| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 1 | /* |
| Mian Yousaf Kaukab | 04b8433 | 2010-06-16 16:07:57 +0200 | [diff] [blame] | 2 | * This file is based ARM realview platform. |
| 3 | * Copyright (C) ARM Limited. |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 4 | * |
| Mian Yousaf Kaukab | 04b8433 | 2010-06-16 16:07:57 +0200 | [diff] [blame] | 5 | * This file is licensed under the terms of the GNU General Public |
| 6 | * License version 2. This program is licensed "as is" without any |
| 7 | * warranty of any kind, whether express or implied. |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 8 | */ |
| 9 | #ifndef ASMARM_ARCH_SMP_H |
| 10 | #define ASMARM_ARCH_SMP_H |
| 11 | |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 12 | #include <asm/hardware/gic.h> |
| 13 | |
| Mian Yousaf Kaukab | 04b8433 | 2010-06-16 16:07:57 +0200 | [diff] [blame] | 14 | /* This is required to wakeup the secondary core */ |
| 15 | extern void u8500_secondary_startup(void); |
| 16 | |
| 17 | #define hard_smp_processor_id() \ |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 18 | ({ \ |
| 19 | unsigned int cpunum; \ |
| 20 | __asm__("mrc p15, 0, %0, c0, c0, 5" \ |
| 21 | : "=r" (cpunum)); \ |
| 22 | cpunum &= 0x0F; \ |
| 23 | }) |
| 24 | |
| 25 | /* |
| 26 | * We use IRQ1 as the IPI |
| 27 | */ |
| Sundar R Iyer | cf67676 | 2010-03-02 20:29:25 +0530 | [diff] [blame] | 28 | static inline void smp_cross_call(const struct cpumask *mask) |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 29 | { |
| Sundar R Iyer | cf67676 | 2010-03-02 20:29:25 +0530 | [diff] [blame] | 30 | gic_raise_softirq(mask, 1); |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 31 | } |
| Mian Yousaf Kaukab | b1b2261 | 2010-05-01 21:46:35 +0200 | [diff] [blame] | 32 | #endif |