From: John Crispin Date: Mon, 14 May 2018 05:11:56 +0000 (+0200) Subject: ath79: make ahb wifi work X-Git-Tag: v19.07.0-rc1~3620 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=83fb9ec5e0d175f99286dacda2f68c776c203f88;p=oweals%2Fopenwrt.git ath79: make ahb wifi work Signed-off-by: John Crispin --- diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile index 01a2109660..77a3e68f5c 100644 --- a/package/kernel/mac80211/Makefile +++ b/package/kernel/mac80211/Makefile @@ -203,7 +203,7 @@ endef define KernelPackage/ath $(call KernelPackage/mac80211/Default) TITLE:=Atheros common driver part - DEPENDS+= @PCI_SUPPORT||USB_SUPPORT||TARGET_ar71xx||TARGET_ath25 +kmod-mac80211 + DEPENDS+= @PCI_SUPPORT||USB_SUPPORT||TARGET_ar71xx||TARGET_ath79||TARGET_ath25 +kmod-mac80211 FILES:=$(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath.ko MENU:=1 endef @@ -268,7 +268,7 @@ define KernelPackage/ath9k-common TITLE:=Atheros 802.11n wireless devices (common code for ath9k and ath9k_htc) URL:=https://wireless.wiki.kernel.org/en/users/drivers/ath9k HIDDEN:=1 - DEPENDS+= @PCI_SUPPORT||USB_SUPPORT||TARGET_ar71xx +kmod-ath +@DRIVER_11N_SUPPORT +@DRIVER_11W_SUPPORT + DEPENDS+= @PCI_SUPPORT||USB_SUPPORT||TARGET_ar71xx||TARGET_ath79 +kmod-ath +@DRIVER_11N_SUPPORT +@DRIVER_11W_SUPPORT FILES:= \ $(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath9k/ath9k_common.ko \ $(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath9k/ath9k_hw.ko @@ -278,7 +278,7 @@ define KernelPackage/ath9k $(call KernelPackage/mac80211/Default) TITLE:=Atheros 802.11n PCI wireless cards support URL:=https://wireless.wiki.kernel.org/en/users/drivers/ath9k - DEPENDS+= @PCI_SUPPORT||TARGET_ar71xx +kmod-ath9k-common + DEPENDS+= @PCI_SUPPORT||TARGET_ar71xx||TARGET_ath79 +kmod-ath9k-common FILES:= \ $(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath9k/ath9k.ko AUTOLOAD:=$(call AutoProbe,ath9k) @@ -301,7 +301,7 @@ define KernelPackage/ath9k/config config ATH9K_UBNTHSR bool "Support for Ubiquiti UniFi Outdoor+ access point" - depends on PACKAGE_kmod-ath9k && TARGET_ar71xx_generic + depends on PACKAGE_kmod-ath9k && (TARGET_ar71xx_generic||TARGET_ath79) default y endef @@ -1618,6 +1618,7 @@ config-$(CONFIG_PACKAGE_ATH_SPECTRAL) += ATH9K_COMMON_SPECTRAL ATH10K_SPECTRAL config-$(call config_package,ath9k) += ATH9K config-$(call config_package,ath9k-common) += ATH9K_COMMON config-$(CONFIG_TARGET_ar71xx) += ATH9K_AHB +config-$(CONFIG_TARGET_ath79) += ATH9K_AHB config-$(CONFIG_TARGET_ipq40xx) += ATH10K_AHB config-$(CONFIG_PCI) += ATH9K_PCI config-$(CONFIG_ATH_USER_REGD) += ATH_USER_REGD diff --git a/package/kernel/mac80211/patches/552-ahb_of.patch b/package/kernel/mac80211/patches/552-ahb_of.patch new file mode 100644 index 0000000000..1af1f44b7f --- /dev/null +++ b/package/kernel/mac80211/patches/552-ahb_of.patch @@ -0,0 +1,334 @@ +Index: backports-2017-11-01/drivers/net/wireless/ath/ath9k/ahb.c +=================================================================== +--- backports-2017-11-01.orig/drivers/net/wireless/ath/ath9k/ahb.c ++++ backports-2017-11-01/drivers/net/wireless/ath/ath9k/ahb.c +@@ -19,7 +19,15 @@ + #include + #include + #include ++#include + #include "ath9k.h" ++#include ++ ++#ifdef CONFIG_OF ++#include ++#include ++#include ++#endif + + static const struct platform_device_id ath9k_platform_id_table[] = { + { +@@ -68,6 +76,235 @@ static const struct ath_bus_ops ath_ahb_ + .eeprom_read = ath_ahb_eeprom_read, + }; + ++#ifdef CONFIG_OF ++ ++#define QCA955X_DDR_CTL_CONFIG 0x108 ++#define QCA955X_DDR_CTL_CONFIG_ACT_WMAC BIT(23) ++ ++static int of_get_wifi_cal(struct device_node *np, struct ath9k_platform_data *pdata) ++{ ++#ifdef CONFIG_MTD ++ struct device_node *mtd_np = NULL; ++ size_t retlen; ++ int size, ret; ++ struct mtd_info *mtd; ++ const char *part; ++ const __be32 *list; ++ phandle phandle; ++ ++ list = of_get_property(np, "mtd-cal-data", &size); ++ if (!list) ++ return 0; ++ ++ if (size != (2 * sizeof(*list))) ++ return 1; ++ ++ phandle = be32_to_cpup(list++); ++ if (phandle) ++ mtd_np = of_find_node_by_phandle(phandle); ++ ++ if (!mtd_np) ++ return 1; ++ ++ part = of_get_property(mtd_np, "label", NULL); ++ if (!part) ++ part = mtd_np->name; ++ ++ mtd = get_mtd_device_nm(part); ++ if (IS_ERR(mtd)) ++ return 1; ++ ++ ret = mtd_read(mtd, be32_to_cpup(list), sizeof(pdata->eeprom_data), ++ &retlen, (u8*)pdata->eeprom_data); ++ put_mtd_device(mtd); ++ ++#endif ++ return 0; ++} ++ ++static int ar913x_wmac_reset(void) ++{ ++ ath79_device_reset_set(AR913X_RESET_AMBA2WMAC); ++ mdelay(10); ++ ++ ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC); ++ mdelay(10); ++ ++ return 0; ++} ++ ++static int ar933x_wmac_reset(void) ++{ ++ int retries = 20; ++ ++ ath79_device_reset_set(AR933X_RESET_WMAC); ++ ath79_device_reset_clear(AR933X_RESET_WMAC); ++ ++ while (1) { ++ u32 bootstrap; ++ ++ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); ++ if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0) ++ return 0; ++ ++ if (retries-- == 0) ++ break; ++ ++ udelay(10000); ++ } ++ ++ pr_err("ar933x: WMAC reset timed out"); ++ return -ETIMEDOUT; ++} ++ ++static int qca955x_wmac_reset(void) ++{ ++ int i; ++ ++ /* Try to wait for WMAC DDR activity to stop */ ++ for (i = 0; i < 10; i++) { ++ if (!(__raw_readl(ath79_ddr_base + QCA955X_DDR_CTL_CONFIG) & ++ QCA955X_DDR_CTL_CONFIG_ACT_WMAC)) ++ break; ++ ++ udelay(10); ++ } ++ ++ ath79_device_reset_set(QCA955X_RESET_RTC); ++ udelay(10); ++ ath79_device_reset_clear(QCA955X_RESET_RTC); ++ udelay(10); ++ ++ return 0; ++} ++ ++enum { ++ AR913X_WMAC = 0, ++ AR933X_WMAC, ++ AR934X_WMAC, ++ QCA953X_WMAC, ++ QCA955X_WMAC, ++ QCA956X_WMAC, ++}; ++ ++static int ar9330_get_soc_revision(void) ++{ ++ if (ath79_soc_rev == 1) ++ return ath79_soc_rev; ++ ++ return 0; ++} ++ ++static int ath79_get_soc_revision(void) ++{ ++ return ath79_soc_rev; ++} ++ ++static const struct of_ath_ahb_data { ++ u16 dev_id; ++ u32 bootstrap_reg; ++ u32 bootstrap_ref; ++ ++ int (*soc_revision)(void); ++ int (*wmac_reset)(void); ++} of_ath_ahb_data[] = { ++ [AR913X_WMAC] = { ++ .dev_id = AR5416_AR9100_DEVID, ++ .wmac_reset = ar913x_wmac_reset, ++ ++ }, ++ [AR933X_WMAC] = { ++ .dev_id = AR9300_DEVID_AR9330, ++ .bootstrap_reg = AR933X_RESET_REG_BOOTSTRAP, ++ .bootstrap_ref = AR933X_BOOTSTRAP_REF_CLK_40, ++ .soc_revision = ar9330_get_soc_revision, ++ .wmac_reset = ar933x_wmac_reset, ++ }, ++ [AR934X_WMAC] = { ++ .dev_id = AR9300_DEVID_AR9340, ++ .bootstrap_reg = AR934X_RESET_REG_BOOTSTRAP, ++ .bootstrap_ref = AR934X_BOOTSTRAP_REF_CLK_40, ++ .soc_revision = ath79_get_soc_revision, ++ }, ++ [QCA953X_WMAC] = { ++ .dev_id = AR9300_DEVID_AR953X, ++ .bootstrap_reg = QCA953X_RESET_REG_BOOTSTRAP, ++ .bootstrap_ref = QCA953X_BOOTSTRAP_REF_CLK_40, ++ .soc_revision = ath79_get_soc_revision, ++ }, ++ [QCA955X_WMAC] = { ++ .dev_id = AR9300_DEVID_QCA955X, ++ .bootstrap_reg = QCA955X_RESET_REG_BOOTSTRAP, ++ .bootstrap_ref = QCA955X_BOOTSTRAP_REF_CLK_40, ++ .wmac_reset = qca955x_wmac_reset, ++ }, ++ [QCA956X_WMAC] = { ++ .dev_id = AR9300_DEVID_QCA956X, ++ .bootstrap_reg = QCA956X_RESET_REG_BOOTSTRAP, ++ .bootstrap_ref = QCA956X_BOOTSTRAP_REF_CLK_40, ++ .soc_revision = ath79_get_soc_revision, ++ }, ++}; ++ ++const struct of_device_id of_ath_ahb_match[] = { ++ { .compatible = "qca,ar9130-wmac", .data = &of_ath_ahb_data[AR913X_WMAC] }, ++ { .compatible = "qca,ar9330-wmac", .data = &of_ath_ahb_data[AR933X_WMAC] }, ++ { .compatible = "qca,ar9340-wmac", .data = &of_ath_ahb_data[AR934X_WMAC] }, ++ { .compatible = "qca,qca9530-wmac", .data = &of_ath_ahb_data[QCA953X_WMAC] }, ++ { .compatible = "qca,qca9550-wmac", .data = &of_ath_ahb_data[QCA955X_WMAC] }, ++ { .compatible = "qca,qca9560-wmac", .data = &of_ath_ahb_data[QCA956X_WMAC] }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, of_ath_ahb_match); ++ ++static int of_ath_ahb_probe(struct platform_device *pdev) ++{ ++ struct ath9k_platform_data *pdata; ++ const struct of_device_id *match; ++ const struct of_ath_ahb_data *data; ++ u8 led_pin; ++ ++ match = of_match_device(of_ath_ahb_match, &pdev->dev); ++ data = (const struct of_ath_ahb_data *)match->data; ++ ++ pdata = dev_get_platdata(&pdev->dev); ++ ++ if (!of_property_read_u8(pdev->dev.of_node, "qca,led-pin", &led_pin)) ++ pdata->led_pin = led_pin; ++ else ++ pdata->led_pin = -1; ++ ++ if (of_property_read_bool(pdev->dev.of_node, "qca,disable-2ghz")) ++ pdata->disable_2ghz = true; ++ ++ if (of_property_read_bool(pdev->dev.of_node, "qca,disable-5ghz")) ++ pdata->disable_5ghz = true; ++ ++ if (of_property_read_bool(pdev->dev.of_node, "qca,tx-gain-buffalo")) ++ pdata->tx_gain_buffalo = true; ++ ++ if (data->wmac_reset) { ++ data->wmac_reset(); ++ pdata->external_reset = data->wmac_reset; ++ } ++ ++ if (data->bootstrap_reg && data->bootstrap_ref) { ++ u32 t = ath79_reset_rr(data->bootstrap_reg); ++ if (t & data->bootstrap_ref) ++ pdata->is_clk_25mhz = false; ++ else ++ pdata->is_clk_25mhz = true; ++ } ++ ++ pdata->get_mac_revision = data->soc_revision; ++ ++ if (of_get_wifi_cal(pdev->dev.of_node, pdata)) ++ dev_err(&pdev->dev, "failed to load calibration data from mtd device\n"); ++ ++ return data->dev_id; ++} ++#endif ++ + static int ath_ahb_probe(struct platform_device *pdev) + { + void __iomem *mem; +@@ -79,6 +316,17 @@ static int ath_ahb_probe(struct platform + int ret = 0; + struct ath_hw *ah; + char hw_name[64]; ++ u16 dev_id; ++ ++ if (id) ++ dev_id = id->driver_data; ++ ++#ifdef CONFIG_OF ++ if (pdev->dev.of_node) ++ pdev->dev.platform_data = devm_kzalloc(&pdev->dev, ++ sizeof(struct ath9k_platform_data), ++ GFP_KERNEL); ++#endif + + if (!dev_get_platdata(&pdev->dev)) { + dev_err(&pdev->dev, "no platform data specified\n"); +@@ -121,13 +369,16 @@ static int ath_ahb_probe(struct platform + sc->mem = mem; + sc->irq = irq; + ++#ifdef CONFIG_OF ++ dev_id = of_ath_ahb_probe(pdev); ++#endif + ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc); + if (ret) { + dev_err(&pdev->dev, "request_irq failed\n"); + goto err_free_hw; + } + +- ret = ath9k_init_device(id->driver_data, sc, &ath_ahb_bus_ops); ++ ret = ath9k_init_device(dev_id, sc, &ath_ahb_bus_ops); + if (ret) { + dev_err(&pdev->dev, "failed to initialize device\n"); + goto err_irq; +@@ -158,6 +409,9 @@ static int ath_ahb_remove(struct platfor + free_irq(sc->irq, sc); + ieee80211_free_hw(sc->hw); + } ++#ifdef CONFIG_OF ++ pdev->dev.platform_data = NULL; ++#endif + + return 0; + } +@@ -167,6 +421,9 @@ static struct platform_driver ath_ahb_dr + .remove = ath_ahb_remove, + .driver = { + .name = "ath9k", ++#ifdef CONFIG_OF ++ .of_match_table = of_ath_ahb_match, ++#endif + }, + .id_table = ath9k_platform_id_table, + }; +Index: backports-2017-11-01/drivers/net/wireless/ath/ath9k/ath9k.h +=================================================================== +--- backports-2017-11-01.orig/drivers/net/wireless/ath/ath9k/ath9k.h ++++ backports-2017-11-01/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -25,6 +25,7 @@ + #include + #include + #include ++#include + + #include "common.h" + #include "debug.h" +@@ -1023,6 +1024,9 @@ struct ath_softc { + struct ath_hw *sc_ah; + void __iomem *mem; + int irq; ++#ifdef CONFIG_OF ++ struct reset_control *reset; ++#endif + spinlock_t sc_serial_rw; + spinlock_t sc_pm_lock; + spinlock_t sc_pcu_lock; diff --git a/target/linux/ath79/dts/ar9330.dtsi b/target/linux/ath79/dts/ar9330.dtsi index 1439de1e66..e1beacb272 100644 --- a/target/linux/ath79/dts/ar9330.dtsi +++ b/target/linux/ath79/dts/ar9330.dtsi @@ -107,6 +107,15 @@ compatible = "qca,ar9330-gmac"; reg = <0x18070000 0x4>; }; + + wmac: gmac@18100000 { + compatible = "qca,ar9330-wmac"; + reg = <0x18100000 0x20000>; + + interrupts = <2>; + + status = "disabled"; + }; }; usb_phy: usb-phy { diff --git a/target/linux/ath79/dts/ar9330_glinet_ar150.dts b/target/linux/ath79/dts/ar9330_glinet_ar150.dts index 16d86137cb..a7dab83559 100644 --- a/target/linux/ath79/dts/ar9330_glinet_ar150.dts +++ b/target/linux/ath79/dts/ar9330_glinet_ar150.dts @@ -160,3 +160,9 @@ switch-phy-swap = <0>; }; }; + +&wmac { + status = "okay"; + mtd-cal-data = <&art 0x1000>; + mtd-mac-address = <&art 0x0>; +}; diff --git a/target/linux/ath79/patches-4.14/0034-MIPS-ath79-ath9k-exports.patch b/target/linux/ath79/patches-4.14/0034-MIPS-ath79-ath9k-exports.patch new file mode 100644 index 0000000000..fddacc6853 --- /dev/null +++ b/target/linux/ath79/patches-4.14/0034-MIPS-ath79-ath9k-exports.patch @@ -0,0 +1,31 @@ +Index: linux-4.14.42/arch/mips/ath79/common.c +=================================================================== +--- linux-4.14.42.orig/arch/mips/ath79/common.c ++++ linux-4.14.42/arch/mips/ath79/common.c +@@ -34,11 +34,13 @@ EXPORT_SYMBOL_GPL(ath79_ddr_freq); + + enum ath79_soc_type ath79_soc; + unsigned int ath79_soc_rev; ++EXPORT_SYMBOL_GPL(ath79_soc_rev); + + void __iomem *ath79_pll_base; + void __iomem *ath79_reset_base; + EXPORT_SYMBOL_GPL(ath79_reset_base); +-static void __iomem *ath79_ddr_base; ++void __iomem *ath79_ddr_base; ++EXPORT_SYMBOL_GPL(ath79_ddr_base); + static void __iomem *ath79_ddr_wb_flush_base; + static void __iomem *ath79_ddr_pci_win_base; + +Index: linux-4.14.42/arch/mips/include/asm/mach-ath79/ath79.h +=================================================================== +--- linux-4.14.42.orig/arch/mips/include/asm/mach-ath79/ath79.h ++++ linux-4.14.42/arch/mips/include/asm/mach-ath79/ath79.h +@@ -152,6 +152,7 @@ void ath79_ddr_wb_flush(unsigned int reg + void ath79_ddr_set_pci_windows(void); + + extern void __iomem *ath79_pll_base; ++extern void __iomem *ath79_ddr_base; + extern void __iomem *ath79_reset_base; + + static inline void ath79_pll_wr(unsigned reg, u32 val)