projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a55df6ed SM |
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> | |
| 9161d303 | 22 | #include <linux/irq.h> |
| a55df6ed SM |
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 | void __iomem *gic_cpu_base_addr; | |
| 32 | ||
| 33 | unsigned long clk_get_max_axi_khz(void) | |
| 34 | { | |
| 35 | return 0; | |
| 36 | } | |
| 37 | ||
| 38 | static void __init msm8x60_map_io(void) | |
| 39 | { | |
| 40 | msm_map_msm8x60_io(); | |
| 41 | } | |
| 42 | ||
| 43 | static void __init msm8x60_init_irq(void) | |
| 44 | { | |
| 9161d303 SM |
45 | unsigned int i; |
| 46 | ||
| e4fbb68f | 47 | gic_dist_init(0, MSM_QGIC_DIST_BASE, GIC_PPI_START); |
| a55df6ed SM |
48 | gic_cpu_base_addr = (void *)MSM_QGIC_CPU_BASE; |
| 49 | gic_cpu_init(0, MSM_QGIC_CPU_BASE); | |
| 9161d303 SM |
50 | |
| 51 | /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */ | |
| 52 | writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); | |
| 53 | ||
| 54 | /* RUMI does not adhere to GIC spec by enabling STIs by default. | |
| 55 | * Enable/clear is supposed to be RO for STIs, but is RW on RUMI. | |
| 56 | */ | |
| 57 | writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET); | |
| 58 | ||
| 59 | /* FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet | |
| 60 | * as they are configured as level, which does not play nice with | |
| 61 | * handle_percpu_irq. | |
| 62 | */ | |
| 63 | for (i = GIC_PPI_START; i < GIC_SPI_START; i++) { | |
| 64 | if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE) | |
| 65 | set_irq_handler(i, handle_percpu_irq); | |
| 66 | } | |
| a55df6ed SM |
67 | } |
| 68 | ||
| 69 | static void __init msm8x60_init(void) | |
| 70 | { | |
| 71 | } | |
| 72 | ||
| 73 | MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") | |
| 74 | .map_io = msm8x60_map_io, | |
| 75 | .init_irq = msm8x60_init_irq, | |
| 76 | .init_machine = msm8x60_init, | |
| 77 | .timer = &msm_timer, | |
| 78 | MACHINE_END |