diff --git a/include/arm/sa11x0/uart.h b/include/arm/sa11x0/uart.h new file mode 100644 index 00000000..1f4a81f9 --- /dev/null +++ b/include/arm/sa11x0/uart.h @@ -0,0 +1,164 @@ +/* + * $Id$ + * + * StrongARM SA-1110 UART Registers (Serial Port 1, 2 and 3) + * Copyright (C) 2002 ETC s.r.o. + * + * 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. + * + * Written by Marcel Telka , 2002. + * + * Documentation: + * [1] Intel Corporation, "Intel StrongARM SA-1110 Microprocessor + * Developer's Manual", October 2001, Order Number: 278240-004 + * [2] Intel Corporation, "Intel StrongARM SA-1110 Microprocessor + * Specification Update", December 2001, Order Number: 278259-023 + * + */ + +#ifndef SA11X0_UART_H +#define SA11X0_UART_H + +#include + +/* UART Registers (Serial Port 1, 2 and 3) */ + +#define UART1_BASE 0x80010000 +#define UART2_BASE 0x80030000 +#define UART3_BASE 0x80050000 + +#if LANGUAGE == C +typedef volatile struct UART_registers { + uint32_t utcr0; + uint32_t utcr1; + uint32_t utcr2; + uint32_t utcr3; + uint32_t utcr4; /* only for Serial Port 2 */ + uint32_t utdr; + uint32_t __reserved; + uint32_t utsr0; + uint32_t utsr1; +} UART_registers; + +#ifndef UART1_pointer +#define UART1_pointer ((UART_registers*) UART1_BASE) +#endif +#ifndef UART2_pointer +#define UART2_pointer ((UART_registers*) UART2_BASE) +#endif +#ifndef UART3_pointer +#define UART3_pointer ((UART_registers*) UART3_BASE) +#endif + +#define UTCR0 UART_pointer->utcr0 +#define UTCR1 UART_pointer->utcr1 +#define UTCR2 UART_pointer->utcr2 +#define UTCR3 UART_pointer->utcr3 +#define UTCR4 UART_pointer->utcr4 /* only for Serial Port 2 */ +#define UTDR UART_pointer->utdr +#define UTSR0 UART_pointer->utsr0 +#define UTSR1 UART_pointer->utsr1 + +/* Serial Port 1 */ + +#define Ser1UTCR0 UART1_pointer->utcr0 +#define Ser1UTCR1 UART1_pointer->utcr1 +#define Ser1UTCR2 UART1_pointer->utcr2 +#define Ser1UTCR3 UART1_pointer->utcr3 +#define Ser1UTDR UART1_pointer->utdr +#define Ser1UTSR0 UART1_pointer->utsr0 +#define Ser1UTSR1 UART1_pointer->utsr1 + +/* Serial Port 2 */ + +#define Ser2UTCR0 UART2_pointer->utcr0 +#define Ser2UTCR1 UART2_pointer->utcr1 +#define Ser2UTCR2 UART2_pointer->utcr2 +#define Ser2UTCR3 UART2_pointer->utcr3 +#define Ser2UTCR4 UART2_pointer->utcr4 +#define Ser2UTDR UART2_pointer->utdr +#define Ser2UTSR0 UART2_pointer->utsr0 +#define Ser2UTSR1 UART2_pointer->utsr1 + +/* Serial Port 3 */ + +#define Ser3UTCR0 UART3_pointer->utcr0 +#define Ser3UTCR1 UART3_pointer->utcr1 +#define Ser3UTCR2 UART3_pointer->utcr2 +#define Ser3UTCR3 UART3_pointer->utcr3 +#define Ser3UTDR UART3_pointer->utdr +#define Ser3UTSR0 UART3_pointer->utsr0 +#define Ser3UTSR1 UART3_pointer->utsr1 +#endif /* LANGUAGE == C */ + +#define UTCR0_OFFSET 0x00 +#define UTCR1_OFFSET 0x04 +#define UTCR2_OFFSET 0x08 +#define UTCR3_OFFSET 0x0C +#define UTCR4_OFFSET 0x10 /* only for Serial Port 2 */ +#define UTDR_OFFSET 0x14 +#define UTSR0_OFFSET 0x1C +#define UTSR1_OFFSET 0x20 + +/* UTCR0 bits */ + +#define UTCR0_TCE bit(6) +#define UTCR0_RCE bit(5) +#define UTCR0_SCE bit(4) +#define UTCR0_DSS bit(3) +#define UTCR0_SBS bit(2) +#define UTCR0_OES bit(1) +#define UTCR0_PE bit(0) + +/* UTCR3 bits */ + +#define UTCR3_LBM bit(5) +#define UTCR3_TIE bit(4) +#define UTCR3_RIE bit(3) +#define UTCR3_BRK bit(2) +#define UTCR3_TXE bit(1) +#define UTCR3_RXE bit(0) + +/* UTCR4 bits */ + +#define UTCR4_LPM bit(1) +#define UTCR4_HSE bit(0) + +/* UTDR bits */ + +#define UTDR_ROR bit(10) +#define UTDR_FRE bit(9) +#define UTDR_PRE bit(8) + +/* UTSR0 bits */ + +#define UTSR0_EIF bit(5) +#define UTSR0_REB bit(4) +#define UTSR0_RBB bit(3) +#define UTSR0_RID bit(2) +#define UTSR0_RFS bit(1) +#define UTSR0_TFS bit(0) + +/* UTSR1 bits */ + +#define UTSR1_ROR bit(5) +#define UTSR1_FRE bit(4) +#define UTSR1_PRE bit(3) +#define UTSR1_TNF bit(2) +#define UTSR1_RNE bit(1) +#define UTSR1_TBY bit(0) + +#endif /* SA11X0_UART_H */