blob: ed3598128530f143df0c89fedf66a96177c8f4e0 [file] [log] [blame]
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -08001/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15 * 02110-1301, USA.
16 *
17 */
18#include <linux/kernel.h>
19#include <linux/platform_device.h>
20#include <linux/io.h>
21#include <linux/irq.h>
Stephen Boydbd323442011-02-23 09:37:42 -080022#include <linux/clkdev.h>
Stephen Boyd9e775ad2011-08-12 00:14:28 +010023#include <linux/memblock.h>
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080024
25#include <asm/mach-types.h>
26#include <asm/mach/arch.h>
27#include <asm/hardware/gic.h>
Stephen Boyd9e775ad2011-08-12 00:14:28 +010028#include <asm/setup.h>
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080029
30#include <mach/board.h>
31#include <mach/msm_iomap.h>
32
Stepan Moskovchenkod056fca2011-01-27 12:12:07 -080033#include "devices.h"
34
Stephen Boyd47a67702011-10-25 09:35:19 -070035static void __init msm8960_fixup(struct tag *tag, char **cmdline,
36 struct meminfo *mi)
Stephen Boyd9e775ad2011-08-12 00:14:28 +010037{
38 for (; tag->hdr.size; tag = tag_next(tag))
39 if (tag->hdr.tag == ATAG_MEM &&
40 tag->u.mem.start == 0x40200000) {
41 tag->u.mem.start = 0x40000000;
42 tag->u.mem.size += SZ_2M;
43 }
44}
45
46static void __init msm8960_reserve(void)
47{
48 memblock_remove(0x40000000, SZ_2M);
49}
50
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080051static void __init msm8960_map_io(void)
52{
53 msm_map_msm8960_io();
54}
55
56static void __init msm8960_init_irq(void)
57{
58 unsigned int i;
59 gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
60 (void *)MSM_QGIC_CPU_BASE);
61
62 /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
63 writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
64
Stepan Moskovchenko50ede4e2010-12-13 18:12:19 -080065 if (machine_is_msm8960_rumi3())
66 writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET);
67
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080068 /* FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet
69 * as they are configured as level, which does not play nice with
70 * handle_percpu_irq.
71 */
72 for (i = GIC_PPI_START; i < GIC_SPI_START; i++) {
73 if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE)
Thomas Gleixner6845664a2011-03-24 13:25:22 +010074 irq_set_handler(i, handle_percpu_irq);
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080075 }
76}
77
Stepan Moskovchenkod056fca2011-01-27 12:12:07 -080078static struct platform_device *sim_devices[] __initdata = {
79 &msm8960_device_uart_gsbi2,
80};
81
82static struct platform_device *rumi3_devices[] __initdata = {
83 &msm8960_device_uart_gsbi5,
84};
85
86static void __init msm8960_sim_init(void)
87{
88 platform_add_devices(sim_devices, ARRAY_SIZE(sim_devices));
89}
90
91static void __init msm8960_rumi3_init(void)
92{
93 platform_add_devices(rumi3_devices, ARRAY_SIZE(rumi3_devices));
94}
95
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080096MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR")
Stephen Boyd9e775ad2011-08-12 00:14:28 +010097 .fixup = msm8960_fixup,
98 .reserve = msm8960_reserve,
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -080099 .map_io = msm8960_map_io,
100 .init_irq = msm8960_init_irq,
101 .timer = &msm_timer,
Marc Zyngier041f7772011-09-06 10:23:45 +0100102 .handle_irq = gic_handle_irq,
Stepan Moskovchenkod056fca2011-01-27 12:12:07 -0800103 .init_machine = msm8960_sim_init,
Stepan Moskovchenkof441ca22010-12-01 19:31:16 -0800104MACHINE_END
Stepan Moskovchenko50ede4e2010-12-13 18:12:19 -0800105
106MACHINE_START(MSM8960_RUMI3, "QCT MSM8960 RUMI3")
Stephen Boyd9e775ad2011-08-12 00:14:28 +0100107 .fixup = msm8960_fixup,
108 .reserve = msm8960_reserve,
Stepan Moskovchenko50ede4e2010-12-13 18:12:19 -0800109 .map_io = msm8960_map_io,
110 .init_irq = msm8960_init_irq,
111 .timer = &msm_timer,
Marc Zyngier041f7772011-09-06 10:23:45 +0100112 .handle_irq = gic_handle_irq,
Stepan Moskovchenkod056fca2011-01-27 12:12:07 -0800113 .init_machine = msm8960_rumi3_init,
Stepan Moskovchenko50ede4e2010-12-13 18:12:19 -0800114MACHINE_END
115