From: Peng Fan <peng.fan@nxp.com>
Date: Tue, 26 Jul 2022 08:41:15 +0000 (+0800)
Subject: net: dwc_eth_qos: move i.MX code out
X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B%20.Permalink%20%7D%7D?a=commitdiff_plain;h=5fc783b5d9c9;p=u-boot.git

net: dwc_eth_qos: move i.MX code out

Move i.MX code to a standalone file to make it easy for adding new
platform support

Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---

diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 69fb3bbbf7..9536af1194 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_DM_ETH_PHY) += eth-phy-uclass.o
 obj-$(CONFIG_DRIVER_DM9000) += dm9000x.o
 obj-$(CONFIG_DSA_SANDBOX) += dsa_sandbox.o
 obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o
+obj-$(CONFIG_DWC_ETH_QOS_IMX) += dwc_eth_qos_imx.o
 obj-$(CONFIG_E1000) += e1000.o
 obj-$(CONFIG_E1000_SPI) += e1000_spi.o
 obj-$(CONFIG_EEPRO100) += eepro100.o
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index b69a9feb82..1f24f5cb0c 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -506,20 +506,6 @@ static ulong eqos_get_tick_clk_rate_stm32(struct udevice *dev)
 #endif
 }
 
-__weak u32 imx_get_eqos_csr_clk(void)
-{
-	return 100 * 1000000;
-}
-__weak int imx_eqos_txclk_set_rate(unsigned long rate)
-{
-	return 0;
-}
-
-static ulong eqos_get_tick_clk_rate_imx(struct udevice *dev)
-{
-	return imx_get_eqos_csr_clk();
-}
-
 static int eqos_set_full_duplex(struct udevice *dev)
 {
 	struct eqos_priv *eqos = dev_get_priv(dev);
@@ -616,38 +602,6 @@ static int eqos_set_tx_clk_speed_tegra186(struct udevice *dev)
 	return 0;
 }
 
-static int eqos_set_tx_clk_speed_imx(struct udevice *dev)
-{
-	struct eqos_priv *eqos = dev_get_priv(dev);
-	ulong rate;
-	int ret;
-
-	debug("%s(dev=%p):\n", __func__, dev);
-
-	switch (eqos->phy->speed) {
-	case SPEED_1000:
-		rate = 125 * 1000 * 1000;
-		break;
-	case SPEED_100:
-		rate = 25 * 1000 * 1000;
-		break;
-	case SPEED_10:
-		rate = 2.5 * 1000 * 1000;
-		break;
-	default:
-		pr_err("invalid speed %d", eqos->phy->speed);
-		return -EINVAL;
-	}
-
-	ret = imx_eqos_txclk_set_rate(rate);
-	if (ret < 0) {
-		pr_err("imx (tx_clk, %lu) failed: %d", rate, ret);
-		return ret;
-	}
-
-	return 0;
-}
-
 static int eqos_adjust_link(struct udevice *dev)
 {
 	struct eqos_priv *eqos = dev_get_priv(dev);
@@ -1468,24 +1422,6 @@ static phy_interface_t eqos_get_interface_tegra186(const struct udevice *dev)
 	return PHY_INTERFACE_MODE_MII;
 }
 
-static int eqos_probe_resources_imx(struct udevice *dev)
-{
-	struct eqos_priv *eqos = dev_get_priv(dev);
-	phy_interface_t interface;
-
-	debug("%s(dev=%p):\n", __func__, dev);
-
-	interface = eqos->config->interface(dev);
-
-	if (interface == PHY_INTERFACE_MODE_NA) {
-		pr_err("Invalid PHY interface\n");
-		return -EINVAL;
-	}
-
-	debug("%s: OK\n", __func__);
-	return 0;
-}
-
 static int eqos_remove_resources_tegra186(struct udevice *dev)
 {
 	struct eqos_priv *eqos = dev_get_priv(dev);
@@ -1695,34 +1631,6 @@ static const struct eqos_config __maybe_unused eqos_stm32_config = {
 	.ops = &eqos_stm32_ops
 };
 
-static struct eqos_ops eqos_imx_ops = {
-	.eqos_inval_desc = eqos_inval_desc_generic,
-	.eqos_flush_desc = eqos_flush_desc_generic,
-	.eqos_inval_buffer = eqos_inval_buffer_generic,
-	.eqos_flush_buffer = eqos_flush_buffer_generic,
-	.eqos_probe_resources = eqos_probe_resources_imx,
-	.eqos_remove_resources = eqos_null_ops,
-	.eqos_stop_resets = eqos_null_ops,
-	.eqos_start_resets = eqos_null_ops,
-	.eqos_stop_clks = eqos_null_ops,
-	.eqos_start_clks = eqos_null_ops,
-	.eqos_calibrate_pads = eqos_null_ops,
-	.eqos_disable_calibration = eqos_null_ops,
-	.eqos_set_tx_clk_speed = eqos_set_tx_clk_speed_imx,
-	.eqos_get_tick_clk_rate = eqos_get_tick_clk_rate_imx
-};
-
-struct eqos_config __maybe_unused eqos_imx_config = {
-	.reg_access_always_ok = false,
-	.mdio_wait = 10,
-	.swr_wait = 50,
-	.config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB,
-	.config_mac_mdio = EQOS_MAC_MDIO_ADDRESS_CR_250_300,
-	.axi_bus_width = EQOS_AXI_WIDTH_64,
-	.interface = dev_read_phy_mode,
-	.ops = &eqos_imx_ops
-};
-
 static const struct udevice_id eqos_ids[] = {
 #if IS_ENABLED(CONFIG_DWC_ETH_QOS_TEGRA186)
 	{
diff --git a/drivers/net/dwc_eth_qos.h b/drivers/net/dwc_eth_qos.h
index 68b367b068..ce90e1f1ce 100644
--- a/drivers/net/dwc_eth_qos.h
+++ b/drivers/net/dwc_eth_qos.h
@@ -278,3 +278,5 @@ void eqos_flush_desc_generic(void *desc);
 void eqos_inval_buffer_generic(void *buf, size_t size);
 void eqos_flush_buffer_generic(void *buf, size_t size);
 int eqos_null_ops(struct udevice *dev);
+
+extern struct eqos_config eqos_imx_config;
diff --git a/drivers/net/dwc_eth_qos_imx.c b/drivers/net/dwc_eth_qos_imx.c
new file mode 100644
index 0000000000..2d1b5104af
--- /dev/null
+++ b/drivers/net/dwc_eth_qos_imx.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 NXP
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <cpu_func.h>
+#include <dm.h>
+#include <errno.h>
+#include <eth_phy.h>
+#include <log.h>
+#include <malloc.h>
+#include <memalign.h>
+#include <miiphy.h>
+#include <net.h>
+#include <netdev.h>
+#include <phy.h>
+#include <reset.h>
+#include <wait_bit.h>
+#include <asm/arch/clock.h>
+#include <asm/cache.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/mach-imx/sys_proto.h>
+#include <linux/delay.h>
+
+#include "dwc_eth_qos.h"
+
+__weak u32 imx_get_eqos_csr_clk(void)
+{
+	return 100 * 1000000;
+}
+
+__weak int imx_eqos_txclk_set_rate(unsigned long rate)
+{
+	return 0;
+}
+
+static ulong eqos_get_tick_clk_rate_imx(struct udevice *dev)
+{
+	return imx_get_eqos_csr_clk();
+}
+
+static int eqos_probe_resources_imx(struct udevice *dev)
+{
+	struct eqos_priv *eqos = dev_get_priv(dev);
+	phy_interface_t interface;
+
+	debug("%s(dev=%p):\n", __func__, dev);
+
+	interface = eqos->config->interface(dev);
+
+	if (interface == PHY_INTERFACE_MODE_NA) {
+		pr_err("Invalid PHY interface\n");
+		return -EINVAL;
+	}
+
+	debug("%s: OK\n", __func__);
+	return 0;
+}
+
+static int eqos_set_tx_clk_speed_imx(struct udevice *dev)
+{
+	struct eqos_priv *eqos = dev_get_priv(dev);
+	ulong rate;
+	int ret;
+
+	debug("%s(dev=%p):\n", __func__, dev);
+
+	switch (eqos->phy->speed) {
+	case SPEED_1000:
+		rate = 125 * 1000 * 1000;
+		break;
+	case SPEED_100:
+		rate = 25 * 1000 * 1000;
+		break;
+	case SPEED_10:
+		rate = 2.5 * 1000 * 1000;
+		break;
+	default:
+		pr_err("invalid speed %d", eqos->phy->speed);
+		return -EINVAL;
+	}
+
+	ret = imx_eqos_txclk_set_rate(rate);
+	if (ret < 0) {
+		pr_err("imx (tx_clk, %lu) failed: %d", rate, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct eqos_ops eqos_imx_ops = {
+	.eqos_inval_desc = eqos_inval_desc_generic,
+	.eqos_flush_desc = eqos_flush_desc_generic,
+	.eqos_inval_buffer = eqos_inval_buffer_generic,
+	.eqos_flush_buffer = eqos_flush_buffer_generic,
+	.eqos_probe_resources = eqos_probe_resources_imx,
+	.eqos_remove_resources = eqos_null_ops,
+	.eqos_stop_resets = eqos_null_ops,
+	.eqos_start_resets = eqos_null_ops,
+	.eqos_stop_clks = eqos_null_ops,
+	.eqos_start_clks = eqos_null_ops,
+	.eqos_calibrate_pads = eqos_null_ops,
+	.eqos_disable_calibration = eqos_null_ops,
+	.eqos_set_tx_clk_speed = eqos_set_tx_clk_speed_imx,
+	.eqos_get_tick_clk_rate = eqos_get_tick_clk_rate_imx
+};
+
+struct eqos_config __maybe_unused eqos_imx_config = {
+	.reg_access_always_ok = false,
+	.mdio_wait = 10,
+	.swr_wait = 50,
+	.config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB,
+	.config_mac_mdio = EQOS_MAC_MDIO_ADDRESS_CR_250_300,
+	.axi_bus_width = EQOS_AXI_WIDTH_64,
+	.interface = dev_read_phy_mode,
+	.ops = &eqos_imx_ops
+};