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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-24 19:33:38 +0100
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-25 23:24:16 +0100
commit1378df792a7ff3abd1bf54a63f5475784f5b083c (patch)
tree8c9ce1c8c10f89a10dd9234e8c1f01a774320351 /drivers/ns16550.c
parent2439e4bfa111babf4bc07ba20efbf3e36036813e (diff)
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drivers/serial : move serial drivers to drivers/serial
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/ns16550.c')
-rw-r--r--drivers/ns16550.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/drivers/ns16550.c b/drivers/ns16550.c
deleted file mode 100644
index 2429464..0000000
--- a/drivers/ns16550.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * COM1 NS16550 support
- * originally from linux source (arch/ppc/boot/ns16550.c)
- * modified to use CFG_ISA_MEM and new defines
- */
-
-#include <config.h>
-
-#ifdef CFG_NS16550
-
-#include <ns16550.h>
-
-#define LCRVAL LCR_8N1 /* 8 data, 1 stop, no parity */
-#define MCRVAL (MCR_DTR | MCR_RTS) /* RTS/DTR */
-#define FCRVAL (FCR_FIFO_EN | FCR_RXSR | FCR_TXSR) /* Clear & enable FIFOs */
-
-void NS16550_init (NS16550_t com_port, int baud_divisor)
-{
- com_port->ier = 0x00;
-#ifdef CONFIG_OMAP
- com_port->mdr1 = 0x7; /* mode select reset TL16C750*/
-#endif
- com_port->lcr = LCR_BKSE | LCRVAL;
- com_port->dll = baud_divisor & 0xff;
- com_port->dlm = (baud_divisor >> 8) & 0xff;
- com_port->lcr = LCRVAL;
- com_port->mcr = MCRVAL;
- com_port->fcr = FCRVAL;
-#if defined(CONFIG_OMAP)
-#if defined(CONFIG_APTIX)
- com_port->mdr1 = 3; /* /13 mode so Aptix 6MHz can hit 115200 */
-#else
- com_port->mdr1 = 0; /* /16 is proper to hit 115200 with 48MHz */
-#endif
-#endif
-}
-
-void NS16550_reinit (NS16550_t com_port, int baud_divisor)
-{
- com_port->ier = 0x00;
- com_port->lcr = LCR_BKSE;
- com_port->dll = baud_divisor & 0xff;
- com_port->dlm = (baud_divisor >> 8) & 0xff;
- com_port->lcr = LCRVAL;
- com_port->mcr = MCRVAL;
- com_port->fcr = FCRVAL;
-}
-
-void NS16550_putc (NS16550_t com_port, char c)
-{
- while ((com_port->lsr & LSR_THRE) == 0);
- com_port->thr = c;
-}
-
-char NS16550_getc (NS16550_t com_port)
-{
- while ((com_port->lsr & LSR_DR) == 0) {
-#ifdef CONFIG_USB_TTY
- extern void usbtty_poll(void);
- usbtty_poll();
-#endif
- }
- return (com_port->rbr);
-}
-
-int NS16550_tstc (NS16550_t com_port)
-{
- return ((com_port->lsr & LSR_DR) != 0);
-}
-
-#endif