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imx23-olinuxino: swith to generic peristent env 

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Eric Bénard 2013-02-19 10:17:24 +01:00 committed by Sascha Hauer
parent eec960e3b3
commit 2ce56634a5
1 changed files with 3 additions and 42 deletions
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45
arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c
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@ -25,6 +25,7 @@
#include <init.h>
#include <gpio.h>
#include <environment.h>
#include <envfs.h>
#include <errno.h>
#include <mci.h>
#include <asm/armlinux.h>
@ -111,46 +112,6 @@ static void olinuxino_init_usb(void)
add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_USB_BASE, NULL);
}
/**
* Try to register an environment storage on the attached MCI card
* @return 0 on success
*
* We rely on the existence of a usable SD card, already attached to
* our system, to get something like a persistent memory for our environment.
* If this SD card is also the boot media, we can use the second partition
* for our environment purpose (if present!).
*/
static int register_persistant_environment(void)
{
struct cdev *cdev;
/*
* The imx23-olinuxino only has one MCI card socket.
* So, we expect its name as "disk0".
*/
cdev = cdev_by_name("disk0");
if (cdev == NULL) {
pr_err("No MCI card preset\n");
return -ENODEV;
}
/* MCI card is present, also a useable partition on it? */
cdev = cdev_by_name("disk0.1");
if (cdev == NULL) {
pr_err("No second partition available\n");
pr_info("Please create at least a second partition with"
" 256 kiB...512 kiB in size (your choice)\n");
return -ENODEV;
}
/* use the full partition as our persistent environment storage */
return devfs_add_partition("disk0.1", 0, cdev->size,
DEVFS_PARTITION_FIXED, "env0");
}
static int imx23_olinuxino_devices_init(void)
{
int i, rc;
@ -174,9 +135,9 @@ static int imx23_olinuxino_devices_init(void)
olinuxino_init_usb();
rc = register_persistant_environment();
rc = envfs_register_partition("disk0", 1);
if (rc != 0)
printf("Cannot create the 'env0' persistant "
printf("Cannot create the 'env0' persistent "
"environment storage (%d)\n", rc);
return 0;