From patchwork Tue Oct 30 09:22:52 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 195343 X-Patchwork-Delegate: marek.vasut@gmail.com 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 A33AA2C007F for ; Tue, 30 Oct 2012 20:24:50 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 24E7F4A154; Tue, 30 Oct 2012 10:24:06 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de 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 fcKqFbrYLXVD; Tue, 30 Oct 2012 10:24:05 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 9DDF64A13C; Tue, 30 Oct 2012 10:23:19 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 32C2F4A126 for ; Tue, 30 Oct 2012 10:23:11 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de 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 OHX-iqImLHlh for ; Tue, 30 Oct 2012 10:23:09 +0100 (CET) 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 km20343-01.keymachine.de (ns.km20343-01.keymachine.de [84.19.182.79]) by theia.denx.de (Postfix) with ESMTP id DA0B34A125 for ; Tue, 30 Oct 2012 10:23:01 +0100 (CET) Received: from localhost.localdomain (g231091029.adsl.alicedsl.de [92.231.91.29]) by km20343-01.keymachine.de (Postfix) with ESMTPA id A55FB7D44B5; Tue, 30 Oct 2012 10:22:59 +0100 (CET) From: Lucas Stach To: Marek Vasut Date: Tue, 30 Oct 2012 10:22:52 +0100 Message-Id: <1351588973-20699-7-git-send-email-dev@lynxeye.de> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1351588973-20699-1-git-send-email-dev@lynxeye.de> References: <1351588973-20699-1-git-send-email-dev@lynxeye.de> MIME-Version: 1.0 Cc: u-boot@lists.denx.de, Tom Warren Subject: [U-Boot] =?utf-8?q?=5BPATCH_7/8=5D_tegra=3A_usb=3A_move_implement?= =?utf-8?q?ation_into_right_directory?= X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This moves the Tegra USB implementation into the drivers/usb/host directory. Signed-off-by: Lucas Stach --- arch/arm/cpu/armv7/tegra20/Makefile | 2 - .../tegra20/usb.c => drivers/usb/host/ehci-tegra.c | 60 ++++++++++++++++++++-- 2 Dateien geändert, 55 Zeilen hinzugefügt(+), 7 Zeilen entfernt(-) rename arch/arm/cpu/armv7/tegra20/usb.c => drivers/usb/host/ehci-tegra.c (92%) diff --git a/arch/arm/cpu/armv7/tegra20/Makefile b/arch/arm/cpu/armv7/tegra20/Makefile index 09a0314..2c4d5c9 100644 --- a/arch/arm/cpu/armv7/tegra20/Makefile +++ b/arch/arm/cpu/armv7/tegra20/Makefile @@ -27,8 +27,6 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS-$(CONFIG_USB_EHCI_TEGRA) += usb.o - COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/arch/arm/cpu/armv7/tegra20/usb.c b/drivers/usb/host/ehci-tegra.c similarity index 92% rename from arch/arm/cpu/armv7/tegra20/usb.c rename to drivers/usb/host/ehci-tegra.c index 2cc95d2..3df43a9 100644 --- a/arch/arm/cpu/armv7/tegra20/usb.c +++ b/drivers/usb/host/ehci-tegra.c @@ -1,6 +1,7 @@ /* + * Copyright (c) 2009-2012 NVIDIA Corporation * Copyright (c) 2011 The Chromium OS Authors. - * (C) Copyright 2010,2011 NVIDIA Corporation + * Copyright (c) 2012 Lucas Stach * * See file CREDITS for list of people who contributed to this * project. @@ -21,14 +22,16 @@ * MA 02111-1307 USA */ -#include #include -#include #include #include -#include -#include +#include +#include #include +#include +#include +#include +#include "ehci.h" #ifdef CONFIG_USB_ULPI #ifndef CONFIG_USB_ULPI_VIEWPORT @@ -138,6 +141,23 @@ static const u8 utmip_elastic_limit = 16; /* UTMIP High Speed Sync Start Delay */ static const u8 utmip_hs_sync_start_delay = 9; +/* + * A known hardware issue where Connect Status Change bit of PORTSC register + * of USB1 controller will be set after Port Reset. + * We have to clear it in order for later device enumeration to proceed. + * This ehci_powerup_fixup overrides the weak function ehci_powerup_fixup + * in "ehci-hcd.c". + */ +void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg) +{ + mdelay(50); + if (((u32) status_reg & TEGRA_USB_ADDR_MASK) != TEGRA_USB1_BASE) + return; + /* For EHCI_PS_CSC to be cleared in ehci_hcd.c */ + if (ehci_readl(status_reg) & EHCI_PS_CSC) + *reg |= EHCI_PS_CSC; +} + /* Put the port into host mode */ static void set_host_mode(struct fdt_usb *config) { @@ -534,3 +554,33 @@ int board_usb_init(const void *blob) return 0; } + +/* + * Create the appropriate control structures to manage + * a new EHCI host controller. + */ +int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + u32 our_hccr, our_hcor; + + /* + * Select the first port, as we don't have a way of selecting others + * yet + */ + if (tegrausb_start_port(index, &our_hccr, &our_hcor)) + return -1; + + *hccr = (struct ehci_hccr *)our_hccr; + *hcor = (struct ehci_hcor *)our_hcor; + + return 0; +} + +/* + * Destroy the appropriate control structures corresponding + * the the EHCI host controller. + */ +int ehci_hcd_stop(int index) +{ + return tegrausb_stop_port(index); +}