| /* |
| * flash.c - helper commands for working with GPIO-assisted flash |
| * |
| * Copyright (c) 2005-2009 Analog Devices Inc. |
| * |
| * Licensed under the GPL-2 or later. |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <asm/blackfin.h> |
| #include "gpio_cfi_flash.h" |
| |
| int do_pf(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| ulong faddr = CONFIG_SYS_FLASH_BASE; |
| ushort data; |
| ulong dflg; |
| |
| if (argc > 1) { |
| dflg = simple_strtoul(argv[1], NULL, 16); |
| faddr |= (dflg << 21); |
| gpio_cfi_flash_swizzle((void *)faddr); |
| } else { |
| data = bfin_read_PORTFIO(); |
| printf("Port F data %04x (PF4:%i)\n", data, !!(data & PF4)); |
| } |
| |
| return 0; |
| } |
| |
| U_BOOT_CMD(pf, 3, 0, do_pf, |
| "set/clear PF4 GPIO flash bank switch\n", |
| "<pf4> - set PF4 GPIO pin state\n"); |
