Commit 00cbd5bd authored by Philippe Mathieu-Daudé's avatar Philippe Mathieu-Daudé Committed by Peter Maydell
Browse files

hw/arm/bcm2835: Add various unimplemented peripherals 

Base addresses and sizes taken from the "BCM2835 ARM Peripherals"
datasheet from February 06 2012:
https://www.raspberrypi.org/app/uploads/2012/02/BCM2835-ARM-Peripherals.pdf



Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Message-id: 20190926173428.10713-6-f4bug@amsat.org
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 5cd436f9

hw/arm/bcm2835_peripherals.c

+31 −0
Original line number Diff line number Diff line
@@ -22,6 +22,20 @@ 
/* 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);
@@ -323,6 +337,23 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp) 
        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)

include/hw/arm/bcm2835_peripherals.h

+15 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include "hw/sd/sdhci.h"

#include "hw/sd/bcm2835_sdhost.h"

#include "hw/gpio/bcm2835_gpio.h"

#include "hw/misc/unimp.h"



#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"

#define BCM2835_PERIPHERALS(obj) \
@@ -37,6 +38,10 @@ typedef struct BCM2835PeripheralState { 
    MemoryRegion ram_alias[4];

    qemu_irq irq, fiq;



    UnimplementedDeviceState systmr;

    UnimplementedDeviceState armtmr;

    UnimplementedDeviceState cprman;

    UnimplementedDeviceState a2w;

    PL011State uart0;

    BCM2835AuxState aux;

    BCM2835FBState fb;
@@ -48,6 +53,16 @@ typedef struct BCM2835PeripheralState { 
    SDHCIState sdhci;

    BCM2835SDHostState sdhost;

    BCM2835GpioState gpio;

    UnimplementedDeviceState i2s;

    UnimplementedDeviceState spi[1];

    UnimplementedDeviceState i2c[3];

    UnimplementedDeviceState otp;

    UnimplementedDeviceState dbus;

    UnimplementedDeviceState ave0;

    UnimplementedDeviceState bscsl;

    UnimplementedDeviceState smi;

    UnimplementedDeviceState dwc2;

    UnimplementedDeviceState sdramc;

} BCM2835PeripheralState;



#endif /* BCM2835_PERIPHERALS_H */

include/hw/arm/raspi_platform.h

+8 −0
Original line number Diff line number Diff line
@@ -38,6 +38,8 @@ 
                                                      * Doorbells & Mailboxes */

#define CPRMAN_OFFSET           0x100000 /* Power Management, Watchdog */

#define CM_OFFSET               0x101000 /* Clock Management */

#define A2W_OFFSET              0x102000 /* Reset controller */

#define AVS_OFFSET              0x103000 /* Audio Video Standard */

#define RNG_OFFSET              0x104000

#define GPIO_OFFSET             0x200000

#define UART0_OFFSET            0x201000
@@ -45,11 +47,17 @@ 
#define I2S_OFFSET              0x203000

#define SPI0_OFFSET             0x204000

#define BSC0_OFFSET             0x205000 /* BSC0 I2C/TWI */

#define OTP_OFFSET              0x20f000

#define BSC_SL_OFFSET           0x214000 /* SPI slave */

#define AUX_OFFSET              0x215000 /* AUX: UART1/SPI1/SPI2 */

#define EMMC1_OFFSET            0x300000

#define SMI_OFFSET              0x600000

#define BSC1_OFFSET             0x804000 /* BSC1 I2C/TWI */

#define BSC2_OFFSET             0x805000 /* BSC2 I2C/TWI */

#define DBUS_OFFSET             0x900000

#define AVE0_OFFSET             0x910000

#define USB_OTG_OFFSET          0x980000 /* DTC_OTG USB controller */

#define SDRAMC_OFFSET           0xe00000

#define DMA15_OFFSET            0xE05000 /* DMA controller, channel 15 */



/* GPU interrupts */