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authorChuanhong Guo <gch981213@gmail.com>2018-07-17 17:09:13 +0800
committerJohn Crispin <john@phrozen.org>2018-07-30 10:43:33 +0200
commit2d081addb537ac3dc41d61487561458c7733c7ba (patch)
tree2f5506033729b8868ddc26bf4b2c1acd974c0a29 /target/linux/ath79/files/drivers/net
parentb346c37588873d0811785efada7aed2e52749500 (diff)
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ath79: ag71xx: Split gmac config into separated file and add support for ar934x/qca955x.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Diffstat (limited to 'target/linux/ath79/files/drivers/net')
-rw-r--r--target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/Makefile1
-rw-r--r--target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h2
-rw-r--r--target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_gmac.c113
-rw-r--r--target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c58
4 files changed, 116 insertions, 58 deletions
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/Makefile b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/Makefile
index 7f396ad46e..ed74e3b5e6 100644
--- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/Makefile
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/Makefile
@@ -3,6 +3,7 @@
#
ag71xx-y += ag71xx_main.o
+ag71xx-y += ag71xx_gmac.o
ag71xx-y += ag71xx_ethtool.o
ag71xx-y += ag71xx_phy.o
ag71xx-y += ag71xx_mdio.o
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
index 22b22522a3..b0780a1ba9 100644
--- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
@@ -447,6 +447,8 @@ void ag71xx_mdio_cleanup(struct ag71xx *ag);
int ag71xx_mdio_mii_read(struct mii_bus *bus, int addr, int reg);
int ag71xx_mdio_mii_write(struct mii_bus *bus, int addr, int reg, u16 val);
+int ag71xx_setup_gmac(struct device_node *np);
+
int ar7240sw_phy_read(struct mii_bus *mii, int addr, int reg);
int ar7240sw_phy_write(struct mii_bus *mii, int addr, int reg, u16 val);
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_gmac.c b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_gmac.c
new file mode 100644
index 0000000000..55a8f57f15
--- /dev/null
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_gmac.c
@@ -0,0 +1,113 @@
+/*
+ * Atheros AR71xx built-in ethernet mac driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/sizes.h>
+#include <linux/of_address.h>
+#include "ag71xx.h"
+
+static void ag71xx_of_set(struct device_node *np, const char *prop,
+ u32 *reg, u32 shift, u32 mask)
+{
+ u32 val;
+
+ if (of_property_read_u32(np, prop, &val))
+ return;
+
+ *reg &= ~(mask << shift);
+ *reg |= ((val & mask) << shift);
+}
+
+static void ag71xx_of_bit(struct device_node *np, const char *prop,
+ u32 *reg, u32 mask)
+{
+ u32 val;
+
+ if (of_property_read_u32(np, prop, &val))
+ return;
+
+ if (val)
+ *reg |= mask;
+ else
+ *reg &= ~mask;
+}
+
+static void ag71xx_setup_gmac_933x(struct device_node *np, void __iomem *base)
+{
+ u32 val = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
+
+ ag71xx_of_bit(np, "switch-phy-swap", &val, AR933X_ETH_CFG_SW_PHY_SWAP);
+ ag71xx_of_bit(np, "switch-phy-addr-swap", &val,
+ AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
+
+ __raw_writel(val, base + AR933X_GMAC_REG_ETH_CFG);
+}
+
+static void ag71xx_setup_gmac_934x(struct device_node *np, void __iomem *base)
+{
+ u32 val = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
+
+ ag71xx_of_bit(np, "rgmii-gmac0", &val, AR934X_ETH_CFG_RGMII_GMAC0);
+ ag71xx_of_bit(np, "mii-gmac0", &val, AR934X_ETH_CFG_MII_GMAC0);
+ ag71xx_of_bit(np, "gmii-gmac0", &val, AR934X_ETH_CFG_GMII_GMAC0);
+ ag71xx_of_bit(np, "switch-phy-swap", &val, AR934X_ETH_CFG_SW_PHY_SWAP);
+ ag71xx_of_bit(np, "switch-only-mode", &val,
+ AR934X_ETH_CFG_SW_ONLY_MODE);
+
+ __raw_writel(val, base + AR934X_GMAC_REG_ETH_CFG);
+}
+
+static void ag71xx_setup_gmac_955x(struct device_node *np, void __iomem *base)
+{
+ u32 val = __raw_readl(base + QCA955X_GMAC_REG_ETH_CFG);
+
+ ag71xx_of_bit(np, "rgmii-enabled", &val, QCA955X_ETH_CFG_RGMII_EN);
+ ag71xx_of_bit(np, "ge0-sgmii", &val, QCA955X_ETH_CFG_GE0_SGMII);
+ ag71xx_of_set(np, "txen-delay", &val, QCA955X_ETH_CFG_TXE_DELAY_SHIFT, 0x3);
+ ag71xx_of_set(np, "txd-delay", &val, QCA955X_ETH_CFG_TXD_DELAY_SHIFT, 0x3);
+ ag71xx_of_set(np, "rxdv-delay", &val, QCA955X_ETH_CFG_RDV_DELAY_SHIFT, 0x3);
+ ag71xx_of_set(np, "rxd-delay", &val, QCA955X_ETH_CFG_RXD_DELAY_SHIFT, 0x3);
+
+ __raw_writel(val, base + QCA955X_GMAC_REG_ETH_CFG);
+}
+
+int ag71xx_setup_gmac(struct device_node *np)
+{
+ struct device_node *np_dev;
+ void __iomem *base;
+ int err = 0;
+
+ np = of_get_child_by_name(np, "gmac-config");
+ if (!np)
+ return 0;
+
+ np_dev = of_parse_phandle(np, "device", 0);
+ if (!np_dev)
+ goto out;
+
+ base = of_iomap(np_dev, 0);
+ if (!base) {
+ pr_err("%pOF: can't map GMAC registers\n", np_dev);
+ err = -ENOMEM;
+ goto err_iomap;
+ }
+
+ if (of_device_is_compatible(np_dev, "qca,ar9330-gmac"))
+ ag71xx_setup_gmac_933x(np, base);
+ else if (of_device_is_compatible(np_dev, "qca,ar9340-gmac"))
+ ag71xx_setup_gmac_934x(np, base);
+ else if (of_device_is_compatible(np_dev, "qca,qca9550-gmac"))
+ ag71xx_setup_gmac_955x(np, base);
+
+ iounmap(base);
+
+err_iomap:
+ of_node_put(np_dev);
+out:
+ of_node_put(np);
+ return err;
+}
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index 635c3b9127..acc0f089d0 100644
--- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -1271,64 +1271,6 @@ static const char *ag71xx_get_phy_if_mode_name(phy_interface_t mode)
return "unknown";
}
-static void ag71xx_of_bit(struct device_node *np, const char *prop,
- u32 *reg, u32 mask)
-{
- u32 val;
-
- if (of_property_read_u32(np, prop, &val))
- return;
-
- if (val)
- *reg |= mask;
- else
- *reg &= ~mask;
-}
-
-static void ag71xx_setup_gmac_933x(struct device_node *np, void __iomem *base)
-{
- u32 val = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
-
- ag71xx_of_bit(np, "switch-phy-swap", &val, AR933X_ETH_CFG_SW_PHY_SWAP);
- ag71xx_of_bit(np, "switch-phy-addr-swap", &val,
- AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
-
- __raw_writel(val, base + AR933X_GMAC_REG_ETH_CFG);
-}
-
-static int ag71xx_setup_gmac(struct device_node *np)
-{
- struct device_node *np_dev;
- void __iomem *base;
- int err = 0;
-
- np = of_get_child_by_name(np, "gmac-config");
- if (!np)
- return 0;
-
- np_dev = of_parse_phandle(np, "device", 0);
- if (!np_dev)
- goto out;
-
- base = of_iomap(np_dev, 0);
- if (!base) {
- pr_err("%pOF: can't map GMAC registers\n", np_dev);
- err = -ENOMEM;
- goto err_iomap;
- }
-
- if (of_device_is_compatible(np_dev, "qca,ar9330-gmac"))
- ag71xx_setup_gmac_933x(np, base);
-
- iounmap(base);
-
-err_iomap:
- of_node_put(np_dev);
-out:
- of_node_put(np);
- return err;
-}
-
static int ag71xx_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;