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Diffstat (limited to 'src/cpu/allwinner/a10/uart.h')
-rw-r--r-- | src/cpu/allwinner/a10/uart.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/src/cpu/allwinner/a10/uart.h b/src/cpu/allwinner/a10/uart.h deleted file mode 100644 index a57fc9c361..0000000000 --- a/src/cpu/allwinner/a10/uart.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com> - * - * 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; version 2 of the License or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Definitions for UART on Allwinner CPUs - * - * The UART on the A10 seems to be 8250-compatible, however, this has not been - * verified. Our 8250mem code is specific to x86, and does not yet work, so we - * have to re-implement it ARM-style for the time being. The register - * definitions are present in <uart7250.h>, and are not redefined here. - * - */ - -#ifndef CPU_ALLWINNER_A10_UART_H -#define CPU_ALLWINNER_A10_UART_H - -#include <types.h> - -struct a10_uart { - union { - /* operational mode */ - u32 rbr; /* receiver buffer (read) */ - u32 thr; /* transmit holding (write) */ - /* config mode (DLAB set) */ - u32 dll; /* divisor latches low */ - }; - - union { - /* operational mode */ - u32 ier; /* interrupt enable */ - /* config mode (DLAB set) */ - u32 dlh; /* divisor latches high */ - }; - - union { - u32 iir; /* interrupt ID (read) */ - u32 fcr; /* FIFO control (write) */ - }; - - u32 lcr; /* line control */ - - /* 0x10 */ - u32 mcr; /* modem control */ - u32 lsr; /* line status, read-only */ - u32 msr; /* modem status */ - u32 sch; /* scratch register */ - - u8 reserved_0x20[0x50]; - - /* 0x70 */ - u8 reserved_0x70[0xc]; - u32 usr; /* UART status register */ - - /* 0x80 */ - u32 tfl; /* Transmit FIFO level */ - u32 rfl; /* Receive FIFO level */ - u8 reserved_0x88[0x18]; - - /* 0xa0 */ - u8 reserved_0xa0[4]; - u32 halt; /* Halt register */ - -} __packed; - -enum uart_parity { - UART_PARITY_NONE, - UART_PARITY_EVEN, - UART_PARITY_ODD, -}; - -#endif /* CPU_ALLWINNER_A10_UART_H */ |