sysmo-bts
/
barebox
9
0
Fork 0
Code Releases Activity

at91rm9200ek: add usb serial support 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-03-30 06:58:42 +02:00 committed by Sascha Hauer
parent 5fd011bb70
commit 74cfe1b8ad
3 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm/boards/at91rm9200ek/env/bin/init_board vendored Normal file
View File

@ -0,0 +1,11 @@
#!/bin/sh
if [ $at91_udc0.vbus != 1 ]
then
echo "No USB Device cable plugged, normal boot"
exit
fi
autoboot_timeout=16
echo "enable tty over USB Device, increase the boot delay to ${autoboot_timeout}s"
usbserial

19
arch/arm/boards/at91rm9200ek/init.c
View File

@ -88,6 +88,24 @@ static void ek_device_add_leds(void)
static void ek_device_add_leds(void) {}
#endif
#if defined(CONFIG_USB_GADGET_DRIVER_AT91)
/*
* USB Device port
*/
static struct at91_udc_data __initdata ek_udc_data = {
.vbus_pin = AT91_PIN_PD4,
.pullup_pin = AT91_PIN_PD5,
};
static void ek_add_device_udc(void)
{
at91_add_device_udc(&ek_udc_data);
at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
}
#else
static void ek_add_device_udc(void) {}
#endif
static int at91rm9200ek_devices_init(void)
{
/*
@ -102,6 +120,7 @@ static int at91rm9200ek_devices_init(void)
/* USB Host */
at91_add_device_usbh_ohci(&ek_usbh_data);
ek_device_add_leds();
ek_add_device_udc();
#if defined(CONFIG_DRIVER_CFI) || defined(CONFIG_DRIVER_CFI_OLD)
devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self");

5
arch/arm/configs/at91rm9200ek_defconfig
View File

@ -1,4 +1,5 @@
CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
CONFIG_EXPERIMENTAL=y
CONFIG_PROMPT="9200-EK:"
CONFIG_LONGHELP=y
CONFIG_GLOB=y
@ -7,6 +8,8 @@ CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
CONFIG_MENU=y
CONFIG_PARTITION=y
# CONFIG_CONSOLE_ACTIVATE_FIRST is not set
CONFIG_CONSOLE_ACTIVATE_ALL=y
CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/at91rm9200ek/env"
CONFIG_CMD_EDIT=y
@ -53,6 +56,8 @@ CONFIG_DRIVER_CFI=y
CONFIG_CFI_BUFFER_WRITE=y
CONFIG_MTD=y
CONFIG_UBI=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_SERIAL=y
CONFIG_LED=y
CONFIG_LED_GPIO=y
CONFIG_LED_TRIGGERS=y