Blackfin: unify custom gpio commands

Now that we have a unified gpio layer, the misc partial gpio commands
can be unified and made complete (support all possible gpios).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

2 files changed, 1 insertions, 202 deletions

diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile
index 0e15062..4f8985b 100644
--- a/board/bf537-stamp/Makefile
+++ b/board/bf537-stamp/Makefile
@@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS-y	:= $(BOARD).o cmd_bf537led.o
+COBJS-y	:= $(BOARD).o
 COBJS-$(CONFIG_BFIN_IDE)   += ide-cf.o
 COBJS-$(CONFIG_POST)       += post.o post-memory.o
 
diff --git a/board/bf537-stamp/cmd_bf537led.c b/board/bf537-stamp/cmd_bf537led.c
deleted file mode 100644
index 7d8f3ea..0000000
--- a/board/bf537-stamp/cmd_bf537led.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * U-boot - cmd_bf537led.c
- *
- * Copyright (C) 2006 Aaron Gage, Ocean Optics Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <config.h>
-#include <command.h>
-#include <asm/blackfin.h>
-#include <asm/string.h>
-#ifdef CONFIG_BF537_STAMP_LEDCMD
-
-/* Define the command usage in a reusable way */
-#define USAGE_LONG \
-	"led <number> <action>\n" \
-	"    <number>  - Index (0-5) of LED to change, or \"all\"\n" \
-	"    <action>  - Must be one of:\n" \
-	"		on off toggle"
-
-/* Number of LEDs supported by the board */
-#define NUMBER_LEDS     6
-/* The BF537 stamp has 6 LEDs.  This mask indicates that all should be lit. */
-#define LED_ALL_MASK    0x003F
-
-void show_cmd_usage(void);
-void set_led_state(int index, int state);
-void configure_GPIO_to_output(int index);
-
-/* Map of LEDs according to their GPIO ports.  This can be rearranged or
- * otherwise changed to account for different GPIO configurations.
- */
-int led_ports[] = { PF6, PF7, PF8, PF9, PF10, PF11 };
-
-#define ACTION_TOGGLE   -1
-#define ACTION_OFF      0
-#define ACTION_ON       1
-
-#define LED_STATE_OFF   0
-#define LED_STATE_ON    1
-
-/* This is a trivial atoi implementation since we don't have one available */
-int atoi(char *string)
-{
-	int length;
-	int retval = 0;
-	int i;
-	int sign = 1;
-
-	length = strlen(string);
-	for (i = 0; i < length; i++) {
-		if (0 == i && string[0] == '-') {
-			sign = -1;
-			continue;
-		}
-		if (string[i] > '9' || string[i] < '0') {
-			break;
-		}
-		retval *= 10;
-		retval += string[i] - '0';
-	}
-	retval *= sign;
-	return retval;
-}
-
-int do_bf537led(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
-	int led_mask = 0;
-	int led_current_state = 0;
-	int action = ACTION_OFF;
-	int temp;
-
-	if (3 != argc) {
-		/* Not enough arguments, so just show usage information */
-		show_cmd_usage();
-		return 1;
-	}
-
-	if (strcmp(argv[1], "all") == 0) {
-		led_mask = LED_ALL_MASK;
-	} else {
-		temp = atoi(argv[1]);
-		if (temp < 0 || temp >= NUMBER_LEDS) {
-			printf("Invalid LED number [%s]\n", argv[1]);
-			show_cmd_usage();
-			return 2;
-		}
-		led_mask |= (1 << temp);
-	}
-
-	if (strcmp(argv[2], "off") == 0) {
-		action = ACTION_OFF;
-	} else if (strcmp(argv[2], "on") == 0) {
-		action = ACTION_ON;
-	} else if (strcmp(argv[2], "toggle") == 0) {
-		action = ACTION_TOGGLE;
-	} else {
-		printf("Invalid action [%s]\n", argv[2]);
-		show_cmd_usage();
-		return 3;
-	}
-
-	for (temp = 0; temp < NUMBER_LEDS; temp++) {
-		if ((led_mask & (1 << temp)) > 0) {
-			/*
-			 * It is possible that the user has wired one of PF6-PF11 to
-			 * something other than an LED, so this will only change a pin
-			 * to output if the user has indicated a state change.  This may
-			 * happen a lot, but this way is safer than just setting all pins
-			 * to output.
-			 */
-			configure_GPIO_to_output(temp);
-
-			led_current_state =
-			    ((*pPORTFIO & led_ports[temp]) >
-			     0) ? LED_STATE_ON : LED_STATE_OFF;
-	/*
-		printf("LED state for index %d (%x) is %d\n", temp, led_ports[temp],
-			led_current_state);
-		printf("*pPORTFIO is %x\n", *pPORTFIO);
-	*/
-			if (ACTION_ON == action
-			    || (ACTION_TOGGLE == action
-				&& 0 == led_current_state)) {
-				printf("Turning LED %d on\n", temp);
-				set_led_state(temp, LED_STATE_ON);
-			} else {
-				printf("Turning LED %d off\n", temp);
-				set_led_state(temp, LED_STATE_OFF);
-			}
-		}
-	}
-
-	return 0;
-}
-
-/*
- * The GPIO pins that go to the LEDs on the BF537 stamp must be configured
- * as output.  This function simply configures them that way.  This could
- * be done to all of the GPIO lines at once, but if a user is using a
- * custom board, this will try to be nice and only change the GPIO lines
- * that the user specifically names.
- */
-void configure_GPIO_to_output(int index)
-{
-	int port;
-
-	port = led_ports[index];
-
-	/* Clear the Port F Function Enable Register */
-	*pPORTF_FER &= ~port;
-	/* Set the Port F I/O direction register */
-	*pPORTFIO_DIR |= port;
-	/* Clear the Port F I/O Input Enable Register */
-	*pPORTFIO_INEN &= ~port;
-}
-
-/* Enforce the given state on the GPIO line for the indicated LED */
-void set_led_state(int index, int state)
-{
-	int port;
-
-	port = led_ports[index];
-
-	if (LED_STATE_OFF == state) {
-		/* Clear the bit to turn off the LED */
-		*pPORTFIO &= ~port;
-	} else {
-		/* Set the bit to turn on the LED */
-		*pPORTFIO |= port;
-	}
-}
-
-/* Display usage information */
-void show_cmd_usage()
-{
-	printf("Usage:\n%s\n", USAGE_LONG);
-}
-
-/* Register information for u-boot to find this command */
-U_BOOT_CMD(led, 3, 1, do_bf537led,
-	   "Control BF537 stamp LEDs", USAGE_LONG);
-
-#endif