On Thu, Aug 11, 2016 at 04:34:05PM -0500, Timur Tabi wrote: > Add supports for ethernet controller HW on Qualcomm Technologies, Inc. SoC. > This driver supports the following features: > 1) Checksum offload. > 2) Interrupt coalescing support. > 3) SGMII phy. > 4) phylib interface for external phy > > Based on original work by > Niranjana Vishwanathapura <nvishwan@xxxxxxxxxxxxxx> > Gilad Avidov <gavidov@xxxxxxxxxxxxxx> > > Signed-off-by: Timur Tabi <timur@xxxxxxxxxxxxxx> > --- > > v8: > - Remove "phy-version" property, use different compatible strings to > differentiate EMAC versions instead. > - fully unmap all DMA mappings upon any single DMA mapping error > - add support for 32-bit DMA masks > - Make reads/writes to hardware data structures endian-safe > - emac_mac_stop already disables interrupts, so don't do it in emac_mac_reset > - Set adpt->rxbuf_size only when initializing the MAC, not when changing MTU > - Fix the calculation of the # of free descriptors required > - Always stop the PHY before disconnecting it > - Miscellaneous cleanups (removing unused definitions, fix typos and spacing, > use unsized ints, etc). > > v7: > - add "phy-version" to DT docs > - remove emac_status_bits, use mutexes instead of polling a status bit > - test return code from dma_map_single() calls > - use __netdev_alloc_skb_ip_align instead of dev_alloc_skb > - add a missing free_irq on an error path > - return an error code from emac_reinit_locked > - support setting the MTU even when the interface is down > - use a spinlock not a mutex in emac_get_stats64 > - don't redundantly set the ethernet device name > - remove all hardware timestamp code, since it's incomplete > - remove redundant 'reset' param to emac_mac_down() > - handle queue throttling properly > > v6: > - Properly ordered local variables > - use built-in GEN_MASK instead of BITS_MASK > - remove redundant call to emac_rx_mode_set from emac_mac_up > - removed emac_rfd structure, use dma_addr_t directly instead > - removed emac_mac_speed enun, replaced with macros > - removed superfluous phy_stop from emac_mac_down(), which prevented reloading module > - add missing netif_napi_del > - set the DMA mask > > v5: > - changed author to Timur, added MAINTAINERS entry > - use phylib, replacing internal phy code > - added support for EMAC internal SGMII v2 > - fix ~DIS_INT warning > - update DT bindings, including removing unused properties > - removed interrupt handler for internal sgmii > - removed link status check handler/state (replaced with phylib) > - removed periodic timer handler (replaced with phylib) > - removed power management code (will be rewritten later) > - external phy is now required, not optional > - removed redundant EMAC_STATUS_DOWN status flag > - removed redundant link status and speed variables > - removed redundant status bits (vlan strip, promiscuous, loopback, etc) > - removed useless watchdog status > - removed command-line parameters > - cleaned up probe messages > - removed redundant params from emac_sgmii_link_init() > - always call netdev_completed_queue() (per review comment) > - fix emac_napi_rtx() (per review comment) > - removed max_ints loop in interrupt handler > - removed redundant mutex around phy read/write calls > - added lock for reading emac status (per review comment) > - generate random MAC address if it can't be read from firmware > - replace EMAC_DMA_ADDR_HI/LO with upper/lower_32_bits > - don't test return value from platform_get_resource (per review comment) > - use net_warn_ratelimited (per review comment) > - don't set the dma masks (will be set by DT or IORT code) > - remove unused emac_tx_tpd_ts_save() > - removed redundant local MTU variable > > v4: > - add missing ipv6 header file > - correct compatible string > - fix spacing in emac_reg_write arrays > - drop unnecessary cell-index property > - remove unsupported DT properties from docs > - remove GPIO initialization and update docs > > v3: > - remove most of the memory barriers by using the non xxx_relaxed() api. > - remove RSS and WOL support. > - correct comments from physical address to dma address. > - rearrange structs to make them packed. > - replace polling loops with readl_poll_timeout(). > - remove unnecessary wrapper functions from phy layer. > - add blank line before return statements. > - set to null clocks after clk_put(). > - use module_platform_driver() and dma_set_mask_and_coherent() > - replace long hex bitmasks with BIT() macro. > > v2: > - replace hw bit fields to macros with bitwise operations. > - change all iterators to unsized types (int) > - some minor code flow improvements. > - change return type to void for functions which return value is never > used. > - replace instance of xxxxl_relaxed() io followed by mb() with a > readl()/writel(). > > .../devicetree/bindings/net/qcom-emac.txt | 64 + Acked-by: Rob Herring <robh@xxxxxxxxxx> > MAINTAINERS | 6 + > drivers/net/ethernet/qualcomm/Kconfig | 11 + > drivers/net/ethernet/qualcomm/Makefile | 2 + > drivers/net/ethernet/qualcomm/emac/Makefile | 7 + > drivers/net/ethernet/qualcomm/emac/emac-mac.c | 1532 ++++++++++++++++++++ > drivers/net/ethernet/qualcomm/emac/emac-mac.h | 250 ++++ > drivers/net/ethernet/qualcomm/emac/emac-phy.c | 201 +++ > drivers/net/ethernet/qualcomm/emac/emac-phy.h | 32 + > drivers/net/ethernet/qualcomm/emac/emac-sgmii.c | 693 +++++++++ > drivers/net/ethernet/qualcomm/emac/emac-sgmii.h | 24 + > drivers/net/ethernet/qualcomm/emac/emac.c | 796 ++++++++++ > drivers/net/ethernet/qualcomm/emac/emac.h | 335 +++++ > 13 files changed, 3953 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/qcom-emac.txt > create mode 100644 drivers/net/ethernet/qualcomm/emac/Makefile > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac-mac.c > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac-mac.h > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac-phy.c > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac-phy.h > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac-sgmii.c > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac-sgmii.h > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac.c > create mode 100644 drivers/net/ethernet/qualcomm/emac/emac.h -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
