|
|
|
|
@ -1,7 +1,5 @@ |
|
|
|
|
Index: linux-2.6.25.4/drivers/serial/amba-pl010.c
|
|
|
|
|
===================================================================
|
|
|
|
|
--- linux-2.6.25.4.orig/drivers/serial/amba-pl010.c
|
|
|
|
|
+++ linux-2.6.25.4/drivers/serial/amba-pl010.c
|
|
|
|
|
--- a/drivers/serial/amba-pl010.c
|
|
|
|
|
+++ b/drivers/serial/amba-pl010.c
|
|
|
|
|
@@ -52,11 +52,10 @@
|
|
|
|
|
|
|
|
|
|
#include <asm/io.h>
|
|
|
|
|
@ -16,7 +14,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
|
|
|
|
|
#define AMBA_ISR_PASS_LIMIT 256
|
|
|
|
|
|
|
|
|
|
@@ -82,7 +81,7 @@ static void pl010_stop_tx(struct uart_po
|
|
|
|
|
@@ -82,7 +81,7 @@
|
|
|
|
|
struct uart_amba_port *uap = (struct uart_amba_port *)port;
|
|
|
|
|
unsigned int cr;
|
|
|
|
|
|
|
|
|
|
@ -25,7 +23,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
cr &= ~UART010_CR_TIE;
|
|
|
|
|
writel(cr, uap->port.membase + UART010_CR);
|
|
|
|
|
}
|
|
|
|
|
@@ -92,7 +91,7 @@ static void pl010_start_tx(struct uart_p
|
|
|
|
|
@@ -92,7 +91,7 @@
|
|
|
|
|
struct uart_amba_port *uap = (struct uart_amba_port *)port;
|
|
|
|
|
unsigned int cr;
|
|
|
|
|
|
|
|
|
|
@ -34,7 +32,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
cr |= UART010_CR_TIE;
|
|
|
|
|
writel(cr, uap->port.membase + UART010_CR);
|
|
|
|
|
}
|
|
|
|
|
@@ -102,7 +101,7 @@ static void pl010_stop_rx(struct uart_po
|
|
|
|
|
@@ -102,7 +101,7 @@
|
|
|
|
|
struct uart_amba_port *uap = (struct uart_amba_port *)port;
|
|
|
|
|
unsigned int cr;
|
|
|
|
|
|
|
|
|
|
@ -43,7 +41,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
|
|
|
|
|
writel(cr, uap->port.membase + UART010_CR);
|
|
|
|
|
}
|
|
|
|
|
@@ -112,7 +111,7 @@ static void pl010_enable_ms(struct uart_
|
|
|
|
|
@@ -112,7 +111,7 @@
|
|
|
|
|
struct uart_amba_port *uap = (struct uart_amba_port *)port;
|
|
|
|
|
unsigned int cr;
|
|
|
|
|
|
|
|
|
|
@ -52,7 +50,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
cr |= UART010_CR_MSIE;
|
|
|
|
|
writel(cr, uap->port.membase + UART010_CR);
|
|
|
|
|
}
|
|
|
|
|
@@ -122,9 +121,9 @@ static void pl010_rx_chars(struct uart_a
|
|
|
|
|
@@ -122,9 +121,9 @@
|
|
|
|
|
struct tty_struct *tty = uap->port.info->tty;
|
|
|
|
|
unsigned int status, ch, flag, rsr, max_count = 256;
|
|
|
|
|
|
|
|
|
|
@ -64,7 +62,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
flag = TTY_NORMAL;
|
|
|
|
|
|
|
|
|
|
uap->port.icount.rx++;
|
|
|
|
|
@@ -133,7 +132,7 @@ static void pl010_rx_chars(struct uart_a
|
|
|
|
|
@@ -133,7 +132,7 @@
|
|
|
|
|
* Note that the error handling code is
|
|
|
|
|
* out of the main execution path
|
|
|
|
|
*/
|
|
|
|
|
@ -73,7 +71,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
if (unlikely(rsr & UART01x_RSR_ANY)) {
|
|
|
|
|
writel(0, uap->port.membase + UART01x_ECR);
|
|
|
|
|
|
|
|
|
|
@@ -165,7 +164,7 @@ static void pl010_rx_chars(struct uart_a
|
|
|
|
|
@@ -165,7 +164,7 @@
|
|
|
|
|
uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
|
|
|
|
|
|
|
|
|
|
ignore_char:
|
|
|
|
|
@ -82,7 +80,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
}
|
|
|
|
|
spin_unlock(&uap->port.lock);
|
|
|
|
|
tty_flip_buffer_push(tty);
|
|
|
|
|
@@ -210,7 +209,7 @@ static void pl010_modem_status(struct ua
|
|
|
|
|
@@ -210,7 +209,7 @@
|
|
|
|
|
|
|
|
|
|
writel(0, uap->port.membase + UART010_ICR);
|
|
|
|
|
|
|
|
|
|
@ -91,7 +89,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
|
|
|
|
|
delta = status ^ uap->old_status;
|
|
|
|
|
uap->old_status = status;
|
|
|
|
|
@@ -238,7 +237,7 @@ static irqreturn_t pl010_int(int irq, vo
|
|
|
|
|
@@ -238,7 +237,7 @@
|
|
|
|
|
|
|
|
|
|
spin_lock(&uap->port.lock);
|
|
|
|
|
|
|
|
|
|
@ -100,7 +98,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
if (status) {
|
|
|
|
|
do {
|
|
|
|
|
if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
|
|
|
|
|
@@ -251,7 +250,7 @@ static irqreturn_t pl010_int(int irq, vo
|
|
|
|
|
@@ -251,7 +250,7 @@
|
|
|
|
|
if (pass_counter-- == 0)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
@ -109,7 +107,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
} while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
|
|
|
|
|
UART010_IIR_TIS));
|
|
|
|
|
handled = 1;
|
|
|
|
|
@@ -265,7 +264,7 @@ static irqreturn_t pl010_int(int irq, vo
|
|
|
|
|
@@ -265,7 +264,7 @@
|
|
|
|
|
static unsigned int pl010_tx_empty(struct uart_port *port)
|
|
|
|
|
{
|
|
|
|
|
struct uart_amba_port *uap = (struct uart_amba_port *)port;
|
|
|
|
|
@ -118,7 +116,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -275,7 +274,7 @@ static unsigned int pl010_get_mctrl(stru
|
|
|
|
|
@@ -275,7 +274,7 @@
|
|
|
|
|
unsigned int result = 0;
|
|
|
|
|
unsigned int status;
|
|
|
|
|
|
|
|
|
|
@ -127,7 +125,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
if (status & UART01x_FR_DCD)
|
|
|
|
|
result |= TIOCM_CAR;
|
|
|
|
|
if (status & UART01x_FR_DSR)
|
|
|
|
|
@@ -301,7 +300,7 @@ static void pl010_break_ctl(struct uart_
|
|
|
|
|
@@ -301,7 +300,7 @@
|
|
|
|
|
unsigned int lcr_h;
|
|
|
|
|
|
|
|
|
|
spin_lock_irqsave(&uap->port.lock, flags);
|
|
|
|
|
@ -136,7 +134,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
if (break_state == -1)
|
|
|
|
|
lcr_h |= UART01x_LCRH_BRK;
|
|
|
|
|
else
|
|
|
|
|
@@ -334,7 +333,7 @@ static int pl010_startup(struct uart_por
|
|
|
|
|
@@ -334,7 +333,7 @@
|
|
|
|
|
/*
|
|
|
|
|
* initialise the old status of the modem signals
|
|
|
|
|
*/
|
|
|
|
|
@ -145,7 +143,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Finally, enable interrupts
|
|
|
|
|
@@ -365,7 +364,7 @@ static void pl010_shutdown(struct uart_p
|
|
|
|
|
@@ -365,7 +364,7 @@
|
|
|
|
|
writel(0, uap->port.membase + UART010_CR);
|
|
|
|
|
|
|
|
|
|
/* disable break condition and fifos */
|
|
|
|
|
@ -154,7 +152,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
|
|
|
|
|
uap->port.membase + UART010_LCRH);
|
|
|
|
|
|
|
|
|
|
@@ -387,7 +386,7 @@ pl010_set_termios(struct uart_port *port
|
|
|
|
|
@@ -387,7 +386,7 @@
|
|
|
|
|
/*
|
|
|
|
|
* Ask the core to calculate the divisor for us.
|
|
|
|
|
*/
|
|
|
|
|
@ -163,7 +161,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
quot = uart_get_divisor(port, baud);
|
|
|
|
|
|
|
|
|
|
switch (termios->c_cflag & CSIZE) {
|
|
|
|
|
@@ -450,7 +449,7 @@ pl010_set_termios(struct uart_port *port
|
|
|
|
|
@@ -450,7 +449,7 @@
|
|
|
|
|
uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
|
|
|
|
|
|
|
|
|
|
/* first, disable everything */
|
|
|
|
|
@ -172,7 +170,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
|
|
|
|
|
if (UART_ENABLE_MS(port, termios->c_cflag))
|
|
|
|
|
old_cr |= UART010_CR_MSIE;
|
|
|
|
|
@@ -540,7 +539,7 @@ static struct uart_ops amba_pl010_pops =
|
|
|
|
|
@@ -540,7 +539,7 @@
|
|
|
|
|
.verify_port = pl010_verify_port,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
@ -181,7 +179,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
|
|
|
|
|
|
|
|
|
|
@@ -550,7 +549,7 @@ static void pl010_console_putchar(struct
|
|
|
|
|
@@ -550,7 +549,7 @@
|
|
|
|
|
unsigned int status;
|
|
|
|
|
|
|
|
|
|
do {
|
|
|
|
|
@ -190,7 +188,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
barrier();
|
|
|
|
|
} while (!UART_TX_READY(status));
|
|
|
|
|
writel(ch, uap->port.membase + UART01x_DR);
|
|
|
|
|
@@ -567,7 +566,7 @@ pl010_console_write(struct console *co,
|
|
|
|
|
@@ -567,7 +566,7 @@
|
|
|
|
|
/*
|
|
|
|
|
* First save the CR then disable the interrupts
|
|
|
|
|
*/
|
|
|
|
|
@ -199,7 +197,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
|
|
|
|
|
|
|
|
|
|
uart_console_write(&uap->port, s, count, pl010_console_putchar);
|
|
|
|
|
@@ -577,7 +576,7 @@ pl010_console_write(struct console *co,
|
|
|
|
|
@@ -577,7 +576,7 @@
|
|
|
|
|
* and restore the TCR
|
|
|
|
|
*/
|
|
|
|
|
do {
|
|
|
|
|
@ -208,7 +206,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
barrier();
|
|
|
|
|
} while (status & UART01x_FR_BUSY);
|
|
|
|
|
writel(old_cr, uap->port.membase + UART010_CR);
|
|
|
|
|
@@ -589,9 +588,9 @@ static void __init
|
|
|
|
|
@@ -589,9 +588,9 @@
|
|
|
|
|
pl010_console_get_options(struct uart_amba_port *uap, int *baud,
|
|
|
|
|
int *parity, int *bits)
|
|
|
|
|
{
|
|
|
|
|
@ -220,7 +218,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
|
|
|
|
|
*parity = 'n';
|
|
|
|
|
if (lcr_h & UART01x_LCRH_PEN) {
|
|
|
|
|
@@ -606,8 +605,8 @@ pl010_console_get_options(struct uart_am
|
|
|
|
|
@@ -606,8 +605,8 @@
|
|
|
|
|
else
|
|
|
|
|
*bits = 8;
|
|
|
|
|
|
|
|
|
|
@ -231,7 +229,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
*baud = uap->port.uartclk / (16 * (quot + 1));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
@@ -625,7 +624,7 @@ static int __init pl010_console_setup(st
|
|
|
|
|
@@ -625,7 +624,7 @@
|
|
|
|
|
* if so, search for the first available port that does have
|
|
|
|
|
* console support.
|
|
|
|
|
*/
|
|
|
|
|
@ -240,7 +238,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
co->index = 0;
|
|
|
|
|
uap = amba_ports[co->index];
|
|
|
|
|
if (!uap)
|
|
|
|
|
@@ -643,7 +642,7 @@ static int __init pl010_console_setup(st
|
|
|
|
|
@@ -643,7 +642,7 @@
|
|
|
|
|
|
|
|
|
|
static struct uart_driver amba_reg;
|
|
|
|
|
static struct console amba_console = {
|
|
|
|
|
@ -249,7 +247,7 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
.write = pl010_console_write,
|
|
|
|
|
.device = uart_console_device,
|
|
|
|
|
.setup = pl010_console_setup,
|
|
|
|
|
@@ -659,11 +658,11 @@ static struct console amba_console = {
|
|
|
|
|
@@ -659,11 +658,11 @@
|
|
|
|
|
|
|
|
|
|
static struct uart_driver amba_reg = {
|
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
|
@ -264,11 +262,9 @@ Index: linux-2.6.25.4/drivers/serial/amba-pl010.c |
|
|
|
|
.cons = AMBA_CONSOLE,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
Index: linux-2.6.25.4/drivers/serial/Kconfig
|
|
|
|
|
===================================================================
|
|
|
|
|
--- linux-2.6.25.4.orig/drivers/serial/Kconfig
|
|
|
|
|
+++ linux-2.6.25.4/drivers/serial/Kconfig
|
|
|
|
|
@@ -287,10 +287,25 @@ config SERIAL_AMBA_PL010
|
|
|
|
|
--- a/drivers/serial/Kconfig
|
|
|
|
|
+++ b/drivers/serial/Kconfig
|
|
|
|
|
@@ -287,10 +287,25 @@
|
|
|
|
|
help
|
|
|
|
|
This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
|
|
|
|
|
an Integrator/AP or Integrator/PP2 platform, or if you have a
|
|
|
|
|
|
Gabor Juhos
16 years ago