Remove unused CONFIG_SERIAL_SOFTWARE_FIFO feature

This patch removes the completely unused CONFIG_SERIAL_SOFTWARE_FIFO
feature from U-Boot. It has only been implemented for PPC4xx and was not
used at all. So let's remove it and make the code smaller and cleaner.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>

README

@@ -532,18 +532,6 @@ The following options need to be configured:
 		must be defined, to setup the maximum idle timeout for
 		the SMC.
 
-- Interrupt driven serial port input:
-		CONFIG_SERIAL_SOFTWARE_FIFO
-
-		PPC405GP only.
-		Use an interrupt handler for receiving data on the
-		serial port. It also enables using hardware handshake
-		(RTS/CTS) and UART's built-in FIFO. Set the number of
-		bytes the interrupt driven input buffer should have.
-
-		Leave undefined to disable this feature, including
-		disable the buffer and hardware handshake.
-
 - Boot Delay:	CONFIG_BOOTDELAY - in seconds
 		Delay before automatically booting the default image;
 		set to -1 to disable autoboot.

arch/i386/lib/board.c

@@ -335,13 +335,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
 	enable_interrupts();
 	show_boot_progress(0x28);
 
-	/* Must happen after interrupts are initialized since
-	 * an irq handler gets installed
-	 */
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-	serial_buffered_init();
-#endif
-
 #ifdef CONFIG_STATUS_LED
 	status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
 #endif

arch/m68k/lib/board.c

@@ -569,10 +569,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	 */
 	timer_init();
 
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-	serial_buffered_init();
-#endif
-
 #ifdef CONFIG_STATUS_LED
 	status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
 #endif

arch/powerpc/lib/board.c

@@ -901,13 +901,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	 */
 	interrupt_init ();
 
-	/* Must happen after interrupts are initialized since
-	 * an irq handler gets installed
-	 */
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-	serial_buffered_init();
-#endif
-
 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
 	status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
 #endif

arch/sparc/lib/board.c

@@ -359,10 +359,6 @@ void board_init_f(ulong bootflag)
 	/* Initialize the console (after the relocation and devices init) */
 	console_init_r();
 
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-	serial_buffered_init();
-#endif
-
 #ifdef CONFIG_STATUS_LED
 	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
 #endif

common/stdio.c

@@ -76,18 +76,10 @@ static void drv_system_init (void)
 
 	strcpy (dev.name, "serial");
 	dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-	dev.putc = serial_buffered_putc;
-	dev.puts = serial_buffered_puts;
-	dev.getc = serial_buffered_getc;
-	dev.tstc = serial_buffered_tstc;
-#else
 	dev.putc = serial_putc;
 	dev.puts = serial_puts;
 	dev.getc = serial_getc;
 	dev.tstc = serial_tstc;
-#endif
-
 	stdio_register (&dev);
 
 #ifdef CONFIG_SYS_DEVICE_NULLDEV

doc/README.ppc440

@@ -77,12 +77,6 @@ This is controlled with the CONFIG_SYS_EXT_SERIAL_CLOCK flag. When using
 internal clocking, the "ideal baud rate" settings in the 440GP
 user manual are automatically calculated.
 
-CONFIG_SERIAL_SOFTWARE_FIFO enables interrupt-driven serial operation.
-But the last time I checked, interrupts were initialized after the
-serial port causing the interrupt handler to be removed from the
-handler table. This will probably be fixed soon ... or fix it
-yourself and submit a patch :-)
-
 
 I2C
 =================

include/common.h

@@ -214,14 +214,6 @@ typedef void (interrupt_handler_t)(void *);
  * Function Prototypes
  */
 
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-void	serial_buffered_init (void);
-void	serial_buffered_putc (const char);
-void	serial_buffered_puts (const char *);
-int	serial_buffered_getc (void);
-int	serial_buffered_tstc (void);
-#endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
-
 void	hang		(void) __attribute__ ((noreturn));
 
 /* */

include/configs/AP1000.h

@@ -52,12 +52,6 @@
 
 #define CONFIG_BOOTCOMMAND	""	/* autoboot command */
 
-/* Size (bytes) of interrupt driven serial port buffer.
- * Set to 0 to use polling instead of interrupts.
- * Setting to 0 will also disable RTS/CTS handshaking.
- */
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
-
 #define CONFIG_BOOTARGS		"console=ttyS0,57600"
 
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/

include/configs/ATUM8548.h

@@ -200,7 +200,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/JSE.h

@@ -105,12 +105,6 @@
   /* Set console baudrate to 9600 */
 #define CONFIG_BAUDRATE		9600
 
-/* Size (bytes) of interrupt driven serial port buffer.
- * Set to 0 to use polling instead of interrupts.
- * Setting to 0 will also disable RTS/CTS handshaking.
- */
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
-
 /*
  * Configuration related to auto-boot.
  *

include/configs/KAREF.h

@@ -95,7 +95,6 @@
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SERIAL_MULTI   1
 #define CONFIG_BAUDRATE	      9600
 

include/configs/METROBOX.h

@@ -157,7 +157,6 @@
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SERIAL_MULTI   1
 #define CONFIG_BAUDRATE	      9600
 

include/configs/ML2.h

@@ -52,16 +52,6 @@
 
 #define CONFIG_PREBOOT		"fsload 0x00100000 /boot/image"
 
-/* Size (bytes) of interrupt driven serial port buffer.
- * Set to 0 to use polling instead of interrupts.
- * Setting to 0 will also disable RTS/CTS handshaking.
- */
-#if 0
-#define CONFIG_SERIAL_SOFTWARE_FIFO 4000
-#else
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
-#endif
-
 #if 0
 #define CONFIG_BOOTARGS		"root=/dev/nfs "                        \
     "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \

include/configs/MPC8308RDB.h

@@ -279,7 +279,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8315ERDB.h

@@ -298,7 +298,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8323ERDB.h

@@ -262,7 +262,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC832XEMDS.h

@@ -273,7 +273,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8349EMDS.h

@@ -283,7 +283,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX     1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8349ITX.h

@@ -329,7 +329,6 @@ boards, we say we have two, but don't display a message if we find only one. */
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8360EMDS.h

@@ -307,7 +307,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8360ERDK.h

@@ -237,7 +237,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC837XEMDS.h

@@ -299,7 +299,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC837XERDB.h

@@ -316,7 +316,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8536DS.h

@@ -400,7 +400,6 @@
  * shorted - index 1
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8540ADS.h

@@ -237,7 +237,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8540EVAL.h

@@ -173,7 +173,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8541CDS.h

@@ -263,7 +263,6 @@ extern unsigned long get_clock_freq(void);
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     2
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8544DS.h

@@ -214,7 +214,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
  * shorted - index 1
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8548CDS.h

@@ -282,7 +282,6 @@ extern unsigned long get_clock_freq(void);
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX	2
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8555CDS.h

@@ -261,7 +261,6 @@ extern unsigned long get_clock_freq(void);
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     2
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8568MDS.h

@@ -244,7 +244,6 @@ extern unsigned long get_clock_freq(void);
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX		1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8569MDS.h

@@ -276,7 +276,6 @@ extern unsigned long get_clock_freq(void);
 /* Serial Port */
 #define CONFIG_CONS_INDEX		1
 #define CONFIG_SERIAL_MULTI		1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/MPC8572DS.h

@@ -333,7 +333,6 @@
  * shorted - index 1
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8610HPCD.h

@@ -221,7 +221,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MPC8641HPCN.h

@@ -275,7 +275,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/MVBLM7.h

@@ -150,7 +150,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/P1_P2_RDB.h

@@ -281,7 +281,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
  * shorted - index 1
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/P2020DS.h

@@ -337,7 +337,6 @@
  * shorted - index 1
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/PM854.h

@@ -174,7 +174,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/SBC8540.h

@@ -205,7 +205,6 @@
 #undef	CONFIG_CONS_NONE			/* define if console on something else */
 
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/TQM834x.h

@@ -162,7 +162,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/TQM85xx.h

@@ -256,7 +256,6 @@
 #else /* !CONFIG_TQM8560 */
 
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/aria.h

@@ -321,7 +321,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX		1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 
 /*
  * Serial console configuration

include/configs/bubinga.h

@@ -124,7 +124,6 @@
  * set Linux BASE_BAUD to 403200.
  */
 #define CONFIG_CONS_INDEX	1	/* Use UART0			*/
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 #define CONFIG_SYS_BASE_BAUD       691200

include/configs/dlvision.h

@@ -98,7 +98,6 @@
  * set Linux BASE_BAUD to 403200.
  */
 #define CONFIG_CONS_INDEX	1	/* Use UART0			*/
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 #define CONFIG_SYS_BASE_BAUD		691200

include/configs/eNET.h

@@ -59,7 +59,6 @@
   * Serial Configuration
   */
 #define CONFIG_SERIAL_MULTI
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_CONS_INDEX		1
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL

include/configs/ebony.h

@@ -81,7 +81,6 @@
  * Serial Port
  *----------------------------------------------------------------------*/
 #define CONFIG_CONS_INDEX	1	/* Use UART0			*/
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_EXT_SERIAL_CLOCK	(1843200 * 6)	/* Ext clk @ 11.059 MHz */
 
 /*-----------------------------------------------------------------------

include/configs/hcu5.h

@@ -90,7 +90,6 @@
  *----------------------------------------------------------------------*/
 #undef CONFIG_SYS_EXT_SERIAL_CLOCK	       /* external serial clock */
 #define CONFIG_BAUDRATE		115200
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 
 /*-----------------------------------------------------------------------
  * Environment

include/configs/kmeter1.h

@@ -257,7 +257,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/mcu25.h

@@ -86,16 +86,9 @@
  * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
  * set Linux BASE_BAUD to 403200.
  */
-/* needed to be able to define CONFIG_SERIAL_SOFTWARE_FIFO */
 #undef	CONFIG_SYS_405_UART_ERRATA_59	       /* 405GP/CR Rev. D silicon */
 #define CONFIG_SYS_BASE_BAUD	    691200
 
-/* Size (bytes) of interrupt driven serial port buffer.
- * Set to 0 to use polling instead of interrupts.
- * Setting to 0 will also disable RTS/CTS handshaking.
- */
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
-
 /* Set console baudrate to 9600 */
 #define CONFIG_BAUDRATE		9600
 

include/configs/mecp5123.h

@@ -218,7 +218,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX     1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 
 /*
  * Serial console configuration

include/configs/mpc5121ads.h

@@ -286,7 +286,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX     1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 
 /*
  * Serial console configuration

include/configs/neo.h

@@ -104,7 +104,6 @@
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
 
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 #define CONFIG_SYS_BASE_BAUD		691200

include/configs/ocotea.h

@@ -81,7 +81,6 @@
  * Serial Port
  *----------------------------------------------------------------------*/
 #define CONFIG_CONS_INDEX	1	/* Use UART0			*/
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_EXT_SERIAL_CLOCK	(1843200 * 6)	/* Ext clk @ 11.059 MHz */
 
 /*-----------------------------------------------------------------------

include/configs/sbc8349.h

@@ -270,7 +270,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX     1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/sbc8548.h

@@ -338,7 +338,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/sbc8560.h

@@ -203,7 +203,6 @@
 #undef	CONFIG_CONS_NONE	/* define if console on something else */
 
 #define CONFIG_CONS_INDEX	1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/sbc8641d.h

@@ -257,7 +257,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1

include/configs/sc3.h

@@ -82,14 +82,6 @@
 #define CONFIG_SYS_NS16550_REG_SIZE	1
 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
 #define CONFIG_SERIAL_MULTI
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
-/*
- * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input
- * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature
- */
-#if CONFIG_SERIAL_SOFTWARE_FIFO
- #define CONFIG_POWER_DOWN
-#endif
 
 /*
  * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz

include/configs/socrates.h

@@ -218,7 +218,6 @@
 /* Serial Port */
 
 #define CONFIG_CONS_INDEX     1
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/stxssa.h

@@ -176,7 +176,6 @@
 
 /* Serial Port */
 #define CONFIG_CONS_INDEX     2
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/taihu.h

@@ -128,7 +128,6 @@
  * set Linux BASE_BAUD to 403200.
  */
 #define CONFIG_CONS_INDEX	2	/* Use UART1			*/
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 #define CONFIG_SYS_BASE_BAUD		691200

include/configs/vme8349.h

@@ -184,7 +184,6 @@
  * Serial Port
  */
 #define CONFIG_CONS_INDEX	1
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	1

include/configs/walnut.h

@@ -85,7 +85,6 @@
  * set Linux BASE_BAUD to 403200.
  */
 #define CONFIG_CONS_INDEX	1	/* Use UART0			*/
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef	CONFIG_SYS_EXT_SERIAL_CLOCK	       /* external serial clock */
 #undef	CONFIG_SYS_405_UART_ERRATA_59	       /* 405GP/CR Rev. D silicon */
 #define CONFIG_SYS_BASE_BAUD	    691200

include/configs/yucca.h

@@ -107,7 +107,6 @@
  *----------------------------------------------------------------------*/
 #define CONFIG_CONS_INDEX	1	/* Use UART0			*/
 
-#undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef CONFIG_SYS_EXT_SERIAL_CLOCK
 /* #define CONFIG_SYS_EXT_SERIAL_CLOCK	(1843200 * 6) */ /* Ext clk @ 11.059 MHz */