mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 11:18:28 +00:00
37 lines
858 B
C
37 lines
858 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_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");
|