qemu-patch-raspberry4/hw/ppc/mpc8544ds.c
Scott Wood f5fba9d27f PPC: e500: Select MPIC v4.2 on ppce500 platform
The compatible string is changed to fsl,mpic on all e500 platforms, to
advertise the existence of BRR1.  This matches what the device tree will
have on real hardware.

With MPIC v4.2 max_cpu can be increased from 15 to 32.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-01-25 22:02:56 +01:00

68 lines
1.9 KiB
C

/*
* Support for the PPC e500-based mpc8544ds board
*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "config.h"
#include "qemu-common.h"
#include "e500.h"
#include "../boards.h"
#include "sysemu/device_tree.h"
#include "hw/openpic.h"
static void mpc8544ds_fixup_devtree(PPCE500Params *params, void *fdt)
{
const char model[] = "MPC8544DS";
const char compatible[] = "MPC8544DS\0MPC85xxDS";
qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
qemu_devtree_setprop(fdt, "/", "compatible", compatible,
sizeof(compatible));
}
static void mpc8544ds_init(QEMUMachineInitArgs *args)
{
ram_addr_t ram_size = args->ram_size;
const char *boot_device = args->boot_device;
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
PPCE500Params params = {
.ram_size = ram_size,
.boot_device = boot_device,
.kernel_filename = kernel_filename,
.kernel_cmdline = kernel_cmdline,
.initrd_filename = initrd_filename,
.cpu_model = cpu_model,
.pci_first_slot = 0x11,
.pci_nr_slots = 2,
.fixup_devtree = mpc8544ds_fixup_devtree,
.mpic_version = OPENPIC_MODEL_FSL_MPIC_20,
};
ppce500_init(&params);
}
static QEMUMachine ppce500_machine = {
.name = "mpc8544ds",
.desc = "mpc8544ds",
.init = mpc8544ds_init,
.max_cpus = 15,
DEFAULT_MACHINE_OPTIONS,
};
static void ppce500_machine_init(void)
{
qemu_register_machine(&ppce500_machine);
}
machine_init(ppce500_machine_init);