From a57d3929b838204efd026e0f6d5eaed5bb65cce7 Mon Sep 17 00:00:00 2001 From: Igor Russkikh Date: Fri, 19 Jan 2018 17:03:25 +0300 Subject: [PATCH] net: aquantia: Introduce support for new firmware on AQC cards This defines fw2x operations table and corresponding methods. Some of the functions are being shared with 1.x firmware Signed-off-by: Igor Russkikh Signed-off-by: David S. Miller --- .../net/ethernet/aquantia/atlantic/Makefile | 1 + .../net/ethernet/aquantia/atlantic/aq_hw.h | 1 - .../aquantia/atlantic/hw_atl/hw_atl_utils.c | 12 +- .../aquantia/atlantic/hw_atl/hw_atl_utils.h | 63 +++++- .../atlantic/hw_atl/hw_atl_utils_fw2x.c | 184 ++++++++++++++++++ 5 files changed, 257 insertions(+), 4 deletions(-) create mode 100644 drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c diff --git a/drivers/net/ethernet/aquantia/atlantic/Makefile b/drivers/net/ethernet/aquantia/atlantic/Makefile index e4ae696920ef..686f6d8c9e79 100644 --- a/drivers/net/ethernet/aquantia/atlantic/Makefile +++ b/drivers/net/ethernet/aquantia/atlantic/Makefile @@ -39,4 +39,5 @@ atlantic-objs := aq_main.o \ hw_atl/hw_atl_a0.o \ hw_atl/hw_atl_b0.o \ hw_atl/hw_atl_utils.o \ + hw_atl/hw_atl_utils_fw2x.o \ hw_atl/hw_atl_llh.o diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h index 33a7c14c3bc6..51b55694a1f6 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h @@ -42,7 +42,6 @@ struct aq_hw_caps_s { u8 rx_rings; bool flow_control; bool is_64_dma; - u32 fw_ver_expected; }; struct aq_hw_link_status_s { diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c index 616475ea5b2f..56fb048c4ddc 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c @@ -32,6 +32,8 @@ #define HW_ATL_MPI_SPEED_SHIFT 16U #define HW_ATL_FW_VER_1X 0x01050006U +#define HW_ATL_FW_VER_2X 0x02000000U +#define HW_ATL_FW_VER_3X 0x03000000U static int hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual); @@ -46,6 +48,12 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops) if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X, self->fw_ver_actual) == 0) *fw_ops = &aq_fw_1x_ops; + else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_2X, + self->fw_ver_actual) == 0) + *fw_ops = &aq_fw_2x_ops; + else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_3X, + self->fw_ver_actual) == 0) + *fw_ops = &aq_fw_2x_ops; else { aq_pr_err("Bad FW version detected: %x\n", self->fw_ver_actual); @@ -56,8 +64,8 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops) return err; } -static int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a, - u32 *p, u32 cnt) +int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a, + u32 *p, u32 cnt) { int err = 0; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h index d6d05e5eb939..2c690947910a 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h @@ -163,7 +163,7 @@ struct __packed hw_aq_atl_utils_mbox { #define HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 0x02000000U #define IS_CHIP_FEATURE(_F_) (HAL_ATLANTIC_UTILS_CHIP_##_F_ & \ - self->chip_features) + self->chip_features) enum hal_atl_utils_fw_state_e { MPI_DEINIT = 0, @@ -180,6 +180,64 @@ enum hal_atl_utils_fw_state_e { #define HAL_ATLANTIC_RATE_100M BIT(5) #define HAL_ATLANTIC_RATE_INVALID BIT(6) +enum hw_atl_fw2x_rate { + FW2X_RATE_100M = 0x20, + FW2X_RATE_1G = 0x100, + FW2X_RATE_2G5 = 0x200, + FW2X_RATE_5G = 0x400, + FW2X_RATE_10G = 0x800, +}; + +enum hw_atl_fw2x_caps_lo { + CAPS_LO_10BASET_HD = 0x00, + CAPS_LO_10BASET_FD, + CAPS_LO_100BASETX_HD, + CAPS_LO_100BASET4_HD, + CAPS_LO_100BASET2_HD, + CAPS_LO_100BASETX_FD, + CAPS_LO_100BASET2_FD, + CAPS_LO_1000BASET_HD, + CAPS_LO_1000BASET_FD, + CAPS_LO_2P5GBASET_FD, + CAPS_LO_5GBASET_FD, + CAPS_LO_10GBASET_FD, +}; + +enum hw_atl_fw2x_caps_hi { + CAPS_HI_RESERVED1 = 0x00, + CAPS_HI_10BASET_EEE, + CAPS_HI_RESERVED2, + CAPS_HI_PAUSE, + CAPS_HI_ASYMMETRIC_PAUSE, + CAPS_HI_100BASETX_EEE, + CAPS_HI_RESERVED3, + CAPS_HI_RESERVED4, + CAPS_HI_1000BASET_FD_EEE, + CAPS_HI_2P5GBASET_FD_EEE, + CAPS_HI_5GBASET_FD_EEE, + CAPS_HI_10GBASET_FD_EEE, + CAPS_HI_RESERVED5, + CAPS_HI_RESERVED6, + CAPS_HI_RESERVED7, + CAPS_HI_RESERVED8, + CAPS_HI_RESERVED9, + CAPS_HI_CABLE_DIAG, + CAPS_HI_TEMPERATURE, + CAPS_HI_DOWNSHIFT, + CAPS_HI_PTP_AVB_EN, + CAPS_HI_MEDIA_DETECT, + CAPS_HI_LINK_DROP, + CAPS_HI_SLEEP_PROXY, + CAPS_HI_WOL, + CAPS_HI_MAC_STOP, + CAPS_HI_EXT_LOOPBACK, + CAPS_HI_INT_LOOPBACK, + CAPS_HI_EFUSE_AGENT, + CAPS_HI_WOL_TIMER, + CAPS_HI_STATISTICS, + CAPS_HI_TRANSACTION_ID, +}; + struct aq_hw_s; struct aq_fw_ops; struct aq_hw_caps_s; @@ -222,7 +280,10 @@ int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version); int hw_atl_utils_update_stats(struct aq_hw_s *self); struct aq_stats_s *hw_atl_utils_get_hw_stats(struct aq_hw_s *self); +int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a, + u32 *p, u32 cnt); extern const struct aq_fw_ops aq_fw_1x_ops; +extern const struct aq_fw_ops aq_fw_2x_ops; #endif /* HW_ATL_UTILS_H */ diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c new file mode 100644 index 000000000000..8cfce95c82fc --- /dev/null +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c @@ -0,0 +1,184 @@ +/* + * aQuantia Corporation Network Driver + * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +/* File hw_atl_utils_fw2x.c: Definition of firmware 2.x functions for + * Atlantic hardware abstraction layer. + */ + +#include "../aq_hw.h" +#include "../aq_hw_utils.h" +#include "../aq_pci_func.h" +#include "../aq_ring.h" +#include "../aq_vec.h" +#include "hw_atl_utils.h" +#include "hw_atl_llh.h" + +#define HW_ATL_FW2X_MPI_EFUSE_ADDR 0x364 +#define HW_ATL_FW2X_MPI_MBOX_ADDR 0x360 + +#define HW_ATL_FW2X_MPI_CONTROL_ADDR 0x368 +#define HW_ATL_FW2X_MPI_CONTROL2_ADDR 0x36C + +#define HW_ATL_FW2X_MPI_STATE_ADDR 0x370 +#define HW_ATL_FW2X_MPI_STATE2_ADDR 0x374 + +static int aq_fw2x_init(struct aq_hw_s *self) +{ + int err = 0; + + /* check 10 times by 1ms */ + AQ_HW_WAIT_FOR(0U != (self->mbox_addr = + aq_hw_read_reg(self, HW_ATL_FW2X_MPI_MBOX_ADDR)), + 1000U, 10U); + return err; +} + +static enum hw_atl_fw2x_rate link_speed_mask_2fw2x_ratemask(u32 speed) +{ + enum hw_atl_fw2x_rate rate = 0; + + if (speed & AQ_NIC_RATE_10G) + rate |= FW2X_RATE_10G; + + if (speed & AQ_NIC_RATE_5G) + rate |= FW2X_RATE_5G; + + if (speed & AQ_NIC_RATE_5GSR) + rate |= FW2X_RATE_5G; + + if (speed & AQ_NIC_RATE_2GS) + rate |= FW2X_RATE_2G5; + + if (speed & AQ_NIC_RATE_1G) + rate |= FW2X_RATE_1G; + + if (speed & AQ_NIC_RATE_100M) + rate |= FW2X_RATE_100M; + + return rate; +} + +static int aq_fw2x_set_link_speed(struct aq_hw_s *self, u32 speed) +{ + u32 val = link_speed_mask_2fw2x_ratemask(speed); + + aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL_ADDR, val); + + return 0; +} + +static int aq_fw2x_set_state(struct aq_hw_s *self, + enum hal_atl_utils_fw_state_e state) +{ + /* No explicit state in 2x fw */ + return 0; +} + +static int aq_fw2x_update_link_status(struct aq_hw_s *self) +{ + u32 mpi_state = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE_ADDR); + u32 speed = mpi_state & (FW2X_RATE_100M | FW2X_RATE_1G | + FW2X_RATE_2G5 | FW2X_RATE_5G | FW2X_RATE_10G); + struct aq_hw_link_status_s *link_status = &self->aq_link_status; + + if (speed) { + if (speed & FW2X_RATE_10G) + link_status->mbps = 10000; + else if (speed & FW2X_RATE_5G) + link_status->mbps = 5000; + else if (speed & FW2X_RATE_2G5) + link_status->mbps = 2500; + else if (speed & FW2X_RATE_1G) + link_status->mbps = 1000; + else if (speed & FW2X_RATE_100M) + link_status->mbps = 100; + else + link_status->mbps = 10000; + } else { + link_status->mbps = 0; + } + + return 0; +} + +int aq_fw2x_get_mac_permanent(struct aq_hw_s *self, u8 *mac) +{ + int err = 0; + u32 h = 0U; + u32 l = 0U; + u32 mac_addr[2] = { 0 }; + u32 efuse_addr = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_EFUSE_ADDR); + + if (efuse_addr != 0) { + err = hw_atl_utils_fw_downld_dwords(self, + efuse_addr + (40U * 4U), + mac_addr, + ARRAY_SIZE(mac_addr)); + if (err) + return err; + mac_addr[0] = __swab32(mac_addr[0]); + mac_addr[1] = __swab32(mac_addr[1]); + } + + ether_addr_copy(mac, (u8 *)mac_addr); + + if ((mac[0] & 0x01U) || ((mac[0] | mac[1] | mac[2]) == 0x00U)) { + unsigned int rnd = 0; + + get_random_bytes(&rnd, sizeof(unsigned int)); + + l = 0xE3000000U + | (0xFFFFU & rnd) + | (0x00 << 16); + h = 0x8001300EU; + + mac[5] = (u8)(0xFFU & l); + l >>= 8; + mac[4] = (u8)(0xFFU & l); + l >>= 8; + mac[3] = (u8)(0xFFU & l); + l >>= 8; + mac[2] = (u8)(0xFFU & l); + mac[1] = (u8)(0xFFU & h); + h >>= 8; + mac[0] = (u8)(0xFFU & h); + } + return err; +} + +static int aq_fw2x_update_stats(struct aq_hw_s *self) +{ + int err = 0; + u32 mpi_opts = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR); + u32 orig_stats_val = mpi_opts & BIT(CAPS_HI_STATISTICS); + + /* Toggle statistics bit for FW to update */ + mpi_opts = mpi_opts ^ BIT(CAPS_HI_STATISTICS); + aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR, mpi_opts); + + /* Wait FW to report back */ + AQ_HW_WAIT_FOR(orig_stats_val != + (aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE2_ADDR) & + BIT(CAPS_HI_STATISTICS)), + 1U, 10000U); + if (err) + return err; + + return hw_atl_utils_update_stats(self); +} + +const struct aq_fw_ops aq_fw_2x_ops = { + .init = aq_fw2x_init, + .reset = NULL, + .get_mac_permanent = aq_fw2x_get_mac_permanent, + .set_link_speed = aq_fw2x_set_link_speed, + .set_state = aq_fw2x_set_state, + .update_link_status = aq_fw2x_update_link_status, + .update_stats = aq_fw2x_update_stats, +}; -- 2.30.2