summaryrefslogtreecommitdiff
path: root/drivers/net/xilinx_emaclite.c
diff options
context:
space:
mode:
authorMichal Simek <michal.simek@xilinx.com>2015-12-10 17:15:52 +0100
committerMichal Simek <michal.simek@xilinx.com>2016-01-27 15:55:52 +0100
commitd538ee1b54b78295dbc3bd0d8c5d5fafa5c9e343 (patch)
tree0979e69102174fce64239fdd528377f7be9efbaa /drivers/net/xilinx_emaclite.c
parent4d2749be62b4bf749766a030c74688031edcfbad (diff)
downloadu-boot-imx-d538ee1b54b78295dbc3bd0d8c5d5fafa5c9e343.zip
u-boot-imx-d538ee1b54b78295dbc3bd0d8c5d5fafa5c9e343.tar.gz
u-boot-imx-d538ee1b54b78295dbc3bd0d8c5d5fafa5c9e343.tar.bz2
net: emaclite: Move driver to DM
Move driver to DM. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net/xilinx_emaclite.c')
-rw-r--r--drivers/net/xilinx_emaclite.c159
1 files changed, 91 insertions, 68 deletions
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 800345b..903b3e8 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -10,6 +10,7 @@
#include <common.h>
#include <net.h>
#include <config.h>
+#include <dm.h>
#include <console.h>
#include <malloc.h>
#include <asm/io.h>
@@ -19,7 +20,7 @@
#include <asm-generic/errno.h>
#include <linux/kernel.h>
-#undef DEBUG
+DECLARE_GLOBAL_DATA_PTR;
#define ENET_ADDR_LENGTH 6
#define ETH_FCS_LEN 4 /* Octets in the FCS */
@@ -146,7 +147,6 @@ static void xemaclite_alignedwrite(void *srcptr, u32 *destptr, u32 bytecount)
*to32ptr++ = alignbuffer;
}
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
static int wait_for_bit(const char *func, u32 *reg, const u32 mask,
bool set, unsigned int timeout)
{
@@ -231,9 +231,8 @@ static u32 phywrite(struct xemaclite *emaclite, u32 phyaddress, u32 registernum,
return 0;
}
-#endif
-static void emaclite_halt(struct eth_device *dev)
+static void emaclite_halt(struct udevice *dev)
{
debug("eth_halt\n");
}
@@ -249,12 +248,11 @@ static void emaclite_halt(struct eth_device *dev)
*/
#define PHY_DETECT_MASK 0x1808
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
-static int setup_phy(struct eth_device *dev)
+static int setup_phy(struct udevice *dev)
{
int i;
u16 phyreg;
- struct xemaclite *emaclite = dev->priv;
+ struct xemaclite *emaclite = dev_get_priv(dev);
struct phy_device *phydev;
u32 supported = SUPPORTED_10baseT_Half |
@@ -314,11 +312,11 @@ static int setup_phy(struct eth_device *dev)
/* Do not setup anything */
return 1;
}
-#endif
-static int emaclite_init(struct eth_device *dev, bd_t *bis)
+static int emaclite_init(struct udevice *dev)
{
- struct xemaclite *emaclite = dev->priv;
+ struct xemaclite *emaclite = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
struct emaclite_regs *regs = emaclite->regs;
debug("EmacLite Initialization Started\n");
@@ -329,7 +327,7 @@ static int emaclite_init(struct eth_device *dev, bd_t *bis)
/* Restart PING TX */
out_be32(&regs->tx_ping_tsr, 0);
/* Copy MAC address */
- xemaclite_alignedwrite(dev->enetaddr, &regs->tx_ping,
+ xemaclite_alignedwrite(pdata->enetaddr, &regs->tx_ping,
ENET_ADDR_LENGTH);
/* Set the length */
out_be32(&regs->tx_ping_tplr, ENET_ADDR_LENGTH);
@@ -343,7 +341,7 @@ static int emaclite_init(struct eth_device *dev, bd_t *bis)
if (emaclite->txpp) {
/* The same operation with PONG TX */
out_be32(&regs->tx_pong_tsr, 0);
- xemaclite_alignedwrite(dev->enetaddr, &regs->tx_pong,
+ xemaclite_alignedwrite(pdata->enetaddr, &regs->tx_pong,
ENET_ADDR_LENGTH);
out_be32(&regs->tx_pong_tplr, ENET_ADDR_LENGTH);
out_be32(&regs->tx_pong_tsr, XEL_TSR_PROG_MAC_ADDR);
@@ -361,12 +359,11 @@ static int emaclite_init(struct eth_device *dev, bd_t *bis)
if (emaclite->rxpp)
out_be32(&regs->rx_pong_rsr, XEL_RSR_RECV_IE_MASK);
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
out_be32(&regs->mdioctrl, XEL_MDIOCTRL_MDIOEN_MASK);
if (in_be32(&regs->mdioctrl) & XEL_MDIOCTRL_MDIOEN_MASK)
if (!setup_phy(dev))
return -1;
-#endif
+
debug("EmacLite Initialization complete\n");
return 0;
}
@@ -387,10 +384,10 @@ static int xemaclite_txbufferavailable(struct xemaclite *emaclite)
return !(tmp & XEL_TSR_XMIT_BUSY_MASK);
}
-static int emaclite_send(struct eth_device *dev, void *ptr, int len)
+static int emaclite_send(struct udevice *dev, void *ptr, int len)
{
u32 reg;
- struct xemaclite *emaclite = dev->priv;
+ struct xemaclite *emaclite = dev_get_priv(dev);
struct emaclite_regs *regs = emaclite->regs;
u32 maxtry = 1000;
@@ -448,7 +445,7 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
return -1;
}
-static int emaclite_recv(struct eth_device *dev)
+static int emaclite_recv(struct udevice *dev, int flags, uchar **packetp)
{
u32 length, first_read, reg, attempt = 0;
void *addr, *ack;
@@ -532,78 +529,104 @@ try_again:
debug("Packet receive from 0x%p, length %dB\n", addr, length);
net_process_received_packet((uchar *)etherrxbuff, length);
- return length;
-
+ return 0;
}
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
-static int emaclite_miiphy_read(const char *devname, uchar addr,
- uchar reg, ushort *val)
+static int emaclite_miiphy_read(struct mii_dev *bus, int addr,
+ int devad, int reg)
{
u32 ret;
- struct eth_device *dev = eth_get_dev();
+ u16 val = 0;
- ret = phyread(dev->priv, addr, reg, val);
- debug("emaclite: Read MII 0x%x, 0x%x, 0x%x\n", addr, reg, *val);
- return ret;
+ ret = phyread(bus->priv, addr, reg, &val);
+ debug("emaclite: Read MII 0x%x, 0x%x, 0x%x, %d\n", addr, reg, val, ret);
+ return val;
}
-static int emaclite_miiphy_write(const char *devname, uchar addr,
- uchar reg, ushort val)
+static int emaclite_miiphy_write(struct mii_dev *bus, int addr, int devad,
+ int reg, u16 value)
{
- struct eth_device *dev = eth_get_dev();
-
- debug("emaclite: Write MII 0x%x, 0x%x, 0x%x\n", addr, reg, val);
- return phywrite(dev->priv, addr, reg, val);
+ debug("emaclite: Write MII 0x%x, 0x%x, 0x%x\n", addr, reg, value);
+ return phywrite(bus->priv, addr, reg, value);
}
-#endif
-int xilinx_emaclite_initialize(bd_t *bis, unsigned long base_addr,
- int txpp, int rxpp)
+static int emaclite_probe(struct udevice *dev)
{
- struct eth_device *dev;
- struct xemaclite *emaclite;
- struct emaclite_regs *regs;
+ struct xemaclite *emaclite = dev_get_priv(dev);
+ int ret;
- dev = calloc(1, sizeof(*dev));
- if (dev == NULL)
- return -1;
+ emaclite->bus = mdio_alloc();
+ emaclite->bus->read = emaclite_miiphy_read;
+ emaclite->bus->write = emaclite_miiphy_write;
+ emaclite->bus->priv = emaclite;
+ strcpy(emaclite->bus->name, "emaclite");
- emaclite = calloc(1, sizeof(struct xemaclite));
- if (emaclite == NULL) {
- free(dev);
- return -1;
- }
+ ret = mdio_register(emaclite->bus);
+ if (ret)
+ return ret;
+
+ return 0;
+}
- dev->priv = emaclite;
+static int emaclite_remove(struct udevice *dev)
+{
+ struct xemaclite *emaclite = dev_get_priv(dev);
+
+ free(emaclite->phydev);
+ mdio_unregister(emaclite->bus);
+ mdio_free(emaclite->bus);
- emaclite->txpp = txpp;
- emaclite->rxpp = rxpp;
+ return 0;
+}
- sprintf(dev->name, "Xelite.%lx", base_addr);
+static const struct eth_ops emaclite_ops = {
+ .start = emaclite_init,
+ .send = emaclite_send,
+ .recv = emaclite_recv,
+ .stop = emaclite_halt,
+};
+
+static int emaclite_ofdata_to_platdata(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct xemaclite *emaclite = dev_get_priv(dev);
+ int offset = 0;
- emaclite->regs = (struct emaclite_regs *)base_addr;
- regs = emaclite->regs;
- dev->iobase = base_addr;
- dev->init = emaclite_init;
- dev->halt = emaclite_halt;
- dev->send = emaclite_send;
- dev->recv = emaclite_recv;
+ pdata->iobase = (phys_addr_t)dev_get_addr(dev);
+ emaclite->regs = (struct emaclite_regs *)pdata->iobase;
-#ifdef CONFIG_PHY_ADDR
- emaclite->phyaddr = CONFIG_PHY_ADDR;
-#else
emaclite->phyaddr = -1;
-#endif
- eth_register(dev);
+ offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
+ "phy-handle");
+ if (offset > 0)
+ emaclite->phyaddr = fdtdec_get_int(gd->fdt_blob, offset,
+ "reg", -1);
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
- miiphy_register(dev->name, emaclite_miiphy_read, emaclite_miiphy_write);
- emaclite->bus = miiphy_get_dev_by_name(dev->name);
+ emaclite->txpp = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "xlnx,tx-ping-pong", 0);
+ emaclite->rxpp = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "xlnx,rx-ping-pong", 0);
- out_be32(&regs->mdioctrl, XEL_MDIOCTRL_MDIOEN_MASK);
-#endif
+ printf("EMACLITE: %lx, phyaddr %d, %d/%d\n", (ulong)emaclite->regs,
+ emaclite->phyaddr, emaclite->txpp, emaclite->rxpp);
- return 1;
+ return 0;
}
+
+static const struct udevice_id emaclite_ids[] = {
+ { .compatible = "xlnx,xps-ethernetlite-1.00.a" },
+ { }
+};
+
+U_BOOT_DRIVER(emaclite) = {
+ .name = "emaclite",
+ .id = UCLASS_ETH,
+ .of_match = emaclite_ids,
+ .ofdata_to_platdata = emaclite_ofdata_to_platdata,
+ .probe = emaclite_probe,
+ .remove = emaclite_remove,
+ .ops = &emaclite_ops,
+ .priv_auto_alloc_size = sizeof(struct xemaclite),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+};