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Message-Id: <00cd91f75c60bb009b8df0a1842727560295f794.1516361184.git.igor.russkikh@aquantia.com>
Date: Fri, 19 Jan 2018 17:03:25 +0300
From: Igor Russkikh <igor.russkikh@...antia.com>
To: "David S . Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, David Arcari <darcari@...hat.com>,
Pavel Belous <pavel.belous@...antia.com>,
Igor Russkikh <igor.russkikh@...antia.com>
Subject: [PATCH net-next 08/11] 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 <igor.russkikh@...antia.com>
---
drivers/net/ethernet/aquantia/atlantic/Makefile | 1 +
drivers/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 ++++++-
.../aquantia/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 e4ae696..686f6d8 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 33a7c14..51b5569 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 acd506a..ff9fc61 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 d6d05e5..2c69094 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 0000000..8cfce95
--- /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,
+};
--
2.7.4
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