Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
[PATCH] m68knommu: set GPIO lines for serial ports on 5282 in mcfserial.c
For the Freescale M5282 ColdFire,
Port UA Pin Assignment Register should set to UART mode.
Patch submitted by David Wu <davidwu@arcturusnetworks.com>.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
authored by
Greg Ungerer
and committed by
Linus Torvalds
ebfcfef4
8668fb5d
+9
-2
+9
-2
drivers/serial/mcfserial.c
+9
-2
drivers/serial/mcfserial.c
···
1541
1541
* External Pin Mask Setting & Enable External Pin for Interface
1542
1542
* mrcbis@aliceposta.it
1543
1543
*/
1544
-
unsigned short *serpin_enable_mask;
1545
-
serpin_enable_mask = (MCF_IPSBAR + MCF_GPIO_PAR_UART);
1544
+
u16 *serpin_enable_mask;
1545
+
serpin_enable_mask = (u16 *) (MCF_IPSBAR + MCF_GPIO_PAR_UART);
1546
1546
if (info->line == 0)
1547
1547
*serpin_enable_mask |= UART0_ENABLE_MASK;
1548
1548
else if (info->line == 1)
1549
1549
*serpin_enable_mask |= UART1_ENABLE_MASK;
1550
1550
else if (info->line == 2)
1551
1551
*serpin_enable_mask |= UART2_ENABLE_MASK;
1552
+
}
1553
+
#endif
1554
+
#if defined(CONFIG_M528x)
1555
+
/* make sure PUAPAR is set for UART0 and UART1 */
1556
+
if (info->line < 2) {
1557
+
volatile unsigned char *portp = (volatile unsigned char *) (MCF_MBAR + MCF5282_GPIO_PUAPAR);
1558
+
*portp |= (0x03 << (info->line * 2));
1552
1559
}
1553
1560
#endif
1554
1561
#elif defined(CONFIG_M520x)