[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 "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 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 */
    object_initialize(&s->ic, sizeof(s->ic), TYPE_BCM2835_IC);
    object_property_add_child(obj, "ic", OBJECT(&s->ic), NULL);
    qdev_set_parent_bus(DEVICE(&s->ic), sysbus_get_default());

    /* UART0 */
    s->uart0 = SYS_BUS_DEVICE(object_new("pl011"));
    object_property_add_child(obj, "uart0", OBJECT(s->uart0), NULL);
    qdev_set_parent_bus(DEVICE(s->uart0), sysbus_get_default());

    /* AUX / UART1 */
    object_initialize(&s->aux, sizeof(s->aux), TYPE_BCM2835_AUX);
    object_property_add_child(obj, "aux", OBJECT(&s->aux), NULL);
    qdev_set_parent_bus(DEVICE(&s->aux), sysbus_get_default());

    /* Mailboxes */
    object_initialize(&s->mboxes, sizeof(s->mboxes), TYPE_BCM2835_MBOX);
    object_property_add_child(obj, "mbox", OBJECT(&s->mboxes), NULL);
    qdev_set_parent_bus(DEVICE(&s->mboxes), sysbus_get_default());

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

    /* Framebuffer */
    object_initialize(&s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
    object_property_add_child(obj, "fb", OBJECT(&s->fb), NULL);
    object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
                              &error_abort);
    qdev_set_parent_bus(DEVICE(&s->fb), sysbus_get_default());

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

    /* Property channel */
    object_initialize(&s->property, sizeof(s->property), TYPE_BCM2835_PROPERTY);
    object_property_add_child(obj, "property", OBJECT(&s->property), NULL);
    object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
                              "board-rev", &error_abort);
    qdev_set_parent_bus(DEVICE(&s->property), sysbus_get_default());

    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 */
    object_initialize(&s->rng, sizeof(s->rng), TYPE_BCM2835_RNG);
    object_property_add_child(obj, "rng", OBJECT(&s->rng), NULL);
    qdev_set_parent_bus(DEVICE(&s->rng), sysbus_get_default());

    /* Extended Mass Media Controller */
    object_initialize(&s->sdhci, sizeof(s->sdhci), TYPE_SYSBUS_SDHCI);
    object_property_add_child(obj, "sdhci", OBJECT(&s->sdhci), NULL);
    qdev_set_parent_bus(DEVICE(&s->sdhci), sysbus_get_default());

    /* SDHOST */
    object_initialize(&s->sdhost, sizeof(s->sdhost), TYPE_BCM2835_SDHOST);
    object_property_add_child(obj, "sdhost", OBJECT(&s->sdhost), NULL);
    qdev_set_parent_bus(DEVICE(&s->sdhost), sysbus_get_default());

    /* DMA Channels */
    object_initialize(&s->dma, sizeof(s->dma), TYPE_BCM2835_DMA);
    object_property_add_child(obj, "dma", OBJECT(&s->dma), NULL);
    qdev_set_parent_bus(DEVICE(&s->dma), sysbus_get_default());

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

    /* GPIO */
    object_initialize(&s->gpio, sizeof(s->gpio), TYPE_BCM2835_GPIO);
    object_property_add_child(obj, "gpio", OBJECT(&s->gpio), NULL);
    qdev_set_parent_bus(DEVICE(&s->gpio), sysbus_get_default());

    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(s->uart0, 0));
    sysbus_connect_irq(s->uart0, 0,
        qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
                               INTERRUPT_UART));
    /* 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, UART1_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, EMMC_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;
    }
}

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"
7c62aeb8 AB	13	#include "hw/arm/bcm2835_peripherals.h"
	14	#include "hw/misc/bcm2835_mbox_defs.h"
	15	#include "hw/arm/raspi_platform.h"
f0d1d2c1	16	#include "sysemu/sysemu.h"
7c62aeb8 AB	17
	18	/* Peripheral base address on the VC (GPU) system bus */
	19	#define BCM2835_VC_PERI_BASE 0x7e000000
	20
	21	/* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
e4fcd07c	22	#define BCM2835_SDHC_CAPAREG 0x52134b4
7c62aeb8 AB	23
	24	static void bcm2835_peripherals_init(Object *obj)
	25	{
	26	BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
	27
	28	/* Memory region for peripheral devices, which we export to our parent */
	29	memory_region_init(&s->peri_mr, obj,"bcm2835-peripherals", 0x1000000);
	30	object_property_add_child(obj, "peripheral-io", OBJECT(&s->peri_mr), NULL);
	31	sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
	32
	33	/* Internal memory region for peripheral bus addresses (not exported) */
	34	memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
	35	object_property_add_child(obj, "gpu-bus", OBJECT(&s->gpu_bus_mr), NULL);
	36
	37	/* Internal memory region for request/response communication with
	38	* mailbox-addressable peripherals (not exported)
	39	*/
	40	memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
	41	MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);
	42
	43	/* Interrupt Controller */
	44	object_initialize(&s->ic, sizeof(s->ic), TYPE_BCM2835_IC);
	45	object_property_add_child(obj, "ic", OBJECT(&s->ic), NULL);
	46	qdev_set_parent_bus(DEVICE(&s->ic), sysbus_get_default());
	47
	48	/* UART0 */
	49	s->uart0 = SYS_BUS_DEVICE(object_new("pl011"));
	50	object_property_add_child(obj, "uart0", OBJECT(s->uart0), NULL);
	51	qdev_set_parent_bus(DEVICE(s->uart0), sysbus_get_default());
	52
97398d90 AB	53	/* AUX / UART1 */
	54	object_initialize(&s->aux, sizeof(s->aux), TYPE_BCM2835_AUX);
	55	object_property_add_child(obj, "aux", OBJECT(&s->aux), NULL);
	56	qdev_set_parent_bus(DEVICE(&s->aux), sysbus_get_default());
	57
7c62aeb8 AB	58	/* Mailboxes */
	59	object_initialize(&s->mboxes, sizeof(s->mboxes), TYPE_BCM2835_MBOX);
	60	object_property_add_child(obj, "mbox", OBJECT(&s->mboxes), NULL);
	61	qdev_set_parent_bus(DEVICE(&s->mboxes), sysbus_get_default());
	62
	63	object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
	64	OBJECT(&s->mbox_mr), &error_abort);
	65
5e9c2a8d GE	66	/* Framebuffer */
	67	object_initialize(&s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
	68	object_property_add_child(obj, "fb", OBJECT(&s->fb), NULL);
	69	object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
	70	&error_abort);
	71	qdev_set_parent_bus(DEVICE(&s->fb), sysbus_get_default());
	72
	73	object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
	74	OBJECT(&s->gpu_bus_mr), &error_abort);
	75
7c62aeb8 AB	76	/* Property channel */
	77	object_initialize(&s->property, sizeof(s->property), TYPE_BCM2835_PROPERTY);
	78	object_property_add_child(obj, "property", OBJECT(&s->property), NULL);
f0afa731 SW	79	object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
f0afa731 SW	80	"board-rev", &error_abort);
7c62aeb8 AB	81	qdev_set_parent_bus(DEVICE(&s->property), sysbus_get_default());
7c62aeb8 AB	82
355a8ccc GE	83	object_property_add_const_link(OBJECT(&s->property), "fb",
355a8ccc GE	84	OBJECT(&s->fb), &error_abort);
7c62aeb8 AB	85	object_property_add_const_link(OBJECT(&s->property), "dma-mr",
	86	OBJECT(&s->gpu_bus_mr), &error_abort);
	87
54a5ba13 MC	88	/* Random Number Generator */
	89	object_initialize(&s->rng, sizeof(s->rng), TYPE_BCM2835_RNG);
	90	object_property_add_child(obj, "rng", OBJECT(&s->rng), NULL);
	91	qdev_set_parent_bus(DEVICE(&s->rng), sysbus_get_default());
	92
7c62aeb8 AB	93	/* Extended Mass Media Controller */
	94	object_initialize(&s->sdhci, sizeof(s->sdhci), TYPE_SYSBUS_SDHCI);
	95	object_property_add_child(obj, "sdhci", OBJECT(&s->sdhci), NULL);
	96	qdev_set_parent_bus(DEVICE(&s->sdhci), sysbus_get_default());
6717f587	97
1eeb5c7d CD	98	/* SDHOST */
	99	object_initialize(&s->sdhost, sizeof(s->sdhost), TYPE_BCM2835_SDHOST);
	100	object_property_add_child(obj, "sdhost", OBJECT(&s->sdhost), NULL);
	101	qdev_set_parent_bus(DEVICE(&s->sdhost), sysbus_get_default());
	102
6717f587 GE	103	/* DMA Channels */
	104	object_initialize(&s->dma, sizeof(s->dma), TYPE_BCM2835_DMA);
	105	object_property_add_child(obj, "dma", OBJECT(&s->dma), NULL);
	106	qdev_set_parent_bus(DEVICE(&s->dma), sysbus_get_default());
	107
	108	object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
	109	OBJECT(&s->gpu_bus_mr), &error_abort);
1eeb5c7d CD	110
	111	/* GPIO */
	112	object_initialize(&s->gpio, sizeof(s->gpio), TYPE_BCM2835_GPIO);
	113	object_property_add_child(obj, "gpio", OBJECT(&s->gpio), NULL);
	114	qdev_set_parent_bus(DEVICE(&s->gpio), sysbus_get_default());
	115
	116	object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
	117	OBJECT(&s->sdhci.sdbus), &error_abort);
	118	object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
	119	OBJECT(&s->sdhost.sdbus), &error_abort);
7c62aeb8 AB	120	}
	121
	122	static void bcm2835_peripherals_realize(DeviceState dev, Error *errp)
	123	{
	124	BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
	125	Object *obj;
	126	MemoryRegion *ram;
	127	Error *err = NULL;
c5c6c47c	128	uint64_t ram_size, vcram_size;
7c62aeb8 AB	129	int n;
	130
	131	obj = object_property_get_link(OBJECT(dev), "ram", &err);
	132	if (obj == NULL) {
	133	error_setg(errp, "%s: required ram link not found: %s",
	134	__func__, error_get_pretty(err));
	135	return;
	136	}
	137
	138	ram = MEMORY_REGION(obj);
	139	ram_size = memory_region_size(ram);
	140
	141	/* Map peripherals and RAM into the GPU address space. */
	142	memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
	143	"bcm2835-peripherals", &s->peri_mr, 0,
	144	memory_region_size(&s->peri_mr));
	145
	146	memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
	147	&s->peri_mr_alias, 1);
	148
	149	/* RAM is aliased four times (different cache configurations) on the GPU */
	150	for (n = 0; n < 4; n++) {
	151	memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
	152	"bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
	153	memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
	154	&s->ram_alias[n], 0);
	155	}
	156
	157	/* Interrupt Controller */
	158	object_property_set_bool(OBJECT(&s->ic), true, "realized", &err);
	159	if (err) {
	160	error_propagate(errp, err);
	161	return;
	162	}
	163
	164	memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
	165	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
	166	sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
	167
	168	/* UART0 */
9bca0edb	169	qdev_prop_set_chr(DEVICE(s->uart0), "chardev", serial_hd(0));
7c62aeb8 AB	170	object_property_set_bool(OBJECT(s->uart0), true, "realized", &err);
	171	if (err) {
	172	error_propagate(errp, err);
	173	return;
	174	}
	175
	176	memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
	177	sysbus_mmio_get_region(s->uart0, 0));
	178	sysbus_connect_irq(s->uart0, 0,
	179	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	180	INTERRUPT_UART));
97398d90	181	/* AUX / UART1 */
9bca0edb	182	qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
97398d90 AB	183
	184	object_property_set_bool(OBJECT(&s->aux), true, "realized", &err);
	185	if (err) {
	186	error_propagate(errp, err);
	187	return;
	188	}
	189
	190	memory_region_add_subregion(&s->peri_mr, UART1_OFFSET,
	191	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
	192	sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
	193	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	194	INTERRUPT_AUX));
	195
7c62aeb8 AB	196	/* Mailboxes */
	197	object_property_set_bool(OBJECT(&s->mboxes), true, "realized", &err);
	198	if (err) {
	199	error_propagate(errp, err);
	200	return;
	201	}
	202
	203	memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
	204	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
	205	sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
	206	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
	207	INTERRUPT_ARM_MAILBOX));
	208
5e9c2a8d	209	/* Framebuffer */
c5c6c47c	210	vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
5e9c2a8d GE	211	if (err) {
	212	error_propagate(errp, err);
	213	return;
	214	}
	215
c5c6c47c MAL	216	object_property_set_uint(OBJECT(&s->fb), ram_size - vcram_size,
c5c6c47c MAL	217	"vcram-base", &err);
5e9c2a8d GE	218	if (err) {
	219	error_propagate(errp, err);
	220	return;
	221	}
	222
	223	object_property_set_bool(OBJECT(&s->fb), true, "realized", &err);
	224	if (err) {
	225	error_propagate(errp, err);
	226	return;
	227	}
	228
	229	memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
	230	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
	231	sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
	232	qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
	233
7c62aeb8	234	/* Property channel */
7c62aeb8 AB	235	object_property_set_bool(OBJECT(&s->property), true, "realized", &err);
	236	if (err) {
	237	error_propagate(errp, err);
	238	return;
	239	}
	240
	241	memory_region_add_subregion(&s->mbox_mr,
	242	MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
	243	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
	244	sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
	245	qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
	246
54a5ba13 MC	247	/* Random Number Generator */
	248	object_property_set_bool(OBJECT(&s->rng), true, "realized", &err);
	249	if (err) {
	250	error_propagate(errp, err);
	251	return;
	252	}
	253
	254	memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
	255	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
	256
ed6c5e93 PMD	257	/* Extended Mass Media Controller
	258	*
	259	* Compatible with:
	260	* - SD Host Controller Specification Version 3.0 Draft 1.0
	261	* - SDIO Specification Version 3.0
	262	* - MMC Specification Version 4.4
	263	*
	264	* For the exact details please refer to the Arasan documentation:
	265	* SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
	266	*/
	267	object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version", &err);
	268	object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
	269	&err);
a2a8dfa8 AB	270	object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
	271	&err);
	272	if (err) {
	273	error_propagate(errp, err);
	274	return;
	275	}
	276
7c62aeb8 AB	277	object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err);
	278	if (err) {
	279	error_propagate(errp, err);
	280	return;
	281	}
	282
	283	memory_region_add_subregion(&s->peri_mr, EMMC_OFFSET,
	284	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
	285	sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
	286	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	287	INTERRUPT_ARASANSDIO));
1eeb5c7d CD	288
	289	/* SDHOST */
	290	object_property_set_bool(OBJECT(&s->sdhost), true, "realized", &err);
a55b53a2 AB	291	if (err) {
	292	error_propagate(errp, err);
	293	return;
	294	}
	295
1eeb5c7d CD	296	memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
	297	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
	298	sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
	299	qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
	300	INTERRUPT_SDIO));
	301
6717f587 GE	302	/* DMA Channels */
	303	object_property_set_bool(OBJECT(&s->dma), true, "realized", &err);
	304	if (err) {
	305	error_propagate(errp, err);
	306	return;
	307	}
	308
	309	memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
	310	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
	311	memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
	312	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
	313
	314	for (n = 0; n <= 12; n++) {
	315	sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), n,
	316	qdev_get_gpio_in_named(DEVICE(&s->ic),
	317	BCM2835_IC_GPU_IRQ,
	318	INTERRUPT_DMA0 + n));
	319	}
1eeb5c7d CD	320
	321	/* GPIO */
	322	object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
	323	if (err) {
	324	error_propagate(errp, err);
	325	return;
	326	}
	327
	328	memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
	329	sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
	330
	331	object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus",
	332	&err);
	333	if (err) {
	334	error_propagate(errp, err);
	335	return;
	336	}
7c62aeb8 AB	337	}
	338
	339	static void bcm2835_peripherals_class_init(ObjectClass oc, void data)
	340	{
	341	DeviceClass *dc = DEVICE_CLASS(oc);
	342
	343	dc->realize = bcm2835_peripherals_realize;
	344	}
	345
	346	static const TypeInfo bcm2835_peripherals_type_info = {
	347	.name = TYPE_BCM2835_PERIPHERALS,
	348	.parent = TYPE_SYS_BUS_DEVICE,
	349	.instance_size = sizeof(BCM2835PeripheralState),
	350	.instance_init = bcm2835_peripherals_init,
	351	.class_init = bcm2835_peripherals_class_init,
	352	};
	353
	354	static void bcm2835_peripherals_register_types(void)
	355	{
	356	type_register_static(&bcm2835_peripherals_type_info);
	357	}
	358
	359	type_init(bcm2835_peripherals_register_types)