From patchwork Tue May 5 21:56:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 468501 X-Patchwork-Delegate: sjg@chromium.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 267861402D5 for ; Wed, 6 May 2015 07:58:22 +1000 (AEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id DDC014B7D7; Tue, 5 May 2015 23:57:58 +0200 (CEST) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rd-9yZfPJa7D; Tue, 5 May 2015 23:57:58 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 8D0F44B852; Tue, 5 May 2015 23:57:17 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 2CE8D4B7E3 for ; Tue, 5 May 2015 23:57:09 +0200 (CEST) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id s5CcKq9HW1tC for ; Tue, 5 May 2015 23:57:09 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by theia.denx.de (Postfix) with ESMTPS id 5420B4B7E4 for ; Tue, 5 May 2015 23:56:50 +0200 (CEST) Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id BBA832BB3A0; Tue, 5 May 2015 21:56:48 +0000 (UTC) Received: from localhost.localdomain.com (vpn1-7-61.ams2.redhat.com [10.36.7.61]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t45LuM0P010876; Tue, 5 May 2015 17:56:47 -0400 From: Hans de Goede To: Simon Glass , Marek Vasut Date: Tue, 5 May 2015 23:56:19 +0200 Message-Id: <1430862979-4684-17-git-send-email-hdegoede@redhat.com> In-Reply-To: <1430862979-4684-1-git-send-email-hdegoede@redhat.com> References: <1430862979-4684-1-git-send-email-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 Cc: u-boot@lists.denx.de, Ian Campbell Subject: [U-Boot] [PATCH 16/16] sunxi: ohci: Add ohci usb host controller support X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" This commit adds support for the OHCI companionen controller, which makes usb-1 devices directly plugged into to usb root port work. Note for now this switches usb-keyboard support for sunxi back from int-queue support to the old interrupt polling method. Adding int-queue support to the ohci code and switching back to int-queue support is in the works. Signed-off-by: Hans de Goede Acked-by: Marek Vasut Acked-by: Ian Campbell --- arch/arm/include/asm/arch-sunxi/clock_sun4i.h | 2 + drivers/usb/host/Makefile | 1 + drivers/usb/host/ohci-sunxi.c | 100 ++++++++++++++++++++++++++ include/configs/sunxi-common.h | 5 +- 4 files changed, 107 insertions(+), 1 deletion(-) create mode 100644 drivers/usb/host/ohci-sunxi.c diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h index c28ee05..63c3319 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h @@ -320,6 +320,8 @@ struct sunxi_ccm_reg { #define CCM_USB_CTRL_PHY0_RST (0x1 << 0) #define CCM_USB_CTRL_PHY1_RST (0x1 << 1) #define CCM_USB_CTRL_PHY2_RST (0x1 << 2) +#define CCM_USB_CTRL_OHCI0_CLK (0x1 << 6) +#define CCM_USB_CTRL_OHCI1_CLK (0x1 << 7) #define CCM_USB_CTRL_PHYGATE (0x1 << 8) /* These 3 are sun6i only, define them as 0 on sun4i */ #define CCM_USB_CTRL_PHY0_CLK 0 diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 3b57e56..4d35d3e 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o obj-$(CONFIG_USB_SL811HS) += sl811-hcd.o obj-$(CONFIG_USB_OHCI_S3C24XX) += ohci-s3c24xx.o obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o +obj-$(CONFIG_USB_OHCI_SUNXI) += ohci-sunxi.o # echi obj-$(CONFIG_USB_EHCI) += ehci-hcd.o diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c new file mode 100644 index 0000000..4276d06 --- /dev/null +++ b/drivers/usb/host/ohci-sunxi.c @@ -0,0 +1,100 @@ +/* + * Sunxi ohci glue + * + * Copyright (C) 2015 Hans de Goede + * + * Based on code from + * Allwinner Technology Co., Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include "ohci.h" + +struct ohci_sunxi_priv { + ohci_t ohci; + int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ + int usb_gate_mask; /* Mask of usb_clk_cfg clk gate bits for this hcd */ + int phy_index; /* Index of the usb-phy attached to this hcd */ +}; + +static int ohci_usb_probe(struct udevice *dev) +{ + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev); + struct ohci_sunxi_priv *priv = dev_get_priv(dev); + struct ohci_regs *regs = (struct ohci_regs *)dev_get_addr(dev); + + bus_priv->companion = true; + + if (regs == (void *)(SUNXI_USB1_BASE + 0x400)) { + priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0; + priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK; + priv->phy_index = 1; + } else { + priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI1; + priv->usb_gate_mask = CCM_USB_CTRL_OHCI1_CLK; + priv->phy_index = 2; + } + + setbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask); + setbits_le32(&ccm->usb_clk_cfg, priv->usb_gate_mask); +#ifdef CONFIG_SUNXI_GEN_SUN6I + setbits_le32(&ccm->ahb_reset0_cfg, priv->ahb_gate_mask); +#endif + + sunxi_usb_phy_init(priv->phy_index); + sunxi_usb_phy_power_on(priv->phy_index); + + return ohci_register(dev, regs); +} + +static int ohci_usb_remove(struct udevice *dev) +{ + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct ohci_sunxi_priv *priv = dev_get_priv(dev); + int ret; + + ret = ohci_deregister(dev); + if (ret) + return ret; + + sunxi_usb_phy_power_off(priv->phy_index); + sunxi_usb_phy_exit(priv->phy_index); + +#ifdef CONFIG_SUNXI_GEN_SUN6I + clrbits_le32(&ccm->ahb_reset0_cfg, priv->ahb_gate_mask); +#endif + clrbits_le32(&ccm->usb_clk_cfg, priv->usb_gate_mask); + clrbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask); + + return 0; +} + +static const struct udevice_id ohci_usb_ids[] = { + { .compatible = "allwinner,sun4i-a10-ohci", }, + { .compatible = "allwinner,sun5i-a13-ohci", }, + { .compatible = "allwinner,sun6i-a31-ohci", }, + { .compatible = "allwinner,sun7i-a20-ohci", }, + { .compatible = "allwinner,sun8i-a23-ohci", }, + { .compatible = "allwinner,sun9i-a80-ohci", }, + { } +}; + +U_BOOT_DRIVER(usb_ohci) = { + .name = "ohci_sunxi", + .id = UCLASS_USB, + .of_match = ohci_usb_ids, + .probe = ohci_usb_probe, + .remove = ohci_usb_remove, + .ops = &ohci_usb_ops, + .platdata_auto_alloc_size = sizeof(struct usb_platdata), + .priv_auto_alloc_size = sizeof(struct ohci_sunxi_priv), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index dfe7213..b888828 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -363,6 +363,9 @@ extern int soft_i2c_gpio_scl; #endif #ifdef CONFIG_USB_EHCI +#define CONFIG_USB_OHCI_NEW +#define CONFIG_USB_OHCI_SUNXI +#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1 #endif @@ -380,7 +383,7 @@ extern int soft_i2c_gpio_scl; #define CONFIG_CONSOLE_MUX #define CONFIG_PREBOOT #define CONFIG_SYS_STDIO_DEREGISTER -#define CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE +#define CONFIG_SYS_USB_EVENT_POLL #endif #if !defined CONFIG_ENV_IS_IN_MMC && \