diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/gadget/ether.c | 21 | ||||
-rw-r--r-- | drivers/usb/host/Makefile | 5 | ||||
-rw-r--r-- | drivers/usb/host/ehci-fsl.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/ehci-mpc512x.c | 159 | ||||
-rw-r--r-- | drivers/usb/host/ehci-mxc.c | 132 | ||||
-rw-r--r-- | drivers/usb/host/ehci.h | 5 | ||||
-rw-r--r-- | drivers/usb/host/ohci-hcd.c | 2 | ||||
-rw-r--r-- | drivers/usb/musb/musb_hcd.c | 23 |
8 files changed, 327 insertions, 22 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index bc6480c78d..b22ca90fc6 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1276,9 +1276,6 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req) debug("%s: status %d\n", __func__, req->status); packet_received = 1; - - if (req) - dev->rx_req = req; } static int alloc_requests(struct eth_dev *dev, unsigned n, gfp_t gfp_flags) @@ -1287,16 +1284,18 @@ static int alloc_requests(struct eth_dev *dev, unsigned n, gfp_t gfp_flags) dev->tx_req = usb_ep_alloc_request(dev->in_ep, 0); if (!dev->tx_req) - goto fail; + goto fail1; dev->rx_req = usb_ep_alloc_request(dev->out_ep, 0); if (!dev->rx_req) - goto fail; + goto fail2; return 0; -fail: +fail2: + usb_ep_free_request(dev->in_ep, dev->tx_req); +fail1: error("can't alloc requests"); return -1; } @@ -1791,8 +1790,6 @@ static int usb_eth_init(struct eth_device *netdev, bd_t *bd) } dev->network_started = 0; - dev->tx_req = NULL; - dev->rx_req = NULL; packet_received = 0; packet_sent = 0; @@ -1813,6 +1810,7 @@ static int usb_eth_init(struct eth_device *netdev, bd_t *bd) usb_gadget_handle_interrupts(); } + packet_received = 0; rx_submit(dev, dev->rx_req, 0); return 0; fail: @@ -1823,15 +1821,13 @@ static int usb_eth_send(struct eth_device *netdev, volatile void *packet, int length) { int retval; - struct usb_request *req = NULL; struct eth_dev *dev = &l_ethdev; + struct usb_request *req = dev->tx_req; unsigned long ts; unsigned long timeout = USB_CONNECT_TIMEOUT; debug("%s:...\n", __func__); - req = dev->tx_req; - req->buf = (void *)packet; req->context = NULL; req->complete = tx_complete; @@ -1883,8 +1879,7 @@ static int usb_eth_recv(struct eth_device *netdev) NetReceive(NetRxPackets[0], dev->rx_req->length); packet_received = 0; - if (dev->rx_req) - rx_submit(dev, dev->rx_req, 0); + rx_submit(dev, dev->rx_req, 0); } else error("dev->rx_req invalid"); } diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 255679a186..0e7c9db9dc 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -35,7 +35,12 @@ COBJS-$(CONFIG_USB_SL811HS) += sl811-hcd.o # echi COBJS-$(CONFIG_USB_EHCI) += ehci-hcd.o +ifdef CONFIG_MPC512X +COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-mpc512x.o +else COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-fsl.o +endif +COBJS-$(CONFIG_USB_EHCI_MXC) += ehci-mxc.o COBJS-$(CONFIG_USB_EHCI_PPC4XX) += ehci-ppc4xx.o COBJS-$(CONFIG_USB_EHCI_IXP4XX) += ehci-ixp.o COBJS-$(CONFIG_USB_EHCI_KIRKWOOD) += ehci-kirkwood.o diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index c674929725..6e0043a502 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -40,7 +40,7 @@ int ehci_hcd_init(void) { struct usb_ehci *ehci; - ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR; + ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR; hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength); hcor = (struct ehci_hcor *)((uint32_t) hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); diff --git a/drivers/usb/host/ehci-mpc512x.c b/drivers/usb/host/ehci-mpc512x.c new file mode 100644 index 0000000000..d36010826b --- /dev/null +++ b/drivers/usb/host/ehci-mpc512x.c @@ -0,0 +1,159 @@ +/* + * (C) Copyright 2010, Damien Dusha, <d.dusha@gmail.com> + * + * (C) Copyright 2009, Value Team S.p.A. + * Francesco Rendine, <francesco.rendine@valueteam.com> + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB + * + * Author: Tor Krill tor@excito.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <pci.h> +#include <usb.h> +#include <asm/io.h> +#include <usb/ehci-fsl.h> + +#include "ehci.h" +#include "ehci-core.h" + +static void fsl_setup_phy(volatile struct ehci_hcor *); +static void fsl_platform_set_host_mode(volatile struct usb_ehci *ehci); +static int reset_usb_controller(volatile struct usb_ehci *ehci); +static void usb_platform_dr_init(volatile struct usb_ehci *ehci); + +/* + * Initialize SOC FSL EHCI Controller + * + * This code is derived from EHCI FSL USB Linux driver for MPC5121 + * + */ +int ehci_hcd_init(void) +{ + volatile struct usb_ehci *ehci; + + /* Hook the memory mapped registers for EHCI-Controller */ + ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR; + hccr = (struct ehci_hccr *)((uint32_t)&(ehci->caplength)); + hcor = (struct ehci_hcor *)((uint32_t) hccr + + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); + + /* configure interface for UTMI_WIDE */ + usb_platform_dr_init(ehci); + + /* Init Phy USB0 to UTMI+ */ + fsl_setup_phy(hcor); + + /* Set to host mode */ + fsl_platform_set_host_mode(ehci); + + /* + * Setting the burst size seems to be required to prevent the + * USB from hanging when communicating with certain USB Mass + * storage devices. This was determined by analysing the + * EHCI registers under Linux vs U-Boot and burstsize was the + * major non-interrupt related difference between the two + * implementations. + * + * Some USB sticks behave better than others. In particular, + * the following USB stick is especially problematic: + * 0930:6545 Toshiba Corp + * + * The burstsize is set here to match the Linux implementation. + */ + out_be32(&ehci->burstsize, FSL_EHCI_TXPBURST(8) | + FSL_EHCI_RXPBURST(8)); + + return 0; +} + +/* + * Destroy the appropriate control structures corresponding + * the the EHCI host controller. + */ +int ehci_hcd_stop(void) +{ + volatile struct usb_ehci *ehci; + int exit_status = 0; + + if (hcor) { + /* Unhook struct */ + hccr = NULL; + hcor = NULL; + + /* Reset the USB controller */ + ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR; + exit_status = reset_usb_controller(ehci); + } + + return exit_status; +} + +static int reset_usb_controller(volatile struct usb_ehci *ehci) +{ + unsigned int i; + + /* Command a reset of the USB Controller */ + out_be32(&(ehci->usbcmd), EHCI_FSL_USBCMD_RST); + + /* Wait for the reset process to finish */ + for (i = 65535 ; i > 0 ; i--) { + /* + * The host will set this bit to zero once the + * reset process is complete + */ + if ((in_be32(&(ehci->usbcmd)) & EHCI_FSL_USBCMD_RST) == 0) + return 0; + } + + /* Hub did not reset in time */ + return -1; +} + +static void fsl_setup_phy(volatile struct ehci_hcor *hcor) +{ + uint32_t portsc; + + portsc = ehci_readl(&hcor->or_portsc[0]); + portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW); + + /* Enable the phy mode to UTMI Wide */ + portsc |= PORT_PTS_PTW; + portsc |= PORT_PTS_UTMI; + + ehci_writel(&hcor->or_portsc[0], portsc); +} + +static void fsl_platform_set_host_mode(volatile struct usb_ehci *ehci) +{ + uint32_t temp; + + temp = in_le32(&ehci->usbmode); + temp |= CM_HOST | ES_BE; + out_le32(&ehci->usbmode, temp); +} + +static void usb_platform_dr_init(volatile struct usb_ehci *ehci) +{ + /* Configure interface for UTMI_WIDE */ + out_be32(&ehci->isiphyctrl, PHYCTRL_PHYE | PHYCTRL_PXE); + out_be32(&ehci->usbgenctrl, GC_PPP | GC_PFP ); +} diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c new file mode 100644 index 0000000000..8d7b3804fa --- /dev/null +++ b/drivers/usb/host/ehci-mxc.c @@ -0,0 +1,132 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + +#include <common.h> +#include <usb.h> +#include <asm/io.h> +#include <asm/arch/mx31-regs.h> +#include <usb/ehci-fsl.h> +#include <errno.h> + +#include "ehci.h" +#include "ehci-core.h" + +#define USBCTRL_OTGBASE_OFFSET 0x600 + +#define MX31_OTG_SIC_SHIFT 29 +#define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT) +#define MX31_OTG_PM_BIT (1 << 24) + +#define MX31_H2_SIC_SHIFT 21 +#define MX31_H2_SIC_MASK (0x3 << MX31_H2_SIC_SHIFT) +#define MX31_H2_PM_BIT (1 << 16) +#define MX31_H2_DT_BIT (1 << 5) + +#define MX31_H1_SIC_SHIFT 13 +#define MX31_H1_SIC_MASK (0x3 << MX31_H1_SIC_SHIFT) +#define MX31_H1_PM_BIT (1 << 8) +#define MX31_H1_DT_BIT (1 << 4) + +static int mxc_set_usbcontrol(int port, unsigned int flags) +{ + unsigned int v; +#ifdef CONFIG_MX31 + v = readl(MX31_OTG_BASE_ADDR + USBCTRL_OTGBASE_OFFSET); + + switch (port) { + case 0: /* OTG port */ + v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) + << MX31_OTG_SIC_SHIFT; + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_OTG_PM_BIT; + + break; + case 1: /* H1 port */ + v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | + MX31_H1_DT_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) + << MX31_H1_SIC_SHIFT; + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_H1_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX31_H1_DT_BIT; + + break; + case 2: /* H2 port */ + v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | + MX31_H2_DT_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) + << MX31_H2_SIC_SHIFT; + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_H2_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX31_H2_DT_BIT; + + break; + default: + return -EINVAL; + } + + writel(v, MX31_OTG_BASE_ADDR + + USBCTRL_OTGBASE_OFFSET); +#endif + return 0; +} + +int ehci_hcd_init(void) +{ + u32 tmp; + struct usb_ehci *ehci; + struct clock_control_regs *sc_regs = + (struct clock_control_regs *)CCM_BASE; + + tmp = __raw_readl(&sc_regs->ccmr); + __raw_writel(__raw_readl(&sc_regs->ccmr) | (1 << 9), &sc_regs->ccmr) ; + + udelay(80); + + /* Take USB2 */ + ehci = (struct usb_ehci *)(MX31_OTG_BASE_ADDR + + (0x200 * CONFIG_MXC_USB_PORT)); + hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength); + hcor = (struct ehci_hcor *)((uint32_t) hccr + + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); + setbits_le32(&ehci->usbmode, CM_HOST); + setbits_le32(&ehci->control, USB_EN); + + __raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); + + mxc_set_usbcontrol(CONFIG_MXC_USB_PORT, CONFIG_MXC_USB_FLAGS); + + udelay(10000); + + return 0; +} + +/* + * Destroy the appropriate control structures corresponding + * the the EHCI host controller. + */ +int ehci_hcd_stop(void) +{ + return 0; +} diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index b3c1d5d728..6fae8baf95 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -71,6 +71,11 @@ struct ehci_hcor { #define STD_ASS (1 << 15) #define STS_HALT (1 << 12) uint32_t or_usbintr; +#define INTR_UE (1 << 0) /* USB interrupt enable */ +#define INTR_UEE (1 << 1) /* USB error interrupt enable */ +#define INTR_PCE (1 << 2) /* Port change detect enable */ +#define INTR_SEE (1 << 4) /* system error enable */ +#define INTR_AAE (1 << 5) /* Interrupt on async adavance enable */ uint32_t or_frindex; uint32_t or_ctrldssegment; uint32_t or_periodiclistbase; diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 3f76c4e9f0..d246978962 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1529,7 +1529,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, if (usb_pipebulk(pipe)) timeout = BULK_TO; else - timeout = 100; + timeout = 1000; /* wait for it to complete */ for (;;) { diff --git a/drivers/usb/musb/musb_hcd.c b/drivers/usb/musb/musb_hcd.c index af989aa78d..f38b279096 100644 --- a/drivers/usb/musb/musb_hcd.c +++ b/drivers/usb/musb/musb_hcd.c @@ -144,19 +144,28 @@ static void write_toggle(struct usb_device *dev, u8 ep, u8 dir_out) u16 csr; if (dir_out) { - if (!toggle) - writew(MUSB_TXCSR_CLRDATATOG, &musbr->txcsr); - else { - csr = readw(&musbr->txcsr); + csr = readw(&musbr->txcsr); + if (!toggle) { + if (csr & MUSB_TXCSR_MODE) + csr = MUSB_TXCSR_CLRDATATOG; + else + csr = 0; + writew(csr, &musbr->txcsr); + } else { csr |= MUSB_TXCSR_H_WR_DATATOGGLE; writew(csr, &musbr->txcsr); csr |= (toggle << MUSB_TXCSR_H_DATATOGGLE_SHIFT); writew(csr, &musbr->txcsr); } } else { - if (!toggle) - writew(MUSB_RXCSR_CLRDATATOG, &musbr->rxcsr); - else { + if (!toggle) { + csr = readw(&musbr->txcsr); + if (csr & MUSB_TXCSR_MODE) + csr = MUSB_RXCSR_CLRDATATOG; + else + csr = 0; + writew(csr, &musbr->rxcsr); + } else { csr = readw(&musbr->rxcsr); csr |= MUSB_RXCSR_H_WR_DATATOGGLE; writew(csr, &musbr->rxcsr); |