diff options
Diffstat (limited to 'src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c')
| -rw-r--r-- | src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c b/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c index 70f7b20174..3d17d2d5cd 100644 --- a/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c +++ b/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c @@ -22,37 +22,39 @@ #include <arch/romcc_io.h> #include "lpc47m10x.h" -//---------------------------------------------------------------------------------- -// Function: pnp_enter_conf_state -// Parameters: dev - high 8 bits = Super I/O port -// Return Value: None -// Description: Enable access to the LPC47M10X2's configuration registers. -// -static inline void pnp_enter_conf_state(device_t dev) { +/* + * Function: pnp_enter_conf_state + * Parameters: dev - high 8 bits = Super I/O port + * Return Value: None + * Description: Enable access to the LPC47M10X2's configuration registers. + */ +static inline void pnp_enter_conf_state(device_t dev) +{ unsigned port = dev>>8; - outb(0x55, port); + outb(0x55, port); } -//---------------------------------------------------------------------------------- -// Function: pnp_exit_conf_state -// Parameters: dev - high 8 bits = Super I/O port -// Return Value: None -// Description: Disable access to the LPC47M10X2's configuration registers. -// -static void pnp_exit_conf_state(device_t dev) { +/* + * Function: pnp_exit_conf_state + * Parameters: dev - high 8 bits = Super I/O port + * Return Value: None + * Description: Disable access to the LPC47M10X2's configuration registers. + */ +static void pnp_exit_conf_state(device_t dev) +{ unsigned port = dev>>8; - outb(0xaa, port); + outb(0xaa, port); } -//---------------------------------------------------------------------------------- -// Function: lpc47b272_enable_serial -// Parameters: dev - high 8 bits = Super I/O port, -// low 8 bits = logical device number (per lpc47b272.h) -// iobase - processor I/O port address to assign to this serial device -// Return Value: bool -// Description: Configure the base I/O port of the specified serial device -// and enable the serial device. -// +/* + * Function: lpc47b272_enable_serial + * Parameters: dev - high 8 bits = Super I/O port, + * low 8 bits = logical device number (per lpc47b272.h) + * iobase - processor I/O port address to assign to this serial device + * Return Value: bool + * Description: Configure the base I/O port of the specified serial device + * and enable the serial device. + */ static void lpc47b272_enable_serial(device_t dev, unsigned iobase) { pnp_enter_conf_state(dev); |