const struct device *dev;
struct eth_device netdev;
unsigned short phy_addr;
+ struct mii_dev *bus;
};
#define to_macb(_nd) container_of(_nd, struct macb_device, netdev)
+static int macb_is_gem(struct macb_device *macb)
+{
+ return MACB_BFEXT(IDNUM, macb_readl(macb, MID)) == 0x2;
+}
+
static void macb_mdio_write(struct macb_device *macb, u8 reg, u16 value)
{
unsigned long netctl;
return;
}
-#if defined(CONFIG_CMD_MII)
+#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
{
static int macb_phy_init(struct macb_device *macb)
{
struct eth_device *netdev = &macb->netdev;
+#ifdef CONFIG_PHYLIB
+ struct phy_device *phydev;
+#endif
u32 ncfgr;
u16 phy_id, status, adv, lpa;
int media, speed, duplex;
return 0;
}
+#ifdef CONFIG_PHYLIB
+ phydev->bus = macb->bus;
+ phydev->dev = netdev;
+ phydev->addr = macb->phy_addr;
+ phy_config(phydev);
+#endif
+
status = macb_mdio_read(macb, MII_BMSR);
if (!(status & BMSR_LSTATUS)) {
/* Try to re-negotiate if we don't have link already. */
printf("%s: link down (status: 0x%04x)\n",
netdev->name, status);
return 0;
- } else {
- adv = macb_mdio_read(macb, MII_ADVERTISE);
- lpa = macb_mdio_read(macb, MII_LPA);
- media = mii_nway_result(lpa & adv);
- speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)
- ? 1 : 0);
- duplex = (media & ADVERTISE_FULL) ? 1 : 0;
- printf("%s: link up, %sMbps %s-duplex (lpa: 0x%04x)\n",
- netdev->name,
- speed ? "100" : "10",
- duplex ? "full" : "half",
- lpa);
-
- ncfgr = macb_readl(macb, NCFGR);
- ncfgr &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
- if (speed)
- ncfgr |= MACB_BIT(SPD);
- if (duplex)
- ncfgr |= MACB_BIT(FD);
- macb_writel(macb, NCFGR, ncfgr);
- return 1;
}
+
+ /* First check for GMAC */
+ if (macb_is_gem(macb)) {
+ lpa = macb_mdio_read(macb, MII_STAT1000);
+ if (lpa & (1 << 11)) {
+ speed = 1000;
+ duplex = 1;
+ } else {
+ if (lpa & (1 << 10)) {
+ speed = 1000;
+ duplex = 1;
+ } else {
+ speed = 0;
+ }
+ }
+
+ if (speed == 1000) {
+ printf("%s: link up, %dMbps %s-duplex (lpa: 0x%04x)\n",
+ netdev->name,
+ speed,
+ duplex ? "full" : "half",
+ lpa);
+
+ ncfgr = macb_readl(macb, NCFGR);
+ ncfgr &= ~(GEM_BIT(GBE) | MACB_BIT(SPD) | MACB_BIT(FD));
+ if (speed)
+ ncfgr |= GEM_BIT(GBE);
+ if (duplex)
+ ncfgr |= MACB_BIT(FD);
+ macb_writel(macb, NCFGR, ncfgr);
+
+ return 1;
+ }
+ }
+
+ /* fall back for EMAC checking */
+ adv = macb_mdio_read(macb, MII_ADVERTISE);
+ lpa = macb_mdio_read(macb, MII_LPA);
+ media = mii_nway_result(lpa & adv);
+ speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)
+ ? 1 : 0);
+ duplex = (media & ADVERTISE_FULL) ? 1 : 0;
+ printf("%s: link up, %sMbps %s-duplex (lpa: 0x%04x)\n",
+ netdev->name,
+ speed ? "100" : "10",
+ duplex ? "full" : "half",
+ lpa);
+
+ ncfgr = macb_readl(macb, NCFGR);
+ ncfgr &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
+ if (speed)
+ ncfgr |= MACB_BIT(SPD);
+ if (duplex)
+ ncfgr |= MACB_BIT(FD);
+ macb_writel(macb, NCFGR, ncfgr);
+
+ return 1;
}
static int macb_init(struct eth_device *netdev, bd_t *bd)
macb_writel(macb, RBQP, macb->rx_ring_dma);
macb_writel(macb, TBQP, macb->tx_ring_dma);
+ if (macb_is_gem(macb)) {
+#ifdef CONFIG_RGMII
+ gem_writel(macb, UR, GEM_BIT(RGMII));
+#else
+ gem_writel(macb, UR, 0);
+#endif
+ } else {
/* choose RMII or MII mode. This depends on the board */
#ifdef CONFIG_RMII
#ifdef CONFIG_AT91FAMILY
macb_writel(macb, USRIO, MACB_BIT(MII));
#endif
#endif /* CONFIG_RMII */
+ }
if (!macb_phy_init(macb))
return -1;
return 0;
}
+static u32 macb_mdc_clk_div(int id, struct macb_device *macb)
+{
+ u32 config;
+ unsigned long macb_hz = get_macb_pclk_rate(id);
+
+ if (macb_hz < 20000000)
+ config = MACB_BF(CLK, MACB_CLK_DIV8);
+ else if (macb_hz < 40000000)
+ config = MACB_BF(CLK, MACB_CLK_DIV16);
+ else if (macb_hz < 80000000)
+ config = MACB_BF(CLK, MACB_CLK_DIV32);
+ else
+ config = MACB_BF(CLK, MACB_CLK_DIV64);
+
+ return config;
+}
+
+static u32 gem_mdc_clk_div(int id, struct macb_device *macb)
+{
+ u32 config;
+ unsigned long macb_hz = get_macb_pclk_rate(id);
+
+ if (macb_hz < 20000000)
+ config = GEM_BF(CLK, GEM_CLK_DIV8);
+ else if (macb_hz < 40000000)
+ config = GEM_BF(CLK, GEM_CLK_DIV16);
+ else if (macb_hz < 80000000)
+ config = GEM_BF(CLK, GEM_CLK_DIV32);
+ else if (macb_hz < 120000000)
+ config = GEM_BF(CLK, GEM_CLK_DIV48);
+ else if (macb_hz < 160000000)
+ config = GEM_BF(CLK, GEM_CLK_DIV64);
+ else
+ config = GEM_BF(CLK, GEM_CLK_DIV96);
+
+ return config;
+}
+
int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
{
struct macb_device *macb;
struct eth_device *netdev;
- unsigned long macb_hz;
u32 ncfgr;
macb = malloc(sizeof(struct macb_device));
macb->regs = regs;
macb->phy_addr = phy_addr;
- sprintf(netdev->name, "macb%d", id);
+ if (macb_is_gem(macb))
+ sprintf(netdev->name, "gmac%d", id);
+ else
+ sprintf(netdev->name, "macb%d", id);
+
netdev->init = macb_init;
netdev->halt = macb_halt;
netdev->send = macb_send;
* Do some basic initialization so that we at least can talk
* to the PHY
*/
- macb_hz = get_macb_pclk_rate(id);
- if (macb_hz < 20000000)
- ncfgr = MACB_BF(CLK, MACB_CLK_DIV8);
- else if (macb_hz < 40000000)
- ncfgr = MACB_BF(CLK, MACB_CLK_DIV16);
- else if (macb_hz < 80000000)
- ncfgr = MACB_BF(CLK, MACB_CLK_DIV32);
- else
- ncfgr = MACB_BF(CLK, MACB_CLK_DIV64);
+ if (macb_is_gem(macb)) {
+ ncfgr = gem_mdc_clk_div(id, macb);
+ ncfgr |= GEM_BF(DBW, 1);
+ } else {
+ ncfgr = macb_mdc_clk_div(id, macb);
+ }
macb_writel(macb, NCFGR, ncfgr);
eth_register(netdev);
-#if defined(CONFIG_CMD_MII)
+#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
miiphy_register(netdev->name, macb_miiphy_read, macb_miiphy_write);
+ macb->bus = miiphy_get_dev_by_name(netdev->name);
#endif
return 0;
}
projects / karo-tx-uboot.git / blobdiff