[PATCH v3 3/3] hw/arm: Attach PSPI module to NPCM7XX SoC

[Hao Wu]

Signed-off-by: Hao Wu <wuhao...@google.com>
Reviewed-by: Titus Rwantare <tit...@google.com>
Reviewed-by: Philippe Mathieu-Daude <phi...@linaro.org>
---
 docs/system/arm/nuvoton.rst |  2 +-
 hw/arm/npcm7xx.c            | 25 +++++++++++++++++++++++--
 include/hw/arm/npcm7xx.h    |  2 ++
 3 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/docs/system/arm/nuvoton.rst b/docs/system/arm/nuvoton.rst
index c38df32bde..0424cae4b0 100644
--- a/docs/system/arm/nuvoton.rst
+++ b/docs/system/arm/nuvoton.rst
@@ -49,6 +49,7 @@ Supported devices
  * SMBus controller (SMBF)
  * Ethernet controller (EMC)
  * Tachometer
+ * Peripheral SPI controller (PSPI)
 
 Missing devices
 ---------------
@@ -64,7 +65,6 @@ Missing devices
 
  * Ethernet controller (GMAC)
  * USB device (USBD)
- * Peripheral SPI controller (PSPI)
  * SD/MMC host
  * PECI interface
  * PCI and PCIe root complex and bridges
diff --git a/hw/arm/npcm7xx.c b/hw/arm/npcm7xx.c
index d85cc02765..15ff21d047 100644
--- a/hw/arm/npcm7xx.c
+++ b/hw/arm/npcm7xx.c
@@ -86,6 +86,8 @@ enum NPCM7xxInterrupt {
     NPCM7XX_EMC1RX_IRQ          = 15,
     NPCM7XX_EMC1TX_IRQ,
     NPCM7XX_MMC_IRQ             = 26,
+    NPCM7XX_PSPI2_IRQ           = 28,
+    NPCM7XX_PSPI1_IRQ           = 31,
     NPCM7XX_TIMER0_IRQ          = 32,   /* Timer Module 0 */
     NPCM7XX_TIMER1_IRQ,
     NPCM7XX_TIMER2_IRQ,
@@ -220,6 +222,12 @@ static const hwaddr npcm7xx_emc_addr[] = {
     0xf0826000,
 };
 
+/* Register base address for each PSPI Module */
+static const hwaddr npcm7xx_pspi_addr[] = {
+    0xf0200000,
+    0xf0201000,
+};
+
 static const struct {
     hwaddr regs_addr;
     uint32_t unconnected_pins;
@@ -444,6 +452,10 @@ static void npcm7xx_init(Object *obj)
         object_initialize_child(obj, "emc[*]", &s->emc[i], TYPE_NPCM7XX_EMC);
     }
 
+    for (i = 0; i < ARRAY_SIZE(s->pspi); i++) {
+        object_initialize_child(obj, "pspi[*]", &s->pspi[i], TYPE_NPCM_PSPI);
+    }
+
     object_initialize_child(obj, "mmc", &s->mmc, TYPE_NPCM7XX_SDHCI);
 }
 
@@ -715,6 +727,17 @@ static void npcm7xx_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc), 0,
             npcm7xx_irq(s, NPCM7XX_MMC_IRQ));
 
+    /* PSPI */
+    QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pspi_addr) != ARRAY_SIZE(s->pspi));
+    for (i = 0; i < ARRAY_SIZE(s->pspi); i++) {
+        SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pspi[i]);
+        int irq = (i == 0) ? NPCM7XX_PSPI1_IRQ : NPCM7XX_PSPI2_IRQ;
+
+        sysbus_realize(sbd, &error_abort);
+        sysbus_mmio_map(sbd, 0, npcm7xx_pspi_addr[i]);
+        sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, irq));
+    }
+
     create_unimplemented_device("npcm7xx.shm",          0xc0001000,   4 * KiB);
     create_unimplemented_device("npcm7xx.vdmx",         0xe0800000,   4 * KiB);
     create_unimplemented_device("npcm7xx.pcierc",       0xe1000000,  64 * KiB);
@@ -724,8 +747,6 @@ static void npcm7xx_realize(DeviceState *dev, Error **errp)
     create_unimplemented_device("npcm7xx.peci",         0xf0100000,   4 * KiB);
     create_unimplemented_device("npcm7xx.siox[1]",      0xf0101000,   4 * KiB);
     create_unimplemented_device("npcm7xx.siox[2]",      0xf0102000,   4 * KiB);
-    create_unimplemented_device("npcm7xx.pspi1",        0xf0200000,   4 * KiB);
-    create_unimplemented_device("npcm7xx.pspi2",        0xf0201000,   4 * KiB);
     create_unimplemented_device("npcm7xx.ahbpci",       0xf0400000,   1 * MiB);
     create_unimplemented_device("npcm7xx.mcphy",        0xf05f0000,  64 * KiB);
     create_unimplemented_device("npcm7xx.gmac1",        0xf0802000,   8 * KiB);
diff --git a/include/hw/arm/npcm7xx.h b/include/hw/arm/npcm7xx.h
index f1b7e4a48d..72c7722096 100644
--- a/include/hw/arm/npcm7xx.h
+++ b/include/hw/arm/npcm7xx.h
@@ -32,6 +32,7 @@
 #include "hw/nvram/npcm7xx_otp.h"
 #include "hw/timer/npcm7xx_timer.h"
 #include "hw/ssi/npcm7xx_fiu.h"
+#include "hw/ssi/npcm_pspi.h"
 #include "hw/usb/hcd-ehci.h"
 #include "hw/usb/hcd-ohci.h"
 #include "target/arm/cpu.h"
@@ -104,6 +105,7 @@ struct NPCM7xxState {
     NPCM7xxFIUState     fiu[2];
     NPCM7xxEMCState     emc[2];
     NPCM7xxSDHCIState   mmc;
+    NPCMPSPIState       pspi[2];
 };
 
 #define TYPE_NPCM7XX    "npcm7xx"
-- 
2.39.1.519.gcb327c4b5f-goog