From 24e398d06b42e3340be2c7ab54856802b82a1788 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Fri, 6 Sep 2019 09:19:50 -0700 Subject: riscv: hw: Remove superfluous "linux, phandle" property "linux,phandle" property is optional. Remove all instances in the sifive_u, virt and spike machine device trees. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis Signed-off-by: Palmer Dabbelt --- hw/riscv/virt.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'hw/riscv/virt.c') diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 9bced28486..78091707dc 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -170,11 +170,9 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu); qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu"); qemu_fdt_setprop_cell(fdt, nodename, "phandle", cpu_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "linux,phandle", cpu_phandle); intc_phandle = phandle++; qemu_fdt_add_subnode(fdt, intc); qemu_fdt_setprop_cell(fdt, intc, "phandle", intc_phandle); - qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", intc_phandle); qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc"); qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0); qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1); @@ -250,7 +248,6 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, nodename, "riscv,max-priority", 7); qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", VIRTIO_NDEV); qemu_fdt_setprop_cells(fdt, nodename, "phandle", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "linux,phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(cells); g_free(nodename); -- cgit v1.2.3 From 04e7edd108308b03f8066f4385fd317aa620ea70 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Fri, 6 Sep 2019 09:19:51 -0700 Subject: riscv: hw: Use qemu_fdt_setprop_cell() for property with only 1 cell Some of the properties only have 1 cell so we should use qemu_fdt_setprop_cell() instead of qemu_fdt_setprop_cells(). Signed-off-by: Bin Meng Reviewed-by: Alistair Francis Signed-off-by: Palmer Dabbelt --- hw/riscv/virt.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'hw/riscv/virt.c') diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 78091707dc..6852178bc2 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -233,8 +233,8 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, nodename = g_strdup_printf("/soc/interrupt-controller@%lx", (long)memmap[VIRT_PLIC].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cells(fdt, nodename, "#address-cells", - FDT_PLIC_ADDR_CELLS); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", + FDT_PLIC_ADDR_CELLS); qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", FDT_PLIC_INT_CELLS); qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,plic0"); @@ -247,7 +247,7 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control"); qemu_fdt_setprop_cell(fdt, nodename, "riscv,max-priority", 7); qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", VIRTIO_NDEV); - qemu_fdt_setprop_cells(fdt, nodename, "phandle", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(cells); g_free(nodename); @@ -260,19 +260,19 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size, 0x0, memmap[VIRT_VIRTIO].size); - qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "interrupts", VIRTIO_IRQ + i); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", VIRTIO_IRQ + i); g_free(nodename); } nodename = g_strdup_printf("/soc/pci@%lx", (long) memmap[VIRT_PCIE_ECAM].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cells(fdt, nodename, "#address-cells", - FDT_PCI_ADDR_CELLS); - qemu_fdt_setprop_cells(fdt, nodename, "#interrupt-cells", - FDT_PCI_INT_CELLS); - qemu_fdt_setprop_cells(fdt, nodename, "#size-cells", 0x2); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", + FDT_PCI_ADDR_CELLS); + qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", + FDT_PCI_INT_CELLS); + qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0x2); qemu_fdt_setprop_string(fdt, nodename, "compatible", "pci-host-ecam-generic"); qemu_fdt_setprop_string(fdt, nodename, "device_type", "pci"); @@ -309,8 +309,8 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, 0x0, memmap[VIRT_UART0].base, 0x0, memmap[VIRT_UART0].size); qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 3686400); - qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "interrupts", UART0_IRQ); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", UART0_IRQ); qemu_fdt_add_subnode(fdt, "/chosen"); qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename); -- cgit v1.2.3 From b179685b6a8c3738161d562985a5aa3ad0a65839 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Fri, 6 Sep 2019 09:19:52 -0700 Subject: riscv: hw: Remove not needed PLIC properties in device tree This removes "reg-names" and "riscv,max-priority" properties of the PLIC node from device tree. Signed-off-by: Bin Meng Reviewed-by: Jonathan Behrens Reviewed-by: Alistair Francis Signed-off-by: Palmer Dabbelt --- hw/riscv/virt.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'hw/riscv/virt.c') diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 6852178bc2..090512be13 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -244,8 +244,6 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[VIRT_PLIC].base, 0x0, memmap[VIRT_PLIC].size); - qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control"); - qemu_fdt_setprop_cell(fdt, nodename, "riscv,max-priority", 7); qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", VIRTIO_NDEV); qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); -- cgit v1.2.3 From 9f79638ec55411d5d120a15bd2181cc862e4fba1 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Fri, 6 Sep 2019 09:19:53 -0700 Subject: riscv: hw: Change create_fdt() to return void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There is no need to return fdt at the end of create_fdt() because it's already saved in s->fdt. Signed-off-by: Bin Meng Reviewed-by: Chih-Min Chao Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Alistair Francis Signed-off-by: Palmer Dabbelt --- hw/riscv/virt.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'hw/riscv/virt.c') diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 090512be13..d36f5625ec 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -112,7 +112,7 @@ static void create_pcie_irq_map(void *fdt, char *nodename, 0x1800, 0, 0, 0x7); } -static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, +static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, uint64_t mem_size, const char *cmdline) { void *fdt; @@ -316,8 +316,6 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline); } g_free(nodename); - - return fdt; } @@ -373,7 +371,6 @@ static void riscv_virt_board_init(MachineState *machine) size_t plic_hart_config_len; int i; unsigned int smp_cpus = machine->smp.cpus; - void *fdt; /* Initialize SOC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), @@ -392,7 +389,7 @@ static void riscv_virt_board_init(MachineState *machine) main_mem); /* create device tree */ - fdt = create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); + create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); /* boot rom */ memory_region_init_rom(mask_rom, NULL, "riscv_virt_board.mrom", @@ -411,9 +408,9 @@ static void riscv_virt_board_init(MachineState *machine) hwaddr end = riscv_load_initrd(machine->initrd_filename, machine->ram_size, kernel_entry, &start); - qemu_fdt_setprop_cell(fdt, "/chosen", + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-start", start); - qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", end); } } -- cgit v1.2.3