#include <common.h>
#include <malloc.h>
#include <net.h>
+#include <netdev.h>
#include <asm/errno.h>
#include <asm/io.h>
#ifndef CONFIG_SH_ETHER_PHY_ADDR
# error "Please define CONFIG_SH_ETHER_PHY_ADDR"
#endif
+#ifdef CONFIG_SH_ETHER_CACHE_WRITEBACK
+#define flush_cache_wback(addr, len) \
+ dcache_wback_range((u32)addr, (u32)(addr + len - 1))
+#else
+#define flush_cache_wback(...)
+#endif
-extern int eth_init(bd_t *bd);
-extern void eth_halt(void);
-extern int eth_rx(void);
-extern int eth_send(volatile void *packet, int length);
-
-static struct dev_info_s *dev;
+#define SH_ETH_PHY_DELAY 50000
/*
* Bits are written to the PHY serially using the
udelay(1);
}
-static int sh_eth_mii_read_phy_bits(int port, u32 * val, int len)
+static void sh_eth_mii_read_phy_bits(int port, u32 *val, int len)
{
int i;
u32 pir;
outl(0, PIR(port));
udelay(1);
}
-
- return 0;
}
#define PHY_INIT 0xFFFFFFFF
sh_eth_mii_ind_bus_release(port);
}
-void eth_halt(void)
-{
-}
-
-int eth_send(volatile void *packet, int len)
+int sh_eth_send(struct eth_device *dev, volatile void *packet, int len)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
- int timeout;
- int rc = 0;
+ struct sh_eth_dev *eth = dev->priv;
+ int port = eth->port, ret = 0, timeout;
+ struct sh_eth_info *port_info = ð->port_info[port];
if (!packet || len > 0xffff) {
- printf("eth_send: Invalid argument\n");
- return -EINVAL;
+ printf(SHETHER_NAME ": %s: Invalid argument\n", __func__);
+ ret = -EINVAL;
+ goto err;
}
/* packet must be a 4 byte boundary */
if ((int)packet & (4 - 1)) {
- printf("eth_send: packet not 4 byte alligned\n");
- return -EFAULT;
+ printf(SHETHER_NAME ": %s: packet not 4 byte alligned\n", __func__);
+ ret = -EFAULT;
+ goto err;
}
/* Update tx descriptor */
+ flush_cache_wback(packet, len);
port_info->tx_desc_cur->td2 = ADDR_TO_PHY(packet);
port_info->tx_desc_cur->td1 = len << 16;
/* Must preserve the end of descriptor list indication */
udelay(100);
if (timeout < 0) {
- printf("eth_send: transmit timeout\n");
- rc = -1;
+ printf(SHETHER_NAME ": transmit timeout\n");
+ ret = -ETIMEDOUT;
goto err;
}
-err:
port_info->tx_desc_cur++;
if (port_info->tx_desc_cur >= port_info->tx_desc_base + NUM_TX_DESC)
port_info->tx_desc_cur = port_info->tx_desc_base;
- return rc;
+ return ret;
+err:
+ return ret;
}
-int eth_rx(void)
+int sh_eth_recv(struct eth_device *dev)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
- int len = 0;
+ struct sh_eth_dev *eth = dev->priv;
+ int port = eth->port, len = 0;
+ struct sh_eth_info *port_info = ð->port_info[port];
volatile u8 *packet;
/* Check if the rx descriptor is ready */
}
#define EDMR_INIT_CNT 1000
-static int sh_eth_reset(struct dev_info_s *dev)
+static int sh_eth_reset(struct sh_eth_dev *eth)
{
- int port = dev->port;
- int i;
+ int port = eth->port;
+#if defined(CONFIG_CPU_SH7763)
+ int ret = 0, i;
/* Start e-dmac transmitter and receiver */
outl(EDSR_ENALL, EDSR(port));
}
if (i == EDMR_INIT_CNT) {
- printf("Error: Software reset timeout\n");
- return -1;
+ printf(SHETHER_NAME ": Software reset timeout\n");
+ ret = -EIO;
}
+
+ return ret;
+#else
+ outl(inl(EDMR(port)) | EDMR_SRST, EDMR(port));
+ udelay(3000);
+ outl(inl(EDMR(port)) & ~EDMR_SRST, EDMR(port));
+
return 0;
+#endif
}
-static int sh_eth_tx_desc_init(struct dev_info_s *dev)
+static int sh_eth_tx_desc_init(struct sh_eth_dev *eth)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
+ int port = eth->port, i, ret = 0;
u32 tmp_addr;
+ struct sh_eth_info *port_info = ð->port_info[port];
struct tx_desc_s *cur_tx_desc;
- int i;
- /* Allocate tx descriptors. They must be TX_DESC_SIZE bytes
- aligned */
- if (!(port_info->tx_desc_malloc = malloc(NUM_TX_DESC *
+ /*
+ * Allocate tx descriptors. They must be TX_DESC_SIZE bytes aligned
+ */
+ port_info->tx_desc_malloc = malloc(NUM_TX_DESC *
sizeof(struct tx_desc_s) +
- TX_DESC_SIZE - 1))) {
- printf("Error: malloc failed\n");
- return -ENOMEM;
+ TX_DESC_SIZE - 1);
+ if (!port_info->tx_desc_malloc) {
+ printf(SHETHER_NAME ": malloc failed\n");
+ ret = -ENOMEM;
+ goto err;
}
+
tmp_addr = (u32) (((int)port_info->tx_desc_malloc + TX_DESC_SIZE - 1) &
~(TX_DESC_SIZE - 1));
+ flush_cache_wback(tmp_addr, NUM_TX_DESC * sizeof(struct tx_desc_s));
/* Make sure we use a P2 address (non-cacheable) */
port_info->tx_desc_base = (struct tx_desc_s *)ADDR_TO_P2(tmp_addr);
-
port_info->tx_desc_cur = port_info->tx_desc_base;
/* Initialize all descriptors */
/* Point the controller to the tx descriptor list. Must use physical
addresses */
outl(ADDR_TO_PHY(port_info->tx_desc_base), TDLAR(port));
+#if defined(CONFIG_CPU_SH7763)
outl(ADDR_TO_PHY(port_info->tx_desc_base), TDFAR(port));
outl(ADDR_TO_PHY(cur_tx_desc), TDFXR(port));
outl(0x01, TDFFR(port));/* Last discriptor bit */
+#endif
- return 0;
+err:
+ return ret;
}
-static int sh_eth_rx_desc_init(struct dev_info_s *dev)
+static int sh_eth_rx_desc_init(struct sh_eth_dev *eth)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
- u32 tmp_addr;
+ int port = eth->port, i , ret = 0;
+ struct sh_eth_info *port_info = ð->port_info[port];
struct rx_desc_s *cur_rx_desc;
+ u32 tmp_addr;
u8 *rx_buf;
- int i;
- /* Allocate rx descriptors. They must be RX_DESC_SIZE bytes
- aligned */
- if (!(port_info->rx_desc_malloc = malloc(NUM_RX_DESC *
+ /*
+ * Allocate rx descriptors. They must be RX_DESC_SIZE bytes aligned
+ */
+ port_info->rx_desc_malloc = malloc(NUM_RX_DESC *
sizeof(struct rx_desc_s) +
- RX_DESC_SIZE - 1))) {
- printf("Error: malloc failed\n");
- return -ENOMEM;
+ RX_DESC_SIZE - 1);
+ if (!port_info->rx_desc_malloc) {
+ printf(SHETHER_NAME ": malloc failed\n");
+ ret = -ENOMEM;
+ goto err;
}
+
tmp_addr = (u32) (((int)port_info->rx_desc_malloc + RX_DESC_SIZE - 1) &
~(RX_DESC_SIZE - 1));
+ flush_cache_wback(tmp_addr, NUM_RX_DESC * sizeof(struct rx_desc_s));
/* Make sure we use a P2 address (non-cacheable) */
port_info->rx_desc_base = (struct rx_desc_s *)ADDR_TO_P2(tmp_addr);
port_info->rx_desc_cur = port_info->rx_desc_base;
- /* Allocate rx data buffers. They must be 32 bytes aligned and in
- P2 area */
- if (!(port_info->rx_buf_malloc = malloc(NUM_RX_DESC * MAX_BUF_SIZE +
- 31))) {
- printf("Error: malloc failed\n");
- free(port_info->rx_desc_malloc);
- port_info->rx_desc_malloc = NULL;
- return -ENOMEM;
+ /*
+ * Allocate rx data buffers. They must be 32 bytes aligned and in
+ * P2 area
+ */
+ port_info->rx_buf_malloc = malloc(NUM_RX_DESC * MAX_BUF_SIZE + 31);
+ if (!port_info->rx_buf_malloc) {
+ printf(SHETHER_NAME ": malloc failed\n");
+ ret = -ENOMEM;
+ goto err_buf_malloc;
}
+
tmp_addr = (u32)(((int)port_info->rx_buf_malloc + (32 - 1)) &
~(32 - 1));
port_info->rx_buf_base = (u8 *)ADDR_TO_P2(tmp_addr);
/* Point the controller to the rx descriptor list */
outl(ADDR_TO_PHY(port_info->rx_desc_base), RDLAR(port));
+#if defined(CONFIG_CPU_SH7763)
outl(ADDR_TO_PHY(port_info->rx_desc_base), RDFAR(port));
outl(ADDR_TO_PHY(cur_rx_desc), RDFXR(port));
outl(RDFFR_RDLF, RDFFR(port));
+#endif
- return 0;
+ return ret;
+
+err_buf_malloc:
+ free(port_info->rx_desc_malloc);
+ port_info->rx_desc_malloc = NULL;
+
+err:
+ return ret;
}
-static void sh_eth_desc_free(struct dev_info_s *dev)
+static void sh_eth_tx_desc_free(struct sh_eth_dev *eth)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
+ int port = eth->port;
+ struct sh_eth_info *port_info = ð->port_info[port];
if (port_info->tx_desc_malloc) {
free(port_info->tx_desc_malloc);
port_info->tx_desc_malloc = NULL;
}
+}
+
+static void sh_eth_rx_desc_free(struct sh_eth_dev *eth)
+{
+ int port = eth->port;
+ struct sh_eth_info *port_info = ð->port_info[port];
if (port_info->rx_desc_malloc) {
free(port_info->rx_desc_malloc);
}
}
-static int sh_eth_desc_init(struct dev_info_s *dev)
+static int sh_eth_desc_init(struct sh_eth_dev *eth)
{
- int rc;
+ int ret = 0;
- if ((rc = sh_eth_tx_desc_init(dev)) || (rc = sh_eth_rx_desc_init(dev))) {
- sh_eth_desc_free(dev);
- return rc;
- }
+ ret = sh_eth_tx_desc_init(eth);
+ if (ret)
+ goto err_tx_init;
- return 0;
+ ret = sh_eth_rx_desc_init(eth);
+ if (ret)
+ goto err_rx_init;
+
+ return ret;
+err_rx_init:
+ sh_eth_tx_desc_free(eth);
+
+err_tx_init:
+ return ret;
}
-static int sh_eth_phy_config(struct dev_info_s *dev)
+static int sh_eth_phy_config(struct sh_eth_dev *eth)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
- int timeout;
+ int port = eth->port, timeout, ret = 0;
+ struct sh_eth_info *port_info = ð->port_info[port];
u32 val;
+
/* Reset phy */
- sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_CTRL, PHY_C_RESET);
+ sh_eth_mii_write_phy_reg
+ (port, port_info->phy_addr, PHY_CTRL, PHY_C_RESET);
timeout = 10;
while (timeout--) {
- val = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, PHY_CTRL);
+ val = sh_eth_mii_read_phy_reg(port,
+ port_info->phy_addr, PHY_CTRL);
if (!(val & PHY_C_RESET))
break;
- udelay(50000);
+ udelay(SH_ETH_PHY_DELAY);
}
+
if (timeout < 0) {
- printf("%s phy reset timeout\n", __func__);
- return -1;
+ printf(SHETHER_NAME ": phy reset timeout\n");
+ ret = -EIO;
+ goto err_tout;
}
/* Advertise 100/10 baseT full/half duplex */
val = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, 1);
if (val & PHY_S_ANEGC)
break;
- udelay(50000);
+
+ udelay(SH_ETH_PHY_DELAY);
}
+
if (timeout < 0) {
- printf("sh_eth_phy_config() phy auto-negotiation failed\n");
- return -1;
+ printf(SHETHER_NAME ": phy auto-negotiation failed\n");
+ ret = -ETIMEDOUT;
+ goto err_tout;
}
- return 0;
+ return ret;
+
+err_tout:
+ return ret;
}
-static int sh_eth_config(struct dev_info_s *dev, bd_t * bd)
+static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
{
- int port = dev->port;
- struct port_info_s *port_info = &dev->port_info[port];
- u32 val;
- u32 phy_status;
- int rc;
+ int port = eth->port, ret = 0;
+ u32 val, phy_status;
+ struct sh_eth_info *port_info = ð->port_info[port];
+ struct eth_device *dev = port_info->dev;
/* Configure e-dmac registers */
outl((inl(EDMR(port)) & ~EMDR_DESC_R) | EDMR_EL, EDMR(port));
outl(0, TFTR(port));
outl((FIFO_SIZE_T | FIFO_SIZE_R), FDR(port));
outl(RMCR_RST, RMCR(port));
+#ifndef CONFIG_CPU_SH7757
outl(0, RPADIR(port));
+#endif
outl((FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR(port));
/* Configure e-mac registers */
+#if defined(CONFIG_CPU_SH7757)
+ outl(ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP |
+ ECSIPR_MPDIP | ECSIPR_ICDIP, ECSIPR(port));
+#else
outl(0, ECSIPR(port));
+#endif
/* Set Mac address */
- val = bd->bi_enetaddr[0] << 24 | bd->bi_enetaddr[1] << 16 |
- bd->bi_enetaddr[2] << 8 | bd->bi_enetaddr[3];
+ val = dev->enetaddr[0] << 24 | dev->enetaddr[1] << 16 |
+ dev->enetaddr[2] << 8 | dev->enetaddr[3];
outl(val, MAHR(port));
- val = bd->bi_enetaddr[4] << 8 | bd->bi_enetaddr[5];
+ val = dev->enetaddr[4] << 8 | dev->enetaddr[5];
outl(val, MALR(port));
outl(RFLR_RFL_MIN, RFLR(port));
+#ifndef CONFIG_CPU_SH7757
outl(0, PIPR(port));
+#endif
outl(APR_AP, APR(port));
outl(MPR_MP, MPR(port));
+#ifdef CONFIG_CPU_SH7757
+ outl(TPAUSER_UNLIMITED, TPAUSER(port));
+#else
outl(TPAUSER_TPAUSE, TPAUSER(port));
-
+#endif
/* Configure phy */
- if ((rc = sh_eth_phy_config(dev)))
- return rc;
-
+ ret = sh_eth_phy_config(eth);
+ if (ret) {
+ printf(SHETHER_NAME ": phy config timeout\n");
+ goto err_phy_cfg;
+ }
/* Read phy status to finish configuring the e-mac */
- phy_status = sh_eth_mii_read_phy_reg(dev->port,
- dev->port_info[dev->port].phy_addr,
- 1);
+ phy_status = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, 1);
/* Set the transfer speed */
+#ifdef CONFIG_CPU_SH7763
if (phy_status & (PHY_S_100X_F|PHY_S_100X_H)) {
- printf("100Base/");
+ printf(SHETHER_NAME ": 100Base/");
outl(GECMR_100B, GECMR(port));
} else {
- printf("10Base/");
+ printf(SHETHER_NAME ": 10Base/");
outl(GECMR_10B, GECMR(port));
}
+#endif
+#if defined(CONFIG_CPU_SH7757)
+ if (phy_status & (PHY_S_100X_F|PHY_S_100X_H)) {
+ printf("100Base/");
+ outl(1, RTRATE(port));
+ } else {
+ printf("10Base/");
+ outl(0, RTRATE(port));
+ }
+#endif
/* Check if full duplex mode is supported by the phy */
if (phy_status & (PHY_S_100X_F|PHY_S_10T_F)) {
printf("Half\n");
outl((ECMR_CHG_DM|ECMR_RE|ECMR_TE), ECMR(port));
}
- return 0;
+
+ return ret;
+
+err_phy_cfg:
+ return ret;
}
-static int sh_eth_start(struct dev_info_s *dev)
+static void sh_eth_start(struct sh_eth_dev *eth)
{
/*
* Enable the e-dmac receiver only. The transmitter will be enabled when
* we have something to transmit
*/
- outl(EDRRR_R, EDRRR(dev->port));
+ outl(EDRRR_R, EDRRR(eth->port));
+}
- return 0;
+static void sh_eth_stop(struct sh_eth_dev *eth)
+{
+ outl(~EDRRR_R, EDRRR(eth->port));
}
-static int sh_eth_get_mac(bd_t *bd)
+int sh_eth_init(struct eth_device *dev, bd_t *bd)
{
- char *s, *e;
- int i;
+ int ret = 0;
+ struct sh_eth_dev *eth = dev->priv;
- s = getenv("ethaddr");
- if (s != NULL) {
- for (i = 0; i < 6; ++i) {
- bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
- if (s)
- s = (*e) ? e + 1 : e;
- }
- } else {
- puts("Please set MAC address\n");
- }
- return 0;
+ ret = sh_eth_reset(eth);
+ if (ret)
+ goto err;
+
+ ret = sh_eth_desc_init(eth);
+ if (ret)
+ goto err;
+
+ ret = sh_eth_config(eth, bd);
+ if (ret)
+ goto err_config;
+
+ sh_eth_start(eth);
+
+ return ret;
+
+err_config:
+ sh_eth_tx_desc_free(eth);
+ sh_eth_rx_desc_free(eth);
+
+err:
+ return ret;
+}
+
+void sh_eth_halt(struct eth_device *dev)
+{
+ struct sh_eth_dev *eth = dev->priv;
+ sh_eth_stop(eth);
}
-int eth_init(bd_t *bd)
+int sh_eth_initialize(bd_t *bd)
{
- int rc;
- /* Allocate main device information structure */
- if (!(dev = malloc(sizeof(*dev)))) {
- printf("eth_init: malloc failed\n");
- return -ENOMEM;
+ int ret = 0;
+ struct sh_eth_dev *eth = NULL;
+ struct eth_device *dev = NULL;
+
+ eth = (struct sh_eth_dev *)malloc(sizeof(struct sh_eth_dev));
+ if (!eth) {
+ printf(SHETHER_NAME ": %s: malloc failed\n", __func__);
+ ret = -ENOMEM;
+ goto err;
}
- memset(dev, 0, sizeof(*dev));
+ dev = (struct eth_device *)malloc(sizeof(struct eth_device));
+ if (!dev) {
+ printf(SHETHER_NAME ": %s: malloc failed\n", __func__);
+ ret = -ENOMEM;
+ goto err;
+ }
+ memset(dev, 0, sizeof(struct eth_device));
+ memset(eth, 0, sizeof(struct sh_eth_dev));
- dev->port = CONFIG_SH_ETHER_USE_PORT;
- dev->port_info[dev->port].phy_addr = CONFIG_SH_ETHER_PHY_ADDR;
+ eth->port = CONFIG_SH_ETHER_USE_PORT;
+ eth->port_info[eth->port].phy_addr = CONFIG_SH_ETHER_PHY_ADDR;
- sh_eth_get_mac(bd);
+ dev->priv = (void *)eth;
+ dev->iobase = 0;
+ dev->init = sh_eth_init;
+ dev->halt = sh_eth_halt;
+ dev->send = sh_eth_send;
+ dev->recv = sh_eth_recv;
+ eth->port_info[eth->port].dev = dev;
- if ((rc = sh_eth_reset(dev)) || (rc = sh_eth_desc_init(dev)))
- goto err;
+ sprintf(dev->name, SHETHER_NAME);
- if ((rc = sh_eth_config(dev, bd)) || (rc = sh_eth_start(dev)))
- goto err_desc;
+ /* Register Device to EtherNet subsystem */
+ eth_register(dev);
- return 0;
+ if (!eth_getenv_enetaddr("ethaddr", dev->enetaddr))
+ puts("Please set MAC address\n");
+
+ return ret;
-err_desc:
- sh_eth_desc_free(dev);
err:
- free(dev);
- printf("eth_init: Failed\n");
- return rc;
+ if (dev)
+ free(dev);
+
+ if (eth)
+ free(eth);
+
+ printf(SHETHER_NAME ": Failed\n");
+ return ret;
}