diff options
Diffstat (limited to 'arch/arm/mach-highbank/platsmp.c')
-rw-r--r-- | arch/arm/mach-highbank/platsmp.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c deleted file mode 100644 index 32d75cf55cbc..000000000000 --- a/arch/arm/mach-highbank/platsmp.c +++ /dev/null | |||
@@ -1,68 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2010-2011 Calxeda, Inc. | ||
3 | * Based on platsmp.c, Copyright (C) 2002 ARM Ltd. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it | ||
6 | * under the terms and conditions of the GNU General Public License, | ||
7 | * version 2, as published by the Free Software Foundation. | ||
8 | * | ||
9 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
12 | * more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along with | ||
15 | * this program. If not, see <http://www.gnu.org/licenses/>. | ||
16 | */ | ||
17 | #include <linux/init.h> | ||
18 | #include <linux/smp.h> | ||
19 | #include <linux/io.h> | ||
20 | |||
21 | #include <asm/smp_scu.h> | ||
22 | |||
23 | #include "core.h" | ||
24 | |||
25 | extern void secondary_startup(void); | ||
26 | |||
27 | static int highbank_boot_secondary(unsigned int cpu, struct task_struct *idle) | ||
28 | { | ||
29 | highbank_set_cpu_jump(cpu, secondary_startup); | ||
30 | arch_send_wakeup_ipi_mask(cpumask_of(cpu)); | ||
31 | return 0; | ||
32 | } | ||
33 | |||
34 | /* | ||
35 | * Initialise the CPU possible map early - this describes the CPUs | ||
36 | * which may be present or become present in the system. | ||
37 | */ | ||
38 | static void __init highbank_smp_init_cpus(void) | ||
39 | { | ||
40 | unsigned int i, ncores = 4; | ||
41 | |||
42 | /* sanity check */ | ||
43 | if (ncores > NR_CPUS) { | ||
44 | printk(KERN_WARNING | ||
45 | "highbank: no. of cores (%d) greater than configured " | ||
46 | "maximum of %d - clipping\n", | ||
47 | ncores, NR_CPUS); | ||
48 | ncores = NR_CPUS; | ||
49 | } | ||
50 | |||
51 | for (i = 0; i < ncores; i++) | ||
52 | set_cpu_possible(i, true); | ||
53 | } | ||
54 | |||
55 | static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) | ||
56 | { | ||
57 | if (scu_base_addr) | ||
58 | scu_enable(scu_base_addr); | ||
59 | } | ||
60 | |||
61 | struct smp_operations highbank_smp_ops __initdata = { | ||
62 | .smp_init_cpus = highbank_smp_init_cpus, | ||
63 | .smp_prepare_cpus = highbank_smp_prepare_cpus, | ||
64 | .smp_boot_secondary = highbank_boot_secondary, | ||
65 | #ifdef CONFIG_HOTPLUG_CPU | ||
66 | .cpu_die = highbank_cpu_die, | ||
67 | #endif | ||
68 | }; | ||