net: pcnet: Add DM support
With all the changes in place, add support for DM into the
pcnet driver.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c
index 0a4cab8..d9ab37b 100644
--- a/drivers/net/pcnet.c
+++ b/drivers/net/pcnet.c
@@ -9,6 +9,7 @@
#include <common.h>
#include <cpu_func.h>
#include <log.h>
+#include <dm.h>
#include <malloc.h>
#include <memalign.h>
#include <net.h>
@@ -82,9 +83,14 @@
/* Receive Buffer space */
unsigned char rx_buf[RX_RING_SIZE][PKT_BUF_SZ + 4];
struct pcnet_uncached_priv *uc;
+#ifdef CONFIG_DM_ETH
+ struct udevice *dev;
+ const char *name;
+#else
pci_dev_t dev;
- void __iomem *iobase;
char *name;
+#endif
+ void __iomem *iobase;
u8 *enetaddr;
u16 status;
int cur_rx;
@@ -136,7 +142,11 @@
{
void *virt_addr = addr;
+#ifdef CONFIG_DM_ETH
+ return dm_pci_virt_to_mem(lp->dev, virt_addr);
+#else
return pci_virt_to_mem(lp->dev, virt_addr);
+#endif
}
static struct pci_device_id supported[] = {
@@ -447,6 +457,7 @@
printf("%s: TIMEOUT: controller reset failed\n", lp->name);
}
+#ifndef CONFIG_DM_ETH
static int pcnet_init(struct eth_device *dev, bd_t *bis)
{
struct pcnet_priv *lp = dev->priv;
@@ -571,3 +582,117 @@
return dev_nr;
}
+#else /* DM_ETH */
+static int pcnet_start(struct udevice *dev)
+{
+ struct eth_pdata *plat = dev_get_platdata(dev);
+ struct pcnet_priv *priv = dev_get_priv(dev);
+
+ memcpy(priv->enetaddr, plat->enetaddr, sizeof(plat->enetaddr));
+
+ return pcnet_init_common(priv);
+}
+
+static void pcnet_stop(struct udevice *dev)
+{
+ struct pcnet_priv *priv = dev_get_priv(dev);
+
+ pcnet_halt_common(priv);
+}
+
+static int pcnet_send(struct udevice *dev, void *packet, int length)
+{
+ struct pcnet_priv *priv = dev_get_priv(dev);
+ int ret;
+
+ ret = pcnet_send_common(priv, packet, length);
+
+ return ret ? 0 : -ETIMEDOUT;
+}
+
+static int pcnet_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct pcnet_priv *priv = dev_get_priv(dev);
+
+ return pcnet_recv_common(priv, packetp);
+}
+
+static int pcnet_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+ struct pcnet_priv *priv = dev_get_priv(dev);
+
+ pcnet_free_pkt_common(priv, length);
+
+ return 0;
+}
+
+static int pcnet_bind(struct udevice *dev)
+{
+ static int card_number;
+ char name[16];
+
+ sprintf(name, "pcnet#%u", card_number++);
+
+ return device_set_name(dev, name);
+}
+
+static int pcnet_probe(struct udevice *dev)
+{
+ struct eth_pdata *plat = dev_get_platdata(dev);
+ struct pcnet_priv *lp = dev_get_priv(dev);
+ u16 command, status;
+ u32 iobase;
+ int ret;
+
+ dm_pci_read_config32(dev, PCI_BASE_ADDRESS_1, &iobase);
+ iobase &= ~0xf;
+
+ lp->uc = map_physmem((phys_addr_t)&lp->ucp,
+ sizeof(lp->ucp), MAP_NOCACHE);
+ lp->dev = dev;
+ lp->name = dev->name;
+ lp->enetaddr = plat->enetaddr;
+ lp->iobase = (void *)dm_pci_mem_to_phys(dev, iobase);
+
+ flush_dcache_range((unsigned long)lp,
+ (unsigned long)lp + sizeof(*lp));
+
+ command = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ dm_pci_write_config16(dev, PCI_COMMAND, command);
+ dm_pci_read_config16(dev, PCI_COMMAND, &status);
+ if ((status & command) != command) {
+ printf("%s: Couldn't enable IO access or Bus Mastering\n",
+ lp->name);
+ return -EINVAL;
+ }
+
+ dm_pci_write_config8(dev, PCI_LATENCY_TIMER, 0x20);
+
+ ret = pcnet_probe_common(lp);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static const struct eth_ops pcnet_ops = {
+ .start = pcnet_start,
+ .send = pcnet_send,
+ .recv = pcnet_recv,
+ .stop = pcnet_stop,
+ .free_pkt = pcnet_free_pkt,
+};
+
+U_BOOT_DRIVER(eth_pcnet) = {
+ .name = "eth_pcnet",
+ .id = UCLASS_ETH,
+ .bind = pcnet_bind,
+ .probe = pcnet_probe,
+ .ops = &pcnet_ops,
+ .priv_auto_alloc_size = sizeof(struct pcnet_priv),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+ .flags = DM_UC_FLAG_ALLOC_PRIV_DMA,
+};
+
+U_BOOT_PCI_DEVICE(eth_pcnet, supported);
+#endif