libpayload: Add dwc2 usb driver
BUG=chrome-os-partner:29778 TEST=emerge-veyron libpayload Change-Id: I33f312a939e600b8f4e50a092bb61c5d6bc6d741 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 39ffe53336a2a3b2baa067cdd3dccca5ae93f68e Original-Change-Id: Idad1ad165fd44df635a0cb13bfec6fada1378bc8 Original-Signed-off-by: huang lin <hl@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/211053 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/9453 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
huang lin
Patrick Georgi
parent
fff922bd14
commit
365250e61e
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@ -470,6 +470,12 @@ config USB_XHCI
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Select this option if you want to use USB 3.0
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Select this option if you want to use USB 3.0
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NOTE: This option is not (fully) implemented yet
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NOTE: This option is not (fully) implemented yet
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config USB_DWC2
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bool "Support for USB DesignWare HCD controllers"
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depends on USB && !USB_HID
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help
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Select this option if you want to use DesignWare USB 2.0 host controller
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config USB_HID
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config USB_HID
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bool "Support for USB keyboards"
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bool "Support for USB keyboards"
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depends on USB
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depends on USB
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@ -60,6 +60,7 @@ CONFIG_LP_USB_HID=y
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CONFIG_LP_USB_HUB=y
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CONFIG_LP_USB_HUB=y
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CONFIG_LP_USB_MSC=y
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CONFIG_LP_USB_MSC=y
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CONFIG_LP_USB_GEN_HUB=y
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CONFIG_LP_USB_GEN_HUB=y
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# CONFIG_LP_USB_DWC2 is not set
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# CONFIG_LP_USB_PCI is not set
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# CONFIG_LP_USB_PCI is not set
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# CONFIG_LP_BIG_ENDIAN is not set
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# CONFIG_LP_BIG_ENDIAN is not set
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CONFIG_LP_LITTLE_ENDIAN=y
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CONFIG_LP_LITTLE_ENDIAN=y
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@ -78,6 +78,7 @@ CONFIG_LP_USB_HID=y
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CONFIG_LP_USB_HUB=y
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CONFIG_LP_USB_HUB=y
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CONFIG_LP_USB_MSC=y
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CONFIG_LP_USB_MSC=y
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CONFIG_LP_USB_GEN_HUB=y
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CONFIG_LP_USB_GEN_HUB=y
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# CONFIG_LP_USB_DWC2 is not set
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CONFIG_LP_USB_PCI=y
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CONFIG_LP_USB_PCI=y
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# CONFIG_LP_BIG_ENDIAN is not set
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# CONFIG_LP_BIG_ENDIAN is not set
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CONFIG_LP_LITTLE_ENDIAN=y
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CONFIG_LP_LITTLE_ENDIAN=y
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@ -71,6 +71,7 @@ CONFIG_LP_USB_HID=y
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CONFIG_LP_USB_HUB=y
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CONFIG_LP_USB_HUB=y
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CONFIG_LP_USB_MSC=y
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CONFIG_LP_USB_MSC=y
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CONFIG_LP_USB_GEN_HUB=y
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CONFIG_LP_USB_GEN_HUB=y
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# CONFIG_LP_USB_DWC2 is not set
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# CONFIG_LP_USB_PCI is not set
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# CONFIG_LP_USB_PCI is not set
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# CONFIG_LP_BIG_ENDIAN is not set
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# CONFIG_LP_BIG_ENDIAN is not set
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CONFIG_LP_LITTLE_ENDIAN=y
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CONFIG_LP_LITTLE_ENDIAN=y
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@ -100,6 +100,8 @@ libc-$(CONFIG_LP_USB_XHCI) += usb/xhci_commands.c
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libc-$(CONFIG_LP_USB_XHCI) += usb/xhci_rh.c
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libc-$(CONFIG_LP_USB_XHCI) += usb/xhci_rh.c
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libc-$(CONFIG_LP_USB_HID) += usb/usbhid.c
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libc-$(CONFIG_LP_USB_HID) += usb/usbhid.c
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libc-$(CONFIG_LP_USB_MSC) += usb/usbmsc.c
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libc-$(CONFIG_LP_USB_MSC) += usb/usbmsc.c
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libc-$(CONFIG_LP_USB_DWC2) += usb/dwc2.c
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libc-$(CONFIG_LP_USB_DWC2) += usb/dwc2_rh.c
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# used by both USB HID and keyboard
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# used by both USB HID and keyboard
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libc-y += hid.c
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libc-y += hid.c
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@ -0,0 +1,356 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2014 Rockchip Electronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <libpayload.h>
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#include <arch/cache.h>
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#include "dwc2.h"
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#include "dwc2_private.h"
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static void dummy(hci_t *controller)
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{
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}
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static void dwc2_reinit(hci_t *controller)
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{
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dwc2_reg_t *reg = DWC2_REG(controller);
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gusbcfg_t gusbcfg = { .d32 = 0 };
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grstctl_t grstctl = { .d32 = 0 };
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gintsts_t gintsts = { .d32 = 0 };
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gahbcfg_t gahbcfg = { .d32 = 0 };
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grxfsiz_t grxfsiz = { .d32 = 0 };
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hcintmsk_t hcintmsk = { .d32 = 0 };
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gnptxfsiz_t gnptxfsiz = { .d32 = 0 };
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const int timeout = 10000;
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int i;
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/* Wait for AHB idle */
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for (i = 0; i < timeout; i++) {
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udelay(1);
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grstctl.d32 = readl(®->core.grstctl);
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if (grstctl.ahbidle)
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break;
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}
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if (i == timeout)
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fatal("DWC2 Init error AHB Idle\n");
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/* Restart the Phy Clock */
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writel(0x0, ®->pcgr.pcgcctl);
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/* Core soft reset */
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grstctl.csftrst = 1;
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writel(grstctl.d32, ®->core.grstctl);
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for (i = 0; i < timeout; i++) {
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udelay(1);
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grstctl.d32 = readl(®->core.grstctl);
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if (!grstctl.csftrst)
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break;
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}
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if (i == timeout)
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fatal("DWC2 Init error reset fail\n");
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/* Set 16bit PHY if & Force host mode */
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gusbcfg.d32 = readl(®->core.gusbcfg);
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gusbcfg.phyif = 1;
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gusbcfg.forcehstmode = 1;
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gusbcfg.forcedevmode = 0;
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writel(gusbcfg.d32, ®->core.gusbcfg);
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/* Wait for force host mode effect, it may takes 100ms */
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for (i = 0; i < timeout; i++) {
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udelay(10);
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gintsts.d32 = readl(®->core.gintsts);
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if (gintsts.curmod)
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break;
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}
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if (i == timeout)
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fatal("DWC2 Init error force host mode fail\n");
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/*
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* Config FIFO
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* The non-periodic tx fifo and rx fifo share one continuous
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* piece of IP-internal SRAM.
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*/
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grxfsiz.rxfdep = DWC2_RXFIFO_DEPTH;
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writel(grxfsiz.d32, ®->core.grxfsiz);
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gnptxfsiz.nptxfstaddr = DWC2_RXFIFO_DEPTH;
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gnptxfsiz.nptxfdep = DWC2_NPTXFIFO_DEPTH;
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writel(gnptxfsiz.d32, ®->core.gnptxfsiz);
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/* Init host channels */
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hcintmsk.xfercomp = 1;
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hcintmsk.xacterr = 1;
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hcintmsk.stall = 1;
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hcintmsk.chhltd = 1;
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hcintmsk.bblerr = 1;
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for (i = 0; i < MAX_EPS_CHANNELS; i++)
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writel(hcintmsk.d32, ®->host.hchn[i].hcintmaskn);
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/* Unmask interrupt and configure DMA mode */
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gahbcfg.glblintrmsk = 1;
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gahbcfg.hbstlen = DMA_BURST_INCR8;
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gahbcfg.dmaen = 1;
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writel(gahbcfg.d32, ®->core.gahbcfg);
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DWC2_INST(controller)->hprt0 = ®->host.hprt;
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usb_debug("DWC2 init finished!\n");
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}
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static void dwc2_shutdown(hci_t *controller)
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{
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detach_controller(controller);
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free(DWC2_INST(controller)->dma_buffer);
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free(DWC2_INST(controller));
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free(controller);
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}
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/*
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* This function returns the actual transfer length when the transfer succeeded
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* or an error code if the transfer failed
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*/
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static int
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wait_for_complete(endpoint_t *ep, uint32_t ch_num)
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{
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hcint_t hcint;
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hcchar_t hcchar;
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hctsiz_t hctsiz;
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dwc2_reg_t *reg = DWC2_REG(ep->dev->controller);
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int timeout = 600000; /* time out after 600000 * 5us == 3s */
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/*
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* TODO: We should take care of up to three times of transfer error
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* retry here, according to the USB 2.0 spec 4.5.2
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*/
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do {
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udelay(5);
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hcint.d32 = readl(®->host.hchn[ch_num].hcintn);
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hctsiz.d32 = readl(®->host.hchn[ch_num].hctsizn);
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if (hcint.chhltd) {
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writel(hcint.d32, ®->host.hchn[ch_num].hcintn);
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if (hcint.xfercomp)
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return hctsiz.xfersize;
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else if (hcint.xacterr)
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return -HCSTAT_XFERERR;
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else if (hcint.bblerr)
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return -HCSTAT_BABBLE;
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else if (hcint.stall)
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return -HCSTAT_STALL;
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else
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return -HCSTAT_UNKNOW;
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}
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} while (timeout--);
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/* Release the channel on timeout */
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hcchar.d32 = readl(®->host.hchn[ch_num].hccharn);
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if (hcchar.chen) {
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/*
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* Programming the HCCHARn register with the chdis and
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* chena bits set to 1 at the same time to disable the
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* channel and the core will generate a channel halted
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* interrupt.
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*/
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hcchar.chdis = 1;
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writel(hcchar.d32, ®->host.hchn[ch_num].hccharn);
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do {
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hcchar.d32 = readl(®->host.hchn[ch_num].hccharn);
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} while (hcchar.chen);
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}
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/* Clear all pending interrupt flags */
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hcint.d32 = ~0;
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writel(hcint.d32, ®->host.hchn[ch_num].hcintn);
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return -HCSTAT_TIMEOUT;
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}
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static int
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dwc2_transfer(endpoint_t *ep, int size, int pid, ep_dir_t dir,
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uint32_t ch_num, u8 *data_buf)
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{
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uint32_t do_copy;
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int ret;
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uint32_t packet_cnt;
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uint32_t packet_size;
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uint32_t transferred = 0;
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uint32_t inpkt_length;
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hctsiz_t hctsiz = { .d32 = 0 };
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hcchar_t hcchar = { .d32 = 0 };
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void *aligned_buf;
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dwc2_reg_t *reg = DWC2_REG(ep->dev->controller);
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packet_size = ep->maxpacketsize;
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packet_cnt = ALIGN_UP(size, packet_size) / packet_size;
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inpkt_length = packet_cnt * packet_size;
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/* At least 1 packet should be programed */
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packet_cnt = (packet_cnt == 0) ? 1 : packet_cnt;
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/*
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* For an IN, this field is the buffer size that the application has
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* reserved for the transfer. The application should program this field
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* as integer multiple of the maximum packet size for IN transactions.
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*/
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hctsiz.xfersize = (dir == EPDIR_OUT) ? size : inpkt_length;
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hctsiz.pktcnt = packet_cnt;
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hctsiz.pid = pid;
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hcchar.mps = packet_size;
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hcchar.epnum = ep->endpoint & 0xf;
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hcchar.epdir = dir;
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hcchar.eptype = ep->type;
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hcchar.multicnt = 1;
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hcchar.devaddr = ep->dev->address;
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hcchar.chdis = 0;
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hcchar.chen = 1;
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if (size > DMA_SIZE) {
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usb_debug("Transfer too large: %d\n", size);
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return -1;
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}
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/*
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* Check the buffer address which should be 4-byte aligned and DMA
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* coherent
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*/
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do_copy = !dma_coherent(data_buf) || ((uintptr_t)data_buf & 0x3);
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aligned_buf = do_copy ? DWC2_INST(ep->dev->controller)->dma_buffer :
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data_buf;
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if (do_copy && (dir == EPDIR_OUT))
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memcpy(aligned_buf, data_buf, size);
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writel(hctsiz.d32, ®->host.hchn[ch_num].hctsizn);
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writel((uint32_t)aligned_buf, ®->host.hchn[ch_num].hcdman);
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writel(hcchar.d32, ®->host.hchn[ch_num].hccharn);
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ret = wait_for_complete(ep, ch_num);
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if (ret >= 0) {
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/* Calculate actual transferred length */
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transferred = (dir == EPDIR_IN) ? inpkt_length - ret : ret;
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if (do_copy && (dir == EPDIR_IN))
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memcpy(data_buf, aligned_buf, transferred);
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}
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/* Save data toggle */
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hctsiz.d32 = readl(®->host.hchn[ch_num].hctsizn);
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ep->toggle = hctsiz.pid;
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if (ret < 0) {
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usb_debug("%s Transfer stop code: %x\n", __func__, ret);
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return ret;
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}
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return transferred;
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}
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static int
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dwc2_bulk(endpoint_t *ep, int size, u8 *src, int finalize)
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{
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ep_dir_t data_dir;
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if (ep->direction == IN)
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data_dir = EPDIR_IN;
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else if (ep->direction == OUT)
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data_dir = EPDIR_OUT;
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else
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return -1;
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return dwc2_transfer(ep, size, ep->toggle, data_dir, 0, src);
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}
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static int
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dwc2_control(usbdev_t *dev, direction_t dir, int drlen, void *setup,
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int dalen, u8 *src)
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{
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int ret = 0;
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ep_dir_t data_dir;
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if (dir == IN)
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||||||
|
data_dir = EPDIR_IN;
|
||||||
|
else if (dir == OUT)
|
||||||
|
data_dir = EPDIR_OUT;
|
||||||
|
else
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
/* Setup Phase */
|
||||||
|
if (dwc2_transfer(&dev->endpoints[0], drlen, PID_SETUP, EPDIR_OUT, 0,
|
||||||
|
setup) < 0)
|
||||||
|
return -1;
|
||||||
|
/* Data Phase */
|
||||||
|
if (dalen > 0) {
|
||||||
|
ret = dwc2_transfer(&dev->endpoints[0], dalen, PID_DATA1,
|
||||||
|
data_dir, 0, src);
|
||||||
|
if (ret < 0)
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
/* Status Phase */
|
||||||
|
if (dwc2_transfer(&dev->endpoints[0], 0, PID_DATA1, !data_dir, 0,
|
||||||
|
NULL) < 0)
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
hci_t *dwc2_init(void *bar)
|
||||||
|
{
|
||||||
|
hci_t *controller = new_controller();
|
||||||
|
controller->instance = xzalloc(sizeof(dwc_ctrl_t));
|
||||||
|
|
||||||
|
DWC2_INST(controller)->dma_buffer = dma_malloc(DMA_SIZE);
|
||||||
|
if (!DWC2_INST(controller)->dma_buffer) {
|
||||||
|
usb_debug("Not enough DMA memory for DWC2 bounce buffer\n");
|
||||||
|
goto free_dwc2;
|
||||||
|
}
|
||||||
|
|
||||||
|
controller->type = DWC2;
|
||||||
|
controller->start = dummy;
|
||||||
|
controller->stop = dummy;
|
||||||
|
controller->reset = dummy;
|
||||||
|
controller->init = dwc2_reinit;
|
||||||
|
controller->shutdown = dwc2_shutdown;
|
||||||
|
controller->bulk = dwc2_bulk;
|
||||||
|
controller->control = dwc2_control;
|
||||||
|
controller->set_address = generic_set_address;
|
||||||
|
controller->finish_device_config = NULL;
|
||||||
|
controller->destroy_device = NULL;
|
||||||
|
controller->create_intr_queue = NULL;
|
||||||
|
controller->destroy_intr_queue = NULL;
|
||||||
|
controller->poll_intr_queue = NULL;
|
||||||
|
controller->reg_base = (uintptr_t)bar;
|
||||||
|
init_device_entry(controller, 0);
|
||||||
|
|
||||||
|
/* Init controller */
|
||||||
|
controller->init(controller);
|
||||||
|
|
||||||
|
/* Setup up root hub */
|
||||||
|
controller->devices[0]->controller = controller;
|
||||||
|
controller->devices[0]->init = dwc2_rh_init;
|
||||||
|
controller->devices[0]->init(controller->devices[0]);
|
||||||
|
return controller;
|
||||||
|
|
||||||
|
free_dwc2:
|
||||||
|
detach_controller(controller);
|
||||||
|
free(DWC2_INST(controller));
|
||||||
|
free(controller);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,27 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2014 Rockchip Electronics
|
||||||
|
*
|
||||||
|
* 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; version 2 of the License.
|
||||||
|
*
|
||||||
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DWC2_HCD_H__
|
||||||
|
#define __DWC2_HCD_H__
|
||||||
|
#include <usb/usb.h>
|
||||||
|
|
||||||
|
hci_t *dwc2_init(void *bar);
|
||||||
|
void dwc2_rh_init (usbdev_t *dev);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,643 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2014 Rockchip Electronics
|
||||||
|
*
|
||||||
|
* 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; version 2 of the License.
|
||||||
|
*
|
||||||
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DWC2_REGS_H__
|
||||||
|
#define __DWC2_REGS_H__
|
||||||
|
#define MAX_EPS_CHANNELS 16
|
||||||
|
|
||||||
|
typedef struct core_reg {
|
||||||
|
uint32_t gotgctl;
|
||||||
|
uint32_t gotgint;
|
||||||
|
uint32_t gahbcfg;
|
||||||
|
uint32_t gusbcfg;
|
||||||
|
uint32_t grstctl;
|
||||||
|
uint32_t gintsts;
|
||||||
|
uint32_t gintmsk;
|
||||||
|
uint32_t grxstsr;
|
||||||
|
uint32_t grxstsp;
|
||||||
|
uint32_t grxfsiz;
|
||||||
|
uint32_t gnptxfsiz;
|
||||||
|
uint32_t gnptxsts;
|
||||||
|
uint32_t gi2cctl;
|
||||||
|
uint32_t gpvndctl;
|
||||||
|
uint32_t ggpio;
|
||||||
|
uint32_t guid;
|
||||||
|
uint32_t gsnpsid;
|
||||||
|
uint32_t ghwcfg1;
|
||||||
|
uint32_t ghwcfg2;
|
||||||
|
uint32_t ghwcfg3;
|
||||||
|
uint32_t ghwcfg4;
|
||||||
|
uint32_t reserved1[(0x100 - 0x54) / 4];
|
||||||
|
uint32_t hptxfsiz;
|
||||||
|
uint32_t dptxfsiz_dieptxf[15];
|
||||||
|
uint32_t reserved2[(0x400 - 0x140) / 4];
|
||||||
|
} core_reg_t;
|
||||||
|
|
||||||
|
typedef struct hc_reg {
|
||||||
|
uint32_t hccharn;
|
||||||
|
uint32_t hcspltn;
|
||||||
|
uint32_t hcintn;
|
||||||
|
uint32_t hcintmaskn;
|
||||||
|
uint32_t hctsizn;
|
||||||
|
uint32_t hcdman;
|
||||||
|
uint32_t reserved[2];
|
||||||
|
} hc_reg_t;
|
||||||
|
|
||||||
|
/* Host Mode Register Structures */
|
||||||
|
typedef struct host_reg {
|
||||||
|
uint32_t hcfg;
|
||||||
|
uint32_t hfir;
|
||||||
|
uint32_t hfnum;
|
||||||
|
uint32_t reserved0;
|
||||||
|
uint32_t hptxsts;
|
||||||
|
uint32_t haint;
|
||||||
|
uint32_t haintmsk;
|
||||||
|
uint32_t reserved1[(0x440 - 0x41c) / 4];
|
||||||
|
uint32_t hprt;
|
||||||
|
uint32_t reserved2[(0x500 - 0x444) / 4];
|
||||||
|
hc_reg_t hchn[MAX_EPS_CHANNELS];
|
||||||
|
uint32_t reserved3[(0x800 - 0x700) / 4];
|
||||||
|
} host_reg_t;
|
||||||
|
|
||||||
|
/* Device IN ep reg */
|
||||||
|
typedef struct in_ep_reg {
|
||||||
|
uint32_t diepctl;
|
||||||
|
uint32_t reserved04;
|
||||||
|
uint32_t diepint;
|
||||||
|
uint32_t reserved0c;
|
||||||
|
uint32_t dieptsiz;
|
||||||
|
uint32_t diepdma;
|
||||||
|
uint32_t dtxfsts;
|
||||||
|
uint32_t diepdmab;
|
||||||
|
} in_ep_reg_t;
|
||||||
|
|
||||||
|
typedef struct out_ep_reg {
|
||||||
|
uint32_t doepctl;
|
||||||
|
uint32_t reserved04;
|
||||||
|
uint32_t doepint;
|
||||||
|
uint32_t reserved0c;
|
||||||
|
uint32_t doeptsiz;
|
||||||
|
uint32_t doepdma;
|
||||||
|
uint32_t reserved18;
|
||||||
|
uint32_t doepdmab;
|
||||||
|
} out_ep_reg_t;
|
||||||
|
|
||||||
|
/* Device Mode Registers Structures */
|
||||||
|
typedef struct device_reg {
|
||||||
|
uint32_t dcfg;
|
||||||
|
uint32_t dctl;
|
||||||
|
uint32_t dsts;
|
||||||
|
uint32_t unused;
|
||||||
|
uint32_t diepmsk;
|
||||||
|
uint32_t doepmsk;
|
||||||
|
uint32_t daint;
|
||||||
|
uint32_t daintmsk;
|
||||||
|
uint32_t dtknqr1;
|
||||||
|
uint32_t dtknqr2;
|
||||||
|
uint32_t dvbusdis;
|
||||||
|
uint32_t dvbuspulse;
|
||||||
|
uint32_t dtknqr3_dthrctl;
|
||||||
|
uint32_t dtknqr4_fifoemptymsk;
|
||||||
|
uint32_t reserved1[(0x900 - 0x838) / 4];
|
||||||
|
|
||||||
|
in_ep_reg_t inep[MAX_EPS_CHANNELS];
|
||||||
|
out_ep_reg_t outep[MAX_EPS_CHANNELS];
|
||||||
|
uint32_t reserved8[(0xe00 - 0xd00) / 4];
|
||||||
|
} device_reg_t;
|
||||||
|
|
||||||
|
typedef struct pwr_clk_ctrl_reg {
|
||||||
|
uint32_t pcgcctl;
|
||||||
|
uint32_t reserved[(0x1000 - 0xe04) / 4];
|
||||||
|
} pwr_clk_ctrl_reg_t;
|
||||||
|
|
||||||
|
typedef struct data_fifo {
|
||||||
|
uint32_t dataport;
|
||||||
|
uint32_t reserved[(0x1000 - 0x004) / 4];
|
||||||
|
} data_fifo_t;
|
||||||
|
|
||||||
|
typedef struct dwc2_otg_reg {
|
||||||
|
core_reg_t core;
|
||||||
|
host_reg_t host;
|
||||||
|
device_reg_t device;
|
||||||
|
pwr_clk_ctrl_reg_t pcgr;
|
||||||
|
data_fifo_t dfifo[MAX_EPS_CHANNELS];
|
||||||
|
uint32_t reserved[(0x40000 - 0x11000) / 4];
|
||||||
|
} dwc2_reg_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core AHB Configuration
|
||||||
|
* Register (GAHBCFG).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned glblintrmsk:1;
|
||||||
|
#define GLBINT_ENABLE 1
|
||||||
|
|
||||||
|
unsigned hbstlen:4;
|
||||||
|
#define DMA_BURST_SINGLE 0
|
||||||
|
#define DMA_BURST_INCR 1
|
||||||
|
#define DMA_BURST_INCR4 3
|
||||||
|
#define DMA_BURST_INCR8 5
|
||||||
|
#define DMA_BURST_INCR16 7
|
||||||
|
|
||||||
|
unsigned dmaen:1;
|
||||||
|
unsigned reserved:1;
|
||||||
|
unsigned nptxfemplvl:1;
|
||||||
|
unsigned ptxfemplvl:1;
|
||||||
|
unsigned reserved9_31:23;
|
||||||
|
};
|
||||||
|
} gahbcfg_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core USB Configuration
|
||||||
|
* Register (GUSBCFG).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned toutcal:3;
|
||||||
|
unsigned phyif:1;
|
||||||
|
unsigned ulpiutmisel:1;
|
||||||
|
unsigned fsintf:1;
|
||||||
|
unsigned physel:1;
|
||||||
|
unsigned ddrsel:1;
|
||||||
|
unsigned srpcap:1;
|
||||||
|
unsigned hnpcap:1;
|
||||||
|
unsigned usbtrdtim:4;
|
||||||
|
unsigned reserved14:1;
|
||||||
|
unsigned phylpwrclksel:1;
|
||||||
|
unsigned otgi2csel:1;
|
||||||
|
unsigned ulpifsls:1;
|
||||||
|
unsigned ulpiautores:1;
|
||||||
|
unsigned ulpiclksusm:1;
|
||||||
|
unsigned ulpiextvbusdrv:1;
|
||||||
|
unsigned ulpiextvbusindicator:1;
|
||||||
|
unsigned termseldlpulse:1;
|
||||||
|
unsigned reserved23_28:6;
|
||||||
|
unsigned forcehstmode:1;
|
||||||
|
unsigned forcedevmode:1;
|
||||||
|
unsigned cortxpkt:1;
|
||||||
|
};
|
||||||
|
} gusbcfg_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core Reset Register
|
||||||
|
* (GRSTCTL).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
/** Core Soft Reset (CSftRst) (Device and Host)
|
||||||
|
*
|
||||||
|
* The application can flush the control logic in the
|
||||||
|
* entire core using this bit. This bit resets the
|
||||||
|
* pipelines in the AHB Clock domain as well as the
|
||||||
|
* PHY Clock domain.
|
||||||
|
*
|
||||||
|
* The state machines are reset to an IDLE state, the
|
||||||
|
* control bits in the CSRs are cleared, all the
|
||||||
|
* transmit FIFOs and the receive FIFO are flushed.
|
||||||
|
*
|
||||||
|
* The status mask bits that control the generation of
|
||||||
|
* the interrupt, are cleared, to clear the
|
||||||
|
* interrupt. The interrupt status bits are not
|
||||||
|
* cleared, so the application can get the status of
|
||||||
|
* any events that occurred in the core after it has
|
||||||
|
* set this bit.
|
||||||
|
*
|
||||||
|
* Any transactions on the AHB are terminated as soon
|
||||||
|
* as possible following the protocol. Any
|
||||||
|
* transactions on the USB are terminated immediately.
|
||||||
|
*
|
||||||
|
* The configuration settings in the CSRs are
|
||||||
|
* unchanged, so the software doesn't have to
|
||||||
|
* reprogram these registers (Device
|
||||||
|
* Configuration/Host Configuration/Core System
|
||||||
|
* Configuration/Core PHY Configuration).
|
||||||
|
*
|
||||||
|
* The application can write to this bit, any time it
|
||||||
|
* wants to reset the core. This is a self clearing
|
||||||
|
* bit and the core clears this bit after all the
|
||||||
|
* necessary logic is reset in the core, which may
|
||||||
|
* take several clocks, depending on the current state
|
||||||
|
* of the core.
|
||||||
|
*/
|
||||||
|
unsigned csftrst:1;
|
||||||
|
/** Hclk Soft Reset
|
||||||
|
*
|
||||||
|
* The application uses this bit to reset the control logic in
|
||||||
|
* the AHB clock domain. Only AHB clock domain pipelines are
|
||||||
|
* reset.
|
||||||
|
*/
|
||||||
|
unsigned hsftrst:1;
|
||||||
|
/** Host Frame Counter Reset (Host Only)<br>
|
||||||
|
*
|
||||||
|
* The application can reset the (micro)frame number
|
||||||
|
* counter inside the core, using this bit. When the
|
||||||
|
* (micro)frame counter is reset, the subsequent SOF
|
||||||
|
* sent out by the core, will have a (micro)frame
|
||||||
|
* number of 0.
|
||||||
|
*/
|
||||||
|
unsigned frmcntrrst:1;
|
||||||
|
/** In Token Sequence Learning Queue Flush
|
||||||
|
* (INTknQFlsh) (Device Only)
|
||||||
|
*/
|
||||||
|
unsigned intknqflsh:1;
|
||||||
|
/** RxFIFO Flush (RxFFlsh) (Device and Host)
|
||||||
|
*
|
||||||
|
* The application can flush the entire Receive FIFO
|
||||||
|
* using this bit. <p>The application must first
|
||||||
|
* ensure that the core is not in the middle of a
|
||||||
|
* transaction. <p>The application should write into
|
||||||
|
* this bit, only after making sure that neither the
|
||||||
|
* DMA engine is reading from the RxFIFO nor the MAC
|
||||||
|
* is writing the data in to the FIFO. <p>The
|
||||||
|
* application should wait until the bit is cleared
|
||||||
|
* before performing any other operations. This bit
|
||||||
|
* will takes 8 clocks (slowest of PHY or AHB clock)
|
||||||
|
* to clear.
|
||||||
|
*/
|
||||||
|
unsigned rxfflsh:1;
|
||||||
|
/** TxFIFO Flush (TxFFlsh) (Device and Host).
|
||||||
|
*
|
||||||
|
* This bit is used to selectively flush a single or
|
||||||
|
* all transmit FIFOs. The application must first
|
||||||
|
* ensure that the core is not in the middle of a
|
||||||
|
* transaction. <p>The application should write into
|
||||||
|
* this bit, only after making sure that neither the
|
||||||
|
* DMA engine is writing into the TxFIFO nor the MAC
|
||||||
|
* is reading the data out of the FIFO. <p>The
|
||||||
|
* application should wait until the core clears this
|
||||||
|
* bit, before performing any operations. This bit
|
||||||
|
* will takes 8 clocks (slowest of PHY or AHB clock)
|
||||||
|
* to clear.
|
||||||
|
*/
|
||||||
|
unsigned txfflsh:1;
|
||||||
|
|
||||||
|
/** TxFIFO Number (TxFNum) (Device and Host).
|
||||||
|
*
|
||||||
|
* This is the FIFO number which needs to be flushed,
|
||||||
|
* using the TxFIFO Flush bit. This field should not
|
||||||
|
* be changed until the TxFIFO Flush bit is cleared by
|
||||||
|
* the core.
|
||||||
|
* - 0x0 : Non Periodic TxFIFO Flush
|
||||||
|
* - 0x1 : Periodic TxFIFO #1 Flush in device mode
|
||||||
|
* or Periodic TxFIFO in host mode
|
||||||
|
* - 0x2 : Periodic TxFIFO #2 Flush in device mode.
|
||||||
|
* - ...
|
||||||
|
* - 0xF : Periodic TxFIFO #15 Flush in device mode
|
||||||
|
* - 0x10: Flush all the Transmit NonPeriodic and
|
||||||
|
* Transmit Periodic FIFOs in the core
|
||||||
|
*/
|
||||||
|
unsigned txfnum:5;
|
||||||
|
/** Reserved */
|
||||||
|
unsigned reserved11_29:19;
|
||||||
|
/** DMA Request Signal. Indicated DMA request is in
|
||||||
|
* probress. Used for debug purpose. */
|
||||||
|
unsigned dmareq:1;
|
||||||
|
/** AHB Master Idle. Indicates the AHB Master State
|
||||||
|
* Machine is in IDLE condition. */
|
||||||
|
unsigned ahbidle:1;
|
||||||
|
} ;
|
||||||
|
} grstctl_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core Interrupt Mask
|
||||||
|
* Register (GINTMSK).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned curmod:1;
|
||||||
|
unsigned modemis:1;
|
||||||
|
unsigned otgint:1;
|
||||||
|
unsigned sof:1;
|
||||||
|
unsigned rxflvl:1;
|
||||||
|
unsigned nptxfemp:1;
|
||||||
|
unsigned ginnakeff:1;
|
||||||
|
unsigned goutnakeff:1;
|
||||||
|
unsigned reserved8:1;
|
||||||
|
unsigned i2cint:1;
|
||||||
|
unsigned erlysusp:1;
|
||||||
|
unsigned usbsusp:1;
|
||||||
|
unsigned usbrst:1;
|
||||||
|
unsigned enumdone:1;
|
||||||
|
unsigned isooutdrop:1;
|
||||||
|
unsigned eopf:1;
|
||||||
|
unsigned reserved16_20:5;
|
||||||
|
unsigned incompip:1;
|
||||||
|
unsigned reserved22_23:2;
|
||||||
|
unsigned prtint:1;
|
||||||
|
unsigned hchint:1;
|
||||||
|
unsigned ptxfemp:1;
|
||||||
|
unsigned reserved27:1;
|
||||||
|
unsigned conidstschng:1;
|
||||||
|
unsigned disconnint:1;
|
||||||
|
unsigned sessreqint:1;
|
||||||
|
unsigned wkupint:1;
|
||||||
|
} ;
|
||||||
|
} gintmsk_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core Non-Periodic
|
||||||
|
* Transmit FIFO Size Register(GNPTXFSIZ).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned nptxfstaddr:16;
|
||||||
|
unsigned nptxfdep:16;
|
||||||
|
#define DWC2_NPTXFIFO_DEPTH 0x80
|
||||||
|
};
|
||||||
|
} gnptxfsiz_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core Receive FIFO Size
|
||||||
|
* Register(GRXFSIZ).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
/*The value in this fieles is in terms of 32-bit words size.
|
||||||
|
*/
|
||||||
|
struct {
|
||||||
|
unsigned rxfdep:16;
|
||||||
|
#define DWC2_RXFIFO_DEPTH 0x200
|
||||||
|
unsigned reserved:16;
|
||||||
|
};
|
||||||
|
} grxfsiz_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields of the Core Interrupt Register
|
||||||
|
* (GINTSTS).
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
#define SOF_INTR_MASK 0x0008
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned curmod:1;
|
||||||
|
#define HOST_MODE 1
|
||||||
|
#define DEVICE_MODE 0
|
||||||
|
unsigned modemis:1;
|
||||||
|
unsigned otgint:1;
|
||||||
|
unsigned sof:1;
|
||||||
|
unsigned rxflvl:1;
|
||||||
|
unsigned nptxfemp:1;
|
||||||
|
unsigned ginnakeff:1;
|
||||||
|
unsigned goutnakeff:1;
|
||||||
|
unsigned reserved8:1;
|
||||||
|
unsigned i2cint:1;
|
||||||
|
unsigned erlysusp:1;
|
||||||
|
unsigned usbsusp:1;
|
||||||
|
unsigned usbrst:1;
|
||||||
|
unsigned enumdone:1;
|
||||||
|
unsigned isooutdrop:1;
|
||||||
|
unsigned eopf:1;
|
||||||
|
unsigned reserved16_20:5;
|
||||||
|
unsigned incompip:1;
|
||||||
|
unsigned reserved22_23:2;
|
||||||
|
unsigned prtint:1;
|
||||||
|
unsigned hchint:1;
|
||||||
|
unsigned ptxfemp:1;
|
||||||
|
unsigned reserved27:1;
|
||||||
|
unsigned conidstschng:1;
|
||||||
|
unsigned disconnint:1;
|
||||||
|
unsigned sessreqint:1;
|
||||||
|
unsigned wkupint:1;
|
||||||
|
};
|
||||||
|
} gintsts_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields in the Host Configuration Register.
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
/** FS/LS Phy Clock Select */
|
||||||
|
unsigned fslspclksel:2;
|
||||||
|
#define PHYCLK_30_60_MHZ 0
|
||||||
|
#define PHYCLK_48_MHZ 1
|
||||||
|
#define PHYCLK_6_MHZ 2
|
||||||
|
|
||||||
|
/** FS/LS Only Support */
|
||||||
|
unsigned fslssupp:1;
|
||||||
|
};
|
||||||
|
} hcfg_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields in the Host Port Control and status
|
||||||
|
* Register.
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned prtconnsts:1;
|
||||||
|
unsigned prtconndet:1;
|
||||||
|
unsigned prtena:1;
|
||||||
|
unsigned prtenchng:1;
|
||||||
|
unsigned prtovrcurract:1;
|
||||||
|
unsigned prtovrcurrchng:1;
|
||||||
|
unsigned prtres:1;
|
||||||
|
unsigned prtsusp:1;
|
||||||
|
unsigned prtrst:1;
|
||||||
|
unsigned reserved9:1;
|
||||||
|
unsigned prtlnsts:2;
|
||||||
|
unsigned prtpwr:1;
|
||||||
|
unsigned prttstctl:4;
|
||||||
|
unsigned prtspd:2;
|
||||||
|
#define PRTSPD_HIGH 0
|
||||||
|
#define PRTSPD_FULL 1
|
||||||
|
#define PRTSPD_LOW 2
|
||||||
|
unsigned reserved19_31:13;
|
||||||
|
};
|
||||||
|
} hprt_t;
|
||||||
|
/* Mask W1C bits */
|
||||||
|
#define HPRT_W1C_MASK (~((1 << 1) | (1 << 2) | (1 << 3) | (1 << 5)))
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields in the Host Channel Characteristics
|
||||||
|
* Register.
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
/** Maximum packet size in bytes */
|
||||||
|
unsigned mps:11;
|
||||||
|
/** Endpoint number */
|
||||||
|
unsigned epnum:4;
|
||||||
|
/** 0: OUT, 1: IN */
|
||||||
|
unsigned epdir:1;
|
||||||
|
unsigned reserved:1;
|
||||||
|
/** 0: Full/high speed device, 1: Low speed device */
|
||||||
|
unsigned lspddev:1;
|
||||||
|
/** 0: Control, 1: Isoc, 2: Bulk, 3: Intr */
|
||||||
|
unsigned eptype:2;
|
||||||
|
/** Packets per frame for periodic transfers. 0 is reserved. */
|
||||||
|
unsigned multicnt:2;
|
||||||
|
/** Device address */
|
||||||
|
unsigned devaddr:7;
|
||||||
|
/**
|
||||||
|
* Frame to transmit periodic transaction.
|
||||||
|
* 0: even, 1: odd
|
||||||
|
*/
|
||||||
|
unsigned oddfrm:1;
|
||||||
|
/** Channel disable */
|
||||||
|
unsigned chdis:1;
|
||||||
|
/** Channel enable */
|
||||||
|
unsigned chen:1;
|
||||||
|
};
|
||||||
|
} hcchar_t;
|
||||||
|
|
||||||
|
typedef enum {
|
||||||
|
EPDIR_OUT = 0,
|
||||||
|
EPDIR_IN,
|
||||||
|
} ep_dir_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields in the Host All Interrupt
|
||||||
|
* Register.
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
/** Transfer Complete */
|
||||||
|
unsigned xfercomp:1;
|
||||||
|
/** Channel Halted */
|
||||||
|
unsigned chhltd:1;
|
||||||
|
/** AHB Error */
|
||||||
|
unsigned ahberr:1;
|
||||||
|
/** STALL Response Received */
|
||||||
|
unsigned stall:1;
|
||||||
|
/** NAK Response Received */
|
||||||
|
unsigned nak:1;
|
||||||
|
/** ACK Response Received */
|
||||||
|
unsigned ack:1;
|
||||||
|
/** NYET Response Received */
|
||||||
|
unsigned nyet:1;
|
||||||
|
/** Transaction Err */
|
||||||
|
unsigned xacterr:1;
|
||||||
|
/** Babble Error */
|
||||||
|
unsigned bblerr:1;
|
||||||
|
/** Frame Overrun */
|
||||||
|
unsigned frmovrun:1;
|
||||||
|
/** Data Toggle Error */
|
||||||
|
unsigned datatglerr:1;
|
||||||
|
/** Reserved */
|
||||||
|
unsigned reserved:21;
|
||||||
|
};
|
||||||
|
} hcint_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields in the Host Channel Transfer Size
|
||||||
|
* Register.
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
/* Total transfer size in bytes */
|
||||||
|
unsigned xfersize:19;
|
||||||
|
/** Data packets to transfer */
|
||||||
|
unsigned pktcnt:10;
|
||||||
|
/**
|
||||||
|
* Packet ID for next data packet
|
||||||
|
* 0: DATA0
|
||||||
|
* 1: DATA2
|
||||||
|
* 2: DATA1
|
||||||
|
* 3: MDATA (non-Control), SETUP (Control)
|
||||||
|
*/
|
||||||
|
unsigned pid:2;
|
||||||
|
#define PID_DATA0 0
|
||||||
|
#define PID_DATA1 2
|
||||||
|
#define PID_DATA2 1
|
||||||
|
#define PID_MDATA 3
|
||||||
|
#define PID_SETUP 3
|
||||||
|
/* Do PING protocol when 1 */
|
||||||
|
unsigned dopng:1;
|
||||||
|
};
|
||||||
|
} hctsiz_t;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This union represents the bit fields in the Host Channel Interrupt Mask
|
||||||
|
* Register.
|
||||||
|
*/
|
||||||
|
typedef union {
|
||||||
|
/* raw register data */
|
||||||
|
uint32_t d32;
|
||||||
|
/* register bits */
|
||||||
|
struct {
|
||||||
|
unsigned xfercomp:1;
|
||||||
|
unsigned chhltd:1;
|
||||||
|
unsigned ahberr:1;
|
||||||
|
unsigned stall:1;
|
||||||
|
unsigned nak:1;
|
||||||
|
unsigned ack:1;
|
||||||
|
unsigned nyet:1;
|
||||||
|
unsigned xacterr:1;
|
||||||
|
unsigned bblerr:1;
|
||||||
|
unsigned frmovrun:1;
|
||||||
|
unsigned datatglerr:1;
|
||||||
|
unsigned reserved:21;
|
||||||
|
};
|
||||||
|
} hcintmsk_t;
|
||||||
|
|
||||||
|
typedef struct dwc_ctrl {
|
||||||
|
#define DMA_SIZE (64 * 1024)
|
||||||
|
void *dma_buffer;
|
||||||
|
uint32_t *hprt0;
|
||||||
|
} dwc_ctrl_t;
|
||||||
|
|
||||||
|
#define DWC2_INST(controller) ((dwc_ctrl_t *)((controller)->instance))
|
||||||
|
#define DWC2_REG(controller) ((dwc2_reg_t *)((controller)->reg_base))
|
||||||
|
|
||||||
|
typedef enum {
|
||||||
|
HCSTAT_DONE = 0,
|
||||||
|
HCSTAT_XFERERR,
|
||||||
|
HCSTAT_BABBLE,
|
||||||
|
HCSTAT_STALL,
|
||||||
|
HCSTAT_UNKNOW,
|
||||||
|
HCSTAT_TIMEOUT,
|
||||||
|
} hcstat_t;
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,188 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2014 Rockchip Electronics
|
||||||
|
*
|
||||||
|
* 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; version 2 of the License.
|
||||||
|
*
|
||||||
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#include <usb/usb.h>
|
||||||
|
#include "generic_hub.h"
|
||||||
|
#include "dwc2_private.h"
|
||||||
|
#include "dwc2.h"
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_port_status_changed(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
int changed;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
changed = hprt.prtconndet;
|
||||||
|
|
||||||
|
/* Clear connect detect flag */
|
||||||
|
if (changed) {
|
||||||
|
hprt.d32 &= HPRT_W1C_MASK;
|
||||||
|
hprt.prtconndet = 1;
|
||||||
|
writel(hprt.d32, dwc2->hprt0);
|
||||||
|
}
|
||||||
|
return changed;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_port_connected(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
return hprt.prtconnsts;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_port_in_reset(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
return hprt.prtrst;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_port_enabled(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
return hprt.prtena;
|
||||||
|
}
|
||||||
|
|
||||||
|
static usb_speed
|
||||||
|
dwc2_rh_port_speed(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
if (hprt.prtena) {
|
||||||
|
switch (hprt.prtspd) {
|
||||||
|
case PRTSPD_HIGH:
|
||||||
|
return HIGH_SPEED;
|
||||||
|
case PRTSPD_FULL:
|
||||||
|
return FULL_SPEED;
|
||||||
|
case PRTSPD_LOW:
|
||||||
|
return LOW_SPEED;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_reset_port(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
hprt.d32 &= HPRT_W1C_MASK;
|
||||||
|
hprt.prtrst = 1;
|
||||||
|
writel(hprt.d32, dwc2->hprt0);
|
||||||
|
|
||||||
|
/* Wait a bit while reset is active. */
|
||||||
|
mdelay(50);
|
||||||
|
|
||||||
|
/* Deassert reset. */
|
||||||
|
hprt.prtrst = 0;
|
||||||
|
writel(hprt.d32, dwc2->hprt0);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If reset and speed enum success the DWC2 core will set enable bit
|
||||||
|
* after port reset bit is deasserted
|
||||||
|
*/
|
||||||
|
mdelay(1);
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
usb_debug("%s reset port ok, hprt = 0x%08x\n", __func__, hprt.d32);
|
||||||
|
|
||||||
|
if (!hprt.prtena) {
|
||||||
|
usb_debug("%s enable port fail! hprt = 0x%08x\n",
|
||||||
|
__func__, hprt.d32);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_enable_port(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
/* Power on the port */
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
hprt.d32 &= HPRT_W1C_MASK;
|
||||||
|
hprt.prtpwr = 1;
|
||||||
|
writel(hprt.d32, dwc2->hprt0);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
dwc2_rh_disable_port(usbdev_t *const dev, const int port)
|
||||||
|
{
|
||||||
|
hprt_t hprt;
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
hprt.d32 = readl(dwc2->hprt0);
|
||||||
|
hprt.d32 &= HPRT_W1C_MASK;
|
||||||
|
/* Disable the port*/
|
||||||
|
hprt.prtena = 1;
|
||||||
|
/* Power off the port */
|
||||||
|
hprt.prtpwr = 0;
|
||||||
|
writel(hprt.d32, dwc2->hprt0);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const generic_hub_ops_t dwc2_rh_ops = {
|
||||||
|
.hub_status_changed = NULL,
|
||||||
|
.port_status_changed = dwc2_rh_port_status_changed,
|
||||||
|
.port_connected = dwc2_rh_port_connected,
|
||||||
|
.port_in_reset = dwc2_rh_port_in_reset,
|
||||||
|
.port_enabled = dwc2_rh_port_enabled,
|
||||||
|
.port_speed = dwc2_rh_port_speed,
|
||||||
|
.enable_port = dwc2_rh_enable_port,
|
||||||
|
.disable_port = dwc2_rh_disable_port,
|
||||||
|
.start_port_reset = NULL,
|
||||||
|
.reset_port = dwc2_rh_reset_port,
|
||||||
|
};
|
||||||
|
|
||||||
|
void
|
||||||
|
dwc2_rh_init(usbdev_t *dev)
|
||||||
|
{
|
||||||
|
dwc_ctrl_t *const dwc2 = DWC2_INST(dev->controller);
|
||||||
|
|
||||||
|
/* we can set them here because a root hub _really_ shouldn't
|
||||||
|
appear elsewhere */
|
||||||
|
dev->address = 0;
|
||||||
|
dev->hub = -1;
|
||||||
|
dev->port = -1;
|
||||||
|
|
||||||
|
generic_hub_init(dev, 1, &dwc2_rh_ops);
|
||||||
|
usb_debug("dwc2_rh_init HPRT 0x%08x p = %p\n ",
|
||||||
|
readl(dwc2->hprt0), dwc2->hprt0);
|
||||||
|
usb_debug("DWC2: root hub init done\n");
|
||||||
|
}
|
||||||
|
|
@ -34,6 +34,7 @@
|
||||||
#include "ohci.h"
|
#include "ohci.h"
|
||||||
#include "ehci.h"
|
#include "ehci.h"
|
||||||
#include "xhci.h"
|
#include "xhci.h"
|
||||||
|
#include "dwc2.h"
|
||||||
#include <usb/usbdisk.h>
|
#include <usb/usbdisk.h>
|
||||||
|
|
||||||
#ifdef CONFIG_LP_USB_PCI
|
#ifdef CONFIG_LP_USB_PCI
|
||||||
|
|
@ -182,6 +183,10 @@ hci_t *usb_add_mmio_hc(hc_type type, void *bar)
|
||||||
case EHCI:
|
case EHCI:
|
||||||
return ehci_init((unsigned long)bar);
|
return ehci_init((unsigned long)bar);
|
||||||
#endif
|
#endif
|
||||||
|
#ifdef CONFIG_LP_USB_DWC2
|
||||||
|
case DWC2:
|
||||||
|
return dwc2_init(bar);
|
||||||
|
#endif
|
||||||
#ifdef CONFIG_LP_USB_XHCI
|
#ifdef CONFIG_LP_USB_XHCI
|
||||||
case XHCI:
|
case XHCI:
|
||||||
return xhci_init((unsigned long)bar);
|
return xhci_init((unsigned long)bar);
|
||||||
|
|
|
||||||
|
|
@ -207,7 +207,7 @@ struct usbdev {
|
||||||
void (*poll) (usbdev_t *dev);
|
void (*poll) (usbdev_t *dev);
|
||||||
};
|
};
|
||||||
|
|
||||||
typedef enum { OHCI = 0, UHCI = 1, EHCI = 2, XHCI = 3} hc_type;
|
typedef enum { OHCI = 0, UHCI = 1, EHCI = 2, XHCI = 3, DWC2 = 4} hc_type;
|
||||||
|
|
||||||
struct usbdev_hc {
|
struct usbdev_hc {
|
||||||
hci_t *next;
|
hci_t *next;
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue