--- /dev/null
+/*
+ * 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),
+ NANOSECONDS_PER_SECOND, 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) +
+ NANOSECONDS_PER_SECOND / 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)
Code Review / kvmfornfv.git / blobdiff