43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2019 MediaTek Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/barrier.h>
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#include <cbfs.h>
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#include <console/console.h>
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#include <arch/mmio.h>
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#include <soc/sspm.h>
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#include <string.h>
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#define BUF_SIZE (64 * KiB)
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static uint8_t sspm_bin[BUF_SIZE] __aligned(8);
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void sspm_init(void)
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{
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const char *file_name = "sspm.bin";
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size_t fw_size = cbfs_boot_load_file(file_name,
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sspm_bin,
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sizeof(sspm_bin),
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CBFS_TYPE_RAW);
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if (fw_size == 0)
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die("SSPM file :sspm.bin not found.");
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memcpy((void *)SSPM_SRAM_BASE, sspm_bin, fw_size);
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/* Memory barrier to ensure that all fw code is loaded
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before we release the reset pin. */
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mb();
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write32(&mt8183_sspm->sw_rstn, 0x1);
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}
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