Steve Muckle | a55df6e | 2010-01-07 12:43:24 -0800 | [diff] [blame] | 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> |
Steve Muckle | 9161d30 | 2010-02-11 11:50:40 -0800 | [diff] [blame] | 22 | #include <linux/irq.h> |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 23 | #include <linux/memblock.h> |
Steve Muckle | a55df6e | 2010-01-07 12:43:24 -0800 | [diff] [blame] | 24 | |
| 25 | #include <asm/mach-types.h> |
| 26 | #include <asm/mach/arch.h> |
| 27 | #include <asm/hardware/gic.h> |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 28 | #include <asm/setup.h> |
Steve Muckle | a55df6e | 2010-01-07 12:43:24 -0800 | [diff] [blame] | 29 | |
| 30 | #include <mach/board.h> |
| 31 | #include <mach/msm_iomap.h> |
| 32 | |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 33 | static void __init msm8x60_fixup(struct machine_desc *desc, struct tag *tag, |
| 34 | char **cmdline, struct meminfo *mi) |
| 35 | { |
| 36 | for (; tag->hdr.size; tag = tag_next(tag)) |
| 37 | if (tag->hdr.tag == ATAG_MEM && |
| 38 | tag->u.mem.start == 0x40200000) { |
| 39 | tag->u.mem.start = 0x40000000; |
| 40 | tag->u.mem.size += SZ_2M; |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | static void __init msm8x60_reserve(void) |
| 45 | { |
| 46 | memblock_remove(0x40000000, SZ_2M); |
| 47 | } |
Steve Muckle | a55df6e | 2010-01-07 12:43:24 -0800 | [diff] [blame] | 48 | |
| 49 | static void __init msm8x60_map_io(void) |
| 50 | { |
| 51 | msm_map_msm8x60_io(); |
| 52 | } |
| 53 | |
| 54 | static void __init msm8x60_init_irq(void) |
| 55 | { |
Steve Muckle | 9161d30 | 2010-02-11 11:50:40 -0800 | [diff] [blame] | 56 | unsigned int i; |
| 57 | |
Russell King | ff2e27a | 2010-12-04 16:13:29 +0000 | [diff] [blame] | 58 | gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE, |
| 59 | (void *)MSM_QGIC_CPU_BASE); |
Steve Muckle | 9161d30 | 2010-02-11 11:50:40 -0800 | [diff] [blame] | 60 | |
| 61 | /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */ |
| 62 | writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); |
| 63 | |
| 64 | /* RUMI does not adhere to GIC spec by enabling STIs by default. |
| 65 | * Enable/clear is supposed to be RO for STIs, but is RW on RUMI. |
| 66 | */ |
Steve Muckle | 57bbf1c | 2010-01-07 12:51:10 -0800 | [diff] [blame] | 67 | if (!machine_is_msm8x60_sim()) |
| 68 | writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET); |
Steve Muckle | 9161d30 | 2010-02-11 11:50:40 -0800 | [diff] [blame] | 69 | |
| 70 | /* FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet |
| 71 | * as they are configured as level, which does not play nice with |
| 72 | * handle_percpu_irq. |
| 73 | */ |
| 74 | for (i = GIC_PPI_START; i < GIC_SPI_START; i++) { |
| 75 | if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE) |
Thomas Gleixner | 6845664a | 2011-03-24 13:25:22 +0100 | [diff] [blame] | 76 | irq_set_handler(i, handle_percpu_irq); |
Steve Muckle | 9161d30 | 2010-02-11 11:50:40 -0800 | [diff] [blame] | 77 | } |
Steve Muckle | a55df6e | 2010-01-07 12:43:24 -0800 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | static void __init msm8x60_init(void) |
| 81 | { |
| 82 | } |
| 83 | |
| 84 | MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 85 | .fixup = msm8x60_fixup, |
| 86 | .reserve = msm8x60_reserve, |
Steve Muckle | a55df6e | 2010-01-07 12:43:24 -0800 | [diff] [blame] | 87 | .map_io = msm8x60_map_io, |
| 88 | .init_irq = msm8x60_init_irq, |
| 89 | .init_machine = msm8x60_init, |
| 90 | .timer = &msm_timer, |
| 91 | MACHINE_END |
Steve Muckle | 49b76f7 | 2010-03-19 17:00:08 -0700 | [diff] [blame] | 92 | |
| 93 | MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 94 | .fixup = msm8x60_fixup, |
| 95 | .reserve = msm8x60_reserve, |
Steve Muckle | 49b76f7 | 2010-03-19 17:00:08 -0700 | [diff] [blame] | 96 | .map_io = msm8x60_map_io, |
| 97 | .init_irq = msm8x60_init_irq, |
| 98 | .init_machine = msm8x60_init, |
| 99 | .timer = &msm_timer, |
| 100 | MACHINE_END |
Steve Muckle | 57bbf1c | 2010-01-07 12:51:10 -0800 | [diff] [blame] | 101 | |
| 102 | MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 103 | .fixup = msm8x60_fixup, |
| 104 | .reserve = msm8x60_reserve, |
Steve Muckle | 57bbf1c | 2010-01-07 12:51:10 -0800 | [diff] [blame] | 105 | .map_io = msm8x60_map_io, |
| 106 | .init_irq = msm8x60_init_irq, |
| 107 | .init_machine = msm8x60_init, |
| 108 | .timer = &msm_timer, |
| 109 | MACHINE_END |
Gregory Bean | 69b7f6f | 2010-04-04 22:29:02 -0700 | [diff] [blame] | 110 | |
| 111 | MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") |
Stephen Boyd | 9e775ad | 2011-08-12 00:14:28 +0100 | [diff] [blame^] | 112 | .fixup = msm8x60_fixup, |
| 113 | .reserve = msm8x60_reserve, |
Gregory Bean | 69b7f6f | 2010-04-04 22:29:02 -0700 | [diff] [blame] | 114 | .map_io = msm8x60_map_io, |
| 115 | .init_irq = msm8x60_init_irq, |
| 116 | .init_machine = msm8x60_init, |
| 117 | .timer = &msm_timer, |
| 118 | MACHINE_END |