tusb6010: move from hw/timer to hw/usb

The TUSB6010 is a USB controller (as the name suggests). Move it from
hw/timer (where it was accidentally filed in 2013 when we moved
everything out of hw/) to hw/usb.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1455883404-10976-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

2 files changed, 819 insertions, 0 deletions

diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
index 8f00fbd8f6..2717027d34 100644
--- a/hw/usb/Makefile.objs
+++ b/hw/usb/Makefile.objs
@@ -10,6 +10,8 @@ common-obj-$(CONFIG_USB_EHCI_SYSBUS) += hcd-ehci-sysbus.o
 common-obj-$(CONFIG_USB_XHCI) += hcd-xhci.o
 common-obj-$(CONFIG_USB_MUSB) += hcd-musb.o
 
+obj-$(CONFIG_TUSB6010) += tusb6010.o
+
 # emulated usb devices
 common-obj-$(CONFIG_USB) += dev-hub.o
 common-obj-$(CONFIG_USB) += dev-hid.o
diff --git a/hw/usb/tusb6010.c b/hw/usb/tusb6010.c
new file mode 100644
index 0000000000..9f6af90806
--- /dev/null
+++ b/hw/usb/tusb6010.c
@@ -0,0 +1,817 @@
+/*
+ * Texas Instruments TUSB6010 emulation.
+ * Based on reverse-engineering of a linux driver.
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.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 or
+ * (at your option) version 3 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, see <http://www.gnu.org/licenses/>.
+ */
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/timer.h"
+#include "hw/usb.h"
+#include "hw/arm/omap.h"
+#include "hw/irq.h"
+#include "hw/devices.h"
+#include "hw/sysbus.h"
+
+#define TYPE_TUSB6010 "tusb6010"
+#define TUSB(obj) OBJECT_CHECK(TUSBState, (obj), TYPE_TUSB6010)
+
+typedef struct TUSBState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion iomem[2];
+    qemu_irq irq;
+    MUSBState *musb;
+    QEMUTimer *otg_timer;
+    QEMUTimer *pwr_timer;
+
+    int power;
+    uint32_t scratch;
+    uint16_t test_reset;
+    uint32_t prcm_config;
+    uint32_t prcm_mngmt;
+    uint16_t otg_status;
+    uint32_t dev_config;
+    int host_mode;
+    uint32_t intr;
+    uint32_t intr_ok;
+    uint32_t mask;
+    uint32_t usbip_intr;
+    uint32_t usbip_mask;
+    uint32_t gpio_intr;
+    uint32_t gpio_mask;
+    uint32_t gpio_config;
+    uint32_t dma_intr;
+    uint32_t dma_mask;
+    uint32_t dma_map;
+    uint32_t dma_config;
+    uint32_t ep0_config;
+    uint32_t rx_config[15];
+    uint32_t tx_config[15];
+    uint32_t wkup_mask;
+    uint32_t pullup[2];
+    uint32_t control_config;
+    uint32_t otg_timer_val;
+} TUSBState;
+
+#define TUSB_DEVCLOCK			60000000	/* 60 MHz */
+
+#define TUSB_VLYNQ_CTRL			0x004
+
+/* Mentor Graphics OTG core registers.  */
+#define TUSB_BASE_OFFSET		0x400
+
+/* FIFO registers, 32-bit.  */
+#define TUSB_FIFO_BASE			0x600
+
+/* Device System & Control registers, 32-bit.  */
+#define TUSB_SYS_REG_BASE		0x800
+
+#define TUSB_DEV_CONF			(TUSB_SYS_REG_BASE + 0x000)
+#define	TUSB_DEV_CONF_USB_HOST_MODE	(1 << 16)
+#define	TUSB_DEV_CONF_PROD_TEST_MODE	(1 << 15)
+#define	TUSB_DEV_CONF_SOFT_ID		(1 << 1)
+#define	TUSB_DEV_CONF_ID_SEL		(1 << 0)
+
+#define TUSB_PHY_OTG_CTRL_ENABLE	(TUSB_SYS_REG_BASE + 0x004)
+#define TUSB_PHY_OTG_CTRL		(TUSB_SYS_REG_BASE + 0x008)
+#define	TUSB_PHY_OTG_CTRL_WRPROTECT	(0xa5 << 24)
+#define	TUSB_PHY_OTG_CTRL_O_ID_PULLUP	(1 << 23)
+#define	TUSB_PHY_OTG_CTRL_O_VBUS_DET_EN	(1 << 19)
+#define	TUSB_PHY_OTG_CTRL_O_SESS_END_EN	(1 << 18)
+#define	TUSB_PHY_OTG_CTRL_TESTM2	(1 << 17)
+#define	TUSB_PHY_OTG_CTRL_TESTM1	(1 << 16)
+#define	TUSB_PHY_OTG_CTRL_TESTM0	(1 << 15)
+#define	TUSB_PHY_OTG_CTRL_TX_DATA2	(1 << 14)
+#define	TUSB_PHY_OTG_CTRL_TX_GZ2	(1 << 13)
+#define	TUSB_PHY_OTG_CTRL_TX_ENABLE2	(1 << 12)
+#define	TUSB_PHY_OTG_CTRL_DM_PULLDOWN	(1 << 11)
+#define	TUSB_PHY_OTG_CTRL_DP_PULLDOWN	(1 << 10)
+#define	TUSB_PHY_OTG_CTRL_OSC_EN	(1 << 9)
+#define	TUSB_PHY_OTG_CTRL_PHYREF_CLK(v)	(((v) & 3) << 7)
+#define	TUSB_PHY_OTG_CTRL_PD		(1 << 6)
+#define	TUSB_PHY_OTG_CTRL_PLL_ON	(1 << 5)
+#define	TUSB_PHY_OTG_CTRL_EXT_RPU	(1 << 4)
+#define	TUSB_PHY_OTG_CTRL_PWR_GOOD	(1 << 3)
+#define	TUSB_PHY_OTG_CTRL_RESET		(1 << 2)
+#define	TUSB_PHY_OTG_CTRL_SUSPENDM	(1 << 1)
+#define	TUSB_PHY_OTG_CTRL_CLK_MODE	(1 << 0)
+
+/* OTG status register */
+#define TUSB_DEV_OTG_STAT		(TUSB_SYS_REG_BASE + 0x00c)
+#define	TUSB_DEV_OTG_STAT_PWR_CLK_GOOD	(1 << 8)
+#define	TUSB_DEV_OTG_STAT_SESS_END	(1 << 7)
+#define	TUSB_DEV_OTG_STAT_SESS_VALID	(1 << 6)
+#define	TUSB_DEV_OTG_STAT_VBUS_VALID	(1 << 5)
+#define	TUSB_DEV_OTG_STAT_VBUS_SENSE	(1 << 4)
+#define	TUSB_DEV_OTG_STAT_ID_STATUS	(1 << 3)
+#define	TUSB_DEV_OTG_STAT_HOST_DISCON	(1 << 2)
+#define	TUSB_DEV_OTG_STAT_LINE_STATE	(3 << 0)
+#define	TUSB_DEV_OTG_STAT_DP_ENABLE	(1 << 1)
+#define	TUSB_DEV_OTG_STAT_DM_ENABLE	(1 << 0)
+
+#define TUSB_DEV_OTG_TIMER		(TUSB_SYS_REG_BASE + 0x010)
+#define TUSB_DEV_OTG_TIMER_ENABLE	(1 << 31)
+#define TUSB_DEV_OTG_TIMER_VAL(v)	((v) & 0x07ffffff)
+#define TUSB_PRCM_REV			(TUSB_SYS_REG_BASE + 0x014)
+
+/* PRCM configuration register */
+#define TUSB_PRCM_CONF			(TUSB_SYS_REG_BASE + 0x018)
+#define	TUSB_PRCM_CONF_SFW_CPEN		(1 << 24)
+#define	TUSB_PRCM_CONF_SYS_CLKSEL(v)	(((v) & 3) << 16)
+
+/* PRCM management register */
+#define TUSB_PRCM_MNGMT			(TUSB_SYS_REG_BASE + 0x01c)
+#define	TUSB_PRCM_MNGMT_SRP_FIX_TMR(v)	(((v) & 0xf) << 25)
+#define	TUSB_PRCM_MNGMT_SRP_FIX_EN	(1 << 24)
+#define	TUSB_PRCM_MNGMT_VBUS_VAL_TMR(v)	(((v) & 0xf) << 20)
+#define	TUSB_PRCM_MNGMT_VBUS_VAL_FLT_EN	(1 << 19)
+#define	TUSB_PRCM_MNGMT_DFT_CLK_DIS	(1 << 18)
+#define	TUSB_PRCM_MNGMT_VLYNQ_CLK_DIS	(1 << 17)
+#define	TUSB_PRCM_MNGMT_OTG_SESS_END_EN	(1 << 10)
+#define	TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN	(1 << 9)
+#define	TUSB_PRCM_MNGMT_OTG_ID_PULLUP	(1 << 8)
+#define	TUSB_PRCM_MNGMT_15_SW_EN	(1 << 4)
+#define	TUSB_PRCM_MNGMT_33_SW_EN	(1 << 3)
+#define	TUSB_PRCM_MNGMT_5V_CPEN		(1 << 2)
+#define	TUSB_PRCM_MNGMT_PM_IDLE		(1 << 1)
+#define	TUSB_PRCM_MNGMT_DEV_IDLE	(1 << 0)
+
+/* Wake-up source clear and mask registers */
+#define TUSB_PRCM_WAKEUP_SOURCE		(TUSB_SYS_REG_BASE + 0x020)
+#define TUSB_PRCM_WAKEUP_CLEAR		(TUSB_SYS_REG_BASE + 0x028)
+#define TUSB_PRCM_WAKEUP_MASK		(TUSB_SYS_REG_BASE + 0x02c)
+#define	TUSB_PRCM_WAKEUP_RESERVED_BITS	(0xffffe << 13)
+#define	TUSB_PRCM_WGPIO_7		(1 << 12)
+#define	TUSB_PRCM_WGPIO_6		(1 << 11)
+#define	TUSB_PRCM_WGPIO_5		(1 << 10)
+#define	TUSB_PRCM_WGPIO_4		(1 << 9)
+#define	TUSB_PRCM_WGPIO_3		(1 << 8)
+#define	TUSB_PRCM_WGPIO_2		(1 << 7)
+#define	TUSB_PRCM_WGPIO_1		(1 << 6)
+#define	TUSB_PRCM_WGPIO_0		(1 << 5)
+#define	TUSB_PRCM_WHOSTDISCON		(1 << 4)	/* Host disconnect */
+#define	TUSB_PRCM_WBUS			(1 << 3)	/* USB bus resume */
+#define	TUSB_PRCM_WNORCS		(1 << 2)	/* NOR chip select */
+#define	TUSB_PRCM_WVBUS			(1 << 1)	/* OTG PHY VBUS */
+#define	TUSB_PRCM_WID			(1 << 0)	/* OTG PHY ID detect */
+
+#define TUSB_PULLUP_1_CTRL		(TUSB_SYS_REG_BASE + 0x030)
+#define TUSB_PULLUP_2_CTRL		(TUSB_SYS_REG_BASE + 0x034)
+#define TUSB_INT_CTRL_REV		(TUSB_SYS_REG_BASE + 0x038)
+#define TUSB_INT_CTRL_CONF		(TUSB_SYS_REG_BASE + 0x03c)
+#define TUSB_USBIP_INT_SRC		(TUSB_SYS_REG_BASE + 0x040)
+#define TUSB_USBIP_INT_SET		(TUSB_SYS_REG_BASE + 0x044)
+#define TUSB_USBIP_INT_CLEAR		(TUSB_SYS_REG_BASE + 0x048)
+#define TUSB_USBIP_INT_MASK		(TUSB_SYS_REG_BASE + 0x04c)
+#define TUSB_DMA_INT_SRC		(TUSB_SYS_REG_BASE + 0x050)
+#define TUSB_DMA_INT_SET		(TUSB_SYS_REG_BASE + 0x054)
+#define TUSB_DMA_INT_CLEAR		(TUSB_SYS_REG_BASE + 0x058)
+#define TUSB_DMA_INT_MASK		(TUSB_SYS_REG_BASE + 0x05c)
+#define TUSB_GPIO_INT_SRC		(TUSB_SYS_REG_BASE + 0x060)
+#define TUSB_GPIO_INT_SET		(TUSB_SYS_REG_BASE + 0x064)
+#define TUSB_GPIO_INT_CLEAR		(TUSB_SYS_REG_BASE + 0x068)
+#define TUSB_GPIO_INT_MASK		(TUSB_SYS_REG_BASE + 0x06c)
+
+/* NOR flash interrupt source registers */
+#define TUSB_INT_SRC			(TUSB_SYS_REG_BASE + 0x070)
+#define TUSB_INT_SRC_SET		(TUSB_SYS_REG_BASE + 0x074)
+#define TUSB_INT_SRC_CLEAR		(TUSB_SYS_REG_BASE + 0x078)
+#define TUSB_INT_MASK			(TUSB_SYS_REG_BASE + 0x07c)
+#define	TUSB_INT_SRC_TXRX_DMA_DONE	(1 << 24)
+#define	TUSB_INT_SRC_USB_IP_CORE	(1 << 17)
+#define	TUSB_INT_SRC_OTG_TIMEOUT	(1 << 16)
+#define	TUSB_INT_SRC_VBUS_SENSE_CHNG	(1 << 15)
+#define	TUSB_INT_SRC_ID_STATUS_CHNG	(1 << 14)
+#define	TUSB_INT_SRC_DEV_WAKEUP		(1 << 13)
+#define	TUSB_INT_SRC_DEV_READY		(1 << 12)
+#define	TUSB_INT_SRC_USB_IP_TX		(1 << 9)
+#define	TUSB_INT_SRC_USB_IP_RX		(1 << 8)
+#define	TUSB_INT_SRC_USB_IP_VBUS_ERR	(1 << 7)
+#define	TUSB_INT_SRC_USB_IP_VBUS_REQ	(1 << 6)
+#define	TUSB_INT_SRC_USB_IP_DISCON	(1 << 5)
+#define	TUSB_INT_SRC_USB_IP_CONN	(1 << 4)
+#define	TUSB_INT_SRC_USB_IP_SOF		(1 << 3)
+#define	TUSB_INT_SRC_USB_IP_RST_BABBLE	(1 << 2)
+#define	TUSB_INT_SRC_USB_IP_RESUME	(1 << 1)
+#define	TUSB_INT_SRC_USB_IP_SUSPEND	(1 << 0)
+
+#define TUSB_GPIO_REV			(TUSB_SYS_REG_BASE + 0x080)
+#define TUSB_GPIO_CONF			(TUSB_SYS_REG_BASE + 0x084)
+#define TUSB_DMA_CTRL_REV		(TUSB_SYS_REG_BASE + 0x100)
+#define TUSB_DMA_REQ_CONF		(TUSB_SYS_REG_BASE + 0x104)
+#define TUSB_EP0_CONF			(TUSB_SYS_REG_BASE + 0x108)
+#define TUSB_EP_IN_SIZE			(TUSB_SYS_REG_BASE + 0x10c)
+#define TUSB_DMA_EP_MAP			(TUSB_SYS_REG_BASE + 0x148)
+#define TUSB_EP_OUT_SIZE		(TUSB_SYS_REG_BASE + 0x14c)
+#define TUSB_EP_MAX_PACKET_SIZE_OFFSET	(TUSB_SYS_REG_BASE + 0x188)
+#define TUSB_SCRATCH_PAD		(TUSB_SYS_REG_BASE + 0x1c4)
+#define TUSB_WAIT_COUNT			(TUSB_SYS_REG_BASE + 0x1c8)
+#define TUSB_PROD_TEST_RESET		(TUSB_SYS_REG_BASE + 0x1d8)
+
+#define TUSB_DIDR1_LO			(TUSB_SYS_REG_BASE + 0x1f8)
+#define TUSB_DIDR1_HI			(TUSB_SYS_REG_BASE + 0x1fc)
+
+/* Device System & Control register bitfields */
+#define TUSB_INT_CTRL_CONF_INT_RLCYC(v)	(((v) & 0x7) << 18)
+#define TUSB_INT_CTRL_CONF_INT_POLARITY	(1 << 17)
+#define TUSB_INT_CTRL_CONF_INT_MODE	(1 << 16)
+#define TUSB_GPIO_CONF_DMAREQ(v)	(((v) & 0x3f) << 24)
+#define TUSB_DMA_REQ_CONF_BURST_SIZE(v)	(((v) & 3) << 26)
+#define TUSB_DMA_REQ_CONF_DMA_RQ_EN(v)	(((v) & 0x3f) << 20)
+#define TUSB_DMA_REQ_CONF_DMA_RQ_ASR(v)	(((v) & 0xf) << 16)
+#define TUSB_EP0_CONFIG_SW_EN		(1 << 8)
+#define TUSB_EP0_CONFIG_DIR_TX		(1 << 7)
+#define TUSB_EP0_CONFIG_XFR_SIZE(v)	((v) & 0x7f)
+#define TUSB_EP_CONFIG_SW_EN		(1 << 31)
+#define TUSB_EP_CONFIG_XFR_SIZE(v)	((v) & 0x7fffffff)
+#define TUSB_PROD_TEST_RESET_VAL	0xa596
+
+static void tusb_intr_update(TUSBState *s)
+{
+    if (s->control_config & TUSB_INT_CTRL_CONF_INT_POLARITY)
+        qemu_set_irq(s->irq, s->intr & ~s->mask & s->intr_ok);
+    else
+        qemu_set_irq(s->irq, (!(s->intr & ~s->mask)) & s->intr_ok);
+}
+
+static void tusb_usbip_intr_update(TUSBState *s)
+{
+    /* TX interrupt in the MUSB */
+    if (s->usbip_intr & 0x0000ffff & ~s->usbip_mask)
+        s->intr |= TUSB_INT_SRC_USB_IP_TX;
+    else
+        s->intr &= ~TUSB_INT_SRC_USB_IP_TX;
+
+    /* RX interrupt in the MUSB */
+    if (s->usbip_intr & 0xffff0000 & ~s->usbip_mask)
+        s->intr |= TUSB_INT_SRC_USB_IP_RX;
+    else
+        s->intr &= ~TUSB_INT_SRC_USB_IP_RX;
+
+    /* XXX: What about TUSB_INT_SRC_USB_IP_CORE?  */
+
+    tusb_intr_update(s);
+}
+
+static void tusb_dma_intr_update(TUSBState *s)
+{
+    if (s->dma_intr & ~s->dma_mask)
+        s->intr |= TUSB_INT_SRC_TXRX_DMA_DONE;
+    else
+        s->intr &= ~TUSB_INT_SRC_TXRX_DMA_DONE;
+
+    tusb_intr_update(s);
+}
+
+static void tusb_gpio_intr_update(TUSBState *s)
+{
+    /* TODO: How is this signalled?  */
+}
+
+static uint32_t tusb_async_readb(void *opaque, hwaddr addr)
+{
+    TUSBState *s = (TUSBState *) opaque;
+
+    switch (addr & 0xfff) {
+    case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
+        return musb_read[0](s->musb, addr & 0x1ff);
+
+    case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
+        return musb_read[0](s->musb, 0x20 + ((addr >> 3) & 0x3c));
+    }
+
+    printf("%s: unknown register at %03x\n",
+                    __FUNCTION__, (int) (addr & 0xfff));
+    return 0;
+}
+
+static uint32_t tusb_async_readh(void *opaque, hwaddr addr)
+{
+    TUSBState *s = (TUSBState *) opaque;
+
+    switch (addr & 0xfff) {
+    case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
+        return musb_read[1](s->musb, addr & 0x1ff);
+
+    case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
+        return musb_read[1](s->musb, 0x20 + ((addr >> 3) & 0x3c));
+    }
+
+    printf("%s: unknown register at %03x\n",
+                    __FUNCTION__, (int) (addr & 0xfff));
+    return 0;
+}
+
+static uint32_t tusb_async_readw(void *opaque, hwaddr addr)
+{
+    TUSBState *s = (TUSBState *) opaque;
+    int offset = addr & 0xfff;
+    int epnum;
+    uint32_t ret;
+
+    switch (offset) {
+    case TUSB_DEV_CONF:
+        return s->dev_config;
+
+    case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
+        return musb_read[2](s->musb, offset & 0x1ff);
+
+    case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
+        return musb_read[2](s->musb, 0x20 + ((addr >> 3) & 0x3c));
+
+    case TUSB_PHY_OTG_CTRL_ENABLE:
+    case TUSB_PHY_OTG_CTRL:
+        return 0x00;	/* TODO */
+
+    case TUSB_DEV_OTG_STAT:
+        ret = s->otg_status;
+#if 0
+        if (!(s->prcm_mngmt & TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN))
+            ret &= ~TUSB_DEV_OTG_STAT_VBUS_VALID;
+#endif
+        return ret;
+    case TUSB_DEV_OTG_TIMER:
+        return s->otg_timer_val;
+
+    case TUSB_PRCM_REV:
+        return 0x20;
+    case TUSB_PRCM_CONF:
+        return s->prcm_config;
+    case TUSB_PRCM_MNGMT:
+        return s->prcm_mngmt;
+    case TUSB_PRCM_WAKEUP_SOURCE:
+    case TUSB_PRCM_WAKEUP_CLEAR:	/* TODO: What does this one return?  */
+        return 0x00000000;
+    case TUSB_PRCM_WAKEUP_MASK:
+        return s->wkup_mask;
+
+    case TUSB_PULLUP_1_CTRL:
+        return s->pullup[0];
+    case TUSB_PULLUP_2_CTRL:
+        return s->pullup[1];
+
+    case TUSB_INT_CTRL_REV:
+        return 0x20;
+    case TUSB_INT_CTRL_CONF:
+        return s->control_config;
+
+    case TUSB_USBIP_INT_SRC:
+    case TUSB_USBIP_INT_SET:	/* TODO: What do these two return?  */
+    case TUSB_USBIP_INT_CLEAR:
+        return s->usbip_intr;
+    case TUSB_USBIP_INT_MASK:
+        return s->usbip_mask;
+
+    case TUSB_DMA_INT_SRC:
+    case TUSB_DMA_INT_SET:	/* TODO: What do these two return?  */
+    case TUSB_DMA_INT_CLEAR:
+        return s->dma_intr;
+    case TUSB_DMA_INT_MASK:
+        return s->dma_mask;
+
+    case TUSB_GPIO_INT_SRC:	/* TODO: What do these two return?  */
+    case TUSB_GPIO_INT_SET:
+    case TUSB_GPIO_INT_CLEAR:
+        return s->gpio_intr;
+    case TUSB_GPIO_INT_MASK:
+        return s->gpio_mask;
+
+    case TUSB_INT_SRC:
+    case TUSB_INT_SRC_SET:	/* TODO: What do these two return?  */
+    case TUSB_INT_SRC_CLEAR:
+        return s->intr;
+    case TUSB_INT_MASK:
+        return s->mask;
+
+    case TUSB_GPIO_REV:
+        return 0x30;
+    case TUSB_GPIO_CONF:
+        return s->gpio_config;
+
+    case TUSB_DMA_CTRL_REV:
+        return 0x30;
+    case TUSB_DMA_REQ_CONF:
+        return s->dma_config;
+    case TUSB_EP0_CONF:
+        return s->ep0_config;
+    case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b):
+        epnum = (offset - TUSB_EP_IN_SIZE) >> 2;
+        return s->tx_config[epnum];
+    case TUSB_DMA_EP_MAP:
+        return s->dma_map;
+    case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b):
+        epnum = (offset - TUSB_EP_OUT_SIZE) >> 2;
+        return s->rx_config[epnum];
+    case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
+            (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
+        return 0x00000000;	/* TODO */
+    case TUSB_WAIT_COUNT:
+        return 0x00;		/* TODO */
+
+    case TUSB_SCRATCH_PAD:
+        return s->scratch;
+
+    case TUSB_PROD_TEST_RESET:
+        return s->test_reset;
+
+    /* DIE IDs */
+    case TUSB_DIDR1_LO:
+        return 0xa9453c59;
+    case TUSB_DIDR1_HI:
+        return 0x54059adf;
+    }
+
+    printf("%s: unknown register at %03x\n", __FUNCTION__, offset);
+    return 0;
+}
+
+static void tusb_async_writeb(void *opaque, hwaddr addr,
+                uint32_t value)
+{
+    TUSBState *s = (TUSBState *) opaque;
+
+    switch (addr & 0xfff) {
+    case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
+        musb_write[0](s->musb, addr & 0x1ff, value);
+        break;
+
+    case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
+        musb_write[0](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
+        break;
+
+    default:
+        printf("%s: unknown register at %03x\n",
+                        __FUNCTION__, (int) (addr & 0xfff));
+        return;
+    }
+}
+
+static void tusb_async_writeh(void *opaque, hwaddr addr,
+                uint32_t value)
+{
+    TUSBState *s = (TUSBState *) opaque;
+
+    switch (addr & 0xfff) {
+    case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
+        musb_write[1](s->musb, addr & 0x1ff, value);
+        break;
+
+    case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
+        musb_write[1](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
+        break;
+
+    default:
+        printf("%s: unknown register at %03x\n",
+                        __FUNCTION__, (int) (addr & 0xfff));
+        return;
+    }
+}
+
+static void tusb_async_writew(void *opaque, hwaddr addr,
+                uint32_t value)
+{
+    TUSBState *s = (TUSBState *) opaque;
+    int offset = addr & 0xfff;
+    int epnum;
+
+    switch (offset) {
+    case TUSB_VLYNQ_CTRL:
+        break;
+
+    case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff):
+        musb_write[2](s->musb, offset & 0x1ff, value);
+        break;
+
+    case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff):
+        musb_write[2](s->musb, 0x20 + ((addr >> 3) & 0x3c), value);
+        break;
+
+    case TUSB_DEV_CONF:
+        s->dev_config = value;
+        s->host_mode = (value & TUSB_DEV_CONF_USB_HOST_MODE);
+        if (value & TUSB_DEV_CONF_PROD_TEST_MODE)
+            hw_error("%s: Product Test mode not allowed\n", __FUNCTION__);
+        break;
+
+    case TUSB_PHY_OTG_CTRL_ENABLE:
+    case TUSB_PHY_OTG_CTRL:
+        return;		/* TODO */
+    case TUSB_DEV_OTG_TIMER:
+        s->otg_timer_val = value;
+        if (value & TUSB_DEV_OTG_TIMER_ENABLE)
+            timer_mod(s->otg_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+                            muldiv64(TUSB_DEV_OTG_TIMER_VAL(value),
+                                     get_ticks_per_sec(), TUSB_DEVCLOCK));
+        else
+            timer_del(s->otg_timer);
+        break;
+
+    case TUSB_PRCM_CONF:
+        s->prcm_config = value;
+        break;
+    case TUSB_PRCM_MNGMT:
+        s->prcm_mngmt = value;
+        break;
+    case TUSB_PRCM_WAKEUP_CLEAR:
+        break;
+    case TUSB_PRCM_WAKEUP_MASK:
+        s->wkup_mask = value;
+        break;
+
+    case TUSB_PULLUP_1_CTRL:
+        s->pullup[0] = value;
+        break;
+    case TUSB_PULLUP_2_CTRL:
+        s->pullup[1] = value;
+        break;
+    case TUSB_INT_CTRL_CONF:
+        s->control_config = value;
+        tusb_intr_update(s);
+        break;
+
+    case TUSB_USBIP_INT_SET:
+        s->usbip_intr |= value;
+        tusb_usbip_intr_update(s);
+        break;
+    case TUSB_USBIP_INT_CLEAR:
+        s->usbip_intr &= ~value;
+        tusb_usbip_intr_update(s);
+        musb_core_intr_clear(s->musb, ~value);
+        break;
+    case TUSB_USBIP_INT_MASK:
+        s->usbip_mask = value;
+        tusb_usbip_intr_update(s);
+        break;
+
+    case TUSB_DMA_INT_SET:
+        s->dma_intr |= value;
+        tusb_dma_intr_update(s);
+        break;
+    case TUSB_DMA_INT_CLEAR:
+        s->dma_intr &= ~value;
+        tusb_dma_intr_update(s);
+        break;
+    case TUSB_DMA_INT_MASK:
+        s->dma_mask = value;
+        tusb_dma_intr_update(s);
+        break;
+
+    case TUSB_GPIO_INT_SET:
+        s->gpio_intr |= value;
+        tusb_gpio_intr_update(s);
+        break;
+    case TUSB_GPIO_INT_CLEAR:
+        s->gpio_intr &= ~value;
+        tusb_gpio_intr_update(s);
+        break;
+    case TUSB_GPIO_INT_MASK:
+        s->gpio_mask = value;
+        tusb_gpio_intr_update(s);
+        break;
+
+    case TUSB_INT_SRC_SET:
+        s->intr |= value;
+        tusb_intr_update(s);
+        break;
+    case TUSB_INT_SRC_CLEAR:
+        s->intr &= ~value;
+        tusb_intr_update(s);
+        break;
+    case TUSB_INT_MASK:
+        s->mask = value;
+        tusb_intr_update(s);
+        break;
+
+    case TUSB_GPIO_CONF:
+        s->gpio_config = value;
+        break;
+    case TUSB_DMA_REQ_CONF:
+        s->dma_config = value;
+        break;
+    case TUSB_EP0_CONF:
+        s->ep0_config = value & 0x1ff;
+        musb_set_size(s->musb, 0, TUSB_EP0_CONFIG_XFR_SIZE(value),
+                        value & TUSB_EP0_CONFIG_DIR_TX);
+        break;
+    case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b):
+        epnum = (offset - TUSB_EP_IN_SIZE) >> 2;
+        s->tx_config[epnum] = value;
+        musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 1);
+        break;
+    case TUSB_DMA_EP_MAP:
+        s->dma_map = value;
+        break;
+    case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b):
+        epnum = (offset - TUSB_EP_OUT_SIZE) >> 2;
+        s->rx_config[epnum] = value;
+        musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 0);
+        break;
+    case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
+            (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
+        return;		/* TODO */
+    case TUSB_WAIT_COUNT:
+        return;		/* TODO */
+
+    case TUSB_SCRATCH_PAD:
+        s->scratch = value;
+        break;
+
+    case TUSB_PROD_TEST_RESET:
+        s->test_reset = value;
+        break;
+
+    default:
+        printf("%s: unknown register at %03x\n", __FUNCTION__, offset);
+        return;
+    }
+}
+
+static const MemoryRegionOps tusb_async_ops = {
+    .old_mmio = {
+        .read = { tusb_async_readb, tusb_async_readh, tusb_async_readw, },
+        .write =  { tusb_async_writeb, tusb_async_writeh, tusb_async_writew, },
+    },
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void tusb_otg_tick(void *opaque)
+{
+    TUSBState *s = (TUSBState *) opaque;
+
+    s->otg_timer_val = 0;
+    s->intr |= TUSB_INT_SRC_OTG_TIMEOUT;
+    tusb_intr_update(s);
+}
+
+static void tusb_power_tick(void *opaque)
+{
+    TUSBState *s = (TUSBState *) opaque;
+
+    if (s->power) {
+        s->intr_ok = ~0;
+        tusb_intr_update(s);
+    }
+}
+
+static void tusb_musb_core_intr(void *opaque, int source, int level)
+{
+    TUSBState *s = (TUSBState *) opaque;
+    uint16_t otg_status = s->otg_status;
+
+    switch (source) {
+    case musb_set_vbus:
+        if (level)
+            otg_status |= TUSB_DEV_OTG_STAT_VBUS_VALID;
+        else
+            otg_status &= ~TUSB_DEV_OTG_STAT_VBUS_VALID;
+
+        /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_VBUS_DET_EN set?  */
+        /* XXX: only if TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN set?  */
+        if (s->otg_status != otg_status) {
+            s->otg_status = otg_status;
+            s->intr |= TUSB_INT_SRC_VBUS_SENSE_CHNG;
+            tusb_intr_update(s);
+        }
+        break;
+
+    case musb_set_session:
+        /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_SESS_END_EN set?  */
+        /* XXX: only if TUSB_PRCM_MNGMT_OTG_SESS_END_EN set?  */
+        if (level) {
+            s->otg_status |= TUSB_DEV_OTG_STAT_SESS_VALID;
+            s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_END;
+        } else {
+            s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_VALID;
+            s->otg_status |= TUSB_DEV_OTG_STAT_SESS_END;
+        }
+
+        /* XXX: some IRQ or anything?  */
+        break;
+
+    case musb_irq_tx:
+    case musb_irq_rx:
+        s->usbip_intr = musb_core_intr_get(s->musb);
+        /* Fall through.  */
+    default:
+        if (level)
+            s->intr |= 1 << source;
+        else
+            s->intr &= ~(1 << source);
+        tusb_intr_update(s);
+        break;
+    }
+}
+
+static void tusb6010_power(TUSBState *s, int on)
+{
+    if (!on) {
+        s->power = 0;
+    } else if (!s->power && on) {
+        s->power = 1;
+        /* Pull the interrupt down after TUSB6010 comes up.  */
+        s->intr_ok = 0;
+        tusb_intr_update(s);
+        timer_mod(s->pwr_timer,
+                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + get_ticks_per_sec() / 2);
+    }
+}
+
+static void tusb6010_irq(void *opaque, int source, int level)
+{
+    if (source) {
+        tusb_musb_core_intr(opaque, source - 1, level);
+    } else {
+        tusb6010_power(opaque, level);
+    }
+}
+
+static void tusb6010_reset(DeviceState *dev)
+{
+    TUSBState *s = TUSB(dev);
+    int i;
+
+    s->test_reset = TUSB_PROD_TEST_RESET_VAL;
+    s->host_mode = 0;
+    s->dev_config = 0;
+    s->otg_status = 0;	/* !TUSB_DEV_OTG_STAT_ID_STATUS means host mode */
+    s->power = 0;
+    s->mask = 0xffffffff;
+    s->intr = 0x00000000;
+    s->otg_timer_val = 0;
+    s->scratch = 0;
+    s->prcm_config = 0;
+    s->prcm_mngmt = 0;
+    s->intr_ok = 0;
+    s->usbip_intr = 0;
+    s->usbip_mask = 0;
+    s->gpio_intr = 0;
+    s->gpio_mask = 0;
+    s->gpio_config = 0;
+    s->dma_intr = 0;
+    s->dma_mask = 0;
+    s->dma_map = 0;
+    s->dma_config = 0;
+    s->ep0_config = 0;
+    s->wkup_mask = 0;
+    s->pullup[0] = s->pullup[1] = 0;
+    s->control_config = 0;
+    for (i = 0; i < 15; i++) {
+        s->rx_config[i] = s->tx_config[i] = 0;
+    }
+    musb_reset(s->musb);
+}
+
+static int tusb6010_init(SysBusDevice *sbd)
+{
+    DeviceState *dev = DEVICE(sbd);
+    TUSBState *s = TUSB(dev);
+
+    s->otg_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_otg_tick, s);
+    s->pwr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_power_tick, s);
+    memory_region_init_io(&s->iomem[1], OBJECT(s), &tusb_async_ops, s,
+                          "tusb-async", UINT32_MAX);
+    sysbus_init_mmio(sbd, &s->iomem[0]);
+    sysbus_init_mmio(sbd, &s->iomem[1]);
+    sysbus_init_irq(sbd, &s->irq);
+    qdev_init_gpio_in(dev, tusb6010_irq, musb_irq_max + 1);
+    s->musb = musb_init(dev, 1);
+    return 0;
+}
+
+static void tusb6010_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = tusb6010_init;
+    dc->reset = tusb6010_reset;
+}
+
+static const TypeInfo tusb6010_info = {
+    .name          = TYPE_TUSB6010,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(TUSBState),
+    .class_init    = tusb6010_class_init,
+};
+
+static void tusb6010_register_types(void)
+{
+    type_register_static(&tusb6010_info);
+}
+
+type_init(tusb6010_register_types)