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ramips: add mdio_cfg configuration for the ethernet driver

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SVN-Revision: 22211
This commit is contained in:
Gabor Juhos 2010-07-15 19:45:40 +00:00
parent 9445ce43a6
commit 0d8c036e56
3 changed files with 86 additions and 0 deletions
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5
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_eth_platform.h
View file

@ -25,6 +25,11 @@ struct ramips_eth_platform_data
void (*reset_fe)(void);
int min_pkt_len;
unsigned long sys_freq;
int speed;
int duplex;
int tx_fc;
int rx_fc;
};
#endif /* _RAMIPS_ETH_PLATFORM_H */

49
target/linux/ramips/files/drivers/net/ramips.c
View file

@ -22,6 +22,7 @@
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/platform_device.h>
#include <ramips_eth_platform.h>
@ -77,6 +78,47 @@ ramips_hw_set_macaddr(unsigned char *mac)
RAMIPS_GDMA1_MAC_ADRL);
}
#ifdef CONFIG_RALINK_RT288X
static void
ramips_setup_mdio_cfg(struct raeth_priv *re)
{
unsigned int mdio_cfg;
mdio_cfg = RAMIPS_MDIO_CFG_TX_CLK_SKEW_200 |
RAMIPS_MDIO_CFG_TX_CLK_SKEW_200 |
RAMIPS_MDIO_CFG_GP1_FRC_EN;
if (re->duplex == DUPLEX_FULL)
mdio_cfg |= RAMIPS_MDIO_CFG_GP1_DUPLEX;
if (re->tx_fc)
mdio_cfg |= RAMIPS_MDIO_CFG_GP1_FC_TX;
if (re->rx_fc)
mdio_cfg |= RAMIPS_MDIO_CFG_GP1_FC_RX;
switch (re->speed) {
case SPEED_10:
mdio_cfg |= RAMIPS_MDIO_CFG_GP1_SPEED_10;
break;
case SPEED_100:
mdio_cfg |= RAMIPS_MDIO_CFG_GP1_SPEED_100;
break;
case SPEED_1000:
mdio_cfg |= RAMIPS_MDIO_CFG_GP1_SPEED_1000;
break;
default:
BUG();
}
ramips_fe_wr(mdio_cfg, RAMIPS_MDIO_CFG);
}
#else
static inline void ramips_setup_mdio_cfg(struct raeth_priv *re)
{
}
#endif /* CONFIG_RALINK_RT288X */
static void
ramips_cleanup_dma(struct raeth_priv *re)
{
@ -334,6 +376,8 @@ ramips_eth_open(struct net_device *dev)
(unsigned long)dev);
tasklet_init(&priv->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev);
ramips_setup_mdio_cfg(priv);
ramips_fe_wr(RAMIPS_DELAY_INIT, RAMIPS_DLY_INT_CFG);
ramips_fe_wr(RAMIPS_TX_DLY_INT | RAMIPS_RX_DLY_INT, RAMIPS_FE_INT_ENABLE);
ramips_fe_wr(ramips_fe_rr(RAMIPS_GDMA1_FWD_CFG) &
@ -442,6 +486,11 @@ ramips_eth_plat_probe(struct platform_device *plat)
ramips_dev->netdev_ops = &ramips_eth_netdev_ops;
priv = netdev_priv(ramips_dev);
priv->speed = data->speed;
priv->duplex = data->duplex;
priv->rx_fc = data->rx_fc;
priv->tx_fc = data->tx_fc;
priv->plat = data;
err = register_netdev(ramips_dev);

32
target/linux/ramips/files/drivers/net/ramips_eth.h
View file

@ -122,6 +122,33 @@
#define RAMIPS_RX_CALC_IDX1 (RAMIPS_PDMA_OFFSET + 0x68)
#define RAMIPS_RX_DRX_IDX1 (RAMIPS_PDMA_OFFSET + 0x6C)
/* MDIO_CFG register bits */
#define RAMIPS_MDIO_CFG_AUTO_POLL_EN BIT(29)
#define RAMIPS_MDIO_CFG_GP1_BP_EN BIT(16)
#define RAMIPS_MDIO_CFG_GP1_FRC_EN BIT(15)
#define RAMIPS_MDIO_CFG_GP1_SPEED_10 (0 << 13)
#define RAMIPS_MDIO_CFG_GP1_SPEED_100 (1 << 13)
#define RAMIPS_MDIO_CFG_GP1_SPEED_1000 (2 << 13)
#define RAMIPS_MDIO_CFG_GP1_DUPLEX BIT(12)
#define RAMIPS_MDIO_CFG_GP1_FC_TX BIT(11)
#define RAMIPS_MDIO_CFG_GP1_FC_RX BIT(10)
#define RAMIPS_MDIO_CFG_GP1_LNK_DWN BIT(9)
#define RAMIPS_MDIO_CFG_GP1_AN_FAIL BIT(8)
#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6)
#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6)
#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6)
#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6)
#define RAMIPS_MDIO_CFG_TURBO_MII_FREQ BIT(5)
#define RAMIPS_MDIO_CFG_TURBO_MII_MODE BIT(4)
#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2)
#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2)
#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2)
#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2)
#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_0 0
#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_200 1
#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_400 2
#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_INV 3
/* uni-cast port */
#define RAMIPS_GDM1_ICS_EN BIT(22)
#define RAMIPS_GDM1_TCS_EN BIT(21)
@ -201,6 +228,11 @@ struct raeth_priv
spinlock_t page_lock;
struct ramips_eth_platform_data *plat;
int speed;
int duplex;
int tx_fc;
int rx_fc;
};
#endif /* RAMIPS_ETH_H */