diff options
| author | Greg Ungerer <gerg@snapgear.com> | 2007-03-07 11:28:13 +1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-06 18:08:38 -0800 |
| commit | ebfcfef44e4a759dd08a4b5e28848787b5530c0c (patch) | |
| tree | e343b5f3366e4dd9982151f6c5173779f1fd5a86 /drivers/serial | |
| parent | 8668fb5d8d1bbae1492baf4b8d72b5151a5c4d40 (diff) | |
| download | kernel_samsung_tuna-ebfcfef44e4a759dd08a4b5e28848787b5530c0c.zip kernel_samsung_tuna-ebfcfef44e4a759dd08a4b5e28848787b5530c0c.tar.gz kernel_samsung_tuna-ebfcfef44e4a759dd08a4b5e28848787b5530c0c.tar.bz2 | |
[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>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/mcfserial.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c index 0843096..4e2eb35 100644 --- a/drivers/serial/mcfserial.c +++ b/drivers/serial/mcfserial.c @@ -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; |