diff options
Diffstat (limited to 'bsps/bfin/include/libcpu/uartRegs.h')
| -rw-r--r-- | bsps/bfin/include/libcpu/uartRegs.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/bsps/bfin/include/libcpu/uartRegs.h b/bsps/bfin/include/libcpu/uartRegs.h new file mode 100644 index 0000000000..f48052e49b --- /dev/null +++ b/bsps/bfin/include/libcpu/uartRegs.h @@ -0,0 +1,70 @@ +/* Blackfin UART Registers + * + * Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA + * written by Allan Hessenflow <allanh@kallisti.com> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef _uartRegs_h_ +#define _uartRegs_h_ + +/* register addresses */ + +#define UART_RBR_OFFSET 0x0000 +#define UART_THR_OFFSET 0x0000 +#define UART_DLL_OFFSET 0x0000 +#define UART_IER_OFFSET 0x0004 +#define UART_DLH_OFFSET 0x0004 +#define UART_IIR_OFFSET 0x0008 +#define UART_LCR_OFFSET 0x000c +#define UART_MCR_OFFSET 0x0010 +#define UART_LSR_OFFSET 0x0014 +#define UART_SCR_OFFSET 0x001c +#define UART_GCTL_OFFSET 0x0024 + + +/* register fields */ + +#define UART_LCR_DLAB 0x80 +#define UART_LCR_SB 0x40 +#define UART_LCR_STP 0x20 +#define UART_LCR_EPS 0x10 +#define UART_LCR_PEN 0x08 +#define UART_LCR_STB 0x04 +#define UART_LCR_WLS_MASK 0x03 +#define UART_LCR_WLS_5 0x00 +#define UART_LCR_WLS_6 0x01 +#define UART_LCR_WLS_7 0x02 +#define UART_LCR_WLS_8 0x03 + +#define UART_MCR_LOOP 0x10 + +#define UART_LSR_TEMT 0x40 +#define UART_LSR_THRE 0x20 +#define UART_LSR_BI 0x10 +#define UART_LSR_FE 0x08 +#define UART_LSR_PE 0x04 +#define UART_LSR_OE 0x02 +#define UART_LSR_DR 0x01 + +#define UART_IER_ELSI 0x04 +#define UART_IER_ETBEI 0x02 +#define UART_IER_ERBFI 0x01 + +#define UART_IIR_STATUS_MASK 0x06 +#define UART_IIR_STATUS_THRE 0x02 +#define UART_IIR_STATUS_RDR 0x04 +#define UART_IIR_STATUS_LS 0x06 +#define UART_IIR_NINT 0x01 + +#define UART_GCTL_FFE 0x20 +#define UART_GCTL_FPE 0x10 +#define UART_GCTL_RPOLC 0x08 +#define UART_GCTL_TPOLC 0x04 +#define UART_GCTL_IREN 0x02 +#define UART_GCTL_UCEN 0x01 + +#endif /* _uartRegs_h_ */ |