On Mon, Apr 11, 2022 at 8:56 PM Marek Vasut marex@denx.de wrote:
Add support for U-Boot DM and DT probing.
Signed-off-by: Marek Vasut marex@denx.de Cc: Joe Hershberger joe.hershberger@ni.com Cc: Ramon Fried rfried.dev@gmail.com
drivers/net/dm9000x.c | 118 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+)
diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c index 84b012ec65d..d63a7c442c9 100644 --- a/drivers/net/dm9000x.c +++ b/drivers/net/dm9000x.c @@ -51,6 +51,7 @@
#include <common.h> #include <command.h> +#include <dm.h> #include <net.h> #include <asm/io.h> #include <linux/delay.h> @@ -73,7 +74,9 @@ struct dm9000_priv { void (*outblk)(struct dm9000_priv *db, void *data_ptr, int count); void (*inblk)(struct dm9000_priv *db, void *data_ptr, int count); void (*rx_status)(struct dm9000_priv *db, u16 *rxstatus, u16 *rxlen); +#ifndef CONFIG_DM_ETH struct eth_device netdev; +#endif phys_addr_t base_io; phys_addr_t base_data; }; @@ -568,6 +571,7 @@ static void dm9000_get_enetaddr(struct dm9000_priv *db, u8 *enetaddr) static void dm9000_get_enetaddr(struct dm9000_priv *db, u8 *enetaddr) {} #endif
+#ifndef CONFIG_DM_ETH static int dm9000_init(struct eth_device *dev, struct bd_info *bd) { struct dm9000_priv *db = container_of(dev, struct dm9000_priv, dev); @@ -625,3 +629,117 @@ int dm9000_initialize(struct bd_info *bis)
return 0;} +#else /* ifdef CONFIG_DM_ETH */ +static int dm9000_start(struct udevice *dev) +{
struct dm9000_priv *db = dev_get_priv(dev);struct eth_pdata *pdata = dev_get_plat(dev);return dm9000_init_common(db, pdata->enetaddr);+}
+static void dm9000_stop(struct udevice *dev) +{
struct dm9000_priv *db = dev_get_priv(dev);dm9000_halt_common(db);+}
+static int dm9000_send(struct udevice *dev, void *packet, int length) +{
struct dm9000_priv *db = dev_get_priv(dev);int ret;ret = dm9000_send_common(db, packet, length);return ret ? 0 : -ETIMEDOUT;+}
+static int dm9000_recv(struct udevice *dev, int flags, uchar **packetp) +{
struct dm9000_priv *db = dev_get_priv(dev);uchar *data = net_rx_packets[0];int ret;ret = dm9000_recv_common(db, data);if (ret)*packetp = (void *)data;return ret ? ret : -EAGAIN;+}
+static int dm9000_write_hwaddr(struct udevice *dev) +{
struct dm9000_priv *db = dev_get_priv(dev);struct eth_pdata *pdata = dev_get_plat(dev);int i, oft;/* fill device MAC address registers */for (i = 0, oft = DM9000_PAR; i < 6; i++, oft++)dm9000_iow(db, oft, pdata->enetaddr[i]);for (i = 0, oft = 0x16; i < 8; i++, oft++)dm9000_iow(db, oft, 0xff);/* read back mac, just to be sure */for (i = 0, oft = 0x10; i < 6; i++, oft++)debug("%02x:", dm9000_ior(db, oft));debug("\n");return 0;+}
+static int dm9000_read_rom_hwaddr(struct udevice *dev) +{
struct dm9000_priv *db = dev_get_priv(dev);struct eth_pdata *pdata = dev_get_plat(dev);dm9000_get_enetaddr(db, pdata->enetaddr);return !is_valid_ethaddr(pdata->enetaddr);+}
+static int dm9000_bind(struct udevice *dev) +{
return device_set_name(dev, dev->name);+}
+static int dm9000_of_to_plat(struct udevice *dev) +{
struct dm9000_priv *db = dev_get_priv(dev);struct eth_pdata *pdata = dev_get_plat(dev);pdata->iobase = dev_read_addr_index(dev, 0);db->base_io = pdata->iobase;db->base_data = dev_read_addr_index(dev, 1);return 0;+}
+static const struct eth_ops dm9000_ops = {
.start = dm9000_start,.stop = dm9000_stop,.send = dm9000_send,.recv = dm9000_recv,.write_hwaddr = dm9000_write_hwaddr,.read_rom_hwaddr = dm9000_read_rom_hwaddr,+};
+static const struct udevice_id dm9000_ids[] = {
{ .compatible = "davicom,dm9000" },{ }+};
+U_BOOT_DRIVER(dm9000) = {
.name = "eth_dm9000",.id = UCLASS_ETH,.of_match = dm9000_ids,.bind = dm9000_bind,.of_to_plat = dm9000_of_to_plat,.ops = &dm9000_ops,.priv_auto = sizeof(struct dm9000_priv),.plat_auto = sizeof(struct eth_pdata),.flags = DM_FLAG_ALLOC_PRIV_DMA,+};
+#endif
2.35.1
Reviewed-by: Ramon Fried rfried.dev@gmail.com