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authorMike Frysinger <vapier.adi@gmail.com>2008-05-07 11:41:26 +0800
committerBryan Wu <cooloney@kernel.org>2008-05-07 11:41:26 +0800
commit45828b812ddb608ddf83eff11601f62b726d13ab (patch)
tree462b7f1d8eb16da3700e285a9b9035037c9f5085 /drivers/serial
parent89bf6dc51ac7adb5a7d443648d9eb76909a1df8e (diff)
Blackfin Serial Driver: abstract away DLAB differences into header
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/bfin_5xx.c40
1 files changed, 7 insertions, 33 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 869c99aa77a4..d6b4ead693b7 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -136,10 +136,7 @@ void kgdb_put_debug_char(int chr)
SSYNC();
}
-#ifndef CONFIG_BF54x
- UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB));
- SSYNC();
-#endif
+ UART_CLEAR_DLAB(uart);
UART_PUT_CHAR(uart, (unsigned char)chr);
SSYNC();
}
@@ -158,10 +155,7 @@ int kgdb_get_debug_char(void)
while(!(UART_GET_LSR(uart) & DR)) {
SSYNC();
}
-#ifndef CONFIG_BF54x
- UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB));
- SSYNC();
-#endif
+ UART_CLEAR_DLAB(uart);
chr = UART_GET_CHAR(uart);
SSYNC();
@@ -764,26 +758,15 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
UART_PUT_IER(uart, 0);
#endif
-#ifndef CONFIG_BF54x
/* Set DLAB in LCR to Access DLL and DLH */
- val = UART_GET_LCR(uart);
- val |= DLAB;
- UART_PUT_LCR(uart, val);
- SSYNC();
-#endif
+ UART_SET_DLAB(uart);
UART_PUT_DLL(uart, quot & 0xFF);
- SSYNC();
UART_PUT_DLH(uart, (quot >> 8) & 0xFF);
SSYNC();
-#ifndef CONFIG_BF54x
/* Clear DLAB in LCR to Access THR RBR IER */
- val = UART_GET_LCR(uart);
- val &= ~DLAB;
- UART_PUT_LCR(uart, val);
- SSYNC();
-#endif
+ UART_CLEAR_DLAB(uart);
UART_PUT_LCR(uart, lcr);
@@ -946,8 +929,7 @@ bfin_serial_console_get_options(struct bfin_serial_port *uart, int *baud,
status = UART_GET_IER(uart) & (ERBFI | ETBEI);
if (status == (ERBFI | ETBEI)) {
/* ok, the port was enabled */
- unsigned short lcr, val;
- unsigned short dlh, dll;
+ u16 lcr, dlh, dll;
lcr = UART_GET_LCR(uart);
@@ -964,22 +946,14 @@ bfin_serial_console_get_options(struct bfin_serial_port *uart, int *baud,
case 2: *bits = 7; break;
case 3: *bits = 8; break;
}
-#ifndef CONFIG_BF54x
/* Set DLAB in LCR to Access DLL and DLH */
- val = UART_GET_LCR(uart);
- val |= DLAB;
- UART_PUT_LCR(uart, val);
-#endif
+ UART_SET_DLAB(uart);
dll = UART_GET_DLL(uart);
dlh = UART_GET_DLH(uart);
-#ifndef CONFIG_BF54x
/* Clear DLAB in LCR to Access THR RBR IER */
- val = UART_GET_LCR(uart);
- val &= ~DLAB;
- UART_PUT_LCR(uart, val);
-#endif
+ UART_CLEAR_DLAB(uart);
*baud = get_sclk() / (16*(dll | dlh << 8));
}