35 lines
755 B
C
35 lines
755 B
C
/*
|
|
* 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_ph(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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_PORTHIO();
|
|
printf("Port H data %04x (PH0:%i)\n", data, !!(data & PH0));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(ph, 3, 0, do_ph,
|
|
"set/clear PH0 GPIO flash bank switch\n",
|
|
"<ph0> - set PH0 GPIO pin state\n");
|