FYI, here's the debug patch I used to dump the ATAG partitions.
Tony
>From b65441b89ae7003adb983ac2f225f0bc1ddfba76 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@xxxxxxxxxxx>
Date: Wed, 29 Apr 2009 14:52:20 -0700
Subject: [PATCH] onenand init: Debug patch to print out the onenand partitions from bootloader
Not for merging
diff --git a/arch/arm/mach-omap2/board-n800.c b/arch/arm/mach-omap2/board-n800.c
index e882e4b..e69b3b2 100644
--- a/arch/arm/mach-omap2/board-n800.c
+++ b/arch/arm/mach-omap2/board-n800.c
@@ -726,6 +726,7 @@ static struct omap_onenand_platform_data board_onenand_data = {
static void __init board_onenand_init(void)
{
+ gpmc_set_atag_partitions(onenand_partitions, ONENAND_MAX_PARTITIONS);
gpmc_onenand_init(&board_onenand_data);
}
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 2d53315..664b732 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -519,6 +519,7 @@ static struct omap_onenand_platform_data board_onenand_data = {
static void __init board_onenand_init(void)
{
+ gpmc_set_atag_partitions(onenand_partitions, ONENAND_MAX_PARTITIONS);
gpmc_onenand_init(&board_onenand_data);
}
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 9f5c191..dbf2096 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -327,3 +327,30 @@ void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
return;
}
}
+
+void __init gpmc_set_atag_partitions(struct mtd_partition *parts, int nr_parts)
+{
+ const struct omap_partition_config *part;
+ int i = 0;
+
+ while ((part = omap_get_nr_config(OMAP_TAG_PARTITION,
+ struct omap_partition_config, i)) != NULL) {
+ struct mtd_partition *mpart;
+
+ mpart = parts;
+ mpart->name = (char *)part->name;
+ mpart->size = part->size;
+ mpart->offset = part->offset;
+ mpart->mask_flags = part->mask_flags;
+ printk(KERN_INFO "Partition%i\n", i);
+ printk(KERN_INFO "\t{\n");
+ printk(KERN_INFO "\t\t.name\t\t= \"%s\",\n", mpart->name);
+ printk(KERN_INFO "\t\t.offset\t\t= 0x%llx,\n", mpart->offset);
+ printk(KERN_INFO "\t\t.size\t\t= 0x%llx,\n", mpart->size);
+ printk(KERN_INFO "\t\t.mask_flags\t= 0x%x,\n",
+ mpart->mask_flags);
+ printk(KERN_INFO "\t},\n");
+ i++;
+ parts++;
+ }
+}
diff --git a/arch/arm/plat-omap/include/mach/board.h b/arch/arm/plat-omap/include/mach/board.h
index 4d8d10a..ae8c2db 100644
--- a/arch/arm/plat-omap/include/mach/board.h
+++ b/arch/arm/plat-omap/include/mach/board.h
@@ -125,6 +125,14 @@ struct omap_tmp105_config {
int (* set_power)(int enable);
};
+struct omap_partition_config {
+ char name[16];
+ unsigned int size;
+ unsigned int offset;
+ /* same as in include/linux/mtd/partitions.h */
+ unsigned int mask_flags;
+};
+
struct omap_flash_part_str_config {
char part_table[0];
};
diff --git a/arch/arm/plat-omap/include/mach/onenand.h b/arch/arm/plat-omap/include/mach/onenand.h
index 2a391fa..f6a5320 100644
--- a/arch/arm/plat-omap/include/mach/onenand.h
+++ b/arch/arm/plat-omap/include/mach/onenand.h
@@ -30,6 +30,8 @@ int omap2_onenand_rephase(void);
#if defined(CONFIG_MTD_ONENAND_OMAP2) || defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
+extern void gpmc_set_atag_partitions(struct mtd_partition *parts,
+ int nr_parts);
#else
@@ -43,5 +45,10 @@ static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
{
}
+static inline void gpmc_set_atag_partitions(struct mtd_partition *parts,
+ int nr_parts)
+{
+}
+
#endif
#endif
