* SuperH Ethernet device driver
*
* Copyright (C) 2006-2008 Nobuhiro Iwamatsu
- * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (C) 2008-2009 Renesas Solutions Corp.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
#include <linux/phy.h>
#include <linux/cache.h>
#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <asm/cacheflush.h>
#include "sh_eth.h"
+/* There is CPU dependent code */
+#if defined(CONFIG_CPU_SUBTYPE_SH7724)
+#define SH_ETH_RESET_DEFAULT 1
+static void sh_eth_set_duplex(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ u32 ioaddr = ndev->base_addr;
+
+ if (mdp->duplex) /* Full */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM, ioaddr + ECMR);
+ else /* Half */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM, ioaddr + ECMR);
+}
+
+static void sh_eth_set_rate(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ u32 ioaddr = ndev->base_addr;
+
+ switch (mdp->speed) {
+ case 10: /* 10BASE */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_RTM, ioaddr + ECMR);
+ break;
+ case 100:/* 100BASE */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_RTM, ioaddr + ECMR);
+ break;
+ default:
+ break;
+ }
+}
+
+/* SH7724 */
+static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
+ .set_duplex = sh_eth_set_duplex,
+ .set_rate = sh_eth_set_rate,
+
+ .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD,
+ .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP,
+ .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x01ff009f,
+
+ .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO,
+ .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE |
+ EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI,
+ .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE,
+
+ .apr = 1,
+ .mpr = 1,
+ .tpauser = 1,
+ .hw_swap = 1,
+ .rpadir = 1,
+ .rpadir_value = 0x00020000, /* NET_IP_ALIGN assumed to be 2 */
+};
+
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
+#define SH_ETH_HAS_TSU 1
+static void sh_eth_chip_reset(struct net_device *ndev)
+{
+ /* reset device */
+ ctrl_outl(ARSTR_ARSTR, ARSTR);
+ mdelay(1);
+}
+
+static void sh_eth_reset(struct net_device *ndev)
+{
+ u32 ioaddr = ndev->base_addr;
+ int cnt = 100;
+
+ ctrl_outl(EDSR_ENALL, ioaddr + EDSR);
+ ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR);
+ while (cnt > 0) {
+ if (!(ctrl_inl(ioaddr + EDMR) & 0x3))
+ break;
+ mdelay(1);
+ cnt--;
+ }
+ if (cnt == 0)
+ printk(KERN_ERR "Device reset fail\n");
+
+ /* Table Init */
+ ctrl_outl(0x0, ioaddr + TDLAR);
+ ctrl_outl(0x0, ioaddr + TDFAR);
+ ctrl_outl(0x0, ioaddr + TDFXR);
+ ctrl_outl(0x0, ioaddr + TDFFR);
+ ctrl_outl(0x0, ioaddr + RDLAR);
+ ctrl_outl(0x0, ioaddr + RDFAR);
+ ctrl_outl(0x0, ioaddr + RDFXR);
+ ctrl_outl(0x0, ioaddr + RDFFR);
+}
+
+static void sh_eth_set_duplex(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ u32 ioaddr = ndev->base_addr;
+
+ if (mdp->duplex) /* Full */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM, ioaddr + ECMR);
+ else /* Half */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM, ioaddr + ECMR);
+}
+
+static void sh_eth_set_rate(struct net_device *ndev)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ u32 ioaddr = ndev->base_addr;
+
+ switch (mdp->speed) {
+ case 10: /* 10BASE */
+ ctrl_outl(GECMR_10, ioaddr + GECMR);
+ break;
+ case 100:/* 100BASE */
+ ctrl_outl(GECMR_100, ioaddr + GECMR);
+ break;
+ case 1000: /* 1000BASE */
+ ctrl_outl(GECMR_1000, ioaddr + GECMR);
+ break;
+ default:
+ break;
+ }
+}
+
+/* sh7763 */
+static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
+ .chip_reset = sh_eth_chip_reset,
+ .set_duplex = sh_eth_set_duplex,
+ .set_rate = sh_eth_set_rate,
+
+ .ecsr_value = ECSR_ICD | ECSR_MPD,
+ .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP,
+ .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
+
+ .tx_check = EESR_TC1 | EESR_FTC,
+ .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \
+ EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \
+ EESR_ECI,
+ .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \
+ EESR_TFE,
+
+ .apr = 1,
+ .mpr = 1,
+ .tpauser = 1,
+ .bculr = 1,
+ .hw_swap = 1,
+ .no_trimd = 1,
+ .no_ade = 1,
+};
+
+#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+#define SH_ETH_RESET_DEFAULT 1
+static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
+ .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
+
+ .apr = 1,
+ .mpr = 1,
+ .tpauser = 1,
+ .hw_swap = 1,
+};
+#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
+#define SH_ETH_RESET_DEFAULT 1
+#define SH_ETH_HAS_TSU 1
+static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
+ .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
+};
+#endif
+
+static void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd)
+{
+ if (!cd->ecsr_value)
+ cd->ecsr_value = DEFAULT_ECSR_INIT;
+
+ if (!cd->ecsipr_value)
+ cd->ecsipr_value = DEFAULT_ECSIPR_INIT;
+
+ if (!cd->fcftr_value)
+ cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \
+ DEFAULT_FIFO_F_D_RFD;
+
+ if (!cd->fdr_value)
+ cd->fdr_value = DEFAULT_FDR_INIT;
+
+ if (!cd->rmcr_value)
+ cd->rmcr_value = DEFAULT_RMCR_VALUE;
+
+ if (!cd->tx_check)
+ cd->tx_check = DEFAULT_TX_CHECK;
+
+ if (!cd->eesr_err_check)
+ cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK;
+
+ if (!cd->tx_error_check)
+ cd->tx_error_check = DEFAULT_TX_ERROR_CHECK;
+}
+
+#if defined(SH_ETH_RESET_DEFAULT)
+/* Chip Reset */
+static void sh_eth_reset(struct net_device *ndev)
+{
+ u32 ioaddr = ndev->base_addr;
+
+ ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR);
+ mdelay(3);
+ ctrl_outl(ctrl_inl(ioaddr + EDMR) & ~EDMR_SRST, ioaddr + EDMR);
+}
+#endif
+
+#if defined(CONFIG_CPU_SH4)
+static void sh_eth_set_receive_align(struct sk_buff *skb)
+{
+ int reserve;
+
+ reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1));
+ if (reserve)
+ skb_reserve(skb, reserve);
+}
+#else
+static void sh_eth_set_receive_align(struct sk_buff *skb)
+{
+ skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN);
+}
+#endif
+
+
/* CPU <-> EDMAC endian convert */
static inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x)
{
* When you want use this device, you must set MAC address in bootloader.
*
*/
-static void read_mac_address(struct net_device *ndev)
+static void read_mac_address(struct net_device *ndev, unsigned char *mac)
{
u32 ioaddr = ndev->base_addr;
- ndev->dev_addr[0] = (ctrl_inl(ioaddr + MAHR) >> 24);
- ndev->dev_addr[1] = (ctrl_inl(ioaddr + MAHR) >> 16) & 0xFF;
- ndev->dev_addr[2] = (ctrl_inl(ioaddr + MAHR) >> 8) & 0xFF;
- ndev->dev_addr[3] = (ctrl_inl(ioaddr + MAHR) & 0xFF);
- ndev->dev_addr[4] = (ctrl_inl(ioaddr + MALR) >> 8) & 0xFF;
- ndev->dev_addr[5] = (ctrl_inl(ioaddr + MALR) & 0xFF);
+ if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) {
+ memcpy(ndev->dev_addr, mac, 6);
+ } else {
+ ndev->dev_addr[0] = (ctrl_inl(ioaddr + MAHR) >> 24);
+ ndev->dev_addr[1] = (ctrl_inl(ioaddr + MAHR) >> 16) & 0xFF;
+ ndev->dev_addr[2] = (ctrl_inl(ioaddr + MAHR) >> 8) & 0xFF;
+ ndev->dev_addr[3] = (ctrl_inl(ioaddr + MAHR) & 0xFF);
+ ndev->dev_addr[4] = (ctrl_inl(ioaddr + MALR) >> 8) & 0xFF;
+ ndev->dev_addr[5] = (ctrl_inl(ioaddr + MALR) & 0xFF);
+ }
}
struct bb_info {
.get_mdio_data = sh_get_mdio,
};
-/* Chip Reset */
-static void sh_eth_reset(struct net_device *ndev)
-{
- u32 ioaddr = ndev->base_addr;
-
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- int cnt = 100;
-
- ctrl_outl(EDSR_ENALL, ioaddr + EDSR);
- ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR);
- while (cnt > 0) {
- if (!(ctrl_inl(ioaddr + EDMR) & 0x3))
- break;
- mdelay(1);
- cnt--;
- }
- if (cnt < 0)
- printk(KERN_ERR "Device reset fail\n");
-
- /* Table Init */
- ctrl_outl(0x0, ioaddr + TDLAR);
- ctrl_outl(0x0, ioaddr + TDFAR);
- ctrl_outl(0x0, ioaddr + TDFXR);
- ctrl_outl(0x0, ioaddr + TDFFR);
- ctrl_outl(0x0, ioaddr + RDLAR);
- ctrl_outl(0x0, ioaddr + RDFAR);
- ctrl_outl(0x0, ioaddr + RDFXR);
- ctrl_outl(0x0, ioaddr + RDFFR);
-#else
- ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR);
- mdelay(3);
- ctrl_outl(ctrl_inl(ioaddr + EDMR) & ~EDMR_SRST, ioaddr + EDMR);
-#endif
-}
-
/* free skb and descriptor buffer */
static void sh_eth_ring_free(struct net_device *ndev)
{
/* format skb and descriptor buffer */
static void sh_eth_ring_format(struct net_device *ndev)
{
- u32 ioaddr = ndev->base_addr, reserve = 0;
+ u32 ioaddr = ndev->base_addr;
struct sh_eth_private *mdp = netdev_priv(ndev);
int i;
struct sk_buff *skb;
dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz,
DMA_FROM_DEVICE);
skb->dev = ndev; /* Mark as being used by this device. */
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- reserve = SH7763_SKB_ALIGN
- - ((uint32_t)skb->data & (SH7763_SKB_ALIGN-1));
- if (reserve)
- skb_reserve(skb, reserve);
-#else
- skb_reserve(skb, RX_OFFSET);
-#endif
+ sh_eth_set_receive_align(skb);
+
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
- rxdesc->addr = (u32)skb->data & ~0x3UL;
+ rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP);
/* The size of the buffer is 16 byte boundary. */
- rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F;
+ rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
/* Rx descriptor address set */
if (i == 0) {
- ctrl_outl((u32)rxdesc, ioaddr + RDLAR);
+ ctrl_outl(mdp->rx_desc_dma, ioaddr + RDLAR);
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl((u32)rxdesc, ioaddr + RDFAR);
+ ctrl_outl(mdp->rx_desc_dma, ioaddr + RDFAR);
#endif
}
}
- /* Rx descriptor address set */
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl((u32)rxdesc, ioaddr + RDFXR);
- ctrl_outl(0x1, ioaddr + RDFFR);
-#endif
-
mdp->dirty_rx = (u32) (i - RX_RING_SIZE);
/* Mark the last entry as wrapping the ring. */
txdesc->buffer_length = 0;
if (i == 0) {
/* Tx descriptor address set */
- ctrl_outl((u32)txdesc, ioaddr + TDLAR);
+ ctrl_outl(mdp->tx_desc_dma, ioaddr + TDLAR);
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl((u32)txdesc, ioaddr + TDFAR);
+ ctrl_outl(mdp->tx_desc_dma, ioaddr + TDFAR);
#endif
}
}
- /* Tx descriptor address set */
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl((u32)txdesc, ioaddr + TDFXR);
- ctrl_outl(0x1, ioaddr + TDFFR);
-#endif
-
txdesc->status |= cpu_to_edmac(mdp, TD_TDLE);
}
*/
mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ :
(((ndev->mtu + 26 + 7) & ~7) + 2 + 16));
+ if (mdp->cd->rpadir)
+ mdp->rx_buf_sz += NET_IP_ALIGN;
/* Allocate RX and TX skb rings */
mdp->rx_skbuff = kmalloc(sizeof(*mdp->rx_skbuff) * RX_RING_SIZE,
GFP_KERNEL);
if (!mdp->rx_skbuff) {
- printk(KERN_ERR "%s: Cannot allocate Rx skb\n", ndev->name);
+ dev_err(&ndev->dev, "Cannot allocate Rx skb\n");
ret = -ENOMEM;
return ret;
}
mdp->tx_skbuff = kmalloc(sizeof(*mdp->tx_skbuff) * TX_RING_SIZE,
GFP_KERNEL);
if (!mdp->tx_skbuff) {
- printk(KERN_ERR "%s: Cannot allocate Tx skb\n", ndev->name);
+ dev_err(&ndev->dev, "Cannot allocate Tx skb\n");
ret = -ENOMEM;
goto skb_ring_free;
}
GFP_KERNEL);
if (!mdp->rx_ring) {
- printk(KERN_ERR "%s: Cannot allocate Rx Ring (size %d bytes)\n",
- ndev->name, rx_ringsize);
+ dev_err(&ndev->dev, "Cannot allocate Rx Ring (size %d bytes)\n",
+ rx_ringsize);
ret = -ENOMEM;
goto desc_ring_free;
}
mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma,
GFP_KERNEL);
if (!mdp->tx_ring) {
- printk(KERN_ERR "%s: Cannot allocate Tx Ring (size %d bytes)\n",
- ndev->name, tx_ringsize);
+ dev_err(&ndev->dev, "Cannot allocate Tx Ring (size %d bytes)\n",
+ tx_ringsize);
ret = -ENOMEM;
goto desc_ring_free;
}
/* Descriptor format */
sh_eth_ring_format(ndev);
- ctrl_outl(RPADIR_INIT, ioaddr + RPADIR);
+ if (mdp->cd->rpadir)
+ ctrl_outl(mdp->cd->rpadir_value, ioaddr + RPADIR);
/* all sh_eth int mask */
ctrl_outl(0, ioaddr + EESIPR);
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl(EDMR_EL, ioaddr + EDMR);
-#else
- ctrl_outl(0, ioaddr + EDMR); /* Endian change */
+#if defined(__LITTLE_ENDIAN__)
+ if (mdp->cd->hw_swap)
+ ctrl_outl(EDMR_EL, ioaddr + EDMR);
+ else
#endif
+ ctrl_outl(0, ioaddr + EDMR);
/* FIFO size set */
- ctrl_outl((FIFO_SIZE_T | FIFO_SIZE_R), ioaddr + FDR);
+ ctrl_outl(mdp->cd->fdr_value, ioaddr + FDR);
ctrl_outl(0, ioaddr + TFTR);
/* Frame recv control */
- ctrl_outl(0, ioaddr + RMCR);
+ ctrl_outl(mdp->cd->rmcr_value, ioaddr + RMCR);
rx_int_var = mdp->rx_int_var = DESC_I_RINT8 | DESC_I_RINT5;
tx_int_var = mdp->tx_int_var = DESC_I_TINT2;
ctrl_outl(rx_int_var | tx_int_var, ioaddr + TRSCER);
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- /* Burst sycle set */
- ctrl_outl(0x800, ioaddr + BCULR);
-#endif
+ if (mdp->cd->bculr)
+ ctrl_outl(0x800, ioaddr + BCULR); /* Burst sycle set */
- ctrl_outl((FIFO_F_D_RFF | FIFO_F_D_RFD), ioaddr + FCFTR);
+ ctrl_outl(mdp->cd->fcftr_value, ioaddr + FCFTR);
-#if !defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl(0, ioaddr + TRIMD);
-#endif
+ if (!mdp->cd->no_trimd)
+ ctrl_outl(0, ioaddr + TRIMD);
/* Recv frame limit set register */
ctrl_outl(RFLR_VALUE, ioaddr + RFLR);
ctrl_outl(ctrl_inl(ioaddr + EESR), ioaddr + EESR);
- ctrl_outl((DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff), ioaddr + EESIPR);
+ ctrl_outl(mdp->cd->eesipr_value, ioaddr + EESIPR);
/* PAUSE Prohibition */
val = (ctrl_inl(ioaddr + ECMR) & ECMR_DM) |
ctrl_outl(val, ioaddr + ECMR);
+ if (mdp->cd->set_rate)
+ mdp->cd->set_rate(ndev);
+
/* E-MAC Status Register clear */
- ctrl_outl(ECSR_INIT, ioaddr + ECSR);
+ ctrl_outl(mdp->cd->ecsr_value, ioaddr + ECSR);
/* E-MAC Interrupt Enable register */
- ctrl_outl(ECSIPR_INIT, ioaddr + ECSIPR);
+ ctrl_outl(mdp->cd->ecsipr_value, ioaddr + ECSIPR);
/* Set MAC address */
update_mac_address(ndev);
/* mask reset */
-#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7763)
- ctrl_outl(APR_AP, ioaddr + APR);
- ctrl_outl(MPR_MP, ioaddr + MPR);
- ctrl_outl(TPAUSER_UNLIMITED, ioaddr + TPAUSER);
-#endif
-#if defined(CONFIG_CPU_SUBTYPE_SH7710)
- ctrl_outl(BCFR_UNLIMITED, ioaddr + BCFR);
-#endif
+ if (mdp->cd->apr)
+ ctrl_outl(APR_AP, ioaddr + APR);
+ if (mdp->cd->mpr)
+ ctrl_outl(MPR_MP, ioaddr + MPR);
+ if (mdp->cd->tpauser)
+ ctrl_outl(TPAUSER_UNLIMITED, ioaddr + TPAUSER);
/* Setting the Rx mode will start the Rx process. */
ctrl_outl(EDRRR_R, ioaddr + EDRRR);
int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx;
struct sk_buff *skb;
u16 pkt_len = 0;
- u32 desc_status, reserve = 0;
+ u32 desc_status;
rxdesc = &mdp->rx_ring[entry];
while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
if (desc_status & RD_RFS10)
mdp->stats.rx_over_errors++;
} else {
- swaps((char *)(rxdesc->addr & ~0x3), pkt_len + 2);
+ if (!mdp->cd->hw_swap)
+ sh_eth_soft_swap(
+ phys_to_virt(ALIGN(rxdesc->addr, 4)),
+ pkt_len + 2);
skb = mdp->rx_skbuff[entry];
mdp->rx_skbuff[entry] = NULL;
+ if (mdp->cd->rpadir)
+ skb_reserve(skb, NET_IP_ALIGN);
skb_put(skb, pkt_len);
skb->protocol = eth_type_trans(skb, ndev);
netif_rx(skb);
}
rxdesc->status |= cpu_to_edmac(mdp, RD_RACT);
entry = (++mdp->cur_rx) % RX_RING_SIZE;
+ rxdesc = &mdp->rx_ring[entry];
}
/* Refill the Rx ring buffers. */
entry = mdp->dirty_rx % RX_RING_SIZE;
rxdesc = &mdp->rx_ring[entry];
/* The size of the buffer is 16 byte boundary. */
- rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F;
+ rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
if (mdp->rx_skbuff[entry] == NULL) {
skb = dev_alloc_skb(mdp->rx_buf_sz);
dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz,
DMA_FROM_DEVICE);
skb->dev = ndev;
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- reserve = SH7763_SKB_ALIGN
- - ((uint32_t)skb->data & (SH7763_SKB_ALIGN-1));
- if (reserve)
- skb_reserve(skb, reserve);
-#else
- skb_reserve(skb, RX_OFFSET);
-#endif
+ sh_eth_set_receive_align(skb);
+
skb->ip_summed = CHECKSUM_NONE;
- rxdesc->addr = (u32)skb->data & ~0x3UL;
+ rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
}
if (entry >= RX_RING_SIZE - 1)
rxdesc->status |=
struct sh_eth_private *mdp = netdev_priv(ndev);
u32 ioaddr = ndev->base_addr;
u32 felic_stat;
+ u32 link_stat;
+ u32 mask;
if (intr_status & EESR_ECI) {
felic_stat = ctrl_inl(ioaddr + ECSR);
mdp->stats.tx_carrier_errors++;
if (felic_stat & ECSR_LCHNG) {
/* Link Changed */
- u32 link_stat = (ctrl_inl(ioaddr + PSR));
+ if (mdp->cd->no_psr || mdp->no_ether_link) {
+ if (mdp->link == PHY_DOWN)
+ link_stat = 0;
+ else
+ link_stat = PHY_ST_LINK;
+ } else {
+ link_stat = (ctrl_inl(ioaddr + PSR));
+ if (mdp->ether_link_active_low)
+ link_stat = ~link_stat;
+ }
if (!(link_stat & PHY_ST_LINK)) {
/* Link Down : disable tx and rx */
ctrl_outl(ctrl_inl(ioaddr + ECMR) &
if (intr_status & EESR_RFRMER) {
/* Receive Frame Overflow int */
mdp->stats.rx_frame_errors++;
- printk(KERN_ERR "Receive Frame Overflow\n");
+ dev_err(&ndev->dev, "Receive Frame Overflow\n");
}
}
-#if !defined(CONFIG_CPU_SUBTYPE_SH7763)
- if (intr_status & EESR_ADE) {
- if (intr_status & EESR_TDE) {
- if (intr_status & EESR_TFE)
- mdp->stats.tx_fifo_errors++;
- }
+
+ if (!mdp->cd->no_ade) {
+ if (intr_status & EESR_ADE && intr_status & EESR_TDE &&
+ intr_status & EESR_TFE)
+ mdp->stats.tx_fifo_errors++;
}
-#endif
if (intr_status & EESR_RDE) {
/* Receive Descriptor Empty int */
if (ctrl_inl(ioaddr + EDRRR) ^ EDRRR_R)
ctrl_outl(EDRRR_R, ioaddr + EDRRR);
- printk(KERN_ERR "Receive Descriptor Empty\n");
+ dev_err(&ndev->dev, "Receive Descriptor Empty\n");
}
if (intr_status & EESR_RFE) {
/* Receive FIFO Overflow int */
mdp->stats.rx_fifo_errors++;
- printk(KERN_ERR "Receive FIFO Overflow\n");
+ dev_err(&ndev->dev, "Receive FIFO Overflow\n");
}
- if (intr_status & (EESR_TWB | EESR_TABT |
-#if !defined(CONFIG_CPU_SUBTYPE_SH7763)
- EESR_ADE |
-#endif
- EESR_TDE | EESR_TFE)) {
+
+ mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE;
+ if (mdp->cd->no_ade)
+ mask &= ~EESR_ADE;
+ if (intr_status & mask) {
/* Tx error */
u32 edtrr = ctrl_inl(ndev->base_addr + EDTRR);
/* dmesg */
- printk(KERN_ERR "%s:TX error. status=%8.8x cur_tx=%8.8x ",
- ndev->name, intr_status, mdp->cur_tx);
- printk(KERN_ERR "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n",
+ dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ",
+ intr_status, mdp->cur_tx);
+ dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n",
mdp->dirty_tx, (u32) ndev->state, edtrr);
/* dirty buffer free */
sh_eth_txfree(ndev);
{
struct net_device *ndev = netdev;
struct sh_eth_private *mdp = netdev_priv(ndev);
+ struct sh_eth_cpu_data *cd = mdp->cd;
irqreturn_t ret = IRQ_NONE;
- u32 ioaddr, boguscnt = RX_RING_SIZE;
- u32 intr_status = 0;
+ u32 ioaddr, intr_status = 0;
ioaddr = ndev->base_addr;
spin_lock(&mdp->lock);
/* Clear interrupt */
if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF |
EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF |
- TX_CHECK | EESR_ERR_CHECK)) {
+ cd->tx_check | cd->eesr_err_check)) {
ctrl_outl(intr_status, ioaddr + EESR);
ret = IRQ_HANDLED;
} else
}
/* Tx Check */
- if (intr_status & TX_CHECK) {
+ if (intr_status & cd->tx_check) {
sh_eth_txfree(ndev);
netif_wake_queue(ndev);
}
- if (intr_status & EESR_ERR_CHECK)
+ if (intr_status & cd->eesr_err_check)
sh_eth_error(ndev, intr_status);
- if (--boguscnt < 0) {
- printk(KERN_WARNING
- "%s: Too much work at interrupt, status=0x%4.4x.\n",
- ndev->name, intr_status);
- }
-
other_irq:
spin_unlock(&mdp->lock);
if (phydev->duplex != mdp->duplex) {
new_state = 1;
mdp->duplex = phydev->duplex;
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- if (mdp->duplex) { /* FULL */
- ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM,
- ioaddr + ECMR);
- } else { /* Half */
- ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM,
- ioaddr + ECMR);
- }
-#endif
+ if (mdp->cd->set_duplex)
+ mdp->cd->set_duplex(ndev);
}
if (phydev->speed != mdp->speed) {
new_state = 1;
mdp->speed = phydev->speed;
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
- switch (mdp->speed) {
- case 10: /* 10BASE */
- ctrl_outl(GECMR_10, ioaddr + GECMR); break;
- case 100:/* 100BASE */
- ctrl_outl(GECMR_100, ioaddr + GECMR); break;
- case 1000: /* 1000BASE */
- ctrl_outl(GECMR_1000, ioaddr + GECMR); break;
- default:
- break;
- }
-#endif
+ if (mdp->cd->set_rate)
+ mdp->cd->set_rate(ndev);
}
if (mdp->link == PHY_DOWN) {
ctrl_outl((ctrl_inl(ioaddr + ECMR) & ~ECMR_TXF)
static int sh_eth_phy_init(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- char phy_id[BUS_ID_SIZE];
+ char phy_id[MII_BUS_ID_SIZE + 3];
struct phy_device *phydev = NULL;
snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
dev_err(&ndev->dev, "phy_connect failed\n");
return PTR_ERR(phydev);
}
+
dev_info(&ndev->dev, "attached phy %i to driver %s\n",
- phydev->addr, phydev->drv->name);
+ phydev->addr, phydev->drv->name);
mdp->phydev = phydev;
int ret = 0;
struct sh_eth_private *mdp = netdev_priv(ndev);
- ret = request_irq(ndev->irq, &sh_eth_interrupt,
+ pm_runtime_get_sync(&mdp->pdev->dev);
+
+ ret = request_irq(ndev->irq, sh_eth_interrupt,
#if defined(CONFIG_CPU_SUBTYPE_SH7763) || defined(CONFIG_CPU_SUBTYPE_SH7764)
IRQF_SHARED,
#else
#endif
ndev->name, ndev);
if (ret) {
- printk(KERN_ERR "Can not assign IRQ number to %s\n", CARDNAME);
+ dev_err(&ndev->dev, "Can not assign IRQ number\n");
return ret;
}
out_free_irq:
free_irq(ndev->irq, ndev);
+ pm_runtime_put_sync(&mdp->pdev->dev);
return ret;
}
if (!sh_eth_txfree(ndev)) {
netif_stop_queue(ndev);
spin_unlock_irqrestore(&mdp->lock, flags);
- return 1;
+ return NETDEV_TX_BUSY;
}
}
spin_unlock_irqrestore(&mdp->lock, flags);
entry = mdp->cur_tx % TX_RING_SIZE;
mdp->tx_skbuff[entry] = skb;
txdesc = &mdp->tx_ring[entry];
- txdesc->addr = (u32)(skb->data);
+ txdesc->addr = virt_to_phys(skb->data);
/* soft swap. */
- swaps((char *)(txdesc->addr & ~0x3), skb->len + 2);
+ if (!mdp->cd->hw_swap)
+ sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)),
+ skb->len + 2);
/* write back */
__flush_purge_region(skb->data, skb->len);
if (skb->len < ETHERSMALL)
ndev->trans_start = jiffies;
- return 0;
+ return NETDEV_TX_OK;
}
/* device close function */
ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE;
dma_free_coherent(NULL, ringsize, mdp->tx_ring, mdp->tx_desc_dma);
+ pm_runtime_put_sync(&mdp->pdev->dev);
+
return 0;
}
struct sh_eth_private *mdp = netdev_priv(ndev);
u32 ioaddr = ndev->base_addr;
+ pm_runtime_get_sync(&mdp->pdev->dev);
+
mdp->stats.tx_dropped += ctrl_inl(ioaddr + TROCR);
ctrl_outl(0, ioaddr + TROCR); /* (write clear) */
mdp->stats.collisions += ctrl_inl(ioaddr + CDCR);
mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + CNDCR);
ctrl_outl(0, ioaddr + CNDCR); /* (write clear) */
#endif
+ pm_runtime_put_sync(&mdp->pdev->dev);
+
return &mdp->stats;
}
return phy_mii_ioctl(phydev, if_mii(rq), cmd);
}
-
+#if defined(SH_ETH_HAS_TSU)
/* Multicast reception directions set */
static void sh_eth_set_multicast_list(struct net_device *ndev)
{
ctrl_outl(0, ioaddr + TSU_POST3); /* Disable CAM entry [16-23] */
ctrl_outl(0, ioaddr + TSU_POST4); /* Disable CAM entry [24-31] */
}
+#endif /* SH_ETH_HAS_TSU */
/* MDIO bus release function */
static int sh_mdio_release(struct net_device *ndev)
.ndo_stop = sh_eth_close,
.ndo_start_xmit = sh_eth_start_xmit,
.ndo_get_stats = sh_eth_get_stats,
+#if defined(SH_ETH_HAS_TSU)
.ndo_set_multicast_list = sh_eth_set_multicast_list,
+#endif
.ndo_tx_timeout = sh_eth_tx_timeout,
.ndo_do_ioctl = sh_eth_do_ioctl,
.ndo_validate_addr = eth_validate_addr,
ndev = alloc_etherdev(sizeof(struct sh_eth_private));
if (!ndev) {
- printk(KERN_ERR "%s: could not allocate device.\n", CARDNAME);
+ dev_err(&pdev->dev, "Could not allocate device.\n");
ret = -ENOMEM;
goto out;
}
mdp = netdev_priv(ndev);
spin_lock_init(&mdp->lock);
+ mdp->pdev = pdev;
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_resume(&pdev->dev);
pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data);
/* get PHY ID */
mdp->phy_id = pd->phy;
/* EDMAC endian */
mdp->edmac_endian = pd->edmac_endian;
+ mdp->no_ether_link = pd->no_ether_link;
+ mdp->ether_link_active_low = pd->ether_link_active_low;
+
+ /* set cpu data */
+ mdp->cd = &sh_eth_my_cpu_data;
+ sh_eth_set_default_cpu_data(mdp->cd);
/* set function */
ndev->netdev_ops = &sh_eth_netdev_ops;
mdp->post_fw = POST_FW >> (devno << 1);
/* read and set MAC address */
- read_mac_address(ndev);
+ read_mac_address(ndev, pd->mac_addr);
/* First device only init */
if (!devno) {
-#if defined(ARSTR)
- /* reset device */
- ctrl_outl(ARSTR_ARSTR, ARSTR);
- mdelay(1);
-#endif
+ if (mdp->cd->chip_reset)
+ mdp->cd->chip_reset(ndev);
-#if defined(SH_TSU_ADDR)
+#if defined(SH_ETH_HAS_TSU)
/* TSU init (Init only)*/
sh_eth_tsu_init(SH_TSU_ADDR);
#endif
if (ret)
goto out_unregister;
- /* pritnt device infomation */
- printk(KERN_INFO "%s: %s at 0x%x, ",
- ndev->name, CARDNAME, (u32) ndev->base_addr);
-
- for (i = 0; i < 5; i++)
- printk("%02X:", ndev->dev_addr[i]);
- printk("%02X, IRQ %d.\n", ndev->dev_addr[i], ndev->irq);
+ /* print device infomation */
+ pr_info("Base address at 0x%x, %pM, IRQ %d.\n",
+ (u32)ndev->base_addr, ndev->dev_addr, ndev->irq);
platform_set_drvdata(pdev, ndev);
sh_mdio_release(ndev);
unregister_netdev(ndev);
flush_scheduled_work();
-
+ pm_runtime_disable(&pdev->dev);
free_netdev(ndev);
platform_set_drvdata(pdev, NULL);
return 0;
}
+static int sh_eth_runtime_nop(struct device *dev)
+{
+ /*
+ * Runtime PM callback shared between ->runtime_suspend()
+ * and ->runtime_resume(). Simply returns success.
+ *
+ * This driver re-initializes all registers after
+ * pm_runtime_get_sync() anyway so there is no need
+ * to save and restore registers here.
+ */
+ return 0;
+}
+
+static struct dev_pm_ops sh_eth_dev_pm_ops = {
+ .runtime_suspend = sh_eth_runtime_nop,
+ .runtime_resume = sh_eth_runtime_nop,
+};
+
static struct platform_driver sh_eth_driver = {
.probe = sh_eth_drv_probe,
.remove = sh_eth_drv_remove,
.driver = {
.name = CARDNAME,
+ .pm = &sh_eth_dev_pm_ops,
},
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff