diff options
Diffstat (limited to 'lib_ppc/board.c')
| -rw-r--r-- | lib_ppc/board.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/lib_ppc/board.c b/lib_ppc/board.c index eb67942d7..4b1edeec0 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -308,6 +308,9 @@ init_fnc_t *init_sequence[] = { #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, #if defined(CFG_DRAM_TEST) @@ -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 |