[arm64] Backport various upstream fixes and improvements to the APM X-gene Ethernet driver
svn path=/dists/sid/linux/; revision=22073
This commit is contained in:
parent
9853c541cb
commit
787cba99f2
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@ -12,6 +12,8 @@ linux (3.16.7-3) UNRELEASED; urgency=medium
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* [armhf] Increase Ethernet phy startup delay on Banana-Pi. Patch from
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Karsten Merker (Closes: #767042)
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* [armhf] Enable FB_SIMPLE, used on some Exynos platforms and elsewhere.
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* [arm64] Backport various upstream fixes and improvements to the APM X-gene
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Ethernet driver.
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-- Ben Hutchings <ben@decadent.org.uk> Sun, 09 Nov 2014 10:13:09 +0000
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64
debian/patches/features/arm64/drivers-net-xgene-Add-10GbE-ethtool-support.patch
vendored
Normal file
64
debian/patches/features/arm64/drivers-net-xgene-Add-10GbE-ethtool-support.patch
vendored
Normal file
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@ -0,0 +1,64 @@
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From 23a92cd33a89eaf4c76c0a848ec878035c08cc85 Mon Sep 17 00:00:00 2001
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From: Iyappan Subramanian <isubramanian@apm.com>
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Date: Thu, 9 Oct 2014 18:32:07 -0700
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Subject: [PATCH 03/11] drivers: net: xgene: Add 10GbE ethtool support
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Origin: https://git.kernel.org/linus/41aace6e088d198f2441f3d0e579657d6815234c
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Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
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Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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.../net/ethernet/apm/xgene/xgene_enet_ethtool.c | 28 +++++++++++++++++-----
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1 file changed, 22 insertions(+), 6 deletions(-)
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diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
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index 63f2aa5..c1c997b 100644
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--- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
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+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
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@@ -59,10 +59,22 @@ static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
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struct xgene_enet_pdata *pdata = netdev_priv(ndev);
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struct phy_device *phydev = pdata->phy_dev;
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- if (phydev == NULL)
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- return -ENODEV;
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+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
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+ if (phydev == NULL)
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+ return -ENODEV;
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- return phy_ethtool_gset(phydev, cmd);
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+ return phy_ethtool_gset(phydev, cmd);
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+ }
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+
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+ cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
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+ cmd->advertising = cmd->supported;
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+ ethtool_cmd_speed_set(cmd, SPEED_10000);
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+ cmd->duplex = DUPLEX_FULL;
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+ cmd->port = PORT_FIBRE;
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+ cmd->transceiver = XCVR_EXTERNAL;
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+ cmd->autoneg = AUTONEG_DISABLE;
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+
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+ return 0;
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}
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static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
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@@ -70,10 +82,14 @@ static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
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struct xgene_enet_pdata *pdata = netdev_priv(ndev);
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struct phy_device *phydev = pdata->phy_dev;
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- if (phydev == NULL)
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- return -ENODEV;
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+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
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+ if (phydev == NULL)
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+ return -ENODEV;
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+
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+ return phy_ethtool_sset(phydev, cmd);
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+ }
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- return phy_ethtool_sset(phydev, cmd);
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+ return -EINVAL;
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}
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static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
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--
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2.1.0
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@ -0,0 +1,662 @@
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From 226068a83722c5cf3da300cce9bab7201088a061 Mon Sep 17 00:00:00 2001
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From: Iyappan Subramanian <isubramanian@apm.com>
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Date: Thu, 9 Oct 2014 18:32:06 -0700
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Subject: [PATCH 02/11] drivers: net: xgene: Add 10GbE support
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Origin: https://git.kernel.org/linus/0148d38d36b76b190ddddff68f02d2617ada3bcb
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- Added 10GbE support
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- Removed unused macros/variables
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- Moved mac_init call to the end of hardware init
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Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
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Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/apm/xgene/Makefile | 3 +-
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drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 14 +-
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drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 58 ++--
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drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 5 +-
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drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 331 ++++++++++++++++++++++
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drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h | 57 ++++
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6 files changed, 438 insertions(+), 30 deletions(-)
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create mode 100644 drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
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create mode 100644 drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
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diff --git a/drivers/net/ethernet/apm/xgene/Makefile b/drivers/net/ethernet/apm/xgene/Makefile
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index c643e8a..589b352 100644
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--- a/drivers/net/ethernet/apm/xgene/Makefile
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+++ b/drivers/net/ethernet/apm/xgene/Makefile
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@@ -2,5 +2,6 @@
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# Makefile for APM X-Gene Ethernet Driver.
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#
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-xgene-enet-objs := xgene_enet_hw.o xgene_enet_main.o xgene_enet_ethtool.o
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+xgene-enet-objs := xgene_enet_hw.o xgene_enet_xgmac.o \
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+ xgene_enet_main.o xgene_enet_ethtool.o
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obj-$(CONFIG_NET_XGENE) += xgene-enet.o
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diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
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index 084ac68..15ec426 100644
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--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
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+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
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@@ -42,6 +42,11 @@ static inline u32 xgene_get_bits(u32 val, u32 start, u32 end)
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return (val & GENMASK(end, start)) >> start;
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}
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+enum xgene_enet_rm {
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+ RM0,
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+ RM3 = 3
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+};
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+
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#define CSR_RING_ID 0x0008
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#define OVERWRITE BIT(31)
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#define IS_BUFFER_POOL BIT(20)
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@@ -52,7 +57,6 @@ static inline u32 xgene_get_bits(u32 val, u32 start, u32 end)
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#define CSR_RING_WR_BASE 0x0070
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#define NUM_RING_CONFIG 5
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#define BUFPOOL_MODE 3
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-#define RM3 3
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#define INC_DEC_CMD_ADDR 0x002c
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#define UDP_HDR_SIZE 2
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#define BUF_LEN_CODE_2K 0x5000
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@@ -94,11 +98,9 @@ static inline u32 xgene_get_bits(u32 val, u32 start, u32 end)
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#define BLOCK_ETH_CSR_OFFSET 0x2000
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#define BLOCK_ETH_RING_IF_OFFSET 0x9000
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-#define BLOCK_ETH_CLKRST_CSR_OFFSET 0xC000
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#define BLOCK_ETH_DIAG_CSR_OFFSET 0xD000
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#define BLOCK_ETH_MAC_OFFSET 0x0000
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-#define BLOCK_ETH_STATS_OFFSET 0x0014
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#define BLOCK_ETH_MAC_CSR_OFFSET 0x2800
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#define MAC_ADDR_REG_OFFSET 0x00
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@@ -107,12 +109,6 @@ static inline u32 xgene_get_bits(u32 val, u32 start, u32 end)
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#define MAC_READ_REG_OFFSET 0x0c
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#define MAC_COMMAND_DONE_REG_OFFSET 0x10
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-#define STAT_ADDR_REG_OFFSET 0x00
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-#define STAT_COMMAND_REG_OFFSET 0x04
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-#define STAT_WRITE_REG_OFFSET 0x08
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-#define STAT_READ_REG_OFFSET 0x0c
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-#define STAT_COMMAND_DONE_REG_OFFSET 0x10
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-
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#define MII_MGMT_CONFIG_ADDR 0x20
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#define MII_MGMT_COMMAND_ADDR 0x24
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#define MII_MGMT_ADDRESS_ADDR 0x28
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diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
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index c432644..9b85239 100644
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--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
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+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
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@@ -21,6 +21,7 @@
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#include "xgene_enet_main.h"
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#include "xgene_enet_hw.h"
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+#include "xgene_enet_xgmac.h"
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static void xgene_enet_init_bufpool(struct xgene_enet_desc_ring *buf_pool)
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{
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@@ -390,7 +391,7 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
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}
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}
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- return budget;
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+ return count;
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}
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static int xgene_enet_napi(struct napi_struct *napi, const int budget)
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@@ -456,8 +457,10 @@ static int xgene_enet_open(struct net_device *ndev)
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return ret;
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napi_enable(&pdata->rx_ring->napi);
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- if (pdata->phy_dev)
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+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
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phy_start(pdata->phy_dev);
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+ else
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+ schedule_delayed_work(&pdata->link_work, PHY_POLL_LINK_OFF);
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netif_start_queue(ndev);
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@@ -471,8 +474,10 @@ static int xgene_enet_close(struct net_device *ndev)
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netif_stop_queue(ndev);
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- if (pdata->phy_dev)
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+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
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phy_stop(pdata->phy_dev);
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+ else
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+ cancel_delayed_work_sync(&pdata->link_work);
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napi_disable(&pdata->rx_ring->napi);
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xgene_enet_free_irq(ndev);
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@@ -615,7 +620,6 @@ static struct xgene_enet_desc_ring *xgene_enet_create_desc_ring(
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ring->cmd_base = pdata->ring_cmd_addr + (ring->num << 6);
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ring->cmd = ring->cmd_base + INC_DEC_CMD_ADDR;
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- pdata->rm = RM3;
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ring = xgene_enet_setup_ring(ring);
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netdev_dbg(ndev, "ring info: num=%d size=%d id=%d slots=%d\n",
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ring->num, ring->size, ring->id, ring->slots);
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@@ -805,8 +809,13 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
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pdata->phy_mode = of_get_phy_mode(pdev->dev.of_node);
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if (pdata->phy_mode < 0) {
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- dev_err(dev, "Incorrect phy-connection-type in DTS\n");
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- return -EINVAL;
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+ dev_err(dev, "Unable to get phy-connection-type\n");
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+ return pdata->phy_mode;
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+ }
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+ if (pdata->phy_mode != PHY_INTERFACE_MODE_RGMII &&
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+ pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) {
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+ dev_err(dev, "Incorrect phy-connection-type specified\n");
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+ return -ENODEV;
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}
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pdata->clk = devm_clk_get(&pdev->dev, NULL);
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@@ -821,12 +830,18 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
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pdata->eth_csr_addr = base_addr + BLOCK_ETH_CSR_OFFSET;
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pdata->eth_ring_if_addr = base_addr + BLOCK_ETH_RING_IF_OFFSET;
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pdata->eth_diag_csr_addr = base_addr + BLOCK_ETH_DIAG_CSR_OFFSET;
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- pdata->mcx_mac_addr = base_addr + BLOCK_ETH_MAC_OFFSET;
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- pdata->mcx_stats_addr = base_addr + BLOCK_ETH_STATS_OFFSET;
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- pdata->mcx_mac_csr_addr = base_addr + BLOCK_ETH_MAC_CSR_OFFSET;
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+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
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+ pdata->mcx_mac_addr = base_addr + BLOCK_ETH_MAC_OFFSET;
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+ pdata->mcx_mac_csr_addr = base_addr + BLOCK_ETH_MAC_CSR_OFFSET;
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+ pdata->rm = RM3;
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+ } else {
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+ pdata->mcx_mac_addr = base_addr + BLOCK_AXG_MAC_OFFSET;
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+ pdata->mcx_mac_csr_addr = base_addr + BLOCK_AXG_MAC_CSR_OFFSET;
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+ pdata->rm = RM0;
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+ }
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pdata->rx_buff_cnt = NUM_PKT_BUF;
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- return ret;
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+ return 0;
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}
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static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
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@@ -836,8 +851,7 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
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u16 dst_ring_num;
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int ret;
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- pdata->mac_ops->tx_disable(pdata);
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- pdata->mac_ops->rx_disable(pdata);
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+ pdata->port_ops->reset(pdata);
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ret = xgene_enet_create_desc_rings(ndev);
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if (ret) {
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@@ -856,14 +870,23 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
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dst_ring_num = xgene_enet_dst_ring_num(pdata->rx_ring);
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pdata->port_ops->cle_bypass(pdata, dst_ring_num, buf_pool->id);
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+ pdata->mac_ops->init(pdata);
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return ret;
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}
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static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
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{
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- pdata->mac_ops = &xgene_gmac_ops;
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- pdata->port_ops = &xgene_gport_ops;
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+ switch (pdata->phy_mode) {
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+ case PHY_INTERFACE_MODE_RGMII:
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+ pdata->mac_ops = &xgene_gmac_ops;
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+ pdata->port_ops = &xgene_gport_ops;
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+ break;
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+ default:
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+ pdata->mac_ops = &xgene_xgmac_ops;
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+ pdata->port_ops = &xgene_xgport_ops;
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+ break;
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+ }
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}
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static int xgene_enet_probe(struct platform_device *pdev)
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@@ -895,8 +918,6 @@ static int xgene_enet_probe(struct platform_device *pdev)
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goto err;
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xgene_enet_setup_ops(pdata);
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- pdata->port_ops->reset(pdata);
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- pdata->mac_ops->init(pdata);
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ret = register_netdev(ndev);
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if (ret) {
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@@ -916,7 +937,10 @@ static int xgene_enet_probe(struct platform_device *pdev)
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napi = &pdata->rx_ring->napi;
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netif_napi_add(ndev, napi, xgene_enet_napi, NAPI_POLL_WEIGHT);
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- ret = xgene_enet_mdio_config(pdata);
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+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
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+ ret = xgene_enet_mdio_config(pdata);
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+ else
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+ INIT_DELAYED_WORK(&pdata->link_work, xgene_enet_link_state);
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return ret;
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err:
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diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
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index ac180f9..86cf68b 100644
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--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
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+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
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@@ -105,18 +105,17 @@ struct xgene_enet_pdata {
|
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void __iomem *eth_ring_if_addr;
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void __iomem *eth_diag_csr_addr;
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void __iomem *mcx_mac_addr;
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- void __iomem *mcx_stats_addr;
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void __iomem *mcx_mac_csr_addr;
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void __iomem *base_addr;
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void __iomem *ring_csr_addr;
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void __iomem *ring_cmd_addr;
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u32 phy_addr;
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int phy_mode;
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- u32 speed;
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- u16 rm;
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+ enum xgene_enet_rm rm;
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struct rtnl_link_stats64 stats;
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struct xgene_mac_ops *mac_ops;
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struct xgene_port_ops *port_ops;
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+ struct delayed_work link_work;
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};
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/* Set the specified value into a bit-field defined by its starting position
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diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
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new file mode 100644
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index 0000000..cd64b9f
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--- /dev/null
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+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
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@@ -0,0 +1,331 @@
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+/* Applied Micro X-Gene SoC Ethernet Driver
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+ *
|
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+ * Copyright (c) 2014, Applied Micro Circuits Corporation
|
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+ * Authors: Iyappan Subramanian <isubramanian@apm.com>
|
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+ * Keyur Chudgar <kchudgar@apm.com>
|
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+ *
|
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+ * This program is free software; you can redistribute it and/or modify it
|
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+ * 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.
|
||||
+ *
|
||||
+ * This program is distributed in the hope that it will be useful,
|
||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
+ * GNU General Public License for more details.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
+ */
|
||||
+
|
||||
+#include "xgene_enet_main.h"
|
||||
+#include "xgene_enet_hw.h"
|
||||
+#include "xgene_enet_xgmac.h"
|
||||
+
|
||||
+static void xgene_enet_wr_csr(struct xgene_enet_pdata *pdata,
|
||||
+ u32 offset, u32 val)
|
||||
+{
|
||||
+ void __iomem *addr = pdata->eth_csr_addr + offset;
|
||||
+
|
||||
+ iowrite32(val, addr);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_wr_ring_if(struct xgene_enet_pdata *pdata,
|
||||
+ u32 offset, u32 val)
|
||||
+{
|
||||
+ void __iomem *addr = pdata->eth_ring_if_addr + offset;
|
||||
+
|
||||
+ iowrite32(val, addr);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_wr_diag_csr(struct xgene_enet_pdata *pdata,
|
||||
+ u32 offset, u32 val)
|
||||
+{
|
||||
+ void __iomem *addr = pdata->eth_diag_csr_addr + offset;
|
||||
+
|
||||
+ iowrite32(val, addr);
|
||||
+}
|
||||
+
|
||||
+static bool xgene_enet_wr_indirect(void __iomem *addr, void __iomem *wr,
|
||||
+ void __iomem *cmd, void __iomem *cmd_done,
|
||||
+ u32 wr_addr, u32 wr_data)
|
||||
+{
|
||||
+ u32 done;
|
||||
+ u8 wait = 10;
|
||||
+
|
||||
+ iowrite32(wr_addr, addr);
|
||||
+ iowrite32(wr_data, wr);
|
||||
+ iowrite32(XGENE_ENET_WR_CMD, cmd);
|
||||
+
|
||||
+ /* wait for write command to complete */
|
||||
+ while (!(done = ioread32(cmd_done)) && wait--)
|
||||
+ udelay(1);
|
||||
+
|
||||
+ if (!done)
|
||||
+ return false;
|
||||
+
|
||||
+ iowrite32(0, cmd);
|
||||
+
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_wr_mac(struct xgene_enet_pdata *pdata,
|
||||
+ u32 wr_addr, u32 wr_data)
|
||||
+{
|
||||
+ void __iomem *addr, *wr, *cmd, *cmd_done;
|
||||
+
|
||||
+ addr = pdata->mcx_mac_addr + MAC_ADDR_REG_OFFSET;
|
||||
+ wr = pdata->mcx_mac_addr + MAC_WRITE_REG_OFFSET;
|
||||
+ cmd = pdata->mcx_mac_addr + MAC_COMMAND_REG_OFFSET;
|
||||
+ cmd_done = pdata->mcx_mac_addr + MAC_COMMAND_DONE_REG_OFFSET;
|
||||
+
|
||||
+ if (!xgene_enet_wr_indirect(addr, wr, cmd, cmd_done, wr_addr, wr_data))
|
||||
+ netdev_err(pdata->ndev, "MCX mac write failed, addr: %04x\n",
|
||||
+ wr_addr);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_rd_csr(struct xgene_enet_pdata *pdata,
|
||||
+ u32 offset, u32 *val)
|
||||
+{
|
||||
+ void __iomem *addr = pdata->eth_csr_addr + offset;
|
||||
+
|
||||
+ *val = ioread32(addr);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_rd_diag_csr(struct xgene_enet_pdata *pdata,
|
||||
+ u32 offset, u32 *val)
|
||||
+{
|
||||
+ void __iomem *addr = pdata->eth_diag_csr_addr + offset;
|
||||
+
|
||||
+ *val = ioread32(addr);
|
||||
+}
|
||||
+
|
||||
+static bool xgene_enet_rd_indirect(void __iomem *addr, void __iomem *rd,
|
||||
+ void __iomem *cmd, void __iomem *cmd_done,
|
||||
+ u32 rd_addr, u32 *rd_data)
|
||||
+{
|
||||
+ u32 done;
|
||||
+ u8 wait = 10;
|
||||
+
|
||||
+ iowrite32(rd_addr, addr);
|
||||
+ iowrite32(XGENE_ENET_RD_CMD, cmd);
|
||||
+
|
||||
+ /* wait for read command to complete */
|
||||
+ while (!(done = ioread32(cmd_done)) && wait--)
|
||||
+ udelay(1);
|
||||
+
|
||||
+ if (!done)
|
||||
+ return false;
|
||||
+
|
||||
+ *rd_data = ioread32(rd);
|
||||
+ iowrite32(0, cmd);
|
||||
+
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_rd_mac(struct xgene_enet_pdata *pdata,
|
||||
+ u32 rd_addr, u32 *rd_data)
|
||||
+{
|
||||
+ void __iomem *addr, *rd, *cmd, *cmd_done;
|
||||
+
|
||||
+ addr = pdata->mcx_mac_addr + MAC_ADDR_REG_OFFSET;
|
||||
+ rd = pdata->mcx_mac_addr + MAC_READ_REG_OFFSET;
|
||||
+ cmd = pdata->mcx_mac_addr + MAC_COMMAND_REG_OFFSET;
|
||||
+ cmd_done = pdata->mcx_mac_addr + MAC_COMMAND_DONE_REG_OFFSET;
|
||||
+
|
||||
+ if (!xgene_enet_rd_indirect(addr, rd, cmd, cmd_done, rd_addr, rd_data))
|
||||
+ netdev_err(pdata->ndev, "MCX mac read failed, addr: %04x\n",
|
||||
+ rd_addr);
|
||||
+}
|
||||
+
|
||||
+static int xgene_enet_ecc_init(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ struct net_device *ndev = pdata->ndev;
|
||||
+ u32 data;
|
||||
+ u8 wait = 10;
|
||||
+
|
||||
+ xgene_enet_wr_diag_csr(pdata, ENET_CFG_MEM_RAM_SHUTDOWN_ADDR, 0x0);
|
||||
+ do {
|
||||
+ usleep_range(100, 110);
|
||||
+ xgene_enet_rd_diag_csr(pdata, ENET_BLOCK_MEM_RDY_ADDR, &data);
|
||||
+ } while ((data != 0xffffffff) && wait--);
|
||||
+
|
||||
+ if (data != 0xffffffff) {
|
||||
+ netdev_err(ndev, "Failed to release memory from shutdown\n");
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIWQASSOC_ADDR, 0);
|
||||
+ xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIFPQASSOC_ADDR, 0);
|
||||
+ xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIQMLITEWQASSOC_ADDR, 0);
|
||||
+ xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIQMLITEFPQASSOC_ADDR, 0);
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_reset(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_0, HSTMACRST);
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_0, 0);
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_set_mac_addr(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 addr0, addr1;
|
||||
+ u8 *dev_addr = pdata->ndev->dev_addr;
|
||||
+
|
||||
+ addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
|
||||
+ (dev_addr[1] << 8) | dev_addr[0];
|
||||
+ addr1 = (dev_addr[5] << 24) | (dev_addr[4] << 16);
|
||||
+
|
||||
+ xgene_enet_wr_mac(pdata, HSTMACADR_LSW_ADDR, addr0);
|
||||
+ xgene_enet_wr_mac(pdata, HSTMACADR_MSW_ADDR, addr1);
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_enet_link_status(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ xgene_enet_rd_csr(pdata, XG_LINK_STATUS_ADDR, &data);
|
||||
+
|
||||
+ return data;
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_init(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ xgene_xgmac_reset(pdata);
|
||||
+
|
||||
+ xgene_enet_rd_mac(pdata, AXGMAC_CONFIG_1, &data);
|
||||
+ data |= HSTPPEN;
|
||||
+ data &= ~HSTLENCHK;
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data);
|
||||
+
|
||||
+ xgene_enet_wr_mac(pdata, HSTMAXFRAME_LENGTH_ADDR, 0x06000600);
|
||||
+ xgene_xgmac_set_mac_addr(pdata);
|
||||
+
|
||||
+ xgene_enet_rd_csr(pdata, XG_RSIF_CONFIG_REG_ADDR, &data);
|
||||
+ data |= CFG_RSIF_FPBUFF_TIMEOUT_EN;
|
||||
+ xgene_enet_wr_csr(pdata, XG_RSIF_CONFIG_REG_ADDR, data);
|
||||
+
|
||||
+ xgene_enet_wr_csr(pdata, XG_CFG_BYPASS_ADDR, RESUME_TX);
|
||||
+ xgene_enet_wr_csr(pdata, XGENET_RX_DV_GATE_REG_0_ADDR, 0);
|
||||
+ xgene_enet_rd_csr(pdata, XG_ENET_SPARE_CFG_REG_ADDR, &data);
|
||||
+ data |= BIT(12);
|
||||
+ xgene_enet_wr_csr(pdata, XG_ENET_SPARE_CFG_REG_ADDR, data);
|
||||
+ xgene_enet_wr_csr(pdata, XG_ENET_SPARE_CFG_REG_1_ADDR, 0x82);
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_rx_enable(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ xgene_enet_rd_mac(pdata, AXGMAC_CONFIG_1, &data);
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data | HSTRFEN);
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_tx_enable(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ xgene_enet_rd_mac(pdata, AXGMAC_CONFIG_1, &data);
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data | HSTTFEN);
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_rx_disable(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ xgene_enet_rd_mac(pdata, AXGMAC_CONFIG_1, &data);
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data & ~HSTRFEN);
|
||||
+}
|
||||
+
|
||||
+static void xgene_xgmac_tx_disable(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ xgene_enet_rd_mac(pdata, AXGMAC_CONFIG_1, &data);
|
||||
+ xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data & ~HSTTFEN);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ clk_prepare_enable(pdata->clk);
|
||||
+ clk_disable_unprepare(pdata->clk);
|
||||
+ clk_prepare_enable(pdata->clk);
|
||||
+
|
||||
+ xgene_enet_ecc_init(pdata);
|
||||
+ xgene_enet_config_ring_if_assoc(pdata);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata,
|
||||
+ u32 dst_ring_num, u16 bufpool_id)
|
||||
+{
|
||||
+ u32 cb, fpsel;
|
||||
+
|
||||
+ xgene_enet_rd_csr(pdata, XCLE_BYPASS_REG0_ADDR, &cb);
|
||||
+ cb |= CFG_CLE_BYPASS_EN0;
|
||||
+ CFG_CLE_IP_PROTOCOL0_SET(&cb, 3);
|
||||
+ xgene_enet_wr_csr(pdata, XCLE_BYPASS_REG0_ADDR, cb);
|
||||
+
|
||||
+ fpsel = xgene_enet_ring_bufnum(bufpool_id) - 0x20;
|
||||
+ xgene_enet_rd_csr(pdata, XCLE_BYPASS_REG1_ADDR, &cb);
|
||||
+ CFG_CLE_DSTQID0_SET(&cb, dst_ring_num);
|
||||
+ CFG_CLE_FPSEL0_SET(&cb, fpsel);
|
||||
+ xgene_enet_wr_csr(pdata, XCLE_BYPASS_REG1_ADDR, cb);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_shutdown(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ clk_disable_unprepare(pdata->clk);
|
||||
+}
|
||||
+
|
||||
+void xgene_enet_link_state(struct work_struct *work)
|
||||
+{
|
||||
+ struct xgene_enet_pdata *pdata = container_of(to_delayed_work(work),
|
||||
+ struct xgene_enet_pdata, link_work);
|
||||
+ struct net_device *ndev = pdata->ndev;
|
||||
+ u32 link_status, poll_interval;
|
||||
+
|
||||
+ link_status = xgene_enet_link_status(pdata);
|
||||
+ if (link_status) {
|
||||
+ if (!netif_carrier_ok(ndev)) {
|
||||
+ netif_carrier_on(ndev);
|
||||
+ xgene_xgmac_init(pdata);
|
||||
+ xgene_xgmac_rx_enable(pdata);
|
||||
+ xgene_xgmac_tx_enable(pdata);
|
||||
+ netdev_info(ndev, "Link is Up - 10Gbps\n");
|
||||
+ }
|
||||
+ poll_interval = PHY_POLL_LINK_ON;
|
||||
+ } else {
|
||||
+ if (netif_carrier_ok(ndev)) {
|
||||
+ xgene_xgmac_rx_disable(pdata);
|
||||
+ xgene_xgmac_tx_disable(pdata);
|
||||
+ netif_carrier_off(ndev);
|
||||
+ netdev_info(ndev, "Link is Down\n");
|
||||
+ }
|
||||
+ poll_interval = PHY_POLL_LINK_OFF;
|
||||
+ }
|
||||
+
|
||||
+ schedule_delayed_work(&pdata->link_work, poll_interval);
|
||||
+}
|
||||
+
|
||||
+struct xgene_mac_ops xgene_xgmac_ops = {
|
||||
+ .init = xgene_xgmac_init,
|
||||
+ .reset = xgene_xgmac_reset,
|
||||
+ .rx_enable = xgene_xgmac_rx_enable,
|
||||
+ .tx_enable = xgene_xgmac_tx_enable,
|
||||
+ .rx_disable = xgene_xgmac_rx_disable,
|
||||
+ .tx_disable = xgene_xgmac_tx_disable,
|
||||
+ .set_mac_addr = xgene_xgmac_set_mac_addr,
|
||||
+};
|
||||
+
|
||||
+struct xgene_port_ops xgene_xgport_ops = {
|
||||
+ .reset = xgene_enet_reset,
|
||||
+ .cle_bypass = xgene_enet_xgcle_bypass,
|
||||
+ .shutdown = xgene_enet_shutdown,
|
||||
+};
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
new file mode 100644
|
||||
index 0000000..d2d59e7
|
||||
--- /dev/null
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
@@ -0,0 +1,57 @@
|
||||
+/* Applied Micro X-Gene SoC Ethernet Driver
|
||||
+ *
|
||||
+ * Copyright (c) 2014, Applied Micro Circuits Corporation
|
||||
+ * Authors: Iyappan Subramanian <isubramanian@apm.com>
|
||||
+ * Keyur Chudgar <kchudgar@apm.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.
|
||||
+ *
|
||||
+ * This program is distributed in the hope that it will be useful,
|
||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
+ * GNU General Public License for more details.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
+ */
|
||||
+
|
||||
+#ifndef __XGENE_ENET_XGMAC_H__
|
||||
+#define __XGENE_ENET_XGMAC_H__
|
||||
+
|
||||
+#define BLOCK_AXG_MAC_OFFSET 0x0800
|
||||
+#define BLOCK_AXG_MAC_CSR_OFFSET 0x2000
|
||||
+
|
||||
+#define AXGMAC_CONFIG_0 0x0000
|
||||
+#define AXGMAC_CONFIG_1 0x0004
|
||||
+#define HSTMACRST BIT(31)
|
||||
+#define HSTTCTLEN BIT(31)
|
||||
+#define HSTTFEN BIT(30)
|
||||
+#define HSTRCTLEN BIT(29)
|
||||
+#define HSTRFEN BIT(28)
|
||||
+#define HSTPPEN BIT(7)
|
||||
+#define HSTDRPLT64 BIT(5)
|
||||
+#define HSTLENCHK BIT(3)
|
||||
+#define HSTMACADR_LSW_ADDR 0x0010
|
||||
+#define HSTMACADR_MSW_ADDR 0x0014
|
||||
+#define HSTMAXFRAME_LENGTH_ADDR 0x0020
|
||||
+
|
||||
+#define XG_RSIF_CONFIG_REG_ADDR 0x00a0
|
||||
+#define XCLE_BYPASS_REG0_ADDR 0x0160
|
||||
+#define XCLE_BYPASS_REG1_ADDR 0x0164
|
||||
+#define XG_CFG_BYPASS_ADDR 0x0204
|
||||
+#define XG_LINK_STATUS_ADDR 0x0228
|
||||
+#define XG_ENET_SPARE_CFG_REG_ADDR 0x040c
|
||||
+#define XG_ENET_SPARE_CFG_REG_1_ADDR 0x0410
|
||||
+#define XGENET_RX_DV_GATE_REG_0_ADDR 0x0804
|
||||
+
|
||||
+#define PHY_POLL_LINK_ON (10 * HZ)
|
||||
+#define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5)
|
||||
+
|
||||
+void xgene_enet_link_state(struct work_struct *work);
|
||||
+extern struct xgene_mac_ops xgene_xgmac_ops;
|
||||
+extern struct xgene_port_ops xgene_xgport_ops;
|
||||
+
|
||||
+#endif /* __XGENE_ENET_XGMAC_H__ */
|
||||
--
|
||||
2.1.0
|
||||
|
55
debian/patches/features/arm64/drivers-net-xgene-Add-SGMII-based-1GbE-ethtool-suppo.patch
vendored
Normal file
55
debian/patches/features/arm64/drivers-net-xgene-Add-SGMII-based-1GbE-ethtool-suppo.patch
vendored
Normal file
|
@ -0,0 +1,55 @@
|
|||
From c566829d7ea3c25a85a372901b0fce080017034b Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 13 Oct 2014 17:05:35 -0700
|
||||
Subject: [PATCH 06/11] drivers: net: xgene: Add SGMII based 1GbE ethtool
|
||||
support
|
||||
Origin: https://git.kernel.org/linus/5e6a024bebea5bad6b787cf2c0ee28116b4147f0
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
.../net/ethernet/apm/xgene/xgene_enet_ethtool.c | 25 +++++++++++++++-------
|
||||
1 file changed, 17 insertions(+), 8 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
|
||||
index c1c997b..416d6eb 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
|
||||
@@ -64,16 +64,25 @@ static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
|
||||
return -ENODEV;
|
||||
|
||||
return phy_ethtool_gset(phydev, cmd);
|
||||
+ } else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
|
||||
+ cmd->supported = SUPPORTED_1000baseT_Full |
|
||||
+ SUPPORTED_Autoneg | SUPPORTED_MII;
|
||||
+ cmd->advertising = cmd->supported;
|
||||
+ ethtool_cmd_speed_set(cmd, SPEED_1000);
|
||||
+ cmd->duplex = DUPLEX_FULL;
|
||||
+ cmd->port = PORT_MII;
|
||||
+ cmd->transceiver = XCVR_INTERNAL;
|
||||
+ cmd->autoneg = AUTONEG_ENABLE;
|
||||
+ } else {
|
||||
+ cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
|
||||
+ cmd->advertising = cmd->supported;
|
||||
+ ethtool_cmd_speed_set(cmd, SPEED_10000);
|
||||
+ cmd->duplex = DUPLEX_FULL;
|
||||
+ cmd->port = PORT_FIBRE;
|
||||
+ cmd->transceiver = XCVR_INTERNAL;
|
||||
+ cmd->autoneg = AUTONEG_DISABLE;
|
||||
}
|
||||
|
||||
- cmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE;
|
||||
- cmd->advertising = cmd->supported;
|
||||
- ethtool_cmd_speed_set(cmd, SPEED_10000);
|
||||
- cmd->duplex = DUPLEX_FULL;
|
||||
- cmd->port = PORT_FIBRE;
|
||||
- cmd->transceiver = XCVR_EXTERNAL;
|
||||
- cmd->autoneg = AUTONEG_DISABLE;
|
||||
-
|
||||
return 0;
|
||||
}
|
||||
|
||||
--
|
||||
2.1.0
|
||||
|
583
debian/patches/features/arm64/drivers-net-xgene-Add-SGMII-based-1GbE-support.patch
vendored
Normal file
583
debian/patches/features/arm64/drivers-net-xgene-Add-SGMII-based-1GbE-support.patch
vendored
Normal file
|
@ -0,0 +1,583 @@
|
|||
From 30bf224d12eb84225e3c0dcdd520cf9a23276f11 Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 13 Oct 2014 17:05:34 -0700
|
||||
Subject: [PATCH 05/11] drivers: net: xgene: Add SGMII based 1GbE support
|
||||
Origin: https://git.kernel.org/linus/32f784b50e14c653ad0f010fbd5921a5f8caf846
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
drivers/net/ethernet/apm/xgene/Makefile | 2 +-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 3 +
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 10 +-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 10 +
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 389 ++++++++++++++++++++++
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.h | 41 +++
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h | 3 -
|
||||
7 files changed, 453 insertions(+), 5 deletions(-)
|
||||
create mode 100644 drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
create mode 100644 drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.h
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/Makefile b/drivers/net/ethernet/apm/xgene/Makefile
|
||||
index 589b352..68be5655 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/Makefile
|
||||
+++ b/drivers/net/ethernet/apm/xgene/Makefile
|
||||
@@ -2,6 +2,6 @@
|
||||
# Makefile for APM X-Gene Ethernet Driver.
|
||||
#
|
||||
|
||||
-xgene-enet-objs := xgene_enet_hw.o xgene_enet_xgmac.o \
|
||||
+xgene-enet-objs := xgene_enet_hw.o xgene_enet_sgmac.o xgene_enet_xgmac.o \
|
||||
xgene_enet_main.o xgene_enet_ethtool.o
|
||||
obj-$(CONFIG_NET_XGENE) += xgene-enet.o
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
index 2efc4d9..3855858 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
@@ -44,6 +44,7 @@ static inline u32 xgene_get_bits(u32 val, u32 start, u32 end)
|
||||
|
||||
enum xgene_enet_rm {
|
||||
RM0,
|
||||
+ RM1,
|
||||
RM3 = 3
|
||||
};
|
||||
|
||||
@@ -143,6 +144,8 @@ enum xgene_enet_rm {
|
||||
#define CFG_CLE_FPSEL0_SET(dst, val) xgene_set_bits(dst, val, 16, 4)
|
||||
#define CFG_MACMODE_SET(dst, val) xgene_set_bits(dst, val, 18, 2)
|
||||
#define CFG_WAITASYNCRD_SET(dst, val) xgene_set_bits(dst, val, 0, 16)
|
||||
+#define CFG_CLE_DSTQID0(val) (val & GENMASK(11, 0))
|
||||
+#define CFG_CLE_FPSEL0(val) ((val << 16) & GENMASK(19, 16))
|
||||
#define ICM_CONFIG0_REG_0_ADDR 0x0400
|
||||
#define ICM_CONFIG2_REG_0_ADDR 0x0410
|
||||
#define RX_DV_GATE_REG_0_ADDR 0x05fc
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
index 9e251ec..3c208cc 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
@@ -21,6 +21,7 @@
|
||||
|
||||
#include "xgene_enet_main.h"
|
||||
#include "xgene_enet_hw.h"
|
||||
+#include "xgene_enet_sgmac.h"
|
||||
#include "xgene_enet_xgmac.h"
|
||||
|
||||
static void xgene_enet_init_bufpool(struct xgene_enet_desc_ring *buf_pool)
|
||||
@@ -813,6 +814,7 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
|
||||
return pdata->phy_mode;
|
||||
}
|
||||
if (pdata->phy_mode != PHY_INTERFACE_MODE_RGMII &&
|
||||
+ pdata->phy_mode != PHY_INTERFACE_MODE_SGMII &&
|
||||
pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) {
|
||||
dev_err(dev, "Incorrect phy-connection-type specified\n");
|
||||
return -ENODEV;
|
||||
@@ -830,7 +832,8 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
|
||||
pdata->eth_csr_addr = base_addr + BLOCK_ETH_CSR_OFFSET;
|
||||
pdata->eth_ring_if_addr = base_addr + BLOCK_ETH_RING_IF_OFFSET;
|
||||
pdata->eth_diag_csr_addr = base_addr + BLOCK_ETH_DIAG_CSR_OFFSET;
|
||||
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
|
||||
+ if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII ||
|
||||
+ pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
|
||||
pdata->mcx_mac_addr = base_addr + BLOCK_ETH_MAC_OFFSET;
|
||||
pdata->mcx_mac_csr_addr = base_addr + BLOCK_ETH_MAC_CSR_OFFSET;
|
||||
} else {
|
||||
@@ -881,6 +884,11 @@ static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
|
||||
pdata->port_ops = &xgene_gport_ops;
|
||||
pdata->rm = RM3;
|
||||
break;
|
||||
+ case PHY_INTERFACE_MODE_SGMII:
|
||||
+ pdata->mac_ops = &xgene_sgmac_ops;
|
||||
+ pdata->port_ops = &xgene_sgport_ops;
|
||||
+ pdata->rm = RM1;
|
||||
+ break;
|
||||
default:
|
||||
pdata->mac_ops = &xgene_xgmac_ops;
|
||||
pdata->port_ops = &xgene_xgport_ops;
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
index 10b03a1..874e5a0 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
@@ -39,6 +39,9 @@
|
||||
#define NUM_PKT_BUF 64
|
||||
#define NUM_BUFPOOL 32
|
||||
|
||||
+#define PHY_POLL_LINK_ON (10 * HZ)
|
||||
+#define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5)
|
||||
+
|
||||
/* software context of a descriptor ring */
|
||||
struct xgene_enet_desc_ring {
|
||||
struct net_device *ndev;
|
||||
@@ -118,6 +121,13 @@ struct xgene_enet_pdata {
|
||||
struct delayed_work link_work;
|
||||
};
|
||||
|
||||
+struct xgene_indirect_ctl {
|
||||
+ void __iomem *addr;
|
||||
+ void __iomem *ctl;
|
||||
+ void __iomem *cmd;
|
||||
+ void __iomem *cmd_done;
|
||||
+};
|
||||
+
|
||||
/* Set the specified value into a bit-field defined by its starting position
|
||||
* and length within a single u64.
|
||||
*/
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
new file mode 100644
|
||||
index 0000000..e6d24c2
|
||||
--- /dev/null
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
@@ -0,0 +1,389 @@
|
||||
+/* Applied Micro X-Gene SoC Ethernet Driver
|
||||
+ *
|
||||
+ * Copyright (c) 2014, Applied Micro Circuits Corporation
|
||||
+ * Authors: Iyappan Subramanian <isubramanian@apm.com>
|
||||
+ * Keyur Chudgar <kchudgar@apm.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.
|
||||
+ *
|
||||
+ * This program is distributed in the hope that it will be useful,
|
||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
+ * GNU General Public License for more details.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
+ */
|
||||
+
|
||||
+#include "xgene_enet_main.h"
|
||||
+#include "xgene_enet_hw.h"
|
||||
+#include "xgene_enet_sgmac.h"
|
||||
+
|
||||
+static void xgene_enet_wr_csr(struct xgene_enet_pdata *p, u32 offset, u32 val)
|
||||
+{
|
||||
+ iowrite32(val, p->eth_csr_addr + offset);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_wr_ring_if(struct xgene_enet_pdata *p,
|
||||
+ u32 offset, u32 val)
|
||||
+{
|
||||
+ iowrite32(val, p->eth_ring_if_addr + offset);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_wr_diag_csr(struct xgene_enet_pdata *p,
|
||||
+ u32 offset, u32 val)
|
||||
+{
|
||||
+ iowrite32(val, p->eth_diag_csr_addr + offset);
|
||||
+}
|
||||
+
|
||||
+static bool xgene_enet_wr_indirect(struct xgene_indirect_ctl *ctl,
|
||||
+ u32 wr_addr, u32 wr_data)
|
||||
+{
|
||||
+ int i;
|
||||
+
|
||||
+ iowrite32(wr_addr, ctl->addr);
|
||||
+ iowrite32(wr_data, ctl->ctl);
|
||||
+ iowrite32(XGENE_ENET_WR_CMD, ctl->cmd);
|
||||
+
|
||||
+ /* wait for write command to complete */
|
||||
+ for (i = 0; i < 10; i++) {
|
||||
+ if (ioread32(ctl->cmd_done)) {
|
||||
+ iowrite32(0, ctl->cmd);
|
||||
+ return true;
|
||||
+ }
|
||||
+ udelay(1);
|
||||
+ }
|
||||
+
|
||||
+ return false;
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_wr_mac(struct xgene_enet_pdata *p,
|
||||
+ u32 wr_addr, u32 wr_data)
|
||||
+{
|
||||
+ struct xgene_indirect_ctl ctl = {
|
||||
+ .addr = p->mcx_mac_addr + MAC_ADDR_REG_OFFSET,
|
||||
+ .ctl = p->mcx_mac_addr + MAC_WRITE_REG_OFFSET,
|
||||
+ .cmd = p->mcx_mac_addr + MAC_COMMAND_REG_OFFSET,
|
||||
+ .cmd_done = p->mcx_mac_addr + MAC_COMMAND_DONE_REG_OFFSET
|
||||
+ };
|
||||
+
|
||||
+ if (!xgene_enet_wr_indirect(&ctl, wr_addr, wr_data))
|
||||
+ netdev_err(p->ndev, "mac write failed, addr: %04x\n", wr_addr);
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_enet_rd_csr(struct xgene_enet_pdata *p, u32 offset)
|
||||
+{
|
||||
+ return ioread32(p->eth_csr_addr + offset);
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_enet_rd_diag_csr(struct xgene_enet_pdata *p, u32 offset)
|
||||
+{
|
||||
+ return ioread32(p->eth_diag_csr_addr + offset);
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_enet_rd_indirect(struct xgene_indirect_ctl *ctl, u32 rd_addr)
|
||||
+{
|
||||
+ u32 rd_data;
|
||||
+ int i;
|
||||
+
|
||||
+ iowrite32(rd_addr, ctl->addr);
|
||||
+ iowrite32(XGENE_ENET_RD_CMD, ctl->cmd);
|
||||
+
|
||||
+ /* wait for read command to complete */
|
||||
+ for (i = 0; i < 10; i++) {
|
||||
+ if (ioread32(ctl->cmd_done)) {
|
||||
+ rd_data = ioread32(ctl->ctl);
|
||||
+ iowrite32(0, ctl->cmd);
|
||||
+
|
||||
+ return rd_data;
|
||||
+ }
|
||||
+ udelay(1);
|
||||
+ }
|
||||
+
|
||||
+ pr_err("%s: mac read failed, addr: %04x\n", __func__, rd_addr);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_enet_rd_mac(struct xgene_enet_pdata *p, u32 rd_addr)
|
||||
+{
|
||||
+ struct xgene_indirect_ctl ctl = {
|
||||
+ .addr = p->mcx_mac_addr + MAC_ADDR_REG_OFFSET,
|
||||
+ .ctl = p->mcx_mac_addr + MAC_READ_REG_OFFSET,
|
||||
+ .cmd = p->mcx_mac_addr + MAC_COMMAND_REG_OFFSET,
|
||||
+ .cmd_done = p->mcx_mac_addr + MAC_COMMAND_DONE_REG_OFFSET
|
||||
+ };
|
||||
+
|
||||
+ return xgene_enet_rd_indirect(&ctl, rd_addr);
|
||||
+}
|
||||
+
|
||||
+static int xgene_enet_ecc_init(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ struct net_device *ndev = p->ndev;
|
||||
+ u32 data;
|
||||
+ int i;
|
||||
+
|
||||
+ xgene_enet_wr_diag_csr(p, ENET_CFG_MEM_RAM_SHUTDOWN_ADDR, 0);
|
||||
+ for (i = 0; i < 10 && data != ~0U ; i++) {
|
||||
+ usleep_range(100, 110);
|
||||
+ data = xgene_enet_rd_diag_csr(p, ENET_BLOCK_MEM_RDY_ADDR);
|
||||
+ }
|
||||
+
|
||||
+ if (data != ~0U) {
|
||||
+ netdev_err(ndev, "Failed to release memory from shutdown\n");
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ u32 val = 0xffffffff;
|
||||
+
|
||||
+ xgene_enet_wr_ring_if(p, ENET_CFGSSQMIWQASSOC_ADDR, val);
|
||||
+ xgene_enet_wr_ring_if(p, ENET_CFGSSQMIFPQASSOC_ADDR, val);
|
||||
+}
|
||||
+
|
||||
+static void xgene_mii_phy_write(struct xgene_enet_pdata *p, u8 phy_id,
|
||||
+ u32 reg, u16 data)
|
||||
+{
|
||||
+ u32 addr, wr_data, done;
|
||||
+ int i;
|
||||
+
|
||||
+ addr = PHY_ADDR(phy_id) | REG_ADDR(reg);
|
||||
+ xgene_enet_wr_mac(p, MII_MGMT_ADDRESS_ADDR, addr);
|
||||
+
|
||||
+ wr_data = PHY_CONTROL(data);
|
||||
+ xgene_enet_wr_mac(p, MII_MGMT_CONTROL_ADDR, wr_data);
|
||||
+
|
||||
+ for (i = 0; i < 10; i++) {
|
||||
+ done = xgene_enet_rd_mac(p, MII_MGMT_INDICATORS_ADDR);
|
||||
+ if (!(done & BUSY_MASK))
|
||||
+ return;
|
||||
+ usleep_range(10, 20);
|
||||
+ }
|
||||
+
|
||||
+ netdev_err(p->ndev, "MII_MGMT write failed\n");
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_mii_phy_read(struct xgene_enet_pdata *p, u8 phy_id, u32 reg)
|
||||
+{
|
||||
+ u32 addr, data, done;
|
||||
+ int i;
|
||||
+
|
||||
+ addr = PHY_ADDR(phy_id) | REG_ADDR(reg);
|
||||
+ xgene_enet_wr_mac(p, MII_MGMT_ADDRESS_ADDR, addr);
|
||||
+ xgene_enet_wr_mac(p, MII_MGMT_COMMAND_ADDR, READ_CYCLE_MASK);
|
||||
+
|
||||
+ for (i = 0; i < 10; i++) {
|
||||
+ done = xgene_enet_rd_mac(p, MII_MGMT_INDICATORS_ADDR);
|
||||
+ if (!(done & BUSY_MASK)) {
|
||||
+ data = xgene_enet_rd_mac(p, MII_MGMT_STATUS_ADDR);
|
||||
+ xgene_enet_wr_mac(p, MII_MGMT_COMMAND_ADDR, 0);
|
||||
+
|
||||
+ return data;
|
||||
+ }
|
||||
+ usleep_range(10, 20);
|
||||
+ }
|
||||
+
|
||||
+ netdev_err(p->ndev, "MII_MGMT read failed\n");
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_reset(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ xgene_enet_wr_mac(p, MAC_CONFIG_1_ADDR, SOFT_RESET1);
|
||||
+ xgene_enet_wr_mac(p, MAC_CONFIG_1_ADDR, 0);
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_set_mac_addr(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ u32 addr0, addr1;
|
||||
+ u8 *dev_addr = p->ndev->dev_addr;
|
||||
+
|
||||
+ addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
|
||||
+ (dev_addr[1] << 8) | dev_addr[0];
|
||||
+ xgene_enet_wr_mac(p, STATION_ADDR0_ADDR, addr0);
|
||||
+
|
||||
+ addr1 = xgene_enet_rd_mac(p, STATION_ADDR1_ADDR);
|
||||
+ addr1 |= (dev_addr[5] << 24) | (dev_addr[4] << 16);
|
||||
+ xgene_enet_wr_mac(p, STATION_ADDR1_ADDR, addr1);
|
||||
+}
|
||||
+
|
||||
+static u32 xgene_enet_link_status(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ data = xgene_mii_phy_read(p, INT_PHY_ADDR,
|
||||
+ SGMII_BASE_PAGE_ABILITY_ADDR >> 2);
|
||||
+
|
||||
+ return data & LINK_UP;
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_init(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ u32 data, loop = 10;
|
||||
+
|
||||
+ xgene_sgmac_reset(p);
|
||||
+
|
||||
+ /* Enable auto-negotiation */
|
||||
+ xgene_mii_phy_write(p, INT_PHY_ADDR, SGMII_CONTROL_ADDR >> 2, 0x1000);
|
||||
+ xgene_mii_phy_write(p, INT_PHY_ADDR, SGMII_TBI_CONTROL_ADDR >> 2, 0);
|
||||
+
|
||||
+ while (loop--) {
|
||||
+ data = xgene_mii_phy_read(p, INT_PHY_ADDR,
|
||||
+ SGMII_STATUS_ADDR >> 2);
|
||||
+ if ((data & AUTO_NEG_COMPLETE) && (data & LINK_STATUS))
|
||||
+ break;
|
||||
+ usleep_range(10, 20);
|
||||
+ }
|
||||
+ if (!(data & AUTO_NEG_COMPLETE) || !(data & LINK_STATUS))
|
||||
+ netdev_err(p->ndev, "Auto-negotiation failed\n");
|
||||
+
|
||||
+ data = xgene_enet_rd_mac(p, MAC_CONFIG_2_ADDR);
|
||||
+ ENET_INTERFACE_MODE2_SET(&data, 2);
|
||||
+ xgene_enet_wr_mac(p, MAC_CONFIG_2_ADDR, data | FULL_DUPLEX2);
|
||||
+ xgene_enet_wr_mac(p, INTERFACE_CONTROL_ADDR, ENET_GHD_MODE);
|
||||
+
|
||||
+ data = xgene_enet_rd_csr(p, ENET_SPARE_CFG_REG_ADDR);
|
||||
+ data |= MPA_IDLE_WITH_QMI_EMPTY;
|
||||
+ xgene_enet_wr_csr(p, ENET_SPARE_CFG_REG_ADDR, data);
|
||||
+
|
||||
+ xgene_sgmac_set_mac_addr(p);
|
||||
+
|
||||
+ data = xgene_enet_rd_csr(p, DEBUG_REG_ADDR);
|
||||
+ data |= CFG_BYPASS_UNISEC_TX | CFG_BYPASS_UNISEC_RX;
|
||||
+ xgene_enet_wr_csr(p, DEBUG_REG_ADDR, data);
|
||||
+
|
||||
+ /* Adjust MDC clock frequency */
|
||||
+ data = xgene_enet_rd_mac(p, MII_MGMT_CONFIG_ADDR);
|
||||
+ MGMT_CLOCK_SEL_SET(&data, 7);
|
||||
+ xgene_enet_wr_mac(p, MII_MGMT_CONFIG_ADDR, data);
|
||||
+
|
||||
+ /* Enable drop if bufpool not available */
|
||||
+ data = xgene_enet_rd_csr(p, RSIF_CONFIG_REG_ADDR);
|
||||
+ data |= CFG_RSIF_FPBUFF_TIMEOUT_EN;
|
||||
+ xgene_enet_wr_csr(p, RSIF_CONFIG_REG_ADDR, data);
|
||||
+
|
||||
+ /* Rtype should be copied from FP */
|
||||
+ xgene_enet_wr_csr(p, RSIF_RAM_DBG_REG0_ADDR, 0);
|
||||
+
|
||||
+ /* Bypass traffic gating */
|
||||
+ xgene_enet_wr_csr(p, CFG_LINK_AGGR_RESUME_0_ADDR, TX_PORT0);
|
||||
+ xgene_enet_wr_csr(p, CFG_BYPASS_ADDR, RESUME_TX);
|
||||
+ xgene_enet_wr_csr(p, SG_RX_DV_GATE_REG_0_ADDR, RESUME_RX0);
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_rxtx(struct xgene_enet_pdata *p, u32 bits, bool set)
|
||||
+{
|
||||
+ u32 data;
|
||||
+
|
||||
+ data = xgene_enet_rd_mac(p, MAC_CONFIG_1_ADDR);
|
||||
+
|
||||
+ if (set)
|
||||
+ data |= bits;
|
||||
+ else
|
||||
+ data &= ~bits;
|
||||
+
|
||||
+ xgene_enet_wr_mac(p, MAC_CONFIG_1_ADDR, data);
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_rx_enable(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ xgene_sgmac_rxtx(p, RX_EN, true);
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_tx_enable(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ xgene_sgmac_rxtx(p, TX_EN, true);
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_rx_disable(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ xgene_sgmac_rxtx(p, RX_EN, false);
|
||||
+}
|
||||
+
|
||||
+static void xgene_sgmac_tx_disable(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ xgene_sgmac_rxtx(p, TX_EN, false);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_reset(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ clk_prepare_enable(p->clk);
|
||||
+ clk_disable_unprepare(p->clk);
|
||||
+ clk_prepare_enable(p->clk);
|
||||
+
|
||||
+ xgene_enet_ecc_init(p);
|
||||
+ xgene_enet_config_ring_if_assoc(p);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p,
|
||||
+ u32 dst_ring_num, u16 bufpool_id)
|
||||
+{
|
||||
+ u32 data, fpsel;
|
||||
+
|
||||
+ data = CFG_CLE_BYPASS_EN0;
|
||||
+ xgene_enet_wr_csr(p, CLE_BYPASS_REG0_0_ADDR, data);
|
||||
+
|
||||
+ fpsel = xgene_enet_ring_bufnum(bufpool_id) - 0x20;
|
||||
+ data = CFG_CLE_DSTQID0(dst_ring_num) | CFG_CLE_FPSEL0(fpsel);
|
||||
+ xgene_enet_wr_csr(p, CLE_BYPASS_REG1_0_ADDR, data);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_shutdown(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ clk_disable_unprepare(p->clk);
|
||||
+}
|
||||
+
|
||||
+static void xgene_enet_link_state(struct work_struct *work)
|
||||
+{
|
||||
+ struct xgene_enet_pdata *p = container_of(to_delayed_work(work),
|
||||
+ struct xgene_enet_pdata, link_work);
|
||||
+ struct net_device *ndev = p->ndev;
|
||||
+ u32 link, poll_interval;
|
||||
+
|
||||
+ link = xgene_enet_link_status(p);
|
||||
+ if (link) {
|
||||
+ if (!netif_carrier_ok(ndev)) {
|
||||
+ netif_carrier_on(ndev);
|
||||
+ xgene_sgmac_init(p);
|
||||
+ xgene_sgmac_rx_enable(p);
|
||||
+ xgene_sgmac_tx_enable(p);
|
||||
+ netdev_info(ndev, "Link is Up - 1Gbps\n");
|
||||
+ }
|
||||
+ poll_interval = PHY_POLL_LINK_ON;
|
||||
+ } else {
|
||||
+ if (netif_carrier_ok(ndev)) {
|
||||
+ xgene_sgmac_rx_disable(p);
|
||||
+ xgene_sgmac_tx_disable(p);
|
||||
+ netif_carrier_off(ndev);
|
||||
+ netdev_info(ndev, "Link is Down\n");
|
||||
+ }
|
||||
+ poll_interval = PHY_POLL_LINK_OFF;
|
||||
+ }
|
||||
+
|
||||
+ schedule_delayed_work(&p->link_work, poll_interval);
|
||||
+}
|
||||
+
|
||||
+struct xgene_mac_ops xgene_sgmac_ops = {
|
||||
+ .init = xgene_sgmac_init,
|
||||
+ .reset = xgene_sgmac_reset,
|
||||
+ .rx_enable = xgene_sgmac_rx_enable,
|
||||
+ .tx_enable = xgene_sgmac_tx_enable,
|
||||
+ .rx_disable = xgene_sgmac_rx_disable,
|
||||
+ .tx_disable = xgene_sgmac_tx_disable,
|
||||
+ .set_mac_addr = xgene_sgmac_set_mac_addr,
|
||||
+ .link_state = xgene_enet_link_state
|
||||
+};
|
||||
+
|
||||
+struct xgene_port_ops xgene_sgport_ops = {
|
||||
+ .reset = xgene_enet_reset,
|
||||
+ .cle_bypass = xgene_enet_cle_bypass,
|
||||
+ .shutdown = xgene_enet_shutdown
|
||||
+};
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.h b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.h
|
||||
new file mode 100644
|
||||
index 0000000..de43246
|
||||
--- /dev/null
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.h
|
||||
@@ -0,0 +1,41 @@
|
||||
+/* Applied Micro X-Gene SoC Ethernet Driver
|
||||
+ *
|
||||
+ * Copyright (c) 2014, Applied Micro Circuits Corporation
|
||||
+ * Authors: Iyappan Subramanian <isubramanian@apm.com>
|
||||
+ * Keyur Chudgar <kchudgar@apm.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.
|
||||
+ *
|
||||
+ * This program is distributed in the hope that it will be useful,
|
||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
+ * GNU General Public License for more details.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
+ */
|
||||
+
|
||||
+#ifndef __XGENE_ENET_SGMAC_H__
|
||||
+#define __XGENE_ENET_SGMAC_H__
|
||||
+
|
||||
+#define PHY_ADDR(src) (((src)<<8) & GENMASK(12, 8))
|
||||
+#define REG_ADDR(src) ((src) & GENMASK(4, 0))
|
||||
+#define PHY_CONTROL(src) ((src) & GENMASK(15, 0))
|
||||
+#define INT_PHY_ADDR 0x1e
|
||||
+#define SGMII_TBI_CONTROL_ADDR 0x44
|
||||
+#define SGMII_CONTROL_ADDR 0x00
|
||||
+#define SGMII_STATUS_ADDR 0x04
|
||||
+#define SGMII_BASE_PAGE_ABILITY_ADDR 0x14
|
||||
+#define AUTO_NEG_COMPLETE BIT(5)
|
||||
+#define LINK_STATUS BIT(2)
|
||||
+#define LINK_UP BIT(15)
|
||||
+#define MPA_IDLE_WITH_QMI_EMPTY BIT(12)
|
||||
+#define SG_RX_DV_GATE_REG_0_ADDR 0x0dfc
|
||||
+
|
||||
+extern struct xgene_mac_ops xgene_sgmac_ops;
|
||||
+extern struct xgene_port_ops xgene_sgport_ops;
|
||||
+
|
||||
+#endif /* __XGENE_ENET_SGMAC_H__ */
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
index dcb2087..5a5296a 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
@@ -47,9 +47,6 @@
|
||||
#define XG_ENET_SPARE_CFG_REG_1_ADDR 0x0410
|
||||
#define XGENET_RX_DV_GATE_REG_0_ADDR 0x0804
|
||||
|
||||
-#define PHY_POLL_LINK_ON (10 * HZ)
|
||||
-#define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5)
|
||||
-
|
||||
extern struct xgene_mac_ops xgene_xgmac_ops;
|
||||
extern struct xgene_port_ops xgene_xgport_ops;
|
||||
|
||||
--
|
||||
2.1.0
|
||||
|
175
debian/patches/features/arm64/drivers-net-xgene-Backward-compatibility-with-older-.patch
vendored
Normal file
175
debian/patches/features/arm64/drivers-net-xgene-Backward-compatibility-with-older-.patch
vendored
Normal file
|
@ -0,0 +1,175 @@
|
|||
From 092e35e5b10fdea2d814aa96ab2c2f2aad477640 Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 3 Nov 2014 11:59:55 -0800
|
||||
Subject: [PATCH 08/11] drivers: net: xgene: Backward compatibility with older
|
||||
firmware
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=c3f4465d272fa94d5a077c502e83d3e712ec8d62
|
||||
|
||||
This patch adds support when used with older firmware (<= 1.13.28).
|
||||
|
||||
- Added xgene_ring_mgr_init() to check whether ring manager is initialized
|
||||
- Calling xgene_ring_mgr_init() from xgene_port_ops.reset()
|
||||
- To handle errors, changed the return type of xgene_port_ops.reset()
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 18 +++++++++++++++++-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 4 ++++
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 5 ++++-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 2 +-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 7 ++++++-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 7 ++++++-
|
||||
6 files changed, 38 insertions(+), 5 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
index 63ea194..7ba83ff 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
@@ -575,10 +575,24 @@ static void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~TX_EN);
|
||||
}
|
||||
|
||||
-static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
+bool xgene_ring_mgr_init(struct xgene_enet_pdata *p)
|
||||
+{
|
||||
+ if (!ioread32(p->ring_csr_addr + CLKEN_ADDR))
|
||||
+ return false;
|
||||
+
|
||||
+ if (ioread32(p->ring_csr_addr + SRST_ADDR))
|
||||
+ return false;
|
||||
+
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
+static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
+ if (!xgene_ring_mgr_init(pdata))
|
||||
+ return -ENODEV;
|
||||
+
|
||||
clk_prepare_enable(pdata->clk);
|
||||
clk_disable_unprepare(pdata->clk);
|
||||
clk_prepare_enable(pdata->clk);
|
||||
@@ -590,6 +604,8 @@ static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
val |= SCAN_AUTO_INCR;
|
||||
MGMT_CLOCK_SEL_SET(&val, 1);
|
||||
xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, val);
|
||||
+
|
||||
+ return 0;
|
||||
}
|
||||
|
||||
static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata)
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
index 3855858..ec45f32 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
@@ -104,6 +104,9 @@ enum xgene_enet_rm {
|
||||
#define BLOCK_ETH_MAC_OFFSET 0x0000
|
||||
#define BLOCK_ETH_MAC_CSR_OFFSET 0x2800
|
||||
|
||||
+#define CLKEN_ADDR 0xc208
|
||||
+#define SRST_ADDR 0xc200
|
||||
+
|
||||
#define MAC_ADDR_REG_OFFSET 0x00
|
||||
#define MAC_COMMAND_REG_OFFSET 0x04
|
||||
#define MAC_WRITE_REG_OFFSET 0x08
|
||||
@@ -318,6 +321,7 @@ void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring,
|
||||
|
||||
int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata);
|
||||
void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata);
|
||||
+bool xgene_ring_mgr_init(struct xgene_enet_pdata *p);
|
||||
|
||||
extern struct xgene_mac_ops xgene_gmac_ops;
|
||||
extern struct xgene_port_ops xgene_gport_ops;
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
index 3c208cc..cc3f955 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
@@ -852,7 +852,9 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
|
||||
u16 dst_ring_num;
|
||||
int ret;
|
||||
|
||||
- pdata->port_ops->reset(pdata);
|
||||
+ ret = pdata->port_ops->reset(pdata);
|
||||
+ if (ret)
|
||||
+ return ret;
|
||||
|
||||
ret = xgene_enet_create_desc_rings(ndev);
|
||||
if (ret) {
|
||||
@@ -954,6 +956,7 @@ static int xgene_enet_probe(struct platform_device *pdev)
|
||||
|
||||
return ret;
|
||||
err:
|
||||
+ unregister_netdev(ndev);
|
||||
free_netdev(ndev);
|
||||
return ret;
|
||||
}
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
index 874e5a0..dba647d 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
@@ -83,7 +83,7 @@ struct xgene_mac_ops {
|
||||
};
|
||||
|
||||
struct xgene_port_ops {
|
||||
- void (*reset)(struct xgene_enet_pdata *pdata);
|
||||
+ int (*reset)(struct xgene_enet_pdata *pdata);
|
||||
void (*cle_bypass)(struct xgene_enet_pdata *pdata,
|
||||
u32 dst_ring_num, u16 bufpool_id);
|
||||
void (*shutdown)(struct xgene_enet_pdata *pdata);
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
index c22f326..f5d4f68 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
@@ -311,14 +311,19 @@ static void xgene_sgmac_tx_disable(struct xgene_enet_pdata *p)
|
||||
xgene_sgmac_rxtx(p, TX_EN, false);
|
||||
}
|
||||
|
||||
-static void xgene_enet_reset(struct xgene_enet_pdata *p)
|
||||
+static int xgene_enet_reset(struct xgene_enet_pdata *p)
|
||||
{
|
||||
+ if (!xgene_ring_mgr_init(p))
|
||||
+ return -ENODEV;
|
||||
+
|
||||
clk_prepare_enable(p->clk);
|
||||
clk_disable_unprepare(p->clk);
|
||||
clk_prepare_enable(p->clk);
|
||||
|
||||
xgene_enet_ecc_init(p);
|
||||
xgene_enet_config_ring_if_assoc(p);
|
||||
+
|
||||
+ return 0;
|
||||
}
|
||||
|
||||
static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p,
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
|
||||
index 67d0720..a18a9d1 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
|
||||
@@ -252,14 +252,19 @@ static void xgene_xgmac_tx_disable(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data & ~HSTTFEN);
|
||||
}
|
||||
|
||||
-static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
+static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
+ if (!xgene_ring_mgr_init(pdata))
|
||||
+ return -ENODEV;
|
||||
+
|
||||
clk_prepare_enable(pdata->clk);
|
||||
clk_disable_unprepare(pdata->clk);
|
||||
clk_prepare_enable(pdata->clk);
|
||||
|
||||
xgene_enet_ecc_init(pdata);
|
||||
xgene_enet_config_ring_if_assoc(pdata);
|
||||
+
|
||||
+ return 0;
|
||||
}
|
||||
|
||||
static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata,
|
||||
--
|
||||
2.1.0
|
||||
|
353
debian/patches/features/arm64/drivers-net-xgene-Preparing-for-adding-10GbE-support.patch
vendored
Normal file
353
debian/patches/features/arm64/drivers-net-xgene-Preparing-for-adding-10GbE-support.patch
vendored
Normal file
|
@ -0,0 +1,353 @@
|
|||
From 33f8dba6cb5493b2fff26c43a6cc0321e0814732 Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Thu, 9 Oct 2014 18:32:05 -0700
|
||||
Subject: [PATCH 01/11] drivers: net: xgene: Preparing for adding 10GbE support
|
||||
Origin: https://git.kernel.org/linus/d0eb74582fa7b5c15710d293a3c4d8d3409ae165
|
||||
|
||||
- Rearranged code to pave the way for adding 10GbE support
|
||||
- Added mac_ops structure containing function pointers for mac specific functions
|
||||
- Added port_ops structure containing function pointers for port specific functions
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 44 ++++++++++++++++--------
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 16 ++-------
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 40 +++++++++++++--------
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 19 ++++++++++
|
||||
4 files changed, 78 insertions(+), 41 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
index 812d8d6..c8f3824 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
@@ -402,7 +402,7 @@ static int xgene_mii_phy_read(struct xgene_enet_pdata *pdata,
|
||||
return data;
|
||||
}
|
||||
|
||||
-void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 addr0, addr1;
|
||||
u8 *dev_addr = pdata->ndev->dev_addr;
|
||||
@@ -436,13 +436,13 @@ static int xgene_enet_ecc_init(struct xgene_enet_pdata *pdata)
|
||||
return 0;
|
||||
}
|
||||
|
||||
-void xgene_gmac_reset(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gmac_reset(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, SOFT_RESET1);
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, 0);
|
||||
}
|
||||
|
||||
-void xgene_gmac_init(struct xgene_enet_pdata *pdata, int speed)
|
||||
+static void xgene_gmac_init(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 value, mc2;
|
||||
u32 intf_ctl, rgmii;
|
||||
@@ -456,7 +456,7 @@ void xgene_gmac_init(struct xgene_enet_pdata *pdata, int speed)
|
||||
xgene_enet_rd_mcx_mac(pdata, INTERFACE_CONTROL_ADDR, &intf_ctl);
|
||||
xgene_enet_rd_csr(pdata, RGMII_REG_0_ADDR, &rgmii);
|
||||
|
||||
- switch (speed) {
|
||||
+ switch (pdata->phy_speed) {
|
||||
case SPEED_10:
|
||||
ENET_INTERFACE_MODE2_SET(&mc2, 1);
|
||||
CFG_MACMODE_SET(&icm0, 0);
|
||||
@@ -525,8 +525,8 @@ static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIQMLITEFPQASSOC_ADDR, val);
|
||||
}
|
||||
|
||||
-void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata,
|
||||
- u32 dst_ring_num, u16 bufpool_id)
|
||||
+static void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata,
|
||||
+ u32 dst_ring_num, u16 bufpool_id)
|
||||
{
|
||||
u32 cb;
|
||||
u32 fpsel;
|
||||
@@ -544,7 +544,7 @@ void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata,
|
||||
xgene_enet_wr_csr(pdata, CLE_BYPASS_REG1_0_ADDR, cb);
|
||||
}
|
||||
|
||||
-void xgene_gmac_rx_enable(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gmac_rx_enable(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 data;
|
||||
|
||||
@@ -552,7 +552,7 @@ void xgene_gmac_rx_enable(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data | RX_EN);
|
||||
}
|
||||
|
||||
-void xgene_gmac_tx_enable(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gmac_tx_enable(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 data;
|
||||
|
||||
@@ -560,7 +560,7 @@ void xgene_gmac_tx_enable(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data | TX_EN);
|
||||
}
|
||||
|
||||
-void xgene_gmac_rx_disable(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gmac_rx_disable(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 data;
|
||||
|
||||
@@ -568,7 +568,7 @@ void xgene_gmac_rx_disable(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~RX_EN);
|
||||
}
|
||||
|
||||
-void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 data;
|
||||
|
||||
@@ -576,7 +576,7 @@ void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~TX_EN);
|
||||
}
|
||||
|
||||
-void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
@@ -593,7 +593,7 @@ void xgene_enet_reset(struct xgene_enet_pdata *pdata)
|
||||
xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, val);
|
||||
}
|
||||
|
||||
-void xgene_gport_shutdown(struct xgene_enet_pdata *pdata)
|
||||
+static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata)
|
||||
{
|
||||
clk_disable_unprepare(pdata->clk);
|
||||
}
|
||||
@@ -627,10 +627,10 @@ static void xgene_enet_adjust_link(struct net_device *ndev)
|
||||
|
||||
if (phydev->link) {
|
||||
if (pdata->phy_speed != phydev->speed) {
|
||||
- xgene_gmac_init(pdata, phydev->speed);
|
||||
+ pdata->phy_speed = phydev->speed;
|
||||
+ xgene_gmac_init(pdata);
|
||||
xgene_gmac_rx_enable(pdata);
|
||||
xgene_gmac_tx_enable(pdata);
|
||||
- pdata->phy_speed = phydev->speed;
|
||||
phy_print_status(phydev);
|
||||
}
|
||||
} else {
|
||||
@@ -726,3 +726,19 @@ void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata)
|
||||
mdiobus_free(pdata->mdio_bus);
|
||||
pdata->mdio_bus = NULL;
|
||||
}
|
||||
+
|
||||
+struct xgene_mac_ops xgene_gmac_ops = {
|
||||
+ .init = xgene_gmac_init,
|
||||
+ .reset = xgene_gmac_reset,
|
||||
+ .rx_enable = xgene_gmac_rx_enable,
|
||||
+ .tx_enable = xgene_gmac_tx_enable,
|
||||
+ .rx_disable = xgene_gmac_rx_disable,
|
||||
+ .tx_disable = xgene_gmac_tx_disable,
|
||||
+ .set_mac_addr = xgene_gmac_set_mac_addr,
|
||||
+};
|
||||
+
|
||||
+struct xgene_port_ops xgene_gport_ops = {
|
||||
+ .reset = xgene_enet_reset,
|
||||
+ .cle_bypass = xgene_enet_cle_bypass,
|
||||
+ .shutdown = xgene_gport_shutdown,
|
||||
+};
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
index 371e7a5..084ac68 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
@@ -318,20 +318,10 @@ void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring,
|
||||
struct xgene_enet_pdata *pdata,
|
||||
enum xgene_enet_err_code status);
|
||||
|
||||
-void xgene_enet_reset(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_reset(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_init(struct xgene_enet_pdata *priv, int speed);
|
||||
-void xgene_gmac_tx_enable(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_rx_enable(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_tx_disable(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_rx_disable(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata);
|
||||
-void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata,
|
||||
- u32 dst_ring_num, u16 bufpool_id);
|
||||
-void xgene_gport_shutdown(struct xgene_enet_pdata *priv);
|
||||
-void xgene_gmac_get_tx_stats(struct xgene_enet_pdata *pdata);
|
||||
-
|
||||
int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata);
|
||||
void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata);
|
||||
|
||||
+extern struct xgene_mac_ops xgene_gmac_ops;
|
||||
+extern struct xgene_port_ops xgene_gport_ops;
|
||||
+
|
||||
#endif /* __XGENE_ENET_HW_H__ */
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
index e4222af..c432644 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
@@ -413,7 +413,7 @@ static void xgene_enet_timeout(struct net_device *ndev)
|
||||
{
|
||||
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||||
|
||||
- xgene_gmac_reset(pdata);
|
||||
+ pdata->mac_ops->reset(pdata);
|
||||
}
|
||||
|
||||
static int xgene_enet_register_irq(struct net_device *ndev)
|
||||
@@ -445,10 +445,11 @@ static void xgene_enet_free_irq(struct net_device *ndev)
|
||||
static int xgene_enet_open(struct net_device *ndev)
|
||||
{
|
||||
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||||
+ struct xgene_mac_ops *mac_ops = pdata->mac_ops;
|
||||
int ret;
|
||||
|
||||
- xgene_gmac_tx_enable(pdata);
|
||||
- xgene_gmac_rx_enable(pdata);
|
||||
+ mac_ops->tx_enable(pdata);
|
||||
+ mac_ops->rx_enable(pdata);
|
||||
|
||||
ret = xgene_enet_register_irq(ndev);
|
||||
if (ret)
|
||||
@@ -466,6 +467,7 @@ static int xgene_enet_open(struct net_device *ndev)
|
||||
static int xgene_enet_close(struct net_device *ndev)
|
||||
{
|
||||
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
|
||||
+ struct xgene_mac_ops *mac_ops = pdata->mac_ops;
|
||||
|
||||
netif_stop_queue(ndev);
|
||||
|
||||
@@ -476,8 +478,8 @@ static int xgene_enet_close(struct net_device *ndev)
|
||||
xgene_enet_free_irq(ndev);
|
||||
xgene_enet_process_ring(pdata->rx_ring, -1);
|
||||
|
||||
- xgene_gmac_tx_disable(pdata);
|
||||
- xgene_gmac_rx_disable(pdata);
|
||||
+ mac_ops->tx_disable(pdata);
|
||||
+ mac_ops->rx_disable(pdata);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -724,7 +726,7 @@ static int xgene_enet_set_mac_address(struct net_device *ndev, void *addr)
|
||||
ret = eth_mac_addr(ndev, addr);
|
||||
if (ret)
|
||||
return ret;
|
||||
- xgene_gmac_set_mac_addr(pdata);
|
||||
+ pdata->mac_ops->set_mac_addr(pdata);
|
||||
|
||||
return ret;
|
||||
}
|
||||
@@ -834,8 +836,8 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
|
||||
u16 dst_ring_num;
|
||||
int ret;
|
||||
|
||||
- xgene_gmac_tx_disable(pdata);
|
||||
- xgene_gmac_rx_disable(pdata);
|
||||
+ pdata->mac_ops->tx_disable(pdata);
|
||||
+ pdata->mac_ops->rx_disable(pdata);
|
||||
|
||||
ret = xgene_enet_create_desc_rings(ndev);
|
||||
if (ret) {
|
||||
@@ -853,11 +855,17 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
|
||||
}
|
||||
|
||||
dst_ring_num = xgene_enet_dst_ring_num(pdata->rx_ring);
|
||||
- xgene_enet_cle_bypass(pdata, dst_ring_num, buf_pool->id);
|
||||
+ pdata->port_ops->cle_bypass(pdata, dst_ring_num, buf_pool->id);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
+static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
|
||||
+{
|
||||
+ pdata->mac_ops = &xgene_gmac_ops;
|
||||
+ pdata->port_ops = &xgene_gport_ops;
|
||||
+}
|
||||
+
|
||||
static int xgene_enet_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct net_device *ndev;
|
||||
@@ -886,8 +894,9 @@ static int xgene_enet_probe(struct platform_device *pdev)
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
- xgene_enet_reset(pdata);
|
||||
- xgene_gmac_init(pdata, SPEED_1000);
|
||||
+ xgene_enet_setup_ops(pdata);
|
||||
+ pdata->port_ops->reset(pdata);
|
||||
+ pdata->mac_ops->init(pdata);
|
||||
|
||||
ret = register_netdev(ndev);
|
||||
if (ret) {
|
||||
@@ -918,19 +927,21 @@ err:
|
||||
static int xgene_enet_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct xgene_enet_pdata *pdata;
|
||||
+ struct xgene_mac_ops *mac_ops;
|
||||
struct net_device *ndev;
|
||||
|
||||
pdata = platform_get_drvdata(pdev);
|
||||
+ mac_ops = pdata->mac_ops;
|
||||
ndev = pdata->ndev;
|
||||
|
||||
- xgene_gmac_rx_disable(pdata);
|
||||
- xgene_gmac_tx_disable(pdata);
|
||||
+ mac_ops->rx_disable(pdata);
|
||||
+ mac_ops->tx_disable(pdata);
|
||||
|
||||
netif_napi_del(&pdata->rx_ring->napi);
|
||||
xgene_enet_mdio_remove(pdata);
|
||||
xgene_enet_delete_desc_rings(pdata);
|
||||
unregister_netdev(ndev);
|
||||
- xgene_gport_shutdown(pdata);
|
||||
+ pdata->port_ops->shutdown(pdata);
|
||||
free_netdev(ndev);
|
||||
|
||||
return 0;
|
||||
@@ -956,5 +967,6 @@ module_platform_driver(xgene_enet_driver);
|
||||
|
||||
MODULE_DESCRIPTION("APM X-Gene SoC Ethernet driver");
|
||||
MODULE_VERSION(XGENE_DRV_VERSION);
|
||||
+MODULE_AUTHOR("Iyappan Subramanian <isubramanian@apm.com>");
|
||||
MODULE_AUTHOR("Keyur Chudgar <kchudgar@apm.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
index 0815866..ac180f9 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
@@ -68,6 +68,23 @@ struct xgene_enet_desc_ring {
|
||||
};
|
||||
};
|
||||
|
||||
+struct xgene_mac_ops {
|
||||
+ void (*init)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*reset)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*tx_enable)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*rx_enable)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*tx_disable)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*rx_disable)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*set_mac_addr)(struct xgene_enet_pdata *pdata);
|
||||
+};
|
||||
+
|
||||
+struct xgene_port_ops {
|
||||
+ void (*reset)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*cle_bypass)(struct xgene_enet_pdata *pdata,
|
||||
+ u32 dst_ring_num, u16 bufpool_id);
|
||||
+ void (*shutdown)(struct xgene_enet_pdata *pdata);
|
||||
+};
|
||||
+
|
||||
/* ethernet private data */
|
||||
struct xgene_enet_pdata {
|
||||
struct net_device *ndev;
|
||||
@@ -98,6 +115,8 @@ struct xgene_enet_pdata {
|
||||
u32 speed;
|
||||
u16 rm;
|
||||
struct rtnl_link_stats64 stats;
|
||||
+ struct xgene_mac_ops *mac_ops;
|
||||
+ struct xgene_port_ops *port_ops;
|
||||
};
|
||||
|
||||
/* Set the specified value into a bit-field defined by its starting position
|
||||
--
|
||||
2.1.0
|
||||
|
153
debian/patches/features/arm64/drivers-net-xgene-Preparing-for-adding-SGMII-based-1.patch
vendored
Normal file
153
debian/patches/features/arm64/drivers-net-xgene-Preparing-for-adding-SGMII-based-1.patch
vendored
Normal file
|
@ -0,0 +1,153 @@
|
|||
From 0d0393191a19911ef523a4cba10bedb10bbf07dd Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 13 Oct 2014 17:05:33 -0700
|
||||
Subject: [PATCH 04/11] drivers: net: xgene: Preparing for adding SGMII based
|
||||
1GbE
|
||||
Origin: https://git.kernel.org/linus/dc8385f0c0f46ca18c1c8ab59c9f565dc7cfa6bf
|
||||
|
||||
- Added link_state function pointer to the xgene__mac_ops structure
|
||||
- Moved ring manager (pdata->rm) assignment to xgene_enet_setup_ops
|
||||
- Removed unused variable (pdata->phy_addr) and macro (FULL_DUPLEX)
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 1 -
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 1 -
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 8 +++++---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 2 +-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 3 ++-
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h | 1 -
|
||||
6 files changed, 8 insertions(+), 8 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
index c8f3824..63ea194 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
|
||||
@@ -410,7 +410,6 @@ static void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata)
|
||||
addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
|
||||
(dev_addr[1] << 8) | dev_addr[0];
|
||||
addr1 = (dev_addr[5] << 24) | (dev_addr[4] << 16);
|
||||
- addr1 |= pdata->phy_addr & 0xFFFF;
|
||||
|
||||
xgene_enet_wr_mcx_mac(pdata, STATION_ADDR0_ADDR, addr0);
|
||||
xgene_enet_wr_mcx_mac(pdata, STATION_ADDR1_ADDR, addr1);
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
index 15ec426..2efc4d9 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
|
||||
@@ -179,7 +179,6 @@ enum xgene_enet_rm {
|
||||
#define TUND_ADDR 0x4a
|
||||
|
||||
#define TSO_IPPROTO_TCP 1
|
||||
-#define FULL_DUPLEX 2
|
||||
|
||||
#define USERINFO_POS 0
|
||||
#define USERINFO_LEN 32
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
index 9b85239..9e251ec 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
@@ -833,11 +833,9 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
|
||||
if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
|
||||
pdata->mcx_mac_addr = base_addr + BLOCK_ETH_MAC_OFFSET;
|
||||
pdata->mcx_mac_csr_addr = base_addr + BLOCK_ETH_MAC_CSR_OFFSET;
|
||||
- pdata->rm = RM3;
|
||||
} else {
|
||||
pdata->mcx_mac_addr = base_addr + BLOCK_AXG_MAC_OFFSET;
|
||||
pdata->mcx_mac_csr_addr = base_addr + BLOCK_AXG_MAC_CSR_OFFSET;
|
||||
- pdata->rm = RM0;
|
||||
}
|
||||
pdata->rx_buff_cnt = NUM_PKT_BUF;
|
||||
|
||||
@@ -881,10 +879,12 @@ static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
|
||||
case PHY_INTERFACE_MODE_RGMII:
|
||||
pdata->mac_ops = &xgene_gmac_ops;
|
||||
pdata->port_ops = &xgene_gport_ops;
|
||||
+ pdata->rm = RM3;
|
||||
break;
|
||||
default:
|
||||
pdata->mac_ops = &xgene_xgmac_ops;
|
||||
pdata->port_ops = &xgene_xgport_ops;
|
||||
+ pdata->rm = RM0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
@@ -895,6 +895,7 @@ static int xgene_enet_probe(struct platform_device *pdev)
|
||||
struct xgene_enet_pdata *pdata;
|
||||
struct device *dev = &pdev->dev;
|
||||
struct napi_struct *napi;
|
||||
+ struct xgene_mac_ops *mac_ops;
|
||||
int ret;
|
||||
|
||||
ndev = alloc_etherdev(sizeof(struct xgene_enet_pdata));
|
||||
@@ -937,10 +938,11 @@ static int xgene_enet_probe(struct platform_device *pdev)
|
||||
|
||||
napi = &pdata->rx_ring->napi;
|
||||
netif_napi_add(ndev, napi, xgene_enet_napi, NAPI_POLL_WEIGHT);
|
||||
+ mac_ops = pdata->mac_ops;
|
||||
if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
|
||||
ret = xgene_enet_mdio_config(pdata);
|
||||
else
|
||||
- INIT_DELAYED_WORK(&pdata->link_work, xgene_enet_link_state);
|
||||
+ INIT_DELAYED_WORK(&pdata->link_work, mac_ops->link_state);
|
||||
|
||||
return ret;
|
||||
err:
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
index 86cf68b..10b03a1 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
@@ -76,6 +76,7 @@ struct xgene_mac_ops {
|
||||
void (*tx_disable)(struct xgene_enet_pdata *pdata);
|
||||
void (*rx_disable)(struct xgene_enet_pdata *pdata);
|
||||
void (*set_mac_addr)(struct xgene_enet_pdata *pdata);
|
||||
+ void (*link_state)(struct work_struct *work);
|
||||
};
|
||||
|
||||
struct xgene_port_ops {
|
||||
@@ -109,7 +110,6 @@ struct xgene_enet_pdata {
|
||||
void __iomem *base_addr;
|
||||
void __iomem *ring_csr_addr;
|
||||
void __iomem *ring_cmd_addr;
|
||||
- u32 phy_addr;
|
||||
int phy_mode;
|
||||
enum xgene_enet_rm rm;
|
||||
struct rtnl_link_stats64 stats;
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
|
||||
index cd64b9f..67d0720 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
|
||||
@@ -284,7 +284,7 @@ static void xgene_enet_shutdown(struct xgene_enet_pdata *pdata)
|
||||
clk_disable_unprepare(pdata->clk);
|
||||
}
|
||||
|
||||
-void xgene_enet_link_state(struct work_struct *work)
|
||||
+static void xgene_enet_link_state(struct work_struct *work)
|
||||
{
|
||||
struct xgene_enet_pdata *pdata = container_of(to_delayed_work(work),
|
||||
struct xgene_enet_pdata, link_work);
|
||||
@@ -322,6 +322,7 @@ struct xgene_mac_ops xgene_xgmac_ops = {
|
||||
.rx_disable = xgene_xgmac_rx_disable,
|
||||
.tx_disable = xgene_xgmac_tx_disable,
|
||||
.set_mac_addr = xgene_xgmac_set_mac_addr,
|
||||
+ .link_state = xgene_enet_link_state
|
||||
};
|
||||
|
||||
struct xgene_port_ops xgene_xgport_ops = {
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
index d2d59e7..dcb2087 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.h
|
||||
@@ -50,7 +50,6 @@
|
||||
#define PHY_POLL_LINK_ON (10 * HZ)
|
||||
#define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5)
|
||||
|
||||
-void xgene_enet_link_state(struct work_struct *work);
|
||||
extern struct xgene_mac_ops xgene_xgmac_ops;
|
||||
extern struct xgene_port_ops xgene_xgport_ops;
|
||||
|
||||
--
|
||||
2.1.0
|
||||
|
54
debian/patches/features/arm64/drivers-net-xgene-Rewrite-buggy-loop-in-xgene_enet_e.patch
vendored
Normal file
54
debian/patches/features/arm64/drivers-net-xgene-Rewrite-buggy-loop-in-xgene_enet_e.patch
vendored
Normal file
|
@ -0,0 +1,54 @@
|
|||
From 9f2bc2c30d24987cff5edc43a3d8f89bef6ce12a Mon Sep 17 00:00:00 2001
|
||||
From: Geert Uytterhoeven <geert@linux-m68k.org>
|
||||
Date: Thu, 23 Oct 2014 10:25:53 +0200
|
||||
Subject: [PATCH 07/11] drivers: net: xgene: Rewrite buggy loop in
|
||||
xgene_enet_ecc_init()
|
||||
Origin: https://git.kernel.org/linus/b71e821de50f0ff92f10f33064ee1713e9014158
|
||||
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c: In function ‘xgene_enet_ecc_init’:
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:126: warning: ‘data’ may be used uninitialized in this function
|
||||
|
||||
Depending on the arbitrary value on the stack, the loop may terminate
|
||||
too early, and cause a bogus -ENODEV failure.
|
||||
|
||||
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 16 +++++++---------
|
||||
1 file changed, 7 insertions(+), 9 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
index e6d24c2..c22f326 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
|
||||
@@ -124,20 +124,18 @@ static int xgene_enet_ecc_init(struct xgene_enet_pdata *p)
|
||||
{
|
||||
struct net_device *ndev = p->ndev;
|
||||
u32 data;
|
||||
- int i;
|
||||
+ int i = 0;
|
||||
|
||||
xgene_enet_wr_diag_csr(p, ENET_CFG_MEM_RAM_SHUTDOWN_ADDR, 0);
|
||||
- for (i = 0; i < 10 && data != ~0U ; i++) {
|
||||
+ do {
|
||||
usleep_range(100, 110);
|
||||
data = xgene_enet_rd_diag_csr(p, ENET_BLOCK_MEM_RDY_ADDR);
|
||||
- }
|
||||
+ if (data == ~0U)
|
||||
+ return 0;
|
||||
+ } while (++i < 10);
|
||||
|
||||
- if (data != ~0U) {
|
||||
- netdev_err(ndev, "Failed to release memory from shutdown\n");
|
||||
- return -ENODEV;
|
||||
- }
|
||||
-
|
||||
- return 0;
|
||||
+ netdev_err(ndev, "Failed to release memory from shutdown\n");
|
||||
+ return -ENODEV;
|
||||
}
|
||||
|
||||
static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *p)
|
||||
--
|
||||
2.1.0
|
||||
|
78
debian/patches/features/arm64/drivers-net-xgene-fix-Use-separate-resources.patch
vendored
Normal file
78
debian/patches/features/arm64/drivers-net-xgene-fix-Use-separate-resources.patch
vendored
Normal file
|
@ -0,0 +1,78 @@
|
|||
From 33b54088743086cd6fdce269486e0bf27ed24155 Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 3 Nov 2014 11:59:56 -0800
|
||||
Subject: [PATCH 09/11] drivers: net: xgene: fix: Use separate resources
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=bdd330f0506b2c4d02d5453fa32e785f0c348388
|
||||
|
||||
This patch fixes the following kernel crash during SGMII based 1GbE probe.
|
||||
|
||||
BUG: Bad page state in process swapper/0 pfn:40fe6ad
|
||||
page:ffffffbee37a75d8 count:-1 mapcount:0 mapping: (null) index:0x0
|
||||
flags: 0x0()
|
||||
page dumped because: nonzero _count
|
||||
Modules linked in:
|
||||
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.17.0+ #7
|
||||
Call trace:
|
||||
[<ffffffc000087fa0>] dump_backtrace+0x0/0x12c
|
||||
[<ffffffc0000880dc>] show_stack+0x10/0x1c
|
||||
[<ffffffc0004d981c>] dump_stack+0x74/0xc4
|
||||
[<ffffffc00012fe70>] bad_page+0xd8/0x128
|
||||
[<ffffffc000133000>] get_page_from_freelist+0x4b8/0x640
|
||||
[<ffffffc000133260>] __alloc_pages_nodemask+0xd8/0x834
|
||||
[<ffffffc0004194f8>] __netdev_alloc_frag+0x124/0x1b8
|
||||
[<ffffffc00041bfdc>] __netdev_alloc_skb+0x90/0x10c
|
||||
[<ffffffc00039ff30>] xgene_enet_refill_bufpool+0x11c/0x280
|
||||
[<ffffffc0003a11a4>] xgene_enet_process_ring+0x168/0x340
|
||||
[<ffffffc0003a1498>] xgene_enet_napi+0x1c/0x50
|
||||
[<ffffffc00042b454>] net_rx_action+0xc8/0x18c
|
||||
[<ffffffc0000b0880>] __do_softirq+0x114/0x24c
|
||||
[<ffffffc0000b0c34>] irq_exit+0x94/0xc8
|
||||
[<ffffffc0000e68a0>] __handle_domain_irq+0x8c/0xf4
|
||||
[<ffffffc000081288>] gic_handle_irq+0x30/0x7c
|
||||
|
||||
This was due to hardware resource sharing conflict with the firmware. This
|
||||
patch fixes this crash by using resources (descriptor ring, prefetch buffer)
|
||||
that are not shared.
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 6 +++---
|
||||
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 3 +++
|
||||
2 files changed, 6 insertions(+), 3 deletions(-)
|
||||
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
index cc3f955..1236696 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
|
||||
@@ -639,9 +639,9 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev)
|
||||
struct device *dev = ndev_to_dev(ndev);
|
||||
struct xgene_enet_desc_ring *rx_ring, *tx_ring, *cp_ring;
|
||||
struct xgene_enet_desc_ring *buf_pool = NULL;
|
||||
- u8 cpu_bufnum = 0, eth_bufnum = 0;
|
||||
- u8 bp_bufnum = 0x20;
|
||||
- u16 ring_id, ring_num = 0;
|
||||
+ u8 cpu_bufnum = 0, eth_bufnum = START_ETH_BUFNUM;
|
||||
+ u8 bp_bufnum = START_BP_BUFNUM;
|
||||
+ u16 ring_id, ring_num = START_RING_NUM;
|
||||
int ret;
|
||||
|
||||
/* allocate rx descriptor ring */
|
||||
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
index dba647d..f9958fa 100644
|
||||
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
|
||||
@@ -38,6 +38,9 @@
|
||||
#define SKB_BUFFER_SIZE (XGENE_ENET_MAX_MTU - NET_IP_ALIGN)
|
||||
#define NUM_PKT_BUF 64
|
||||
#define NUM_BUFPOOL 32
|
||||
+#define START_ETH_BUFNUM 2
|
||||
+#define START_BP_BUFNUM 0x22
|
||||
+#define START_RING_NUM 8
|
||||
|
||||
#define PHY_POLL_LINK_ON (10 * HZ)
|
||||
#define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5)
|
||||
--
|
||||
2.1.0
|
||||
|
84
debian/patches/features/arm64/dtb-Add-10GbE-node-to-APM-X-Gene-SoC-device-tree.patch
vendored
Normal file
84
debian/patches/features/arm64/dtb-Add-10GbE-node-to-APM-X-Gene-SoC-device-tree.patch
vendored
Normal file
|
@ -0,0 +1,84 @@
|
|||
From fe64571ba6b03ee505c4b384da1b335729b36db3 Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Thu, 9 Oct 2014 18:32:04 -0700
|
||||
Subject: [PATCH 10/11] dtb: Add 10GbE node to APM X-Gene SoC device tree
|
||||
Origin: https://git.kernel.org/linus/5fb32417b7e52d2e6d5f5c64d277a03e5c998a02
|
||||
|
||||
Added 10GbE interface and clock nodes.
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
arch/arm64/boot/dts/apm-mustang.dts | 4 ++++
|
||||
arch/arm64/boot/dts/apm-storm.dtsi | 29 ++++++++++++++++++++++++++++-
|
||||
2 files changed, 32 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/arch/arm64/boot/dts/apm-mustang.dts b/arch/arm64/boot/dts/apm-mustang.dts
|
||||
index b2f5622..2ae782b 100644
|
||||
--- a/arch/arm64/boot/dts/apm-mustang.dts
|
||||
+++ b/arch/arm64/boot/dts/apm-mustang.dts
|
||||
@@ -32,3 +32,7 @@
|
||||
&menet {
|
||||
status = "ok";
|
||||
};
|
||||
+
|
||||
+&xgenet {
|
||||
+ status = "ok";
|
||||
+};
|
||||
diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
index c0aceef..4d762a3 100644
|
||||
--- a/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
+++ b/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
@@ -176,6 +176,16 @@
|
||||
clock-output-names = "menetclk";
|
||||
};
|
||||
|
||||
+ xge0clk: xge0clk@1f61c000 {
|
||||
+ compatible = "apm,xgene-device-clock";
|
||||
+ #clock-cells = <1>;
|
||||
+ clocks = <&socplldiv2 0>;
|
||||
+ reg = <0x0 0x1f61c000 0x0 0x1000>;
|
||||
+ reg-names = "csr-reg";
|
||||
+ csr-mask = <0x3>;
|
||||
+ clock-output-names = "xge0clk";
|
||||
+ };
|
||||
+
|
||||
sataphy1clk: sataphy1clk@1f21c000 {
|
||||
compatible = "apm,xgene-device-clock";
|
||||
#clock-cells = <1>;
|
||||
@@ -407,7 +417,8 @@
|
||||
interrupts = <0x0 0x3c 0x4>;
|
||||
dma-coherent;
|
||||
clocks = <&menetclk 0>;
|
||||
- local-mac-address = [00 01 73 00 00 01];
|
||||
+ /* mac address will be overwritten by the bootloader */
|
||||
+ local-mac-address = [00 00 00 00 00 00];
|
||||
phy-connection-type = "rgmii";
|
||||
phy-handle = <&menetphy>;
|
||||
mdio {
|
||||
@@ -421,5 +432,21 @@
|
||||
|
||||
};
|
||||
};
|
||||
+
|
||||
+ xgenet: ethernet@1f610000 {
|
||||
+ compatible = "apm,xgene-enet";
|
||||
+ status = "disabled";
|
||||
+ reg = <0x0 0x1f610000 0x0 0xd100>,
|
||||
+ <0x0 0x1f600000 0x0 0X400>,
|
||||
+ <0x0 0x18000000 0x0 0X200>;
|
||||
+ reg-names = "enet_csr", "ring_csr", "ring_cmd";
|
||||
+ interrupts = <0x0 0x60 0x4>;
|
||||
+ dma-coherent;
|
||||
+ clocks = <&xge0clk 0>;
|
||||
+ /* mac address will be overwritten by the bootloader */
|
||||
+ local-mac-address = [00 00 00 00 00 00];
|
||||
+ phy-connection-type = "xgmii";
|
||||
+ };
|
||||
+
|
||||
};
|
||||
};
|
||||
--
|
||||
2.1.0
|
||||
|
75
debian/patches/features/arm64/dtb-Add-SGMII-based-1GbE-node-to-APM-X-Gene-SoC-devi.patch
vendored
Normal file
75
debian/patches/features/arm64/dtb-Add-SGMII-based-1GbE-node-to-APM-X-Gene-SoC-devi.patch
vendored
Normal file
|
@ -0,0 +1,75 @@
|
|||
From 8e17e86dde4b417cdbe8ee9073b8ffc10a1f5afb Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 13 Oct 2014 17:05:32 -0700
|
||||
Subject: [PATCH 11/11] dtb: Add SGMII based 1GbE node to APM X-Gene SoC device
|
||||
tree
|
||||
Origin: https://git.kernel.org/linus/4c2e7f0954dcd9fbb47d065c654d44608dad38e0
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
arch/arm64/boot/dts/apm-mustang.dts | 4 ++++
|
||||
arch/arm64/boot/dts/apm-storm.dtsi | 24 ++++++++++++++++++++++++
|
||||
2 files changed, 28 insertions(+)
|
||||
|
||||
diff --git a/arch/arm64/boot/dts/apm-mustang.dts b/arch/arm64/boot/dts/apm-mustang.dts
|
||||
index 2ae782b..71a1489 100644
|
||||
--- a/arch/arm64/boot/dts/apm-mustang.dts
|
||||
+++ b/arch/arm64/boot/dts/apm-mustang.dts
|
||||
@@ -33,6 +33,10 @@
|
||||
status = "ok";
|
||||
};
|
||||
|
||||
+&sgenet0 {
|
||||
+ status = "ok";
|
||||
+};
|
||||
+
|
||||
&xgenet {
|
||||
status = "ok";
|
||||
};
|
||||
diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
index d16cc03..f45bbfe 100644
|
||||
--- a/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
+++ b/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
@@ -176,6 +176,16 @@
|
||||
clock-output-names = "menetclk";
|
||||
};
|
||||
|
||||
+ sge0clk: sge0clk@1f21c000 {
|
||||
+ compatible = "apm,xgene-device-clock";
|
||||
+ #clock-cells = <1>;
|
||||
+ clocks = <&socplldiv2 0>;
|
||||
+ reg = <0x0 0x1f21c000 0x0 0x1000>;
|
||||
+ reg-names = "csr-reg";
|
||||
+ csr-mask = <0x3>;
|
||||
+ clock-output-names = "sge0clk";
|
||||
+ };
|
||||
+
|
||||
xge0clk: xge0clk@1f61c000 {
|
||||
compatible = "apm,xgene-device-clock";
|
||||
#clock-cells = <1>;
|
||||
@@ -446,6 +456,20 @@
|
||||
};
|
||||
};
|
||||
|
||||
+ sgenet0: ethernet@1f210000 {
|
||||
+ compatible = "apm,xgene-enet";
|
||||
+ status = "disabled";
|
||||
+ reg = <0x0 0x1f210000 0x0 0x10000>,
|
||||
+ <0x0 0x1f200000 0x0 0X10000>,
|
||||
+ <0x0 0x1B000000 0x0 0X20000>;
|
||||
+ reg-names = "enet_csr", "ring_csr", "ring_cmd";
|
||||
+ interrupts = <0x0 0xA0 0x4>;
|
||||
+ dma-coherent;
|
||||
+ clocks = <&sge0clk 0>;
|
||||
+ local-mac-address = [00 00 00 00 00 00];
|
||||
+ phy-connection-type = "sgmii";
|
||||
+ };
|
||||
+
|
||||
xgenet: ethernet@1f610000 {
|
||||
compatible = "apm,xgene-enet";
|
||||
status = "disabled";
|
||||
--
|
||||
2.1.0
|
||||
|
85
debian/patches/features/arm64/dtb-xgene-fix-Backward-compatibility-with-older-firm.patch
vendored
Normal file
85
debian/patches/features/arm64/dtb-xgene-fix-Backward-compatibility-with-older-firm.patch
vendored
Normal file
|
@ -0,0 +1,85 @@
|
|||
From 09c9e0593d7215c809a4a47659b0e760112d656e Mon Sep 17 00:00:00 2001
|
||||
From: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Date: Mon, 3 Nov 2014 11:59:54 -0800
|
||||
Subject: [PATCH] dtb: xgene: fix: Backward compatibility with older firmware
|
||||
|
||||
The following kernel crash was reported when using older firmware (<= 1.13.28).
|
||||
|
||||
[ 0.980000] libphy: APM X-Gene MDIO bus: probed
|
||||
[ 1.130000] Unhandled fault: synchronous external abort (0x96000010) at 0xffffff800009a17c
|
||||
[ 1.140000] Internal error: : 96000010 [#1] SMP
|
||||
[ 1.140000] Modules linked in:
|
||||
[ 1.140000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.17.0+ #21
|
||||
[ 1.140000] task: ffffffc3f0110000 ti: ffffffc3f0064000 task.ti: ffffffc3f0064000
|
||||
[ 1.140000] PC is at ioread32+0x58/0x68
|
||||
[ 1.140000] LR is at xgene_enet_setup_ring+0x18c/0x1cc
|
||||
[ 1.140000] pc : [<ffffffc0003cec68>] lr : [<ffffffc00053dad8>] pstate: a0000045
|
||||
[ 1.140000] sp : ffffffc3f0067b20
|
||||
[ 1.140000] x29: ffffffc3f0067b20 x28: ffffffc000aa8ea0
|
||||
[ 1.140000] x27: ffffffc000bb2000 x26: ffffffc000a64270
|
||||
[ 1.140000] x25: ffffffc000b05ad8 x24: ffffffc0ff99ba58
|
||||
[ 1.140000] x23: 0000000000004000 x22: 0000000000004000
|
||||
[ 1.140000] x21: 0000000000000200 x20: 0000000000200000
|
||||
[ 1.140000] x19: ffffffc0ff99ba18 x18: ffffffc0007a6000
|
||||
[ 1.140000] x17: 0000000000000007 x16: 000000000000000e
|
||||
[ 1.140000] x15: 0000000000000001 x14: 0000000000000000
|
||||
[ 1.140000] x13: ffffffbeedb71320 x12: 00000000ffffff80
|
||||
[ 1.140000] x11: 0000000000000002 x10: 0000000000000000
|
||||
[ 1.140000] x9 : 0000000000000000 x8 : ffffffc3eb2a4000
|
||||
[ 1.140000] x7 : 0000000000000000 x6 : 0000000000000000
|
||||
[ 1.140000] x5 : 0000000001080000 x4 : 000000007d654010
|
||||
[ 1.140000] x3 : ffffffffffffffff x2 : 000000000003ffff
|
||||
[ 1.140000] x1 : ffffff800009a17c x0 : ffffff800009a17c
|
||||
|
||||
The issue was that the older firmware does not support 10GbE and
|
||||
SGMII based 1GBE interfaces.
|
||||
|
||||
This patch changes the address length of the reg property of sgmii0 and xgmii
|
||||
nodes and serves as preparatory patch for the fix.
|
||||
|
||||
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
|
||||
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
|
||||
Reported-by: Dann Frazier <dann.frazier@canonical.com>
|
||||
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||||
---
|
||||
arch/arm64/boot/dts/apm-storm.dtsi | 10 +++++-----
|
||||
1 file changed, 5 insertions(+), 5 deletions(-)
|
||||
|
||||
diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
index 295c72d..f1ad9c2 100644
|
||||
--- a/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
+++ b/arch/arm64/boot/dts/apm-storm.dtsi
|
||||
@@ -599,7 +599,7 @@
|
||||
compatible = "apm,xgene-enet";
|
||||
status = "disabled";
|
||||
reg = <0x0 0x17020000 0x0 0xd100>,
|
||||
- <0x0 0X17030000 0x0 0X400>,
|
||||
+ <0x0 0X17030000 0x0 0Xc300>,
|
||||
<0x0 0X10000000 0x0 0X200>;
|
||||
reg-names = "enet_csr", "ring_csr", "ring_cmd";
|
||||
interrupts = <0x0 0x3c 0x4>;
|
||||
@@ -624,9 +624,9 @@
|
||||
sgenet0: ethernet@1f210000 {
|
||||
compatible = "apm,xgene-enet";
|
||||
status = "disabled";
|
||||
- reg = <0x0 0x1f210000 0x0 0x10000>,
|
||||
- <0x0 0x1f200000 0x0 0X10000>,
|
||||
- <0x0 0x1B000000 0x0 0X20000>;
|
||||
+ reg = <0x0 0x1f210000 0x0 0xd100>,
|
||||
+ <0x0 0x1f200000 0x0 0Xc300>,
|
||||
+ <0x0 0x1B000000 0x0 0X200>;
|
||||
reg-names = "enet_csr", "ring_csr", "ring_cmd";
|
||||
interrupts = <0x0 0xA0 0x4>;
|
||||
dma-coherent;
|
||||
@@ -639,7 +639,7 @@
|
||||
compatible = "apm,xgene-enet";
|
||||
status = "disabled";
|
||||
reg = <0x0 0x1f610000 0x0 0xd100>,
|
||||
- <0x0 0x1f600000 0x0 0X400>,
|
||||
+ <0x0 0x1f600000 0x0 0Xc300>,
|
||||
<0x0 0x18000000 0x0 0X200>;
|
||||
reg-names = "enet_csr", "ring_csr", "ring_cmd";
|
||||
interrupts = <0x0 0x60 0x4>;
|
||||
--
|
||||
2.1.0
|
||||
|
|
@ -120,6 +120,18 @@ features/arm64/drivers-net-NET_XGENE-should-depend-on-HAS_DMA.patch
|
|||
features/arm64/net-xgene-Check-negative-return-value-of-xgene_enet_.patch
|
||||
features/arm64/net-xgene-fix-possible-NULL-dereference-in-xgene_ene.patch
|
||||
features/arm64/dts-Add-bindings-for-APM-X-Gene-SoC-ethernet-driver.patch
|
||||
features/arm64/drivers-net-xgene-Preparing-for-adding-10GbE-support.patch
|
||||
features/arm64/drivers-net-xgene-Add-10GbE-support.patch
|
||||
features/arm64/drivers-net-xgene-Add-10GbE-ethtool-support.patch
|
||||
features/arm64/drivers-net-xgene-Preparing-for-adding-SGMII-based-1.patch
|
||||
features/arm64/drivers-net-xgene-Add-SGMII-based-1GbE-support.patch
|
||||
features/arm64/drivers-net-xgene-Add-SGMII-based-1GbE-ethtool-suppo.patch
|
||||
features/arm64/drivers-net-xgene-Rewrite-buggy-loop-in-xgene_enet_e.patch
|
||||
features/arm64/drivers-net-xgene-Backward-compatibility-with-older-.patch
|
||||
features/arm64/drivers-net-xgene-fix-Use-separate-resources.patch
|
||||
features/arm64/dtb-Add-10GbE-node-to-APM-X-Gene-SoC-device-tree.patch
|
||||
features/arm64/dtb-Add-SGMII-based-1GbE-node-to-APM-X-Gene-SoC-devi.patch
|
||||
features/arm64/dtb-xgene-fix-Backward-compatibility-with-older-firm.patch
|
||||
|
||||
# Miscellaneous bug fixes
|
||||
bugfix/all/misc-bmp085-Enable-building-as-a-module.patch
|
||||
|
|
Loading…
Reference in New Issue