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From: Alistair Francis <alistair.francis@opensource.wdc.com>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com, Alistair Francis <alistair.francis@wdc.com>,
"Edgar E . Iglesias" <edgar.iglesias@amd.com>
Subject: [PULL 23/25] hw/riscv: virt: Add support for generating platform FDT
entries
Date: Fri, 29 Apr 2022 14:31:17 +1000
Message-Id: <20220429043119.1478881-24-alistair.francis@opensource.wdc.com>
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From: Alistair Francis <alistair.francis@wdc.com>
Similar to the ARM virt machine add support for adding device tree
entries for dynamically created devices.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20220427234146.1130752-5-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
hw/riscv/virt.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index d99ea1c9fd..12d0650b33 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -28,6 +28,7 @@
#include "hw/qdev-properties.h"
#include "hw/char/serial.h"
#include "target/riscv/cpu.h"
+#include "hw/core/sysbus-fdt.h"
#include "hw/riscv/riscv_hart.h"
#include "hw/riscv/virt.h"
#include "hw/riscv/boot.h"
@@ -475,6 +476,12 @@ static void create_fdt_socket_plic(RISCVVirtState *s,
riscv_socket_fdt_write_id(mc, mc->fdt, plic_name, socket);
qemu_fdt_setprop_cell(mc->fdt, plic_name, "phandle",
plic_phandles[socket]);
+
+ platform_bus_add_all_fdt_nodes(mc->fdt, plic_name,
+ memmap[VIRT_PLATFORM_BUS].base,
+ memmap[VIRT_PLATFORM_BUS].size,
+ VIRT_PLATFORM_BUS_IRQ);
+
g_free(plic_name);
=20
g_free(plic_cells);
@@ -552,6 +559,12 @@ static void create_fdt_imsic(RISCVVirtState *s, const =
MemMapEntry *memmap,
IMSIC_MMIO_GROUP_MIN_SHIFT);
}
qemu_fdt_setprop_cell(mc->fdt, imsic_name, "phandle", *msi_m_phandle);
+
+ platform_bus_add_all_fdt_nodes(mc->fdt, imsic_name,
+ memmap[VIRT_PLATFORM_BUS].base,
+ memmap[VIRT_PLATFORM_BUS].size,
+ VIRT_PLATFORM_BUS_IRQ);
+
g_free(imsic_name);
=20
/* S-level IMSIC node */
@@ -689,6 +702,12 @@ static void create_fdt_socket_aplic(RISCVVirtState *s,
VIRT_IRQCHIP_NUM_SOURCES);
riscv_socket_fdt_write_id(mc, mc->fdt, aplic_name, socket);
qemu_fdt_setprop_cell(mc->fdt, aplic_name, "phandle", aplic_s_phandle);
+
+ platform_bus_add_all_fdt_nodes(mc->fdt, aplic_name,
+ memmap[VIRT_PLATFORM_BUS].base,
+ memmap[VIRT_PLATFORM_BUS].size,
+ VIRT_PLATFORM_BUS_IRQ);
+
g_free(aplic_name);
=20
g_free(aplic_cells);
--=20
2.35.1