English
- /*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * ########################################################################
- *
- * This is the interface to the remote debugger stub.
- *
- */
- #include <linux/serialP.h>
- #include <linux/serial_reg.h>
- #include <asm/serial.h>
- #include <asm/io.h>
- #include <asm/hp-lj/asic.h>
- int putDebugChar(char c);
- char getDebugChar(void);
- /////////////////////// andros values ///////////////////////////////////////////////////////
- #define SERIAL_REG(offset) (*((volatile unsigned int*)(HPSR_BASE_ADDR|offset)))
- // Register set base address
- #define HPSR_BASE_ADDR 0xbfe00000UL
- // Transmit / Receive Data
- #define HPSR_DATA_OFFSET 0x00020010UL
- // Transmit control / status
- #define HPSR_TX_STAT_OFFSET 0x0002000CUL
- // Receive status
- #define HPSR_RX_STAT_OFFSET 0x00020008UL
- #define HPSR_TX_STAT_READY 0x8UL
- #define HPSR_RX_DATA_AVAIL 0x4UL
- /////////////////////// harmony values ///////////////////////////////////////////////////////
- // Transmit / Receive Data
- #define H_HPSR_DATA_TX *((volatile unsigned int*)0xbff65014)
- // Transmit / Receive Data
- #define H_HPSR_DATA_RX *((volatile unsigned int*)0xbff65018)
- // Status
- #define H_HPSR_STAT *((volatile unsigned int*)0xbff65004)
- // harmony serial status bits
- #define H_SER_STAT_TX_EMPTY 0x04
- #define H_SER_STAT_RX_EMPTY 0x10
- int putDebugChar(char c)
- {
- if (GetAsicId() == HarmonyAsic) {
- while (!( ( (H_HPSR_STAT) & H_SER_STAT_TX_EMPTY) != 0));
- H_HPSR_DATA_TX = (unsigned int) c;
- } else if (GetAsicId() == AndrosAsic) {
- while (((SERIAL_REG(HPSR_TX_STAT_OFFSET) & HPSR_TX_STAT_READY) == 0))
- ;
- SERIAL_REG(HPSR_DATA_OFFSET) = (unsigned int) c;
- }
- return 1;
- }
- char getDebugChar(void)
- {
- if (GetAsicId() == HarmonyAsic) {
- while (!(((H_HPSR_STAT) & H_SER_STAT_RX_EMPTY) == 0));
- return H_HPSR_DATA_RX;
- } else if (GetAsicId() == AndrosAsic) {
- while ((SERIAL_REG(HPSR_RX_STAT_OFFSET) & HPSR_RX_DATA_AVAIL) == 0)
- ;
- return (SERIAL_REG(HPSR_DATA_OFFSET));
- }
- }
