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Date: Tue, 12 Nov 2019 14:44:10 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: jakub.kicinski@...ronome.com, davem@...emloft.net,
alexandre.belloni@...tlin.com
Cc: andrew@...n.ch, f.fainelli@...il.com, vivien.didelot@...il.com,
joergen.andreasen@...rochip.com, allan.nielsen@...rochip.com,
horatiu.vultur@...rochip.com, claudiu.manoil@....com,
netdev@...r.kernel.org, Vladimir Oltean <vladimir.oltean@....com>
Subject: [PATCH net-next 02/12] net: mscc: ocelot: filter out ocelot SoC specific PCS config from common path
From: Claudiu Manoil <claudiu.manoil@....com>
The adjust_link routine should be generic enough to be (re)used by
any SoC that integrates a switch core compatible with the Ocelot
core switch driver. Currently all configurations are generic except
for the PCS settings that are SoC specific. Move these out to the
Ocelot SoC/board instance.
Signed-off-by: Claudiu Manoil <claudiu.manoil@....com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
drivers/net/ethernet/mscc/ocelot.c | 19 ++--------------
drivers/net/ethernet/mscc/ocelot.h | 8 ++++++-
drivers/net/ethernet/mscc/ocelot_board.c | 29 +++++++++++++++++++++++-
drivers/net/ethernet/mscc/ocelot_regs.c | 4 ++--
4 files changed, 39 insertions(+), 21 deletions(-)
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index 3e7a2796c37d..2b6792ab0eda 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -455,23 +455,8 @@ static void ocelot_adjust_link(struct ocelot *ocelot, int port,
ocelot_port_writel(ocelot_port, DEV_MAC_HDX_CFG_LATE_COL_POS(67),
DEV_MAC_HDX_CFG);
- /* Disable HDX fast control */
- ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS,
- DEV_PORT_MISC);
-
- /* SGMII only for now */
- ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA,
- PCS1G_MODE_CFG);
- ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG);
-
- /* Enable PCS */
- ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG);
-
- /* No aneg on SGMII */
- ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG);
-
- /* No loopback */
- ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG);
+ if (ocelot->ops->pcs_init)
+ ocelot->ops->pcs_init(ocelot, port);
/* Set Max Length and maximum tags allowed */
ocelot_port_writel(ocelot_port, VLAN_ETH_FRAME_LEN,
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
index b5802cea7cc4..7e28434c22c1 100644
--- a/drivers/net/ethernet/mscc/ocelot.h
+++ b/drivers/net/ethernet/mscc/ocelot.h
@@ -435,13 +435,19 @@ enum ocelot_tag_prefix {
};
struct ocelot_port;
+struct ocelot;
struct ocelot_stat_layout {
u32 offset;
char name[ETH_GSTRING_LEN];
};
+struct ocelot_ops {
+ void (*pcs_init)(struct ocelot *ocelot, int port);
+};
+
struct ocelot {
+ const struct ocelot_ops *ops;
struct device *dev;
struct regmap *targets[TARGET_MAX];
@@ -553,7 +559,7 @@ struct regmap *ocelot_regmap_init(struct ocelot *ocelot, struct resource *res);
int ocelot_init(struct ocelot *ocelot);
void ocelot_deinit(struct ocelot *ocelot);
-int ocelot_chip_init(struct ocelot *ocelot);
+int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops);
int ocelot_probe_port(struct ocelot *ocelot, u8 port,
void __iomem *regs,
struct phy_device *phy);
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index ddb34f17fa52..de2da6d33d43 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -254,6 +254,33 @@ static const struct of_device_id mscc_ocelot_match[] = {
};
MODULE_DEVICE_TABLE(of, mscc_ocelot_match);
+static void ocelot_port_pcs_init(struct ocelot *ocelot, int port)
+{
+ struct ocelot_port *ocelot_port = ocelot->ports[port];
+
+ /* Disable HDX fast control */
+ ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS,
+ DEV_PORT_MISC);
+
+ /* SGMII only for now */
+ ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA,
+ PCS1G_MODE_CFG);
+ ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG);
+
+ /* Enable PCS */
+ ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG);
+
+ /* No aneg on SGMII */
+ ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG);
+
+ /* No loopback */
+ ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG);
+}
+
+static const struct ocelot_ops ocelot_ops = {
+ .pcs_init = ocelot_port_pcs_init,
+};
+
static int mscc_ocelot_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -315,7 +342,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
ocelot->targets[HSIO] = hsio;
- err = ocelot_chip_init(ocelot);
+ err = ocelot_chip_init(ocelot, &ocelot_ops);
if (err)
return err;
diff --git a/drivers/net/ethernet/mscc/ocelot_regs.c b/drivers/net/ethernet/mscc/ocelot_regs.c
index e59977d20400..d715a924108b 100644
--- a/drivers/net/ethernet/mscc/ocelot_regs.c
+++ b/drivers/net/ethernet/mscc/ocelot_regs.c
@@ -423,7 +423,7 @@ static void ocelot_pll5_init(struct ocelot *ocelot)
HSIO_PLL5G_CFG2_AMPC_SEL(0x10));
}
-int ocelot_chip_init(struct ocelot *ocelot)
+int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops)
{
int ret;
@@ -431,6 +431,7 @@ int ocelot_chip_init(struct ocelot *ocelot)
ocelot->stats_layout = ocelot_stats_layout;
ocelot->num_stats = ARRAY_SIZE(ocelot_stats_layout);
ocelot->shared_queue_sz = 224 * 1024;
+ ocelot->ops = ops;
ret = ocelot_regfields_init(ocelot, ocelot_regfields);
if (ret)
@@ -443,4 +444,3 @@ int ocelot_chip_init(struct ocelot *ocelot)
return 0;
}
-EXPORT_SYMBOL(ocelot_chip_init);
--
2.17.1
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