diff options
Diffstat (limited to 'board/cm-bf527/gpio.c')
| -rw-r--r-- | board/cm-bf527/gpio.c | 74 | 
1 files changed, 0 insertions, 74 deletions
| diff --git a/board/cm-bf527/gpio.c b/board/cm-bf527/gpio.c deleted file mode 100644 index 7e0babe89..000000000 --- a/board/cm-bf527/gpio.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Control GPIO pins on the fly - * - * Copyright (c) 2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <common.h> -#include <command.h> - -#include <asm/blackfin.h> - -int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ -	if (argc != 3) { - show_usage: -		printf("Usage:\n%s\n", cmdtp->usage); -		return 1; -	} - -	/* parse the behavior */ -	ulong port_cmd = 0; -	switch (argv[1][0]) { -		case 'i': break; -		case 's': port_cmd = (PORTFIO_SET - PORTFIO); break; -		case 'c': port_cmd = (PORTFIO_CLEAR - PORTFIO); break; -		case 't': port_cmd = (PORTFIO_TOGGLE - PORTFIO); break; -		default:  goto show_usage; -	} - -	/* parse the pin with format: [p]<fgh><#> */ -	const char *str_pin = argv[2]; - -	/* grab the [p]<fgh> portion */ -	ulong port_base; -	if (*str_pin == 'p') ++str_pin; -	switch (*str_pin) { -		case 'f': port_base = PORTFIO; break; -		case 'g': port_base = PORTGIO; break; -		case 'h': port_base = PORTHIO; break; -		default:  goto show_usage; -	} - -	/* grab the <#> portion */ -	ulong pin = simple_strtoul(str_pin+1, NULL, 10); -	ulong pin_mask = (1 << pin); -	if (pin > 15) -		goto show_usage; - -	/* finally, let's do it: set direction and exec command */ -	switch (*str_pin) { -		case 'f': bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~pin_mask); break; -		case 'g': bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~pin_mask); break; -		case 'h': bfin_write_PORTH_FER(bfin_read_PORTH_FER() & ~pin_mask); break; -	} - -	ulong port_dir = port_base + (PORTFIO_DIR - PORTFIO); -	if (argv[1][0] == 'i') -		bfin_write16(port_dir, bfin_read16(port_dir) & ~pin_mask); -	else { -		bfin_write16(port_dir, bfin_read16(port_dir) | pin_mask); -		bfin_write16(port_base + port_cmd, pin_mask); -	} - -	printf("gpio: pin %li on port %c has been %c\n", pin, *str_pin, argv[1][0]); - -	return 0; -} - -U_BOOT_CMD(gpio, 3, 0, do_gpio, -	"gpio    - set/clear/toggle gpio output pins\n", -	"<s|c|t> <port><pin>\n" -	"    - set/clear/toggle the specified pin\n"); |