diff options
Diffstat (limited to 'drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c')
| -rw-r--r-- | drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c deleted file mode 100644 index 51c32194ba88..000000000000 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c +++ /dev/null @@ -1,91 +0,0 @@ -/* 10G controller driver for Samsung SoCs - * - * Copyright (C) 2013 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Author: Siva Reddy Kallam <siva.kallam@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/bitops.h> -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/phy.h> -#include "sxgbe_common.h" -#include "sxgbe_xpcs.h" - -static int sxgbe_xpcs_read(struct net_device *ndev, unsigned int reg) -{ - u32 value; - struct sxgbe_priv_data *priv = netdev_priv(ndev); - - value = readl(priv->ioaddr + XPCS_OFFSET + reg); - - return value; -} - -static int sxgbe_xpcs_write(struct net_device *ndev, int reg, int data) -{ - struct sxgbe_priv_data *priv = netdev_priv(ndev); - - writel(data, priv->ioaddr + XPCS_OFFSET + reg); - - return 0; -} - -int sxgbe_xpcs_init(struct net_device *ndev) -{ - u32 value; - - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - /* 10G XAUI mode */ - sxgbe_xpcs_write(ndev, SR_PCS_CONTROL2, XPCS_TYPE_SEL_X); - sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, XPCS_XAUI_MODE); - sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, value | BIT(13)); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value | BIT(11)); - - do { - value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); - } while ((value & XPCS_QSEQ_STATE_MPLLOFF) == XPCS_QSEQ_STATE_STABLE); - - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value & ~BIT(11)); - - do { - value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); - } while ((value & XPCS_QSEQ_STATE_MPLLOFF) != XPCS_QSEQ_STATE_STABLE); - - return 0; -} - -int sxgbe_xpcs_init_1G(struct net_device *ndev) -{ - int value; - - /* 10GBASE-X PCS (1G) mode */ - sxgbe_xpcs_write(ndev, SR_PCS_CONTROL2, XPCS_TYPE_SEL_X); - sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, XPCS_XAUI_MODE); - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value & ~BIT(13)); - - value = sxgbe_xpcs_read(ndev, SR_MII_MMD_CONTROL); - sxgbe_xpcs_write(ndev, SR_MII_MMD_CONTROL, value | BIT(6)); - sxgbe_xpcs_write(ndev, SR_MII_MMD_CONTROL, value & ~BIT(13)); - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value | BIT(11)); - - do { - value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); - } while ((value & XPCS_QSEQ_STATE_MPLLOFF) != XPCS_QSEQ_STATE_STABLE); - - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value & ~BIT(11)); - - /* Auto Negotiation cluase 37 enable */ - value = sxgbe_xpcs_read(ndev, SR_MII_MMD_CONTROL); - sxgbe_xpcs_write(ndev, SR_MII_MMD_CONTROL, value | BIT(12)); - - return 0; -} |