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Message-ID: <1607085261-25255-2-git-send-email-claudiu.beznea@microchip.com>
Date: Fri, 4 Dec 2020 14:34:15 +0200
From: Claudiu Beznea <claudiu.beznea@...rochip.com>
To: <davem@...emloft.net>, <kuba@...nel.org>, <robh+dt@...nel.org>,
<nicolas.ferre@...rochip.com>, <linux@...linux.org.uk>,
<paul.walmsley@...ive.com>, <palmer@...belt.com>
CC: <yash.shah@...ive.com>, <netdev@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-riscv@...ts.infradead.org>,
Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH 1/7] net: macb: add userio bits as platform configuration
This is necessary for SAMA7G5 as it uses different values for
PHY interface and also introduces hdfctlen bit.
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
drivers/net/ethernet/cadence/macb.h | 10 ++++++++++
drivers/net/ethernet/cadence/macb_main.c | 28 ++++++++++++++++++++++++----
2 files changed, 34 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 1f5da4e4f4b2..7daabffe4318 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -1147,6 +1147,14 @@ struct macb_pm_data {
u32 usrio;
};
+struct macb_usrio_config {
+ u32 mii;
+ u32 rmii;
+ u32 rgmii;
+ u32 refclk;
+ u32 hdfctlen;
+};
+
struct macb_config {
u32 caps;
unsigned int dma_burst_length;
@@ -1155,6 +1163,7 @@ struct macb_config {
struct clk **rx_clk, struct clk **tsu_clk);
int (*init)(struct platform_device *pdev);
int jumbo_max_len;
+ const struct macb_usrio_config *usrio;
};
struct tsu_incr {
@@ -1288,6 +1297,7 @@ struct macb {
u32 rx_intr_mask;
struct macb_pm_data pm_data;
+ const struct macb_usrio_config *usrio;
};
#ifdef CONFIG_MACB_USE_HWSTAMP
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 7b1d195787dc..6d46153a7c4b 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3913,15 +3913,15 @@ static int macb_init(struct platform_device *pdev)
if (!(bp->caps & MACB_CAPS_USRIO_DISABLED)) {
val = 0;
if (phy_interface_mode_is_rgmii(bp->phy_interface))
- val = GEM_BIT(RGMII);
+ val = bp->usrio->rgmii;
else if (bp->phy_interface == PHY_INTERFACE_MODE_RMII &&
(bp->caps & MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII))
- val = MACB_BIT(RMII);
+ val = bp->usrio->rmii;
else if (!(bp->caps & MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII))
- val = MACB_BIT(MII);
+ val = bp->usrio->mii;
if (bp->caps & MACB_CAPS_USRIO_HAS_CLKEN)
- val |= MACB_BIT(CLKEN);
+ val |= bp->usrio->refclk;
macb_or_gem_writel(bp, USRIO, val);
}
@@ -4439,6 +4439,13 @@ static int fu540_c000_init(struct platform_device *pdev)
return macb_init(pdev);
}
+static const struct macb_usrio_config macb_default_usrio = {
+ .mii = MACB_BIT(MII),
+ .rmii = MACB_BIT(RMII),
+ .rgmii = GEM_BIT(RGMII),
+ .refclk = MACB_BIT(CLKEN),
+};
+
static const struct macb_config fu540_c000_config = {
.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO |
MACB_CAPS_GEM_HAS_PTP,
@@ -4446,12 +4453,14 @@ static const struct macb_config fu540_c000_config = {
.clk_init = fu540_c000_clk_init,
.init = fu540_c000_init,
.jumbo_max_len = 10240,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config at91sam9260_config = {
.caps = MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config sama5d3macb_config = {
@@ -4459,6 +4468,7 @@ static const struct macb_config sama5d3macb_config = {
| MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config pc302gem_config = {
@@ -4466,6 +4476,7 @@ static const struct macb_config pc302gem_config = {
.dma_burst_length = 16,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config sama5d2_config = {
@@ -4473,6 +4484,7 @@ static const struct macb_config sama5d2_config = {
.dma_burst_length = 16,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config sama5d3_config = {
@@ -4482,6 +4494,7 @@ static const struct macb_config sama5d3_config = {
.clk_init = macb_clk_init,
.init = macb_init,
.jumbo_max_len = 10240,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config sama5d4_config = {
@@ -4489,18 +4502,21 @@ static const struct macb_config sama5d4_config = {
.dma_burst_length = 4,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config emac_config = {
.caps = MACB_CAPS_NEEDS_RSTONUBR | MACB_CAPS_MACB_IS_EMAC,
.clk_init = at91ether_clk_init,
.init = at91ether_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config np4_config = {
.caps = MACB_CAPS_USRIO_DISABLED,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config zynqmp_config = {
@@ -4511,6 +4527,7 @@ static const struct macb_config zynqmp_config = {
.clk_init = macb_clk_init,
.init = macb_init,
.jumbo_max_len = 10240,
+ .usrio = &macb_default_usrio,
};
static const struct macb_config zynq_config = {
@@ -4519,6 +4536,7 @@ static const struct macb_config zynq_config = {
.dma_burst_length = 16,
.clk_init = macb_clk_init,
.init = macb_init,
+ .usrio = &macb_default_usrio,
};
static const struct of_device_id macb_dt_ids[] = {
@@ -4640,6 +4658,8 @@ static int macb_probe(struct platform_device *pdev)
bp->wol |= MACB_WOL_HAS_MAGIC_PACKET;
device_set_wakeup_capable(&pdev->dev, bp->wol & MACB_WOL_HAS_MAGIC_PACKET);
+ bp->usrio = macb_config->usrio;
+
spin_lock_init(&bp->lock);
/* setup capabilities */
--
2.7.4
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