2 * flash.c - helper commands for working with GPIO-assisted flash
4 * Copyright (c) 2005-2009 Analog Devices Inc.
6 * Licensed under the GPL-2 or later.
11 #include <asm/blackfin.h>
12 #include "gpio_cfi_flash.h"
14 int do_pf(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
16 ulong faddr = CONFIG_SYS_FLASH_BASE;
21 dflg = simple_strtoul(argv[1], NULL, 16);
22 faddr |= (dflg << 21);
23 dflg = simple_strtoul(argv[2], NULL, 16);
24 faddr |= (dflg << 22);
25 gpio_cfi_flash_swizzle((void *)faddr);
27 data = bfin_read_PORTFIO();
28 printf("Port F data %04x (PF4:%i PF5:%i)\n", data,
29 !!(data & PF4), !!(data & PF5));
35 U_BOOT_CMD(pf, 3, 0, do_pf,
36 "set/clear PF4/PF5 GPIO flash bank switch\n",
37 "<pf4> <pf5> - set PF4/PF5 GPIO pin state\n");