diff options
Diffstat (limited to 'arch/arm/mach-socfpga/headsmp.S')
| -rw-r--r-- | arch/arm/mach-socfpga/headsmp.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S new file mode 100644 index 00000000000..9004bfb1756 --- /dev/null +++ b/arch/arm/mach-socfpga/headsmp.S @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2003 ARM Limited + * Copyright (c) u-boot contributors + * Copyright (c) 2012 Pavel Machek <pavel@denx.de> + * + * 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> +#include <linux/init.h> + + __CPUINIT + .arch armv7-a + +ENTRY(secondary_trampoline) + movw r2, #:lower16:cpu1start_addr + movt r2, #:upper16:cpu1start_addr + + /* The socfpga VT cannot handle a 0xC0000000 page offset when loading + the cpu1start_addr, we bit clear it. Tested on HW and VT. */ + bic r2, r2, #0x40000000 + + ldr r0, [r2] + ldr r1, [r0] + bx r1 + +ENTRY(secondary_trampoline_end) + +ENTRY(socfpga_secondary_startup) + bl v7_invalidate_l1 + b secondary_startup +ENDPROC(socfpga_secondary_startup) |