2 * arch/ppc/syslib/mv64x60_dbg.c
4 * KGDB and progress routines for the Marvell/Galileo MV64x60 (Discovery).
6 * Author: Mark A. Greer <mgreer@mvista.com>
8 * 2003 (c) MontaVista Software, Inc. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
15 *****************************************************************************
17 * Low-level MPSC/UART I/O routines
19 *****************************************************************************
23 #include <linux/config.h>
24 #include <linux/irq.h>
25 #include <asm/delay.h>
26 #include <asm/mv64x60.h>
29 #if defined(CONFIG_SERIAL_TEXT_DEBUG)
31 #define MPSC_CHR_1 0x000c
32 #define MPSC_CHR_2 0x0010
34 static struct mv64x60_handle mv64x60_dbg_bh;
37 mv64x60_progress_init(u32 base)
39 mv64x60_dbg_bh.v_base = base;
44 mv64x60_polled_putc(int chan, char c)
53 mv64x60_write(&mv64x60_dbg_bh, offset + MPSC_CHR_1, (u32)c);
54 mv64x60_write(&mv64x60_dbg_bh, offset + MPSC_CHR_2, 0x200);
59 mv64x60_mpsc_progress(char *s, unsigned short hex)
63 mv64x60_polled_putc(0, '\r');
65 while ((c = *s++) != 0)
66 mv64x60_polled_putc(0, c);
68 mv64x60_polled_putc(0, '\n');
69 mv64x60_polled_putc(0, '\r');
73 #endif /* CONFIG_SERIAL_TEXT_DEBUG */
76 #if defined(CONFIG_KGDB)
78 #if defined(CONFIG_KGDB_TTYS0)
80 #elif defined(CONFIG_KGDB_TTYS1)
83 #error "Invalid kgdb_tty port"
87 putDebugChar(unsigned char c)
89 mv64x60_polled_putc(KGDB_PORT, (char)c);
97 while (!mv64x60_polled_getc(KGDB_PORT, &c));
102 putDebugString(char* str)
104 while (*str != '\0') {
113 kgdb_interruptible(int enable)
120 if (ppc_md.early_serial_map)
121 ppc_md.early_serial_map();
123 #endif /* CONFIG_KGDB */