@@ -23,6 +23,7 @@ The Banana Pi M2U machine supports the following devices:
* GMAC ethernet
* Clock Control Unit
* TWI (I2C)
+ * USB 2.0
Limitations
"""""""""""
@@ -33,7 +34,6 @@ Currently, Banana Pi M2U does *not* support the following features:
- Audio output
- Hardware Watchdog
- Real Time Clock
-- USB 2.0 interfaces
Also see the 'unimplemented' array in the Allwinner R40 SoC module
for a complete list of unimplemented I/O devices: ``./hw/arm/allwinner-r40.c``
@@ -30,6 +30,8 @@
#include "hw/i2c/allwinner-i2c.h"
#include "hw/net/allwinner_emac.h"
#include "hw/net/allwinner-sun8i-emac.h"
+#include "hw/usb/hcd-ohci.h"
+#include "hw/usb/hcd-ehci.h"
#include "target/arm/cpu.h"
#include "sysemu/block-backend.h"
@@ -44,6 +46,10 @@ enum {
AW_R40_DEV_MMC1,
AW_R40_DEV_MMC2,
AW_R40_DEV_MMC3,
+ AW_R40_DEV_EHCI1,
+ AW_R40_DEV_OHCI1,
+ AW_R40_DEV_EHCI2,
+ AW_R40_DEV_OHCI2,
AW_R40_DEV_CCU,
AW_R40_DEV_PIT,
AW_R40_DEV_UART0,
@@ -88,6 +94,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(AwR40State, AW_R40)
* which are currently emulated by the R40 SoC code.
*/
#define AW_R40_NUM_MMCS 4
+#define AW_R40_NUM_USB 2
#define AW_R40_NUM_UARTS 8
struct AwR40State {
@@ -106,6 +113,8 @@ struct AwR40State {
AwSRAMCState sramc;
AwA10PITState timer;
AwSdHostState mmc[AW_R40_NUM_MMCS];
+ EHCISysBusState ehci[AW_R40_NUM_USB];
+ OHCISysBusState ohci[AW_R40_NUM_USB];
AwR40ClockCtlState ccu;
AwR40DramCtlState dramc;
AWI2CState i2c0;
@@ -23,6 +23,7 @@
#include "qemu/bswap.h"
#include "qemu/module.h"
#include "qemu/units.h"
+#include "hw/boards.h"
#include "hw/qdev-core.h"
#include "hw/sysbus.h"
#include "hw/char/serial.h"
@@ -45,6 +46,10 @@ const hwaddr allwinner_r40_memmap[] = {
[AW_R40_DEV_MMC1] = 0x01c10000,
[AW_R40_DEV_MMC2] = 0x01c11000,
[AW_R40_DEV_MMC3] = 0x01c12000,
+ [AW_R40_DEV_EHCI1] = 0x01c19000,
+ [AW_R40_DEV_OHCI1] = 0x01c19400,
+ [AW_R40_DEV_EHCI2] = 0x01c1c000,
+ [AW_R40_DEV_OHCI2] = 0x01c1c400,
[AW_R40_DEV_CCU] = 0x01c20000,
[AW_R40_DEV_PIT] = 0x01c20c00,
[AW_R40_DEV_UART0] = 0x01c28000,
@@ -89,9 +94,9 @@ static struct AwR40Unimplemented r40_unimplemented[] = {
{ "crypto", 0x01c15000, 4 * KiB },
{ "spi2", 0x01c17000, 4 * KiB },
{ "sata", 0x01c18000, 4 * KiB },
- { "usb1-host", 0x01c19000, 4 * KiB },
+ { "usb1-phy", 0x01c19800, 2 * KiB },
{ "sid", 0x01c1b000, 4 * KiB },
- { "usb2-host", 0x01c1c000, 4 * KiB },
+ { "usb2-phy", 0x01c1c800, 2 * KiB },
{ "cs1", 0x01c1d000, 4 * KiB },
{ "spi3", 0x01c1f000, 4 * KiB },
{ "rtc", 0x01c20400, 1 * KiB },
@@ -181,6 +186,10 @@ enum {
AW_R40_GIC_SPI_MMC2 = 34,
AW_R40_GIC_SPI_MMC3 = 35,
AW_R40_GIC_SPI_EMAC = 55,
+ AW_R40_GIC_SPI_OHCI1 = 64,
+ AW_R40_GIC_SPI_OHCI2 = 65,
+ AW_R40_GIC_SPI_EHCI1 = 76,
+ AW_R40_GIC_SPI_EHCI2 = 78,
AW_R40_GIC_SPI_GMAC = 85,
};
@@ -276,6 +285,13 @@ static void allwinner_r40_init(Object *obj)
TYPE_AW_SDHOST_SUN50I_A64);
}
+ for (size_t i = 0; i < AW_R40_NUM_USB; i++) {
+ object_initialize_child(obj, "ehci[*]", &s->ehci[i],
+ TYPE_PLATFORM_EHCI);
+ object_initialize_child(obj, "ohci[*]", &s->ohci[i],
+ TYPE_SYSBUS_OHCI);
+ }
+
object_initialize_child(obj, "twi0", &s->i2c0, TYPE_AW_I2C_SUN6I);
object_initialize_child(obj, "emac", &s->emac, TYPE_AW_EMAC);
@@ -407,6 +423,33 @@ static void allwinner_r40_realize(DeviceState *dev, Error **errp)
sysbus_realize(SYS_BUS_DEVICE(&s->ccu), &error_fatal);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccu), 0, s->memmap[AW_R40_DEV_CCU]);
+ /* USB */
+ for (size_t i = 0; i < AW_R40_NUM_USB; i++) {
+ g_autofree char *bus = g_strdup_printf("usb-bus.%zu", i);
+
+ object_property_set_bool(OBJECT(&s->ehci[i]), "companion-enable", true,
+ &error_fatal);
+ sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
+ allwinner_r40_memmap[i ? AW_R40_DEV_EHCI2
+ : AW_R40_DEV_EHCI1]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
+ qdev_get_gpio_in(DEVICE(&s->gic),
+ i ? AW_R40_GIC_SPI_EHCI2
+ : AW_R40_GIC_SPI_EHCI1));
+
+ object_property_set_str(OBJECT(&s->ohci[i]), "masterbus", bus,
+ &error_fatal);
+ sysbus_realize(SYS_BUS_DEVICE(&s->ohci[i]), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci[i]), 0,
+ allwinner_r40_memmap[i ? AW_R40_DEV_OHCI2
+ : AW_R40_DEV_OHCI1]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci[i]), 0,
+ qdev_get_gpio_in(DEVICE(&s->gic),
+ i ? AW_R40_GIC_SPI_OHCI2
+ : AW_R40_GIC_SPI_OHCI1));
+ }
+
/* SD/MMC */
for (int i = 0; i < AW_R40_NUM_MMCS; i++) {
qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->gic),
@@ -415,6 +415,8 @@ config ALLWINNER_R40
select ARM_TIMER
select ARM_GIC
select UNIMP
+ select USB_OHCI
+ select USB_EHCI_SYSBUS
select SD
config RASPI