[Qemu-devel] [PULL 07/27] STM32F205: Connect the SPI devices

[Peter Maydell <peter.maydell@linaro.org>]

From: Alistair Francis <alistair23@gmail.com>

Connect the SPI devices to the STM32F205 SoC.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: d05849120420f8db0d9aa053bd23134c33cd9180.1474742262.git.alistair@alistair23.me
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/stm32f205_soc.c         | 22 ++++++++++++++++++++++
 include/hw/arm/stm32f205_soc.h |  3 +++
 2 files changed, 25 insertions(+)

diff --git a/hw/arm/stm32f205_soc.c b/hw/arm/stm32f205_soc.c
index 2feddc3..38425bd 100644
--- a/hw/arm/stm32f205_soc.c
+++ b/hw/arm/stm32f205_soc.c
@@ -36,10 +36,13 @@ static const uint32_t usart_addr[STM_NUM_USARTS] = { 0x40011000, 0x40004400,
     0x40004800, 0x40004C00, 0x40005000, 0x40011400 };
 static const uint32_t adc_addr[STM_NUM_ADCS] = { 0x40012000, 0x40012100,
     0x40012200 };
+static const uint32_t spi_addr[STM_NUM_SPIS] = { 0x40013000, 0x40003800,
+    0x40003C00 };
 
 static const int timer_irq[STM_NUM_TIMERS] = {28, 29, 30, 50};
 static const int usart_irq[STM_NUM_USARTS] = {37, 38, 39, 52, 53, 71};
 #define ADC_IRQ 18
+static const int spi_irq[STM_NUM_SPIS] = {35, 36, 51};
 
 static void stm32f205_soc_initfn(Object *obj)
 {
@@ -68,6 +71,12 @@ static void stm32f205_soc_initfn(Object *obj)
                           TYPE_STM32F2XX_ADC);
         qdev_set_parent_bus(DEVICE(&s->adc[i]), sysbus_get_default());
     }
+
+    for (i = 0; i < STM_NUM_SPIS; i++) {
+        object_initialize(&s->spi[i], sizeof(s->spi[i]),
+                          TYPE_STM32F2XX_SPI);
+        qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
+    }
 }
 
 static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp)
@@ -167,6 +176,19 @@ static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp)
         sysbus_connect_irq(busdev, 0,
                            qdev_get_gpio_in(DEVICE(s->adc_irqs), i));
     }
+
+    /* SPI 1 and 2 */
+    for (i = 0; i < STM_NUM_SPIS; i++) {
+        dev = DEVICE(&(s->spi[i]));
+        object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
+        if (err != NULL) {
+            error_propagate(errp, err);
+            return;
+        }
+        busdev = SYS_BUS_DEVICE(dev);
+        sysbus_mmio_map(busdev, 0, spi_addr[i]);
+        sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(nvic, spi_irq[i]));
+    }
 }
 
 static Property stm32f205_soc_properties[] = {
diff --git a/include/hw/arm/stm32f205_soc.h b/include/hw/arm/stm32f205_soc.h
index 1adf824..1332141 100644
--- a/include/hw/arm/stm32f205_soc.h
+++ b/include/hw/arm/stm32f205_soc.h
@@ -30,6 +30,7 @@
 #include "hw/char/stm32f2xx_usart.h"
 #include "hw/adc/stm32f2xx_adc.h"
 #include "hw/or-irq.h"
+#include "hw/ssi/stm32f2xx_spi.h"
 
 #define TYPE_STM32F205_SOC "stm32f205-soc"
 #define STM32F205_SOC(obj) \
@@ -38,6 +39,7 @@
 #define STM_NUM_USARTS 6
 #define STM_NUM_TIMERS 4
 #define STM_NUM_ADCS 3
+#define STM_NUM_SPIS 3
 
 #define FLASH_BASE_ADDRESS 0x08000000
 #define FLASH_SIZE (1024 * 1024)
@@ -56,6 +58,7 @@ typedef struct STM32F205State {
     STM32F2XXUsartState usart[STM_NUM_USARTS];
     STM32F2XXTimerState timer[STM_NUM_TIMERS];
     STM32F2XXADCState adc[STM_NUM_ADCS];
+    STM32F2XXSPIState spi[STM_NUM_SPIS];
 
     qemu_or_irq *adc_irqs;
 } STM32F205State;
-- 
2.7.4