diff options
| -rw-r--r-- | target/linux/adm5120-2.6/config/default | 4 | ||||
| -rw-r--r-- | target/linux/adm5120-2.6/files/arch/mips/adm5120/trxsplit.c | 103 | ||||
| -rw-r--r-- | target/linux/adm5120eb-2.6/config/default | 2 |
3 files changed, 46 insertions, 63 deletions
diff --git a/target/linux/adm5120-2.6/config/default b/target/linux/adm5120-2.6/config/default index b99e53765a..6603858027 100644 --- a/target/linux/adm5120-2.6/config/default +++ b/target/linux/adm5120-2.6/config/default @@ -184,8 +184,6 @@ CONFIG_MTD_PARTITIONS=y # CONFIG_MTD_REDBOOT_PARTS is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_ROOTFS_ROOT_DEV is not set -# CONFIG_MTD_ROOTFS_SPLIT is not set # CONFIG_NETDEV_1000 is not set CONFIG_NET_KEY=y # CONFIG_NET_PCI is not set @@ -265,10 +263,8 @@ CONFIG_USB_EHCI_HCD=m # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set CONFIG_USB_OHCI_HCD=m # CONFIG_USB_PEGASUS is not set -# CONFIG_USB_RTL8150 is not set # CONFIG_USB_SERIAL is not set # CONFIG_USB_UHCI_HCD is not set -# CONFIG_USB_ZD1201 is not set # CONFIG_VGASTATE is not set CONFIG_VIDEO_V4L1=y CONFIG_VM_EVENT_COUNTERS=y diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/trxsplit.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/trxsplit.c index 0377892d3f..9dee185a31 100644 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/trxsplit.c +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/trxsplit.c @@ -53,12 +53,11 @@ struct trx_header { #define BLOCK_LEN_MIN 0x10000 -static struct mtd_info *trx_mtd_master = NULL; -static struct mtd_info *trx_mtds[TRX_MAX_OFFSET]; +static struct mtd_info *trx_mtd = NULL; +static unsigned long trx_offset = 0; +static int trx_nr_parts = 0; static struct mtd_partition trx_parts[TRX_MAX_OFFSET]; static struct trx_header trx_hdr; -static int trx_nr_parts = 0; -static int trx_rootfs_part = -1; static int __init trxsplit_checktrx(struct mtd_info *mtd, unsigned long offset) { @@ -66,11 +65,15 @@ static int __init trxsplit_checktrx(struct mtd_info *mtd, unsigned long offset) int err; err = mtd->read(mtd, offset, sizeof(trx_hdr), &retlen, (void *)&trx_hdr); - if (err) + if (err) { + printk(KERN_ALERT PFX "unable to read from '%s'\n", mtd->name); goto err_out; + } - if (retlen != sizeof(trx_hdr)) + if (retlen != sizeof(trx_hdr)) { + printk(KERN_ALERT PFX "reading failed on '%s'\n", mtd->name); goto err_out; + } trx_hdr.magic = le32_to_cpu(trx_hdr.magic); trx_hdr.len = le32_to_cpu(trx_hdr.len); @@ -89,55 +92,67 @@ static int __init trxsplit_checktrx(struct mtd_info *mtd, unsigned long offset) /* TODO: add crc32 checking too? */ - return 1; + return 0; err_out: - return 0; + return -1; } -static void __init trxsplit_create_partitions(struct mtd_info *mtd, - unsigned long offset) +static int __init trxsplit_create_partitions(void) { struct mtd_partition *part = trx_parts; + int ret = 0; int i; - for (i=0;i<TRX_MAX_OFFSET;i++) { + if (trx_mtd == NULL) + goto out; + + printk(KERN_INFO PFX "creating TRX partitions in '%s' (%d,%d)\n", + trx_mtd->name, MTD_BLOCK_MAJOR, trx_mtd->index); + + for (i=0; i<TRX_MAX_OFFSET;i++) { part = &trx_parts[i]; if (trx_hdr.offsets[i] == 0) continue; - part->offset = offset + trx_hdr.offsets[i]; - part->mtdp = &trx_mtds[trx_nr_parts]; + part->offset = trx_offset + trx_hdr.offsets[i]; trx_nr_parts++; } for (i=0; i<trx_nr_parts-1; i++) { trx_parts[i].size = trx_parts[i+1].offset - trx_parts[i].offset; } - trx_parts[i].size = mtd->size - trx_parts[i].offset; + trx_parts[i].size = trx_mtd->size - trx_parts[i].offset; i=0; part = &trx_parts[i]; if (part->size < TRX_MIN_KERNEL_SIZE) { - part->name = "trx_loader"; + part->name = "loader"; i++; } part = &trx_parts[i]; - part->name = "trx_kernel"; + part->name = "kernel"; i++; part = &trx_parts[i]; - part->name = "trx_rootfs"; - trx_rootfs_part = i; + part->name = "rootfs"; + + ret = add_mtd_partitions(trx_mtd, trx_parts, trx_nr_parts); + if (ret) { + printk(KERN_ALERT PFX "creating TRX partitions failed\n"); + } + +out: + return ret; } static void __init trxsplit_add_mtd(struct mtd_info *mtd) { unsigned long offset; unsigned long blocklen; - int found; + int err; - if (trx_mtd_master) + if (trx_mtd) return; blocklen = mtd->erasesize; @@ -146,27 +161,27 @@ static void __init trxsplit_add_mtd(struct mtd_info *mtd) printk(KERN_INFO PFX "searching TRX header in '%s'\n", mtd->name); - found = 0; + err = 0; for (offset=0; offset < mtd->size; offset+=blocklen) { - found = trxsplit_checktrx(mtd, offset); - if (found) + err = trxsplit_checktrx(mtd, offset); + if (err == 0) break; } - if (found == 0) { + if (err) { printk(KERN_ALERT PFX "no TRX header found\n"); return; } printk(KERN_INFO PFX "TRX header found at 0x%lX\n", offset); - trxsplit_create_partitions(mtd, offset); - - trx_mtd_master = mtd; + trx_mtd = mtd; + trx_offset = offset; } -static void trxsplit_remove_mtd(struct mtd_info *mtd) +static void __init trxsplit_remove_mtd(struct mtd_info *mtd) { + /* nothing to do */ } static struct mtd_notifier trxsplit_notifier __initdata = { @@ -182,38 +197,12 @@ static void __init trxsplit_find_trx(void) static int __init trxsplit_init(void) { - int err; - int i; + int ret; trxsplit_find_trx(); - if (trx_mtd_master == NULL) - goto err; - - printk(KERN_INFO PFX "creating TRX partitions in '%s'\n", - trx_mtd_master->name); - - err = add_mtd_partitions(trx_mtd_master, trx_parts, trx_nr_parts); - if (err) { - printk(KERN_ALERT PFX "creating TRX partitions failed\n"); - goto err; - } - - for (i=0; i<trx_nr_parts; i++) { - /* TODO: add error checking */ - add_mtd_device(trx_mtds[i]); - } - - if (ROOT_DEV == 0 && trx_rootfs_part >= 0) { - printk(KERN_INFO PFX "set '%s' to be root filesystem\n", - trx_mtds[trx_rootfs_part]->name); - ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, trx_mtds[trx_rootfs_part]->index); - } - - return 0; - -err: - return -1; + ret = trxsplit_create_partitions(); + return ret; } late_initcall(trxsplit_init); diff --git a/target/linux/adm5120eb-2.6/config/default b/target/linux/adm5120eb-2.6/config/default index e1761f1c92..4a80f3acfe 100644 --- a/target/linux/adm5120eb-2.6/config/default +++ b/target/linux/adm5120eb-2.6/config/default @@ -246,13 +246,11 @@ CONFIG_USB_ADM5120_HCD=y # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_PRINTER is not set -# CONFIG_USB_RTL8150 is not set # CONFIG_USB_SERIAL is not set # CONFIG_USB_STORAGE is not set # CONFIG_USB_UHCI_HCD is not set # CONFIG_USB_USBNET is not set # CONFIG_USB_USBNET_MII is not set -# CONFIG_USB_ZD1201 is not set # CONFIG_VGASTATE is not set CONFIG_VM_EVENT_COUNTERS=y # CONFIG_ZD1211RW is not set |