diff options
| author | Jun Nie <jun.nie@linaro.org> | 2015-04-28 11:18:10 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2015-05-15 21:49:51 +0200 |
| commit | 71bc724300e636d213cac2d971f35aaa6362876e (patch) | |
| tree | 24a0d6c1e2e6644923a0fd43f37393cac1794e18 /arch/arm/mach-zx/headsmp.S | |
| parent | ARM: zx: add low level debug support for zx296702 (diff) | |
| download | linux-71bc724300e636d213cac2d971f35aaa6362876e.tar.xz linux-71bc724300e636d213cac2d971f35aaa6362876e.zip | |
ARM: zx: enable SMP and hotplug for zx296702
Bring up the secondary core. Enable hotplug with supporting
powering off secondary core.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-zx/headsmp.S')
| -rw-r--r-- | arch/arm/mach-zx/headsmp.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-zx/headsmp.S b/arch/arm/mach-zx/headsmp.S new file mode 100644 index 000000000000..c0fece0c3955 --- /dev/null +++ b/arch/arm/mach-zx/headsmp.S @@ -0,0 +1,32 @@ +/* + * Copyright 2014 Linaro Ltd. + * Copyright (C) 2014 ZTE Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/linkage.h> + + .align 3 + +/* It runs from physical address */ +ENTRY(zx_resume_jump) + adr r1, zx_secondary_startup_pa + ldr r0, [r1] + bx r0 +ENDPROC(zx_resume_jump) + +ENTRY(zx_secondary_startup_pa) + .word zx_secondary_startup_pa + +ENTRY(zx_suspend_iram_sz) + .word . - zx_resume_jump +ENDPROC(zx_secondary_startup_pa) + + +ENTRY(zx_secondary_startup) + bl v7_invalidate_l1 + b secondary_startup +ENDPROC(zx_secondary_startup) |