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Diffstat (limited to 'src/main.c')
-rw-r--r-- | src/main.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c new file mode 100644 index 0000000..95659c4 --- /dev/null +++ b/src/main.c @@ -0,0 +1,51 @@ +/* + * 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. + */ + +#include <m0_param.h> +#include "rk3399_mcu.h" + +__attribute__((noreturn)) void main(void) +{ + switch (mmio_read_32(PARAM_ADDR + PARAM_M0_FUNC)) { + case M0_FUNC_SUSPEND: + handle_suspend(); + break; + case M0_FUNC_DRAM: + handle_dram(); + break; + default: + break; + } + + mmio_write_32(PARAM_ADDR + PARAM_M0_DONE, M0_DONE_FLAG); + + for (;;) + __asm__ volatile ("wfi"); +} |