From 4532cb696eb717419022dbaa8d408e7df7df7b68 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 27 Apr 2003 22:52:51 +0000
Subject: * LWMON extensions:   - Splashscreen support   - modem support   -
 sysmon support   - temperature dependend enabling of LCD

* Allow booting from old "PPCBoot" disk partitions

* Add support for TQM8255 Board / MPC8255 CPU
---
 lib_ppc/board.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)

(limited to 'lib_ppc/board.c')

diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index eb67942d77..4b1edeec0d 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -307,6 +307,9 @@ init_fnc_t *init_sequence[] = {
 #endif
 #if defined(CONFIG_DTT)		/* Digital Thermometers and Thermostats */
 	dtt_init,
+#endif
+#ifdef CONFIG_POST
+	post_init_f,
 #endif
 	INIT_FUNC_WATCHDOG_RESET
 	init_func_ram,
@@ -976,6 +979,13 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	}
 #endif
 
+#ifdef CONFIG_MODEM_SUPPORT
+ {
+	 extern int do_mdm_init;
+	 do_mdm_init = gd->do_mdm_init;
+ }
+#endif
+
 	/* Initialization complete - start the monitor */
 
 	/* main_loop() can return to retry autoboot, if so just run it again. */
@@ -993,6 +1003,104 @@ void hang (void)
 	for (;;);
 }
 
+#ifdef CONFIG_MODEM_SUPPORT
+/* called from main loop (common/main.c) */
+extern void  dbg(const char *fmt, ...);
+int mdm_init (void)
+{
+	char env_str[16];
+	char *init_str;
+	int i;
+	extern char console_buffer[];
+	static inline void mdm_readline(char *buf, int bufsiz);
+	extern void enable_putc(void);
+	extern int hwflow_onoff(int);
+
+	enable_putc(); /* enable serial_putc() */
+
+#ifdef CONFIG_HWFLOW
+	init_str = getenv("mdm_flow_control");
+	if (init_str && (strcmp(init_str, "rts/cts") == 0))
+		hwflow_onoff (1);
+	else
+		hwflow_onoff(-1);
+#endif
+
+	for (i = 1;;i++) {
+		sprintf(env_str, "mdm_init%d", i);
+		if ((init_str = getenv(env_str)) != NULL) {
+			serial_puts(init_str);
+			serial_puts("\n");
+			for(;;) {
+				mdm_readline(console_buffer, CFG_CBSIZE);
+				dbg("ini%d: [%s]", i, console_buffer);
+
+				if ((strcmp(console_buffer, "OK") == 0) ||
+					(strcmp(console_buffer, "ERROR") == 0)) {
+					dbg("ini%d: cmd done", i);
+					break;
+				} else /* in case we are originating call ... */
+					if (strncmp(console_buffer, "CONNECT", 7) == 0) {
+						dbg("ini%d: connect", i);
+						return 0;
+					}
+			}
+		} else
+			break; /* no init string - stop modem init */
+
+		udelay(100000);
+	}
+
+	udelay(100000);
+
+	/* final stage - wait for connect */
+	for(;i > 1;) { /* if 'i' > 1 - wait for connection
+				  message from modem */
+		mdm_readline(console_buffer, CFG_CBSIZE);
+		dbg("ini_f: [%s]", console_buffer);
+		if (strncmp(console_buffer, "CONNECT", 7) == 0) {
+			dbg("ini_f: connected");
+			return 0;
+		}
+	}
+
+	return 0;
+}
+
+/* 'inline' - We have to do it fast */
+static inline void mdm_readline(char *buf, int bufsiz)
+{
+	char c;
+	char *p;
+	int n;
+
+	n = 0;
+	p = buf;
+	for(;;) {
+		c = serial_getc();
+
+		/*		dbg("(%c)", c); */
+
+		switch(c) {
+		case '\r':
+			break;
+		case '\n':
+			*p = '\0';
+			return;
+
+		default:
+			if(n++ > bufsiz) {
+				*p = '\0';
+				return; /* sanity check */
+			}
+			*p = c;
+			p++;
+			break;
+		}
+	}
+}
+#endif
+
 #if 0 /* We could use plain global data, but the resulting code is bigger */
 /*
  * Pointer to initial global data area
-- 
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