On Wed, Jun 27, 2018 at 5:06 AM, Chris Packham judge.packham@gmail.com wrote:
Add driver model support to the mvgbe driver. As a temporary measure both DM and non-DM uses are supported. Once all the users have been converted the non-DM support can be dropped.
Signed-off-by: Chris Packham judge.packham@gmail.com
drivers/net/mvgbe.c | 201 +++++++++++++++++++++++++++++++++++++++++++- drivers/net/mvgbe.h | 16 ++++ 2 files changed, 213 insertions(+), 4 deletions(-)
diff --git a/drivers/net/mvgbe.c b/drivers/net/mvgbe.c index 96ca35512f01..bddf2bc29aac 100644 --- a/drivers/net/mvgbe.c +++ b/drivers/net/mvgbe.c @@ -12,6 +12,7 @@ */
#include <common.h> +#include <dm.h> #include <net.h> #include <malloc.h> #include <miiphy.h> @@ -127,8 +128,12 @@ static int __mvgbe_mdio_read(struct mvgbe_device *dmvgbe, int phy_adr, static int smi_reg_read(struct mii_dev *bus, int phy_adr, int devad, int reg_ofs) { +#ifdef CONFIG_DM_ETH
struct mvgbe_device *dmvgbe = bus->priv;+#else struct eth_device *dev = eth_get_dev_by_name(bus->name); struct mvgbe_device *dmvgbe = to_mvgbe(dev); +#endif
return __mvgbe_mdio_read(dmvgbe, phy_adr, devad, reg_ofs);} @@ -180,8 +185,12 @@ static int __mvgbe_mdio_write(struct mvgbe_device *dmvgbe, int phy_adr, static int smi_reg_write(struct mii_dev *bus, int phy_adr, int devad, int reg_ofs, u16 data) { +#ifdef CONFIG_DM_ETH
struct mvgbe_device *dmvgbe = bus->priv;+#else struct eth_device *dev = eth_get_dev_by_name(bus->name); struct mvgbe_device *dmvgbe = to_mvgbe(dev); +#endif
return __mvgbe_mdio_write(dmvgbe, phy_adr, devad, reg_ofs, data);} @@ -415,11 +424,12 @@ static void mvgbe_init_rx_desc_ring(struct mvgbe_device *dmvgbe) dmvgbe->p_rxdesc_curr = dmvgbe->p_rxdesc; }
-static int __mvgbe_init(struct mvgbe_device *dmvgbe) +static int __mvgbe_init(struct mvgbe_device *dmvgbe, u8 *enetaddr) { struct mvgbe_registers *regs = dmvgbe->regs; #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \ !defined(CONFIG_PHYLIB) && \
!defined(CONFIG_DM_ETH) && \ defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) int i;#endif @@ -436,7 +446,7 @@ static int __mvgbe_init(struct mvgbe_device *dmvgbe)
set_dram_access(regs); port_init_mac_tables(regs);
port_uc_addr_set(dmvgbe, dmvgbe->dev.enetaddr);
port_uc_addr_set(dmvgbe, enetaddr); /* Assign port configuration and command. */ MVGBE_REG_WR(regs->pxc, PRT_CFG_VAL);@@ -473,6 +483,7 @@ static int __mvgbe_init(struct mvgbe_device *dmvgbe)
#if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \ !defined(CONFIG_PHYLIB) && \
!defined(CONFIG_DM_ETH) && \ defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) /* Wait up to 5s for the link status */ for (i = 0; i < 5; i++) {@@ -492,12 +503,14 @@ static int __mvgbe_init(struct mvgbe_device *dmvgbe) return 0; }
+#ifndef CONFIG_DM_ETH static int mvgbe_init(struct eth_device *dev) { struct mvgbe_device *dmvgbe = to_mvgbe(dev);
return __mvgbe_init(dmvgbe);
return __mvgbe_init(dmvgbe, dmvgbe->dev.enetaddr);} +#endif
static void __mvgbe_halt(struct mvgbe_device *dmvgbe) { @@ -524,6 +537,7 @@ static void __mvgbe_halt(struct mvgbe_device *dmvgbe) MVGBE_REG_WR(regs->peim, 0); }
+#ifndef CONFIG_DM_ETH static int mvgbe_halt(struct eth_device *dev) { struct mvgbe_device *dmvgbe = to_mvgbe(dev); @@ -532,7 +546,18 @@ static int mvgbe_halt(struct eth_device *dev)
return 0;} +#endif
+#ifdef CONFIG_DM_ETH +static int mvgbe_write_hwaddr(struct udevice *dev) +{
struct eth_pdata *pdata = dev_get_platdata(dev);port_uc_addr_set(dev_get_priv(dev), pdata->enetaddr);return 0;+} +#else static int mvgbe_write_hwaddr(struct eth_device *dev) { struct mvgbe_device *dmvgbe = to_mvgbe(dev); @@ -541,6 +566,7 @@ static int mvgbe_write_hwaddr(struct eth_device *dev) port_uc_addr_set(dmvgbe, dmvgbe->dev.enetaddr); return 0; } +#endif
static int __mvgbe_send(struct mvgbe_device *dmvgbe, void *dataptr, int datasize) @@ -597,12 +623,14 @@ static int __mvgbe_send(struct mvgbe_device *dmvgbe, void *dataptr, return 0; }
+#ifndef CONFIG_DM_ETH static int mvgbe_send(struct eth_device *dev, void *dataptr, int datasize) { struct mvgbe_device *dmvgbe = to_mvgbe(dev);
return __mvgbe_send(dmvgbe, dataptr, datasize);} +#endif
static int __mvgbe_recv(struct mvgbe_device *dmvgbe, uchar **packetp) { @@ -677,6 +705,7 @@ static int __mvgbe_recv(struct mvgbe_device *dmvgbe, uchar **packetp) return rx_bytes; }
+#ifndef CONFIG_DM_ETH static int mvgbe_recv(struct eth_device *dev) { struct mvgbe_device *dmvgbe = to_mvgbe(dev); @@ -691,8 +720,9 @@ static int mvgbe_recv(struct eth_device *dev)
return 0;} +#endif
-#if defined(CONFIG_PHYLIB) +#if defined(CONFIG_PHYLIB) && !defined(CONFIG_DM_ETH) int mvgbe_phylib_init(struct eth_device *dev, int phyid) { struct mii_dev *bus; @@ -731,6 +761,7 @@ int mvgbe_phylib_init(struct eth_device *dev, int phyid) } #endif
+#ifndef CONFIG_DM_ETH int mvgbe_initialize(bd_t *bis) { struct mvgbe_device *dmvgbe; @@ -834,3 +865,165 @@ error1: } return 0; } +#endif
+#ifdef CONFIG_DM_ETH +static int mvgbe_port_is_fixed_link(struct mvgbe_device *dmvgbe) +{
return dmvgbe->phyaddr > PHY_MAX_ADDR;+}
+static int mvgbe_start(struct udevice *dev) +{
struct eth_pdata *pdata = dev_get_platdata(dev);struct mvgbe_device *dmvgbe = dev_get_priv(dev);struct phy_device *phydev;int ret;ret = __mvgbe_init(dmvgbe, pdata->enetaddr);if (ret)return ret;if (!mvgbe_port_is_fixed_link(dmvgbe)) {/* Set phy address of the port */miiphy_write(dev->name, MV_PHY_ADR_REQUEST, MV_PHY_ADR_REQUEST,dmvgbe->phyaddr);phydev = phy_connect(dmvgbe->bus, dmvgbe->phyaddr, dev,dmvgbe->phy_interface);if (!phydev) {printf("phy_connect failed\n");return -ENODEV;}phy_config(phydev);phy_startup(phydev);}
Please use a helper function to consolidate this with mvgbe_phylib_init().
return 0;+}
+static int mvgbe_send(struct udevice *dev, void *packet, int length) +{
struct mvgbe_device *dmvgbe = dev_get_priv(dev);return __mvgbe_send(dmvgbe, packet, length);+}
+static int mvgbe_recv(struct udevice *dev, int flags, uchar **packetp) +{
struct mvgbe_device *dmvgbe = dev_get_priv(dev);return __mvgbe_recv(dmvgbe, packetp);+}
+static void mvgbe_stop(struct udevice *dev) +{
struct mvgbe_device *dmvgbe = dev_get_priv(dev);__mvgbe_halt(dmvgbe);+}
+static int mvgbe_probe(struct udevice *dev) +{
struct eth_pdata *pdata = dev_get_platdata(dev);struct mvgbe_device *dmvgbe = dev_get_priv(dev);void *blob = (void *)gd->fdt_blob;int node = dev_of_offset(dev);struct mii_dev *bus;unsigned long addr;int ret;int fl_node;dmvgbe->p_rxdesc =(struct mvgbe_rxdesc *)memalign(PKTALIGN,MV_RXQ_DESC_ALIGNED_SIZE * RINGSZ + 1);dmvgbe->p_rxbuf = (u8 *)memalign(PKTALIGN,RINGSZ * PKTSIZE_ALIGN + 1);dmvgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN);dmvgbe->p_txdesc = (struct mvgbe_txdesc *)memalign(PKTALIGN, sizeof(struct mvgbe_txdesc) + 1);
Please use a helper function to consolidate this setup between probe and mvgbe_initialize().
dmvgbe->regs = (void __iomem *)pdata->iobase;/* PHY interface is already decoded in mvneta_ofdata_to_platdata() */dmvgbe->phy_interface = pdata->phy_interface;/* fetch 'fixed-link' property from 'neta' node */fl_node = fdt_subnode_offset(blob, node, "fixed-link");if (fl_node != -FDT_ERR_NOTFOUND) {/* set phy_addr to invalid value for fixed link */dmvgbe->phyaddr = PHY_MAX_ADDR + 1;dmvgbe->duplex = fdtdec_get_bool(blob, fl_node, "full-duplex");dmvgbe->speed = fdtdec_get_int(blob, fl_node, "speed", 0);} else {/* Now read phyaddr from DT */addr = fdtdec_get_int(blob, node, "phy", 0);addr = fdt_node_offset_by_phandle(blob, addr);dmvgbe->phyaddr = fdtdec_get_int(blob, addr, "reg", 0);}
I think this stuff reading from the DT should be in mvgbe_ofdata_to_platdata().
bus = mdio_alloc();if (!bus) {printf("Failed to allocate MDIO bus\n");return -ENOMEM;}bus->read = smi_reg_read;bus->write = smi_reg_write;snprintf(bus->name, sizeof(bus->name), dev->name);bus->priv = dmvgbe;dmvgbe->bus = bus;ret = mdio_register(bus);if (ret < 0)return ret;return 0;+}
+static const struct eth_ops mvgbe_ops = {
.start = mvgbe_start,.send = mvgbe_send,.recv = mvgbe_recv,.stop = mvgbe_stop,.write_hwaddr = mvgbe_write_hwaddr,+};
+static int mvgbe_ofdata_to_platdata(struct udevice *dev) +{
struct eth_pdata *pdata = dev_get_platdata(dev);const char *phy_mode;pdata->iobase = devfdt_get_addr(dev);/* Get phy-mode / phy_interface from DT */pdata->phy_interface = -1;phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode",NULL);if (phy_mode)pdata->phy_interface = phy_get_interface_by_name(phy_mode);if (pdata->phy_interface == -1) {debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);return -EINVAL;}return 0;+}
+static const struct udevice_id mvgbe_ids[] = {
{ .compatible = "marvell,kirkwood-eth" },{ }+};
+U_BOOT_DRIVER(mvgbe) = {
.name = "mvgbe",.id = UCLASS_ETH,.of_match = mvgbe_ids,.ofdata_to_platdata = mvgbe_ofdata_to_platdata,.probe = mvgbe_probe,.ops = &mvgbe_ops,.priv_auto_alloc_size = sizeof(struct mvgbe_device),.platdata_auto_alloc_size = sizeof(struct eth_pdata),+}; +#endif /* CONFIG_DM_ETH */ diff --git a/drivers/net/mvgbe.h b/drivers/net/mvgbe.h index 1dc9bbea2f42..44541c0a85e3 100644 --- a/drivers/net/mvgbe.h +++ b/drivers/net/mvgbe.h @@ -30,7 +30,9 @@ #define RXUQ 0 /* Used Rx queue */ #define TXUQ 0 /* Used Rx queue */
+#ifndef CONFIG_DM_ETH #define to_mvgbe(_d) container_of(_d, struct mvgbe_device, dev) +#endif #define MVGBE_REG_WR(adr, val) writel(val, &adr) #define MVGBE_REG_RD(adr) readl(&adr) #define MVGBE_REG_BITS_RESET(adr, val) writel(readl(&adr) & ~(val), &adr) @@ -479,13 +481,27 @@ struct mvgbe_txdesc {
/* port device data struct */ struct mvgbe_device { +#ifndef CONFIG_DM_ETH struct eth_device dev; +#endif struct mvgbe_registers *regs; struct mvgbe_txdesc *p_txdesc; struct mvgbe_rxdesc *p_rxdesc; struct mvgbe_rxdesc *p_rxdesc_curr; u8 *p_rxbuf; u8 *p_aligned_txbuf;
+#ifdef CONFIG_DM_ETH
phy_interface_t phy_interface;unsigned int link;unsigned int duplex;unsigned int speed;int init;int phyaddr;struct phy_device *phydev;struct mii_dev *bus;+#endif };
#endif /* __MVGBE_H__ */
2.18.0
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