mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-03 18:10:13 +00:00
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
/*
|
|
* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include "../init.h"
|
|
#include "../sg-regs.h"
|
|
|
|
int uniphier_ld20_early_pin_init(const struct uniphier_board_data *bd)
|
|
{
|
|
/* Comment format: PAD Name -> Function Name */
|
|
sg_set_pinsel(0, 0, 8, 4); /* XECS1 -> XECS1 */
|
|
sg_set_pinsel(1, 0, 8, 4); /* ERXW -> ERXW */
|
|
sg_set_pinsel(2, 0, 8, 4); /* XERWE1 -> XERWE1 */
|
|
sg_set_pinsel(6, 2, 8, 4); /* XNFRE -> XERWE0 */
|
|
sg_set_pinsel(7, 2, 8, 4); /* XNFWE -> ES0 */
|
|
sg_set_pinsel(8, 2, 8, 4); /* NFALE -> ES1 */
|
|
sg_set_pinsel(9, 2, 8, 4); /* NFCLE -> ES2 */
|
|
sg_set_pinsel(10, 2, 8, 4); /* NFD0 -> ED0 */
|
|
sg_set_pinsel(11, 2, 8, 4); /* NFD1 -> ED1 */
|
|
sg_set_pinsel(12, 2, 8, 4); /* NFD2 -> ED2 */
|
|
sg_set_pinsel(13, 2, 8, 4); /* NFD3 -> ED3 */
|
|
sg_set_pinsel(14, 2, 8, 4); /* NFD4 -> ED4 */
|
|
sg_set_pinsel(15, 2, 8, 4); /* NFD5 -> ED5 */
|
|
sg_set_pinsel(16, 2, 8, 4); /* NFD6 -> ED6 */
|
|
sg_set_pinsel(17, 2, 8, 4); /* NFD7 -> ED7 */
|
|
sg_set_iectrl_range(0, 2);
|
|
sg_set_iectrl_range(6, 17);
|
|
|
|
return 0;
|
|
}
|