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Diffstat (limited to 'include/lib/cpus/aarch32/cpu_macros.S')
| -rw-r--r-- | include/lib/cpus/aarch32/cpu_macros.S | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/lib/cpus/aarch32/cpu_macros.S b/include/lib/cpus/aarch32/cpu_macros.S new file mode 100644 index 00000000..f58f3e94 --- /dev/null +++ b/include/lib/cpus/aarch32/cpu_macros.S @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef __CPU_MACROS_S__ +#define __CPU_MACROS_S__ + +#include <arch.h> + +#define CPU_IMPL_PN_MASK (MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \ + (MIDR_PN_MASK << MIDR_PN_SHIFT) + + /* + * Define the offsets to the fields in cpu_ops structure. + */ + .struct 0 +CPU_MIDR: /* cpu_ops midr */ + .space 4 +/* Reset fn is needed during reset */ +CPU_RESET_FUNC: /* cpu_ops reset_func */ + .space 4 +CPU_PWR_DWN_CORE: /* cpu_ops core_pwr_dwn */ + .space 4 +CPU_PWR_DWN_CLUSTER: /* cpu_ops cluster_pwr_dwn */ + .space 4 +CPU_OPS_SIZE = . + + /* + * Convenience macro to declare cpu_ops structure. + * Make sure the structure fields are as per the offsets + * defined above. + */ + .macro declare_cpu_ops _name:req, _midr:req, _noresetfunc = 0 + .section cpu_ops, "a" + .align 2 + .type cpu_ops_\_name, %object + .word \_midr + .if \_noresetfunc + .word 0 + .else + .word \_name\()_reset_func + .endif + .word \_name\()_core_pwr_dwn + .word \_name\()_cluster_pwr_dwn + .endm + +#endif /* __CPU_MACROS_S__ */ |