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[PATCH] m68knommu: set GPIO lines for serial ports on 5282 in mcfserial.c

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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>
This commit is contained in:
Greg Ungerer 2007-03-07 11:28:13 +10:00 committed by Linus Torvalds
parent 8668fb5d8d
commit ebfcfef44e
1 changed files with 9 additions and 2 deletions
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11
drivers/serial/mcfserial.c
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@ -1541,8 +1541,8 @@ static void mcfrs_irqinit(struct mcf_serial *info)
* External Pin Mask Setting & Enable External Pin for Interface
* mrcbis@aliceposta.it
*/
unsigned short *serpin_enable_mask;
serpin_enable_mask = (MCF_IPSBAR + MCF_GPIO_PAR_UART);
u16 *serpin_enable_mask;
serpin_enable_mask = (u16 *) (MCF_IPSBAR + MCF_GPIO_PAR_UART);
if (info->line == 0)
*serpin_enable_mask |= UART0_ENABLE_MASK;
else if (info->line == 1)
@ -1551,6 +1551,13 @@ static void mcfrs_irqinit(struct mcf_serial *info)
*serpin_enable_mask |= UART2_ENABLE_MASK;
}
#endif
#if defined(CONFIG_M528x)
/* make sure PUAPAR is set for UART0 and UART1 */
if (info->line < 2) {
volatile unsigned char *portp = (volatile unsigned char *) (MCF_MBAR + MCF5282_GPIO_PUAPAR);
*portp |= (0x03 << (info->line * 2));
}
#endif
#elif defined(CONFIG_M520x)
volatile unsigned char *icrp, *uartp;
volatile unsigned long *imrp;