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5eb4150e84
The System Bus is not available by default on the ROM boot mode of PH1-LD20. To use devices connected to the System Bus, such as the Micro Support Card, it is necessary to set up pin-muxing and some System Bus Controller register. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/*
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* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include "../init.h"
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#include "../sg-regs.h"
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int uniphier_ld20_early_pin_init(const struct uniphier_board_data *bd)
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{
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/* Comment format: PAD Name -> Function Name */
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sg_set_pinsel(0, 0, 8, 4); /* XECS1 -> XECS1 */
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sg_set_pinsel(1, 0, 8, 4); /* ERXW -> ERXW */
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sg_set_pinsel(2, 0, 8, 4); /* XERWE1 -> XERWE1 */
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sg_set_pinsel(6, 2, 8, 4); /* XNFRE -> XERWE0 */
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sg_set_pinsel(7, 2, 8, 4); /* XNFWE -> ES0 */
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sg_set_pinsel(8, 2, 8, 4); /* NFALE -> ES1 */
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sg_set_pinsel(9, 2, 8, 4); /* NFCLE -> ES2 */
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sg_set_pinsel(10, 2, 8, 4); /* NFD0 -> ED0 */
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sg_set_pinsel(11, 2, 8, 4); /* NFD1 -> ED1 */
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sg_set_pinsel(12, 2, 8, 4); /* NFD2 -> ED2 */
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sg_set_pinsel(13, 2, 8, 4); /* NFD3 -> ED3 */
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sg_set_pinsel(14, 2, 8, 4); /* NFD4 -> ED4 */
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sg_set_pinsel(15, 2, 8, 4); /* NFD5 -> ED5 */
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sg_set_pinsel(16, 2, 8, 4); /* NFD6 -> ED6 */
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sg_set_pinsel(17, 2, 8, 4); /* NFD7 -> ED7 */
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sg_set_iectrl_range(0, 2);
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sg_set_iectrl_range(6, 17);
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return 0;
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}
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