hw/riscv: Move sifive_plic model to hw/intc

This is an effort to clean up the hw/riscv directory. Ideally it
should only contain the RISC-V SoC / machine codes plus generic
codes. Let's move sifive_plic model to hw/intc directory.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <1599129623-68957-7-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

10 files changed, 95 insertions, 6 deletions

diff --git a/hw/intc/Kconfig b/hw/intc/Kconfig
index f499d0f8df..d07954086a 100644
--- a/hw/intc/Kconfig
+++ b/hw/intc/Kconfig
@@ -70,3 +70,6 @@ config LOONGSON_LIOINTC
 
 config SIFIVE_CLINT
     bool
+
+config SIFIVE_PLIC
+    bool
diff --git a/hw/intc/meson.build b/hw/intc/meson.build
index 1e20daab77..3f82cc230a 100644
--- a/hw/intc/meson.build
+++ b/hw/intc/meson.build
@@ -48,6 +48,7 @@ specific_ss.add(when: 'CONFIG_S390_FLIC', if_true: files('s390_flic.c'))
 specific_ss.add(when: 'CONFIG_S390_FLIC_KVM', if_true: files('s390_flic_kvm.c'))
 specific_ss.add(when: 'CONFIG_SH4', if_true: files('sh_intc.c'))
 specific_ss.add(when: 'CONFIG_SIFIVE_CLINT', if_true: files('sifive_clint.c'))
+specific_ss.add(when: 'CONFIG_SIFIVE_PLIC', if_true: files('sifive_plic.c'))
 specific_ss.add(when: 'CONFIG_XICS', if_true: files('xics.c'))
 specific_ss.add(when: 'CONFIG_XICS_KVM', if_true: files('xics_kvm.c'))
 specific_ss.add(when: 'CONFIG_XICS_SPAPR', if_true: files('xics_spapr.c'))
diff --git a/hw/riscv/sifive_plic.c b/hw/intc/sifive_plic.c
index 11ef147606..af611f8db8 100644
--- a/hw/riscv/sifive_plic.c
+++ b/hw/intc/sifive_plic.c
@@ -27,9 +27,9 @@
 #include "hw/pci/msi.h"
 #include "hw/boards.h"
 #include "hw/qdev-properties.h"
+#include "hw/intc/sifive_plic.h"
 #include "target/riscv/cpu.h"
 #include "sysemu/sysemu.h"
-#include "hw/riscv/sifive_plic.h"
 
 #define RISCV_DEBUG_PLIC 0
 
diff --git a/hw/intc/sifive_plic.h b/hw/intc/sifive_plic.h
new file mode 100644
index 0000000000..ace76d0f1b
--- /dev/null
+++ b/hw/intc/sifive_plic.h
@@ -0,0 +1,81 @@
+/*
+ * SiFive PLIC (Platform Level Interrupt Controller) interface
+ *
+ * Copyright (c) 2017 SiFive, Inc.
+ *
+ * This provides a RISC-V PLIC device
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_SIFIVE_PLIC_H
+#define HW_SIFIVE_PLIC_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_SIFIVE_PLIC "riscv.sifive.plic"
+
+#define SIFIVE_PLIC(obj) \
+    OBJECT_CHECK(SiFivePLICState, (obj), TYPE_SIFIVE_PLIC)
+
+typedef enum PLICMode {
+    PLICMode_U,
+    PLICMode_S,
+    PLICMode_H,
+    PLICMode_M
+} PLICMode;
+
+typedef struct PLICAddr {
+    uint32_t addrid;
+    uint32_t hartid;
+    PLICMode mode;
+} PLICAddr;
+
+typedef struct SiFivePLICState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+
+    /*< public >*/
+    MemoryRegion mmio;
+    uint32_t num_addrs;
+    uint32_t num_harts;
+    uint32_t bitfield_words;
+    PLICAddr *addr_config;
+    uint32_t *source_priority;
+    uint32_t *target_priority;
+    uint32_t *pending;
+    uint32_t *claimed;
+    uint32_t *enable;
+
+    /* config */
+    char *hart_config;
+    uint32_t hartid_base;
+    uint32_t num_sources;
+    uint32_t num_priorities;
+    uint32_t priority_base;
+    uint32_t pending_base;
+    uint32_t enable_base;
+    uint32_t enable_stride;
+    uint32_t context_base;
+    uint32_t context_stride;
+    uint32_t aperture_size;
+} SiFivePLICState;
+
+DeviceState *sifive_plic_create(hwaddr addr, char *hart_config,
+    uint32_t hartid_base, uint32_t num_sources,
+    uint32_t num_priorities, uint32_t priority_base,
+    uint32_t pending_base, uint32_t enable_base,
+    uint32_t enable_stride, uint32_t context_base,
+    uint32_t context_stride, uint32_t aperture_size);
+
+#endif
diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig
index f8bb7e7a05..23b7027e11 100644
--- a/hw/riscv/Kconfig
+++ b/hw/riscv/Kconfig
@@ -17,6 +17,7 @@ config SIFIVE_E
     select SIFIVE
     select SIFIVE_CLINT
     select SIFIVE_GPIO
+    select SIFIVE_PLIC
     select SIFIVE_E_PRCI
     select UNIMP
 
@@ -28,6 +29,7 @@ config SIFIVE_U
     select SIFIVE_CLINT
     select SIFIVE_GPIO
     select SIFIVE_PDMA
+    select SIFIVE_PLIC
     select SIFIVE_U_OTP
     select SIFIVE_U_PRCI
     select UNIMP
@@ -38,6 +40,7 @@ config SPIKE
     select HTIF
     select SIFIVE
     select SIFIVE_CLINT
+    select SIFIVE_PLIC
 
 config OPENTITAN
     bool
@@ -58,6 +61,7 @@ config RISCV_VIRT
     select PFLASH_CFI01
     select SIFIVE
     select SIFIVE_CLINT
+    select SIFIVE_PLIC
 
 config MICROCHIP_PFSOC
     bool
@@ -67,4 +71,5 @@ config MICROCHIP_PFSOC
     select UNIMP
     select MCHP_PFSOC_MMUART
     select SIFIVE_PDMA
+    select SIFIVE_PLIC
     select CADENCE_SDHCI
diff --git a/hw/riscv/meson.build b/hw/riscv/meson.build
index d0b4cafaec..df3f89d062 100644
--- a/hw/riscv/meson.build
+++ b/hw/riscv/meson.build
@@ -4,7 +4,6 @@ riscv_ss.add(files('numa.c'))
 riscv_ss.add(when: 'CONFIG_HART', if_true: files('riscv_hart.c'))
 riscv_ss.add(when: 'CONFIG_OPENTITAN', if_true: files('opentitan.c'))
 riscv_ss.add(when: 'CONFIG_RISCV_VIRT', if_true: files('virt.c'))
-riscv_ss.add(when: 'CONFIG_SIFIVE', if_true: files('sifive_plic.c'))
 riscv_ss.add(when: 'CONFIG_SIFIVE', if_true: files('sifive_test.c'))
 riscv_ss.add(when: 'CONFIG_SIFIVE', if_true: files('sifive_uart.c'))
 riscv_ss.add(when: 'CONFIG_SIFIVE_E', if_true: files('sifive_e.c'))
diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
index 131eea1ef3..4627179cd3 100644
--- a/hw/riscv/microchip_pfsoc.c
+++ b/hw/riscv/microchip_pfsoc.c
@@ -48,9 +48,9 @@
 #include "hw/misc/unimp.h"
 #include "hw/riscv/boot.h"
 #include "hw/riscv/riscv_hart.h"
-#include "hw/riscv/sifive_plic.h"
 #include "hw/riscv/microchip_pfsoc.h"
 #include "hw/intc/sifive_clint.h"
+#include "hw/intc/sifive_plic.h"
 #include "sysemu/sysemu.h"
 
 /*
diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c
index 3bdb16e697..0ddcf1508d 100644
--- a/hw/riscv/sifive_e.c
+++ b/hw/riscv/sifive_e.c
@@ -39,11 +39,11 @@
 #include "hw/misc/unimp.h"
 #include "target/riscv/cpu.h"
 #include "hw/riscv/riscv_hart.h"
-#include "hw/riscv/sifive_plic.h"
 #include "hw/riscv/sifive_uart.h"
 #include "hw/riscv/sifive_e.h"
 #include "hw/riscv/boot.h"
 #include "hw/intc/sifive_clint.h"
+#include "hw/intc/sifive_plic.h"
 #include "hw/misc/sifive_e_prci.h"
 #include "chardev/char.h"
 #include "sysemu/arch_init.h"
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 7187d1ad17..faca2e829e 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -46,11 +46,11 @@
 #include "hw/misc/unimp.h"
 #include "target/riscv/cpu.h"
 #include "hw/riscv/riscv_hart.h"
-#include "hw/riscv/sifive_plic.h"
 #include "hw/riscv/sifive_uart.h"
 #include "hw/riscv/sifive_u.h"
 #include "hw/riscv/boot.h"
 #include "hw/intc/sifive_clint.h"
+#include "hw/intc/sifive_plic.h"
 #include "chardev/char.h"
 #include "net/eth.h"
 #include "sysemu/arch_init.h"
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index bce2020d02..0caab8e050 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -30,12 +30,12 @@
 #include "hw/char/serial.h"
 #include "target/riscv/cpu.h"
 #include "hw/riscv/riscv_hart.h"
-#include "hw/riscv/sifive_plic.h"
 #include "hw/riscv/sifive_test.h"
 #include "hw/riscv/virt.h"
 #include "hw/riscv/boot.h"
 #include "hw/riscv/numa.h"
 #include "hw/intc/sifive_clint.h"
+#include "hw/intc/sifive_plic.h"
 #include "chardev/char.h"
 #include "sysemu/arch_init.h"
 #include "sysemu/device_tree.h"