diff options
Diffstat (limited to 'arch/mips/mach-mtmips/mt7621/spl/serial.c')
| -rw-r--r-- | arch/mips/mach-mtmips/mt7621/spl/serial.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/mips/mach-mtmips/mt7621/spl/serial.c b/arch/mips/mach-mtmips/mt7621/spl/serial.c new file mode 100644 index 0000000000..5cf093a078 --- /dev/null +++ b/arch/mips/mach-mtmips/mt7621/spl/serial.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 MediaTek Inc. All rights reserved. + * + * Author: Weijie Gao <weijie.gao@mediatek.com> + */ + +#include <asm/io.h> +#include "../mt7621.h" + +void mtmips_spl_serial_init(void) +{ +#ifdef CONFIG_SPL_SERIAL + void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE); + +#if CONFIG_CONS_INDEX == 1 + clrbits_32(base + SYSCTL_GPIOMODE_REG, UART1_MODE); +#elif CONFIG_CONS_INDEX == 2 + clrbits_32(base + SYSCTL_GPIOMODE_REG, UART2_MODE_M); +#elif CONFIG_CONS_INDEX == 3 + clrbits_32(base + SYSCTL_GPIOMODE_REG, UART3_MODE_M); +#endif /* CONFIG_CONS_INDEX */ +#endif /* CONFIG_SPL_SERIAL */ +} |