[U-Boot-Users] [DNX#2006082142000017] [PATCH] NAND feature update

[DENX Support System]

Hello list,

inside the automatic U-Boot patch tracking system a new ticket
[DNX#2006082142000017] was created:

<snip>
> Wolfgang,
> 
> this patch implements functionaly I found useful to have and hopefuly
> others can benefit from it too. Please drop all my previous NAND
> related,
> not yet applied patches. Once (if) applied I will rediff the rest.
> 
> Now you can do:
> 
> # mtdparts
> [snip]
> device nand0 <omapnand.0>, # parts = 5
>  #: name                        size            offset         
> mask_flags
>  0: kernel0                     0x00400000      0x00000000      0
>  1: rootfs0                     0x02800000      0x00400000      0
>  2: kernel1                     0x00400000      0x02c00000      0
>  3: rootfs1                     0x02800000      0x03000000      0
>  4: data                        0x02800000      0x05800000      0
> 
> # nand write 10400000 kernel1 100000
> NAND write: device 0 offset 0x2c00000, size 0x100000  1048576 bytes
> written: OK
> 
> # nboot kernel0
> Loading from NAND 128MiB 3,3V 8-bit, offset 0x0
> ...
> 
> # nand era kernel1
> NAND erase: device 0 offset 0x2c00000, size 0x400000 OK
> 
> or
> 
> # nand era nand0,2
> NAND erase: device 0 offset 0x2c00000, size 0x400000 OK
> 
> # chpart rootfs1
> partition changed to nand0,3
> # fsload /boot/uImage
> ### JFFS2 loading '/boot/uImage' to 0x10400000
> ...
> 
> etc...
> 
> Best regards,
> 	ladis
> 
> Signed-off-by: Ladislav Michl <ladis at linux-mips.org>
> 
> CHANGELOG
> * Patch by Ladislav Michl, 18 Aug 2006:
>   chpart, nboot and NAND subsystem related commands now accept also
> partition
>   name to specify offset.
> 
> diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
> index 201c3c1..90b2930 100644
> --- a/common/cmd_jffs2.c
> +++ b/common/cmd_jffs2.c
> @@ -1300,7 +1303,7 @@ static void list_partitions(void)
>   * Given partition identifier in form of <dev_type><dev_num>,<part_num>
> find
>   * corresponding device and verify partition number.
>   *
> - * @param id string describing device and partition
> + * @param id string describing device and partition or partition name
>   * @param dev pointer to the requested device (output)
>   * @param part_num verified partition number (output)
>   * @param part pointer to requested partition (output)
> @@ -1309,11 +1312,23 @@ static void list_partitions(void)
>  int find_dev_and_part(const char *id, struct mtd_device **dev,
>  		u8 *part_num, struct part_info **part)
>  {
> +	struct list_head *dentry, *pentry;
>  	u8 type, dnum, pnum;
>  	const char *p;
>  
>  	DEBUGF("--- find_dev_and_part ---\nid = %s\n", id);
>  
> +	list_for_each(dentry, &devices) {
> +		*part_num = 0;
> +		*dev = list_entry(dentry, struct mtd_device, link);
> +		list_for_each(pentry, &(*dev)->parts) {
> +			*part = list_entry(pentry, struct part_info, link);
> +			if (strcmp((*part)->name, id) == 0)
> +				return 0;
> +			(*part_num)++;
> +		}
> +	}
> +
>  	p = id;
>  	*dev = NULL;
>  	*part = NULL;
> diff --git a/common/cmd_nand.c b/common/cmd_nand.c
> index 21adb1b..2c9268c 100644
> --- a/common/cmd_nand.c
> +++ b/common/cmd_nand.c
> @@ -36,6 +36,15 @@ #endif
>  #include <jffs2/jffs2.h>
>  #include <nand.h>
</snip>

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