[mirror_qemu.git] / hw / arm / bcm2835_peripherals.c

/*
 * Raspberry Pi emulation (c) 2012 Gregory Estrade
 * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
 *
 * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
 * Written by Andrew Baumann
 *
 * This code is licensed under the GNU GPLv2 and later.
 */

#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "hw/arm/bcm2835_peripherals.h"
#include "hw/misc/bcm2835_mbox_defs.h"
#include "hw/arm/raspi_platform.h"
#include "sysemu/sysemu.h"

/* Peripheral base address on the VC (GPU) system bus */
#define BCM2835_VC_PERI_BASE 0x7e000000

/* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
#define BCM2835_SDHC_CAPAREG 0x52134b4

static void create_unimp(BCM2835PeripheralState *ps,
                         UnimplementedDeviceState *uds,
                         const char *name, hwaddr ofs, hwaddr size)
{
    sysbus_init_child_obj(OBJECT(ps), name, uds,
                          sizeof(UnimplementedDeviceState),
                          TYPE_UNIMPLEMENTED_DEVICE);
    qdev_prop_set_string(DEVICE(uds), "name", name);
    qdev_prop_set_uint64(DEVICE(uds), "size", size);
    object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal);
    memory_region_add_subregion_overlap(&ps->peri_mr, ofs,
                    sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000);
}

static void bcm2835_peripherals_init(Object *obj)
{
    BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);

    /* Memory region for peripheral devices, which we export to our parent */
    memory_region_init(&s->peri_mr, obj,"bcm2835-peripherals", 0x1000000);
    object_property_add_child(obj, "peripheral-io", OBJECT(&s->peri_mr), NULL);
    sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);

    /* Internal memory region for peripheral bus addresses (not exported) */
    memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
    object_property_add_child(obj, "gpu-bus", OBJECT(&s->gpu_bus_mr), NULL);

    /* Internal memory region for request/response communication with
     * mailbox-addressable peripherals (not exported)
     */
    memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
                       MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);

    /* Interrupt Controller */
    sysbus_init_child_obj(obj, "ic", &s->ic, sizeof(s->ic), TYPE_BCM2835_IC);

    /* UART0 */
    sysbus_init_child_obj(obj, "uart0", &s->uart0, sizeof(s->uart0),
                          TYPE_PL011);

    /* AUX / UART1 */
    sysbus_init_child_obj(obj, "aux", &s->aux, sizeof(s->aux),
                          TYPE_BCM2835_AUX);

    /* Mailboxes */
    sysbus_init_child_obj(obj, "mbox", &s->mboxes, sizeof(s->mboxes),
                          TYPE_BCM2835_MBOX);

    object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
                                   OBJECT(&s->mbox_mr), &error_abort);

    /* Framebuffer */
    sysbus_init_child_obj(obj, "fb", &s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
    object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
                              &error_abort);

    object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
                                   OBJECT(&s->gpu_bus_mr), &error_abort);

    /* Property channel */
    sysbus_init_child_obj(obj, "property", &s->property, sizeof(s->property),
                          TYPE_BCM2835_PROPERTY);
    object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
                              "board-rev", &error_abort);

    object_property_add_const_link(OBJECT(&s->property), "fb",
                                   OBJECT(&s->fb), &error_abort);
    object_property_add_const_link(OBJECT(&s->property), "dma-mr",
                                   OBJECT(&s->gpu_bus_mr), &error_abort);

    /* Random Number Generator */
    sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
                          TYPE_BCM2835_RNG);

    /* Extended Mass Media Controller */
    sysbus_init_child_obj(obj, "sdhci", &s->sdhci, sizeof(s->sdhci),
                          TYPE_SYSBUS_SDHCI);

    /* SDHOST */
    sysbus_init_child_obj(obj, "sdhost", &s->sdhost, sizeof(s->sdhost),
                          TYPE_BCM2835_SDHOST);

    /* DMA Channels */
    sysbus_init_child_obj(obj, "dma", &s->dma, sizeof(s->dma),
                          TYPE_BCM2835_DMA);

    object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
                                   OBJECT(&s->gpu_bus_mr), &error_abort);

    /* GPIO */
    sysbus_init_child_obj(obj, "gpio", &s->gpio, sizeof(s->gpio),
                          TYPE_BCM2835_GPIO);

    object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
                                   OBJECT(&s->sdhci.sdbus), &error_abort);
    object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
                                   OBJECT(&s->sdhost.sdbus), &error_abort);
}

static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
{
    BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
    Object *obj;
    MemoryRegion *ram;
    Error *err = NULL;
    uint64_t ram_size, vcram_size;
    int n;

    obj = object_property_get_link(OBJECT(dev), "ram", &err);
    if (obj == NULL) {
        error_setg(errp, "%s: required ram link not found: %s",
                   __func__, error_get_pretty(err));
        return;
    }

    ram = MEMORY_REGION(obj);
    ram_size = memory_region_size(ram);

    /* Map peripherals and RAM into the GPU address space. */
    memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
                             "bcm2835-peripherals", &s->peri_mr, 0,
                             memory_region_size(&s->peri_mr));

    memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
                                        &s->peri_mr_alias, 1);

    /* RAM is aliased four times (different cache configurations) on the GPU */
    for (n = 0; n < 4; n++) {
        memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
                                 "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
        memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
                                            &s->ram_alias[n], 0);
    }

    /* Interrupt Controller */
    object_property_set_bool(OBJECT(&s->ic), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
    sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));

    /* UART0 */
    qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
    object_property_set_bool(OBJECT(&s->uart0), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
        qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
                               INTERRUPT_UART0));

    /* AUX / UART1 */
    qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));

    object_property_set_bool(OBJECT(&s->aux), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, AUX_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
        qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
                               INTERRUPT_AUX));

    /* Mailboxes */
    object_property_set_bool(OBJECT(&s->mboxes), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
        qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
                               INTERRUPT_ARM_MAILBOX));

    /* Framebuffer */
    vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    object_property_set_uint(OBJECT(&s->fb), ram_size - vcram_size,
                             "vcram-base", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    object_property_set_bool(OBJECT(&s->fb), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
                       qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));

    /* Property channel */
    object_property_set_bool(OBJECT(&s->property), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->mbox_mr,
                MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
                      qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));

    /* Random Number Generator */
    object_property_set_bool(OBJECT(&s->rng), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));

    /* Extended Mass Media Controller
     *
     * Compatible with:
     * - SD Host Controller Specification Version 3.0 Draft 1.0
     * - SDIO Specification Version 3.0
     * - MMC Specification Version 4.4
     *
     * For the exact details please refer to the Arasan documentation:
     *   SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
     */
    object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version", &err);
    object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
                             &err);
    object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
                             &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
        qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
                               INTERRUPT_ARASANSDIO));

    /* SDHOST */
    object_property_set_bool(OBJECT(&s->sdhost), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
    sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
        qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
                               INTERRUPT_SDIO));

    /* DMA Channels */
    object_property_set_bool(OBJECT(&s->dma), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
    memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));

    for (n = 0; n <= 12; n++) {
        sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), n,
                           qdev_get_gpio_in_named(DEVICE(&s->ic),
                                                  BCM2835_IC_GPU_IRQ,
                                                  INTERRUPT_DMA0 + n));
    }

    /* GPIO */
    object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));

    object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus",
                              &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
    create_unimp(s, &s->systmr, "bcm2835-systimer", ST_OFFSET, 0x20);
    create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
    create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000);
    create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
    create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
    create_unimp(s, &s->spi[0], "bcm2835-spi0", SPI0_OFFSET, 0x20);
    create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
    create_unimp(s, &s->i2c[0], "bcm2835-i2c0", BSC0_OFFSET, 0x20);
    create_unimp(s, &s->i2c[1], "bcm2835-i2c1", BSC1_OFFSET, 0x20);
    create_unimp(s, &s->i2c[2], "bcm2835-i2c2", BSC2_OFFSET, 0x20);
    create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
    create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
    create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
    create_unimp(s, &s->dwc2, "dwc-usb2", USB_OTG_OFFSET, 0x1000);
    create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
}

static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(oc);

    dc->realize = bcm2835_peripherals_realize;
}

static const TypeInfo bcm2835_peripherals_type_info = {
    .name = TYPE_BCM2835_PERIPHERALS,
    .parent = TYPE_SYS_BUS_DEVICE,
    .instance_size = sizeof(BCM2835PeripheralState),
    .instance_init = bcm2835_peripherals_init,
    .class_init = bcm2835_peripherals_class_init,
};

static void bcm2835_peripherals_register_types(void)
{
    type_register_static(&bcm2835_peripherals_type_info);
}

type_init(bcm2835_peripherals_register_types)
Commit	Line	Data
7c62aeb8 AB	1	/*
	2	* Raspberry Pi emulation (c) 2012 Gregory Estrade
	3	* Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
	4	*
	5	* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
	6	* Written by Andrew Baumann
	7	*
	8	* This code is licensed under the GNU GPLv2 and later.
	9	*/
	10
c964b660	11	#include "qemu/osdep.h"
da34e65c	12	#include "qapi/error.h"
0b8fa32f	13	#include "qemu/module.h"
7c62aeb8 AB	14	#include "hw/arm/bcm2835_peripherals.h"
	15	#include "hw/misc/bcm2835_mbox_defs.h"
	16	#include "hw/arm/raspi_platform.h"
f0d1d2c1	17	#include "sysemu/sysemu.h"
7c62aeb8 AB	18
	19	/* Peripheral base address on the VC (GPU) system bus */
	20	#define BCM2835_VC_PERI_BASE 0x7e000000
	21
	22	/* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
e4fcd07c	23	#define BCM2835_SDHC_CAPAREG 0x52134b4
7c62aeb8	24
00cbd5bd PMD	25	static void create_unimp(BCM2835PeripheralState *ps,
	26	UnimplementedDeviceState *uds,
	27	const char *name, hwaddr ofs, hwaddr size)
	28	{
	29	sysbus_init_child_obj(OBJECT(ps), name, uds,
	30	sizeof(UnimplementedDeviceState),
	31	TYPE_UNIMPLEMENTED_DEVICE);
	32	qdev_prop_set_string(DEVICE(uds), "name", name);
	33	qdev_prop_set_uint64(DEVICE(uds), "size", size);
	34	object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal);
	35	memory_region_add_subregion_overlap(&ps->peri_mr, ofs,
	36	sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000);
	37	}
	38
7c62aeb8 AB	39	static void bcm2835_peripherals_init(Object *obj)
	40	{
	41	BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
	42
	43	/* Memory region for peripheral devices, which we export to our parent */
	44	memory_region_init(&s->peri_mr, obj,"bcm2835-peripherals", 0x1000000);
	45	object_property_add_child(obj, "peripheral-io", OBJECT(&s->peri_mr), NULL);
	46	sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
	47
	48	/* Internal memory region for peripheral bus addresses (not exported) */
	49	memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
	50	object_property_add_child(obj, "gpu-bus", OBJECT(&s->gpu_bus_mr), NULL);
	51
	52	/* Internal memory region for request/response communication with
	53	* mailbox-addressable peripherals (not exported)
	54	*/
	55	memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
	56	MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);
	57
	58	/* Interrupt Controller */
661488b9	59	sysbus_init_child_obj(obj, "ic", &s->ic, sizeof(s->ic), TYPE_BCM2835_IC);
7c62aeb8 AB	60
7c62aeb8 AB	61	/* UART0 */
661488b9 PMD	62	sysbus_init_child_obj(obj, "uart0", &s->uart0, sizeof(s->uart0),
661488b9 PMD	63	TYPE_PL011);
7c62aeb8	64
97398d90	65	/* AUX / UART1 */
661488b9 PMD	66	sysbus_init_child_obj(obj, "aux", &s->aux, sizeof(s->aux),
661488b9 PMD	67	TYPE_BCM2835_AUX);
97398d90	68
7c62aeb8	69	/* Mailboxes */
661488b9 PMD	70	sysbus_init_child_obj(obj, "mbox", &s->mboxes, sizeof(s->mboxes),
661488b9 PMD	71	TYPE_BCM2835_MBOX);
7c62aeb8 AB	72
	73	object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
	74	OBJECT(&s->mbox_mr), &error_abort);
	75
5e9c2a8d	76	/* Framebuffer */
661488b9	77	sysbus_init_child_obj(obj, "fb", &s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
5e9c2a8d GE	78	object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
5e9c2a8d GE	79	&error_abort);
5e9c2a8d GE	80
	81	object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
	82	OBJECT(&s->gpu_bus_mr), &error_abort);
	83
7c62aeb8	84	/* Property channel */
661488b9 PMD	85	sysbus_init_child_obj(obj, "property", &s->property, sizeof(s->property),
661488b9 PMD	86	TYPE_BCM2835_PROPERTY);
f0afa731 SW	87	object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
f0afa731 SW	88	"board-rev", &error_abort);
7c62aeb8	89
355a8ccc GE	90	object_property_add_const_link(OBJECT(&s->property), "fb",
355a8ccc GE	91	OBJECT(&s->fb), &error_abort);
7c62aeb8 AB	92	object_property_add_const_link(OBJECT(&s->property), "dma-mr",
	93	OBJECT(&s->gpu_bus_mr), &error_abort);
	94
54a5ba13	95	/* Random Number Generator */
661488b9 PMD	96	sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
661488b9 PMD	97	TYPE_BCM2835_RNG);
54a5ba13	98
7c62aeb8	99	/* Extended Mass Media Controller */
661488b9 PMD	100	sysbus_init_child_obj(obj, "sdhci", &s->sdhci, sizeof(s->sdhci),
661488b9 PMD	101	TYPE_SYSBUS_SDHCI);
6717f587	102
1eeb5c7d	103	/* SDHOST */
661488b9 PMD	104	sysbus_init_child_obj(obj, "sdhost", &s->sdhost, sizeof(s->sdhost),
661488b9 PMD	105	TYPE_BCM2835_SDHOST);
1eeb5c7d	106
6717f587	107	/* DMA Channels */
661488b9 PMD	108	sysbus_init_child_obj(obj, "dma", &s->dma, sizeof(s->dma),
661488b9 PMD	109	TYPE_BCM2835_DMA);
6717f587 GE	110
	111	object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
	112	OBJECT(&s->gpu_bus_mr), &error_abort);
1eeb5c7d CD	113
1eeb5c7d CD	114	/* GPIO */
661488b9 PMD	115	sysbus_init_child_obj(obj, "gpio", &s->gpio, sizeof(s->gpio),
661488b9 PMD	116	TYPE_BCM2835_GPIO);
1eeb5c7d CD	117
	118	object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
	119	OBJECT(&s->sdhci.sdbus), &error_abort);
	120	object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
	121	OBJECT(&s->sdhost.sdbus), &error_abort);
7c62aeb8 AB	122	}
	123
	124	static void bcm2835_peripherals_realize(DeviceState dev, Error *errp)
	125	{
	126	BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
	127	Object *obj;
	128	MemoryRegion *ram;
	129	Error *err = NULL;
c5c6c47c	130	uint64_t ram_size, vcram_size;
7c62aeb8 AB	131	int n;
	132
	133	obj = object_property_get_link(OBJECT(dev), "ram", &err);
	134	if (obj == NULL) {
	135	error_setg(errp, "%s: required ram link not found: %s",
	136	__func__, error_get_pretty(err));
	137	return;
	138	}
	139
	140	ram = MEMORY_REGION(obj);
	141	ram_size = memory_region_size(ram);
	142
	143	/* Map peripherals and RAM into the GPU address space. */
	144	memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
	145	"bcm2835-peripherals", &s->peri_mr, 0,
	146	memory_region_size(&s->peri_mr));
	147
	148	memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
	149	&s->peri_mr_alias, 1);
	150
	151	/* RAM is aliased four times (different cache configurations) on the GPU */
	152	for (n = 0; n < 4; n++) {
	153	memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
	154	"bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
	155	memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
	156	&s->ram_alias[n], 0);
	157	}
	158
	159	/* Interrupt Controller */
	160	object_property_set_bool(OBJECT(&s->ic), true, "realized", &err);
	161	if (err) {
	162	error_propagate(errp, err);
	163	return;
	164	}
	165
	166	memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
	167	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
	168	sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
	169
	170	/* UART0 */
948770b0 PMD	171	qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
948770b0 PMD	172	object_property_set_bool(OBJECT(&s->uart0), true, "realized", &err);
7c62aeb8 AB	173	if (err) {
	174	error_propagate(errp, err);
	175	return;
	176	}
	177
	178	memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
948770b0 PMD	179	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
948770b0 PMD	180	sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
7c62aeb8	181	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
5cd436f9 PMD	182	INTERRUPT_UART0));
5cd436f9 PMD	183
97398d90	184	/* AUX / UART1 */
9bca0edb	185	qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
97398d90 AB	186
	187	object_property_set_bool(OBJECT(&s->aux), true, "realized", &err);
	188	if (err) {
	189	error_propagate(errp, err);
	190	return;
	191	}
	192
5cd436f9	193	memory_region_add_subregion(&s->peri_mr, AUX_OFFSET,
97398d90 AB	194	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
	195	sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
	196	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	197	INTERRUPT_AUX));
	198
7c62aeb8 AB	199	/* Mailboxes */
	200	object_property_set_bool(OBJECT(&s->mboxes), true, "realized", &err);
	201	if (err) {
	202	error_propagate(errp, err);
	203	return;
	204	}
	205
	206	memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
	207	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
	208	sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
	209	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
	210	INTERRUPT_ARM_MAILBOX));
	211
5e9c2a8d	212	/* Framebuffer */
c5c6c47c	213	vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
5e9c2a8d GE	214	if (err) {
	215	error_propagate(errp, err);
	216	return;
	217	}
	218
c5c6c47c MAL	219	object_property_set_uint(OBJECT(&s->fb), ram_size - vcram_size,
c5c6c47c MAL	220	"vcram-base", &err);
5e9c2a8d GE	221	if (err) {
	222	error_propagate(errp, err);
	223	return;
	224	}
	225
	226	object_property_set_bool(OBJECT(&s->fb), true, "realized", &err);
	227	if (err) {
	228	error_propagate(errp, err);
	229	return;
	230	}
	231
	232	memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
	233	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
	234	sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
	235	qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
	236
7c62aeb8	237	/* Property channel */
7c62aeb8 AB	238	object_property_set_bool(OBJECT(&s->property), true, "realized", &err);
	239	if (err) {
	240	error_propagate(errp, err);
	241	return;
	242	}
	243
	244	memory_region_add_subregion(&s->mbox_mr,
	245	MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
	246	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
	247	sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
	248	qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
	249
54a5ba13 MC	250	/* Random Number Generator */
	251	object_property_set_bool(OBJECT(&s->rng), true, "realized", &err);
	252	if (err) {
	253	error_propagate(errp, err);
	254	return;
	255	}
	256
	257	memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
	258	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
	259
ed6c5e93 PMD	260	/* Extended Mass Media Controller
	261	*
	262	* Compatible with:
	263	* - SD Host Controller Specification Version 3.0 Draft 1.0
	264	* - SDIO Specification Version 3.0
	265	* - MMC Specification Version 4.4
	266	*
	267	* For the exact details please refer to the Arasan documentation:
	268	* SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
	269	*/
	270	object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version", &err);
	271	object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
	272	&err);
a2a8dfa8 AB	273	object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
	274	&err);
	275	if (err) {
	276	error_propagate(errp, err);
	277	return;
	278	}
	279
7c62aeb8 AB	280	object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err);
	281	if (err) {
	282	error_propagate(errp, err);
	283	return;
	284	}
	285
5cd436f9	286	memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET,
7c62aeb8 AB	287	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
	288	sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
	289	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	290	INTERRUPT_ARASANSDIO));
1eeb5c7d CD	291
	292	/* SDHOST */
	293	object_property_set_bool(OBJECT(&s->sdhost), true, "realized", &err);
a55b53a2 AB	294	if (err) {
	295	error_propagate(errp, err);
	296	return;
	297	}
	298
1eeb5c7d CD	299	memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
	300	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
	301	sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
	302	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	303	INTERRUPT_SDIO));
	304
6717f587 GE	305	/* DMA Channels */
	306	object_property_set_bool(OBJECT(&s->dma), true, "realized", &err);
	307	if (err) {
	308	error_propagate(errp, err);
	309	return;
	310	}
	311
	312	memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
	313	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
	314	memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
	315	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
	316
	317	for (n = 0; n <= 12; n++) {
	318	sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), n,
	319	qdev_get_gpio_in_named(DEVICE(&s->ic),
	320	BCM2835_IC_GPU_IRQ,
	321	INTERRUPT_DMA0 + n));
	322	}
1eeb5c7d CD	323
	324	/* GPIO */
	325	object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
	326	if (err) {
	327	error_propagate(errp, err);
	328	return;
	329	}
	330
	331	memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
	332	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
	333
	334	object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus",
	335	&err);
	336	if (err) {
	337	error_propagate(errp, err);
	338	return;
	339	}
00cbd5bd PMD	340
	341	create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
	342	create_unimp(s, &s->systmr, "bcm2835-systimer", ST_OFFSET, 0x20);
	343	create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
	344	create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000);
	345	create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
	346	create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
	347	create_unimp(s, &s->spi[0], "bcm2835-spi0", SPI0_OFFSET, 0x20);
	348	create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
	349	create_unimp(s, &s->i2c[0], "bcm2835-i2c0", BSC0_OFFSET, 0x20);
	350	create_unimp(s, &s->i2c[1], "bcm2835-i2c1", BSC1_OFFSET, 0x20);
	351	create_unimp(s, &s->i2c[2], "bcm2835-i2c2", BSC2_OFFSET, 0x20);
	352	create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
	353	create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
	354	create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
	355	create_unimp(s, &s->dwc2, "dwc-usb2", USB_OTG_OFFSET, 0x1000);
	356	create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
7c62aeb8 AB	357	}
	358
	359	static void bcm2835_peripherals_class_init(ObjectClass oc, void data)
	360	{
	361	DeviceClass *dc = DEVICE_CLASS(oc);
	362
	363	dc->realize = bcm2835_peripherals_realize;
	364	}
	365
	366	static const TypeInfo bcm2835_peripherals_type_info = {
	367	.name = TYPE_BCM2835_PERIPHERALS,
	368	.parent = TYPE_SYS_BUS_DEVICE,
	369	.instance_size = sizeof(BCM2835PeripheralState),
	370	.instance_init = bcm2835_peripherals_init,
	371	.class_init = bcm2835_peripherals_class_init,
	372	};
	373
	374	static void bcm2835_peripherals_register_types(void)
	375	{
	376	type_register_static(&bcm2835_peripherals_type_info);
	377	}
	378
	379	type_init(bcm2835_peripherals_register_types)