| Mike Frysinger | 9417d9a | 2008-10-12 21:49:28 -0400 | [diff] [blame] | 1 | /* |
| 2 | * flash.c - helper commands for working with GPIO-assisted flash |
| 3 | * |
| 4 | * Copyright (c) 2005-2009 Analog Devices Inc. |
| 5 | * |
| 6 | * Licensed under the GPL-2 or later. |
| 7 | */ |
| 8 | |
| 9 | #include <common.h> |
| 10 | #include <command.h> |
| 11 | #include <asm/blackfin.h> |
| 12 | #include "gpio_cfi_flash.h" |
| 13 | |
| 14 | int do_pf(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| 15 | { |
| 16 | ulong faddr = CONFIG_SYS_FLASH_BASE; |
| 17 | ushort data; |
| 18 | ulong dflg; |
| 19 | |
| 20 | if (argc == 3) { |
| 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); |
| 26 | } else { |
| 27 | data = bfin_read_PORTFIO(); |
| 28 | printf("Port F data %04x (PF4:%i PF5:%i)\n", data, |
| 29 | !!(data & PF4), !!(data & PF5)); |
| 30 | } |
| 31 | |
| 32 | return 0; |
| 33 | } |
| 34 | |
| 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"); |