diff options
Diffstat (limited to 'include/asm-blackfin/arch-bf537/bf537_serial.h')
| -rw-r--r-- | include/asm-blackfin/arch-bf537/bf537_serial.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/asm-blackfin/arch-bf537/bf537_serial.h b/include/asm-blackfin/arch-bf537/bf537_serial.h new file mode 100644 index 0000000000..1610411ee9 --- /dev/null +++ b/include/asm-blackfin/arch-bf537/bf537_serial.h @@ -0,0 +1,78 @@ +/* + * U-boot bf537_serial.h + * + * Copyright (c) 2005 blackfin.uclinux.org + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _BF537_SERIAL_H_ +#define _BF537_SERIAL_H_ + +#define BYTE_REF(addr) (*((volatile char*)addr)) +#define HALFWORD_REF(addr) (*((volatile short*)addr)) +#define WORD_REF(addr) (*((volatile long*)addr)) + +#define UART_THR_LO HALFWORD_REF(UART_THR) +#define UART_RBR_LO HALFWORD_REF(UART_RBR) +#define UART_DLL_LO HALFWORD_REF(UART_DLL) +#define UART_IER_LO HALFWORD_REF(UART_IER) +#define UART_IER_ERBFI 0x01 +#define UART_IER_ETBEI 0x02 +#define UART_IER_ELSI 0x04 +#define UART_IER_EDDSI 0x08 + +#define UART_DLH_LO HALFWORD_REF(UART_DLH) +#define UART_IIR_LO HALFWORD_REF(UART_IIR) +#define UART_IIR_NOINT 0x01 +#define UART_IIR_STATUS 0x06 +#define UART_IIR_LSR 0x06 +#define UART_IIR_RBR 0x04 +#define UART_IIR_THR 0x02 +#define UART_IIR_MSR 0x00 + +#define UART_LCR_LO HALFWORD_REF(UART_LCR) +#define UART_LCR_WLS5 0 +#define UART_LCR_WLS6 0x01 +#define UART_LCR_WLS7 0x02 +#define UART_LCR_WLS8 0x03 +#define UART_LCR_STB 0x04 +#define UART_LCR_PEN 0x08 +#define UART_LCR_EPS 0x10 +#define UART_LCR_SP 0x20 +#define UART_LCR_SB 0x40 +#define UART_LCR_DLAB 0x80 + +#define UART_MCR_LO HALFWORD_REF(UART_MCR) + +#define UART_LSR_LO HALFWORD_REF(UART_LSR) +#define UART_LSR_DR 0x01 +#define UART_LSR_OE 0x02 +#define UART_LSR_PE 0x04 +#define UART_LSR_FE 0x08 +#define UART_LSR_BI 0x10 +#define UART_LSR_THRE 0x20 +#define UART_LSR_TEMT 0x40 + +#define UART_MSR_LO HALFWORD_REF(UART_MSR) +#define UART_SCR_LO HALFWORD_REF(UART_SCR) +#define UART_GCTL_LO HALFWORD_REF(UART_GCTL) +#define UART_GCTL_UCEN 0x01 + +#endif |