diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.13/193-stmmac-platform-ext-for-a20.patch')
-rw-r--r-- | target/linux/sunxi/patches-3.13/193-stmmac-platform-ext-for-a20.patch | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/target/linux/sunxi/patches-3.13/193-stmmac-platform-ext-for-a20.patch b/target/linux/sunxi/patches-3.13/193-stmmac-platform-ext-for-a20.patch deleted file mode 100644 index 6bc409e..0000000 --- a/target/linux/sunxi/patches-3.13/193-stmmac-platform-ext-for-a20.patch +++ /dev/null @@ -1,187 +0,0 @@ -From 3c6560eccfeee3a93d57c3b2206abfbe06459015 Mon Sep 17 00:00:00 2001 -From: Chen-Yu Tsai <wens@csie.org> -Date: Sat, 7 Dec 2013 01:29:37 +0800 -Subject: [PATCH] net: stmmac: sunxi platfrom extensions for GMAC in Allwinner - A20 SoC's - -The Allwinner A20 has an ethernet controller that seems to be -an early version of Synopsys DesignWare MAC 10/100/1000 Universal, -which is supported by the stmmac driver. - -Allwinner's GMAC requires setting additional registers in the SoC's -clock control unit. - -The exact version of the DWMAC IP that Allwinner uses is unknown, -thus the exact feature set is unknown. - -Signed-off-by: Chen-Yu Tsai <wens@csie.org> ---- - .../bindings/net/allwinner,sun7i-gmac.txt | 22 +++++++ - drivers/net/ethernet/stmicro/stmmac/Kconfig | 12 ++++ - drivers/net/ethernet/stmicro/stmmac/Makefile | 1 + - drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 76 ++++++++++++++++++++++ - drivers/net/ethernet/stmicro/stmmac/stmmac.h | 3 + - .../net/ethernet/stmicro/stmmac/stmmac_platform.c | 3 + - 6 files changed, 117 insertions(+) - create mode 100644 Documentation/devicetree/bindings/net/allwinner,sun7i-gmac.txt - create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c - ---- /dev/null -+++ b/Documentation/devicetree/bindings/net/allwinner,sun7i-gmac.txt -@@ -0,0 +1,22 @@ -+* Allwinner GMAC ethernet controller -+ -+This device is a platform glue layer for stmmac. -+Please see stmmac.txt for the other unchanged properties. -+ -+Required properties: -+ - compatible: Should be "allwinner,sun7i-gmac" -+ - reg: Address and length of register set for the device and corresponding -+ clock control -+ -+Examples: -+ -+ gmac: ethernet@01c50000 { -+ compatible = "allwinner,sun7i-gmac"; -+ reg = <0x01c50000 0x10000>, -+ <0x01c20164 0x4>; -+ interrupts = <0 85 1>; -+ interrupt-names = "macirq"; -+ clocks = <&ahb_gates 49>; -+ clock-names = "stmmaceth"; -+ phy-mode = "mii"; -+ }; ---- a/drivers/net/ethernet/stmicro/stmmac/Kconfig -+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig -@@ -25,6 +25,18 @@ config STMMAC_PLATFORM - - If unsure, say N. - -+config DWMAC_SUNXI -+ bool "Allwinner GMAC support" -+ depends on STMMAC_PLATFORM -+ depends on ARCH_SUNXI -+ default y -+ ---help--- -+ Support for Allwinner A20 GMAC ethernet driver. -+ -+ This selects Allwinner SoC glue layer support for the -+ stmmac device driver. This driver is used for A20 GMAC -+ ethernet controller. -+ - config STMMAC_PCI - bool "STMMAC PCI bus support" - depends on STMMAC_ETH && PCI ---- a/drivers/net/ethernet/stmicro/stmmac/Makefile -+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile -@@ -1,6 +1,7 @@ - obj-$(CONFIG_STMMAC_ETH) += stmmac.o - stmmac-$(CONFIG_STMMAC_PLATFORM) += stmmac_platform.o - stmmac-$(CONFIG_STMMAC_PCI) += stmmac_pci.o -+stmmac-$(CONFIG_DWMAC_SUNXI) += dwmac-sunxi.o - stmmac-objs:= stmmac_main.o stmmac_ethtool.o stmmac_mdio.o ring_mode.o \ - chain_mode.o dwmac_lib.o dwmac1000_core.o dwmac1000_dma.o \ - dwmac100_core.o dwmac100_dma.o enh_desc.o norm_desc.o \ ---- /dev/null -+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c -@@ -0,0 +1,76 @@ -+/** -+ * dwmac-sunxi.c - Allwinner sunxi DWMAC specific glue layer -+ * -+ * Copyright (C) 2013 Chen-Yu Tsai -+ * -+ * Chen-Yu Tsai <wens@csie.org> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#include <linux/clk.h> -+#include <linux/phy.h> -+#include <linux/stmmac.h> -+ -+#define GMAC_IF_TYPE_RGMII 0x4 -+ -+#define GMAC_TX_CLK_MASK 0x3 -+#define GMAC_TX_CLK_MII 0x0 -+#define GMAC_TX_CLK_RGMII_INT 0x2 -+ -+static int sun7i_gmac_init(struct platform_device *pdev) -+{ -+ struct resource *res; -+ struct device *dev = &pdev->dev; -+ void __iomem *addr = NULL; -+ struct plat_stmmacenet_data *plat_dat = NULL; -+ u32 priv_clk_reg; -+ -+ plat_dat = dev_get_platdata(&pdev->dev); -+ if (!plat_dat) -+ return -EINVAL; -+ -+ /* Get GMAC clock register in CCU */ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1); -+ addr = devm_ioremap_resource(dev, res); -+ if (IS_ERR(addr)) -+ return PTR_ERR(addr); -+ -+ priv_clk_reg = readl(addr); -+ -+ /* Set GMAC interface port mode */ -+ if (plat_dat->interface == PHY_INTERFACE_MODE_RGMII) -+ priv_clk_reg |= GMAC_IF_TYPE_RGMII; -+ else -+ priv_clk_reg &= ~GMAC_IF_TYPE_RGMII; -+ -+ /* Set GMAC transmit clock source. */ -+ priv_clk_reg &= ~GMAC_TX_CLK_MASK; -+ if (plat_dat->interface == PHY_INTERFACE_MODE_RGMII -+ || plat_dat->interface == PHY_INTERFACE_MODE_GMII) -+ priv_clk_reg |= GMAC_TX_CLK_RGMII_INT; -+ else -+ priv_clk_reg |= GMAC_TX_CLK_MII; -+ -+ writel(priv_clk_reg, addr); -+ -+ /* mask out phy addr 0x0 */ -+ plat_dat->mdio_bus_data->phy_mask = 0x1; -+ -+ return 0; -+} -+ -+const struct plat_stmmacenet_data sun7i_gmac_data = { -+ .has_gmac = 1, -+ .tx_coe = 1, -+ .init = sun7i_gmac_init, -+}; -+ ---- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h -+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h -@@ -130,6 +130,9 @@ void stmmac_disable_eee_mode(struct stmm - bool stmmac_eee_init(struct stmmac_priv *priv); - - #ifdef CONFIG_STMMAC_PLATFORM -+#ifdef CONFIG_DWMAC_SUNXI -+extern const struct plat_stmmacenet_data sun7i_gmac_data; -+#endif - extern struct platform_driver stmmac_pltfr_driver; - static inline int stmmac_register_platform(void) - { ---- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c -+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c -@@ -35,6 +35,9 @@ static const struct of_device_id stmmac_ - { .compatible = "snps,dwmac-3.70a"}, - { .compatible = "snps,dwmac-3.710"}, - { .compatible = "snps,dwmac"}, -+#ifdef CONFIG_DWMAC_SUNXI -+ { .compatible = "allwinner,sun7i-gmac", .data = &sun7i_gmac_data}, -+#endif - { /* sentinel */ } - }; - MODULE_DEVICE_TABLE(of, stmmac_dt_ids); |