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X-Received-From: 2607:f8b0:4864:20::544 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, Gerd Hoffmann , Guenter Roeck , Jean-Christophe Dubois Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add basic USB PHY support as implemented in i.MX23, i.MX28, i.MX6, and i.MX7 SoCs. The only support really needed - at least to boot Linux - is support for soft reset, which needs to reset various registers to their initial value. Otherwise, just record register values. Reviewed-by: Peter Maydell Signed-off-by: Guenter Roeck --- v3: Added Reviewed-by:; dropped duplicate "the" in comments; added new files to MAINTAINERS v2: New patch, replacing dummy STMP register support with basic USB PHY emulation. MAINTAINERS | 2 + hw/arm/Kconfig | 1 + hw/usb/Kconfig | 5 + hw/usb/Makefile.objs | 2 + hw/usb/imx-usb-phy.c | 225 +++++++++++++++++++++++++++++++++++ include/hw/usb/imx-usb-phy.h | 53 +++++++++ 6 files changed, 288 insertions(+) create mode 100644 hw/usb/imx-usb-phy.c create mode 100644 include/hw/usb/imx-usb-phy.h diff --git a/MAINTAINERS b/MAINTAINERS index d881ba7d9c..1cfdeeae32 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -748,6 +748,8 @@ F: hw/arm/sabrelite.c F: hw/arm/fsl-imx6.c F: hw/misc/imx6_*.c F: hw/ssi/imx_spi.c +F: hw/usb/imx-usb-phy.c +F: include/hw/usb/imx-usb-phy.h F: include/hw/arm/fsl-imx6.h F: include/hw/misc/imx6_*.h F: include/hw/ssi/imx_spi.h diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index bc54fd61f9..21c627c3b7 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -361,6 +361,7 @@ config FSL_IMX6 select IMX select IMX_FEC select IMX_I2C + select IMX_USBPHY select SDHCI =20 config ASPEED_SOC diff --git a/hw/usb/Kconfig b/hw/usb/Kconfig index 5e70ed5f7b..464348ba14 100644 --- a/hw/usb/Kconfig +++ b/hw/usb/Kconfig @@ -91,3 +91,8 @@ config USB_STORAGE_MTP bool default y depends on USB + +config IMX_USBPHY + bool + default y + depends on USB diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs index 2b10868937..66835e5bf7 100644 --- a/hw/usb/Makefile.objs +++ b/hw/usb/Makefile.objs @@ -61,3 +61,5 @@ common-obj-$(CONFIG_XEN) +=3D xen-usb.o xen-usb.o-cflags :=3D $(LIBUSB_CFLAGS) xen-usb.o-libs :=3D $(LIBUSB_LIBS) endif + +common-obj-$(CONFIG_IMX_USBPHY) +=3D imx-usb-phy.o diff --git a/hw/usb/imx-usb-phy.c b/hw/usb/imx-usb-phy.c new file mode 100644 index 0000000000..e705a03a1f --- /dev/null +++ b/hw/usb/imx-usb-phy.c @@ -0,0 +1,225 @@ +/* + * i.MX USB PHY + * + * Copyright (c) 2020 Guenter Roeck + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + * + * We need to implement basic reset control in the PHY control register. + * For everything else, it is sufficient to set whatever is written. + */ + +#include "qemu/osdep.h" +#include "hw/usb/imx-usb-phy.h" +#include "migration/vmstate.h" +#include "qemu/log.h" +#include "qemu/module.h" + +static const VMStateDescription vmstate_imx_usbphy =3D { + .name =3D TYPE_IMX_USBPHY, + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (VMStateField[]) { + VMSTATE_UINT32_ARRAY(usbphy, IMXUSBPHYState, USBPHY_MAX), + VMSTATE_END_OF_LIST() + }, +}; + +static void imx_usbphy_softreset(IMXUSBPHYState *s) +{ + s->usbphy[USBPHY_PWD] =3D 0x001e1c00; + s->usbphy[USBPHY_TX] =3D 0x10060607; + s->usbphy[USBPHY_RX] =3D 0x00000000; + s->usbphy[USBPHY_CTRL] =3D 0xc0200000; +} + +static void imx_usbphy_reset(DeviceState *dev) +{ + IMXUSBPHYState *s =3D IMX_USBPHY(dev); + + s->usbphy[USBPHY_STATUS] =3D 0x00000000; + s->usbphy[USBPHY_DEBUG] =3D 0x7f180000; + s->usbphy[USBPHY_DEBUG0_STATUS] =3D 0x00000000; + s->usbphy[USBPHY_DEBUG1] =3D 0x00001000; + s->usbphy[USBPHY_VERSION] =3D 0x04020000; + + imx_usbphy_softreset(s); +} + +static uint64_t imx_usbphy_read(void *opaque, hwaddr offset, unsigned size) +{ + IMXUSBPHYState *s =3D (IMXUSBPHYState *)opaque; + uint32_t index =3D offset >> 2; + uint32_t value; + + switch (index) { + case USBPHY_PWD_SET: + case USBPHY_TX_SET: + case USBPHY_RX_SET: + case USBPHY_CTRL_SET: + case USBPHY_DEBUG_SET: + case USBPHY_DEBUG1_SET: + /* + * All REG_NAME_SET register access are in fact targeting the + * REG_NAME register. + */ + value =3D s->usbphy[index - 1]; + break; + case USBPHY_PWD_CLR: + case USBPHY_TX_CLR: + case USBPHY_RX_CLR: + case USBPHY_CTRL_CLR: + case USBPHY_DEBUG_CLR: + case USBPHY_DEBUG1_CLR: + /* + * All REG_NAME_CLR register access are in fact targeting the + * REG_NAME register. + */ + value =3D s->usbphy[index - 2]; + break; + case USBPHY_PWD_TOG: + case USBPHY_TX_TOG: + case USBPHY_RX_TOG: + case USBPHY_CTRL_TOG: + case USBPHY_DEBUG_TOG: + case USBPHY_DEBUG1_TOG: + /* + * All REG_NAME_TOG register access are in fact targeting the + * REG_NAME register. + */ + value =3D s->usbphy[index - 3]; + break; + default: + value =3D s->usbphy[index]; + break; + } + return (uint64_t)value; +} + +static void imx_usbphy_write(void *opaque, hwaddr offset, uint64_t value, + unsigned size) +{ + IMXUSBPHYState *s =3D (IMXUSBPHYState *)opaque; + uint32_t index =3D offset >> 2; + + switch (index) { + case USBPHY_CTRL: + s->usbphy[index] =3D value; + if (value & USBPHY_CTRL_SFTRST) { + imx_usbphy_softreset(s); + } + break; + case USBPHY_PWD: + case USBPHY_TX: + case USBPHY_RX: + case USBPHY_STATUS: + case USBPHY_DEBUG: + case USBPHY_DEBUG1: + s->usbphy[index] =3D value; + break; + case USBPHY_CTRL_SET: + s->usbphy[index - 1] |=3D value; + if (value & USBPHY_CTRL_SFTRST) { + imx_usbphy_softreset(s); + } + break; + case USBPHY_PWD_SET: + case USBPHY_TX_SET: + case USBPHY_RX_SET: + case USBPHY_DEBUG_SET: + case USBPHY_DEBUG1_SET: + /* + * All REG_NAME_SET register access are in fact targeting the + * REG_NAME register. So we change the value of the REG_NAME + * register, setting bits passed in the value. + */ + s->usbphy[index - 1] |=3D value; + break; + case USBPHY_PWD_CLR: + case USBPHY_TX_CLR: + case USBPHY_RX_CLR: + case USBPHY_CTRL_CLR: + case USBPHY_DEBUG_CLR: + case USBPHY_DEBUG1_CLR: + /* + * All REG_NAME_CLR register access are in fact targeting the + * REG_NAME register. So we change the value of the REG_NAME + * register, unsetting bits passed in the value. + */ + s->usbphy[index - 2] &=3D ~value; + break; + case USBPHY_CTRL_TOG: + s->usbphy[index - 3] ^=3D value; + if ((value & USBPHY_CTRL_SFTRST) && + (s->usbphy[index - 3] & USBPHY_CTRL_SFTRST)) { + imx_usbphy_softreset(s); + } + break; + case USBPHY_PWD_TOG: + case USBPHY_TX_TOG: + case USBPHY_RX_TOG: + case USBPHY_DEBUG_TOG: + case USBPHY_DEBUG1_TOG: + /* + * All REG_NAME_TOG register access are in fact targeting the + * REG_NAME register. So we change the value of the REG_NAME + * register, toggling bits passed in the value. + */ + s->usbphy[index - 3] ^=3D value; + break; + default: + /* Other registers are read-only */ + break; + } +} + +static const struct MemoryRegionOps imx_usbphy_ops =3D { + .read =3D imx_usbphy_read, + .write =3D imx_usbphy_write, + .endianness =3D DEVICE_NATIVE_ENDIAN, + .valid =3D { + /* + * Our device would not work correctly if the guest was doing + * unaligned access. This might not be a limitation on the real + * device but in practice there is no reason for a guest to access + * this device unaligned. + */ + .min_access_size =3D 4, + .max_access_size =3D 4, + .unaligned =3D false, + }, +}; + +static void imx_usbphy_realize(DeviceState *dev, Error **errp) +{ + IMXUSBPHYState *s =3D IMX_USBPHY(dev); + + memory_region_init_io(&s->iomem, OBJECT(s), &imx_usbphy_ops, s, + "imx-usbphy", 0x1000); + sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->iomem); +} + +static void imx_usbphy_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + + dc->reset =3D imx_usbphy_reset; + dc->vmsd =3D &vmstate_imx_usbphy; + dc->desc =3D "i.MX USB PHY Module"; + dc->realize =3D imx_usbphy_realize; +} + +static const TypeInfo imx_usbphy_info =3D { + .name =3D TYPE_IMX_USBPHY, + .parent =3D TYPE_SYS_BUS_DEVICE, + .instance_size =3D sizeof(IMXUSBPHYState), + .class_init =3D imx_usbphy_class_init, +}; + +static void imx_usbphy_register_types(void) +{ + type_register_static(&imx_usbphy_info); +} + +type_init(imx_usbphy_register_types) diff --git a/include/hw/usb/imx-usb-phy.h b/include/hw/usb/imx-usb-phy.h new file mode 100644 index 0000000000..07f0235d10 --- /dev/null +++ b/include/hw/usb/imx-usb-phy.h @@ -0,0 +1,53 @@ +#ifndef IMX_USB_PHY_H +#define IMX_USB_PHY_H + +#include "hw/sysbus.h" +#include "qemu/bitops.h" + +enum IMXUsbPhyRegisters { + USBPHY_PWD, + USBPHY_PWD_SET, + USBPHY_PWD_CLR, + USBPHY_PWD_TOG, + USBPHY_TX, + USBPHY_TX_SET, + USBPHY_TX_CLR, + USBPHY_TX_TOG, + USBPHY_RX, + USBPHY_RX_SET, + USBPHY_RX_CLR, + USBPHY_RX_TOG, + USBPHY_CTRL, + USBPHY_CTRL_SET, + USBPHY_CTRL_CLR, + USBPHY_CTRL_TOG, + USBPHY_STATUS, + USBPHY_DEBUG =3D 0x14, + USBPHY_DEBUG_SET, + USBPHY_DEBUG_CLR, + USBPHY_DEBUG_TOG, + USBPHY_DEBUG0_STATUS, + USBPHY_DEBUG1 =3D 0x1c, + USBPHY_DEBUG1_SET, + USBPHY_DEBUG1_CLR, + USBPHY_DEBUG1_TOG, + USBPHY_VERSION, + USBPHY_MAX +}; + +#define USBPHY_CTRL_SFTRST BIT(31) + +#define TYPE_IMX_USBPHY "imx.usbphy" +#define IMX_USBPHY(obj) OBJECT_CHECK(IMXUSBPHYState, (obj), TYPE_IMX_USBPH= Y) + +typedef struct IMXUSBPHYState { + /* */ + SysBusDevice parent_obj; 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X-Received-From: 2607:f8b0:4864:20::444 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, Gerd Hoffmann , Guenter Roeck , Jean-Christophe Dubois Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" USB1 and USB2 interrupt numbers were swapped. USB_PHY2 interrupt number is 45. That didn't really matter up to now since the interrupts were not used, but it needs to be fixed to be able to wire up the USB controllers. Fixes: 31cbf933f0e ("i.MX6UL: Add i.MX6UL SOC") Signed-off-by: Guenter Roeck --- v3: New patch include/hw/arm/fsl-imx6ul.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/hw/arm/fsl-imx6ul.h b/include/hw/arm/fsl-imx6ul.h index eda389aec7..5a420785b9 100644 --- a/include/hw/arm/fsl-imx6ul.h +++ b/include/hw/arm/fsl-imx6ul.h @@ -241,10 +241,10 @@ enum FslIMX6ULIRQs { FSL_IMX6UL_UART7_IRQ =3D 39, FSL_IMX6UL_UART8_IRQ =3D 40, =20 - FSL_IMX6UL_USB1_IRQ =3D 42, - FSL_IMX6UL_USB2_IRQ =3D 43, + FSL_IMX6UL_USB1_IRQ =3D 43, + FSL_IMX6UL_USB2_IRQ =3D 42, FSL_IMX6UL_USB_PHY1_IRQ =3D 44, - FSL_IMX6UL_USB_PHY2_IRQ =3D 44, + FSL_IMX6UL_USB_PHY2_IRQ =3D 45, =20 FSL_IMX6UL_CAAM_JQ2_IRQ =3D 46, FSL_IMX6UL_CAAM_ERR_IRQ =3D 47, --=20 2.17.1 From nobody Sun May 5 10:20:32 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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X-Received-From: 2607:f8b0:4864:20::541 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, Gerd Hoffmann , Guenter Roeck , Jean-Christophe Dubois Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Recent Linux kernels (post v4.20) crash due to accesses to flexcan and pwm controllers. Instantiate as unimplemented devices to work around the problem. Signed-off-by: Guenter Roeck --- v3: New patch hw/arm/fsl-imx6ul.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/hw/arm/fsl-imx6ul.c b/hw/arm/fsl-imx6ul.c index c405b68d1d..a0bcc6f895 100644 --- a/hw/arm/fsl-imx6ul.c +++ b/hw/arm/fsl-imx6ul.c @@ -516,6 +516,20 @@ static void fsl_imx6ul_realize(DeviceState *dev, Error= **errp) */ create_unimplemented_device("sdma", FSL_IMX6UL_SDMA_ADDR, 0x4000); =20 + /* + * PWM + */ + create_unimplemented_device("pwm1", FSL_IMX6UL_PWM1_ADDR, 0x4000); + create_unimplemented_device("pwm2", FSL_IMX6UL_PWM2_ADDR, 0x4000); + create_unimplemented_device("pwm3", FSL_IMX6UL_PWM3_ADDR, 0x4000); + create_unimplemented_device("pwm4", FSL_IMX6UL_PWM4_ADDR, 0x4000); + + /* + * CAN + */ + create_unimplemented_device("can1", FSL_IMX6UL_CAN1_ADDR, 0x4000); + create_unimplemented_device("can2", FSL_IMX6UL_CAN2_ADDR, 0x4000); + /* * APHB_DMA */ --=20 2.17.1 From nobody Sun May 5 10:20:32 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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X-Received-From: 2607:f8b0:4864:20::443 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, Gerd Hoffmann , Guenter Roeck , Jean-Christophe Dubois Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 --- v3: Wire up USB and USB PHY controllers in separate loops While the number of USB controllers matches the number of USB PHYs, they are logically different. v2: Use USB PHY emulation hw/arm/fsl-imx6ul.c | 35 +++++++++++++++++++++++++++++++++++ include/hw/arm/fsl-imx6ul.h | 10 ++++++++++ 2 files changed, 45 insertions(+) diff --git a/hw/arm/fsl-imx6ul.c b/hw/arm/fsl-imx6ul.c index a0bcc6f895..99a5859a4e 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 +134,18 @@ static void fsl_imx6ul_init(Object *obj) TYPE_IMX_ENET); } =20 + /* USB */ + for (i =3D 0; i < FSL_IMX6UL_NUM_USB_PHYS; i++) { + snprintf(name, NAME_SIZE, "usbphy%d", i); + sysbus_init_child_obj(obj, name, &s->usbphy[i], sizeof(s->usbphy[i= ]), + TYPE_IMX_USBPHY); + } + for (i =3D 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); + } + /* * SDHCI */ @@ -456,6 +469,28 @@ static void fsl_imx6ul_realize(DeviceState *dev, Error= **errp) FSL_IMX6UL_ENETn_TIMER_IRQ[i])= ); } =20 + /* USB */ + for (i =3D 0; i < FSL_IMX6UL_NUM_USB_PHYS; i++) { + 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); + } + + for (i =3D 0; i < FSL_IMX6UL_NUM_USBS; i++) { + static const int FSL_IMX6UL_USBn_IRQ[] =3D { + FSL_IMX6UL_USB1_IRQ, + FSL_IMX6UL_USB2_IRQ, + }; + 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 5a420785b9..1a0bab8daa 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" =20 @@ -54,6 +56,8 @@ enum FslIMX6ULConfiguration { FSL_IMX6UL_NUM_I2CS =3D 4, FSL_IMX6UL_NUM_ECSPIS =3D 4, FSL_IMX6UL_NUM_ADCS =3D 2, + FSL_IMX6UL_NUM_USB_PHYS =3D 2, + FSL_IMX6UL_NUM_USBS =3D 2, }; =20 typedef struct FslIMX6ULState { @@ -77,6 +81,8 @@ 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_USB_PHYS]; + ChipideaState usb[FSL_IMX6UL_NUM_USBS]; MemoryRegion rom; MemoryRegion caam; MemoryRegion ocram; @@ -145,6 +151,10 @@ enum FslIMX6ULMemoryMap { FSL_IMX6UL_EPIT2_ADDR =3D 0x020D4000, FSL_IMX6UL_EPIT1_ADDR =3D 0x020D0000, FSL_IMX6UL_SNVS_HP_ADDR =3D 0x020CC000, + FSL_IMX6UL_USBPHY2_ADDR =3D 0x020CA000, + FSL_IMX6UL_USBPHY2_SIZE =3D (4 * 1024), + FSL_IMX6UL_USBPHY1_ADDR =3D 0x020C9000, + FSL_IMX6UL_USBPHY1_SIZE =3D (4 * 1024), FSL_IMX6UL_ANALOG_ADDR =3D 0x020C8000, FSL_IMX6UL_CCM_ADDR =3D 0x020C4000, FSL_IMX6UL_WDOG2_ADDR =3D 0x020C0000, --=20 2.17.1 From nobody Sun May 5 10:20:32 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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X-Received-From: 2607:f8b0:4864:20::443 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, Gerd Hoffmann , Guenter Roeck , Jean-Christophe Dubois Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" With this patch, the USB controllers on 'sabrelite' are detected and can be used to boot the system. Signed-off-by: Guenter Roeck --- v3: Wire up USB and USB PHY controllers separately. The number of USB controllers does not match the number of USB PHYs, and they are logically different.=20 v2: Use USB PHY emulation hw/arm/fsl-imx6.c | 36 ++++++++++++++++++++++++++++++++++++ include/hw/arm/fsl-imx6.h | 6 ++++++ 2 files changed, 42 insertions(+) diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c index ecc62855f2..e095e4abc6 100644 --- a/hw/arm/fsl-imx6.c +++ b/hw/arm/fsl-imx6.c @@ -22,6 +22,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "hw/arm/fsl-imx6.h" +#include "hw/usb/imx-usb-phy.h" #include "hw/boards.h" #include "hw/qdev-properties.h" #include "sysemu/sysemu.h" @@ -86,6 +87,17 @@ static void fsl_imx6_init(Object *obj) TYPE_IMX_USDHC); } =20 + for (i =3D 0; i < FSL_IMX6_NUM_USB_PHYS; i++) { + snprintf(name, NAME_SIZE, "usbphy%d", i); + sysbus_init_child_obj(obj, name, &s->usbphy[i], sizeof(s->usbphy[i= ]), + TYPE_IMX_USBPHY); + } + for (i =3D 0; i < FSL_IMX6_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); + } + for (i =3D 0; i < FSL_IMX6_NUM_ECSPIS; i++) { snprintf(name, NAME_SIZE, "spi%d", i + 1); sysbus_init_child_obj(obj, name, &s->spi[i], sizeof(s->spi[i]), @@ -349,6 +361,30 @@ static void fsl_imx6_realize(DeviceState *dev, Error *= *errp) esdhc_table[i].irq)); } =20 + /* USB */ + for (i =3D 0; i < FSL_IMX6_NUM_USB_PHYS; i++) { + object_property_set_bool(OBJECT(&s->usbphy[i]), true, "realized", + &error_abort); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->usbphy[i]), 0, + FSL_IMX6_USBPHY1_ADDR + i * 0x1000); + } + for (i =3D 0; i < FSL_IMX6_NUM_USBS; i++) { + static const int FSL_IMX6_USBn_IRQ[] =3D { + FSL_IMX6_USB_OTG_IRQ, + FSL_IMX6_USB_HOST1_IRQ, + FSL_IMX6_USB_HOST2_IRQ, + FSL_IMX6_USB_HOST3_IRQ, + }; + + object_property_set_bool(OBJECT(&s->usb[i]), true, "realized", + &error_abort); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->usb[i]), 0, + FSL_IMX6_USBOH3_USB_ADDR + i * 0x200); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb[i]), 0, + qdev_get_gpio_in(DEVICE(&s->a9mpcore), + FSL_IMX6_USBn_IRQ[i])); + } + /* Initialize all ECSPI */ for (i =3D 0; i < FSL_IMX6_NUM_ECSPIS; i++) { static const struct { diff --git a/include/hw/arm/fsl-imx6.h b/include/hw/arm/fsl-imx6.h index 60eadccb42..973bcb72f7 100644 --- a/include/hw/arm/fsl-imx6.h +++ b/include/hw/arm/fsl-imx6.h @@ -30,6 +30,8 @@ #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" =20 @@ -44,6 +46,8 @@ #define FSL_IMX6_NUM_ESDHCS 4 #define FSL_IMX6_NUM_ECSPIS 5 #define FSL_IMX6_NUM_WDTS 2 +#define FSL_IMX6_NUM_USB_PHYS 2 +#define FSL_IMX6_NUM_USBS 4 =20 typedef struct FslIMX6State { /*< private >*/ @@ -62,6 +66,8 @@ typedef struct FslIMX6State { SDHCIState esdhc[FSL_IMX6_NUM_ESDHCS]; IMXSPIState spi[FSL_IMX6_NUM_ECSPIS]; IMX2WdtState wdt[FSL_IMX6_NUM_WDTS]; + IMXUSBPHYState usbphy[FSL_IMX6_NUM_USB_PHYS]; + ChipideaState usb[FSL_IMX6_NUM_USBS]; IMXFECState eth; MemoryRegion rom; MemoryRegion caam; --=20 2.17.1