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net: sh_eth: remove almost #ifdef of SH7763

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The SH7763 has GETHER. So the specification of some registers differs than
other CPUs. This patch removes almost #ifdef of CONFIG_CPU_SUBTYPE_SH7763.
Then we are able to add other CPU's GETHER easily.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yoshihiro Shimoda 2011-03-07 21:59:38 +00:00 committed by David S. Miller
parent 4986b99688
commit c5ed53687b
2 changed files with 47 additions and 39 deletions
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72
drivers/net/sh_eth.c
View file

@ -157,7 +157,7 @@ static void sh_eth_reset(struct net_device *ndev)
int cnt = 100;
sh_eth_write(ndev, EDSR_ENALL, EDSR);
sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST, EDMR);
sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR);
while (cnt > 0) {
if (!(sh_eth_read(ndev, EDMR) & 0x3))
break;
@ -285,9 +285,9 @@ static void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd)
/* Chip Reset */
static void sh_eth_reset(struct net_device *ndev)
{
sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST, EDMR);
sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, EDMR);
mdelay(3);
sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST, EDMR);
sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, EDMR);
}
#endif
@ -365,6 +365,22 @@ static void read_mac_address(struct net_device *ndev, unsigned char *mac)
}
}
static int sh_eth_is_gether(struct sh_eth_private *mdp)
{
if (mdp->reg_offset == sh_eth_offset_gigabit)
return 1;
else
return 0;
}
static unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp)
{
if (sh_eth_is_gether(mdp))
return EDTRR_TRNS_GETHER;
else
return EDTRR_TRNS_ETHER;
}
struct bb_info {
struct mdiobb_ctrl ctrl;
u32 addr;
@ -504,9 +520,8 @@ static void sh_eth_ring_format(struct net_device *ndev)
/* Rx descriptor address set */
if (i == 0) {
sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR);
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR);
#endif
if (sh_eth_is_gether(mdp))
sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR);
}
}
@ -526,9 +541,8 @@ static void sh_eth_ring_format(struct net_device *ndev)
if (i == 0) {
/* Tx descriptor address set */
sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR);
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR);
#endif
if (sh_eth_is_gether(mdp))
sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR);
}
}
@ -940,9 +954,9 @@ static void sh_eth_error(struct net_device *ndev, int intr_status)
sh_eth_txfree(ndev);
/* SH7712 BUG */
if (edtrr ^ EDTRR_TRNS) {
if (edtrr ^ sh_eth_get_edtrr_trns(mdp)) {
/* tx dma start */
sh_eth_write(ndev, EDTRR_TRNS, EDTRR);
sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR);
}
/* wakeup */
netif_wake_queue(ndev);
@ -1347,8 +1361,8 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
mdp->cur_tx++;
if (!(sh_eth_read(ndev, EDTRR) & EDTRR_TRNS))
sh_eth_write(ndev, EDTRR_TRNS, EDTRR);
if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp)))
sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR);
return NETDEV_TX_OK;
}
@ -1406,15 +1420,15 @@ static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
sh_eth_write(ndev, 0, CDCR); /* (write clear) */
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR);
sh_eth_write(ndev, 0, LCCR); /* (write clear) */
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);/* CERCR */
sh_eth_write(ndev, 0, CERCR); /* (write clear) */
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);/* CEECR */
sh_eth_write(ndev, 0, CEECR); /* (write clear) */
#else
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
sh_eth_write(ndev, 0, CNDCR); /* (write clear) */
#endif
if (sh_eth_is_gether(mdp)) {
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);
sh_eth_write(ndev, 0, CERCR); /* (write clear) */
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);
sh_eth_write(ndev, 0, CEECR); /* (write clear) */
} else {
mdp->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
sh_eth_write(ndev, 0, CNDCR); /* (write clear) */
}
pm_runtime_put_sync(&mdp->pdev->dev);
return &mdp->stats;
@ -1465,13 +1479,13 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp)
sh_eth_tsu_write(mdp, 0, TSU_FWSL0);
sh_eth_tsu_write(mdp, 0, TSU_FWSL1);
sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC);
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */
sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */
#else
sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */
sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */
#endif
if (sh_eth_is_gether(mdp)) {
sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */
sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */
} else {
sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */
sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */
}
sh_eth_tsu_write(mdp, 0, TSU_FWSR); /* all interrupt status clear */
sh_eth_tsu_write(mdp, 0, TSU_FWINMK); /* Disable all interrupt */
sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */

14
drivers/net/sh_eth.h
View file

@ -400,20 +400,14 @@ enum GECMR_BIT {
enum DMAC_M_BIT {
EDMR_EL = 0x40, /* Litte endian */
EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
#ifdef CONFIG_CPU_SUBTYPE_SH7763
EDMR_SRST = 0x03,
#else /* CONFIG_CPU_SUBTYPE_SH7763 */
EDMR_SRST = 0x01,
#endif
EDMR_SRST_GETHER = 0x03,
EDMR_SRST_ETHER = 0x01,
};
/* EDTRR */
enum DMAC_T_BIT {
#ifdef CONFIG_CPU_SUBTYPE_SH7763
EDTRR_TRNS = 0x03,
#else
EDTRR_TRNS = 0x01,
#endif
EDTRR_TRNS_GETHER = 0x03,
EDTRR_TRNS_ETHER = 0x01,
};
/* EDRRR*/