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Diffstat (limited to 'board/Marvell/common/ns16550.h')
| -rw-r--r-- | board/Marvell/common/ns16550.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/board/Marvell/common/ns16550.h b/board/Marvell/common/ns16550.h deleted file mode 100644 index 9306381353..0000000000 --- a/board/Marvell/common/ns16550.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * NS16550 Serial Port - * originally from linux source (arch/powerpc/boot/ns16550.h) - * modified slightly to - * have addresses as offsets from CONFIG_SYS_ISA_BASE - * added a few more definitions - * added prototypes for ns16550.c - * reduced no of com ports to 2 - * modifications (c) Rob Taylor, Flying Pig Systems. 2000. - * - * further modified to support the DUART in the Galileo eval board - * modifications (c) Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - */ - -#ifndef __NS16550_H__ -#define __NS16550_H__ - -/* the padding is necessary because on the galileo board the UART is - wired in with the 3 address lines shifted over by 2 bits */ -struct NS16550 -{ - unsigned char rbr; /* 0 = 0-3*/ - int pad1:24; - - unsigned char ier; /* 1 = 4-7*/ - int pad2:24; - - unsigned char fcr; /* 2 = 8-b*/ - int pad3:24; - - unsigned char lcr; /* 3 = c-f*/ - int pad4:24; - - unsigned char mcr; /* 4 = 10-13*/ - int pad5:24; - - unsigned char lsr; /* 5 = 14-17*/ - int pad6:24; - - unsigned char msr; /* 6 =18-1b*/ - int pad7:24; - - unsigned char scr; /* 7 =1c-1f*/ - int pad8:24; -} __attribute__ ((packed)); - -/* aliases */ -#define thr rbr -#define iir fcr -#define dll rbr -#define dlm ier - -#define FCR_FIFO_EN 0x01 /*fifo enable*/ -#define FCR_RXSR 0x02 /*receiver soft reset*/ -#define FCR_TXSR 0x04 /*transmitter soft reset*/ - - -#define MCR_DTR 0x01 -#define MCR_RTS 0x02 -#define MCR_DMA_EN 0x04 -#define MCR_TX_DFR 0x08 - - -#define LCR_WLS_MSK 0x03 /* character length slect mask*/ -#define LCR_WLS_5 0x00 /* 5 bit character length */ -#define LCR_WLS_6 0x01 /* 6 bit character length */ -#define LCR_WLS_7 0x02 /* 7 bit character length */ -#define LCR_WLS_8 0x03 /* 8 bit character length */ -#define LCR_STB 0x04 /* Number of stop Bits, off = 1, on = 1.5 or 2) */ -#define LCR_PEN 0x08 /* Parity eneble*/ -#define LCR_EPS 0x10 /* Even Parity Select*/ -#define LCR_STKP 0x20 /* Stick Parity*/ -#define LCR_SBRK 0x40 /* Set Break*/ -#define LCR_BKSE 0x80 /* Bank select enable*/ - -#define LSR_DR 0x01 /* Data ready */ -#define LSR_OE 0x02 /* Overrun */ -#define LSR_PE 0x04 /* Parity error */ -#define LSR_FE 0x08 /* Framing error */ -#define LSR_BI 0x10 /* Break */ -#define LSR_THRE 0x20 /* Xmit holding register empty */ -#define LSR_TEMT 0x40 /* Xmitter empty */ -#define LSR_ERR 0x80 /* Error */ - -/* useful defaults for LCR*/ -#define LCR_8N1 0x03 - - -#define COM1 0x03F8 -#define COM2 0x02F8 - -volatile struct NS16550 * NS16550_init(int chan, int baud_divisor); -void NS16550_putc(volatile struct NS16550 *com_port, unsigned char c); -unsigned char NS16550_getc(volatile struct NS16550 *com_port); -int NS16550_tstc(volatile struct NS16550 *com_port); -void NS16550_reinit(volatile struct NS16550 *com_port, int baud_divisor); - -typedef struct NS16550 *NS16550_t; - -extern const NS16550_t COM_PORTS[]; - -#endif |