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path: root/drivers/net/kirkwood_egiga.c
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Diffstat (limited to 'drivers/net/kirkwood_egiga.c')
-rw-r--r--drivers/net/kirkwood_egiga.c51
1 files changed, 39 insertions, 12 deletions
diff --git a/drivers/net/kirkwood_egiga.c b/drivers/net/kirkwood_egiga.c
index f31fefcb09..479035d552 100644
--- a/drivers/net/kirkwood_egiga.c
+++ b/drivers/net/kirkwood_egiga.c
@@ -38,6 +38,8 @@
#include <asm/arch/kirkwood.h>
#include "kirkwood_egiga.h"
+#define KIRKWOOD_PHY_ADR_REQUEST 0xee
+
/*
* smi_reg_read - miiphy_read callback function.
*
@@ -52,7 +54,8 @@ static int smi_reg_read(char *devname, u8 phy_adr, u8 reg_ofs, u16 * data)
u32 timeout;
/* Phyadr read request */
- if (phy_adr == 0xEE && reg_ofs == 0xEE) {
+ if (phy_adr == KIRKWOOD_PHY_ADR_REQUEST &&
+ reg_ofs == KIRKWOOD_PHY_ADR_REQUEST) {
/* */
*data = (u16) (KWGBEREG_RD(regs->phyadr) & PHYADR_MASK);
return 0;
@@ -127,7 +130,8 @@ static int smi_reg_write(char *devname, u8 phy_adr, u8 reg_ofs, u16 data)
u32 timeout;
/* Phyadr write request*/
- if (phy_adr == 0xEE && reg_ofs == 0xEE) {
+ if (phy_adr == KIRKWOOD_PHY_ADR_REQUEST &&
+ reg_ofs == KIRKWOOD_PHY_ADR_REQUEST) {
KWGBEREG_WR(regs->phyadr, data);
return 0;
}
@@ -396,6 +400,7 @@ static int kwgbe_init(struct eth_device *dev)
{
struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
struct kwgbe_registers *regs = dkwgbe->regs;
+ int i;
/* setup RX rings */
kwgbe_init_rx_desc_ring(dkwgbe);
@@ -443,12 +448,20 @@ static int kwgbe_init(struct eth_device *dev)
#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
&& defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
- u16 phyadr;
- miiphy_read(dev->name, 0xEE, 0xEE, &phyadr);
- if (!miiphy_link(dev->name, phyadr)) {
- printf("%s: No link on %s\n", __FUNCTION__, dev->name);
- return -1;
+ /* Wait up to 5s for the link status */
+ for (i = 0; i < 5; i++) {
+ u16 phyadr;
+
+ miiphy_read(dev->name, KIRKWOOD_PHY_ADR_REQUEST,
+ KIRKWOOD_PHY_ADR_REQUEST, &phyadr);
+ /* Return if we get link up */
+ if (miiphy_link(dev->name, phyadr))
+ return 0;
+ udelay(1000000);
}
+
+ printf("No link on %s\n", dev->name);
+ return -1;
#endif
return 0;
}
@@ -487,18 +500,26 @@ static int kwgbe_send(struct eth_device *dev, volatile void *dataptr,
struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
struct kwgbe_registers *regs = dkwgbe->regs;
struct kwgbe_txdesc *p_txdesc = dkwgbe->p_txdesc;
+ void *p = (void *)dataptr;
u32 cmd_sts;
+ /* Copy buffer if it's misaligned */
if ((u32) dataptr & 0x07) {
- printf("Err..(%s) xmit dataptr not 64bit aligned\n",
- __FUNCTION__);
- return -1;
+ if (datasize > PKTSIZE_ALIGN) {
+ printf("Non-aligned data too large (%d)\n",
+ datasize);
+ return -1;
+ }
+
+ memcpy(dkwgbe->p_aligned_txbuf, p, datasize);
+ p = dkwgbe->p_aligned_txbuf;
}
+
p_txdesc->cmd_sts = KWGBE_ZERO_PADDING | KWGBE_GEN_CRC;
p_txdesc->cmd_sts |= KWGBE_TX_FIRST_DESC | KWGBE_TX_LAST_DESC;
p_txdesc->cmd_sts |= KWGBE_BUFFER_OWNED_BY_DMA;
p_txdesc->cmd_sts |= KWGBE_TX_EN_INTERRUPT;
- p_txdesc->buf_ptr = (u8 *) dataptr;
+ p_txdesc->buf_ptr = (u8 *) p;
p_txdesc->byte_cnt = datasize;
/* Apply send command using zeroth RXUQ */
@@ -615,8 +636,13 @@ int kirkwood_egiga_initialize(bd_t * bis)
* PKTSIZE_ALIGN + 1)))
goto error3;
+ if (!(dkwgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN)))
+ goto error4;
+
if (!(dkwgbe->p_txdesc = (struct kwgbe_txdesc *)
memalign(PKTALIGN, sizeof(struct kwgbe_txdesc) + 1))) {
+ free(dkwgbe->p_aligned_txbuf);
+ error4:
free(dkwgbe->p_rxbuf);
error3:
free(dkwgbe->p_rxdesc);
@@ -670,7 +696,8 @@ int kirkwood_egiga_initialize(bd_t * bis)
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
miiphy_register(dev->name, smi_reg_read, smi_reg_write);
/* Set phy address of the port */
- miiphy_write(dev->name, 0xEE, 0xEE, PHY_BASE_ADR + devnum);
+ miiphy_write(dev->name, KIRKWOOD_PHY_ADR_REQUEST,
+ KIRKWOOD_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
#endif
}
return 0;
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