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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Andy Shevchenko , Sebastian Reichel , Marc Zyngier Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, linux-oxnas@groups.io, Neil Armstrong , Arnd Bergmann , Daniel Golle X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=9143; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=ejAz1IAJoZ72AsGfMantZn1z4aUBu8ItOfmfHHeZV44=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBknwm2VumAiS88SMnmjtsiebP+hoRV9So6UYEBjYMz JLbm4f6JAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZJ8JtgAKCRB33NvayMhJ0fFoD/ 4923BNV/pVrdOwyik5/XtouR/Jlvt2gqmGEwEHrrLa9vkPleS9mo6rFBzrMKzub/3s8c0Nr8QGy9QX +ITgdAz3hadwdg6WD+pKQmzwLr5SKeq4Ompojznza9M1D2ah0zwnaqriC16RPkG1RVd+yHb+vvad44 hEomE8lC0Fp8nJasBuzOIhGWqpmkdS4b2C+xrwoXbS1GGO2wMEX/1g1EoRXC+ntNgxjcL6pRnrYaZF s8s/YQvObMyhIAxq3i7JOy9pGZqwN1tvk8Vbf0R5EqttAQXu2KCd5SELFBQ8wGQl/Byf3ffNsUi6sO 5+QyzsJ8RAQXIBJl+0rkLowTnsVe8drEo+VvVZYq4XasdenxbljLuxYlBD0sDgTteI8waV+7lWfORa wCLKAhLDXnOIGcCQSyhfia/noLqc3yJfrFgtgAG1DAdx89/WN2JJKXpxe0+hW3WDx8PzdfRmwW0HMe 2ZnzPiJnTfeZUGsuw9gaKmmaPst2kgi1p9ap02/RB4dnRnRwSFVc8T/zWwPwFF5rT1ftWWLcRCo+TP ZpDESoAgNFIdfafkjaFeyNwqnzIypqe54Fm12UQO0BeDNGH+nMauN2ZDkw1V47DNwcS4hqcB3rykP2 B8r4+4oRQfgq78z6eBgoDKvoxAxBrKjMsBceQDGiSyuaKHNNYRYR4VgR9deA== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770147748414658237?= X-GMAIL-MSGID: =?utf-8?q?1770147748414658237?= Due to lack of maintenance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 ethernet. Acked-by: Linus Walleij Acked-by: Arnd Bergmann Acked-by: Daniel Golle Signed-off-by: Neil Armstrong --- drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 - drivers/net/ethernet/stmicro/stmmac/Makefile | 1 - drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 245 ---------------------- 3 files changed, 257 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index 5583f0b055ec..06c6871f8788 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -121,17 +121,6 @@ config DWMAC_MESON the stmmac device driver. This driver is used for Meson6, Meson8, Meson8b and GXBB SoCs. -config DWMAC_OXNAS - tristate "Oxford Semiconductor OXNAS dwmac support" - default ARCH_OXNAS - depends on OF && COMMON_CLK && (ARCH_OXNAS || COMPILE_TEST) - select MFD_SYSCON - help - Support for Ethernet controller on Oxford Semiconductor OXNAS SoCs. - - This selects the Oxford Semiconductor OXNASSoC glue layer support for - the stmmac device driver. This driver is used for OX820. - config DWMAC_QCOM_ETHQOS tristate "Qualcomm ETHQOS support" default ARCH_QCOM diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile index 7dd3d388068b..5b57aee19267 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_DWMAC_IPQ806X) += dwmac-ipq806x.o obj-$(CONFIG_DWMAC_LPC18XX) += dwmac-lpc18xx.o obj-$(CONFIG_DWMAC_MEDIATEK) += dwmac-mediatek.o obj-$(CONFIG_DWMAC_MESON) += dwmac-meson.o dwmac-meson8b.o -obj-$(CONFIG_DWMAC_OXNAS) += dwmac-oxnas.o obj-$(CONFIG_DWMAC_QCOM_ETHQOS) += dwmac-qcom-ethqos.o obj-$(CONFIG_DWMAC_ROCKCHIP) += dwmac-rk.o obj-$(CONFIG_DWMAC_SOCFPGA) += dwmac-altr-socfpga.o diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c deleted file mode 100644 index 42954020de2c..000000000000 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c +++ /dev/null @@ -1,245 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor OXNAS DWMAC glue layer - * - * Copyright (C) 2016 Neil Armstrong - * Copyright (C) 2014 Daniel Golle - * Copyright (C) 2013 Ma Haijun - * Copyright (C) 2012 John Crispin - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "stmmac_platform.h" - -/* System Control regmap offsets */ -#define OXNAS_DWMAC_CTRL_REGOFFSET 0x78 -#define OXNAS_DWMAC_DELAY_REGOFFSET 0x100 - -/* Control Register */ -#define DWMAC_CKEN_RX_IN 14 -#define DWMAC_CKEN_RXN_OUT 13 -#define DWMAC_CKEN_RX_OUT 12 -#define DWMAC_CKEN_TX_IN 10 -#define DWMAC_CKEN_TXN_OUT 9 -#define DWMAC_CKEN_TX_OUT 8 -#define DWMAC_RX_SOURCE 7 -#define DWMAC_TX_SOURCE 6 -#define DWMAC_LOW_TX_SOURCE 4 -#define DWMAC_AUTO_TX_SOURCE 3 -#define DWMAC_RGMII 2 -#define DWMAC_SIMPLE_MUX 1 -#define DWMAC_CKEN_GTX 0 - -/* Delay register */ -#define DWMAC_TX_VARDELAY_SHIFT 0 -#define DWMAC_TXN_VARDELAY_SHIFT 8 -#define DWMAC_RX_VARDELAY_SHIFT 16 -#define DWMAC_RXN_VARDELAY_SHIFT 24 -#define DWMAC_TX_VARDELAY(d) ((d) << DWMAC_TX_VARDELAY_SHIFT) -#define DWMAC_TXN_VARDELAY(d) ((d) << DWMAC_TXN_VARDELAY_SHIFT) -#define DWMAC_RX_VARDELAY(d) ((d) << DWMAC_RX_VARDELAY_SHIFT) -#define DWMAC_RXN_VARDELAY(d) ((d) << DWMAC_RXN_VARDELAY_SHIFT) - -struct oxnas_dwmac; - -struct oxnas_dwmac_data { - int (*setup)(struct oxnas_dwmac *dwmac); -}; - -struct oxnas_dwmac { - struct device *dev; - struct clk *clk; - struct regmap *regmap; - const struct oxnas_dwmac_data *data; -}; - -static int oxnas_dwmac_setup_ox810se(struct oxnas_dwmac *dwmac) -{ - unsigned int value; - int ret; - - ret = regmap_read(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, &value); - if (ret < 0) - return ret; - - /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ - value |= BIT(DWMAC_CKEN_GTX) | - /* Use simple mux for 25/125 Mhz clock switching */ - BIT(DWMAC_SIMPLE_MUX); - - regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); - - return 0; -} - -static int oxnas_dwmac_setup_ox820(struct oxnas_dwmac *dwmac) -{ - unsigned int value; - int ret; - - ret = regmap_read(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, &value); - if (ret < 0) - return ret; - - /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ - value |= BIT(DWMAC_CKEN_GTX) | - /* Use simple mux for 25/125 Mhz clock switching */ - BIT(DWMAC_SIMPLE_MUX) | - /* set auto switch tx clock source */ - BIT(DWMAC_AUTO_TX_SOURCE) | - /* enable tx & rx vardelay */ - BIT(DWMAC_CKEN_TX_OUT) | - BIT(DWMAC_CKEN_TXN_OUT) | - BIT(DWMAC_CKEN_TX_IN) | - BIT(DWMAC_CKEN_RX_OUT) | - BIT(DWMAC_CKEN_RXN_OUT) | - BIT(DWMAC_CKEN_RX_IN); - regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); - - /* set tx & rx vardelay */ - value = DWMAC_TX_VARDELAY(4) | - DWMAC_TXN_VARDELAY(2) | - DWMAC_RX_VARDELAY(10) | - DWMAC_RXN_VARDELAY(8); - regmap_write(dwmac->regmap, OXNAS_DWMAC_DELAY_REGOFFSET, value); - - return 0; -} - -static int oxnas_dwmac_init(struct platform_device *pdev, void *priv) -{ - struct oxnas_dwmac *dwmac = priv; - int ret; - - /* Reset HW here before changing the glue configuration */ - ret = device_reset(dwmac->dev); - if (ret) - return ret; - - ret = clk_prepare_enable(dwmac->clk); - if (ret) - return ret; - - ret = dwmac->data->setup(dwmac); - if (ret) - clk_disable_unprepare(dwmac->clk); - - return ret; -} - -static void oxnas_dwmac_exit(struct platform_device *pdev, void *priv) -{ - struct oxnas_dwmac *dwmac = priv; - - clk_disable_unprepare(dwmac->clk); -} - -static int oxnas_dwmac_probe(struct platform_device *pdev) -{ - struct plat_stmmacenet_data *plat_dat; - struct stmmac_resources stmmac_res; - struct oxnas_dwmac *dwmac; - int ret; - - ret = stmmac_get_platform_resources(pdev, &stmmac_res); - if (ret) - return ret; - - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); - if (IS_ERR(plat_dat)) - return PTR_ERR(plat_dat); - - dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } - - dwmac->data = (const struct oxnas_dwmac_data *)of_device_get_match_data(&pdev->dev); - if (!dwmac->data) { - ret = -EINVAL; - goto err_remove_config_dt; - } - - dwmac->dev = &pdev->dev; - plat_dat->bsp_priv = dwmac; - plat_dat->init = oxnas_dwmac_init; - plat_dat->exit = oxnas_dwmac_exit; - - dwmac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "oxsemi,sys-ctrl"); - if (IS_ERR(dwmac->regmap)) { - dev_err(&pdev->dev, "failed to have sysctrl regmap\n"); - ret = PTR_ERR(dwmac->regmap); - goto err_remove_config_dt; - } - - dwmac->clk = devm_clk_get(&pdev->dev, "gmac"); - if (IS_ERR(dwmac->clk)) { - ret = PTR_ERR(dwmac->clk); - goto err_remove_config_dt; - } - - ret = oxnas_dwmac_init(pdev, plat_dat->bsp_priv); - if (ret) - goto err_remove_config_dt; - - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) - goto err_dwmac_exit; - - - return 0; - -err_dwmac_exit: - oxnas_dwmac_exit(pdev, plat_dat->bsp_priv); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; -} - -static const struct oxnas_dwmac_data ox810se_dwmac_data = { - .setup = oxnas_dwmac_setup_ox810se, -}; - -static const struct oxnas_dwmac_data ox820_dwmac_data = { - .setup = oxnas_dwmac_setup_ox820, -}; - -static const struct of_device_id oxnas_dwmac_match[] = { - { - .compatible = "oxsemi,ox810se-dwmac", - .data = &ox810se_dwmac_data, - }, - { - .compatible = "oxsemi,ox820-dwmac", - .data = &ox820_dwmac_data, - }, - { } -}; -MODULE_DEVICE_TABLE(of, oxnas_dwmac_match); - -static struct platform_driver oxnas_dwmac_driver = { - .probe = oxnas_dwmac_probe, - .remove_new = stmmac_pltfr_remove, - .driver = { - .name = "oxnas-dwmac", - .pm = &stmmac_pltfr_pm_ops, - .of_match_table = oxnas_dwmac_match, - }, -}; -module_platform_driver(oxnas_dwmac_driver); - -MODULE_AUTHOR("Neil Armstrong "); -MODULE_DESCRIPTION("Oxford Semiconductor OXNAS DWMAC glue layer"); -MODULE_LICENSE("GPL v2");