This forces the driver to use the hardware synchronized commands.
Signed-off-by: Juergen Borleis <jbe@xxxxxxxxxxxxxx>
---
drivers/serial/serial_mpc5xxx.c | 37 +++++++++++++++++++------------------
1 file changed, 19 insertions(+), 18 deletions(-)
diff --git a/drivers/serial/serial_mpc5xxx.c b/drivers/serial/serial_mpc5xxx.c
index 18aca87..9d92fed 100644
--- a/drivers/serial/serial_mpc5xxx.c
+++ b/drivers/serial/serial_mpc5xxx.c
@@ -32,6 +32,7 @@
#include <common.h>
#include <mach/mpc5xxx.h>
#include <driver.h>
+#include <io.h>
#include <init.h>
#include <console.h>
#include <xfuncs.h>
@@ -50,8 +51,8 @@ static int __mpc5xxx_serial_setbaudrate(struct mpc5xxx_psc *psc, int baudrate)
/* set up UART divisor */
div = (baseclk + (baudrate/2)) / baudrate;
- psc->ctur = (div >> 8) & 0xFF;
- psc->ctlr = div & 0xff;
+ out_8(&psc->ctur, (div >> 8) & 0xFF);
+ out_8(&psc->ctlr, div & 0xff);
return 0;
}
@@ -69,33 +70,33 @@ static int mpc5xxx_serial_setbaudrate(struct console_device *cdev, int baudrate)
static int __mpc5xxx_serial_init(struct mpc5xxx_psc *psc)
{
/* reset PSC */
- psc->command = PSC_SEL_MODE_REG_1;
+ out_8(&psc->command, PSC_SEL_MODE_REG_1);
/* select clock sources */
#if defined(CONFIG_MGT5100)
- psc->psc_clock_select = 0xdd00;
+ out_be16(&psc->psc_clock_select, 0xdd00);
#elif defined(CONFIG_MPC5200)
- psc->psc_clock_select = 0;
+ out_be16(&psc->psc_clock_select, 0);
#endif
/* switch to UART mode */
- psc->sicr = 0;
+ out_be32(&psc->sicr, 0);
/* configure parity, bit length and so on */
#if defined(CONFIG_MGT5100)
- psc->mode = PSC_MODE_ERR | PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+ out_8(&psc->mode, PSC_MODE_ERR | PSC_MODE_8_BITS | PSC_MODE_PARNONE);
#elif defined(CONFIG_MPC5200)
- psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+ out_8(&psc->mode, PSC_MODE_8_BITS | PSC_MODE_PARNONE);
#endif
- psc->mode = PSC_MODE_ONE_STOP;
+ out_8(&psc->mode, PSC_MODE_ONE_STOP);
/* disable all interrupts */
- psc->psc_imr = 0;
+ out_be16(&psc->psc_imr, 0);
/* reset and enable Rx/Tx */
-// psc->command = PSC_RST_RX;
-// psc->command = PSC_RST_TX;
- psc->command = PSC_RX_ENABLE | PSC_TX_ENABLE;
+// out_8(&psc->command, PSC_RST_RX);
+// out_8(&psc->command, PSC_RST_TX);
+ out_8(&psc->command, PSC_RX_ENABLE | PSC_TX_ENABLE);
return 0;
}
@@ -116,10 +117,10 @@ static void mpc5xxx_serial_putc (struct console_device *cdev, const char c)
struct mpc5xxx_psc *psc = dev->priv;
/* Wait for last character to go. */
- while (!(psc->psc_status & PSC_SR_TXEMP))
+ while (!(in_be16(&psc->psc_status) & PSC_SR_TXEMP))
;
- psc->psc_buffer_8 = c;
+ out_8(&psc->psc_buffer_8, c);
}
static int mpc5xxx_serial_getc (struct console_device *cdev)
@@ -128,10 +129,10 @@ static int mpc5xxx_serial_getc (struct console_device *cdev)
struct mpc5xxx_psc *psc = dev->priv;
/* Wait for a character to arrive. */
- while (!(psc->psc_status & PSC_SR_RXRDY))
+ while (!(in_be16(&psc->psc_status) & PSC_SR_RXRDY))
;
- return psc->psc_buffer_8;
+ return in_8(&psc->psc_buffer_8);
}
static int mpc5xxx_serial_tstc (struct console_device *cdev)
@@ -139,7 +140,7 @@ static int mpc5xxx_serial_tstc (struct console_device *cdev)
struct device_d *dev = cdev->dev;
struct mpc5xxx_psc *psc = dev->priv;
- return (psc->psc_status & PSC_SR_RXRDY);
+ return in_be16(&psc->psc_status) & PSC_SR_RXRDY;
}
static int mpc5xxx_serial_probe(struct device_d *dev)
--
2.1.0
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