From: Tom Rini arch/ppc/syslib/ppc4xx_serial.c is unused cruft, delete. Signed-off-by: Tom Rini Signed-off-by: Andrew Morton --- /dev/null | 171 -------------------------------------------------------------- 1 files changed, 171 deletions(-) diff -L arch/ppc/syslib/ppc4xx_serial.c -puN arch/ppc/syslib/ppc4xx_serial.c~ppc32-delete-arch-ppc-syslib-ppc4xx_serialc /dev/null --- 25/arch/ppc/syslib/ppc4xx_serial.c +++ /dev/null 2003-09-15 06:40:47.000000000 -0700 @@ -1,171 +0,0 @@ -/* - * arch/ppc/syslib/ppc405_serial.c - * - * Author: MontaVista Software, Inc. - * frank_rowand@mvista.com or source@mvista.com - * debbie_chu@mvista.com - * - * This is a fairly standard 165xx type device that will eventually - * be merged with other similar processor/boards. -- Dan - * - * 2000 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Console I/O support for Early kernel bringup. - */ - -#include - -#if defined(CONFIG_IBM405GP) || defined(CONFIG_IBM405CR) - -#ifdef CONFIG_KGDB -#include -#include -#endif - -#ifdef CONFIG_DEBUG_BRINGUP - -#include - -extern void ftr_reset_preferred_console(void); - - -static int ppc405_sercons_setup(struct console *co, char *options) -{ -#ifdef CONFIG_UART0_DEBUG_CONSOLE - volatile unsigned char *uart_dll = (char *)0xef600300; - volatile unsigned char *uart_fcr = (char *)0xef600302; - volatile unsigned char *uart_lcr = (char *)0xef600303; -#endif - -#ifdef CONFIG_UART1_DEBUG_CONSOLE - volatile unsigned char *uart_dll = (char *)0xef600400; - volatile unsigned char *uart_fcr = (char *)0xef600402; - volatile unsigned char *uart_lcr = (char *)0xef600403; -#endif - - *uart_lcr = *uart_lcr | 0x80; /* DLAB on */ - -/* ftr revisit - there is no config option for this -** also see include/asm-ppc/ppc405_serial.h -** -** #define CONFIG_IBM405GP_INTERNAL_CLOCK -*/ - - -#ifdef CONFIG_IBM405GP_INTERNAL_CLOCK - /* ftr revisit - ** why is bit 19 of chcr0 (0x1000) being set? - */ - /* 0x2a results in data corruption, kgdb works with 0x28 */ - *uart_dll = 0x28; /* 9600 baud */ - _put_CHCR0((_get_CHCR0() & 0xffffe000) | 0x103e); -#else - *uart_dll = 0x48; /* 9600 baud */ -#endif - *uart_lcr = *uart_lcr & 0x7f; /* DLAB off */ - - return 0; -} - - -/* - * This is a bringup hack, writing directly to uart0 or uart1 - */ - -static void -ppc405_sercons_write(struct console *co, const char *ptr, - unsigned nb) -{ - int i; - -#ifdef CONFIG_UART0_DEBUG_CONSOLE - volatile unsigned char *uart_xmit = (char *)0xef600300; - volatile unsigned char *uart_lsr = (char *)0xef600305; -#endif - -#ifdef CONFIG_UART1_DEBUG_CONSOLE - volatile unsigned char *uart_xmit = (char *)0xef600400; - volatile unsigned char *uart_lsr = (char *)0xef600405; -#endif - - for (i = 0; i < nb; ++i) { - - /* wait for transmit reg (possibly fifo) to empty */ - while ((*uart_lsr & 0x40) == 0) - ; - - *uart_xmit = (ptr[i] & 0xff); - - if (ptr[i] == '\n') { - - /* add a carriage return */ - - /* wait for transmit reg (possibly fifo) to empty */ - while ((*uart_lsr & 0x40) == 0) - ; - - *uart_xmit = '\r'; - } - } - - return; -} - - -static int -ppc405_sercons_read(struct console *co, char *ptr, unsigned nb) -{ -#ifdef CONFIG_UART0_DEBUG_CONSOLE - volatile unsigned char *uart_rcv = (char *)0xef600300; - volatile unsigned char *uart_lsr = (char *)0xef600305; -#endif - -#ifdef CONFIG_UART1_DEBUG_CONSOLE - volatile unsigned char *uart_rcv = (char *)0xef600400; - volatile unsigned char *uart_lsr = (char *)0xef600405; -#endif - - - /* ftr revisit: not tested */ - - if (nb == 0) - return(0); - - if (!ptr) - return(-1); - - /* wait for receive reg (possibly fifo) to contain data */ - while ((*uart_lsr & 0x01) == 0) - ; - - *ptr = *uart_rcv; - - return(1); -} - -static struct console ppc405_sercons = { - .name = "dbg_cons", - .write = ppc405_console_write, - .setup = ppc405_console_setup, - .flags = CON_PRINTBUFFER, - .index = -1, -}; - -void -register_debug_console(void) -{ - register_console(&ppc405_sercons); -} - -void -unregister_debug_console(void) -{ - unregister_console(&ppc405_sercons); -} - -#endif /* CONFIG_DEBUG_BRINGUP */ - -#endif /* #if defined(CONFIG_IBM405GP) || defined(CONFIG_IBM405CR) */ _