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| author | Mike Frysinger <vapier@gentoo.org> | 2008-10-12 21:41:06 -0400 |
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| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-14 20:01:05 -0400 |
| commit | 8a9bab08a6fe93e5f3bf57b90438f1d2a67fad3c (patch) | |
| tree | 952bb1b0754d98524f15953afa508f99bf3e3352 /board/cm-bf537e/flash.c | |
| parent | e82d8a1f028bedb12c4ab88a35a935010d92898c (diff) | |
| download | u-boot-imx-8a9bab08a6fe93e5f3bf57b90438f1d2a67fad3c.zip u-boot-imx-8a9bab08a6fe93e5f3bf57b90438f1d2a67fad3c.tar.gz u-boot-imx-8a9bab08a6fe93e5f3bf57b90438f1d2a67fad3c.tar.bz2 | |
Blackfin: cm-bf537e: new board port
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board/cm-bf537e/flash.c')
| -rw-r--r-- | board/cm-bf537e/flash.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/cm-bf537e/flash.c b/board/cm-bf537e/flash.c new file mode 100644 index 0000000..25aeed2 --- /dev/null +++ b/board/cm-bf537e/flash.c @@ -0,0 +1,34 @@ +/* + * 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 > 1) { + dflg = simple_strtoul(argv[1], NULL, 16); + faddr |= (dflg << 21); + gpio_cfi_flash_swizzle((void *)faddr); + } else { + data = bfin_read_PORTFIO(); + printf("Port F data %04x (PF4:%i)\n", data, !!(data & PF4)); + } + + return 0; +} + +U_BOOT_CMD(pf, 3, 0, do_pf, + "set/clear PF4 GPIO flash bank switch\n", + "<pf4> - set PF4 GPIO pin state\n"); |