch(port) { + case 5: + state = &priv->port5; + sfp_present = !((gpio >> 5) & 1); + sfp_signal = !((gpio >> 6) & 1); + break; + case 6: + state = &priv->port6; + sfp_present = !((gpio >> 3) & 1); + sfp_signal = !((gpio >> 4) & 1); + break; + } + + /* + * on sfp_detect read/verify SFP MSA and set sfp_compat + * on sfp_signal issue link down? + * on serdes auto-select + */ + if (state->sfp_present != sfp_present) { + state->sfp_present = sfp_present; + dev_info(&pdev->dev, "Port%d: SFP %s\n", + port, sfp_present ? "inserted" : "removed"); + if (state->sfp_present) { + if (gw16083_read_port_sfp(priv->client, state)) + state->sfp_compat = false; + else + state->sfp_compat = true; + } else { + state->sfp_compat = false; + state->sfp_enabled = false; + } + } + if (state->sfp_signal != sfp_signal) { + state->sfp_signal = sfp_signal; + dev_info(&pdev->dev, "Port%d: SFP signal %s\n", + port, sfp_signal ? "detected" : "lost"); + } + if (state->serdes != serdes) { + state->serdes = serdes; + dev_info(&pdev->dev, "Port%d: %s auto-selected\n", + port, serdes ? "SERDES" : "copper"); + + /* + * if auto-selection has switched to copper + * disable serdes + */ + if (!serdes) { + config_mv88e1111_port_sfp(pdev, port, 0); + state->sfp_enabled = false; + } + } + + /* + * if serdes and compatible SFP module and not yet enabled + * then enable for serdes + */ + if (serdes && state->sfp_compat && state->sfp_signal && + !state->sfp_enabled) + { + if (!config_mv88e1111_port_sfp(pdev, port, 1)) + state->sfp_enabled = true; + } + } + + return ret; +} + +static int +mv88e6176_config_aneg(struct phy_device *pdev) +{ + dev_dbg(&pdev->dev, "%s", __func__); + return 0; +} + +static void +mv88e6176_remove(struct phy_device *pdev) +{ + dev_dbg(&pdev->dev, "%s", __func__); + + device_remove_file(&pdev->dev, &dev_attr_ethernet1); + device_remove_file(&pdev->dev, &dev_attr_ethernet2); + device_remove_file(&pdev->dev, &dev_attr_ethernet3); + device_remove_file(&pdev->dev, &dev_attr_ethernet4); + device_remove_file(&pdev->dev, &dev_attr_ethernet5); + device_remove_file(&pdev->dev, &dev_attr_ethernet6); + device_remove_file(&pdev->dev, &dev_attr_ethernet5_sfp); + device_remove_file(&pdev->dev, &dev_attr_ethernet6_sfp); + device_remove_file(&pdev->dev, &dev_attr_ethernet5_mode); + device_remove_file(&pdev->dev, &dev_attr_ethernet6_mode); + sysfs_remove_link(kernel_kobj, "gw16083"); +} + +static int +mv88e6176_probe(struct phy_device *pdev) +{ + int port; + int ret = 0; + u32 id, reg; + struct mv88e1111_priv *priv; + + dev_dbg(&pdev->dev, "%s: addr=0x%02x bus=%s:%s gw16083_client=%p\n", + __func__, pdev->addr, pdev->bus->name, pdev->bus->id, + gw16083_client); + + /* In single-chip addressing mode the MV88E6176 shows up on 0x10-0x16 */ + if (pdev->addr != MV_BASE) + return 0; + + /* i2c driver needs to be loaded first */ + if (!gw16083_client) + return 0; + + /* gw16083 has MV88E1676 hanging off of i210 mdio bus */ + if (strcmp(pdev->bus->name, "igb_enet_mii_bus") != 0) + return 0; + + //dev_info(&pdev->dev, "Detected"); + dev_info(&gw16083_client->dev, "%s: MV88E6176 7-port switch detected", + pdev->bus->id); + + /* + * port5/6 config: MV88E1111 PHY + * Register 20: PHY Control Register + * R20_7: add delay to RX_CLK for RXD + * R20_1: add delay to TX_CLK for TXD + * Register 24: LED Control Register + * 0x4111: + * Pulse stretch 170 to 340 ms + * Register 0: Control Register + * R0_15: phy reset + */ + for (port = 5; port < 7; port++) { +#ifndef RGMII_DELAY_ON_PHY + write_switch_port(pdev, port, MV_PORT_PHYS_CONTROL, 0xC003); +#endif + + id = read_switch_port_phy(pdev, port, + MII_M1111_PHY_IDENT0) << 16; + id |= read_switch_port_phy(pdev, port, MII_M1111_PHY_IDENT1); + if ((id & MII_M1111_PHY_ID_MASK) != MII_M1111_PHY_ID) { + dev_err(&gw16083_client->dev, + "Port%d: No MV88E1111 PHY detected", port); + return 0; + //continue; + } + +#ifdef RGMII_DELAY_ON_PHY + /* phy rx/tx delay */ + reg = read_switch_port_phy(pdev, port, MII_M1111_PHY_EXT_CR); + reg |= (1<<1) | (1<<7); + write_switch_port_phy(pdev, port, MII_M1111_PHY_EXT_CR, reg); +#endif + /* led config */ + write_switch_port_phy(pdev, port, MII_M1111_PHY_LED_CONTROL, + MII_M1111_PHY_LED_PULSE_STR); + /* reset phy */ + reg = read_switch_port_phy(pdev, port, MII_M1111_PHY_CONTROL); + reg |= MII_M1111_PHY_CONTROL_RESET; + write_switch_port_phy(pdev, port, MII_M1111_PHY_CONTROL, reg); + dev_info(&gw16083_client->dev, + "Port%d MV88E111 PHY configured\n", port); + } + + /* + * GPIO Configuration: + * GPIO1: FIB5_TXEN# (output) + * GPIO2: FIB6_TXEN# (output) + * GPIO3: FIB6_PRES# (input) + * GPIO4: FIB6_LOS (input) + * GPIO5: FIB5_PRES# (input) + * GPIO6: FIB5_LOS (input) + */ + write_switch_scratch(pdev, MV_GPIO_DATA, 0x06); /* GPIO[2:1] out hi */ + write_switch_scratch(pdev, MV_GPIO_DIR, 0x78); /* GPIO[6:3] inp */ + + pdev->irq = PHY_POLL; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + memset(priv, 0, sizeof(*priv)); + priv->phydev = pdev; + priv->client = gw16083_client; + priv->port5.port = 5; + priv->port6.port = 6; + dev_set_drvdata(&pdev->dev, priv); + + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet1); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet2); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet3); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet4); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet5); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet6); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet5_sfp); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet6_sfp); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet5_mode); + ret |= device_create_file(&pdev->dev, &dev_attr_ethernet6_mode); + + if (unlikely(ret)) + dev_err(&pdev->dev, "Failed creating attrs\n"); + + /* Add a nice symlink to the real device */ + ret = sysfs_create_link(kernel_kobj, &pdev->dev.kobj, "gw16083"); + + dev_dbg(&pdev->dev, "initial state: GPIO=0x%02x " + "Port5_serdes=%d Port6_serdes=%d\n", + read_switch_scratch(pdev, MV_GPIO_DATA), + (read_switch_port_phy(pdev, 5, MII_M1111_PHY_EXT_SR) + & (1<<13) ? 1:0), + (read_switch_port_phy(pdev, 6, MII_M1111_PHY_EXT_SR) + & (1<<13) ? 1:0)); + + return ret; +} + +static struct phy_driver mv88e6176_phy_driver = { + .name = "MV88E6176", + .phy_id = MV_IDENT_VALUE, + .phy_id_mask = MV_IDENT_MASK, + .features = PHY_BASIC_FEATURES, + .probe = &mv88e6176_probe, + .remove = &mv88e6176_remove, + .config_init = &mv88e6176_config_init, + .config_aneg = &mv88e6176_config_aneg, + .read_status = &mv88e6176_read_status, + .driver = { .owner = THIS_MODULE }, +}; + +/* + * I2C driver + */ + +/* See SFF-8472 */ +struct sfp_msa { + /* Basic ID fields */ + u8 identifier; + u8 ext_identifier; + u8 connector; + u8 transceiver[8]; + u8 encoding; + u8 br_nominal; + u8 rate_identifier; + u8 length_smf_km; + u8 length_smf; + u8 length_om2; + u8 length_om1; + u8 length_om4; + u8 length_om3; + u8 vendor_name[16]; + u8 transceiver2; + u8 vendor_oui[3]; + u8 vendor_pn[16]; + u8 vendor_rev[4]; + u8 wavelength[2]; + u8 resv1; + u8 cc_base; + + /* extended id fields */ + u8 options[2]; + u8 br_max; + u8 br_min; + u8 vendor_sn[16]; + u8 date_code[8]; + u8 diags_type; + u8 enhanced_options; + u8 sff8472_compliance; + u8 cc_ext; + + /* Vendor specific ID fields */ + u8 vendor_data[32]; + u8 sff8079[128]; +}; + +enum identifier { + UNKNOWN, + GBIC, + SFF, + SFP, + XBI, + XENPACK, + XFP, + XFF, + XFP_E, + XPAK, + X2, + DWDM_SFP, + QSFP, + MAX_ID, +}; + +const char* id_names[] = { + "UNKONWN", + "GBIC", + "SFF", + "SFP", + NULL, +}; + +/* Flags for SFP modules compatible with ETH up to 1Gb */ +struct sfp_flags { + u8 e1000_base_sx:1; + u8 e1000_base_lx:1; + u8 e1000_base_cx:1; + u8 e1000_base_t:1; + u8 e100_base_lx:1; + u8 e100_base_fx:1; + u8 e10_base_bx10:1; + u8 e10_base_px:1; +}; + +#define STRING_APPEND(str, src) \ + strncat(str, src, sizeof(src)); \ + for (i = 1; i < sizeof(str); i++) \ + if (str[i-1] == ' ' && str[i] == ' ') \ + str[i] = 0; + +static int gw16083_read_port_sfp(struct i2c_client *client, + struct mv88e1111_port_state *state) +{ + int ret = 0; + u8 data[256]; + struct sfp_flags *eth_flags; + u8 crc; + int i; + u8 *str; + struct sfp_msa *sfp_msa = (struct sfp_msa *)data; + int port = state->port; + union i2c_smbus_data d; + + dev_dbg(&client->dev, "%s Port%d\n", __func__, port); + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_READ_I2C_BLOCK)) + return -ENODEV; + d.byte = (port == 5) ? 1 : 2; + if (i2c_smbus_xfer(client->adapter, GW16083_I2C_ADDR_PCA9543, + client->flags, I2C_SMBUS_WRITE, 0, + I2C_SMBUS_BYTE_DATA, &d) < 0) + { + dev_err(&client->dev, + "Port%d: failed writing PCA9543 register\n", port); + return ret; + } + + /* read all 256 bytes of SFP EEPROM */ + for (i = 0; i < sizeof(data); i += I2C_SMBUS_BLOCK_MAX) { + d.block[0] = I2C_SMBUS_BLOCK_MAX; + if (i2c_smbus_xfer(client->adapter, GW16083_I2C_ADDR_SFP1, + client->flags, I2C_SMBUS_READ, i, + I2C_SMBUS_I2C_BLOCK_DATA, &d) < 0) + { + dev_err(&client->dev, + "Port%d: failed reading SFP data\n", port); + return ret; + } + memcpy(data + i, d.block + 1, I2C_SMBUS_BLOCK_MAX); + } + + /* Validate checksums */ + for (crc = 0, i = 0; i < 63; i++) + crc += data[i]; + if (crc != sfp_msa->cc_base) { + dev_err(&client->dev, "Port%d: " + "Checksum failure for Base ID fields: 0x%02x\n", port, + crc); +#ifdef FAIL_ON_CHECKSUM_ERR + return -EINVAL; +#endif + } + for (crc = 0, i = 64; i < 95; i++) + crc += data[i]; + if (crc != sfp_msa->cc_ext) { + dev_err(&client->dev, "Port%d: " + "Checksum failure for Extended ID fields: 0x%02x\n", + port, crc); +#ifdef FAIL_ON_CHECKSUM_ERR + return -EINVAL; +#endif + } + state->sfp_id[0] = 0; + for (i = 0; id_names[i]; i++) { + if (sfp_msa->identifier == i) { + sprintf(state->sfp_id, "%s: ", id_names[i]); + break; + } + } + STRING_APPEND(state->sfp_id, sfp_msa->vendor_oui); + STRING_APPEND(state->sfp_id, sfp_msa->vendor_name); + STRING_APPEND(state->sfp_id, sfp_msa->vendor_pn); + STRING_APPEND(state->sfp_id, sfp_msa->vendor_rev); + STRING_APPEND(state->sfp_id, sfp_msa->vendor_sn); + dev_info(&client->dev, "Port%d: %s\n", port, state->sfp_id); + + if ((sfp_msa->identifier != GBIC) && + (sfp_msa->identifier != SFF) && + (sfp_msa->identifier != SFP)) + { + dev_err(&client->dev, "Port%d: Unknown module identifier: %d\n", + port, sfp_msa->identifier); + return -EINVAL; + } + + str = ""; + eth_flags = (struct sfp_flags *)(sfp_msa->transceiver + 3); + if (eth_flags->e1000_base_sx) { + str = "1000Base-SX (Fiber)"; + } else if (eth_flags->e1000_base_lx) { + str = "1000Base-LX (Fiber)"; + } else if (eth_flags->e1000_base_t) { + str = "1000Base-T (Copper)"; + } else if (eth_flags->e100_base_fx) { + str = "100Base-FX (Fiber) - not supported"; + ret = -EINVAL; + } else { + str = "Unknown/Unsupported media type"; + ret = -EINVAL; + } + if (ret) + dev_err(&client->dev, "Port%d: %s (0x%02x)\n", port, str, + sfp_msa->transceiver[3]); + else + dev_info(&client->dev, "Port%d: %s (0x%02x)\n", port, str, + sfp_msa->transceiver[3]); + + return ret; +} + +static int gw16083_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret; + + dev_info(&client->dev, "GW16083 Ethernet Expansion Mezzanine\n"); + if (gw16083_client) { + dev_err(&client->dev, "client already registered\n"); + return -EINVAL; + } + gw16083_client = client; + + ret = phy_driver_register(&mv88e6176_phy_driver); + if (ret) + dev_err(&client->dev, + "failed to register mv88e6176 phy driver: %d\n", ret); + return ret; +} + +static int gw16083_remove(struct i2c_client *client) +{ + dev_dbg(&client->dev, "%s\n", __func__); + + phy_driver_unregister(&mv88e6176_phy_driver); + gw16083_client = NULL; + return 0; +} + +static const struct of_device_id gw16083_dt_ids[] = { + { .compatible = "gateworks,gw16083", }, + { } +}; + +MODULE_DEVICE_TABLE(of, gw16083_dt_ids); + +static const struct i2c_device_id gw16083_id[] = { + { "gw16083", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, gw16083_id); + +static struct i2c_driver gw16083_driver = { + .driver = { + .name = "gw16083", + .of_match_table = gw16083_dt_ids, + }, + .probe = gw16083_probe, + .remove = gw16083_remove, + .id_table = gw16083_id, +}; + +static int __init mv88e6176_init(void) +{ + return i2c_add_driver(&gw16083_driver); +} + +static void __exit mv88e6176_exit(void) +{ + i2c_del_driver(&gw16083_driver); +} + +module_init(mv88e6176_init); +module_exit(mv88e6176_exit); diff --git a/target/linux/imx6/files-3.18/drivers/net/phy/gw16083.h b/target/linux/imx6/files-3.18/drivers/net/phy/gw16083.h new file mode 100644 index 0000000000..db96f2b7b3 --- /dev/null +++ b/target/linux/imx6/files-3.18/drivers/net/phy/gw16083.h @@ -0,0 +1,123 @@ +/* + * drivers/net/phy/mv88e6176.h + * + * Driver for Marvell Switch + * + * Author: Tim Harvey + * + * Copyright (c) 2014 Tim Harvey <tharvey@gateworks.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef _GW16083_H_ +#define _GW16083_H_ + +#define MII_MARVELL_PHY_PAGE 22 + +/* + * I2C Addresses + */ +#define GW16083_I2C_ADDR_SFP1 0x50 +#define GW16083_I2C_ADDR_SFP2 0x51 +#define GW16083_I2C_ADDR_EEPROM 0x52 +#define GW16083_I2C_ADDR_PCA9543 0x70 + +/* + * MV88E1111 PHY Registers + */ +enum { + MII_M1111_PHY_CONTROL = 0, + MII_M1111_PHY_STATUS = 1, + MII_M1111_PHY_IDENT0 = 2, + MII_M1111_PHY_IDENT1 = 3, + MII_M1111_PHY_EXT_CR = 20, + MII_M1111_PHY_LED_CONTROL = 24, + MII_M1111_PHY_EXT_SR = 27, +}; + +#define MII_M1111_PHY_ID_MASK 0xfffffff0 +#define MII_M1111_PHY_ID 0x01410cc0 + +#define MII_M1111_PHY_CONTROL_RESET (1 << 15) +#define MII_M1111_PHY_LED_DIRECT 0x4100 +#define MII_M1111_PHY_LED_PULSE_STR 0x4111 +#define MII_M1111_PHY_LED_COMBINE 0x411c +#define MII_M1111_RX_DELAY 0x80 +#define MII_M1111_TX_DELAY 0x2 + +/* + * MV88E6176 Switch Registers + */ + +/* PHY Addrs */ +#define MV_BASE 0x10 +#define MV_GLOBAL1 0x1b +#define MV_GLOBAL2 0x1c +#define MV_GLOBAL3 0x1d + +/* Global2 Registers */ +enum { + MV_SMI_PHY_COMMAND = 0x18, + MV_SMI_PHY_DATA = 0x19, + MV_SCRATCH_MISC = 0x1A, +}; + +/* Scratch And Misc Reg offsets */ +enum { + MV_GPIO_MODE = 0x60, + MV_GPIO_DIR = 0x62, + MV_GPIO_DATA = 0x64, + MV_GPIO76_CNTL = 0x6B, + MV_GPIO54_CNTL = 0x6A, + MV_GPIO32_CNTL = 0x69, + MV_GPIO10_CNTL = 0x68, + MV_CONFIG0 = 0x70, + MV_CONFIG1 = 0x71, + MV_CONFIG2 = 0x72, + MV_CONFIG3 = 0x73, +}; + +/* PHY Registers */ +enum { + MV_PHY_CONTROL = 0x00, + MV_PHY_STATUS = 0x01, + MV_PHY_IDENT0 = 0x02, + MV_PHY_IDENT1 = 0x03, + MV_PHY_ANEG = 0x04, + MV_PHY_LINK_ABILITY = 0x05, + MV_PHY_ANEG_EXPAND = 0x06, + MV_PHY_XMIT_NEXTP = 0x07, + MV_PHY_LINK_NEXTP = 0x08, + MV_PHY_CONTROL1 = 0x10, + MV_PHY_STATUS1 = 0x11, + MV_PHY_INTR_EN = 0x12, +}; + +/* Port Registers */ +enum { + MV_PORT_STATUS = 0x00, + MV_PORT_PHYS_CONTROL = 0x01, + MV_PORT_IDENT = 0x03, + MV_PORT_CONTROL = 0x04, + MV_PORT_VLANMAP = 0x06, + MV_PORT_ASSOC = 0x0b, + MV_PORT_RXCOUNT = 0x10, + MV_PORT_TXCOUNT = 0x11, +}; + +#define SMIBUSY (1<<15) +#define SMIMODE22 (1<<12) +#define SMIOP_READ (2<<10) +#define SMIOP_WRITE (1<<10) +#define DEVADDR 5 +#define REGADDR 0 + +#define MV_IDENT_MASK 0x0000fff0 +#define MV_IDENT_VALUE 0x00001760 + +#endif /* _GW16083_H_ */ diff --git a/target/linux/imx6/patches-3.18/100-bootargs.patch b/target/linux/imx6/patches-3.18/100-bootargs.patch new file mode 100644 index 0000000000..0954391203 --- /dev/null +++ b/target/linux/imx6/patches-3.18/100-bootargs.patch @@ -0,0 +1,11 @@ +--- a/arch/arm/boot/dts/imx6dl-wandboard.dts ++++ b/arch/arm/boot/dts/imx6dl-wandboard.dts +@@ -19,4 +19,8 @@ + memory { + reg = <0x10000000 0x40000000>; + }; ++ ++ chosen { ++ bootargs = "console=ttymxc0,115200"; ++ }; + }; diff --git a/target/linux/imx6/patches-3.18/200-pci_designware_add-ability-for-custom-swizzle.patch b/target/linux/imx6/patches-3.18/200-pci_designware_add-ability-for-custom-swizzle.patch new file mode 100644 index 0000000000..38e5123507 --- /dev/null +++ b/target/linux/imx6/patches-3.18/200-pci_designware_add-ability-for-custom-swizzle.patch @@ -0,0 +1,33 @@ +commit e84634dc6c7f3f6af9b8ef1fb36f0d85c476ab95 +Author: Tim Harvey <tharvey@gateworks.com> +Date: Thu Feb 27 01:02:23 2014 -0800 + + PCI: designware: add ability for custom swizzle + + Add the ability for a platform driver to provide a platform-specific + swizzle function. + + Signed-off-by: Tim Harvey <tharvey@gateworks.com> + +--- a/drivers/pci/host/pcie-designware.c ++++ b/drivers/pci/host/pcie-designware.c +@@ -492,6 +492,9 @@ int __init dw_pcie_host_init(struct pcie + if (pp->ops->host_init) + pp->ops->host_init(pp); + ++ if (pp->swizzle) ++ dw_pci.swizzle = pp->swizzle; ++ + dw_pcie_wr_own_conf(pp, PCI_BASE_ADDRESS_0, 4, 0); + + /* program correct class for RC */ +--- a/drivers/pci/host/pcie-designware.h ++++ b/drivers/pci/host/pcie-designware.h +@@ -53,6 +53,7 @@ struct pcie_port { + struct irq_domain *irq_domain; + unsigned long msi_data; + DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS); ++ u8 (*swizzle)(struct pci_dev *, u8 *); + }; + + struct pcie_host_ops { diff --git a/target/linux/imx6/patches-3.18/201-pci_imx6_ventana_fixup-for-IRQ-mismapping.patch b/target/linux/imx6/patches-3.18/201-pci_imx6_ventana_fixup-for-IRQ-mismapping.patch new file mode 100644 index 0000000000..4db1569d89 --- /dev/null +++ b/target/linux/imx6/patches-3.18/201-pci_imx6_ventana_fixup-for-IRQ-mismapping.patch @@ -0,0 +1,81 @@ +commit 2c0d0491438433a1f327f2e754c7b6b55fec51c4 +Author: Tim Harvey <tharvey@gateworks.com> +Date: Thu Feb 27 00:59:53 2014 -0800 + + PCI: imx6: ventana: fixup for IRQ mismapping + + The TI XIO2001 PCIe-to-PCI bridge used on several Ventana expansion boards + has its slot-to-bridge IRQ mapping reversed from the PCI specification: + + INTA->INTD + INTB->INTC + INTC->INTB + INTD->INTA + + Implement a custom swizzle function that does a fixup on the interrupt for + devices on a TI XIO2001 bridge. + + Signed-off-by: Tim Harvey <tharvey@gateworks.com> + +--- a/drivers/pci/host/pci-imx6.c ++++ b/drivers/pci/host/pci-imx6.c +@@ -553,6 +553,39 @@ static int __init imx6_add_pcie_port(str + return 0; + } + ++/* TI XIO2001 PCIe-to-PCI bridge on GW16082 exp card has IRQs reversed */ ++u8 ventana_swizzle(struct pci_dev *dev, u8 *pin) ++{ ++ u8 i = 0; ++ struct pci_dev *pdev = dev; ++ ++ /* count number of TI XIO2001 bridges on bus */ ++ while (!pci_is_root_bus(pdev->bus)) { ++ if (pdev->bus && pdev->bus->self && ++ (pdev->bus->self->vendor == PCI_VENDOR_ID_TI) && ++ (pdev->bus->self->device == PCI_DEVICE_ID_TI_XIO2001)) { ++ i++; ++ } ++ pdev = pdev->bus->self; ++ } ++ while (!pci_is_root_bus(dev->bus)) { ++ /* if we are directly downstream from 1st TI XIO2001 bridge */ ++ if (dev->bus && dev->bus->self && ++ (dev->bus->self->vendor == PCI_VENDOR_ID_TI) && ++ (dev->bus->self->device == PCI_DEVICE_ID_TI_XIO2001)) { ++ if (--i == 0) { ++ /* swap IRQs and swizzle backwards */ ++ *pin = (15 - PCI_SLOT(dev->devfn)) + 1; ++ dev = dev->bus->self; ++ continue; ++ } ++ } ++ *pin = pci_swizzle_interrupt_pin(dev, *pin); ++ dev = dev->bus->self; ++ } ++ return PCI_SLOT(dev->devfn); ++} ++ + static int __init imx6_pcie_probe(struct platform_device *pdev) + { + struct imx6_pcie *imx6_pcie; +@@ -618,6 +651,9 @@ static int __init imx6_pcie_probe(struct + return PTR_ERR(imx6_pcie->iomuxc_gpr); + } + ++ if (of_machine_is_compatible("gw,ventana")) ++ pp->swizzle = ventana_swizzle; ++ + ret = imx6_add_pcie_port(pp, pdev); + if (ret < 0) + return ret; +--- a/include/linux/pci_ids.h ++++ b/include/linux/pci_ids.h +@@ -827,6 +827,7 @@ + #define PCI_DEVICE_ID_TI_XX12 0x8039 + #define PCI_DEVICE_ID_TI_XX12_FM 0x803b + #define PCI_DEVICE_ID_TI_XIO2000A 0x8231 ++#define PCI_DEVICE_ID_TI_XIO2001 0x8240 + #define PCI_DEVICE_ID_TI_1130 0xac12 + #define PCI_DEVICE_ID_TI_1031 0xac13 + #define PCI_DEVICE_ID_TI_1131 0xac15 diff --git a/target/linux/imx6/patches-3.18/202-net-igb-add-i210-i211-support-for-phy-read-write.patch b/target/linux/imx6/patches-3.18/202-net-igb-add-i210-i211-support-for-phy-read-write.patch new file mode 100644 index 0000000000..fb4b722569 --- /dev/null +++ b/target/linux/imx6/patches-3.18/202-net-igb-add-i210-i211-support-for-phy-read-write.patch @@ -0,0 +1,129 @@ +Author: Tim Harvey <tharvey@gateworks.com> +Date: Thu May 15 00:12:26 2014 -0700 + + net: igb: add i210/i211 support for phy read/write + + The i210/i211 uses the MDICNFG register for the phy address instead of the + MDIC register. + + Signed-off-by: Tim Harvey <tharvey@gateworks.com> + +--- a/drivers/net/ethernet/intel/igb/e1000_phy.c ++++ b/drivers/net/ethernet/intel/igb/e1000_phy.c +@@ -135,7 +135,7 @@ out: + s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) + { + struct e1000_phy_info *phy = &hw->phy; +- u32 i, mdic = 0; ++ u32 i, mdicnfg, mdic = 0; + s32 ret_val = 0; + + if (offset > MAX_PHY_REG_ADDRESS) { +@@ -148,11 +148,25 @@ s32 igb_read_phy_reg_mdic(struct e1000_h + * Control register. The MAC will take care of interfacing with the + * PHY to retrieve the desired data. + */ +- mdic = ((offset << E1000_MDIC_REG_SHIFT) | +- (phy->addr << E1000_MDIC_PHY_SHIFT) | +- (E1000_MDIC_OP_READ)); ++ switch (hw->mac.type) { ++ case e1000_i210: ++ case e1000_i211: ++ mdicnfg = rd32(E1000_MDICNFG); ++ mdicnfg &= ~(E1000_MDICNFG_PHY_MASK); ++ mdicnfg |= (phy->addr << E1000_MDICNFG_PHY_SHIFT); ++ wr32(E1000_MDICNFG, mdicnfg); ++ mdic = ((offset << E1000_MDIC_REG_SHIFT) | ++ (E1000_MDIC_OP_READ)); ++ break; ++ default: ++ mdic = ((offset << E1000_MDIC_REG_SHIFT) | ++ (phy->addr << E1000_MDIC_PHY_SHIFT) | ++ (E1000_MDIC_OP_READ)); ++ break; ++ } + + wr32(E1000_MDIC, mdic); ++ wrfl(); + + /* Poll the ready bit to see if the MDI read completed + * Increasing the time out as testing showed failures with +@@ -177,6 +191,18 @@ s32 igb_read_phy_reg_mdic(struct e1000_h + *data = (u16) mdic; + + out: ++ switch (hw->mac.type) { ++ /* restore MDICNFG to have phy's addr */ ++ case e1000_i210: ++ case e1000_i211: ++ mdicnfg = rd32(E1000_MDICNFG); ++ mdicnfg &= ~(E1000_MDICNFG_PHY_MASK); ++ mdicnfg |= (hw->phy.addr << E1000_MDICNFG_PHY_SHIFT); ++ wr32(E1000_MDICNFG, mdicnfg); ++ break; ++ default: ++ break; ++ } + return ret_val; + } + +@@ -191,7 +217,7 @@ out: + s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) + { + struct e1000_phy_info *phy = &hw->phy; +- u32 i, mdic = 0; ++ u32 i, mdicnfg, mdic = 0; + s32 ret_val = 0; + + if (offset > MAX_PHY_REG_ADDRESS) { +@@ -204,12 +230,27 @@ s32 igb_write_phy_reg_mdic(struct e1000_ + * Control register. The MAC will take care of interfacing with the + * PHY to retrieve the desired data. + */ +- mdic = (((u32)data) | +- (offset << E1000_MDIC_REG_SHIFT) | +- (phy->addr << E1000_MDIC_PHY_SHIFT) | +- (E1000_MDIC_OP_WRITE)); ++ switch (hw->mac.type) { ++ case e1000_i210: ++ case e1000_i211: ++ mdicnfg = rd32(E1000_MDICNFG); ++ mdicnfg &= ~(E1000_MDICNFG_PHY_MASK); ++ mdicnfg |= (phy->addr << E1000_MDICNFG_PHY_SHIFT); ++ wr32(E1000_MDICNFG, mdicnfg); ++ mdic = (((u32)data) | ++ (offset << E1000_MDIC_REG_SHIFT) | ++ (E1000_MDIC_OP_WRITE)); ++ break; ++ default: ++ mdic = (((u32)data) | ++ (offset << E1000_MDIC_REG_SHIFT) | ++ (phy->addr << E1000_MDIC_PHY_SHIFT) | ++ (E1000_MDIC_OP_WRITE)); ++ break; ++ } + + wr32(E1000_MDIC, mdic); ++ wrfl(); + + /* Poll the ready bit to see if the MDI read completed + * Increasing the time out as testing showed failures with +@@ -233,6 +274,18 @@ s32 igb_write_phy_reg_mdic(struct e1000_ + } + + out: ++ switch (hw->mac.type) { ++ /* restore MDICNFG to have phy's addr */ ++ case e1000_i210: ++ case e1000_i211: ++ mdicnfg = rd32(E1000_MDICNFG); ++ mdicnfg &= ~(E1000_MDICNFG_PHY_MASK); ++ mdicnfg |= (hw->phy.addr << E1000_MDICNFG_PHY_SHIFT); ++ wr32(E1000_MDICNFG, mdicnfg); ++ break; ++ default: ++ break; ++ } + return ret_val; + } + diff --git a/target/linux/imx6/patches-3.18/205-phy-add-driver-for-GW16083-Ethernet-Expansion-Mezzan.patch b/target/linux/imx6/patches-3.18/205-phy-add-driver-for-GW16083-Ethernet-Expansion-Mezzan.patch new file mode 100644 index 0000000000..e991fad51c --- /dev/null +++ b/target/linux/imx6/patches-3.18/205-phy-add-driver-for-GW16083-Ethernet-Expansion-Mezzan.patch @@ -0,0 +1,27 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -292,6 +292,14 @@ endif # RTL8366_SMI + + source "drivers/net/phy/b53/Kconfig" + ++config GATEWORKS_GW16083 ++ tristate "Gateworks GW16083 Ethernet Expansion Mezzanine" ++ ---help--- ++ The Gateworks GW16083 Ethernet Expansion Mezzanine connects to a ++ Gateworks Ventana baseboard and provides a 7-port GbE managed ++ Ethernet switch with 4 dedicated GbE RJ45 ports, and 2 Gbe/SFP ++ ports" ++ + endif # PHYLIB + + config MICREL_KS8995MA +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -40,6 +40,7 @@ obj-$(CONFIG_NATIONAL_PHY) += national.o + obj-$(CONFIG_DP83640_PHY) += dp83640.o + obj-$(CONFIG_STE10XP) += ste10Xp.o + obj-$(CONFIG_MICREL_PHY) += micrel.o ++obj-$(CONFIG_GATEWORKS_GW16083) += gw16083.o + obj-$(CONFIG_MDIO_OCTEON) += mdio-octeon.o + obj-$(CONFIG_MICREL_KS8995MA) += spi_ks8995.o + obj-$(CONFIG_AT803X_PHY) += at803x.o diff --git a/target/linux/imx6/patches-3.18/206-ARM-imx-ventana-added-GW16083-to-device-tree.patch b/target/linux/imx6/patches-3.18/206-ARM-imx-ventana-added-GW16083-to-device-tree.patch new file mode 100644 index 0000000000..6f31f956de --- /dev/null +++ b/target/linux/imx6/patches-3.18/206-ARM-imx-ventana-added-GW16083-to-device-tree.patch @@ -0,0 +1,56 @@ +--- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi +@@ -89,6 +89,11 @@ + enable-active-high; + }; + }; ++ ++ gw16083: gw16083@52 { ++ compatible = "gateworks,gw16083"; ++ reg = <0x52>; ++ }; + }; + + &fec { +--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +@@ -266,6 +266,11 @@ + }; + }; + }; ++ ++ gw16083: gw16083@52 { ++ compatible = "gateworks,gw16083"; ++ reg = <0x52>; ++ }; + }; + + &pcie { +--- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +@@ -267,6 +267,11 @@ + }; + }; + }; ++ ++ gw16083: gw16083@52 { ++ compatible = "gateworks,gw16083"; ++ reg = <0x52>; ++ }; + }; + + &pcie { +--- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +@@ -308,6 +308,11 @@ + }; + }; + }; ++ ++ gw16083: gw16083@52 { ++ compatible = "gateworks,gw16083"; ++ reg = <0x52>; ++ }; + }; + + &i2c3 { |