diff options
Diffstat (limited to 'hw/ppc/sam460ex.c')
| -rw-r--r-- | hw/ppc/sam460ex.c | 49 |
1 files changed, 15 insertions, 34 deletions
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index 7eed2ec601..e2b7028843 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -36,6 +36,7 @@ #include "hw/i2c/ppc4xx_i2c.h" #include "hw/i2c/smbus.h" #include "hw/usb/hcd-ehci.h" +#include "hw/ppc/fdt.h" #include <libfdt.h> @@ -254,7 +255,6 @@ static int sam460ex_load_device_tree(hwaddr addr, hwaddr initrd_size, const char *kernel_cmdline) { - int ret = -1; uint32_t mem_reg_property[] = { 0, 0, cpu_to_be32(ramsize) }; char *filename; int fdt_size; @@ -265,42 +265,30 @@ static int sam460ex_load_device_tree(hwaddr addr, filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); if (!filename) { - goto out; + error_report("Couldn't find dtb file `%s'", BINARY_DEVICE_TREE_FILE); + exit(1); } fdt = load_device_tree(filename, &fdt_size); g_free(filename); - if (fdt == NULL) { - goto out; + if (!fdt) { + error_report("Couldn't load dtb file `%s'", filename); + exit(1); } /* Manipulate device tree in memory. */ - ret = qemu_fdt_setprop(fdt, "/memory", "reg", mem_reg_property, - sizeof(mem_reg_property)); - if (ret < 0) { - error_report("couldn't set /memory/reg"); - } + qemu_fdt_setprop(fdt, "/memory", "reg", mem_reg_property, + sizeof(mem_reg_property)); /* default FDT doesn't have a /chosen node... */ qemu_fdt_add_subnode(fdt, "/chosen"); - ret = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", - initrd_base); - if (ret < 0) { - error_report("couldn't set /chosen/linux,initrd-start"); - } + qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", initrd_base); - ret = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", - (initrd_base + initrd_size)); - if (ret < 0) { - error_report("couldn't set /chosen/linux,initrd-end"); - } + qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", + (initrd_base + initrd_size)); - ret = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", - kernel_cmdline); - if (ret < 0) { - error_report("couldn't set /chosen/bootargs"); - } + qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", kernel_cmdline); /* Copy data from the host device tree into the guest. Since the guest can * directly access the timebase without host involvement, we must expose @@ -318,13 +306,13 @@ static int sam460ex_load_device_tree(hwaddr addr, /* Remove cpm node if it exists (it is not emulated) */ offset = fdt_path_offset(fdt, "/cpm"); if (offset >= 0) { - fdt_nop_node(fdt, offset); + _FDT(fdt_nop_node(fdt, offset)); } /* set serial port clocks */ offset = fdt_node_offset_by_compatible(fdt, -1, "ns16550"); while (offset >= 0) { - fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ); + _FDT(fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ)); offset = fdt_node_offset_by_compatible(fdt, offset, "ns16550"); } @@ -338,11 +326,8 @@ static int sam460ex_load_device_tree(hwaddr addr, rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); g_free(fdt); - ret = fdt_size; - -out: - return ret; + return fdt_size; } /* Create reset TLB entries for BookE, mapping only the flash memory. */ @@ -612,10 +597,6 @@ static void sam460ex_init(MachineState *machine) dt_size = sam460ex_load_device_tree(FDT_ADDR, machine->ram_size, RAMDISK_ADDR, initrd_size, machine->kernel_cmdline); - if (dt_size < 0) { - error_report("couldn't load device tree"); - exit(1); - } boot_info->dt_base = FDT_ADDR; boot_info->dt_size = dt_size; |