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arm/versatilepb: use memdev for RAM 

memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
  MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200219160953.13771-32-imammedo@redhat.com>
This commit is contained in:
Igor Mammedov 2020-02-19 11:09:05 -05:00 committed by Patchew Importer
parent 3818ed92dc
commit 6cf41f5586
1 changed files with 3 additions and 4 deletions
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7
hw/arm/versatilepb.c
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@ -184,7 +184,6 @@ static void versatile_init(MachineState *machine, int board_id)
Object *cpuobj;
ARMCPU *cpu;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
qemu_irq pic[32];
qemu_irq sic[32];
DeviceState *dev, *sysctl;
@ -220,11 +219,9 @@ static void versatile_init(MachineState *machine, int board_id)
cpu = ARM_CPU(cpuobj);
memory_region_allocate_system_memory(ram, NULL, "versatile.ram",
machine->ram_size);
/* ??? RAM should repeat to fill physical memory space. */
/* SDRAM at address zero. */
memory_region_add_subregion(sysmem, 0, ram);
memory_region_add_subregion(sysmem, 0, machine->ram);
sysctl = qdev_create(NULL, "realview_sysctl");
qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004);
@ -398,6 +395,7 @@ static void versatilepb_class_init(ObjectClass *oc, void *data)
mc->block_default_type = IF_SCSI;
mc->ignore_memory_transaction_failures = true;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
mc->default_ram_id = "versatile.ram";
}
static const TypeInfo versatilepb_type = {
@ -415,6 +413,7 @@ static void versatileab_class_init(ObjectClass *oc, void *data)
mc->block_default_type = IF_SCSI;
mc->ignore_memory_transaction_failures = true;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
mc->default_ram_id = "versatile.ram";
}
static const TypeInfo versatileab_type = {