| // SPDX-License-Identifier: GPL-2.0+ |
| * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> |
| #include <linux/kernel.h> |
| #define UNIPHIER_PRO5_UART_CLK 73728000 |
| unsigned int uniphier_pro5_debug_uart_init(void) |
| sg_set_pinsel(47, 0, 4, 8); /* TXD0 -> TXD0 */ |
| sg_set_pinsel(49, 0, 4, 8); /* TXD1 -> TXD1 */ |
| sg_set_pinsel(51, 0, 4, 8); /* TXD2 -> TXD2 */ |
| sg_set_pinsel(53, 0, 4, 8); /* TXD3 -> TXD3 */ |
| writel(1, sg_base + SG_LOADPINCTRL); |
| tmp = readl(sc_base + SC_CLKCTRL); |
| tmp |= SC_CLKCTRL_CEN_PERI; |
| writel(tmp, sc_base + SC_CLKCTRL); |
| return DIV_ROUND_CLOSEST(UNIPHIER_PRO5_UART_CLK, 16 * CONFIG_BAUDRATE); |