diff options
Diffstat (limited to 'src/soc/intel/apollolake/include/soc/uart.h')
| -rw-r--r-- | src/soc/intel/apollolake/include/soc/uart.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/include/soc/uart.h b/src/soc/intel/apollolake/include/soc/uart.h new file mode 100644 index 0000000000..fd535fba23 --- /dev/null +++ b/src/soc/intel/apollolake/include/soc/uart.h @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _SOC_APOLLOLAKE_UART_H_ +#define _SOC_APOLLOLAKE_UART_H_ + +/* Clock is 100MHz * (M / N).*/ +#define UART_CLK 0x200 +# define UART_CLK_UPDATE (1 << 31) +# define UART_CLK_DIV_N(n) (((n) & 0x7fff) << 16) +# define UART_CLK_DIV_M(m) (((m) & 0x7fff) << 1) +# define UART_CLK_EN (1 << 0) +#define UART_RESET 0x204 +# define UART_RESET_DMA_EN (1 << 2) +# define UART_RESET_UART_EN (3 << 0) + +void lpss_console_uart_init(void); + +#endif /* _SOC_APOLLOLAKE_UART_H_ */ |