diff options
| author | Bob Liu <lliubbo@gmail.com> | 2013-02-05 19:05:41 +0800 |
|---|---|---|
| committer | Sonic Zhang <sonic.zhang@analog.com> | 2013-05-13 16:26:12 +0800 |
| commit | 7d861d95a315852532d581884b3b72536c25032c (patch) | |
| tree | d3f844e5c0cd5a8b5faafffb961a70faae497fb5 /common/cmd_softswitch.c | |
| parent | e7b9aa96b15c589ba0e5236be9bbadd69c8bcace (diff) | |
| download | olio-uboot-2014.01-7d861d95a315852532d581884b3b72536c25032c.tar.xz olio-uboot-2014.01-7d861d95a315852532d581884b3b72536c25032c.zip | |
blackfin: bf609: add softswitch config command
Add softswitch_output command for bf609-ezkit to enable softswitches.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Diffstat (limited to 'common/cmd_softswitch.c')
| -rw-r--r-- | common/cmd_softswitch.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/common/cmd_softswitch.c b/common/cmd_softswitch.c new file mode 100644 index 000000000..f75d92677 --- /dev/null +++ b/common/cmd_softswitch.c @@ -0,0 +1,41 @@ +/* + * cmd_softswitch.c - set the softswitch for bf60x + * + * Copyright (c) 2012 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <command.h> +#include <asm/blackfin.h> +#include <asm/soft_switch.h> + +int do_softswitch(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int switchaddr, value, pin, port; + + if (argc != 5) + return CMD_RET_USAGE; + + if (strcmp(argv[2], "GPA") == 0) + port = IO_PORT_A; + else if (strcmp(argv[2], "GPB") == 0) + port = IO_PORT_B; + else + return CMD_RET_USAGE; + + switchaddr = simple_strtoul(argv[1], NULL, 16); + pin = simple_strtoul(argv[3], NULL, 16); + value = simple_strtoul(argv[4], NULL, 16); + + config_switch_bit(switchaddr, port, (1 << pin), IO_PORT_OUTPUT, value); + + return 0; +} + +U_BOOT_CMD( + softswitch_output, 5, 1, do_softswitch, + "switchaddr GPA/GPB pin_offset value", + "" +); |