Commit 3341d1cb37 for qemu.org
commit 3341d1cb3786b4b60fc47fab4a4f647a7b636e76
Author: Strahinja Jankovic <strahinjapjankovic@gmail.com>
Date: Mon Oct 14 17:05:52 2024 +0100
hw/arm: Add SPI to Allwinner A10
The Allwinner A10 SPI controller is added to the Allwinner A10
description, so it is available when Cubieboard is emulated.
Update the documentation for Cubieboard to indicate SPI availability.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Message-id: 20241001221349.8319-3-strahinja.p.jankovic@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/docs/system/arm/cubieboard.rst b/docs/system/arm/cubieboard.rst
index 58c4a2d3ea..90d24c73a1 100644
--- a/docs/system/arm/cubieboard.rst
+++ b/docs/system/arm/cubieboard.rst
@@ -15,4 +15,5 @@ Emulated devices:
- USB controller
- SATA controller
- TWI (I2C) controller
+- SPI controller
- Watchdog timer
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index f1e981622a..0d658ead09 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -328,6 +328,7 @@ config ALLWINNER_A10
select ALLWINNER_WDT
select ALLWINNER_EMAC
select ALLWINNER_I2C
+ select ALLWINNER_A10_SPI
select AXP2XX_PMU
select SERIAL_MM
select UNIMP
diff --git a/hw/arm/allwinner-a10.c b/hw/arm/allwinner-a10.c
index 08cdff61e4..9eb1aa7366 100644
--- a/hw/arm/allwinner-a10.c
+++ b/hw/arm/allwinner-a10.c
@@ -35,6 +35,7 @@
#define AW_A10_PIC_REG_BASE 0x01c20400
#define AW_A10_PIT_REG_BASE 0x01c20c00
#define AW_A10_UART0_REG_BASE 0x01c28000
+#define AW_A10_SPI0_BASE 0x01c05000
#define AW_A10_EMAC_BASE 0x01c0b000
#define AW_A10_EHCI_BASE 0x01c14000
#define AW_A10_OHCI_BASE 0x01c14400
@@ -80,6 +81,8 @@ static void aw_a10_init(Object *obj)
object_initialize_child(obj, "i2c0", &s->i2c0, TYPE_AW_I2C);
+ object_initialize_child(obj, "spi0", &s->spi0, TYPE_AW_A10_SPI);
+
for (size_t i = 0; i < AW_A10_NUM_USB; i++) {
object_initialize_child(obj, "ehci[*]", &s->ehci[i],
TYPE_PLATFORM_EHCI);
@@ -195,6 +198,11 @@ static void aw_a10_realize(DeviceState *dev, Error **errp)
sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c0), 0, AW_A10_I2C0_BASE);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c0), 0, qdev_get_gpio_in(dev, 7));
+ /* SPI */
+ sysbus_realize(SYS_BUS_DEVICE(&s->spi0), &error_fatal);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi0), 0, AW_A10_SPI0_BASE);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi0), 0, qdev_get_gpio_in(dev, 10));
+
/* WDT */
sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_fatal);
sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->wdt), 0, AW_A10_WDT_BASE, 1);
diff --git a/include/hw/arm/allwinner-a10.h b/include/hw/arm/allwinner-a10.h
index 67a9a17b86..e5815b0d12 100644
--- a/include/hw/arm/allwinner-a10.h
+++ b/include/hw/arm/allwinner-a10.h
@@ -12,6 +12,7 @@
#include "hw/misc/allwinner-a10-ccm.h"
#include "hw/misc/allwinner-a10-dramc.h"
#include "hw/i2c/allwinner-i2c.h"
+#include "hw/ssi/allwinner-a10-spi.h"
#include "hw/watchdog/allwinner-wdt.h"
#include "sysemu/block-backend.h"
@@ -40,6 +41,7 @@ struct AwA10State {
AllwinnerAHCIState sata;
AwSdHostState mmc0;
AWI2CState i2c0;
+ AWA10SPIState spi0;
AwRtcState rtc;
AwWdtState wdt;
MemoryRegion sram_a;