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hw/riscv: virt: Add support for generating platform FDT entries 

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>
This commit is contained in:
Alistair Francis 2022-04-28 09:41:44 +10:00
parent 1832b7cb3f
commit 3029fab643
1 changed files with 19 additions and 0 deletions
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19
hw/riscv/virt.c
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@ -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);
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);
/* 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);
g_free(aplic_cells);