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>
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@ -22,6 +22,20 @@
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/* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
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#define BCM2835_SDHC_CAPAREG 0x52134b4
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static void create_unimp(BCM2835PeripheralState *ps,
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UnimplementedDeviceState *uds,
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const char *name, hwaddr ofs, hwaddr size)
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{
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sysbus_init_child_obj(OBJECT(ps), name, uds,
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sizeof(UnimplementedDeviceState),
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TYPE_UNIMPLEMENTED_DEVICE);
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qdev_prop_set_string(DEVICE(uds), "name", name);
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qdev_prop_set_uint64(DEVICE(uds), "size", size);
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object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal);
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memory_region_add_subregion_overlap(&ps->peri_mr, ofs,
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sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000);
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}
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static void bcm2835_peripherals_init(Object *obj)
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{
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BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
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@ -323,6 +337,23 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
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error_propagate(errp, err);
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return;
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}
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create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
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create_unimp(s, &s->systmr, "bcm2835-systimer", ST_OFFSET, 0x20);
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create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
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create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000);
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create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
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create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
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create_unimp(s, &s->spi[0], "bcm2835-spi0", SPI0_OFFSET, 0x20);
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create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
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create_unimp(s, &s->i2c[0], "bcm2835-i2c0", BSC0_OFFSET, 0x20);
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create_unimp(s, &s->i2c[1], "bcm2835-i2c1", BSC1_OFFSET, 0x20);
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create_unimp(s, &s->i2c[2], "bcm2835-i2c2", BSC2_OFFSET, 0x20);
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create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
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create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
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create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
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create_unimp(s, &s->dwc2, "dwc-usb2", USB_OTG_OFFSET, 0x1000);
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create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
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}
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static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
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@ -23,6 +23,7 @@
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#include "hw/sd/sdhci.h"
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#include "hw/sd/bcm2835_sdhost.h"
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#include "hw/gpio/bcm2835_gpio.h"
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#include "hw/misc/unimp.h"
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#define TYPE_BCM2835_PERIPHERALS "bcm2835-peripherals"
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#define BCM2835_PERIPHERALS(obj) \
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@ -37,6 +38,10 @@ typedef struct BCM2835PeripheralState {
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MemoryRegion ram_alias[4];
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qemu_irq irq, fiq;
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UnimplementedDeviceState systmr;
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UnimplementedDeviceState armtmr;
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UnimplementedDeviceState cprman;
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UnimplementedDeviceState a2w;
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PL011State uart0;
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BCM2835AuxState aux;
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BCM2835FBState fb;
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@ -48,6 +53,16 @@ typedef struct BCM2835PeripheralState {
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SDHCIState sdhci;
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BCM2835SDHostState sdhost;
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BCM2835GpioState gpio;
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UnimplementedDeviceState i2s;
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UnimplementedDeviceState spi[1];
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UnimplementedDeviceState i2c[3];
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UnimplementedDeviceState otp;
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UnimplementedDeviceState dbus;
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UnimplementedDeviceState ave0;
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UnimplementedDeviceState bscsl;
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UnimplementedDeviceState smi;
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UnimplementedDeviceState dwc2;
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UnimplementedDeviceState sdramc;
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} BCM2835PeripheralState;
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#endif /* BCM2835_PERIPHERALS_H */
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@ -38,6 +38,8 @@
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* Doorbells & Mailboxes */
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#define CPRMAN_OFFSET 0x100000 /* Power Management, Watchdog */
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#define CM_OFFSET 0x101000 /* Clock Management */
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#define A2W_OFFSET 0x102000 /* Reset controller */
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#define AVS_OFFSET 0x103000 /* Audio Video Standard */
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#define RNG_OFFSET 0x104000
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#define GPIO_OFFSET 0x200000
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#define UART0_OFFSET 0x201000
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@ -45,11 +47,17 @@
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#define I2S_OFFSET 0x203000
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#define SPI0_OFFSET 0x204000
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#define BSC0_OFFSET 0x205000 /* BSC0 I2C/TWI */
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#define OTP_OFFSET 0x20f000
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#define BSC_SL_OFFSET 0x214000 /* SPI slave */
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#define AUX_OFFSET 0x215000 /* AUX: UART1/SPI1/SPI2 */
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#define EMMC1_OFFSET 0x300000
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#define SMI_OFFSET 0x600000
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#define BSC1_OFFSET 0x804000 /* BSC1 I2C/TWI */
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#define BSC2_OFFSET 0x805000 /* BSC2 I2C/TWI */
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#define DBUS_OFFSET 0x900000
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#define AVE0_OFFSET 0x910000
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#define USB_OTG_OFFSET 0x980000 /* DTC_OTG USB controller */
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#define SDRAMC_OFFSET 0xe00000
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#define DMA15_OFFSET 0xE05000 /* DMA controller, channel 15 */
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/* GPU interrupts */
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