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[PATCH] m68knommu: add 5208 ColdFire UART support to ColdFire serial driver

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Add support for the Freescale 5208 processor UART's to the common
ColdFire serial port code.

Patch originally from Matt Waddel (from code originally written by
Mike Lavender).

Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Greg Ungerer 2005-11-07 14:09:50 +10:00 committed by Linus Torvalds
parent 124df2df0c
commit 7f04d62b51
1 changed files with 34 additions and 3 deletions
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37
drivers/serial/mcfserial.c
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@ -57,7 +57,8 @@ struct timer_list mcfrs_timer_struct;
* keep going. Perhaps one day the cflag settings for the
* console can be used instead.
*/
#if defined(CONFIG_ARNEWSH) || defined(CONFIG_MOTOROLA) || defined(CONFIG_senTec) || defined(CONFIG_SNEHA)
#if defined(CONFIG_ARNEWSH) || defined(CONFIG_FREESCALE) || \
defined(CONFIG_senTec) || defined(CONFIG_SNEHA)
#define CONSOLE_BAUD_RATE 19200
#define DEFAULT_CBAUD B19200
#endif
@ -67,7 +68,7 @@ struct timer_list mcfrs_timer_struct;
#define DEFAULT_CBAUD B38400
#endif
#if defined(CONFIG_MOD5272)
#if defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB)
#define CONSOLE_BAUD_RATE 115200
#define DEFAULT_CBAUD B115200
#endif
@ -95,7 +96,8 @@ static struct tty_driver *mcfrs_serial_driver;
#undef SERIAL_DEBUG_OPEN
#undef SERIAL_DEBUG_FLOW
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
defined(CONFIG_M520x)
#define IRQBASE (MCFINT_VECBASE+MCFINT_UART0)
#else
#define IRQBASE 73
@ -1528,6 +1530,35 @@ static void mcfrs_irqinit(struct mcf_serial *info)
imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 +
MCFINTC_IMRL);
*imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1);
#elif defined(CONFIG_M520x)
volatile unsigned char *icrp, *uartp;
volatile unsigned long *imrp;
uartp = info->addr;
icrp = (volatile unsigned char *) (MCF_MBAR + MCFICM_INTC0 +
MCFINTC_ICR0 + MCFINT_UART0 + info->line);
*icrp = 0x03;
imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 +
MCFINTC_IMRL);
*imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1);
if (info->line < 2) {
unsigned short *uart_par;
uart_par = (unsigned short *)(MCF_IPSBAR + MCF_GPIO_PAR_UART);
if (info->line == 0)
*uart_par |= MCF_GPIO_PAR_UART_PAR_UTXD0
| MCF_GPIO_PAR_UART_PAR_URXD0;
else if (info->line == 1)
*uart_par |= MCF_GPIO_PAR_UART_PAR_UTXD1
| MCF_GPIO_PAR_UART_PAR_URXD1;
} else if (info->line == 2) {
unsigned char *feci2c_par;
feci2c_par = (unsigned char *)(MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
*feci2c_par &= ~0x0F;
*feci2c_par |= MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2
| MCF_GPIO_PAR_FECI2C_PAR_SDA_URXD2;
}
#else
volatile unsigned char *icrp, *uartp;