1 /* 2 * Copyright (C) 2011-2016 Masahiro Yamada <yamada.masahiro@socionext.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <linux/io.h> 8 9 #include "../init.h" 10 #include "sbc-regs.h" 11 12 int uniphier_ld4_sbc_init(const struct uniphier_board_data *bd) 13 { 14 u32 tmp; 15 16 /* system bus output enable */ 17 tmp = readl(PC0CTRL); 18 tmp &= 0xfffffcff; 19 writel(tmp, PC0CTRL); 20 21 return 0; 22 } 23