71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* Emma Mobile EV2 processor support
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*
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* Copyright (C) 2012 Magnus Damm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/clk-provider.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/of_platform.h>
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#include <mach/common.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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static struct map_desc emev2_io_desc[] __initdata = {
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#ifdef CONFIG_SMP
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/* 2M mapping for SCU + L2 controller */
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{
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.virtual = 0xf0000000,
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.pfn = __phys_to_pfn(0x1e000000),
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.length = SZ_2M,
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.type = MT_DEVICE
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},
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#endif
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};
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static void __init emev2_map_io(void)
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{
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iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc));
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}
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static void __init emev2_init_delay(void)
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{
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shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */
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}
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static void __init emev2_add_standard_devices_dt(void)
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{
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of_clk_init(NULL);
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of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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}
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static const char *emev2_boards_compat_dt[] __initconst = {
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"renesas,emev2",
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NULL,
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};
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extern struct smp_operations emev2_smp_ops;
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DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
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.smp = smp_ops(emev2_smp_ops),
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.map_io = emev2_map_io,
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.init_early = emev2_init_delay,
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.init_machine = emev2_add_standard_devices_dt,
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.init_late = shmobile_init_late,
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.dt_compat = emev2_boards_compat_dt,
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MACHINE_END
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