diff options
Diffstat (limited to 'src/mainboard/lippert/roadrunner-lx/mainboard.c')
| -rw-r--r-- | src/mainboard/lippert/roadrunner-lx/mainboard.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mainboard/lippert/roadrunner-lx/mainboard.c b/src/mainboard/lippert/roadrunner-lx/mainboard.c index e0d3fa703e..31fdd46e8f 100644 --- a/src/mainboard/lippert/roadrunner-lx/mainboard.c +++ b/src/mainboard/lippert/roadrunner-lx/mainboard.c @@ -29,6 +29,13 @@ #include <device/pci_ids.h> #include "chip.h" +/* Bit1 switches Com1 to RS485, bit2 same for Com2, bit5 turns off the Live LED. */ +#if CONFIG_ONBOARD_UARTS_RS485 + #define SIO_GP1X_CONFIG 0x26 +#else + #define SIO_GP1X_CONFIG 0x20 +#endif + static const u16 ec_init_table[] = { /* hi=data, lo=index */ 0x1900, /* Enable monitoring */ 0x0351, /* TMPIN1,2 diode mode, TMPIN3 off */ @@ -40,7 +47,6 @@ static const u16 ec_init_table[] = { /* hi=data, lo=index */ static void init(struct device *dev) { - struct mainboard_config *mb = dev->chip_info; unsigned int gpio_base, i; printk(BIOS_DEBUG, "LiPPERT RoadRunner-LX ENTER %s\n", __func__); @@ -61,7 +67,8 @@ static void init(struct device *dev) outb(val >> 8, 0x0296); } - outb(mb->sio_gp1x_config, 0x1220); /* Simple-I/O GP17-10 */ + /* bit5 = Live LED, bit2 = RS485_EN2, bit1 = RS485_EN1 */ + outb(SIO_GP1X_CONFIG, 0x1220); /* Simple-I/O GP17-10 */ printk(BIOS_DEBUG, "LiPPERT RoadRunner-LX EXIT %s\n", __func__); } |