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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: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20190926173428.10713-6-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2019-09-26 19:34:13 +02:00 committed by Peter Maydell
parent 5cd436f950
commit 00cbd5bd74
3 changed files with 54 additions and 0 deletions
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31
hw/arm/bcm2835_peripherals.c
View File

@ -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)

15
include/hw/arm/bcm2835_peripherals.h
View File

@ -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 */

8
include/hw/arm/raspi_platform.h
View File

@ -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 */