[PATCH 7/7] hw/arm: Add PCIERC to NPCM7xx SoC

[Yubin Zou <yubinz@google.com>]

From: Hao Wu <wuhaotsh@google.com>

GitWatcher: ignore
Google-Bug-Id: 262946103
Google-Bug-Id: 240169286
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Change-Id: I77ce849af30e999ec26aeab62b7db437db28c012
---
 hw/arm/Kconfig           |  1 +
 hw/arm/npcm7xx.c         | 10 ++++++++++
 include/hw/arm/npcm7xx.h |  4 +++-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 6ac38d083e4a01e09fc00e63df66046c7c17b356..a3f2041db7920c134a2d9d79ed4836bd35507d7b 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -487,6 +487,7 @@ config NPCM7XX
     select UNIMP
     select PCA954X
     select USB_OHCI_SYSBUS
+    select NPCM_PCIERC
 
 config NPCM8XX
     bool
diff --git a/hw/arm/npcm7xx.c b/hw/arm/npcm7xx.c
index ecfae328a96a49c82beaa53a5d803469c8f02d91..118470af0694718520b7c3828d3a09ecfafb31ec 100644
--- a/hw/arm/npcm7xx.c
+++ b/hw/arm/npcm7xx.c
@@ -47,6 +47,8 @@
 #define NPCM7XX_CLK_BA          (0xf0801000)
 #define NPCM7XX_MC_BA           (0xf0824000)
 #define NPCM7XX_RNG_BA          (0xf000b000)
+#define NPCM7XX_PCIERC_BA       (0xe1000000)
+#define NPCM7XX_PCIE_ROOT_BA    (0xe8000000)
 
 /* USB Host modules */
 #define NPCM7XX_EHCI_BA         (0xf0806000)
@@ -148,6 +150,7 @@ enum NPCM7xxInterrupt {
     NPCM7XX_GPIO5_IRQ,
     NPCM7XX_GPIO6_IRQ,
     NPCM7XX_GPIO7_IRQ,
+    NPCM7XX_PCIE_RC_IRQ         = 127,
 };
 
 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
@@ -475,6 +478,7 @@ static void npcm7xx_init(Object *obj)
     }
 
     object_initialize_child(obj, "mmc", &s->mmc, TYPE_NPCM7XX_SDHCI);
+    object_initialize_child(obj, "pcierc", &s->pcierc, TYPE_NPCM_PCIERC);
 }
 
 static void npcm7xx_realize(DeviceState *dev, Error **errp)
@@ -781,6 +785,12 @@ static void npcm7xx_realize(DeviceState *dev, Error **errp)
         sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, irq));
     }
 
+    /* PCIe RC */
+    sysbus_realize(SYS_BUS_DEVICE(&s->pcierc), &error_abort);
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->pcierc), 0, NPCM7XX_PCIERC_BA);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->pcierc), 0,
+                       npcm7xx_irq(s, NPCM7XX_PCIE_RC_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);
diff --git a/include/hw/arm/npcm7xx.h b/include/hw/arm/npcm7xx.h
index 56536565b748c5fb2f415d85df36bc01cb64dc54..661d4050154a36dc2b90e96915ae59971a8c4a7a 100644
--- a/include/hw/arm/npcm7xx.h
+++ b/include/hw/arm/npcm7xx.h
@@ -31,6 +31,7 @@
 #include "hw/net/npcm7xx_emc.h"
 #include "hw/net/npcm_gmac.h"
 #include "hw/nvram/npcm7xx_otp.h"
+#include "hw/pci-host/npcm_pcierc.h"
 #include "hw/timer/npcm7xx_timer.h"
 #include "hw/ssi/npcm7xx_fiu.h"
 #include "hw/ssi/npcm_pspi.h"
@@ -108,7 +109,8 @@ struct NPCM7xxState {
     NPCMGMACState       gmac[2];
     NPCM7xxSDHCIState   mmc;
     NPCMPSPIState       pspi[2];
-};
+    NPCMPCIERCState     pcierc;
+} NPCM7xxState;
 
 #define TYPE_NPCM7XX    "npcm7xx"
 OBJECT_DECLARE_TYPE(NPCM7xxState, NPCM7xxClass, NPCM7XX)

-- 
2.51.0.384.g4c02a37b29-goog