
On 02/16/2018 11:23 PM, Joe Hershberger wrote:
On Wed, Jan 24, 2018 at 4:21 PM, Marek Vasut marek.vasut@gmail.com wrote:
Add DM capable code into the SH ethernet driver and support probing both from DT and pdata. The legacy non-DM, non-DT support is retained as there are still systems in the tree which are not DM or DT capable.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org Cc: Joe Hershberger joe.hershberger@ni.com
drivers/net/sh_eth.c | 268 +++++++++++++++++++++++++++++++++++++++++++++++++++
Shouldn't you also be including the bindings text file?
1 file changed, 268 insertions(+)
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 8442fc9a2f..5a5c6bc39e 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -18,6 +18,13 @@ #include <linux/errno.h> #include <asm/io.h>
+#ifdef CONFIG_DM_ETH +#include <clk.h> +#include <dm.h> +#include <linux/mii.h> +#include <asm/gpio.h> +#endif
#include "sh_eth.h"
#ifndef CONFIG_SH_ETHER_USE_PORT @@ -512,6 +519,7 @@ static int sh_eth_start_common(struct sh_eth_dev *eth) return 0; }
+#ifndef CONFIG_DM_ETH static int sh_eth_phy_config_legacy(struct sh_eth_dev *eth) { int port = eth->port, ret = 0; @@ -666,6 +674,266 @@ err: return ret; }
+#else /* CONFIG_DM_ETH */
+struct sh_ether_priv {
struct sh_eth_dev shdev;
struct mii_dev *bus;
void __iomem *iobase;
struct clk clk;
struct gpio_desc reset_gpio;
+};
+static int sh_ether_send(struct udevice *dev, void *packet, int len) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct sh_eth_dev *eth = &priv->shdev;
return sh_eth_send_common(eth, packet, len);
+}
+static int sh_ether_recv(struct udevice *dev, int flags, uchar **packetp) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct sh_eth_dev *eth = &priv->shdev;
struct sh_eth_info *port_info = ð->port_info[eth->port];
uchar *packet = (uchar *)ADDR_TO_P2(port_info->rx_desc_cur->rd2);
int len;
len = sh_eth_recv_start(eth);
if (len > 0) {
invalidate_cache(packet, len);
*packetp = packet;
return len;
} else {
len = 0;
/* Restart the receiver if disabled */
if (!(sh_eth_read(port_info, EDRRR) & EDRRR_R))
sh_eth_write(port_info, EDRRR_R, EDRRR);
return -EAGAIN;
}
+}
+static int sh_ether_free_pkt(struct udevice *dev, uchar *packet, int length) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct sh_eth_dev *eth = &priv->shdev;
struct sh_eth_info *port_info = ð->port_info[eth->port];
sh_eth_recv_finish(eth);
/* Restart the receiver if disabled */
if (!(sh_eth_read(port_info, EDRRR) & EDRRR_R))
sh_eth_write(port_info, EDRRR_R, EDRRR);
return 0;
+}
+static int sh_ether_write_hwaddr(struct udevice *dev) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct sh_eth_dev *eth = &priv->shdev;
struct sh_eth_info *port_info = ð->port_info[eth->port];
struct eth_pdata *pdata = dev_get_platdata(dev);
sh_eth_write_hwaddr(port_info, pdata->enetaddr);
return 0;
+}
+static int sh_eth_phy_config(struct udevice *dev) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_platdata(dev);
struct sh_eth_dev *eth = &priv->shdev;
int port = eth->port, ret = 0;
struct sh_eth_info *port_info = ð->port_info[port];
struct phy_device *phydev;
int mask = 0xffffffff;
phydev = phy_find_by_mask(priv->bus, mask, pdata->phy_interface);
if (!phydev)
return -ENODEV;
phy_connect_dev(phydev, dev);
port_info->phydev = phydev;
phy_config(phydev);
return ret;
+}
+static int sh_ether_start(struct udevice *dev) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_platdata(dev);
struct sh_eth_dev *eth = &priv->shdev;
int ret;
ret = clk_enable(&priv->clk);
if (ret)
return ret;
ret = sh_eth_init_common(eth, pdata->enetaddr);
if (ret)
goto err_clk;
ret = sh_eth_phy_config(dev);
if (ret) {
printf(SHETHER_NAME ": phy config timeout\n");
goto err_start;
}
ret = sh_eth_start_common(eth);
if (ret)
goto err_start;
return 0;
+err_start:
sh_eth_tx_desc_free(eth);
sh_eth_rx_desc_free(eth);
+err_clk:
clk_disable(&priv->clk);
return ret;
+}
+static void sh_ether_stop(struct udevice *dev) +{
struct sh_ether_priv *priv = dev_get_priv(dev);
sh_eth_stop(&priv->shdev);
clk_disable(&priv->clk);
+}
+static int sh_ether_probe(struct udevice *udev) +{
struct eth_pdata *pdata = dev_get_platdata(udev);
struct sh_ether_priv *priv = dev_get_priv(udev);
struct sh_eth_dev *eth = &priv->shdev;
struct mii_dev *mdiodev;
void __iomem *iobase;
int ret;
iobase = map_physmem(pdata->iobase, 0x1000, MAP_NOCACHE);
What's the magic number here? Shouldn't it be a #define?
Since this stuff is already in, I sent a patchset addressing the feedback.