IMX6UL USB controllers are quite similar to IMX7 USB controllers.
Wire them up the same way.
The only real difference is that wiring up phy devices is necessary
to avoid phy reset timeouts in the Linux kernel.
Signed-off-by: Guenter Roeck <li...@roeck-us.net>
---
v2: Use USB PHY emulation
hw/arm/fsl-imx6ul.c | 33 +++++++++++++++++++++++++++++++++
include/hw/arm/fsl-imx6ul.h | 9 +++++++++
2 files changed, 42 insertions(+)
diff --git a/hw/arm/fsl-imx6ul.c b/hw/arm/fsl-imx6ul.c
index c405b68d1d..ef2a7a87e8 100644
--- a/hw/arm/fsl-imx6ul.c
+++ b/hw/arm/fsl-imx6ul.c
@@ -20,6 +20,7 @@
#include "qapi/error.h"
#include "hw/arm/fsl-imx6ul.h"
#include "hw/misc/unimp.h"
+#include "hw/usb/imx-usb-phy.h"
#include "hw/boards.h"
#include "sysemu/sysemu.h"
#include "qemu/error-report.h"
@@ -133,6 +134,16 @@ static void fsl_imx6ul_init(Object *obj)
TYPE_IMX_ENET);
}
+ /* USB */
+ for (i = 0; i < FSL_IMX6UL_NUM_USBS; i++) {
+ snprintf(name, NAME_SIZE, "usb%d", i);
+ sysbus_init_child_obj(obj, name, &s->usb[i], sizeof(s->usb[i]),
+ TYPE_CHIPIDEA);
+ snprintf(name, NAME_SIZE, "usbphy%d", i);
+ sysbus_init_child_obj(obj, name, &s->usbphy[i], sizeof(s->usbphy[i]),
+ TYPE_IMX_USBPHY);
+ }
+
/*
* SDHCI
*/
@@ -456,6 +467,28 @@ static void fsl_imx6ul_realize(DeviceState *dev, Error
**errp)
FSL_IMX6UL_ENETn_TIMER_IRQ[i]));
}
+ /* USB */
+ for (i = 0; i < FSL_IMX6UL_NUM_USBS; i++) {
+ static const int FSL_IMX6UL_USBn_IRQ[] = {
+ FSL_IMX6UL_USB2_IRQ,
+ FSL_IMX6UL_USB1_IRQ,
+ };
+
+ object_property_set_bool(OBJECT(&s->usbphy[i]), true, "realized",
+ &error_abort);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->usbphy[i]), 0,
+ FSL_IMX6UL_USBPHY1_ADDR + i * 0x1000);
+
+ object_property_set_bool(OBJECT(&s->usb[i]), true, "realized",
+ &error_abort);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->usb[i]), 0,
+ FSL_IMX6UL_USBO2_USB_ADDR + i * 0x200);
+
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb[i]), 0,
+ qdev_get_gpio_in(DEVICE(&s->a7mpcore),
+ FSL_IMX6UL_USBn_IRQ[i]));
+ }
+
/*
* USDHC
*/
diff --git a/include/hw/arm/fsl-imx6ul.h b/include/hw/arm/fsl-imx6ul.h
index eda389aec7..6969911a2a 100644
--- a/include/hw/arm/fsl-imx6ul.h
+++ b/include/hw/arm/fsl-imx6ul.h
@@ -34,6 +34,8 @@
#include "hw/sd/sdhci.h"
#include "hw/ssi/imx_spi.h"
#include "hw/net/imx_fec.h"
+#include "hw/usb/chipidea.h"
+#include "hw/usb/imx-usb-phy.h"
#include "exec/memory.h"
#include "cpu.h"
@@ -54,6 +56,7 @@ enum FslIMX6ULConfiguration {
FSL_IMX6UL_NUM_I2CS = 4,
FSL_IMX6UL_NUM_ECSPIS = 4,
FSL_IMX6UL_NUM_ADCS = 2,
+ FSL_IMX6UL_NUM_USBS = 2,
};
typedef struct FslIMX6ULState {
@@ -77,6 +80,8 @@ typedef struct FslIMX6ULState {
IMXFECState eth[FSL_IMX6UL_NUM_ETHS];
SDHCIState usdhc[FSL_IMX6UL_NUM_USDHCS];
IMX2WdtState wdt[FSL_IMX6UL_NUM_WDTS];
+ IMXUSBPHYState usbphy[FSL_IMX6UL_NUM_USBS];
+ ChipideaState usb[FSL_IMX6UL_NUM_USBS];
MemoryRegion rom;
MemoryRegion caam;
MemoryRegion ocram;
@@ -145,6 +150,10 @@ enum FslIMX6ULMemoryMap {
FSL_IMX6UL_EPIT2_ADDR = 0x020D4000,
FSL_IMX6UL_EPIT1_ADDR = 0x020D0000,
FSL_IMX6UL_SNVS_HP_ADDR = 0x020CC000,
+ FSL_IMX6UL_USBPHY2_ADDR = 0x020CA000,
+ FSL_IMX6UL_USBPHY2_SIZE = (4 * 1024),
+ FSL_IMX6UL_USBPHY1_ADDR = 0x020C9000,
+ FSL_IMX6UL_USBPHY1_SIZE = (4 * 1024),
FSL_IMX6UL_ANALOG_ADDR = 0x020C8000,
FSL_IMX6UL_CCM_ADDR = 0x020C4000,
FSL_IMX6UL_WDOG2_ADDR = 0x020C0000,
--
2.17.1
