diff options
Diffstat (limited to 'src/soc/marvell/mvmap2315/fiq.S')
| -rw-r--r-- | src/soc/marvell/mvmap2315/fiq.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/soc/marvell/mvmap2315/fiq.S b/src/soc/marvell/mvmap2315/fiq.S new file mode 100644 index 0000000000..5d8e23468b --- /dev/null +++ b/src/soc/marvell/mvmap2315/fiq.S @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Marvell, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <arch/asm.h> + +ENTRY(fiq_stack_init) + + mrs r0, CPSR + mov r1, r0 + bic r1, r1, #0x40 + orr r0, r0, #0x51 + and r0, r0, #0xFFFFFFF1 + msr CPSR_c, r0 + ldr sp, =_efiq_stack + orr r0, r0, #0x10 + and r0, r0, #0xFFFFFFB0 + msr CPSR_cf, r1 + + dsb + isb + + bx lr + +ENDPROC(fiq_stack_init) |