From: Iyappan Subramanian <isubramanian@apm.com> To: davem@davemloft.net, netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, patches@apm.com, kchudgar@apm.com, Iyappan Subramanian <isubramanian@apm.com> Subject: [PATCH net-next 3/6] drivers: net: xgene-v2: Add ethernet hardware configuration Date: Tue, 31 Jan 2017 11:03:18 -0800 [thread overview] Message-ID: <1485889401-13909-4-git-send-email-isubramanian@apm.com> (raw) In-Reply-To: <1485889401-13909-1-git-send-email-isubramanian@apm.com> This patch adds functions to configure ethernet hardware. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> --- drivers/net/ethernet/apm/xgene-v2/enet.c | 71 ++++++++++++++++++++++++++++++++ drivers/net/ethernet/apm/xgene-v2/enet.h | 43 +++++++++++++++++++ 2 files changed, 114 insertions(+) create mode 100644 drivers/net/ethernet/apm/xgene-v2/enet.c create mode 100644 drivers/net/ethernet/apm/xgene-v2/enet.h diff --git a/drivers/net/ethernet/apm/xgene-v2/enet.c b/drivers/net/ethernet/apm/xgene-v2/enet.c new file mode 100644 index 0000000..b49edee --- /dev/null +++ b/drivers/net/ethernet/apm/xgene-v2/enet.c @@ -0,0 +1,71 @@ +/* + * Applied Micro X-Gene SoC Ethernet v2 Driver + * + * Copyright (c) 2017, Applied Micro Circuits Corporation + * Author(s): 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 "main.h" + +void xge_wr_csr(struct xge_pdata *pdata, u32 offset, u32 val) +{ + void __iomem *addr = pdata->resources.base_addr + offset; + + iowrite32(val, addr); +} + +u32 xge_rd_csr(struct xge_pdata *pdata, u32 offset) +{ + void __iomem *addr = pdata->resources.base_addr + offset; + + return ioread32(addr); +} + +int xge_port_reset(struct net_device *ndev) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + + xge_wr_csr(pdata, ENET_SRST, 0x3); + xge_wr_csr(pdata, ENET_SRST, 0x2); + xge_wr_csr(pdata, ENET_SRST, 0x0); + + xge_wr_csr(pdata, ENET_SHIM, DEVM_ARAUX_COH | DEVM_AWAUX_COH); + + return 0; +} + +static void xge_traffic_resume(struct net_device *ndev) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + + xge_wr_csr(pdata, CFG_FORCE_LINK_STATUS_EN, 1); + xge_wr_csr(pdata, FORCE_LINK_STATUS, 1); + + xge_wr_csr(pdata, CFG_LINK_AGGR_RESUME, 1); + xge_wr_csr(pdata, RX_DV_GATE_REG, 1); +} + +int xge_port_init(struct net_device *ndev) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + + pdata->phy_speed = SPEED_1000; + xge_mac_init(pdata); + xge_traffic_resume(ndev); + + return 0; +} diff --git a/drivers/net/ethernet/apm/xgene-v2/enet.h b/drivers/net/ethernet/apm/xgene-v2/enet.h new file mode 100644 index 0000000..40371cf --- /dev/null +++ b/drivers/net/ethernet/apm/xgene-v2/enet.h @@ -0,0 +1,43 @@ +/* + * Applied Micro X-Gene SoC Ethernet v2 Driver + * + * Copyright (c) 2017, Applied Micro Circuits Corporation + * Author(s): 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_V2_ENET_H__ +#define __XGENE_ENET_V2_ENET_H__ + +#define ENET_CLKEN 0xc008 +#define ENET_SRST 0xc000 +#define ENET_SHIM 0xc010 +#define CFG_MEM_RAM_SHUTDOWN 0xd070 +#define BLOCK_MEM_RDY 0xd074 + +#define DEVM_ARAUX_COH BIT(19) +#define DEVM_AWAUX_COH BIT(3) + +#define CFG_FORCE_LINK_STATUS_EN 0x229c +#define FORCE_LINK_STATUS 0x22a0 +#define CFG_LINK_AGGR_RESUME 0x27c8 +#define RX_DV_GATE_REG 0x2dfc + +void xge_wr_csr(struct xge_pdata *pdata, u32 offset, u32 val); +u32 xge_rd_csr(struct xge_pdata *pdata, u32 offset); +int xge_port_reset(struct net_device *ndev); + +#endif /* __XGENE_ENET_V2_ENET__H__ */ -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: isubramanian@apm.com (Iyappan Subramanian) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 3/6] drivers: net: xgene-v2: Add ethernet hardware configuration Date: Tue, 31 Jan 2017 11:03:18 -0800 [thread overview] Message-ID: <1485889401-13909-4-git-send-email-isubramanian@apm.com> (raw) In-Reply-To: <1485889401-13909-1-git-send-email-isubramanian@apm.com> This patch adds functions to configure ethernet hardware. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> --- drivers/net/ethernet/apm/xgene-v2/enet.c | 71 ++++++++++++++++++++++++++++++++ drivers/net/ethernet/apm/xgene-v2/enet.h | 43 +++++++++++++++++++ 2 files changed, 114 insertions(+) create mode 100644 drivers/net/ethernet/apm/xgene-v2/enet.c create mode 100644 drivers/net/ethernet/apm/xgene-v2/enet.h diff --git a/drivers/net/ethernet/apm/xgene-v2/enet.c b/drivers/net/ethernet/apm/xgene-v2/enet.c new file mode 100644 index 0000000..b49edee --- /dev/null +++ b/drivers/net/ethernet/apm/xgene-v2/enet.c @@ -0,0 +1,71 @@ +/* + * Applied Micro X-Gene SoC Ethernet v2 Driver + * + * Copyright (c) 2017, Applied Micro Circuits Corporation + * Author(s): 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 "main.h" + +void xge_wr_csr(struct xge_pdata *pdata, u32 offset, u32 val) +{ + void __iomem *addr = pdata->resources.base_addr + offset; + + iowrite32(val, addr); +} + +u32 xge_rd_csr(struct xge_pdata *pdata, u32 offset) +{ + void __iomem *addr = pdata->resources.base_addr + offset; + + return ioread32(addr); +} + +int xge_port_reset(struct net_device *ndev) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + + xge_wr_csr(pdata, ENET_SRST, 0x3); + xge_wr_csr(pdata, ENET_SRST, 0x2); + xge_wr_csr(pdata, ENET_SRST, 0x0); + + xge_wr_csr(pdata, ENET_SHIM, DEVM_ARAUX_COH | DEVM_AWAUX_COH); + + return 0; +} + +static void xge_traffic_resume(struct net_device *ndev) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + + xge_wr_csr(pdata, CFG_FORCE_LINK_STATUS_EN, 1); + xge_wr_csr(pdata, FORCE_LINK_STATUS, 1); + + xge_wr_csr(pdata, CFG_LINK_AGGR_RESUME, 1); + xge_wr_csr(pdata, RX_DV_GATE_REG, 1); +} + +int xge_port_init(struct net_device *ndev) +{ + struct xge_pdata *pdata = netdev_priv(ndev); + + pdata->phy_speed = SPEED_1000; + xge_mac_init(pdata); + xge_traffic_resume(ndev); + + return 0; +} diff --git a/drivers/net/ethernet/apm/xgene-v2/enet.h b/drivers/net/ethernet/apm/xgene-v2/enet.h new file mode 100644 index 0000000..40371cf --- /dev/null +++ b/drivers/net/ethernet/apm/xgene-v2/enet.h @@ -0,0 +1,43 @@ +/* + * Applied Micro X-Gene SoC Ethernet v2 Driver + * + * Copyright (c) 2017, Applied Micro Circuits Corporation + * Author(s): 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_V2_ENET_H__ +#define __XGENE_ENET_V2_ENET_H__ + +#define ENET_CLKEN 0xc008 +#define ENET_SRST 0xc000 +#define ENET_SHIM 0xc010 +#define CFG_MEM_RAM_SHUTDOWN 0xd070 +#define BLOCK_MEM_RDY 0xd074 + +#define DEVM_ARAUX_COH BIT(19) +#define DEVM_AWAUX_COH BIT(3) + +#define CFG_FORCE_LINK_STATUS_EN 0x229c +#define FORCE_LINK_STATUS 0x22a0 +#define CFG_LINK_AGGR_RESUME 0x27c8 +#define RX_DV_GATE_REG 0x2dfc + +void xge_wr_csr(struct xge_pdata *pdata, u32 offset, u32 val); +u32 xge_rd_csr(struct xge_pdata *pdata, u32 offset); +int xge_port_reset(struct net_device *ndev); + +#endif /* __XGENE_ENET_V2_ENET__H__ */ -- 1.9.1
next prev parent reply other threads:[~2017-01-31 19:05 UTC|newest] Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-01-31 19:03 [PATCH net-next 0/6] drivers: net: xgene-v2: Add RGMII based 1G driver Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian 2017-01-31 19:03 ` [PATCH net-next 1/6] drivers: net: xgene-v2: Add DMA descriptor Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian 2017-01-31 19:03 ` [PATCH net-next 2/6] drivers: net: xgene-v2: Add mac configuration Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian [this message] 2017-01-31 19:03 ` [PATCH net-next 3/6] drivers: net: xgene-v2: Add ethernet hardware configuration Iyappan Subramanian 2017-01-31 19:03 ` [PATCH net-next 4/6] drivers: net: xgene-v2: Add base driver Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian 2017-01-31 20:01 ` Andrew Lunn 2017-01-31 20:01 ` Andrew Lunn 2017-02-27 4:33 ` Iyappan Subramanian 2017-02-27 4:33 ` Iyappan Subramanian 2017-01-31 20:31 ` Florian Fainelli 2017-01-31 20:31 ` Florian Fainelli 2017-02-27 5:05 ` Iyappan Subramanian 2017-02-27 5:05 ` Iyappan Subramanian 2017-01-31 19:03 ` [PATCH net-next 5/6] drivers: net: xgene-v2: Add transmit and receive Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian 2017-01-31 20:33 ` Florian Fainelli 2017-01-31 20:33 ` Florian Fainelli 2017-02-01 11:09 ` David Laight 2017-02-01 11:09 ` David Laight 2017-02-27 5:11 ` Iyappan Subramanian 2017-02-27 5:11 ` Iyappan Subramanian 2017-02-27 5:08 ` Iyappan Subramanian 2017-02-27 5:08 ` Iyappan Subramanian 2017-01-31 20:44 ` kbuild test robot 2017-01-31 20:49 ` kbuild test robot 2017-01-31 20:49 ` kbuild test robot 2017-01-31 19:03 ` [PATCH net-next 6/6] MAINTAINERS: Add entry for APM X-Gene SoC Ethernet (v2) driver Iyappan Subramanian 2017-01-31 19:03 ` Iyappan Subramanian 2017-01-31 20:06 ` [PATCH net-next 0/6] drivers: net: xgene-v2: Add RGMII based 1G driver Andrew Lunn 2017-01-31 20:06 ` Andrew Lunn
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