diff options
author | John Crispin <john@phrozen.org> | 2019-01-11 15:22:39 +0100 |
---|---|---|
committer | Paul Burton <paul.burton@mips.com> | 2019-01-22 20:17:22 +0100 |
commit | 85b9686dae30b5ed5c27b85edfe91ac5a8d9d1f3 (patch) | |
tree | 52c8492035c11e3d737b62b951564442d66afbc0 /arch/mips/ath79/dev-usb.c | |
parent | MIPS: ath79: drop legacy pci code (diff) | |
download | linux-85b9686dae30b5ed5c27b85edfe91ac5a8d9d1f3.tar.xz linux-85b9686dae30b5ed5c27b85edfe91ac5a8d9d1f3.zip |
MIPS: ath79: drop platform device registration code
With the target now being fully OF based, we can drop the legacy platform
device registration code. All devices and their drivers are now probed
via OF.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'arch/mips/ath79/dev-usb.c')
-rw-r--r-- | arch/mips/ath79/dev-usb.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/arch/mips/ath79/dev-usb.c b/arch/mips/ath79/dev-usb.c deleted file mode 100644 index 8227265bcc2d..000000000000 --- a/arch/mips/ath79/dev-usb.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Atheros AR7XXX/AR9XXX USB Host Controller device - * - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> - * - * Parts of this file are based on Atheros' 2.6.15 BSP - * - * 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/kernel.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> -#include <linux/usb/ehci_pdriver.h> -#include <linux/usb/ohci_pdriver.h> - -#include <asm/mach-ath79/ath79.h> -#include <asm/mach-ath79/ar71xx_regs.h> -#include "common.h" -#include "dev-usb.h" - -static u64 ath79_usb_dmamask = DMA_BIT_MASK(32); - -static struct usb_ohci_pdata ath79_ohci_pdata = { -}; - -static struct usb_ehci_pdata ath79_ehci_pdata_v1 = { - .has_synopsys_hc_bug = 1, -}; - -static struct usb_ehci_pdata ath79_ehci_pdata_v2 = { - .caps_offset = 0x100, - .has_tt = 1, -}; - -static void __init ath79_usb_register(const char *name, int id, - unsigned long base, unsigned long size, - int irq, const void *data, - size_t data_size) -{ - struct resource res[2]; - struct platform_device *pdev; - - memset(res, 0, sizeof(res)); - - res[0].flags = IORESOURCE_MEM; - res[0].start = base; - res[0].end = base + size - 1; - - res[1].flags = IORESOURCE_IRQ; - res[1].start = irq; - res[1].end = irq; - - pdev = platform_device_register_resndata(NULL, name, id, - res, ARRAY_SIZE(res), - data, data_size); - - if (IS_ERR(pdev)) { - pr_err("ath79: unable to register USB at %08lx, err=%d\n", - base, (int) PTR_ERR(pdev)); - return; - } - - pdev->dev.dma_mask = &ath79_usb_dmamask; - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); -} - -#define AR71XX_USB_RESET_MASK (AR71XX_RESET_USB_HOST | \ - AR71XX_RESET_USB_PHY | \ - AR71XX_RESET_USB_OHCI_DLL) - -static void __init ath79_usb_setup(void) -{ - void __iomem *usb_ctrl_base; - - ath79_device_reset_set(AR71XX_USB_RESET_MASK); - mdelay(1000); - ath79_device_reset_clear(AR71XX_USB_RESET_MASK); - - usb_ctrl_base = ioremap(AR71XX_USB_CTRL_BASE, AR71XX_USB_CTRL_SIZE); - - /* Turning on the Buff and Desc swap bits */ - __raw_writel(0xf0000, usb_ctrl_base + AR71XX_USB_CTRL_REG_CONFIG); - - /* WAR for HW bug. Here it adjusts the duration between two SOFS */ - __raw_writel(0x20c00, usb_ctrl_base + AR71XX_USB_CTRL_REG_FLADJ); - - iounmap(usb_ctrl_base); - - mdelay(900); - - ath79_usb_register("ohci-platform", -1, - AR71XX_OHCI_BASE, AR71XX_OHCI_SIZE, - ATH79_MISC_IRQ(6), - &ath79_ohci_pdata, sizeof(ath79_ohci_pdata)); - - ath79_usb_register("ehci-platform", -1, - AR71XX_EHCI_BASE, AR71XX_EHCI_SIZE, - ATH79_CPU_IRQ(3), - &ath79_ehci_pdata_v1, sizeof(ath79_ehci_pdata_v1)); -} - -static void __init ar7240_usb_setup(void) -{ - void __iomem *usb_ctrl_base; - - ath79_device_reset_clear(AR7240_RESET_OHCI_DLL); - ath79_device_reset_set(AR7240_RESET_USB_HOST); - - mdelay(1000); - - ath79_device_reset_set(AR7240_RESET_OHCI_DLL); - ath79_device_reset_clear(AR7240_RESET_USB_HOST); - - usb_ctrl_base = ioremap(AR7240_USB_CTRL_BASE, AR7240_USB_CTRL_SIZE); - - /* WAR for HW bug. Here it adjusts the duration between two SOFS */ - __raw_writel(0x3, usb_ctrl_base + AR71XX_USB_CTRL_REG_FLADJ); - - iounmap(usb_ctrl_base); - - ath79_usb_register("ohci-platform", -1, - AR7240_OHCI_BASE, AR7240_OHCI_SIZE, - ATH79_CPU_IRQ(3), - &ath79_ohci_pdata, sizeof(ath79_ohci_pdata)); -} - -static void __init ar724x_usb_setup(void) -{ - ath79_device_reset_set(AR724X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ath79_device_reset_clear(AR724X_RESET_USB_HOST); - mdelay(10); - - ath79_device_reset_clear(AR724X_RESET_USB_PHY); - mdelay(10); - - ath79_usb_register("ehci-platform", -1, - AR724X_EHCI_BASE, AR724X_EHCI_SIZE, - ATH79_CPU_IRQ(3), - &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); -} - -static void __init ar913x_usb_setup(void) -{ - ath79_device_reset_set(AR913X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ath79_device_reset_clear(AR913X_RESET_USB_HOST); - mdelay(10); - - ath79_device_reset_clear(AR913X_RESET_USB_PHY); - mdelay(10); - - ath79_usb_register("ehci-platform", -1, - AR913X_EHCI_BASE, AR913X_EHCI_SIZE, - ATH79_CPU_IRQ(3), - &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); -} - -static void __init ar933x_usb_setup(void) -{ - ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ath79_device_reset_clear(AR933X_RESET_USB_HOST); - mdelay(10); - - ath79_device_reset_clear(AR933X_RESET_USB_PHY); - mdelay(10); - - ath79_usb_register("ehci-platform", -1, - AR933X_EHCI_BASE, AR933X_EHCI_SIZE, - ATH79_CPU_IRQ(3), - &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); -} - -static void __init ar934x_usb_setup(void) -{ - u32 bootstrap; - - bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); - if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE) - return; - - ath79_device_reset_set(AR934X_RESET_USBSUS_OVERRIDE); - udelay(1000); - - ath79_device_reset_clear(AR934X_RESET_USB_PHY); - udelay(1000); - - ath79_device_reset_clear(AR934X_RESET_USB_PHY_ANALOG); - udelay(1000); - - ath79_device_reset_clear(AR934X_RESET_USB_HOST); - udelay(1000); - - ath79_usb_register("ehci-platform", -1, - AR934X_EHCI_BASE, AR934X_EHCI_SIZE, - ATH79_CPU_IRQ(3), - &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); -} - -static void __init qca955x_usb_setup(void) -{ - ath79_usb_register("ehci-platform", 0, - QCA955X_EHCI0_BASE, QCA955X_EHCI_SIZE, - ATH79_IP3_IRQ(0), - &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); - - ath79_usb_register("ehci-platform", 1, - QCA955X_EHCI1_BASE, QCA955X_EHCI_SIZE, - ATH79_IP3_IRQ(1), - &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); -} - -void __init ath79_register_usb(void) -{ - if (soc_is_ar71xx()) - ath79_usb_setup(); - else if (soc_is_ar7240()) - ar7240_usb_setup(); - else if (soc_is_ar7241() || soc_is_ar7242()) - ar724x_usb_setup(); - else if (soc_is_ar913x()) - ar913x_usb_setup(); - else if (soc_is_ar933x()) - ar933x_usb_setup(); - else if (soc_is_ar934x()) - ar934x_usb_setup(); - else if (soc_is_qca955x()) - qca955x_usb_setup(); - else - BUG(); -} |