/* * (C) Copyright 2003, 2004 * ARM Ltd. * Philippe Robin, <philippe.robin@arm.com> * * 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 */ /* * ARM PrimeCell UART's (PL010 & PL011) * ------------------------------------ * * Definitions common to both PL010 & PL011 * */ #ifndef __ASSEMBLY__ /* * We can use a combined structure for PL010 and PL011, because they overlap * only in common registers. */ struct pl01x_regs { u32 dr; /* 0x00 Data register */ u32 ecr; /* 0x04 Error clear register (Write) */ u32 pl010_lcrh; /* 0x08 Line control register, high byte */ u32 pl010_lcrm; /* 0x0C Line control register, middle byte */ u32 pl010_lcrl; /* 0x10 Line control register, low byte */ u32 pl010_cr; /* 0x14 Control register */ u32 fr; /* 0x18 Flag register (Read only) */ #ifdef CONFIG_PL011_SERIAL_RLCR u32 pl011_rlcr; /* 0x1c Receive line control register */ #else u32 reserved; #endif u32 ilpr; /* 0x20 IrDA low-power counter register */ u32 pl011_ibrd; /* 0x24 Integer baud rate register */ u32 pl011_fbrd; /* 0x28 Fractional baud rate register */ u32 pl011_lcrh; /* 0x2C Line control register */ u32 pl011_cr; /* 0x30 Control register */ }; #endif #define UART_PL01x_RSR_OE 0x08 #define UART_PL01x_RSR_BE 0x04 #define UART_PL01x_RSR_PE 0x02 #define UART_PL01x_RSR_FE 0x01 #define UART_PL01x_FR_TXFE 0x80 #define UART_PL01x_FR_RXFF 0x40 #define UART_PL01x_FR_TXFF 0x20 #define UART_PL01x_FR_RXFE 0x10 #define UART_PL01x_FR_BUSY 0x08 #define UART_PL01x_FR_TMSK (UART_PL01x_FR_TXFF + UART_PL01x_FR_BUSY) /* * PL010 definitions * */ #define UART_PL010_CR_LPE (1 << 7) #define UART_PL010_CR_RTIE (1 << 6) #define UART_PL010_CR_TIE (1 << 5) #define UART_PL010_CR_RIE (1 << 4) #define UART_PL010_CR_MSIE (1 << 3) #define UART_PL010_CR_IIRLP (1 << 2) #define UART_PL010_CR_SIREN (1 << 1) #define UART_PL010_CR_UARTEN (1 << 0) #define UART_PL010_LCRH_WLEN_8 (3 << 5) #define UART_PL010_LCRH_WLEN_7 (2 << 5) #define UART_PL010_LCRH_WLEN_6 (1 << 5) #define UART_PL010_LCRH_WLEN_5 (0 << 5) #define UART_PL010_LCRH_FEN (1 << 4) #define UART_PL010_LCRH_STP2 (1 << 3) #define UART_PL010_LCRH_EPS (1 << 2) #define UART_PL010_LCRH_PEN (1 << 1) #define UART_PL010_LCRH_BRK (1 << 0) #define UART_PL010_BAUD_460800 1 #define UART_PL010_BAUD_230400 3 #define UART_PL010_BAUD_115200 7 #define UART_PL010_BAUD_57600 15 #define UART_PL010_BAUD_38400 23 #define UART_PL010_BAUD_19200 47 #define UART_PL010_BAUD_14400 63 #define UART_PL010_BAUD_9600 95 #define UART_PL010_BAUD_4800 191 #define UART_PL010_BAUD_2400 383 #define UART_PL010_BAUD_1200 767 /* * PL011 definitions * */ #define UART_PL011_LCRH_SPS (1 << 7) #define UART_PL011_LCRH_WLEN_8 (3 << 5) #define UART_PL011_LCRH_WLEN_7 (2 << 5) #define UART_PL011_LCRH_WLEN_6 (1 << 5) #define UART_PL011_LCRH_WLEN_5 (0 << 5) #define UART_PL011_LCRH_FEN (1 << 4) #define UART_PL011_LCRH_STP2 (1 << 3) #define UART_PL011_LCRH_EPS (1 << 2) #define UART_PL011_LCRH_PEN (1 << 1) #define UART_PL011_LCRH_BRK (1 << 0) #define UART_PL011_CR_CTSEN (1 << 15) #define UART_PL011_CR_RTSEN (1 << 14) #define UART_PL011_CR_OUT2 (1 << 13) #define UART_PL011_CR_OUT1 (1 << 12) #define UART_PL011_CR_RTS (1 << 11) #define UART_PL011_CR_DTR (1 << 10) #define UART_PL011_CR_RXE (1 << 9) #define UART_PL011_CR_TXE (1 << 8) #define UART_PL011_CR_LPE (1 << 7) #define UART_PL011_CR_IIRLP (1 << 2) #define UART_PL011_CR_SIREN (1 << 1) #define UART_PL011_CR_UARTEN (1 << 0) #define UART_PL011_IMSC_OEIM (1 << 10) #define UART_PL011_IMSC_BEIM (1 << 9) #define UART_PL011_IMSC_PEIM (1 << 8) #define UART_PL011_IMSC_FEIM (1 << 7) #define UART_PL011_IMSC_RTIM (1 << 6) #define UART_PL011_IMSC_TXIM (1 << 5) #define UART_PL011_IMSC_RXIM (1 << 4) #define UART_PL011_IMSC_DSRMIM (1 << 3) #define UART_PL011_IMSC_DCDMIM (1 << 2) #define UART_PL011_IMSC_CTSMIM (1 << 1) #define UART_PL011_IMSC_RIMIM (1 << 0)