[HACK] Increase speed of l1ctl to 408250bps after boot

This is required to deal with the increased traffic of a passive listener

Note that it break the 'auto-restart' of osmocon when active because
the bootloader will send the prompt at 115200 baud and we won't see it ...

Change-Id: I3434bb020286ab72ba3556124786656eeacf10a9
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

src/host/osmocon/osmocon.c

@@ -236,6 +236,34 @@ static const uint8_t mtk_init_cmd[] =	{ 0xa0, 0x0a, 0x50, 0x05 };
 static const uint8_t mtk_init_resp[] =	{ 0x5f, 0xf5, 0xaf, 0xfa };
 static const uint8_t mtk_command[] =	{ 0xa1, 0xa2, 0xa4, 0xa8 };
 
+
+static int serial_up_to_eleven(void)
+{
+	int rv;
+
+	/* Attempt custom baudrate */
+	rv = osmo_serial_set_custom_baudrate(dnload.serial_fd.fd, 406250);
+	if (rv == 0)
+		return 0;
+
+#ifdef I_HAVE_A_CP210x /* and I know what I'm doing, I swear ! */
+	/* Try closest standard baudrate (CP210x reprogrammed adapters) */
+	rv = osmo_serial_set_baudrate(dnload.serial_fd.fd, B460800);
+	if (rv == 0)
+		return 0;
+#endif
+
+	/* Everything failed */
+	fprintf(stderr, "!!!\n");
+	fprintf(stderr, "!!! ERROR !!!\n");
+	fprintf(stderr, "!!!\n");
+	fprintf(stderr, "!!! Unable to set custom baudrate, please use appropriate cable\n");
+	fprintf(stderr, "!!! ( see wiki http://bb.osmocom.org/trac/wiki/Sniffing )\n");
+	fprintf(stderr, "!!!\n");
+
+	exit(-1);
+}
+
 static void beacon_timer_cb(void *p)
 {
 	int rc;
@@ -865,6 +893,8 @@ static int handle_read(void)
 			tick_timer.data = &tick_timer;
 			osmo_timer_schedule(&tick_timer, 0, dnload.beacon_interval);
 		}
+		else
+			serial_up_to_eleven();
 	} else if (!memcmp(buffer, phone_nack, sizeof(phone_nack))) {
 		printf("Received DOWNLOAD NACK from phone, something went"
 			" wrong :(\n");
@@ -1000,6 +1030,7 @@ static int handle_read_romload(void)
 		if (!memcmp(buffer, romload_branch_ack,
 			    sizeof(romload_branch_ack))) {
 			printf("Received branch ack, your code is running now!\n");
+			serial_up_to_eleven();
 			osmo_fd_update_when(&dnload.serial_fd, 0, OSMO_FD_READ);
 			dnload.romload_state = FINISHED;
 			dnload.write_ptr = dnload.data;

src/target/firmware/board/compal_e86/init.c

@@ -115,7 +115,7 @@ void board_init(int with_irq)
 
 	/* initialize MODEM UART to be used for sercomm */
 	uart_init(UART_MODEM, with_irq);
-	uart_baudrate(UART_MODEM, UART_115200);
+	uart_baudrate(UART_MODEM, UART_460800);
 
 	/* initialize IRDA UART to be used for old-school console code.
 	 * note: IRDA uart only accessible on C115 and C117 PCB */

src/target/firmware/board/compal_e88/init.c

@@ -110,7 +110,7 @@ void board_init(int with_irq)
 
 	/* initialize MODEM UART to be used for sercomm */
 	uart_init(UART_MODEM, with_irq);
-	uart_baudrate(UART_MODEM, UART_115200);
+	uart_baudrate(UART_MODEM, UART_460800);
 
 	/* Initialize IRDA UART to be used for old-school console code.
 	 * note: IRDA uart only accessible on C115 and C117 PCB */

src/target/firmware/board/compal_e99/init.c

@@ -120,7 +120,7 @@ void board_init(int with_irq)
 
 	/* initialize MODEM UART to be used for sercomm */
 	uart_init(UART_MODEM, with_irq);
-	uart_baudrate(UART_MODEM, UART_115200);
+	uart_baudrate(UART_MODEM, UART_460800);
 
 	/* initialize IRDA UART to be used for old-school console code.
 	 * note: IRDA uart only accessible on C115 and C117 PCB */

src/target/firmware/board/gta0x/init.c

@@ -105,7 +105,7 @@ void board_init(int with_irq)
 
 	/* initialize MODEM UART to be used for sercomm */
 	uart_init(UART_MODEM, with_irq);
-	uart_baudrate(UART_MODEM, UART_115200);
+	uart_baudrate(UART_MODEM, UART_460800);
 
 	/* Initialize IRDA UART to be used for old-school console code.
 	 * note: IRDA uart only accessible on C115 and C117 PCB */

src/target/firmware/board/pirelli_dpl10/init.c

@@ -125,7 +125,7 @@ void board_init(int with_irq)
 
 	/* initialize IRDA UART to be used for sercomm */
 	uart_init(UART_IRDA, with_irq);
-	uart_baudrate(UART_IRDA, UART_115200);
+	uart_baudrate(UART_IRDA, UART_460800);
 
 	/* Initialize MODEM UART to be used for old-school console code. */
 	uart_init(UART_MODEM, with_irq);