diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2008-10-12 21:49:28 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-14 20:01:06 -0400 |
| commit | 9417d9a21384279308abe5b4dd8dfd418742484c (patch) | |
| tree | 5f059af2f2bca09a384888f539e1323d3a0ab041 /board/tcm-bf537/flash.c | |
| parent | e548321af00e869af7194896576beb9b68457ff7 (diff) | |
| download | talos-obmc-uboot-9417d9a21384279308abe5b4dd8dfd418742484c.tar.gz talos-obmc-uboot-9417d9a21384279308abe5b4dd8dfd418742484c.zip | |
Blackfin: tcm-bf537: new board port
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board/tcm-bf537/flash.c')
| -rw-r--r-- | board/tcm-bf537/flash.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/board/tcm-bf537/flash.c b/board/tcm-bf537/flash.c new file mode 100644 index 0000000000..52c5bd83c9 --- /dev/null +++ b/board/tcm-bf537/flash.c @@ -0,0 +1,37 @@ +/* + * 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"); |
