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-rw-r--r--drivers/serial/amba-pl010.c295
-rw-r--r--drivers/serial/atmel_serial.c9
-rw-r--r--drivers/serial/atmel_serial.h3
-rw-r--r--drivers/serial/imx.c268
4 files changed, 385 insertions, 190 deletions
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index f69bd097166..1a9a24b8263 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -48,6 +48,7 @@
#include <linux/serial.h>
#include <linux/amba/bus.h>
#include <linux/amba/serial.h>
+#include <linux/clk.h>
#include <asm/io.h>
@@ -70,6 +71,7 @@
*/
struct uart_amba_port {
struct uart_port port;
+ struct clk *clk;
struct amba_device *dev;
struct amba_pl010_data *data;
unsigned int old_status;
@@ -77,73 +79,77 @@ struct uart_amba_port {
static void pl010_stop_tx(struct uart_port *port)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(port->membase + UART010_CR);
+ cr = readb(uap->port.membase + UART010_CR);
cr &= ~UART010_CR_TIE;
- writel(cr, port->membase + UART010_CR);
+ writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_start_tx(struct uart_port *port)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(port->membase + UART010_CR);
+ cr = readb(uap->port.membase + UART010_CR);
cr |= UART010_CR_TIE;
- writel(cr, port->membase + UART010_CR);
+ writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_stop_rx(struct uart_port *port)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(port->membase + UART010_CR);
+ cr = readb(uap->port.membase + UART010_CR);
cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
- writel(cr, port->membase + UART010_CR);
+ writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_enable_ms(struct uart_port *port)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(port->membase + UART010_CR);
+ cr = readb(uap->port.membase + UART010_CR);
cr |= UART010_CR_MSIE;
- writel(cr, port->membase + UART010_CR);
+ writel(cr, uap->port.membase + UART010_CR);
}
-static void pl010_rx_chars(struct uart_port *port)
+static void pl010_rx_chars(struct uart_amba_port *uap)
{
- struct tty_struct *tty = port->info->tty;
+ struct tty_struct *tty = uap->port.info->tty;
unsigned int status, ch, flag, rsr, max_count = 256;
- status = readb(port->membase + UART01x_FR);
+ status = readb(uap->port.membase + UART01x_FR);
while (UART_RX_DATA(status) && max_count--) {
- ch = readb(port->membase + UART01x_DR);
+ ch = readb(uap->port.membase + UART01x_DR);
flag = TTY_NORMAL;
- port->icount.rx++;
+ uap->port.icount.rx++;
/*
* Note that the error handling code is
* out of the main execution path
*/
- rsr = readb(port->membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
+ rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
if (unlikely(rsr & UART01x_RSR_ANY)) {
- writel(0, port->membase + UART01x_ECR);
+ writel(0, uap->port.membase + UART01x_ECR);
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
- port->icount.brk++;
- if (uart_handle_break(port))
+ uap->port.icount.brk++;
+ if (uart_handle_break(&uap->port))
goto ignore_char;
} else if (rsr & UART01x_RSR_PE)
- port->icount.parity++;
+ uap->port.icount.parity++;
else if (rsr & UART01x_RSR_FE)
- port->icount.frame++;
+ uap->port.icount.frame++;
if (rsr & UART01x_RSR_OE)
- port->icount.overrun++;
+ uap->port.icount.overrun++;
- rsr &= port->read_status_mask;
+ rsr &= uap->port.read_status_mask;
if (rsr & UART01x_RSR_BE)
flag = TTY_BREAK;
@@ -153,53 +159,52 @@ static void pl010_rx_chars(struct uart_port *port)
flag = TTY_FRAME;
}
- if (uart_handle_sysrq_char(port, ch))
+ if (uart_handle_sysrq_char(&uap->port, ch))
goto ignore_char;
- uart_insert_char(port, rsr, UART01x_RSR_OE, ch, flag);
+ uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
ignore_char:
- status = readb(port->membase + UART01x_FR);
+ status = readb(uap->port.membase + UART01x_FR);
}
tty_flip_buffer_push(tty);
return;
}
-static void pl010_tx_chars(struct uart_port *port)
+static void pl010_tx_chars(struct uart_amba_port *uap)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &uap->port.info->xmit;
int count;
- if (port->x_char) {
- writel(port->x_char, port->membase + UART01x_DR);
- port->icount.tx++;
- port->x_char = 0;
+ if (uap->port.x_char) {
+ writel(uap->port.x_char, uap->port.membase + UART01x_DR);
+ uap->port.icount.tx++;
+ uap->port.x_char = 0;
return;
}
- if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
- pl010_stop_tx(port);
+ if (uart_circ_empty(xmit) || uart_tx_stopped(&uap->port)) {
+ pl010_stop_tx(&uap->port);
return;
}
- count = port->fifosize >> 1;
+ count = uap->port.fifosize >> 1;
do {
- writel(xmit->buf[xmit->tail], port->membase + UART01x_DR);
+ writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- port->icount.tx++;
+ uap->port.icount.tx++;
if (uart_circ_empty(xmit))
break;
} while (--count > 0);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(port);
+ uart_write_wakeup(&uap->port);
if (uart_circ_empty(xmit))
- pl010_stop_tx(port);
+ pl010_stop_tx(&uap->port);
}
-static void pl010_modem_status(struct uart_port *port)
+static void pl010_modem_status(struct uart_amba_port *uap)
{
- struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int status, delta;
writel(0, uap->port.membase + UART010_ICR);
@@ -226,47 +231,50 @@ static void pl010_modem_status(struct uart_port *port)
static irqreturn_t pl010_int(int irq, void *dev_id)
{
- struct uart_port *port = dev_id;
+ struct uart_amba_port *uap = dev_id;
unsigned int status, pass_counter = AMBA_ISR_PASS_LIMIT;
int handled = 0;
- spin_lock(&port->lock);
+ spin_lock(&uap->port.lock);
- status = readb(port->membase + UART010_IIR);
+ status = readb(uap->port.membase + UART010_IIR);
if (status) {
do {
if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
- pl010_rx_chars(port);
+ pl010_rx_chars(uap);
if (status & UART010_IIR_MIS)
- pl010_modem_status(port);
+ pl010_modem_status(uap);
if (status & UART010_IIR_TIS)
- pl010_tx_chars(port);
+ pl010_tx_chars(uap);
if (pass_counter-- == 0)
break;
- status = readb(port->membase + UART010_IIR);
+ status = readb(uap->port.membase + UART010_IIR);
} while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
UART010_IIR_TIS));
handled = 1;
}
- spin_unlock(&port->lock);
+ spin_unlock(&uap->port.lock);
return IRQ_RETVAL(handled);
}
static unsigned int pl010_tx_empty(struct uart_port *port)
{
- return readb(port->membase + UART01x_FR) & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
+ unsigned int status = readb(uap->port.membase + UART01x_FR);
+ return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
}
static unsigned int pl010_get_mctrl(struct uart_port *port)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int result = 0;
unsigned int status;
- status = readb(port->membase + UART01x_FR);
+ status = readb(uap->port.membase + UART01x_FR);
if (status & UART01x_FR_DCD)
result |= TIOCM_CAR;
if (status & UART01x_FR_DSR)
@@ -287,17 +295,18 @@ static void pl010_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void pl010_break_ctl(struct uart_port *port, int break_state)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned long flags;
unsigned int lcr_h;
- spin_lock_irqsave(&port->lock, flags);
- lcr_h = readb(port->membase + UART010_LCRH);
+ spin_lock_irqsave(&uap->port.lock, flags);
+ lcr_h = readb(uap->port.membase + UART010_LCRH);
if (break_state == -1)
lcr_h |= UART01x_LCRH_BRK;
else
lcr_h &= ~UART01x_LCRH_BRK;
- writel(lcr_h, port->membase + UART010_LCRH);
- spin_unlock_irqrestore(&port->lock, flags);
+ writel(lcr_h, uap->port.membase + UART010_LCRH);
+ spin_unlock_irqrestore(&uap->port.lock, flags);
}
static int pl010_startup(struct uart_port *port)
@@ -306,48 +315,70 @@ static int pl010_startup(struct uart_port *port)
int retval;
/*
+ * Try to enable the clock producer.
+ */
+ retval = clk_enable(uap->clk);
+ if (retval)
+ goto out;
+
+ uap->port.uartclk = clk_get_rate(uap->clk);
+
+ /*
* Allocate the IRQ
*/
- retval = request_irq(port->irq, pl010_int, 0, "uart-pl010", port);
+ retval = request_irq(uap->port.irq, pl010_int, 0, "uart-pl010", uap);
if (retval)
- return retval;
+ goto clk_dis;
/*
* initialise the old status of the modem signals
*/
- uap->old_status = readb(port->membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
+ uap->old_status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
/*
* Finally, enable interrupts
*/
writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE,
- port->membase + UART010_CR);
+ uap->port.membase + UART010_CR);
return 0;
+
+ clk_dis:
+ clk_disable(uap->clk);
+ out:
+ return retval;
}
static void pl010_shutdown(struct uart_port *port)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
+
/*
* Free the interrupt
*/
- free_irq(port->irq, port);
+ free_irq(uap->port.irq, uap);
/*
* disable all interrupts, disable the port
*/
- writel(0, port->membase + UART010_CR);
+ writel(0, uap->port.membase + UART010_CR);
/* disable break condition and fifos */
- writel(readb(port->membase + UART010_LCRH) &
+ writel(readb(uap->port.membase + UART010_LCRH) &
~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
- port->membase + UART010_LCRH);
+ uap->port.membase + UART010_LCRH);
+
+ /*
+ * Shut down the clock producer
+ */
+ clk_disable(uap->clk);
}
static void
pl010_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int lcr_h, old_cr;
unsigned long flags;
unsigned int baud, quot;
@@ -355,7 +386,7 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios,
/*
* Ask the core to calculate the divisor for us.
*/
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
+ baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16);
quot = uart_get_divisor(port, baud);
switch (termios->c_cflag & CSIZE) {
@@ -379,66 +410,66 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios,
if (!(termios->c_cflag & PARODD))
lcr_h |= UART01x_LCRH_EPS;
}
- if (port->fifosize > 1)
+ if (uap->port.fifosize > 1)
lcr_h |= UART01x_LCRH_FEN;
- spin_lock_irqsave(&port->lock, flags);
+ spin_lock_irqsave(&uap->port.lock, flags);
/*
* Update the per-port timeout.
*/
uart_update_timeout(port, termios->c_cflag, baud);
- port->read_status_mask = UART01x_RSR_OE;
+ uap->port.read_status_mask = UART01x_RSR_OE;
if (termios->c_iflag & INPCK)
- port->read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
+ uap->port.read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
if (termios->c_iflag & (BRKINT | PARMRK))
- port->read_status_mask |= UART01x_RSR_BE;
+ uap->port.read_status_mask |= UART01x_RSR_BE;
/*
* Characters to ignore
*/
- port->ignore_status_mask = 0;
+ uap->port.ignore_status_mask = 0;
if (termios->c_iflag & IGNPAR)
- port->ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
+ uap->port.ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
if (termios->c_iflag & IGNBRK) {
- port->ignore_status_mask |= UART01x_RSR_BE;
+ uap->port.ignore_status_mask |= UART01x_RSR_BE;
/*
* If we're ignoring parity and break indicators,
* ignore overruns too (for real raw support).
*/
if (termios->c_iflag & IGNPAR)
- port->ignore_status_mask |= UART01x_RSR_OE;
+ uap->port.ignore_status_mask |= UART01x_RSR_OE;
}
/*
* Ignore all characters if CREAD is not set.
*/
if ((termios->c_cflag & CREAD) == 0)
- port->ignore_status_mask |= UART_DUMMY_RSR_RX;
+ uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
/* first, disable everything */
- old_cr = readb(port->membase + UART010_CR) & ~UART010_CR_MSIE;
+ old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
if (UART_ENABLE_MS(port, termios->c_cflag))
old_cr |= UART010_CR_MSIE;
- writel(0, port->membase + UART010_CR);
+ writel(0, uap->port.membase + UART010_CR);
/* Set baud rate */
quot -= 1;
- writel((quot & 0xf00) >> 8, port->membase + UART010_LCRM);
- writel(quot & 0xff, port->membase + UART010_LCRL);
+ writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM);
+ writel(quot & 0xff, uap->port.membase + UART010_LCRL);
/*
* ----------v----------v----------v----------v-----
* NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L
* ----------^----------^----------^----------^-----
*/
- writel(lcr_h, port->membase + UART010_LCRH);
- writel(old_cr, port->membase + UART010_CR);
+ writel(lcr_h, uap->port.membase + UART010_LCRH);
+ writel(old_cr, uap->port.membase + UART010_CR);
- spin_unlock_irqrestore(&port->lock, flags);
+ spin_unlock_irqrestore(&uap->port.lock, flags);
}
static const char *pl010_type(struct uart_port *port)
@@ -514,47 +545,52 @@ static struct uart_amba_port *amba_ports[UART_NR];
static void pl010_console_putchar(struct uart_port *port, int ch)
{
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int status;
do {
- status = readb(port->membase + UART01x_FR);
+ status = readb(uap->port.membase + UART01x_FR);
barrier();
} while (!UART_TX_READY(status));
- writel(ch, port->membase + UART01x_DR);
+ writel(ch, uap->port.membase + UART01x_DR);
}
static void
pl010_console_write(struct console *co, const char *s, unsigned int count)
{
- struct uart_port *port = &amba_ports[co->index]->port;
+ struct uart_amba_port *uap = amba_ports[co->index];
unsigned int status, old_cr;
+ clk_enable(uap->clk);
+
/*
* First save the CR then disable the interrupts
*/
- old_cr = readb(port->membase + UART010_CR);
- writel(UART01x_CR_UARTEN, port->membase + UART010_CR);
+ old_cr = readb(uap->port.membase + UART010_CR);
+ writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
- uart_console_write(port, s, count, pl010_console_putchar);
+ uart_console_write(&uap->port, s, count, pl010_console_putchar);
/*
* Finally, wait for transmitter to become empty
* and restore the TCR
*/
do {
- status = readb(port->membase + UART01x_FR);
+ status = readb(uap->port.membase + UART01x_FR);
barrier();
} while (status & UART01x_FR_BUSY);
- writel(old_cr, port->membase + UART010_CR);
+ writel(old_cr, uap->port.membase + UART010_CR);
+
+ clk_disable(uap->clk);
}
static void __init
-pl010_console_get_options(struct uart_port *port, int *baud,
+pl010_console_get_options(struct uart_amba_port *uap, int *baud,
int *parity, int *bits)
{
- if (readb(port->membase + UART010_CR) & UART01x_CR_UARTEN) {
+ if (readb(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
unsigned int lcr_h, quot;
- lcr_h = readb(port->membase + UART010_LCRH);
+ lcr_h = readb(uap->port.membase + UART010_LCRH);
*parity = 'n';
if (lcr_h & UART01x_LCRH_PEN) {
@@ -569,14 +605,15 @@ pl010_console_get_options(struct uart_port *port, int *baud,
else
*bits = 8;
- quot = readb(port->membase + UART010_LCRL) | readb(port->membase + UART010_LCRM) << 8;
- *baud = port->uartclk / (16 * (quot + 1));
+ quot = readb(uap->port.membase + UART010_LCRL) |
+ readb(uap->port.membase + UART010_LCRM) << 8;
+ *baud = uap->port.uartclk / (16 * (quot + 1));
}
}
static int __init pl010_console_setup(struct console *co, char *options)
{
- struct uart_port *port;
+ struct uart_amba_port *uap;
int baud = 38400;
int bits = 8;
int parity = 'n';
@@ -589,16 +626,18 @@ static int __init pl010_console_setup(struct console *co, char *options)
*/
if (co->index >= UART_NR)
co->index = 0;
- if (!amba_ports[co->index])
+ uap = amba_ports[co->index];
+ if (!uap)
return -ENODEV;
- port = &amba_ports[co->index]->port;
+
+ uap->port.uartclk = clk_get_rate(uap->clk);
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
else
- pl010_console_get_options(port, &baud, &parity, &bits);
+ pl010_console_get_options(uap, &baud, &parity, &bits);
- return uart_set_options(port, co, baud, parity, bits, flow);
+ return uart_set_options(&uap->port, co, baud, parity, bits, flow);
}
static struct uart_driver amba_reg;
@@ -629,7 +668,7 @@ static struct uart_driver amba_reg = {
static int pl010_probe(struct amba_device *dev, void *id)
{
- struct uart_amba_port *port;
+ struct uart_amba_port *uap;
void __iomem *base;
int i, ret;
@@ -642,8 +681,8 @@ static int pl010_probe(struct amba_device *dev, void *id)
goto out;
}
- port = kzalloc(sizeof(struct uart_amba_port), GFP_KERNEL);
- if (!port) {
+ uap = kzalloc(sizeof(struct uart_amba_port), GFP_KERNEL);
+ if (!uap) {
ret = -ENOMEM;
goto out;
}
@@ -654,51 +693,57 @@ static int pl010_probe(struct amba_device *dev, void *id)
goto free;
}
- port->port.dev = &dev->dev;
- port->port.mapbase = dev->res.start;
- port->port.membase = base;
- port->port.iotype = UPIO_MEM;
- port->port.irq = dev->irq[0];
- port->port.uartclk = 14745600;
- port->port.fifosize = 16;
- port->port.ops = &amba_pl010_pops;
- port->port.flags = UPF_BOOT_AUTOCONF;
- port->port.line = i;
- port->dev = dev;
- port->data = dev->dev.platform_data;
-
- amba_ports[i] = port;
-
- amba_set_drvdata(dev, port);
- ret = uart_add_one_port(&amba_reg, &port->port);
+ uap->clk = clk_get(&dev->dev, "UARTCLK");
+ if (IS_ERR(uap->clk)) {
+ ret = PTR_ERR(uap->clk);
+ goto unmap;
+ }
+
+ uap->port.dev = &dev->dev;
+ uap->port.mapbase = dev->res.start;
+ uap->port.membase = base;
+ uap->port.iotype = UPIO_MEM;
+ uap->port.irq = dev->irq[0];
+ uap->port.fifosize = 16;
+ uap->port.ops = &amba_pl010_pops;
+ uap->port.flags = UPF_BOOT_AUTOCONF;
+ uap->port.line = i;
+ uap->dev = dev;
+ uap->data = dev->dev.platform_data;
+
+ amba_ports[i] = uap;
+
+ amba_set_drvdata(dev, uap);
+ ret = uart_add_one_port(&amba_reg, &uap->port);
if (ret) {
amba_set_drvdata(dev, NULL);
amba_ports[i] = NULL;
+ clk_put(uap->clk);
+ unmap:
iounmap(base);
free:
- kfree(port);
+ kfree(uap);
}
-
out:
return ret;
}
static int pl010_remove(struct amba_device *dev)
{
- struct uart_amba_port *port = amba_get_drvdata(dev);
+ struct uart_amba_port *uap = amba_get_drvdata(dev);
int i;
amba_set_drvdata(dev, NULL);
- uart_remove_one_port(&amba_reg, &port->port);
+ uart_remove_one_port(&amba_reg, &uap->port);
for (i = 0; i < ARRAY_SIZE(amba_ports); i++)
- if (amba_ports[i] == port)
+ if (amba_ports[i] == uap)
amba_ports[i] = NULL;
- iounmap(port->port.membase);
- kfree(port);
-
+ iounmap(uap->port.membase);
+ clk_put(uap->clk);
+ kfree(uap);
return 0;
}
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 935f48fa501..3320bcd92c0 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -484,11 +484,16 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios * termios,
unsigned long flags;
unsigned int mode, imr, quot, baud;
+ /* Get current mode register */
+ mode = UART_GET_MR(port) & ~(ATMEL_US_USCLKS | ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR);
+
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
quot = uart_get_divisor(port, baud);
- /* Get current mode register */
- mode = UART_GET_MR(port) & ~(ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR);
+ if (quot > 65535) { /* BRGR is 16-bit, so switch to slower clock */
+ quot /= 8;
+ mode |= ATMEL_US_USCLKS_MCK_DIV8;
+ }
/* byte size */
switch (termios->c_cflag & CSIZE) {
diff --git a/drivers/serial/atmel_serial.h b/drivers/serial/atmel_serial.h
index 11b44360e10..e0141776517 100644
--- a/drivers/serial/atmel_serial.h
+++ b/drivers/serial/atmel_serial.h
@@ -46,6 +46,9 @@
#define ATMEL_US_USMODE_ISO7816_T1 6
#define ATMEL_US_USMODE_IRDA 8
#define ATMEL_US_USCLKS (3 << 4) /* Clock Selection */
+#define ATMEL_US_USCLKS_MCK (0 << 4)
+#define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4)
+#define ATMEL_US_USCLKS_SCK (3 << 4)
#define ATMEL_US_CHRL (3 << 6) /* Character Length */
#define ATMEL_US_CHRL_5 (0 << 6)
#define ATMEL_US_CHRL_6 (1 << 6)
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 04cc88cc528..e42faa4e428 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -46,6 +46,122 @@
#include <asm/hardware.h>
#include <asm/arch/imx-uart.h>
+/* Register definitions */
+#define URXD0 0x0 /* Receiver Register */
+#define URTX0 0x40 /* Transmitter Register */
+#define UCR1 0x80 /* Control Register 1 */
+#define UCR2 0x84 /* Control Register 2 */
+#define UCR3 0x88 /* Control Register 3 */
+#define UCR4 0x8c /* Control Register 4 */
+#define UFCR 0x90 /* FIFO Control Register */
+#define USR1 0x94 /* Status Register 1 */
+#define USR2 0x98 /* Status Register 2 */
+#define UESC 0x9c /* Escape Character Register */
+#define UTIM 0xa0 /* Escape Timer Register */
+#define UBIR 0xa4 /* BRM Incremental Register */
+#define UBMR 0xa8 /* BRM Modulator Register */
+#define UBRC 0xac /* Baud Rate Count Register */
+#define BIPR1 0xb0 /* Incremental Preset Register 1 */
+#define BIPR2 0xb4 /* Incremental Preset Register 2 */
+#define BIPR3 0xb8 /* Incremental Preset Register 3 */
+#define BIPR4 0xbc /* Incremental Preset Register 4 */
+#define BMPR1 0xc0 /* BRM Modulator Register 1 */
+#define BMPR2 0xc4 /* BRM Modulator Register 2 */
+#define BMPR3 0xc8 /* BRM Modulator Register 3 */
+#define BMPR4 0xcc /* BRM Modulator Register 4 */
+#define UTS 0xd0 /* UART Test Register */
+
+/* UART Control Register Bit Fields.*/
+#define URXD_CHARRDY (1<<15)
+#define URXD_ERR (1<<14)
+#define URXD_OVRRUN (1<<13)
+#define URXD_FRMERR (1<<12)
+#define URXD_BRK (1<<11)
+#define URXD_PRERR (1<<10)
+#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */
+#define UCR1_ADBR (1<<14) /* Auto detect baud rate */
+#define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */
+#define UCR1_IDEN (1<<12) /* Idle condition interrupt */
+#define UCR1_RRDYEN (1<<9) /* Recv ready interrupt enable */
+#define UCR1_RDMAEN (1<<8) /* Recv ready DMA enable */
+#define UCR1_IREN (1<<7) /* Infrared interface enable */
+#define UCR1_TXMPTYEN (1<<6) /* Transimitter empty interrupt enable */
+#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
+#define UCR1_SNDBRK (1<<4) /* Send break */
+#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
+#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
+#define UCR1_DOZE (1<<1) /* Doze */
+#define UCR1_UARTEN (1<<0) /* UART enabled */
+#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
+#define UCR2_IRTS (1<<14) /* Ignore RTS pin */
+#define UCR2_CTSC (1<<13) /* CTS pin control */
+#define UCR2_CTS (1<<12) /* Clear to send */
+#define UCR2_ESCEN (1<<11) /* Escape enable */
+#define UCR2_PREN (1<<8) /* Parity enable */
+#define UCR2_PROE (1<<7) /* Parity odd/even */
+#define UCR2_STPB (1<<6) /* Stop */
+#define UCR2_WS (1<<5) /* Word size */
+#define UCR2_RTSEN (1<<4) /* Request to send interrupt enable */
+#define UCR2_TXEN (1<<2) /* Transmitter enabled */
+#define UCR2_RXEN (1<<1) /* Receiver enabled */
+#define UCR2_SRST (1<<0) /* SW reset */
+#define UCR3_DTREN (1<<13) /* DTR interrupt enable */
+#define UCR3_PARERREN (1<<12) /* Parity enable */
+#define UCR3_FRAERREN (1<<11) /* Frame error interrupt enable */
+#define UCR3_DSR (1<<10) /* Data set ready */
+#define UCR3_DCD (1<<9) /* Data carrier detect */
+#define UCR3_RI (1<<8) /* Ring indicator */
+#define UCR3_TIMEOUTEN (1<<7) /* Timeout interrupt enable */
+#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
+#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
+#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
+#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz */
+#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz */
+#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
+#define UCR3_BPEN (1<<0) /* Preset registers enable */
+#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
+#define UCR4_INVR (1<<9) /* Inverted infrared reception */
+#define UCR4_ENIRI (1<<8) /* Serial infrared interrupt enable */
+#define UCR4_WKEN (1<<7) /* Wake interrupt enable */
+#define UCR4_REF16 (1<<6) /* Ref freq 16 MHz */
+#define UCR4_IRSC (1<<5) /* IR special case */
+#define UCR4_TCEN (1<<3) /* Transmit complete interrupt enable */
+#define UCR4_BKEN (1<<2) /* Break condition interrupt enable */
+#define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */
+#define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */
+#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
+#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
+#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
+#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
+#define USR1_RTSS (1<<14) /* RTS pin status */
+#define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */
+#define USR1_RTSD (1<<12) /* RTS delta */
+#define USR1_ESCF (1<<11) /* Escape seq interrupt flag */
+#define USR1_FRAMERR (1<<10) /* Frame error interrupt flag */
+#define USR1_RRDY (1<<9) /* Receiver ready interrupt/dma flag */
+#define USR1_TIMEOUT (1<<7) /* Receive timeout interrupt status */
+#define USR1_RXDS (1<<6) /* Receiver idle interrupt flag */
+#define USR1_AIRINT (1<<5) /* Async IR wake interrupt flag */
+#define USR1_AWAKE (1<<4) /* Aysnc wake interrupt flag */
+#define USR2_ADET (1<<15) /* Auto baud rate detect complete */
+#define USR2_TXFE (1<<14) /* Transmit buffer FIFO empty */
+#define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
+#define USR2_IDLE (1<<12) /* Idle condition */
+#define USR2_IRINT (1<<8) /* Serial infrared interrupt flag */
+#define USR2_WAKE (1<<7) /* Wake */
+#define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
+#define USR2_TXDC (1<<3) /* Transmitter complete */
+#define USR2_BRCD (1<<2) /* Break condition */
+#define USR2_ORE (1<<1) /* Overrun error */
+#define USR2_RDR (1<<0) /* Recv data ready */
+#define UTS_FRCPERR (1<<13) /* Force parity error */
+#define UTS_LOOP (1<<12) /* Loop tx and rx */
+#define UTS_TXEMPTY (1<<6) /* TxFIFO empty */
+#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
+#define UTS_TXFULL (1<<4) /* TxFIFO full */
+#define UTS_RXFULL (1<<3) /* RxFIFO full */
+#define UTS_SOFTRST (1<<0) /* Software reset */
+
/* We've been assigned a range on the "Low-density serial ports" major */
#define SERIAL_IMX_MAJOR 204
#define MINOR_START 41
@@ -128,7 +244,10 @@ static void imx_timeout(unsigned long data)
static void imx_stop_tx(struct uart_port *port)
{
struct imx_port *sport = (struct imx_port *)port;
- UCR1((u32)sport->port.membase) &= ~UCR1_TXMPTYEN;
+ unsigned long temp;
+
+ temp = readl(sport->port.membase + UCR1);
+ writel(temp & ~UCR1_TXMPTYEN, sport->port.membase + UCR1);
}
/*
@@ -137,7 +256,10 @@ static void imx_stop_tx(struct uart_port *port)
static void imx_stop_rx(struct uart_port *port)
{
struct imx_port *sport = (struct imx_port *)port;
- UCR2((u32)sport->port.membase) &= ~UCR2_RXEN;
+ unsigned long temp;
+
+ temp = readl(sport->port.membase + UCR2);
+ writel(temp &~ UCR2_RXEN, sport->port.membase + UCR2);
}
/*
@@ -154,10 +276,10 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
{
struct circ_buf *xmit = &sport->port.info->xmit;
- while (!(UTS((u32)sport->port.membase) & UTS_TXFULL)) {
+ while (!(readl(sport->port.membase + UTS) & UTS_TXFULL)) {
/* send xmit->buf[xmit->tail]
* out the port here */
- URTX0((u32)sport->port.membase) = xmit->buf[xmit->tail];
+ writel(xmit->buf[xmit->tail], sport->port.membase + URTX0);
xmit->tail = (xmit->tail + 1) &
(UART_XMIT_SIZE - 1);
sport->port.icount.tx++;
@@ -175,21 +297,24 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
static void imx_start_tx(struct uart_port *port)
{
struct imx_port *sport = (struct imx_port *)port;
+ unsigned long temp;
- UCR1((u32)sport->port.membase) |= UCR1_TXMPTYEN;
+ temp = readl(sport->port.membase + UCR1);
+ writel(temp | UCR1_TXMPTYEN, sport->port.membase + UCR1);
- imx_transmit_buffer(sport);
+ if (readl(sport->port.membase + UTS) & UTS_TXEMPTY)
+ imx_transmit_buffer(sport);
}
static irqreturn_t imx_rtsint(int irq, void *dev_id)
{
struct imx_port *sport = (struct imx_port *)dev_id;
- unsigned int val = USR1((u32)sport->port.membase)&USR1_RTSS;
+ unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS;
unsigned long flags;
spin_lock_irqsave(&sport->port.lock, flags);
- USR1((u32)sport->port.membase) = USR1_RTSD;
+ writel(USR1_RTSD, sport->port.membase + USR1);
uart_handle_cts_change(&sport->port, !!val);
wake_up_interruptible(&sport->port.info->delta_msr_wait);
@@ -207,7 +332,7 @@ static irqreturn_t imx_txint(int irq, void *dev_id)
if (sport->port.x_char)
{
/* Send next char */
- URTX0((u32)sport->port.membase) = sport->port.x_char;
+ writel(sport->port.x_char, sport->port.membase + URTX0);
goto out;
}
@@ -231,17 +356,18 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
struct imx_port *sport = dev_id;
unsigned int rx,flg,ignored = 0;
struct tty_struct *tty = sport->port.info->tty;
- unsigned long flags;
+ unsigned long flags, temp;
- rx = URXD0((u32)sport->port.membase);
+ rx = readl(sport->port.membase + URXD0);
spin_lock_irqsave(&sport->port.lock,flags);
do {
flg = TTY_NORMAL;
sport->port.icount.rx++;
- if( USR2((u32)sport->port.membase) & USR2_BRCD ) {
- USR2((u32)sport->port.membase) |= USR2_BRCD;
+ temp = readl(sport->port.membase + USR2);
+ if( temp & USR2_BRCD ) {
+ writel(temp | USR2_BRCD, sport->port.membase + USR2);
if(uart_handle_break(&sport->port))
goto ignore_char;
}
@@ -257,7 +383,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
tty_insert_flip_char(tty, rx, flg);
ignore_char:
- rx = URXD0((u32)sport->port.membase);
+ rx = readl(sport->port.membase + URXD0);
} while(rx & URXD_CHARRDY);
out:
@@ -301,7 +427,7 @@ static unsigned int imx_tx_empty(struct uart_port *port)
{
struct imx_port *sport = (struct imx_port *)port;
- return USR2((u32)sport->port.membase) & USR2_TXDC ? TIOCSER_TEMT : 0;
+ return (readl(sport->port.membase + USR2) & USR2_TXDC) ? TIOCSER_TEMT : 0;
}
/*
@@ -312,10 +438,10 @@ static unsigned int imx_get_mctrl(struct uart_port *port)
struct imx_port *sport = (struct imx_port *)port;
unsigned int tmp = TIOCM_DSR | TIOCM_CAR;
- if (USR1((u32)sport->port.membase) & USR1_RTSS)
+ if (readl(sport->port.membase + USR1) & USR1_RTSS)
tmp |= TIOCM_CTS;
- if (UCR2((u32)sport->port.membase) & UCR2_CTS)
+ if (readl(sport->port.membase + UCR2) & UCR2_CTS)
tmp |= TIOCM_RTS;
return tmp;
@@ -324,11 +450,14 @@ static unsigned int imx_get_mctrl(struct uart_port *port)
static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
struct imx_port *sport = (struct imx_port *)port;
+ unsigned long temp;
+
+ temp = readl(sport->port.membase + UCR2) & ~UCR2_CTS;
if (mctrl & TIOCM_RTS)
- UCR2((u32)sport->port.membase) |= UCR2_CTS;
- else
- UCR2((u32)sport->port.membase) &= ~UCR2_CTS;
+ temp |= UCR2_CTS;
+
+ writel(temp, sport->port.membase + UCR2);
}
/*
@@ -337,14 +466,16 @@ static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void imx_break_ctl(struct uart_port *port, int break_state)
{
struct imx_port *sport = (struct imx_port *)port;
- unsigned long flags;
+ unsigned long flags, temp;
spin_lock_irqsave(&sport->port.lock, flags);
+ temp = readl(sport->port.membase + UCR1) & ~UCR1_SNDBRK;
+
if ( break_state != 0 )
- UCR1((u32)sport->port.membase) |= UCR1_SNDBRK;
- else
- UCR1((u32)sport->port.membase) &= ~UCR1_SNDBRK;
+ temp |= UCR1_SNDBRK;
+
+ writel(temp, sport->port.membase + UCR1);
spin_unlock_irqrestore(&sport->port.lock, flags);
}
@@ -360,7 +491,7 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
/* set receiver / transmitter trigger level.
* RFDIV is set such way to satisfy requested uartclk value
*/
- val = TXTL<<10 | RXTL;
+ val = TXTL << 10 | RXTL;
ufcr_rfdiv = (imx_get_perclk1() + sport->port.uartclk / 2) / sport->port.uartclk;
if(!ufcr_rfdiv)
@@ -373,7 +504,7 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
val |= UFCR_RFDIV & (ufcr_rfdiv << 7);
- UFCR((u32)sport->port.membase) = val;
+ writel(val, sport->port.membase + UFCR);
return 0;
}
@@ -382,14 +513,15 @@ static int imx_startup(struct uart_port *port)
{
struct imx_port *sport = (struct imx_port *)port;
int retval;
- unsigned long flags;
+ unsigned long flags, temp;
imx_setup_ufcr(sport, 0);
/* disable the DREN bit (Data Ready interrupt enable) before
* requesting IRQs
*/
- UCR4((u32)sport->port.membase) &= ~UCR4_DREN;
+ temp = readl(sport->port.membase + UCR4);
+ writel(temp & ~UCR4_DREN, sport->port.membase + UCR4);
/*
* Allocate the IRQ
@@ -411,12 +543,16 @@ static int imx_startup(struct uart_port *port)
/*
* Finally, clear and enable interrupts
*/
+ writel(USR1_RTSD, sport->port.membase + USR1);
+
+ temp = readl(sport->port.membase + UCR1);
+ temp |= (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+ writel(temp, sport->port.membase + UCR1);
- USR1((u32)sport->port.membase) = USR1_RTSD;
- UCR1((u32)sport->port.membase) |=
- (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+ temp = readl(sport->port.membase + UCR2);
+ temp |= (UCR2_RXEN | UCR2_TXEN);
+ writel(temp, sport->port.membase + UCR2);
- UCR2((u32)sport->port.membase) |= (UCR2_RXEN | UCR2_TXEN);
/*
* Enable modem status interrupts
*/
@@ -437,6 +573,7 @@ error_out1:
static void imx_shutdown(struct uart_port *port)
{
struct imx_port *sport = (struct imx_port *)port;
+ unsigned long temp;
/*
* Stop our timer.
@@ -454,8 +591,9 @@ static void imx_shutdown(struct uart_port *port)
* Disable all interrupts, port and break condition.
*/
- UCR1((u32)sport->port.membase) &=
- ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+ temp = readl(sport->port.membase + UCR1);
+ temp &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+ writel(temp, sport->port.membase + UCR1);
}
static void
@@ -548,18 +686,18 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
/*
* disable interrupts and drain transmitter
*/
- old_ucr1 = UCR1((u32)sport->port.membase);
- UCR1((u32)sport->port.membase) &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
+ old_ucr1 = readl(sport->port.membase + UCR1);
+ writel(old_ucr1 & ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN),
+ sport->port.membase + UCR1);
- while ( !(USR2((u32)sport->port.membase) & USR2_TXDC))
+ while ( !(readl(sport->port.membase + USR2) & USR2_TXDC))
barrier();
/* then, disable everything */
- old_txrxen = UCR2((u32)sport->port.membase) & ( UCR2_TXEN | UCR2_RXEN );
- UCR2((u32)sport->port.membase) &= ~( UCR2_TXEN | UCR2_RXEN);
-
- /* set the parity, stop bits and data size */
- UCR2((u32)sport->port.membase) = ucr2;
+ old_txrxen = readl(sport->port.membase + UCR2);
+ writel(old_txrxen & ~( UCR2_TXEN | UCR2_RXEN),
+ sport->port.membase + UCR2);
+ old_txrxen &= (UCR2_TXEN | UCR2_RXEN);
/* set the baud rate. We assume uartclk = 16 MHz
*
@@ -567,11 +705,13 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
* --------- = --------
* uartclk UBMR - 1
*/
- UBIR((u32)sport->port.membase) = (baud / 100) - 1;
- UBMR((u32)sport->port.membase) = 10000 - 1;
+ writel((baud / 100) - 1, sport->port.membase + UBIR);
+ writel(10000 - 1, sport->port.membase + UBMR);
+
+ writel(old_ucr1, sport->port.membase + UCR1);
- UCR1((u32)sport->port.membase) = old_ucr1;
- UCR2((u32)sport->port.membase) |= old_txrxen;
+ /* set the parity, stop bits and data size */
+ writel(ucr2 | old_txrxen, sport->port.membase + UCR2);
if (UART_ENABLE_MS(&sport->port, termios->c_cflag))
imx_enable_ms(&sport->port);
@@ -730,9 +870,11 @@ static void __init imx_init_ports(void)
static void imx_console_putchar(struct uart_port *port, int ch)
{
struct imx_port *sport = (struct imx_port *)port;
- while ((UTS((u32)sport->port.membase) & UTS_TXFULL))
+
+ while (readl(sport->port.membase + UTS) & UTS_TXFULL)
barrier();
- URTX0((u32)sport->port.membase) = ch;
+
+ writel(ch, sport->port.membase + URTX0);
}
/*
@@ -747,13 +889,14 @@ imx_console_write(struct console *co, const char *s, unsigned int count)
/*
* First, save UCR1/2 and then disable interrupts
*/
- old_ucr1 = UCR1((u32)sport->port.membase);
- old_ucr2 = UCR2((u32)sport->port.membase);
+ old_ucr1 = readl(sport->port.membase + UCR1);
+ old_ucr2 = readl(sport->port.membase + UCR2);
- UCR1((u32)sport->port.membase) =
- (old_ucr1 | UCR1_UARTCLKEN | UCR1_UARTEN)
- & ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
- UCR2((u32)sport->port.membase) = old_ucr2 | UCR2_TXEN;
+ writel((old_ucr1 | UCR1_UARTCLKEN | UCR1_UARTEN) &
+ ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN),
+ sport->port.membase + UCR1);
+
+ writel(old_ucr2 | UCR2_TXEN, sport->port.membase + UCR2);
uart_console_write(&sport->port, s, count, imx_console_putchar);
@@ -761,10 +904,10 @@ imx_console_write(struct console *co, const char *s, unsigned int count)
* Finally, wait for transmitter to become empty
* and restore UCR1/2
*/
- while (!(USR2((u32)sport->port.membase) & USR2_TXDC));
+ while (!(readl(sport->port.membase + USR2) & USR2_TXDC));
- UCR1((u32)sport->port.membase) = old_ucr1;
- UCR2((u32)sport->port.membase) = old_ucr2;
+ writel(old_ucr1, sport->port.membase + UCR1);
+ writel(old_ucr2, sport->port.membase + UCR2);
}
/*
@@ -776,13 +919,13 @@ imx_console_get_options(struct imx_port *sport, int *baud,
int *parity, int *bits)
{
- if ( UCR1((u32)sport->port.membase) | UCR1_UARTEN ) {
+ if ( readl(sport->port.membase + UCR1) | UCR1_UARTEN ) {
/* ok, the port was enabled */
unsigned int ucr2, ubir,ubmr, uartclk;
unsigned int baud_raw;
unsigned int ucfr_rfdiv;
- ucr2 = UCR2((u32)sport->port.membase);
+ ucr2 = readl(sport->port.membase + UCR2);
*parity = 'n';
if (ucr2 & UCR2_PREN) {
@@ -797,11 +940,10 @@ imx_console_get_options(struct imx_port *sport, int *baud,
else
*bits = 7;
- ubir = UBIR((u32)sport->port.membase) & 0xffff;
- ubmr = UBMR((u32)sport->port.membase) & 0xffff;
-
+ ubir = readl(sport->port.membase + UBIR) & 0xffff;
+ ubmr = readl(sport->port.membase + UBMR) & 0xffff;
- ucfr_rfdiv = (UFCR((u32)sport->port.membase) & UFCR_RFDIV) >> 7;
+ ucfr_rfdiv = (readl(sport->port.membase + UFCR) & UFCR_RFDIV) >> 7;
if (ucfr_rfdiv == 6)
ucfr_rfdiv = 7;
else
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 01:34:07 +0000