diff options
| author | thead_admin <occ_thead@service.alibaba.com> | 2022-09-13 11:04:33 +0800 |
|---|---|---|
| committer | thead_admin <occ_thead@service.alibaba.com> | 2022-09-13 11:04:33 +0800 |
| commit | 43db9e00d5837c100c0b2fbbee64a08ab807d1e0 (patch) | |
| tree | b40c0eed02935b6682e8c5c975e3016b6b2f55fe /arch/arm/mach-uniphier/debug-uart/debug-uart-ld4.c | |
Linux_SDK_V0.9.5Linux_SDK_V0.9.5
Diffstat (limited to 'arch/arm/mach-uniphier/debug-uart/debug-uart-ld4.c')
| -rw-r--r-- | arch/arm/mach-uniphier/debug-uart/debug-uart-ld4.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/debug-uart/debug-uart-ld4.c b/arch/arm/mach-uniphier/debug-uart/debug-uart-ld4.c new file mode 100644 index 00000000..10a7087c --- /dev/null +++ b/arch/arm/mach-uniphier/debug-uart/debug-uart-ld4.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <config.h> +#include <linux/kernel.h> + +#include "../sg-regs.h" +#include "debug-uart.h" + +#define UNIPHIER_LD4_UART_CLK 36864000 + +unsigned int uniphier_ld4_debug_uart_init(void) +{ + sg_set_iectrl(0); + sg_set_pinsel(88, 1, 8, 4); /* HSDOUT6 -> TXD0 */ + + return DIV_ROUND_CLOSEST(UNIPHIER_LD4_UART_CLK, 16 * CONFIG_BAUDRATE); +} |