hw/arm/fsl-imx8mp: Add SPI controllers

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250223114708.1780-12-shentey@gmail.com
[PMM: drop static const from spi_table for GCC 7.5]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

docs/system/arm/imx8mp-evk.rst

@@ -16,6 +16,7 @@ The ``imx8mp-evk`` machine implements the following devices:
  * 1 Designware PCI Express Controller
  * 5 GPIO Controllers
  * 6 I2C Controllers
+ * 3 SPI Controllers
  * Secure Non-Volatile Storage (SNVS) including an RTC
  * Clock Tree
 

hw/arm/fsl-imx8mp.c

@@ -223,6 +223,11 @@ static void fsl_imx8mp_init(Object *obj)
         object_initialize_child(obj, name, &s->usdhc[i], TYPE_IMX_USDHC);
     }
 
+    for (i = 0; i < FSL_IMX8MP_NUM_ECSPIS; i++) {
+        g_autofree char *name = g_strdup_printf("spi%d", i + 1);
+        object_initialize_child(obj, name, &s->spi[i], TYPE_IMX_SPI);
+    }
+
     object_initialize_child(obj, "pcie", &s->pcie, TYPE_DESIGNWARE_PCIE_HOST);
     object_initialize_child(obj, "pcie_phy", &s->pcie_phy,
                             TYPE_FSL_IMX8M_PCIE_PHY);
@@ -459,6 +464,26 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
                            qdev_get_gpio_in(gicdev, usdhc_table[i].irq));
     }
 
+    /* ECSPIs */
+    for (i = 0; i < FSL_IMX8MP_NUM_ECSPIS; i++) {
+        struct {
+            hwaddr addr;
+            unsigned int irq;
+        } spi_table[FSL_IMX8MP_NUM_ECSPIS] = {
+            { fsl_imx8mp_memmap[FSL_IMX8MP_ECSPI1].addr, FSL_IMX8MP_ECSPI1_IRQ },
+            { fsl_imx8mp_memmap[FSL_IMX8MP_ECSPI2].addr, FSL_IMX8MP_ECSPI2_IRQ },
+            { fsl_imx8mp_memmap[FSL_IMX8MP_ECSPI3].addr, FSL_IMX8MP_ECSPI3_IRQ },
+        };
+
+        if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
+            return;
+        }
+
+        sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_table[i].addr);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
+                           qdev_get_gpio_in(gicdev, spi_table[i].irq));
+    }
+
     /* SNVS */
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->snvs), errp)) {
         return;
@@ -498,6 +523,7 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
         case FSL_IMX8MP_GIC_DIST:
         case FSL_IMX8MP_GIC_REDIST:
         case FSL_IMX8MP_GPIO1 ... FSL_IMX8MP_GPIO5:
+        case FSL_IMX8MP_ECSPI1 ... FSL_IMX8MP_ECSPI3:
         case FSL_IMX8MP_I2C1 ... FSL_IMX8MP_I2C6:
         case FSL_IMX8MP_PCIE1:
         case FSL_IMX8MP_PCIE_PHY1:

include/hw/arm/fsl-imx8mp.h

@@ -20,6 +20,7 @@
 #include "hw/pci-host/designware.h"
 #include "hw/pci-host/fsl_imx8m_phy.h"
 #include "hw/sd/sdhci.h"
+#include "hw/ssi/imx_spi.h"
 #include "qom/object.h"
 #include "qemu/units.h"
 
@@ -31,6 +32,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(FslImx8mpState, FSL_IMX8MP)
 
 enum FslImx8mpConfiguration {
     FSL_IMX8MP_NUM_CPUS         = 4,
+    FSL_IMX8MP_NUM_ECSPIS       = 3,
     FSL_IMX8MP_NUM_GPIOS        = 5,
     FSL_IMX8MP_NUM_I2CS         = 6,
     FSL_IMX8MP_NUM_IRQS         = 160,
@@ -47,6 +49,7 @@ struct FslImx8mpState {
     IMX8MPCCMState     ccm;
     IMX8MPAnalogState  analog;
     IMX7SNVSState      snvs;
+    IMXSPIState        spi[FSL_IMX8MP_NUM_ECSPIS];
     IMXI2CState        i2c[FSL_IMX8MP_NUM_I2CS];
     IMXSerialState     uart[FSL_IMX8MP_NUM_UARTS];
     SDHCIState         usdhc[FSL_IMX8MP_NUM_USDHCS];
@@ -208,6 +211,11 @@ enum FslImx8mpIrqs {
     FSL_IMX8MP_UART5_IRQ    = 30,
     FSL_IMX8MP_UART6_IRQ    = 16,
 
+    FSL_IMX8MP_ECSPI1_IRQ   = 31,
+    FSL_IMX8MP_ECSPI2_IRQ   = 32,
+    FSL_IMX8MP_ECSPI3_IRQ   = 33,
+    FSL_IMX8MP_ECSPI4_IRQ   = 34,
+
     FSL_IMX8MP_I2C1_IRQ     = 35,
     FSL_IMX8MP_I2C2_IRQ     = 36,
     FSL_IMX8MP_I2C3_IRQ     = 37,