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Date: Thu, 31 Jul 2008 19:35:33 -0400
From: Yoshinori Sato <ysato@...rs.sourceforge.jp>
To: Jeff Garzik <jeff@...zik.org>,
Nobuhiro Iwamatsu <iwamatsu.nobuhiro@...esas.com>
Cc: netdev@...r.kernel.org, linux-sh@...r.kernel.org
Subject: [PATCH] sh_eth Add SH7619 support
SH7619 have same SH7710 ethernet controler.
Add support for sh_eth driver.
Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
---
drivers/net/Kconfig | 5 +++--
drivers/net/sh_eth.c | 34 ++++++++++++++++++----------------
drivers/net/sh_eth.h | 25 +++++++++++++++++++++++--
3 files changed, 44 insertions(+), 20 deletions(-)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 8a03875..1a6cf24 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -510,14 +510,15 @@ config STNIC
config SH_ETH
tristate "Renesas SuperH Ethernet support"
depends on SUPERH && \
- (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7763)
+ (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \
+ CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619)
select CRC32
select MII
select MDIO_BITBANG
select PHYLIB
help
Renesas SuperH Ethernet device driver.
- This driver support SH7710, SH7712 and SH7763.
+ This driver support SH7710, SH7712, SH7763 and SH7619.
config SUNLANCE
tristate "Sun LANCE support"
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 6a06b95..9661e2d 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -240,7 +240,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
rxdesc->addr = (u32)skb->data & ~0x3UL;
- rxdesc->status = cpu_to_le32(RD_RACT | RD_RFP);
+ rxdesc->status = cpu_to_edmac(RD_RACT | RD_RFP);
/* The size of the buffer is 16 byte boundary. */
rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F;
@@ -262,7 +262,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
mdp->dirty_rx = (u32) (i - RX_RING_SIZE);
/* Mark the last entry as wrapping the ring. */
- rxdesc->status |= cpu_to_le32(RD_RDEL);
+ rxdesc->status |= cpu_to_edmac(RD_RDEL);
memset(mdp->tx_ring, 0, tx_ringsize);
@@ -270,7 +270,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
for (i = 0; i < TX_RING_SIZE; i++) {
mdp->tx_skbuff[i] = NULL;
txdesc = &mdp->tx_ring[i];
- txdesc->status = cpu_to_le32(TD_TFP);
+ txdesc->status = cpu_to_edmac(TD_TFP);
txdesc->buffer_length = 0;
if (i == 0) {
/* Rx descriptor address set */
@@ -287,7 +287,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
ctrl_outl(0x1, ioaddr + TDFFR);
#endif
- txdesc->status |= cpu_to_le32(TD_TDLE);
+ txdesc->status |= cpu_to_edmac(TD_TDLE);
}
/* Get skb and descriptor buffer */
@@ -455,7 +455,7 @@ static int sh_eth_txfree(struct net_device *ndev)
for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) {
entry = mdp->dirty_tx % TX_RING_SIZE;
txdesc = &mdp->tx_ring[entry];
- if (txdesc->status & cpu_to_le32(TD_TACT))
+ if (txdesc->status & cpu_to_edmac(TD_TACT))
break;
/* Free the original skb. */
if (mdp->tx_skbuff[entry]) {
@@ -463,9 +463,9 @@ static int sh_eth_txfree(struct net_device *ndev)
mdp->tx_skbuff[entry] = NULL;
freeNum++;
}
- txdesc->status = cpu_to_le32(TD_TFP);
+ txdesc->status = cpu_to_edmac(TD_TFP);
if (entry >= TX_RING_SIZE - 1)
- txdesc->status |= cpu_to_le32(TD_TDLE);
+ txdesc->status |= cpu_to_edmac(TD_TDLE);
mdp->stats.tx_packets++;
mdp->stats.tx_bytes += txdesc->buffer_length;
@@ -486,8 +486,8 @@ static int sh_eth_rx(struct net_device *ndev)
u32 desc_status, reserve = 0;
rxdesc = &mdp->rx_ring[entry];
- while (!(rxdesc->status & cpu_to_le32(RD_RACT))) {
- desc_status = le32_to_cpu(rxdesc->status);
+ while (!(rxdesc->status & cpu_to_edmac(RD_RACT))) {
+ desc_status = edmac_to_cpu(rxdesc->status);
pkt_len = rxdesc->frame_length;
if (--boguscnt < 0)
@@ -522,7 +522,7 @@ static int sh_eth_rx(struct net_device *ndev)
mdp->stats.rx_packets++;
mdp->stats.rx_bytes += pkt_len;
}
- rxdesc->status |= cpu_to_le32(RD_RACT);
+ rxdesc->status |= cpu_to_edmac(RD_RACT);
entry = (++mdp->cur_rx) % RX_RING_SIZE;
}
@@ -552,10 +552,10 @@ static int sh_eth_rx(struct net_device *ndev)
}
if (entry >= RX_RING_SIZE - 1)
rxdesc->status |=
- cpu_to_le32(RD_RACT | RD_RFP | RD_RDEL);
+ cpu_to_edmac(RD_RACT | RD_RFP | RD_RDEL);
else
rxdesc->status |=
- cpu_to_le32(RD_RACT | RD_RFP);
+ cpu_to_edmac(RD_RACT | RD_RFP);
}
/* Restart Rx engine if stopped. */
@@ -931,9 +931,9 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
txdesc->buffer_length = skb->len;
if (entry >= TX_RING_SIZE - 1)
- txdesc->status |= cpu_to_le32(TD_TACT | TD_TDLE);
+ txdesc->status |= cpu_to_edmac(TD_TACT | TD_TDLE);
else
- txdesc->status |= cpu_to_le32(TD_TACT);
+ txdesc->status |= cpu_to_edmac(TD_TACT);
mdp->cur_tx++;
@@ -1217,12 +1217,14 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
/* First device only init */
if (!devno) {
+#if defined(SH_TSU_ADDR)
/* reset device */
ctrl_outl(ARSTR_ARSTR, ARSTR);
mdelay(1);
/* TSU init (Init only)*/
sh_eth_tsu_init(SH_TSU_ADDR);
+#endif
}
/* network device register */
@@ -1240,8 +1242,8 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
ndev->name, CARDNAME, (u32) ndev->base_addr);
for (i = 0; i < 5; i++)
- printk(KERN_INFO "%02X:", ndev->dev_addr[i]);
- printk(KERN_INFO "%02X, IRQ %d.\n", ndev->dev_addr[i], ndev->irq);
+ printk("%02X:", ndev->dev_addr[i]);
+ printk("%02X, IRQ %d.\n", ndev->dev_addr[i], ndev->irq);
platform_set_drvdata(pdev, ndev);
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index 45ad1b0..ca3cc5f 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -143,10 +143,11 @@
#else /* CONFIG_CPU_SUBTYPE_SH7763 */
# define RX_OFFSET 2 /* skb offset */
+#ifndef CONFIG_CPU_SUBTYPE_SH7619
/* Chip base address */
# define SH_TSU_ADDR 0xA7000804
# define ARSTR 0xA7000800
-
+#endif
/* Chip Registers */
/* E-DMAC */
# define EDMR 0x0000
@@ -384,7 +385,11 @@ enum FCFTR_BIT {
FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
};
#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0)
+#ifndef CONFIG_CPU_SUBTYPE_SH7619
#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0)
+#else
+#define FIFO_F_D_RFD (FCFTR_RFD0)
+#endif
/* Transfer descriptor bit */
enum TD_STS_BIT {
@@ -411,9 +416,11 @@ enum FELIC_MODE_BIT {
ECMR_PRM = 0x00000001,
};
-#ifdef CONFIG_CPU_SUBTYPE_SH7763
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
#define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF |\
ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR ECMR_RXF | ECMR_TXF)
#else
#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR ECMR_RXF | ECMR_TXF | ECMR_MCT)
#endif
@@ -485,7 +492,11 @@ enum RPADIR_BIT {
/* FDR */
enum FIFO_SIZE_BIT {
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
+ FIFO_SIZE_T = 0x00000100, FIFO_SIZE_R = 0x00000001,
+#else
FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
+#endif
};
enum phy_offsets {
PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3,
@@ -663,4 +674,14 @@ static void swaps(char *src, int len)
#endif
}
#endif /* CONFIG_CPU_SUBTYPE_SH7763 */
+
+/* CPU endian from/to EDMAC endian */
+#if !defined(CONFIG_CPU_SUBTYPE_SH7619)
+#define cpu_to_edmac(x) cpu_to_le32(x)
+#define edmac_to_cpu(x) le32_to_cpu(x)
+#else
+#define cpu_to_edmac(x) cpu_to_be32(x)
+#define edmac_to_cpu(x) be32_to_cpu(x)
+#endif
+
#endif
--
1.5.6.3
--
Yoshinori Sato
<ysato@...rs.sourceforge.jp>
--
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