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https://github.com/brain-hackers/u-boot-brain
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57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
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*
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*/
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#include <common.h>
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#include <errno.h>
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#include <asm/io.h>
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#include <asm/arch/handoff_s10.h>
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static void sysmgr_pinmux_handoff_read(void *handoff_address,
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const u32 **table,
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unsigned int *table_len)
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{
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unsigned int handoff_entry = (swab32(readl(handoff_address +
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S10_HANDOFF_OFFSET_LENGTH)) -
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S10_HANDOFF_OFFSET_DATA) /
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sizeof(unsigned int);
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unsigned int handoff_chunk[handoff_entry], temp, i;
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if (swab32(readl(S10_HANDOFF_MUX)) == S10_HANDOFF_MAGIC_MUX) {
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/* using handoff from Quartus tools if exists */
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for (i = 0; i < handoff_entry; i++) {
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temp = readl(handoff_address +
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S10_HANDOFF_OFFSET_DATA + (i * 4));
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handoff_chunk[i] = swab32(temp);
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}
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*table = handoff_chunk;
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*table_len = ARRAY_SIZE(handoff_chunk);
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}
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}
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void sysmgr_pinmux_table_sel(const u32 **table, unsigned int *table_len)
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{
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sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_MUX, table,
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table_len);
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}
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void sysmgr_pinmux_table_ctrl(const u32 **table, unsigned int *table_len)
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{
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sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_IOCTL, table,
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table_len);
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}
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void sysmgr_pinmux_table_fpga(const u32 **table, unsigned int *table_len)
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{
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sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_FPGA, table,
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table_len);
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}
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void sysmgr_pinmux_table_delay(const u32 **table, unsigned int *table_len)
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{
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sysmgr_pinmux_handoff_read((void *)S10_HANODFF_DELAY, table,
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table_len);
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}
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