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Added command to enable/disable/query BI-swap for MXC NAND 

Change-Id: Ifa3eb739afe0760a974b57c5a17cc3bf7704ba79
Signed-off-by: Erik Ahlén <erik.ahlen@avalonenterprise.com>
Reviewed-on: http://openocd.zylin.com/270
Tested-by: jenkins
Reviewed-by: Mathias Küster <kesmtp@freenet.de>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Erik Ahlén 2011-12-13 11:47:49 +01:00 committed by Spencer Oliver
parent 583c9b31ab
commit a57d547dd7
1 changed files with 51 additions and 0 deletions
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51
src/flash/nand/mx2.c
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@ -135,6 +135,56 @@ NAND_DEVICE_COMMAND_HANDLER(mxc_nand_device_command)
return ERROR_OK;
}
COMMAND_HANDLER(handle_mxc_biswap_command)
{
struct nand_device *nand = NULL;
struct mxc_nf_controller *mxc_nf_info = NULL;
if (CMD_ARGC < 1 || CMD_ARGC > 2)
return ERROR_COMMAND_SYNTAX_ERROR;
int retval = CALL_COMMAND_HANDLER(nand_command_get_device, 0, &nand);
if (retval != ERROR_OK) {
command_print(CMD_CTX, "invalid nand device number or name: %s", CMD_ARGV[0]);
return ERROR_COMMAND_ARGUMENT_INVALID;
}
mxc_nf_info = nand->controller_priv;
if (CMD_ARGC == 2) {
if (strcmp(CMD_ARGV[1], "enable") == 0)
mxc_nf_info->flags.biswap_enabled = true;
else
mxc_nf_info->flags.biswap_enabled = false;
}
if (mxc_nf_info->flags.biswap_enabled)
command_print(CMD_CTX, "BI-swapping enabled on %s", nand->name);
else
command_print(CMD_CTX, "BI-swapping disabled on %s", nand->name);
return ERROR_OK;
}
static const struct command_registration mxc_sub_command_handlers[] = {
{
.name = "biswap",
.handler = handle_mxc_biswap_command ,
.help = "Turns on/off bad block information swaping from main area, "
"without parameter query status.",
.usage = "bank_id ['enable'|'disable']",
},
COMMAND_REGISTRATION_DONE
};
static const struct command_registration mxc_nand_command_handler[] = {
{
.name = "mxc",
.mode = COMMAND_ANY,
.help = "MXC NAND flash controller commands",
.chain = mxc_sub_command_handlers
},
COMMAND_REGISTRATION_DONE
};
static int mxc_init(struct nand_device *nand)
{
struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
@ -785,6 +835,7 @@ static int do_data_output(struct nand_device *nand)
struct nand_flash_controller mxc_nand_flash_controller = {
.name = "mxc",
.nand_device_command = &mxc_nand_device_command,
.commands = mxc_nand_command_handler,
.init = &mxc_init,
.reset = &mxc_reset,
.command = &mxc_command,