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Magnus Damm7f627f02012-05-16 15:44:58 +09001/*
2 * Emma Mobile EV2 processor support
3 *
4 * Copyright (C) 2012 Magnus Damm
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
Magnus Damma3153e62013-11-07 08:21:11 +090019#include <linux/clk-provider.h>
Magnus Damm7f627f02012-05-16 15:44:58 +090020#include <linux/kernel.h>
21#include <linux/init.h>
Magnus Damm3d5de272012-05-16 15:45:54 +090022#include <linux/of_platform.h>
Magnus Damm7f627f02012-05-16 15:44:58 +090023#include <mach/common.h>
24#include <mach/emev2.h>
Magnus Damm7f627f02012-05-16 15:44:58 +090025#include <asm/mach-types.h>
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
Magnus Damm7f627f02012-05-16 15:44:58 +090028
Magnus Dammbd5a8752012-05-16 15:45:25 +090029static struct map_desc emev2_io_desc[] __initdata = {
30#ifdef CONFIG_SMP
Magnus Dammbd5a8752012-05-16 15:45:25 +090031 /* 2M mapping for SCU + L2 controller */
32 {
33 .virtual = 0xf0000000,
34 .pfn = __phys_to_pfn(0x1e000000),
35 .length = SZ_2M,
36 .type = MT_DEVICE
37 },
38#endif
39};
40
41void __init emev2_map_io(void)
42{
43 iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc));
44}
45
Magnus Damm4146fa82013-07-02 18:27:33 +090046void __init emev2_init_delay(void)
Magnus Damm7f627f02012-05-16 15:44:58 +090047{
48 shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */
Magnus Damm3d5de272012-05-16 15:45:54 +090049}
50
Magnus Damma3153e62013-11-07 08:21:11 +090051static void __init emev2_add_standard_devices_dt(void)
52{
53#ifdef CONFIG_COMMON_CLK
54 of_clk_init(NULL);
55#else
56 emev2_clock_init();
57#endif
58 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
59}
60
Magnus Damm3d5de272012-05-16 15:45:54 +090061static const char *emev2_boards_compat_dt[] __initdata = {
62 "renesas,emev2",
63 NULL,
64};
65
Magnus Damm3d5de272012-05-16 15:45:54 +090066DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
Marc Zyngiera62580e2011-09-08 13:15:22 +010067 .smp = smp_ops(emev2_smp_ops),
Magnus Damm0ea2b532013-07-02 18:28:22 +090068 .map_io = emev2_map_io,
Magnus Damm3d5de272012-05-16 15:45:54 +090069 .init_early = emev2_init_delay,
Magnus Damma3153e62013-11-07 08:21:11 +090070 .init_machine = emev2_add_standard_devices_dt,
Magnus Damm3f348e12013-11-07 08:21:20 +090071 .init_late = shmobile_init_late,
Magnus Damm3d5de272012-05-16 15:45:54 +090072 .dt_compat = emev2_boards_compat_dt,
73MACHINE_END