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-rw-r--r--drivers/net/mscc_eswitch/Makefile2
-rw-r--r--drivers/net/mscc_eswitch/mscc_miim.c74
-rw-r--r--drivers/net/mscc_eswitch/mscc_miim.h12
-rw-r--r--drivers/net/mscc_eswitch/ocelot_switch.c71
4 files changed, 88 insertions, 71 deletions
diff --git a/drivers/net/mscc_eswitch/Makefile b/drivers/net/mscc_eswitch/Makefile
index 32f411dd92..1ceb92a32e 100644
--- a/drivers/net/mscc_eswitch/Makefile
+++ b/drivers/net/mscc_eswitch/Makefile
@@ -1,2 +1,2 @@
-obj-$(CONFIG_MSCC_OCELOT_SWITCH) += ocelot_switch.o
+obj-$(CONFIG_MSCC_OCELOT_SWITCH) += ocelot_switch.o mscc_miim.o
diff --git a/drivers/net/mscc_eswitch/mscc_miim.c b/drivers/net/mscc_eswitch/mscc_miim.c
new file mode 100644
index 0000000000..419dcc1dd6
--- /dev/null
+++ b/drivers/net/mscc_eswitch/mscc_miim.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#include <miiphy.h>
+#include <wait_bit.h>
+#include "mscc_miim.h"
+
+#define MIIM_STATUS 0x0
+#define MIIM_STAT_BUSY BIT(3)
+#define MIIM_CMD 0x8
+#define MIIM_CMD_SCAN BIT(0)
+#define MIIM_CMD_OPR_WRITE BIT(1)
+#define MIIM_CMD_OPR_READ BIT(2)
+#define MIIM_CMD_SINGLE_SCAN BIT(3)
+#define MIIM_CMD_WRDATA(x) ((x) << 4)
+#define MIIM_CMD_REGAD(x) ((x) << 20)
+#define MIIM_CMD_PHYAD(x) ((x) << 25)
+#define MIIM_CMD_VLD BIT(31)
+#define MIIM_DATA 0xC
+#define MIIM_DATA_ERROR (0x2 << 16)
+
+static int mscc_miim_wait_ready(struct mscc_miim_dev *miim)
+{
+ return wait_for_bit_le32(miim->regs + MIIM_STATUS, MIIM_STAT_BUSY,
+ false, 250, false);
+}
+
+int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg)
+{
+ struct mscc_miim_dev *miim = (struct mscc_miim_dev *)bus->priv;
+ u32 val;
+ int ret;
+
+ ret = mscc_miim_wait_ready(miim);
+ if (ret)
+ goto out;
+
+ writel(MIIM_CMD_VLD | MIIM_CMD_PHYAD(addr) |
+ MIIM_CMD_REGAD(reg) | MIIM_CMD_OPR_READ,
+ miim->regs + MIIM_CMD);
+
+ ret = mscc_miim_wait_ready(miim);
+ if (ret)
+ goto out;
+
+ val = readl(miim->regs + MIIM_DATA);
+ if (val & MIIM_DATA_ERROR) {
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = val & 0xFFFF;
+ out:
+ return ret;
+}
+
+int mscc_miim_write(struct mii_dev *bus, int addr, int devad, int reg,
+ u16 val)
+{
+ struct mscc_miim_dev *miim = (struct mscc_miim_dev *)bus->priv;
+ int ret;
+
+ ret = mscc_miim_wait_ready(miim);
+ if (ret < 0)
+ goto out;
+
+ writel(MIIM_CMD_VLD | MIIM_CMD_PHYAD(addr) |
+ MIIM_CMD_REGAD(reg) | MIIM_CMD_WRDATA(val) |
+ MIIM_CMD_OPR_WRITE, miim->regs + MIIM_CMD);
+ out:
+ return ret;
+}
diff --git a/drivers/net/mscc_eswitch/mscc_miim.h b/drivers/net/mscc_eswitch/mscc_miim.h
new file mode 100644
index 0000000000..0e5d5e3c81
--- /dev/null
+++ b/drivers/net/mscc_eswitch/mscc_miim.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+struct mscc_miim_dev {
+ void __iomem *regs;
+ void __iomem *phy_regs;
+};
+
+int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg);
+int mscc_miim_write(struct mii_dev *bus, int addr, int devad, int reg, u16 val);
diff --git a/drivers/net/mscc_eswitch/ocelot_switch.c b/drivers/net/mscc_eswitch/ocelot_switch.c
index 9fed26cd94..a4361e8155 100644
--- a/drivers/net/mscc_eswitch/ocelot_switch.c
+++ b/drivers/net/mscc_eswitch/ocelot_switch.c
@@ -15,19 +15,7 @@
#include <net.h>
#include <wait_bit.h>
-#define MIIM_STATUS 0x0
-#define MIIM_STAT_BUSY BIT(3)
-#define MIIM_CMD 0x8
-#define MIIM_CMD_SCAN BIT(0)
-#define MIIM_CMD_OPR_WRITE BIT(1)
-#define MIIM_CMD_OPR_READ BIT(2)
-#define MIIM_CMD_SINGLE_SCAN BIT(3)
-#define MIIM_CMD_WRDATA(x) ((x) << 4)
-#define MIIM_CMD_REGAD(x) ((x) << 20)
-#define MIIM_CMD_PHYAD(x) ((x) << 25)
-#define MIIM_CMD_VLD BIT(31)
-#define MIIM_DATA 0xC
-#define MIIM_DATA_ERROR (0x2 << 16)
+#include "mscc_miim.h"
#define PHY_CFG 0x0
#define PHY_CFG_ENA 0xF
@@ -193,19 +181,8 @@ struct ocelot_private {
void *tx_adj_buf;
};
-struct mscc_miim_dev {
- void __iomem *regs;
- void __iomem *phy_regs;
-};
-
struct mscc_miim_dev miim[NUM_PHY];
-static int mscc_miim_wait_ready(struct mscc_miim_dev *miim)
-{
- return wait_for_bit_le32(miim->regs + MIIM_STATUS, MIIM_STAT_BUSY,
- false, 250, false);
-}
-
static int mscc_miim_reset(struct mii_dev *bus)
{
struct mscc_miim_dev *miim = (struct mscc_miim_dev *)bus->priv;
@@ -220,52 +197,6 @@ static int mscc_miim_reset(struct mii_dev *bus)
return 0;
}
-static int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg)
-{
- struct mscc_miim_dev *miim = (struct mscc_miim_dev *)bus->priv;
- u32 val;
- int ret;
-
- ret = mscc_miim_wait_ready(miim);
- if (ret)
- goto out;
-
- writel(MIIM_CMD_VLD | MIIM_CMD_PHYAD(addr) |
- MIIM_CMD_REGAD(reg) | MIIM_CMD_OPR_READ,
- miim->regs + MIIM_CMD);
-
- ret = mscc_miim_wait_ready(miim);
- if (ret)
- goto out;
-
- val = readl(miim->regs + MIIM_DATA);
- if (val & MIIM_DATA_ERROR) {
- ret = -EIO;
- goto out;
- }
-
- ret = val & 0xFFFF;
- out:
- return ret;
-}
-
-static int mscc_miim_write(struct mii_dev *bus, int addr, int devad, int reg,
- u16 val)
-{
- struct mscc_miim_dev *miim = (struct mscc_miim_dev *)bus->priv;
- int ret;
-
- ret = mscc_miim_wait_ready(miim);
- if (ret < 0)
- goto out;
-
- writel(MIIM_CMD_VLD | MIIM_CMD_PHYAD(addr) |
- MIIM_CMD_REGAD(reg) | MIIM_CMD_WRDATA(val) |
- MIIM_CMD_OPR_WRITE, miim->regs + MIIM_CMD);
- out:
- return ret;
-}
-
/* For now only setup the internal mdio bus */
static struct mii_dev *ocelot_mdiobus_init(struct udevice *dev)
{
generated by cgit (git 2.34.1) at 2024-12-29 01:11:48 +0000