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/*
* 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 == 3) {
dflg = simple_strtoul(argv[1], NULL, 16);
faddr |= (dflg << 21);
dflg = simple_strtoul(argv[2], NULL, 16);
faddr |= (dflg << 22);
gpio_cfi_flash_swizzle((void *)faddr);
} else {
data = bfin_read_PORTFIO();
printf("Port F data %04x (PF4:%i PF5:%i)\n", data,
!!(data & PF4), !!(data & PF5));
}
return 0;
}
U_BOOT_CMD(pf, 3, 0, do_pf,
"set/clear PF4/PF5 GPIO flash bank switch\n",
"<pf4> <pf5> - set PF4/PF5 GPIO pin state\n");
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