286226a479
This implements the prescaler and source fields of the timer control register. The source for each timer can be selected among 4 clock inputs whose frequencies are set through model properties. Signed-off-by: Beniamino Galvani <b.galvani@gmail.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1395771730-16882-6-git-send-email-b.galvani@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
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* cubieboard emulation
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*
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* Copyright (C) 2013 Li Guang
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* Written by Li Guang <lig.fnst@cn.fujitsu.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "hw/sysbus.h"
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#include "hw/devices.h"
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#include "hw/boards.h"
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#include "hw/arm/allwinner-a10.h"
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static struct arm_boot_info cubieboard_binfo = {
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.loader_start = AW_A10_SDRAM_BASE,
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.board_id = 0x1008,
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};
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typedef struct CubieBoardState {
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AwA10State *a10;
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MemoryRegion sdram;
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} CubieBoardState;
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static void cubieboard_init(QEMUMachineInitArgs *args)
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{
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CubieBoardState *s = g_new(CubieBoardState, 1);
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Error *err = NULL;
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s->a10 = AW_A10(object_new(TYPE_AW_A10));
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object_property_set_int(OBJECT(&s->a10->emac), 1, "phy-addr", &err);
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if (err != NULL) {
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error_report("Couldn't set phy address: %s", error_get_pretty(err));
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exit(1);
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}
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object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err);
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if (err != NULL) {
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error_report("Couldn't set clk0 frequency: %s", error_get_pretty(err));
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exit(1);
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}
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object_property_set_int(OBJECT(&s->a10->timer), 24000000, "clk1-freq",
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&err);
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if (err != NULL) {
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error_report("Couldn't set clk1 frequency: %s", error_get_pretty(err));
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exit(1);
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}
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object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
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if (err != NULL) {
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error_report("Couldn't realize Allwinner A10: %s",
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error_get_pretty(err));
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exit(1);
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}
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memory_region_init_ram(&s->sdram, NULL, "cubieboard.ram", args->ram_size);
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vmstate_register_ram_global(&s->sdram);
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memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
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&s->sdram);
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cubieboard_binfo.ram_size = args->ram_size;
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cubieboard_binfo.kernel_filename = args->kernel_filename;
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cubieboard_binfo.kernel_cmdline = args->kernel_cmdline;
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arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
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}
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static QEMUMachine cubieboard_machine = {
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.name = "cubieboard",
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.desc = "cubietech cubieboard",
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.init = cubieboard_init,
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};
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static void cubieboard_machine_init(void)
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{
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qemu_register_machine(&cubieboard_machine);
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}
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machine_init(cubieboard_machine_init)
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