From: Greg Ungerer Date: Mon, 7 Nov 2005 04:09:50 +0000 (+1000) Subject: [PATCH] m68knommu: add 5208 ColdFire UART support to ColdFire serial driver X-Git-Tag: v2.6.15-rc1~459 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f04d62b51828fa3d1dee9fd1ea7f37815595bfa;p=linux-2.6 [PATCH] m68knommu: add 5208 ColdFire UART support to ColdFire serial driver 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 Signed-off-by: Linus Torvalds --- diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c index e2ebdcad55..47f7404cb0 100644 --- a/drivers/serial/mcfserial.c +++ b/drivers/serial/mcfserial.c @@ -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;