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net: macb: Convert to driver model 

Add driver-model support to this driver. The old code remains for now so
that we can convert boards one at a time.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested-on: smartweb, corvus, taurus, axm
Tested-by: Heiko Schocher <hs@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
This commit is contained in:
Simon Glass 2016-05-05 07:28:11 -06:00 committed by Andreas Bießmann
parent f589f8cca6
commit f1dcc19b21
1 changed files with 119 additions and 0 deletions
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119
drivers/net/macb.c
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
/*
* The u-boot networking stack is a little weird. It seems like the
@ -28,7 +29,9 @@
*/
#include <net.h>
#ifndef CONFIG_DM_ETH
#include <netdev.h>
#endif
#include <malloc.h>
#include <miiphy.h>
@ -100,11 +103,15 @@ struct macb_device {
unsigned long dummy_desc_dma;
const struct device *dev;
#ifndef CONFIG_DM_ETH
struct eth_device netdev;
#endif
unsigned short phy_addr;
struct mii_dev *bus;
};
#ifndef CONFIG_DM_ETH
#define to_macb(_nd) container_of(_nd, struct macb_device, netdev)
#endif
static int macb_is_gem(struct macb_device *macb)
{
@ -194,8 +201,13 @@ void __weak arch_get_mdio_control(const char *name)
int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
{
#ifdef CONFIG_DM_ETH
struct udevice *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = dev_get_priv(dev);
#else
struct eth_device *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = to_macb(dev);
#endif
if (macb->phy_addr != phy_adr)
return -1;
@ -208,8 +220,13 @@ int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
int macb_miiphy_write(const char *devname, u8 phy_adr, u8 reg, u16 value)
{
#ifdef CONFIG_DM_ETH
struct udevice *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = dev_get_priv(dev);
#else
struct eth_device *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = to_macb(dev);
#endif
if (macb->phy_addr != phy_adr)
return -1;
@ -764,6 +781,7 @@ static void _macb_eth_initialize(struct macb_device *macb)
macb_writel(macb, NCFGR, ncfgr);
}
#ifndef CONFIG_DM_ETH
static int macb_send(struct eth_device *netdev, void *packet, int length)
{
struct macb_device *macb = to_macb(netdev);
@ -849,5 +867,106 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
#endif
return 0;
}
#endif /* !CONFIG_DM_ETH */
#ifdef CONFIG_DM_ETH
static int macb_start(struct udevice *dev)
{
struct macb_device *macb = dev_get_priv(dev);
return _macb_init(macb, dev->name);
}
static int macb_send(struct udevice *dev, void *packet, int length)
{
struct macb_device *macb = dev_get_priv(dev);
return _macb_send(macb, dev->name, packet, length);
}
static int macb_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct macb_device *macb = dev_get_priv(dev);
macb->next_rx_tail = macb->rx_tail;
macb->wrapped = false;
return _macb_recv(macb, packetp);
}
static int macb_free_pkt(struct udevice *dev, uchar *packet, int length)
{
struct macb_device *macb = dev_get_priv(dev);
reclaim_rx_buffers(macb, macb->next_rx_tail);
return 0;
}
static void macb_stop(struct udevice *dev)
{
struct macb_device *macb = dev_get_priv(dev);
_macb_halt(macb);
}
static int macb_write_hwaddr(struct udevice *dev)
{
struct eth_pdata *plat = dev_get_platdata(dev);
struct macb_device *macb = dev_get_priv(dev);
return _macb_write_hwaddr(macb, plat->enetaddr);
}
static const struct eth_ops macb_eth_ops = {
.start = macb_start,
.send = macb_send,
.recv = macb_recv,
.stop = macb_stop,
.free_pkt = macb_free_pkt,
.write_hwaddr = macb_write_hwaddr,
};
static int macb_eth_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct macb_device *macb = dev_get_priv(dev);
macb->regs = (void *)pdata->iobase;
_macb_eth_initialize(macb);
#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
miiphy_register(dev->name, macb_miiphy_read, macb_miiphy_write);
macb->bus = miiphy_get_dev_by_name(dev->name);
#endif
return 0;
}
static int macb_eth_ofdata_to_platdata(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
pdata->iobase = dev_get_addr(dev);
return 0;
}
static const struct udevice_id macb_eth_ids[] = {
{ .compatible = "cdns,macb" },
{ }
};
U_BOOT_DRIVER(eth_macb) = {
.name = "eth_macb",
.id = UCLASS_ETH,
.of_match = macb_eth_ids,
.ofdata_to_platdata = macb_eth_ofdata_to_platdata,
.probe = macb_eth_probe,
.ops = &macb_eth_ops,
.priv_auto_alloc_size = sizeof(struct macb_device),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),
};
#endif
#endif