33 lines
777 B
C
33 lines
777 B
C
/* Copyright(c) 2022 Intel Corporation. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/arch/xtensa/arch.h>
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#include <zephyr/device.h>
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#include <zephyr/devicetree.h>
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#include <zephyr/init.h>
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#include <errno.h>
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#include <zephyr/cache.h>
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#include <mem_window.h>
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int boot_complete(void)
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{
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uint32_t *win;
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const struct mem_win_config *config;
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const struct device *dev = DEVICE_DT_GET(DT_NODELABEL(mem_window0));
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if (!device_is_ready(dev)) {
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return -ENODEV;
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}
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config = dev->config;
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win = sys_cache_uncached_ptr_get((__sparse_force void __sparse_cache *)config->mem_base);
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/* Software protocol: "firmware entered" has the value 5 */
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win[0] = 5;
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return 0;
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}
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SYS_INIT(boot_complete, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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