ppc/ppc405: Remove boards

The ref405ep machine is the only PPC 405 machine. Drop all support by
removing the SoC and associated devices as-well as the machine.

Link: https://lore.kernel.org/qemu-devel/20250110141800.1587589-3-clg@redhat.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20250204080649.836155-3-clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

MAINTAINERS

@@ -1407,12 +1407,6 @@ F: hw/openrisc/openrisc_sim.c
 
 PowerPC Machines
 ----------------
-405 (ref405ep)
-L: qemu-ppc@nongnu.org
-S: Orphan
-F: hw/ppc/ppc405*
-F: tests/functional/test_ppc_405.py
-
 Bamboo
 L: qemu-ppc@nongnu.org
 S: Orphan

docs/about/deprecated.rst

@@ -277,14 +277,6 @@ deprecated; use the new name ``dtb-randomness`` instead. The new name
 better reflects the way this property affects all random data within
 the device tree blob, not just the ``kaslr-seed`` node.
 
-PPC 405 ``ref405ep`` machine (since 9.1)
-''''''''''''''''''''''''''''''''''''''''
-
-The ``ref405ep`` machine and PPC 405 CPU have no known users, firmware
-images are not available, OpenWRT dropped support in 2019, U-Boot in
-2017, Linux also is dropping support in 2024. It is time to let go of
-this ancient hardware and focus on newer CPUs and platforms.
-
 Big-Endian variants of MicroBlaze ``petalogix-ml605`` and ``xlnx-zynqmp-pmu`` machines (since 9.2)
 ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
 

docs/about/removed-features.rst

@@ -1064,6 +1064,13 @@ for all machine types using the PXA2xx and OMAP2 SoCs. We are also
 dropping the ``cheetah`` OMAP1 board, because we don't have any
 test images for it and don't know of anybody who does.
 
+ppc ``ref405ep`` machine (removed in 10.0)
+''''''''''''''''''''''''''''''''''''''''''
+
+This machine was removed because PPC 405 CPU have no known users,
+firmware images are not available, OpenWRT dropped support in 2019,
+U-Boot in 2017, and Linux in 2024.
+
 linux-user mode CPUs
 --------------------
 

docs/system/ppc/embedded.rst

@@ -4,6 +4,5 @@ Embedded family boards
 - ``bamboo``               bamboo
 - ``mpc8544ds``            mpc8544ds
 - ``ppce500``              generic paravirt e500 platform
-- ``ref405ep``             ref405ep
 - ``sam460ex``             aCube Sam460ex
 - ``virtex-ml507``         Xilinx Virtex ML507 reference design

hw/ppc/Kconfig

@@ -44,15 +44,6 @@ config POWERNV
     select SSI_M25P80
     select PNV_SPI
 
-config PPC405
-    bool
-    default y
-    depends on PPC
-    select M48T59
-    select PFLASH_CFI02
-    select PPC4XX
-    select SERIAL_MM
-
 config PPC440
     bool
     default y

hw/ppc/meson.build

@@ -57,9 +57,6 @@ ppc_ss.add(when: 'CONFIG_POWERNV', if_true: files(
   'pnv_n1_chiplet.c',
 ))
 # PowerPC 4xx boards
-ppc_ss.add(when: 'CONFIG_PPC405', if_true: files(
-  'ppc405_boards.c',
-  'ppc405_uc.c'))
 ppc_ss.add(when: 'CONFIG_PPC440', if_true: files(
   'ppc440_bamboo.c',
   'ppc440_uc.c'))

hw/ppc/ppc405.h

@@ -1,186 +0,0 @@
-/*
- * QEMU PowerPC 405 shared definitions
- *
- * Copyright (c) 2007 Jocelyn Mayer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef PPC405_H
-#define PPC405_H
-
-#include "qom/object.h"
-#include "hw/ppc/ppc4xx.h"
-#include "hw/intc/ppc-uic.h"
-#include "hw/i2c/ppc4xx_i2c.h"
-
-/* PLB to OPB bridge */
-#define TYPE_PPC405_POB "ppc405-pob"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PobState, PPC405_POB);
-struct Ppc405PobState {
-    Ppc4xxDcrDeviceState parent_obj;
-
-    uint32_t bear;
-    uint32_t besr0;
-    uint32_t besr1;
-};
-
-/* OPB arbitrer */
-#define TYPE_PPC405_OPBA "ppc405-opba"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405OpbaState, PPC405_OPBA);
-struct Ppc405OpbaState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion io;
-    uint8_t cr;
-    uint8_t pr;
-};
-
-/* DMA controller */
-#define TYPE_PPC405_DMA "ppc405-dma"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405DmaState, PPC405_DMA);
-struct Ppc405DmaState {
-    Ppc4xxDcrDeviceState parent_obj;
-
-    qemu_irq irqs[4];
-    uint32_t cr[4];
-    uint32_t ct[4];
-    uint32_t da[4];
-    uint32_t sa[4];
-    uint32_t sg[4];
-    uint32_t sr;
-    uint32_t sgc;
-    uint32_t slp;
-    uint32_t pol;
-};
-
-/* GPIO */
-#define TYPE_PPC405_GPIO "ppc405-gpio"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405GpioState, PPC405_GPIO);
-struct Ppc405GpioState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion io;
-    uint32_t or;
-    uint32_t tcr;
-    uint32_t osrh;
-    uint32_t osrl;
-    uint32_t tsrh;
-    uint32_t tsrl;
-    uint32_t odr;
-    uint32_t ir;
-    uint32_t rr1;
-    uint32_t isr1h;
-    uint32_t isr1l;
-};
-
-/* On Chip Memory */
-#define TYPE_PPC405_OCM "ppc405-ocm"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405OcmState, PPC405_OCM);
-struct Ppc405OcmState {
-    Ppc4xxDcrDeviceState parent_obj;
-
-    MemoryRegion ram;
-    MemoryRegion isarc_ram;
-    MemoryRegion dsarc_ram;
-    uint32_t isarc;
-    uint32_t isacntl;
-    uint32_t dsarc;
-    uint32_t dsacntl;
-};
-
-/* General purpose timers */
-#define TYPE_PPC405_GPT "ppc405-gpt"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405GptState, PPC405_GPT);
-struct Ppc405GptState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion iomem;
-
-    int64_t tb_offset;
-    uint32_t tb_freq;
-    QEMUTimer *timer;
-    qemu_irq irqs[5];
-    uint32_t oe;
-    uint32_t ol;
-    uint32_t im;
-    uint32_t is;
-    uint32_t ie;
-    uint32_t comp[5];
-    uint32_t mask[5];
-};
-
-#define TYPE_PPC405_CPC "ppc405-cpc"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405CpcState, PPC405_CPC);
-
-enum {
-    PPC405EP_CPU_CLK   = 0,
-    PPC405EP_PLB_CLK   = 1,
-    PPC405EP_OPB_CLK   = 2,
-    PPC405EP_EBC_CLK   = 3,
-    PPC405EP_MAL_CLK   = 4,
-    PPC405EP_PCI_CLK   = 5,
-    PPC405EP_UART0_CLK = 6,
-    PPC405EP_UART1_CLK = 7,
-    PPC405EP_CLK_NB    = 8,
-};
-
-struct Ppc405CpcState {
-    Ppc4xxDcrDeviceState parent_obj;
-
-    uint32_t sysclk;
-    clk_setup_t clk_setup[PPC405EP_CLK_NB];
-    uint32_t boot;
-    uint32_t epctl;
-    uint32_t pllmr[2];
-    uint32_t ucr;
-    uint32_t srr;
-    uint32_t jtagid;
-    uint32_t pci;
-    /* Clock and power management */
-    uint32_t er;
-    uint32_t fr;
-    uint32_t sr;
-};
-
-#define TYPE_PPC405_SOC "ppc405-soc"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405SoCState, PPC405_SOC);
-
-struct Ppc405SoCState {
-    /* Private */
-    DeviceState parent_obj;
-
-    /* Public */
-    PowerPCCPU cpu;
-    PPCUIC uic;
-    Ppc405CpcState cpc;
-    Ppc405GptState gpt;
-    Ppc405OcmState ocm;
-    Ppc405GpioState gpio;
-    Ppc405DmaState dma;
-    PPC4xxI2CState i2c;
-    Ppc4xxEbcState ebc;
-    Ppc405OpbaState opba;
-    Ppc405PobState pob;
-    Ppc4xxPlbState plb;
-    Ppc4xxMalState mal;
-    Ppc4xxSdramDdrState sdram;
-};
-
-#endif /* PPC405_H */

hw/ppc/ppc405_boards.c

@@ -1,520 +0,0 @@
-/*
- * QEMU PowerPC 405 evaluation boards emulation
- *
- * Copyright (c) 2007 Jocelyn Mayer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu/units.h"
-#include "qapi/error.h"
-#include "qemu/datadir.h"
-#include "cpu.h"
-#include "hw/ppc/ppc.h"
-#include "hw/qdev-properties.h"
-#include "hw/sysbus.h"
-#include "ppc405.h"
-#include "hw/rtc/m48t59.h"
-#include "hw/block/flash.h"
-#include "system/qtest.h"
-#include "system/reset.h"
-#include "system/block-backend.h"
-#include "hw/boards.h"
-#include "qemu/error-report.h"
-#include "hw/loader.h"
-#include "qemu/cutils.h"
-#include "elf.h"
-
-#define BIOS_FILENAME "ppc405_rom.bin"
-#define BIOS_SIZE (2 * MiB)
-
-#define KERNEL_LOAD_ADDR 0x01000000
-#define INITRD_LOAD_ADDR 0x01800000
-
-#define PPC405EP_SDRAM_BASE 0x00000000
-#define PPC405EP_SRAM_BASE  0xFFF00000
-#define PPC405EP_SRAM_SIZE  (512 * KiB)
-
-#define USE_FLASH_BIOS
-
-#define TYPE_PPC405_MACHINE MACHINE_TYPE_NAME("ppc405")
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405MachineState, PPC405_MACHINE);
-
-struct Ppc405MachineState {
-    /* Private */
-    MachineState parent_obj;
-    /* Public */
-
-    Ppc405SoCState soc;
-};
-
-/* CPU reset handler when booting directly from a loaded kernel */
-static struct boot_info {
-    uint32_t entry;
-    uint32_t bdloc;
-    uint32_t initrd_base;
-    uint32_t initrd_size;
-    uint32_t cmdline_base;
-    uint32_t cmdline_size;
-} boot_info;
-
-static void main_cpu_reset(void *opaque)
-{
-    PowerPCCPU *cpu = opaque;
-    CPUPPCState *env = &cpu->env;
-    struct boot_info *bi = env->load_info;
-
-    cpu_reset(CPU(cpu));
-
-    /* stack: top of sram */
-    env->gpr[1] = PPC405EP_SRAM_BASE + PPC405EP_SRAM_SIZE - 8;
-
-    /* Tune our boot state */
-    env->gpr[3] = bi->bdloc;
-    env->gpr[4] = bi->initrd_base;
-    env->gpr[5] = bi->initrd_base + bi->initrd_size;
-    env->gpr[6] = bi->cmdline_base;
-    env->gpr[7] = bi->cmdline_size;
-
-    env->nip = bi->entry;
-}
-
-/* Bootinfo as set-up by u-boot */
-typedef struct {
-    uint32_t bi_memstart;
-    uint32_t bi_memsize;
-    uint32_t bi_flashstart;
-    uint32_t bi_flashsize;
-    uint32_t bi_flashoffset; /* 0x10 */
-    uint32_t bi_sramstart;
-    uint32_t bi_sramsize;
-    uint32_t bi_bootflags;
-    uint32_t bi_ipaddr; /* 0x20 */
-    uint8_t  bi_enetaddr[6];
-    uint16_t bi_ethspeed;
-    uint32_t bi_intfreq;
-    uint32_t bi_busfreq; /* 0x30 */
-    uint32_t bi_baudrate;
-    uint8_t  bi_s_version[4];
-    uint8_t  bi_r_version[32];
-    uint32_t bi_procfreq;
-    uint32_t bi_plb_busfreq;
-    uint32_t bi_pci_busfreq;
-    uint8_t  bi_pci_enetaddr[6];
-    uint8_t  bi_pci_enetaddr2[6]; /* PPC405EP specific */
-    uint32_t bi_opbfreq;
-    uint32_t bi_iic_fast[2];
-} ppc4xx_bd_info_t;
-
-static void ppc405_set_default_bootinfo(ppc4xx_bd_info_t *bd,
-                                        ram_addr_t ram_size)
-{
-        memset(bd, 0, sizeof(*bd));
-
-        bd->bi_memstart = PPC405EP_SDRAM_BASE;
-        bd->bi_memsize = ram_size;
-        bd->bi_sramstart = PPC405EP_SRAM_BASE;
-        bd->bi_sramsize = PPC405EP_SRAM_SIZE;
-        bd->bi_bootflags = 0;
-        bd->bi_intfreq = 133333333;
-        bd->bi_busfreq = 33333333;
-        bd->bi_baudrate = 115200;
-        bd->bi_s_version[0] = 'Q';
-        bd->bi_s_version[1] = 'M';
-        bd->bi_s_version[2] = 'U';
-        bd->bi_s_version[3] = '\0';
-        bd->bi_r_version[0] = 'Q';
-        bd->bi_r_version[1] = 'E';
-        bd->bi_r_version[2] = 'M';
-        bd->bi_r_version[3] = 'U';
-        bd->bi_r_version[4] = '\0';
-        bd->bi_procfreq = 133333333;
-        bd->bi_plb_busfreq = 33333333;
-        bd->bi_pci_busfreq = 33333333;
-        bd->bi_opbfreq = 33333333;
-}
-
-static ram_addr_t __ppc405_set_bootinfo(CPUPPCState *env, ppc4xx_bd_info_t *bd)
-{
-    CPUState *cs = env_cpu(env);
-    ram_addr_t bdloc;
-    int i, n;
-
-    /* We put the bd structure at the top of memory */
-    if (bd->bi_memsize >= 0x01000000UL) {
-        bdloc = 0x01000000UL - sizeof(ppc4xx_bd_info_t);
-    } else {
-        bdloc = bd->bi_memsize - sizeof(ppc4xx_bd_info_t);
-    }
-    stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
-    stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
-    stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
-    stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
-    stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
-    stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
-    stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
-    stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
-    stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
-    for (i = 0; i < 6; i++) {
-        stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
-    }
-    stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
-    stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
-    stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
-    stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
-    for (i = 0; i < 4; i++) {
-        stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
-    }
-    for (i = 0; i < 32; i++) {
-        stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]);
-    }
-    stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_procfreq);
-    stl_be_phys(cs->as, bdloc + 0x60, bd->bi_plb_busfreq);
-    stl_be_phys(cs->as, bdloc + 0x64, bd->bi_pci_busfreq);
-    for (i = 0; i < 6; i++) {
-        stb_phys(cs->as, bdloc + 0x68 + i, bd->bi_pci_enetaddr[i]);
-    }
-    n = 0x70; /* includes 2 bytes hole */
-    for (i = 0; i < 6; i++) {
-        stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]);
-    }
-    stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
-    n += 4;
-    for (i = 0; i < 2; i++) {
-        stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
-        n += 4;
-    }
-
-    return bdloc;
-}
-
-static ram_addr_t ppc405_set_bootinfo(CPUPPCState *env, ram_addr_t ram_size)
-{
-    ppc4xx_bd_info_t bd;
-
-    memset(&bd, 0, sizeof(bd));
-
-    ppc405_set_default_bootinfo(&bd, ram_size);
-
-    return __ppc405_set_bootinfo(env, &bd);
-}
-
-static void boot_from_kernel(MachineState *machine, PowerPCCPU *cpu)
-{
-    CPUPPCState *env = &cpu->env;
-    hwaddr boot_entry;
-    hwaddr kernel_base;
-    int kernel_size;
-    hwaddr initrd_base;
-    int initrd_size;
-    ram_addr_t bdloc;
-    int len;
-
-    bdloc = ppc405_set_bootinfo(env, machine->ram_size);
-    boot_info.bdloc = bdloc;
-
-    kernel_size = load_elf(machine->kernel_filename, NULL, NULL, NULL,
-                           &boot_entry, &kernel_base, NULL, NULL,
-                           ELFDATA2MSB, PPC_ELF_MACHINE, 0, 0);
-    if (kernel_size < 0) {
-        error_report("Could not load kernel '%s' : %s",
-                     machine->kernel_filename, load_elf_strerror(kernel_size));
-        exit(1);
-    }
-    boot_info.entry = boot_entry;
-
-    /* load initrd */
-    if (machine->initrd_filename) {
-        initrd_base = INITRD_LOAD_ADDR;
-        initrd_size = load_image_targphys(machine->initrd_filename, initrd_base,
-                                          machine->ram_size - initrd_base);
-        if (initrd_size < 0) {
-            error_report("could not load initial ram disk '%s'",
-                         machine->initrd_filename);
-            exit(1);
-        }
-
-        boot_info.initrd_base = initrd_base;
-        boot_info.initrd_size = initrd_size;
-    }
-
-    if (machine->kernel_cmdline) {
-        len = strlen(machine->kernel_cmdline);
-        bdloc -= ((len + 255) & ~255);
-        cpu_physical_memory_write(bdloc, machine->kernel_cmdline, len + 1);
-        boot_info.cmdline_base = bdloc;
-        boot_info.cmdline_size = bdloc + len;
-    }
-
-    /* Install our custom reset handler to start from Linux */
-    qemu_register_reset(main_cpu_reset, cpu);
-    env->load_info = &boot_info;
-}
-
-static void ppc405_init(MachineState *machine)
-{
-    Ppc405MachineState *ppc405 = PPC405_MACHINE(machine);
-    const char *kernel_filename = machine->kernel_filename;
-    MemoryRegion *sysmem = get_system_memory();
-
-    object_initialize_child(OBJECT(machine), "soc", &ppc405->soc,
-                            TYPE_PPC405_SOC);
-    object_property_set_link(OBJECT(&ppc405->soc), "dram",
-                             OBJECT(machine->ram), &error_abort);
-    object_property_set_uint(OBJECT(&ppc405->soc), "sys-clk", 33333333,
-                             &error_abort);
-    qdev_realize(DEVICE(&ppc405->soc), NULL, &error_fatal);
-
-    /* allocate and load BIOS */
-    if (machine->firmware) {
-        MemoryRegion *bios = g_new(MemoryRegion, 1);
-        g_autofree char *filename = qemu_find_file(QEMU_FILE_TYPE_BIOS,
-                                                   machine->firmware);
-        long bios_size;
-
-        memory_region_init_rom(bios, NULL, "ef405ep.bios", BIOS_SIZE,
-                               &error_fatal);
-
-        if (!filename) {
-            error_report("Could not find firmware '%s'", machine->firmware);
-            exit(1);
-        }
-
-        bios_size = load_image_size(filename,
-                                    memory_region_get_ram_ptr(bios),
-                                    BIOS_SIZE);
-        if (bios_size < 0) {
-            error_report("Could not load PowerPC BIOS '%s'", machine->firmware);
-            exit(1);
-        }
-
-        bios_size = (bios_size + 0xfff) & ~0xfff;
-        memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios);
-    }
-
-    /* Load kernel and initrd using U-Boot images */
-    if (kernel_filename && machine->firmware) {
-        target_ulong kernel_base, initrd_base;
-        long kernel_size, initrd_size;
-
-        kernel_base = KERNEL_LOAD_ADDR;
-        kernel_size = load_image_targphys(kernel_filename, kernel_base,
-                                          machine->ram_size - kernel_base);
-        if (kernel_size < 0) {
-            error_report("could not load kernel '%s'", kernel_filename);
-            exit(1);
-        }
-
-        /* load initrd */
-        if (machine->initrd_filename) {
-            initrd_base = INITRD_LOAD_ADDR;
-            initrd_size = load_image_targphys(machine->initrd_filename,
-                                              initrd_base,
-                                              machine->ram_size - initrd_base);
-            if (initrd_size < 0) {
-                error_report("could not load initial ram disk '%s'",
-                             machine->initrd_filename);
-                exit(1);
-            }
-        }
-
-    /* Load ELF kernel and rootfs.cpio */
-    } else if (kernel_filename && !machine->firmware) {
-        ppc4xx_sdram_ddr_enable(&ppc405->soc.sdram);
-        boot_from_kernel(machine, &ppc405->soc.cpu);
-    }
-}
-
-static void ppc405_machine_class_init(ObjectClass *oc, void *data)
-{
-    MachineClass *mc = MACHINE_CLASS(oc);
-
-    mc->desc = "PPC405 generic machine";
-    mc->init = ppc405_init;
-    mc->default_ram_size = 128 * MiB;
-    mc->default_ram_id = "ppc405.ram";
-    mc->deprecation_reason = "machine is old and unmaintained";
-}
-
-static const TypeInfo ppc405_machine_type = {
-    .name = TYPE_PPC405_MACHINE,
-    .parent = TYPE_MACHINE,
-    .instance_size = sizeof(Ppc405MachineState),
-    .class_init = ppc405_machine_class_init,
-    .abstract = true,
-};
-
-/*****************************************************************************/
-/* PPC405EP reference board (IBM) */
-/*
- * Standalone board with:
- * - PowerPC 405EP CPU
- * - SDRAM (0x00000000)
- * - Flash (0xFFF80000)
- * - SRAM  (0xFFF00000)
- * - NVRAM (0xF0000000)
- * - FPGA  (0xF0300000)
- */
-
-#define PPC405EP_NVRAM_BASE 0xF0000000
-#define PPC405EP_FPGA_BASE  0xF0300000
-#define PPC405EP_FLASH_BASE 0xFFF80000
-
-#define TYPE_REF405EP_FPGA "ref405ep-fpga"
-OBJECT_DECLARE_SIMPLE_TYPE(Ref405epFpgaState, REF405EP_FPGA);
-struct Ref405epFpgaState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion iomem;
-
-    uint8_t reg0;
-    uint8_t reg1;
-};
-
-static uint64_t ref405ep_fpga_readb(void *opaque, hwaddr addr, unsigned size)
-{
-    Ref405epFpgaState *fpga = opaque;
-    uint32_t ret;
-
-    switch (addr) {
-    case 0x0:
-        ret = fpga->reg0;
-        break;
-    case 0x1:
-        ret = fpga->reg1;
-        break;
-    default:
-        ret = 0;
-        break;
-    }
-
-    return ret;
-}
-
-static void ref405ep_fpga_writeb(void *opaque, hwaddr addr, uint64_t value,
-                                 unsigned size)
-{
-    Ref405epFpgaState *fpga = opaque;
-
-    switch (addr) {
-    case 0x0:
-        /* Read only */
-        break;
-    case 0x1:
-        fpga->reg1 = value;
-        break;
-    default:
-        break;
-    }
-}
-
-static const MemoryRegionOps ref405ep_fpga_ops = {
-    .read = ref405ep_fpga_readb,
-    .write = ref405ep_fpga_writeb,
-    .impl.min_access_size = 1,
-    .impl.max_access_size = 1,
-    .valid.min_access_size = 1,
-    .valid.max_access_size = 4,
-    .endianness = DEVICE_BIG_ENDIAN,
-};
-
-static void ref405ep_fpga_reset(DeviceState *dev)
-{
-    Ref405epFpgaState *fpga = REF405EP_FPGA(dev);
-
-    fpga->reg0 = 0x00;
-    fpga->reg1 = 0x0F;
-}
-
-static void ref405ep_fpga_realize(DeviceState *dev, Error **errp)
-{
-    Ref405epFpgaState *s = REF405EP_FPGA(dev);
-
-    memory_region_init_io(&s->iomem, OBJECT(s), &ref405ep_fpga_ops, s,
-                          "fpga", 0x00000100);
-    sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->iomem);
-}
-
-static void ref405ep_fpga_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ref405ep_fpga_realize;
-    device_class_set_legacy_reset(dc, ref405ep_fpga_reset);
-    /* Reason: only works as part of a ppc405 board */
-    dc->user_creatable = false;
-}
-
-static const TypeInfo ref405ep_fpga_type = {
-    .name = TYPE_REF405EP_FPGA,
-    .parent = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(Ref405epFpgaState),
-    .class_init = ref405ep_fpga_class_init,
-};
-
-static void ref405ep_init(MachineState *machine)
-{
-    DeviceState *dev;
-    SysBusDevice *s;
-    MemoryRegion *sram = g_new(MemoryRegion, 1);
-
-    ppc405_init(machine);
-
-    /* allocate SRAM */
-    memory_region_init_ram(sram, NULL, "ref405ep.sram", PPC405EP_SRAM_SIZE,
-                           &error_fatal);
-    memory_region_add_subregion(get_system_memory(), PPC405EP_SRAM_BASE, sram);
-
-    /* Register FPGA */
-    dev = qdev_new(TYPE_REF405EP_FPGA);
-    object_property_add_child(OBJECT(machine), "fpga", OBJECT(dev));
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, PPC405EP_FPGA_BASE);
-
-    /* Register NVRAM */
-    dev = qdev_new("sysbus-m48t08");
-    qdev_prop_set_int32(dev, "base-year", 1968);
-    s = SYS_BUS_DEVICE(dev);
-    sysbus_realize_and_unref(s, &error_fatal);
-    sysbus_mmio_map(s, 0, PPC405EP_NVRAM_BASE);
-}
-
-static void ref405ep_class_init(ObjectClass *oc, void *data)
-{
-    MachineClass *mc = MACHINE_CLASS(oc);
-
-    mc->desc = "ref405ep";
-    mc->init = ref405ep_init;
-}
-
-static const TypeInfo ref405ep_type = {
-    .name = MACHINE_TYPE_NAME("ref405ep"),
-    .parent = TYPE_PPC405_MACHINE,
-    .class_init = ref405ep_class_init,
-};
-
-static void ppc405_machine_init(void)
-{
-    type_register_static(&ppc405_machine_type);
-    type_register_static(&ref405ep_type);
-    type_register_static(&ref405ep_fpga_type);
-}
-
-type_init(ppc405_machine_init)

hw/ppc/ppc405_uc.c

@@ -1,1216 +0,0 @@
-/*
- * QEMU PowerPC 405 embedded processors emulation
- *
- * Copyright (c) 2007 Jocelyn Mayer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu/units.h"
-#include "qapi/error.h"
-#include "qemu/log.h"
-#include "cpu.h"
-#include "hw/ppc/ppc.h"
-#include "hw/i2c/ppc4xx_i2c.h"
-#include "hw/irq.h"
-#include "hw/qdev-properties.h"
-#include "ppc405.h"
-#include "hw/char/serial-mm.h"
-#include "qemu/timer.h"
-#include "system/reset.h"
-#include "system/system.h"
-#include "exec/address-spaces.h"
-#include "hw/intc/ppc-uic.h"
-#include "trace.h"
-
-/*****************************************************************************/
-/* Shared peripherals */
-
-/*****************************************************************************/
-/* PLB to OPB bridge */
-enum {
-    POB0_BESR0 = 0x0A0,
-    POB0_BESR1 = 0x0A2,
-    POB0_BEAR  = 0x0A4,
-};
-
-static uint32_t dcr_read_pob(void *opaque, int dcrn)
-{
-    Ppc405PobState *pob = opaque;
-    uint32_t ret;
-
-    switch (dcrn) {
-    case POB0_BEAR:
-        ret = pob->bear;
-        break;
-    case POB0_BESR0:
-        ret = pob->besr0;
-        break;
-    case POB0_BESR1:
-        ret = pob->besr1;
-        break;
-    default:
-        /* Avoid gcc warning */
-        ret = 0;
-        break;
-    }
-
-    return ret;
-}
-
-static void dcr_write_pob(void *opaque, int dcrn, uint32_t val)
-{
-    Ppc405PobState *pob = opaque;
-
-    switch (dcrn) {
-    case POB0_BEAR:
-        /* Read only */
-        break;
-    case POB0_BESR0:
-        /* Write-clear */
-        pob->besr0 &= ~val;
-        break;
-    case POB0_BESR1:
-        /* Write-clear */
-        pob->besr1 &= ~val;
-        break;
-    }
-}
-
-static void ppc405_pob_reset(DeviceState *dev)
-{
-    Ppc405PobState *pob = PPC405_POB(dev);
-
-    /* No error */
-    pob->bear = 0x00000000;
-    pob->besr0 = 0x0000000;
-    pob->besr1 = 0x0000000;
-}
-
-static void ppc405_pob_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405PobState *pob = PPC405_POB(dev);
-    Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
-
-    ppc4xx_dcr_register(dcr, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
-    ppc4xx_dcr_register(dcr, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
-    ppc4xx_dcr_register(dcr, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
-}
-
-static void ppc405_pob_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_pob_realize;
-    device_class_set_legacy_reset(dc, ppc405_pob_reset);
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-}
-
-/*****************************************************************************/
-/* OPB arbitrer */
-static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size)
-{
-    Ppc405OpbaState *opba = opaque;
-    uint32_t ret;
-
-    switch (addr) {
-    case 0x00:
-        ret = opba->cr;
-        break;
-    case 0x01:
-        ret = opba->pr;
-        break;
-    default:
-        ret = 0x00;
-        break;
-    }
-
-    trace_opba_readb(addr, ret);
-    return ret;
-}
-
-static void opba_writeb(void *opaque, hwaddr addr, uint64_t value,
-                        unsigned size)
-{
-    Ppc405OpbaState *opba = opaque;
-
-    trace_opba_writeb(addr, value);
-
-    switch (addr) {
-    case 0x00:
-        opba->cr = value & 0xF8;
-        break;
-    case 0x01:
-        opba->pr = value & 0xFF;
-        break;
-    default:
-        break;
-    }
-}
-static const MemoryRegionOps opba_ops = {
-    .read = opba_readb,
-    .write = opba_writeb,
-    .impl.min_access_size = 1,
-    .impl.max_access_size = 1,
-    .valid.min_access_size = 1,
-    .valid.max_access_size = 4,
-    .endianness = DEVICE_BIG_ENDIAN,
-};
-
-static void ppc405_opba_reset(DeviceState *dev)
-{
-    Ppc405OpbaState *opba = PPC405_OPBA(dev);
-
-    opba->cr = 0x00; /* No dynamic priorities - park disabled */
-    opba->pr = 0x11;
-}
-
-static void ppc405_opba_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405OpbaState *s = PPC405_OPBA(dev);
-
-    memory_region_init_io(&s->io, OBJECT(s), &opba_ops, s, "opba", 2);
-    sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->io);
-}
-
-static void ppc405_opba_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_opba_realize;
-    device_class_set_legacy_reset(dc, ppc405_opba_reset);
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-}
-
-/*****************************************************************************/
-/* Code decompression controller */
-/* XXX: TODO */
-
-/*****************************************************************************/
-/* DMA controller */
-enum {
-    DMA0_CR0 = 0x100,
-    DMA0_CT0 = 0x101,
-    DMA0_DA0 = 0x102,
-    DMA0_SA0 = 0x103,
-    DMA0_SG0 = 0x104,
-    DMA0_CR1 = 0x108,
-    DMA0_CT1 = 0x109,
-    DMA0_DA1 = 0x10A,
-    DMA0_SA1 = 0x10B,
-    DMA0_SG1 = 0x10C,
-    DMA0_CR2 = 0x110,
-    DMA0_CT2 = 0x111,
-    DMA0_DA2 = 0x112,
-    DMA0_SA2 = 0x113,
-    DMA0_SG2 = 0x114,
-    DMA0_CR3 = 0x118,
-    DMA0_CT3 = 0x119,
-    DMA0_DA3 = 0x11A,
-    DMA0_SA3 = 0x11B,
-    DMA0_SG3 = 0x11C,
-    DMA0_SR  = 0x120,
-    DMA0_SGC = 0x123,
-    DMA0_SLP = 0x125,
-    DMA0_POL = 0x126,
-};
-
-static uint32_t dcr_read_dma(void *opaque, int dcrn)
-{
-    return 0;
-}
-
-static void dcr_write_dma(void *opaque, int dcrn, uint32_t val)
-{
-}
-
-static void ppc405_dma_reset(DeviceState *dev)
-{
-    Ppc405DmaState *dma = PPC405_DMA(dev);
-    int i;
-
-    for (i = 0; i < 4; i++) {
-        dma->cr[i] = 0x00000000;
-        dma->ct[i] = 0x00000000;
-        dma->da[i] = 0x00000000;
-        dma->sa[i] = 0x00000000;
-        dma->sg[i] = 0x00000000;
-    }
-    dma->sr = 0x00000000;
-    dma->sgc = 0x00000000;
-    dma->slp = 0x7C000000;
-    dma->pol = 0x00000000;
-}
-
-static void ppc405_dma_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405DmaState *dma = PPC405_DMA(dev);
-    Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
-    int i;
-
-    for (i = 0; i < ARRAY_SIZE(dma->irqs); i++) {
-        sysbus_init_irq(SYS_BUS_DEVICE(dma), &dma->irqs[i]);
-    }
-
-    ppc4xx_dcr_register(dcr, DMA0_CR0, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CT0, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_DA0, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SA0, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SG0, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CR1, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CT1, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_DA1, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SA1, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SG1, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CR2, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CT2, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_DA2, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SA2, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SG2, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CR3, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_CT3, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_DA3, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SA3, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SG3, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SR,  dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SGC, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_SLP, dma, &dcr_read_dma, &dcr_write_dma);
-    ppc4xx_dcr_register(dcr, DMA0_POL, dma, &dcr_read_dma, &dcr_write_dma);
-}
-
-static void ppc405_dma_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_dma_realize;
-    device_class_set_legacy_reset(dc, ppc405_dma_reset);
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-}
-
-/*****************************************************************************/
-/* GPIO */
-static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size)
-{
-    trace_ppc405_gpio_read(addr, size);
-    return 0;
-}
-
-static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value,
-                              unsigned size)
-{
-    trace_ppc405_gpio_write(addr, size, value);
-}
-
-static const MemoryRegionOps ppc405_gpio_ops = {
-    .read = ppc405_gpio_read,
-    .write = ppc405_gpio_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc405_gpio_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405GpioState *s = PPC405_GPIO(dev);
-
-    memory_region_init_io(&s->io, OBJECT(s), &ppc405_gpio_ops, s, "gpio",
-                          0x38);
-    sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->io);
-}
-
-static void ppc405_gpio_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_gpio_realize;
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-}
-
-/*****************************************************************************/
-/* On Chip Memory */
-enum {
-    OCM0_ISARC   = 0x018,
-    OCM0_ISACNTL = 0x019,
-    OCM0_DSARC   = 0x01A,
-    OCM0_DSACNTL = 0x01B,
-};
-
-static void ocm_update_mappings(Ppc405OcmState *ocm,
-                                uint32_t isarc, uint32_t isacntl,
-                                uint32_t dsarc, uint32_t dsacntl)
-{
-    trace_ocm_update_mappings(isarc, isacntl, dsarc, dsacntl, ocm->isarc,
-                              ocm->isacntl, ocm->dsarc, ocm->dsacntl);
-
-    if (ocm->isarc != isarc ||
-        (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
-        if (ocm->isacntl & 0x80000000) {
-            /* Unmap previously assigned memory region */
-            trace_ocm_unmap("ISA", ocm->isarc);
-            memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
-        }
-        if (isacntl & 0x80000000) {
-            /* Map new instruction memory region */
-            trace_ocm_map("ISA", isarc);
-            memory_region_add_subregion(get_system_memory(), isarc,
-                                        &ocm->isarc_ram);
-        }
-    }
-    if (ocm->dsarc != dsarc ||
-        (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
-        if (ocm->dsacntl & 0x80000000) {
-            /* Beware not to unmap the region we just mapped */
-            if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
-                /* Unmap previously assigned memory region */
-                trace_ocm_unmap("DSA", ocm->dsarc);
-                memory_region_del_subregion(get_system_memory(),
-                                            &ocm->dsarc_ram);
-            }
-        }
-        if (dsacntl & 0x80000000) {
-            /* Beware not to remap the region we just mapped */
-            if (!(isacntl & 0x80000000) || dsarc != isarc) {
-                /* Map new data memory region */
-                trace_ocm_map("DSA", dsarc);
-                memory_region_add_subregion(get_system_memory(), dsarc,
-                                            &ocm->dsarc_ram);
-            }
-        }
-    }
-}
-
-static uint32_t dcr_read_ocm(void *opaque, int dcrn)
-{
-    Ppc405OcmState *ocm = opaque;
-    uint32_t ret;
-
-    switch (dcrn) {
-    case OCM0_ISARC:
-        ret = ocm->isarc;
-        break;
-    case OCM0_ISACNTL:
-        ret = ocm->isacntl;
-        break;
-    case OCM0_DSARC:
-        ret = ocm->dsarc;
-        break;
-    case OCM0_DSACNTL:
-        ret = ocm->dsacntl;
-        break;
-    default:
-        ret = 0;
-        break;
-    }
-
-    return ret;
-}
-
-static void dcr_write_ocm(void *opaque, int dcrn, uint32_t val)
-{
-    Ppc405OcmState *ocm = opaque;
-    uint32_t isarc, dsarc, isacntl, dsacntl;
-
-    isarc = ocm->isarc;
-    dsarc = ocm->dsarc;
-    isacntl = ocm->isacntl;
-    dsacntl = ocm->dsacntl;
-    switch (dcrn) {
-    case OCM0_ISARC:
-        isarc = val & 0xFC000000;
-        break;
-    case OCM0_ISACNTL:
-        isacntl = val & 0xC0000000;
-        break;
-    case OCM0_DSARC:
-        isarc = val & 0xFC000000;
-        break;
-    case OCM0_DSACNTL:
-        isacntl = val & 0xC0000000;
-        break;
-    }
-    ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
-    ocm->isarc = isarc;
-    ocm->dsarc = dsarc;
-    ocm->isacntl = isacntl;
-    ocm->dsacntl = dsacntl;
-}
-
-static void ppc405_ocm_reset(DeviceState *dev)
-{
-    Ppc405OcmState *ocm = PPC405_OCM(dev);
-    uint32_t isarc, dsarc, isacntl, dsacntl;
-
-    isarc = 0x00000000;
-    isacntl = 0x00000000;
-    dsarc = 0x00000000;
-    dsacntl = 0x00000000;
-    ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
-    ocm->isarc = isarc;
-    ocm->dsarc = dsarc;
-    ocm->isacntl = isacntl;
-    ocm->dsacntl = dsacntl;
-}
-
-static void ppc405_ocm_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405OcmState *ocm = PPC405_OCM(dev);
-    Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
-
-    /* XXX: Size is 4096 or 0x04000000 */
-    memory_region_init_ram(&ocm->isarc_ram, OBJECT(ocm), "ppc405.ocm", 4 * KiB,
-                           &error_fatal);
-    memory_region_init_alias(&ocm->dsarc_ram, OBJECT(ocm), "ppc405.dsarc",
-                             &ocm->isarc_ram, 0, 4 * KiB);
-
-    ppc4xx_dcr_register(dcr, OCM0_ISARC, ocm, &dcr_read_ocm, &dcr_write_ocm);
-    ppc4xx_dcr_register(dcr, OCM0_ISACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm);
-    ppc4xx_dcr_register(dcr, OCM0_DSARC, ocm, &dcr_read_ocm, &dcr_write_ocm);
-    ppc4xx_dcr_register(dcr, OCM0_DSACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm);
-}
-
-static void ppc405_ocm_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_ocm_realize;
-    device_class_set_legacy_reset(dc, ppc405_ocm_reset);
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-}
-
-/*****************************************************************************/
-/* General purpose timers */
-static int ppc4xx_gpt_compare(Ppc405GptState *gpt, int n)
-{
-    /* XXX: TODO */
-    return 0;
-}
-
-static void ppc4xx_gpt_set_output(Ppc405GptState *gpt, int n, int level)
-{
-    /* XXX: TODO */
-}
-
-static void ppc4xx_gpt_set_outputs(Ppc405GptState *gpt)
-{
-    uint32_t mask;
-    int i;
-
-    mask = 0x80000000;
-    for (i = 0; i < 5; i++) {
-        if (gpt->oe & mask) {
-            /* Output is enabled */
-            if (ppc4xx_gpt_compare(gpt, i)) {
-                /* Comparison is OK */
-                ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
-            } else {
-                /* Comparison is KO */
-                ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
-            }
-        }
-        mask = mask >> 1;
-    }
-}
-
-static void ppc4xx_gpt_set_irqs(Ppc405GptState *gpt)
-{
-    uint32_t mask;
-    int i;
-
-    mask = 0x00008000;
-    for (i = 0; i < 5; i++) {
-        if (gpt->is & gpt->im & mask) {
-            qemu_irq_raise(gpt->irqs[i]);
-        } else {
-            qemu_irq_lower(gpt->irqs[i]);
-        }
-        mask = mask >> 1;
-    }
-}
-
-static void ppc4xx_gpt_compute_timer(Ppc405GptState *gpt)
-{
-    /* XXX: TODO */
-}
-
-static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size)
-{
-    Ppc405GptState *gpt = opaque;
-    uint32_t ret;
-    int idx;
-
-    trace_ppc4xx_gpt_read(addr, size);
-
-    switch (addr) {
-    case 0x00:
-        /* Time base counter */
-        ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
-                       gpt->tb_freq, NANOSECONDS_PER_SECOND);
-        break;
-    case 0x10:
-        /* Output enable */
-        ret = gpt->oe;
-        break;
-    case 0x14:
-        /* Output level */
-        ret = gpt->ol;
-        break;
-    case 0x18:
-        /* Interrupt mask */
-        ret = gpt->im;
-        break;
-    case 0x1C:
-    case 0x20:
-        /* Interrupt status */
-        ret = gpt->is;
-        break;
-    case 0x24:
-        /* Interrupt enable */
-        ret = gpt->ie;
-        break;
-    case 0x80 ... 0x90:
-        /* Compare timer */
-        idx = (addr - 0x80) >> 2;
-        ret = gpt->comp[idx];
-        break;
-    case 0xC0 ... 0xD0:
-        /* Compare mask */
-        idx = (addr - 0xC0) >> 2;
-        ret = gpt->mask[idx];
-        break;
-    default:
-        ret = -1;
-        break;
-    }
-
-    return ret;
-}
-
-static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value,
-                             unsigned size)
-{
-    Ppc405GptState *gpt = opaque;
-    int idx;
-
-    trace_ppc4xx_gpt_write(addr, size, value);
-
-    switch (addr) {
-    case 0x00:
-        /* Time base counter */
-        gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
-            - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-        ppc4xx_gpt_compute_timer(gpt);
-        break;
-    case 0x10:
-        /* Output enable */
-        gpt->oe = value & 0xF8000000;
-        ppc4xx_gpt_set_outputs(gpt);
-        break;
-    case 0x14:
-        /* Output level */
-        gpt->ol = value & 0xF8000000;
-        ppc4xx_gpt_set_outputs(gpt);
-        break;
-    case 0x18:
-        /* Interrupt mask */
-        gpt->im = value & 0x0000F800;
-        break;
-    case 0x1C:
-        /* Interrupt status set */
-        gpt->is |= value & 0x0000F800;
-        ppc4xx_gpt_set_irqs(gpt);
-        break;
-    case 0x20:
-        /* Interrupt status clear */
-        gpt->is &= ~(value & 0x0000F800);
-        ppc4xx_gpt_set_irqs(gpt);
-        break;
-    case 0x24:
-        /* Interrupt enable */
-        gpt->ie = value & 0x0000F800;
-        ppc4xx_gpt_set_irqs(gpt);
-        break;
-    case 0x80 ... 0x90:
-        /* Compare timer */
-        idx = (addr - 0x80) >> 2;
-        gpt->comp[idx] = value & 0xF8000000;
-        ppc4xx_gpt_compute_timer(gpt);
-        break;
-    case 0xC0 ... 0xD0:
-        /* Compare mask */
-        idx = (addr - 0xC0) >> 2;
-        gpt->mask[idx] = value & 0xF8000000;
-        ppc4xx_gpt_compute_timer(gpt);
-        break;
-    }
-}
-
-static const MemoryRegionOps gpt_ops = {
-    .read = ppc4xx_gpt_read,
-    .write = ppc4xx_gpt_write,
-    .valid.min_access_size = 4,
-    .valid.max_access_size = 4,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc4xx_gpt_cb(void *opaque)
-{
-    Ppc405GptState *gpt = opaque;
-
-    ppc4xx_gpt_set_irqs(gpt);
-    ppc4xx_gpt_set_outputs(gpt);
-    ppc4xx_gpt_compute_timer(gpt);
-}
-
-static void ppc405_gpt_reset(DeviceState *dev)
-{
-    Ppc405GptState *gpt = PPC405_GPT(dev);
-    int i;
-
-    timer_del(gpt->timer);
-    gpt->oe = 0x00000000;
-    gpt->ol = 0x00000000;
-    gpt->im = 0x00000000;
-    gpt->is = 0x00000000;
-    gpt->ie = 0x00000000;
-    for (i = 0; i < 5; i++) {
-        gpt->comp[i] = 0x00000000;
-        gpt->mask[i] = 0x00000000;
-    }
-}
-
-static void ppc405_gpt_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405GptState *s = PPC405_GPT(dev);
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-    int i;
-
-    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, s);
-    memory_region_init_io(&s->iomem, OBJECT(s), &gpt_ops, s, "gpt", 0xd4);
-    sysbus_init_mmio(sbd, &s->iomem);
-
-    for (i = 0; i < ARRAY_SIZE(s->irqs); i++) {
-        sysbus_init_irq(sbd, &s->irqs[i]);
-    }
-}
-
-static void ppc405_gpt_finalize(Object *obj)
-{
-    /* timer will be NULL if the GPT wasn't realized */
-    if (PPC405_GPT(obj)->timer) {
-        timer_del(PPC405_GPT(obj)->timer);
-    }
-}
-
-static void ppc405_gpt_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_gpt_realize;
-    device_class_set_legacy_reset(dc, ppc405_gpt_reset);
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-}
-
-/*****************************************************************************/
-/* PowerPC 405EP */
-/* CPU control */
-enum {
-    PPC405EP_CPC0_PLLMR0 = 0x0F0,
-    PPC405EP_CPC0_BOOT   = 0x0F1,
-    PPC405EP_CPC0_EPCTL  = 0x0F3,
-    PPC405EP_CPC0_PLLMR1 = 0x0F4,
-    PPC405EP_CPC0_UCR    = 0x0F5,
-    PPC405EP_CPC0_SRR    = 0x0F6,
-    PPC405EP_CPC0_JTAGID = 0x0F7,
-    PPC405EP_CPC0_PCI    = 0x0F9,
-#if 0
-    PPC405EP_CPC0_ER     = xxx,
-    PPC405EP_CPC0_FR     = xxx,
-    PPC405EP_CPC0_SR     = xxx,
-#endif
-};
-
-static void ppc405ep_compute_clocks(Ppc405CpcState *cpc)
-{
-    uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
-    uint32_t UART0_clk, UART1_clk;
-    uint64_t VCO_out, PLL_out;
-    int M, D;
-
-    VCO_out = 0;
-    if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
-        M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
-        trace_ppc405ep_clocks_compute("FBMUL", (cpc->pllmr[1] >> 20) & 0xF, M);
-        D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
-        trace_ppc405ep_clocks_compute("FWDA", (cpc->pllmr[1] >> 16) & 0x7, D);
-        VCO_out = (uint64_t)cpc->sysclk * M * D;
-        if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
-            /* Error - unlock the PLL */
-            qemu_log_mask(LOG_GUEST_ERROR, "VCO out of range %" PRIu64 "\n",
-                          VCO_out);
-#if 0
-            cpc->pllmr[1] &= ~0x80000000;
-            goto pll_bypass;
-#endif
-        }
-        PLL_out = VCO_out / D;
-        /* Pretend the PLL is locked */
-        cpc->boot |= 0x00000001;
-    } else {
-#if 0
-    pll_bypass:
-#endif
-        PLL_out = cpc->sysclk;
-        if (cpc->pllmr[1] & 0x40000000) {
-            /* Pretend the PLL is not locked */
-            cpc->boot &= ~0x00000001;
-        }
-    }
-    /* Now, compute all other clocks */
-    D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
-     trace_ppc405ep_clocks_compute("CCDV", (cpc->pllmr[0] >> 20) & 0x3, D);
-    CPU_clk = PLL_out / D;
-    D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
-    trace_ppc405ep_clocks_compute("CBDV", (cpc->pllmr[0] >> 16) & 0x3, D);
-    PLB_clk = CPU_clk / D;
-    D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
-    trace_ppc405ep_clocks_compute("OPDV", (cpc->pllmr[0] >> 12) & 0x3, D);
-    OPB_clk = PLB_clk / D;
-    D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
-    trace_ppc405ep_clocks_compute("EPDV", (cpc->pllmr[0] >> 8) & 0x3, D);
-    EBC_clk = PLB_clk / D;
-    D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
-    trace_ppc405ep_clocks_compute("MPDV", (cpc->pllmr[0] >> 4) & 0x3, D);
-    MAL_clk = PLB_clk / D;
-    D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
-    trace_ppc405ep_clocks_compute("PPDV", cpc->pllmr[0] & 0x3, D);
-    PCI_clk = PLB_clk / D;
-    D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
-    trace_ppc405ep_clocks_compute("U0DIV", cpc->ucr & 0x7F, D);
-    UART0_clk = PLL_out / D;
-    D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
-    trace_ppc405ep_clocks_compute("U1DIV", (cpc->ucr >> 8) & 0x7F, D);
-    UART1_clk = PLL_out / D;
-
-    if (trace_event_get_state_backends(TRACE_PPC405EP_CLOCKS_SETUP)) {
-        g_autofree char *trace = g_strdup_printf(
-            "Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
-            " PLL out %" PRIu64 " Hz\n"
-            "CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
-            " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
-            " UART1 %" PRIu32 "\n",
-            cpc->sysclk, VCO_out, PLL_out,
-            CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
-            UART0_clk, UART1_clk);
-        trace_ppc405ep_clocks_setup(trace);
-    }
-
-    /* Setup CPU clocks */
-    clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
-    /* Setup PLB clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
-    /* Setup OPB clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
-    /* Setup external clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
-    /* Setup MAL clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
-    /* Setup PCI clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
-    /* Setup UART0 clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
-    /* Setup UART1 clock */
-    clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
-}
-
-static uint32_t dcr_read_epcpc(void *opaque, int dcrn)
-{
-    Ppc405CpcState *cpc = opaque;
-    uint32_t ret;
-
-    switch (dcrn) {
-    case PPC405EP_CPC0_BOOT:
-        ret = cpc->boot;
-        break;
-    case PPC405EP_CPC0_EPCTL:
-        ret = cpc->epctl;
-        break;
-    case PPC405EP_CPC0_PLLMR0:
-        ret = cpc->pllmr[0];
-        break;
-    case PPC405EP_CPC0_PLLMR1:
-        ret = cpc->pllmr[1];
-        break;
-    case PPC405EP_CPC0_UCR:
-        ret = cpc->ucr;
-        break;
-    case PPC405EP_CPC0_SRR:
-        ret = cpc->srr;
-        break;
-    case PPC405EP_CPC0_JTAGID:
-        ret = cpc->jtagid;
-        break;
-    case PPC405EP_CPC0_PCI:
-        ret = cpc->pci;
-        break;
-    default:
-        /* Avoid gcc warning */
-        ret = 0;
-        break;
-    }
-
-    return ret;
-}
-
-static void dcr_write_epcpc(void *opaque, int dcrn, uint32_t val)
-{
-    Ppc405CpcState *cpc = opaque;
-
-    switch (dcrn) {
-    case PPC405EP_CPC0_BOOT:
-        /* Read-only register */
-        break;
-    case PPC405EP_CPC0_EPCTL:
-        /* Don't care for now */
-        cpc->epctl = val & 0xC00000F3;
-        break;
-    case PPC405EP_CPC0_PLLMR0:
-        cpc->pllmr[0] = val & 0x00633333;
-        ppc405ep_compute_clocks(cpc);
-        break;
-    case PPC405EP_CPC0_PLLMR1:
-        cpc->pllmr[1] = val & 0xC0F73FFF;
-        ppc405ep_compute_clocks(cpc);
-        break;
-    case PPC405EP_CPC0_UCR:
-        /* UART control - don't care for now */
-        cpc->ucr = val & 0x003F7F7F;
-        break;
-    case PPC405EP_CPC0_SRR:
-        cpc->srr = val;
-        break;
-    case PPC405EP_CPC0_JTAGID:
-        /* Read-only */
-        break;
-    case PPC405EP_CPC0_PCI:
-        cpc->pci = val;
-        break;
-    }
-}
-
-static void ppc405_cpc_reset(DeviceState *dev)
-{
-    Ppc405CpcState *cpc = PPC405_CPC(dev);
-
-    cpc->boot = 0x00000010;     /* Boot from PCI - IIC EEPROM disabled */
-    cpc->epctl = 0x00000000;
-    cpc->pllmr[0] = 0x00021002;
-    cpc->pllmr[1] = 0x80a552be;
-    cpc->ucr = 0x00004646;
-    cpc->srr = 0x00040000;
-    cpc->pci = 0x00000000;
-    cpc->er = 0x00000000;
-    cpc->fr = 0x00000000;
-    cpc->sr = 0x00000000;
-    cpc->jtagid = 0x20267049;
-    ppc405ep_compute_clocks(cpc);
-}
-
-/* XXX: sysclk should be between 25 and 100 MHz */
-static void ppc405_cpc_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405CpcState *cpc = PPC405_CPC(dev);
-    Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
-
-    assert(dcr->cpu);
-    cpc->clk_setup[PPC405EP_CPU_CLK].cb =
-        ppc_40x_timers_init(&dcr->cpu->env, cpc->sysclk, PPC_INTERRUPT_PIT);
-    cpc->clk_setup[PPC405EP_CPU_CLK].opaque = &dcr->cpu->env;
-
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_BOOT, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_EPCTL, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR0, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR1, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_UCR, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_SRR, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_JTAGID, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-    ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PCI, cpc,
-                        &dcr_read_epcpc, &dcr_write_epcpc);
-}
-
-static const Property ppc405_cpc_properties[] = {
-    DEFINE_PROP_UINT32("sys-clk", Ppc405CpcState, sysclk, 0),
-};
-
-static void ppc405_cpc_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_cpc_realize;
-    device_class_set_legacy_reset(dc, ppc405_cpc_reset);
-    /* Reason: only works as function of a ppc4xx SoC */
-    dc->user_creatable = false;
-    device_class_set_props(dc, ppc405_cpc_properties);
-}
-
-/* PPC405_SOC */
-
-static void ppc405_soc_instance_init(Object *obj)
-{
-    Ppc405SoCState *s = PPC405_SOC(obj);
-
-    object_initialize_child(obj, "cpu", &s->cpu,
-                            POWERPC_CPU_TYPE_NAME("405ep"));
-
-    object_initialize_child(obj, "uic", &s->uic, TYPE_PPC_UIC);
-
-    object_initialize_child(obj, "cpc", &s->cpc, TYPE_PPC405_CPC);
-    object_property_add_alias(obj, "sys-clk", OBJECT(&s->cpc), "sys-clk");
-
-    object_initialize_child(obj, "gpt", &s->gpt, TYPE_PPC405_GPT);
-
-    object_initialize_child(obj, "ocm", &s->ocm, TYPE_PPC405_OCM);
-
-    object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO);
-
-    object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA);
-
-    object_initialize_child(obj, "i2c", &s->i2c, TYPE_PPC4xx_I2C);
-
-    object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC4xx_EBC);
-
-    object_initialize_child(obj, "opba", &s->opba, TYPE_PPC405_OPBA);
-
-    object_initialize_child(obj, "pob", &s->pob, TYPE_PPC405_POB);
-
-    object_initialize_child(obj, "plb", &s->plb, TYPE_PPC4xx_PLB);
-
-    object_initialize_child(obj, "mal", &s->mal, TYPE_PPC4xx_MAL);
-
-    object_initialize_child(obj, "sdram", &s->sdram, TYPE_PPC4xx_SDRAM_DDR);
-    object_property_add_alias(obj, "dram", OBJECT(&s->sdram), "dram");
-}
-
-static void ppc405_reset(void *opaque)
-{
-    cpu_reset(CPU(opaque));
-}
-
-static void ppc405_soc_realize(DeviceState *dev, Error **errp)
-{
-    Ppc405SoCState *s = PPC405_SOC(dev);
-    CPUPPCState *env;
-    SysBusDevice *sbd;
-    int i;
-
-    /* init CPUs */
-    if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) {
-        return;
-    }
-    qemu_register_reset(ppc405_reset, &s->cpu);
-
-    env = &s->cpu.env;
-
-    ppc_dcr_init(env, NULL, NULL);
-
-    /* CPU control */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->cpc), &s->cpu, errp)) {
-        return;
-    }
-
-    /* PLB arbitrer */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->plb), &s->cpu, errp)) {
-        return;
-    }
-
-    /* PLB to OPB bridge */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->pob), &s->cpu, errp)) {
-        return;
-    }
-
-    /* OBP arbitrer */
-    sbd = SYS_BUS_DEVICE(&s->opba);
-    if (!sysbus_realize(sbd, errp)) {
-        return;
-    }
-    sysbus_mmio_map(sbd, 0, 0xef600600);
-
-    /* Universal interrupt controller */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->uic), &s->cpu, errp)) {
-        return;
-    }
-    sbd = SYS_BUS_DEVICE(&s->uic);
-    sysbus_connect_irq(sbd, PPCUIC_OUTPUT_INT,
-                       qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_INT));
-    sysbus_connect_irq(sbd, PPCUIC_OUTPUT_CINT,
-                       qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_CINT));
-
-    /* SDRAM controller */
-    /*
-     * We use the 440 DDR SDRAM controller which has more regs and features
-     * but it's compatible enough for now
-     */
-    object_property_set_int(OBJECT(&s->sdram), "nbanks", 2, &error_abort);
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->sdram), &s->cpu, errp)) {
-        return;
-    }
-    /* XXX 405EP has no ECC interrupt */
-    sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdram), 0,
-                       qdev_get_gpio_in(DEVICE(&s->uic), 17));
-
-    /* External bus controller */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ebc), &s->cpu, errp)) {
-        return;
-    }
-
-    /* DMA controller */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->dma), &s->cpu, errp)) {
-        return;
-    }
-    sbd = SYS_BUS_DEVICE(&s->dma);
-    for (i = 0; i < ARRAY_SIZE(s->dma.irqs); i++) {
-        sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 5 + i));
-    }
-
-    /* I2C controller */
-    sbd = SYS_BUS_DEVICE(&s->i2c);
-    if (!sysbus_realize(sbd, errp)) {
-        return;
-    }
-    sysbus_mmio_map(sbd, 0, 0xef600500);
-    sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(DEVICE(&s->uic), 2));
-
-    /* GPIO */
-    sbd = SYS_BUS_DEVICE(&s->gpio);
-    if (!sysbus_realize(sbd, errp)) {
-        return;
-    }
-    sysbus_mmio_map(sbd, 0, 0xef600700);
-
-    /* Serial ports */
-    if (serial_hd(0) != NULL) {
-        serial_mm_init(get_system_memory(), 0xef600300, 0,
-                       qdev_get_gpio_in(DEVICE(&s->uic), 0),
-                       PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
-                       DEVICE_BIG_ENDIAN);
-    }
-    if (serial_hd(1) != NULL) {
-        serial_mm_init(get_system_memory(), 0xef600400, 0,
-                       qdev_get_gpio_in(DEVICE(&s->uic), 1),
-                       PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
-                       DEVICE_BIG_ENDIAN);
-    }
-
-    /* OCM */
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ocm), &s->cpu, errp)) {
-        return;
-    }
-
-    /* GPT */
-    sbd = SYS_BUS_DEVICE(&s->gpt);
-    if (!sysbus_realize(sbd, errp)) {
-        return;
-    }
-    sysbus_mmio_map(sbd, 0, 0xef600000);
-    for (i = 0; i < ARRAY_SIZE(s->gpt.irqs); i++) {
-        sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 19 + i));
-    }
-
-    /* MAL */
-    object_property_set_int(OBJECT(&s->mal), "txc-num", 4, &error_abort);
-    object_property_set_int(OBJECT(&s->mal), "rxc-num", 2, &error_abort);
-    if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->mal), &s->cpu, errp)) {
-        return;
-    }
-    sbd = SYS_BUS_DEVICE(&s->mal);
-    for (i = 0; i < ARRAY_SIZE(s->mal.irqs); i++) {
-        sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 11 + i));
-    }
-
-    /* Ethernet */
-    /* Uses UIC IRQs 9, 15, 17 */
-}
-
-static void ppc405_soc_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-
-    dc->realize = ppc405_soc_realize;
-    /* Reason: only works as part of a ppc405 board/machine */
-    dc->user_creatable = false;
-}
-
-static const TypeInfo ppc405_types[] = {
-    {
-        .name           = TYPE_PPC405_POB,
-        .parent         = TYPE_PPC4xx_DCR_DEVICE,
-        .instance_size  = sizeof(Ppc405PobState),
-        .class_init     = ppc405_pob_class_init,
-    }, {
-        .name           = TYPE_PPC405_OPBA,
-        .parent         = TYPE_SYS_BUS_DEVICE,
-        .instance_size  = sizeof(Ppc405OpbaState),
-        .class_init     = ppc405_opba_class_init,
-    }, {
-        .name           = TYPE_PPC405_DMA,
-        .parent         = TYPE_PPC4xx_DCR_DEVICE,
-        .instance_size  = sizeof(Ppc405DmaState),
-        .class_init     = ppc405_dma_class_init,
-    }, {
-        .name           = TYPE_PPC405_GPIO,
-        .parent         = TYPE_SYS_BUS_DEVICE,
-        .instance_size  = sizeof(Ppc405GpioState),
-        .class_init     = ppc405_gpio_class_init,
-    }, {
-        .name           = TYPE_PPC405_OCM,
-        .parent         = TYPE_PPC4xx_DCR_DEVICE,
-        .instance_size  = sizeof(Ppc405OcmState),
-        .class_init     = ppc405_ocm_class_init,
-    }, {
-        .name           = TYPE_PPC405_GPT,
-        .parent         = TYPE_SYS_BUS_DEVICE,
-        .instance_size  = sizeof(Ppc405GptState),
-        .instance_finalize = ppc405_gpt_finalize,
-        .class_init     = ppc405_gpt_class_init,
-    }, {
-        .name           = TYPE_PPC405_CPC,
-        .parent         = TYPE_PPC4xx_DCR_DEVICE,
-        .instance_size  = sizeof(Ppc405CpcState),
-        .class_init     = ppc405_cpc_class_init,
-    }, {
-        .name           = TYPE_PPC405_SOC,
-        .parent         = TYPE_DEVICE,
-        .instance_size  = sizeof(Ppc405SoCState),
-        .instance_init  = ppc405_soc_instance_init,
-        .class_init     = ppc405_soc_class_init,
-    }
-};
-
-DEFINE_TYPES(ppc405_types)