1 /* Copyright (c) 2010, 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
19 #include <linux/kernel.h>
20 #include <linux/platform_device.h>
21 #include <linux/io.h>
22 #include <linux/irq.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/hardware/gic.h>
27
28 #include <mach/board.h>
29 #include <mach/msm_iomap.h>
30
31
msm8x60_map_io(void)32 static void __init msm8x60_map_io(void)
33 {
34 msm_map_msm8x60_io();
35 }
36
msm8x60_init_irq(void)37 static void __init msm8x60_init_irq(void)
38 {
39 unsigned int i;
40
41 gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
42 (void *)MSM_QGIC_CPU_BASE);
43
44 /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
45 writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
46
47 /* RUMI does not adhere to GIC spec by enabling STIs by default.
48 * Enable/clear is supposed to be RO for STIs, but is RW on RUMI.
49 */
50 if (!machine_is_msm8x60_sim())
51 writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET);
52
53 /* FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet
54 * as they are configured as level, which does not play nice with
55 * handle_percpu_irq.
56 */
57 for (i = GIC_PPI_START; i < GIC_SPI_START; i++) {
58 if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE)
59 irq_set_handler(i, handle_percpu_irq);
60 }
61 }
62
msm8x60_init(void)63 static void __init msm8x60_init(void)
64 {
65 }
66
67 MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3")
68 .map_io = msm8x60_map_io,
69 .init_irq = msm8x60_init_irq,
70 .init_machine = msm8x60_init,
71 .timer = &msm_timer,
72 MACHINE_END
73
74 MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF")
75 .map_io = msm8x60_map_io,
76 .init_irq = msm8x60_init_irq,
77 .init_machine = msm8x60_init,
78 .timer = &msm_timer,
79 MACHINE_END
80
81 MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR")
82 .map_io = msm8x60_map_io,
83 .init_irq = msm8x60_init_irq,
84 .init_machine = msm8x60_init,
85 .timer = &msm_timer,
86 MACHINE_END
87
88 MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA")
89 .map_io = msm8x60_map_io,
90 .init_irq = msm8x60_init_irq,
91 .init_machine = msm8x60_init,
92 .timer = &msm_timer,
93 MACHINE_END
94