summaryrefslogtreecommitdiff
path: root/drivers/serial/ns16550.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/serial/ns16550.c')
-rw-r--r--drivers/serial/ns16550.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 67b1d60171..fd110b3ddc 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -57,7 +57,7 @@ DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_DM_SERIAL
-static inline void serial_out_shift(unsigned char *addr, int shift, int value)
+static inline void serial_out_shift(void *addr, int shift, int value)
{
#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
outb(value, (ulong)addr);
@@ -72,7 +72,7 @@ static inline void serial_out_shift(unsigned char *addr, int shift, int value)
#endif
}
-static inline int serial_in_shift(unsigned char *addr, int shift)
+static inline int serial_in_shift(void *addr, int shift)
{
#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
return inb((ulong)addr);
@@ -114,9 +114,11 @@ static int ns16550_readb(NS16550_t port, int offset)
/* We can clean these up once everything is moved to driver model */
#define serial_out(value, addr) \
- ns16550_writeb(com_port, addr - (unsigned char *)com_port, value)
+ ns16550_writeb(com_port, \
+ (unsigned char *)addr - (unsigned char *)com_port, value)
#define serial_in(addr) \
- ns16550_readb(com_port, addr - (unsigned char *)com_port)
+ ns16550_readb(com_port, \
+ (unsigned char *)addr - (unsigned char *)com_port)
#endif
static inline int calc_divisor(NS16550_t port, int clock, int baudrate)
@@ -173,7 +175,6 @@ void NS16550_init(NS16550_t com_port, int baud_divisor)
defined(CONFIG_TI81XX) || defined(CONFIG_AM43XX)
serial_out(0x7, &com_port->mdr1); /* mode select reset TL16C750*/
#endif
- NS16550_setbrg(com_port, 0);
serial_out(UART_MCRVAL, &com_port->mcr);
serial_out(UART_FCRVAL, &com_port->fcr);
if (baud_divisor != -1)
@@ -254,15 +255,20 @@ void debug_uart_init(void)
*/
baud_divisor = calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK,
CONFIG_BAUDRATE);
-
- serial_out_shift(&com_port->ier, 0, CONFIG_SYS_NS16550_IER);
- serial_out_shift(&com_port->mcr, 0, UART_MCRVAL);
- serial_out_shift(&com_port->fcr, 0, UART_FCRVAL);
-
- serial_out_shift(&com_port->lcr, 0, UART_LCR_BKSE | UART_LCRVAL);
- serial_out_shift(&com_port->dll, 0, baud_divisor & 0xff);
- serial_out_shift(&com_port->dlm, 0, (baud_divisor >> 8) & 0xff);
- serial_out_shift(&com_port->lcr, 0, UART_LCRVAL);
+ baud_divisor = 13;
+ serial_out_shift(&com_port->ier, CONFIG_DEBUG_UART_SHIFT,
+ CONFIG_SYS_NS16550_IER);
+ serial_out_shift(&com_port->mcr, CONFIG_DEBUG_UART_SHIFT, UART_MCRVAL);
+ serial_out_shift(&com_port->fcr, CONFIG_DEBUG_UART_SHIFT, UART_FCRVAL);
+
+ serial_out_shift(&com_port->lcr, CONFIG_DEBUG_UART_SHIFT,
+ UART_LCR_BKSE | UART_LCRVAL);
+ serial_out_shift(&com_port->dll, CONFIG_DEBUG_UART_SHIFT,
+ baud_divisor & 0xff);
+ serial_out_shift(&com_port->dlm, CONFIG_DEBUG_UART_SHIFT,
+ (baud_divisor >> 8) & 0xff);
+ serial_out_shift(&com_port->lcr, CONFIG_DEBUG_UART_SHIFT,
+ UART_LCRVAL);
}
static inline void _debug_uart_putc(int ch)
@@ -271,7 +277,7 @@ static inline void _debug_uart_putc(int ch)
while (!(serial_in_shift(&com_port->lsr, 0) & UART_LSR_THRE))
;
- serial_out_shift(&com_port->thr, 0, ch);
+ serial_out_shift(&com_port->thr, CONFIG_DEBUG_UART_SHIFT, ch);
}
DEBUG_UART_FUNCS