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author | Julien Grall <julien.grall@linaro.org> | 2013-08-01 17:09:26 +0100 |
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committer | Ian Campbell <ian.campbell@citrix.com> | 2013-08-05 10:23:15 +0100 |
commit | 33440c3f60b8922d39ff1bc64ba92f5f8d355e37 (patch) | |
tree | e52949c6ffdb795780294538dcc1a6c878fb4097 /xen/include/asm-arm | |
parent | 56b20c4f5dbfcc612dc7b7fb0a1545ced6e70163 (diff) | |
download | xen-33440c3f60b8922d39ff1bc64ba92f5f8d355e37.tar.gz xen-33440c3f60b8922d39ff1bc64ba92f5f8d355e37.tar.bz2 xen-33440c3f60b8922d39ff1bc64ba92f5f8d355e37.zip |
pl011: Move registers' definition in a separate file
Signed-off-by: Julien Grall <julien.grall@linaro.org>
Reviewed-by: Tim Deegan <tim@xen.org>
Diffstat (limited to 'xen/include/asm-arm')
-rw-r--r-- | xen/include/asm-arm/pl011-uart.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/xen/include/asm-arm/pl011-uart.h b/xen/include/asm-arm/pl011-uart.h new file mode 100644 index 0000000000..8c4edd4a48 --- /dev/null +++ b/xen/include/asm-arm/pl011-uart.h @@ -0,0 +1,80 @@ +/* + * xen/include/asm-arm/pl011-uart.h + * + * Common constant definition between early printk and the UART driver + * for the pl011 UART + * + * Tim Deegan <tim@xen.org> + * Copyright (c) 2011 Citrix Systems. + * + * 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. + * + * 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. + */ + +#ifndef __ASM_ARM_PL011_H +#define __ASM_ARM_PL011_H + +/* PL011 register addresses */ +#define DR (0x00) +#define RSR (0x04) +#define FR (0x18) +#define ILPR (0x20) +#define IBRD (0x24) +#define FBRD (0x28) +#define LCR_H (0x2c) +#define CR (0x30) +#define IFLS (0x34) +#define IMSC (0x38) +#define RIS (0x3c) +#define MIS (0x40) +#define ICR (0x44) +#define DMACR (0x48) + +/* CR bits */ +#define RXE (1<<9) /* Receive enable */ +#define TXE (1<<8) /* Transmit enable */ +#define UARTEN (1<<0) /* UART enable */ + +/* FR bits */ +#define TXFE (1<<7) /* TX FIFO empty */ +#define RXFE (1<<4) /* RX FIFO empty */ + +/* LCR_H bits */ +#define SPS (1<<7) /* Stick parity select */ +#define FEN (1<<4) /* FIFO enable */ +#define STP2 (1<<3) /* Two stop bits select */ +#define EPS (1<<2) /* Even parity select */ +#define PEN (1<<1) /* Parity enable */ +#define BRK (1<<0) /* Send break */ + +/* Interrupt bits (IMSC, MIS, ICR) */ +#define OEI (1<<10) /* Overrun Error interrupt mask */ +#define BEI (1<<9) /* Break Error interrupt mask */ +#define PEI (1<<8) /* Parity Error interrupt mask */ +#define FEI (1<<7) /* Framing Error interrupt mask */ +#define RTI (1<<6) /* Receive Timeout interrupt mask */ +#define TXI (1<<5) /* Transmit interrupt mask */ +#define RXI (1<<4) /* Receive interrupt mask */ +#define DSRMI (1<<3) /* nUARTDSR Modem interrupt mask */ +#define DCDMI (1<<2) /* nUARTDCD Modem interrupt mask */ +#define CTSMI (1<<1) /* nUARTCTS Modem interrupt mask */ +#define RIMI (1<<0) /* nUARTRI Modem interrupt mask */ +#define ALLI OEI|BEI|PEI|FEI|RTI|TXI|RXI|DSRMI|DCDMI|CTSMI|RIMI + +#endif /* __ASM_ARM_PL011_H */ + +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ |