What might have gone wrong ???
I followed everything from
http://wiki.openwrt.org/toh/seagate/dockstar


CE>> mw 0x800000 0xffff 0x40000


CE>> tftpboot 0x800000 openwrt-kirkwood-dockstar-u-boot.bin


Using egiga0 device

TFTP from server 10.5.5.1; our IP address is 10.5.5.2

Filename 'openwrt-kirkwood-dockstar-u-boot.bin'.

Load address: 0x800000

Loading: #################################

done

Bytes transferred = 164396 (2822c hex)

CE>> and erase 0x000000 0x80000


Unknown command 'and' - try 'help'

CE>> nand erase 0x000000 0x80000




NAND erase: device 0 offset 0x0, size 0x80000


Erasing at 0x0 --  25% complete.
Erasing at 0x20000 --  50% complete.
Erasing at 0x40000 --  75% complete.
Erasing at 0x60000 -- 100% complete.

OK

CE>> nand write.e 0x800000 0x000000 0x40000




NAND write: device 0 offset 0x0, size 0x40000




Writing data at 0x0 --   0% complete.
Writing data at 0x800 --   1% complete.
Writing data at 0x1000 --   2% complete.
Writing data at 0x1800 --   3% complete.
Writing data at 0x2800 --   4% complete.
Writing data at 0x3000 --   5% complete.
Writing data at 0x3800 --   6% complete.
Writing data at 0x4000 --   7% complete.
Writing data at 0x5000 --   8% complete.
Writing data at 0x5800 --   9% complete.
Writing data at 0x6000 --  10% complete.
Writing data at 0x7000 --  11% complete.
Writing data at 0x7800 --  12% complete.
Writing data at 0x8000 --  13% complete.
Writing data at 0x8800 --  14% complete.
Writing data at 0x9800 --  15% complete.
Writing data at 0xa000 --  16% complete.
Writing data at 0xa800 --  17% complete.
Writing data at 0xb800 --  18% complete.
Writing data at 0xc000 --  19% complete.
Writing data at 0xc800 --  20% complete.
Writing data at 0xd000 --  21% complete.
Writing data at 0xe000 --  22% complete.
Writing data at 0xe800 --  23% complete.
Writing data at 0xf000 --  24% complete.
Writing data at 0xf800 --  25% complete.
Writing data at 0x10800 --  26% complete.
Writing data at 0x11000 --  27% complete.
Writing data at 0x11800 --  28% complete.
Writing data at 0x12800 --  29% complete.
Writing data at 0x13000 --  30% complete.
Writing data at 0x13800 --  31% complete.
Writing data at 0x14000 --  32% complete.
Writing data at 0x15000 --  33% complete.
Writing data at 0x15800 --  34% complete.
Writing data at 0x16000 --  35% complete.
Writing data at 0x17000 --  36% complete.
Writing data at 0x17800 --  37% complete.
Writing data at 0x18000 --  38% complete.
Writing data at 0x18800 --  39% complete.
Writing data at 0x19800 --  40% complete.
Writing data at 0x1a000 --  41% complete.
Writing data at 0x1a800 --  42% complete.
Writing data at 0x1b800 --  43% complete.
Writing data at 0x1c000 --  44% complete.
Writing data at 0x1c800 --  45% complete.
Writing data at 0x1d000 --  46% complete.
Writing data at 0x1e000 --  47% complete.
Writing data at 0x1e800 --  48% complete.
Writing data at 0x1f000 --  49% complete.
Writing data at 0x1f800 --  50% complete.
Writing data at 0x20800 --  51% complete.
Writing data at 0x21000 --  52% complete.
Writing data at 0x21800 --  53% complete.
Writing data at 0x22800 --  54% complete.
Writing data at 0x23000 --  55% complete.
Writing data at 0x23800 --  56% complete.
Writing data at 0x24000 --  57% complete.
Writing data at 0x25000 --  58% complete.
Writing data at 0x25800 --  59% complete.
Writing data at 0x26000 --  60% complete.
Writing data at 0x27000 --  61% complete.
Writing data at 0x27800 --  62% complete.
Writing data at 0x28000 --  63% complete.
Writing data at 0x28800 --  64% complete.
Writing data at 0x29800 --  65% complete.
Writing data at 0x2a000 --  66% complete.
Writing data at 0x2a800 --  67% complete.
Writing data at 0x2b800 --  68% complete.
Writing data at 0x2c000 --  69% complete.
Writing data at 0x2c800 --  70% complete.
Writing data at 0x2d000 --  71% complete.
Writing data at 0x2e000 --  72% complete.
Writing data at 0x2e800 --  73% complete.
Writing data at 0x2f000 --  74% complete.
Writing data at 0x2f800 --  75% complete.
Writing data at 0x30800 --  76% complete.
Writing data at 0x31000 --  77% complete.
Writing data at 0x31800 --  78% complete.
Writing data at 0x32800 --  79% complete.
Writing data at 0x33000 --  80% complete.
Writing data at 0x33800 --  81% complete.
Writing data at 0x34000 --  82% complete.
Writing data at 0x35000 --  83% complete.
Writing data at 0x35800 --  84% complete.
Writing data at 0x36000 --  85% complete.
Writing data at 0x37000 --  86% complete.
Writing data at 0x37800 --  87% complete.
Writing data at 0x38000 --  88% complete.
Writing data at 0x38800 --  89% complete.
Writing data at 0x39800 --  90% complete.
Writing data at 0x3a000 --  91% complete.
Writing data at 0x3a800 --  92% complete.
Writing data at 0x3b800 --  93% complete.
Writing data at 0x3c000 --  94% complete.
Writing data at 0x3c800 --  95% complete.
Writing data at 0x3d000 --  96% complete.
Writing data at 0x3e000 --  97% complete.
Writing data at 0x3e800 --  98% complete.
Writing data at 0x3f000 --  99% complete.
Writing data at 0x3f800 -- 100% complete.

262144 bytes written: OK

CE>> setenv bootcmd nand read.e 0x2000000 0x100000 0x400000\; go 0x2000000


CE>> saveenv


Saving Environment to NAND...

Erasing Nand...Writing to Nand... done

CE>> mw 0x6400000 0xffff 0x300000


CE>> tftpboot 0x6400000 openwrt-kirkwood-uImage


Using egiga0 device

TFTP from server 10.5.5.1; our IP address is 10.5.5.2

Filename 'openwrt-kirkwood-uImage'.

Load address: 0x6400000

Loading: #################################################################

         #################################################################

         #################################################################

         #####################

done

Bytes transferred = 1104780 (10db8c hex)

CE>> nand erase 0x100000 0x400000




NAND erase: device 0 offset 0x100000, size 0x400000


Erasing at 0x100000 --   3% complete.
Erasing at 0x120000 --   6% complete.
Erasing at 0x140000 --   9% complete.
Erasing at 0x160000 --  12% complete.
Erasing at 0x180000 --  15% complete.
Erasing at 0x1a0000 --  18% complete.
Erasing at 0x1c0000 --  21% complete.
Erasing at 0x1e0000 --  25% complete.
Erasing at 0x200000 --  28% complete.
Erasing at 0x220000 --  31% complete.
Erasing at 0x240000 --  34% complete.
Erasing at 0x260000 --  37% complete.
Erasing at 0x280000 --  40% complete.
Erasing at 0x2a0000 --  43% complete.
Erasing at 0x2c0000 --  46% complete.
Erasing at 0x2e0000 --  50% complete.
Erasing at 0x300000 --  53% complete.
Erasing at 0x320000 --  56% complete.
Erasing at 0x340000 --  59% complete.
Erasing at 0x360000 --  62% complete.
Erasing at 0x380000 --  65% complete.
Erasing at 0x3a0000 --  68% complete.
Erasing at 0x3c0000 --  71% complete.
Erasing at 0x3e0000 --  75% complete.
Erasing at 0x400000 --  78% complete.
Erasing at 0x420000 --  81% complete.
Erasing at 0x440000 --  84% complete.
Erasing at 0x460000 --  87% complete.
Erasing at 0x480000 --  90% complete.
Erasing at 0x4a0000 --  93% complete.
Erasing at 0x4c0000 --  96% complete.
Erasing at 0x4e0000 -- 100% complete.

OK

CE>> nand write.e 0x6400000 0x100000 0x400000




NAND write: device 0 offset 0x100000, size 0x400000




Writing data at 0x100000 --   0% complete.
Writing data at 0x10a000 --   1% complete.
Writing data at 0x114000 --   2% complete.
Writing data at 0x11e800 --   3% complete.
Writing data at 0x128800 --   4% complete.
Writing data at 0x133000 --   5% complete.
Writing data at 0x13d000 --   6% complete.
Writing data at 0x147800 --   7% complete.
Writing data at 0x151800 --   8% complete.
Writing data at 0x15c000 --   9% complete.
Writing data at 0x166000 --  10% complete.
Writing data at 0x170800 --  11% complete.
Writing data at 0x17a800 --  12% complete.
Writing data at 0x185000 --  13% complete.
Writing data at 0x18f000 --  14% complete.
Writing data at 0x199800 --  15% complete.
Writing data at 0x1a3800 --  16% complete.
Writing data at 0x1ae000 --  17% complete.
Writing data at 0x1b8000 --  18% complete.
Writing data at 0x1c2800 --  19% complete.
Writing data at 0x1cc800 --  20% complete.
Writing data at 0x1d7000 --  21% complete.
Writing data at 0x1e1000 --  22% complete.
Writing data at 0x1eb800 --  23% complete.
Writing data at 0x1f5800 --  24% complete.
Writing data at 0x1ff800 --  25% complete.
Writing data at 0x20a000 --  26% complete.
Writing data at 0x214000 --  27% complete.
Writing data at 0x21e800 --  28% complete.
Writing data at 0x228800 --  29% complete.
Writing data at 0x233000 --  30% complete.
Writing data at 0x23d000 --  31% complete.
Writing data at 0x247800 --  32% complete.
Writing data at 0x251800 --  33% complete.
Writing data at 0x25c000 --  34% complete.
Writing data at 0x266000 --  35% complete.
Writing data at 0x270800 --  36% complete.
Writing data at 0x27a800 --  37% complete.
Writing data at 0x285000 --  38% complete.
Writing data at 0x28f000 --  39% complete.
Writing data at 0x299800 --  40% complete.
Writing data at 0x2a3800 --  41% complete.
Writing data at 0x2ae000 --  42% complete.
Writing data at 0x2b8000 --  43% complete.
Writing data at 0x2c2800 --  44% complete.
Writing data at 0x2cc800 --  45% complete.
Writing data at 0x2d7000 --  46% complete.
Writing data at 0x2e1000 --  47% complete.
Writing data at 0x2eb800 --  48% complete.
Writing data at 0x2f5800 --  49% complete.
Writing data at 0x2ff800 --  50% complete.
Writing data at 0x30a000 --  51% complete.
Writing data at 0x314000 --  52% complete.
Writing data at 0x31e800 --  53% complete.
Writing data at 0x328800 --  54% complete.
Writing data at 0x333000 --  55% complete.
Writing data at 0x33d000 --  56% complete.
Writing data at 0x347800 --  57% complete.
Writing data at 0x351800 --  58% complete.
Writing data at 0x35c000 --  59% complete.
Writing data at 0x366000 --  60% complete.
Writing data at 0x370800 --  61% complete.
Writing data at 0x37a800 --  62% complete.
Writing data at 0x385000 --  63% complete.
Writing data at 0x38f000 --  64% complete.
Writing data at 0x399800 --  65% complete.
Writing data at 0x3a3800 --  66% complete.
Writing data at 0x3ae000 --  67% complete.
Writing data at 0x3b8000 --  68% complete.
Writing data at 0x3c2800 --  69% complete.
Writing data at 0x3cc800 --  70% complete.
Writing data at 0x3d7000 --  71% complete.
Writing data at 0x3e1000 --  72% complete.
Writing data at 0x3eb800 --  73% complete.
Writing data at 0x3f5800 --  74% complete.
Writing data at 0x3ff800 --  75% complete.
Writing data at 0x40a000 --  76% complete.
Writing data at 0x414000 --  77% complete.
Writing data at 0x41e800 --  78% complete.
Writing data at 0x428800 --  79% complete.
Writing data at 0x433000 --  80% complete.
Writing data at 0x43d000 --  81% complete.
Writing data at 0x447800 --  82% complete.
Writing data at 0x451800 --  83% complete.
Writing data at 0x45c000 --  84% complete.
Writing data at 0x466000 --  85% complete.
Writing data at 0x470800 --  86% complete.
Writing data at 0x47a800 --  87% complete.
Writing data at 0x485000 --  88% complete.
Writing data at 0x48f000 --  89% complete.
Writing data at 0x499800 --  90% complete.
Writing data at 0x4a3800 --  91% complete.
Writing data at 0x4ae000 --  92% complete.
Writing data at 0x4b8000 --  93% complete.
Writing data at 0x4c2800 --  94% complete.
Writing data at 0x4cc800 --  95% complete.
Writing data at 0x4d7000 --  96% complete.
Writing data at 0x4e1000 --  97% complete.
Writing data at 0x4eb800 --  98% complete.
Writing data at 0x4f5800 --  99% complete.
Writing data at 0x4ff800 -- 100% complete.

4194304 bytes written: OK

CE>> mw 0x6400000 0xffff 0x200000


CE>> tftpboot 0x6400000 openwrt-kirkwood-Dockstar-jffs2-128k.img


Using egiga0 device

TFTP from server 10.5.5.1; our IP address is 10.5.5.2

Filename 'openwrt-kirkwood-Dockstar-jffs2-128k.img'.

Load address: 0x6400000

Loading: #################################################################

         #################################################################

         #################################################################

         #################################################################

         #################################################################

         ############################################################

done

Bytes transferred = 1968128 (1e0800 hex)

CE>> nand erase 0x500000 0xfb00000




NAND erase: device 0 offset 0x500000, size 0xfb00000


Erasing at 0x500000 --   0% complete.
Erasing at 0x780000 --   1% complete.
Erasing at 0xa00000 --   2% complete.
Erasing at 0xc80000 --   3% complete.
Erasing at 0xf00000 --   4% complete.
Erasing at 0x1180000 --   5% complete.
Erasing at 0x1400000 --   6% complete.
Erasing at 0x1680000 --   7% complete.
Erasing at 0x1900000 --   8% complete.
Erasing at 0x1b80000 --   9% complete.
Erasing at 0x1e00000 --  10% complete.
Erasing at 0x2080000 --  11% complete.
Erasing at 0x2300000 --  12% complete.
Erasing at 0x25a0000 --  13% complete.
Erasing at 0x2820000 --  14% complete.
Erasing at 0x2aa0000 --  15% complete.
Erasing at 0x2d20000 --  16% complete.
Erasing at 0x2fa0000 --  17% complete.
Erasing at 0x3220000 --  18% complete.
Erasing at 0x34a0000 --  19% complete.
Erasing at 0x3720000 --  20% complete.
Erasing at 0x39a0000 --  21% complete.
Erasing at 0x3c20000 --  22% complete.
Erasing at 0x3ea0000 --  23% complete.
Erasing at 0x4120000 --  24% complete.
Erasing at 0x43a0000 --  25% complete.
Erasing at 0x4640000 --  26% complete.
Erasing at 0x48c0000 --  27% complete.
Erasing at 0x4b40000 --  28% complete.
Erasing at 0x4dc0000 --  29% complete.
Erasing at 0x5040000 --  30% complete.
Erasing at 0x52c0000 --  31% complete.
Erasing at 0x5540000 --  32% complete.
Erasing at 0x57c0000 --  33% complete.
Erasing at 0x5a40000 --  34% complete.
Erasing at 0x5cc0000 --  35% complete.
Erasing at 0x5f40000 --  36% complete.
Erasing at 0x61c0000 --  37% complete.
Erasing at 0x6460000 --  38% complete.
Erasing at 0x66e0000 --  39% complete.
Erasing at 0x6960000 --  40% complete.
Erasing at 0x6be0000 --  41% complete.
Erasing at 0x6e60000 --  42% complete.
Erasing at 0x70e0000 --  43% complete.
Erasing at 0x7360000 --  44% complete.
Erasing at 0x75e0000 --  45% complete.
Erasing at 0x7860000 --  46% complete.
Erasing at 0x7ae0000 --  47% complete.
Erasing at 0x7d60000 --  48% complete.
Erasing at 0x7fe0000 --  49% complete.
Erasing at 0x8260000 --  50% complete.
Erasing at 0x8500000 --  51% complete.
Erasing at 0x8780000 --  52% complete.
Erasing at 0x8a00000 --  53% complete.
Erasing at 0x8c80000 --  54% complete.
Erasing at 0x8f00000 --  55% complete.
Erasing at 0x9180000 --  56% complete.
Erasing at 0x9400000 --  57% complete.
Erasing at 0x9680000 --  58% complete.
Erasing at 0x9900000 --  59% complete.
Erasing at 0x9b80000 --  60% complete.
Erasing at 0x9e00000 --  61% complete.
Erasing at 0xa080000 --  62% complete.
Erasing at 0xa320000 --  63% complete.
Erasing at 0xa5a0000 --  64% complete.
Erasing at 0xa820000 --  65% complete.
Erasing at 0xaaa0000 --  66% complete.
Erasing at 0xad20000 --  67% complete.
Erasing at 0xafa0000 --  68% complete.
Erasing at 0xb220000 --  69% complete.
Erasing at 0xb4a0000 --  70% complete.
Erasing at 0xb720000 --  71% complete.
Erasing at 0xb9a0000 --  72% complete.
Erasing at 0xbc20000 --  73% complete.
Erasing at 0xbea0000 --  74% complete.
Erasing at 0xc120000 --  75% complete.
Erasing at 0xc3c0000 --  76% complete.
Erasing at 0xc640000 --  77% complete.
Erasing at 0xc8c0000 --  78% complete.
Erasing at 0xcb40000 --  79% complete.
Erasing at 0xcdc0000 --  80% complete.
Erasing at 0xd040000 --  81% complete.
Erasing at 0xd2c0000 --  82% complete.
Erasing at 0xd540000 --  83% complete.
Erasing at 0xd7c0000 --  84% complete.
Erasing at 0xda40000 --  85% complete.
Erasing at 0xdcc0000 --  86% complete.
Erasing at 0xdf40000 --  87% complete.
Erasing at 0xe1e0000 --  88% complete.
Erasing at 0xe460000 --  89% complete.
Erasing at 0xe6e0000 --  90% complete.
Erasing at 0xe960000 --  91% complete.
Erasing at 0xebe0000 --  92% complete.
Erasing at 0xee60000 --  93% complete.
Erasing at 0xf0e0000 --  94% complete.
Erasing at 0xf360000 --  95% complete.
Erasing at 0xf5e0000 --  96% complete.
Erasing at 0xf860000 --  97% complete.
Erasing at 0xfae0000 --  98% complete.
Erasing at 0xfd60000 --  99% complete.
Erasing at 0xffe0000 -- 100% complete.

OK

CE>> nand write.e 0x6400000 0x500000 0x200000




NAND write: device 0 offset 0x500000, size 0x200000




Writing data at 0x500000 --   0% complete.
Writing data at 0x505000 --   1% complete.
Writing data at 0x50a000 --   2% complete.
Writing data at 0x50f000 --   3% complete.
Writing data at 0x514000 --   4% complete.
Writing data at 0x519800 --   5% complete.
Writing data at 0x51e800 --   6% complete.
Writing data at 0x523800 --   7% complete.
Writing data at 0x528800 --   8% complete.
Writing data at 0x52e000 --   9% complete.
Writing data at 0x533000 --  10% complete.
Writing data at 0x538000 --  11% complete.
Writing data at 0x53d000 --  12% complete.
Writing data at 0x542800 --  13% complete.
Writing data at 0x547800 --  14% complete.
Writing data at 0x54c800 --  15% complete.
Writing data at 0x551800 --  16% complete.
Writing data at 0x557000 --  17% complete.
Writing data at 0x55c000 --  18% complete.
Writing data at 0x561000 --  19% complete.
Writing data at 0x566000 --  20% complete.
Writing data at 0x56b800 --  21% complete.
Writing data at 0x570800 --  22% complete.
Writing data at 0x575800 --  23% complete.
Writing data at 0x57a800 --  24% complete.
Writing data at 0x57f800 --  25% complete.
Writing data at 0x585000 --  26% complete.
Writing data at 0x58a000 --  27% complete.
Writing data at 0x58f000 --  28% complete.
Writing data at 0x594000 --  29% complete.
Writing data at 0x599800 --  30% complete.
Writing data at 0x59e800 --  31% complete.
Writing data at 0x5a3800 --  32% complete.
Writing data at 0x5a8800 --  33% complete.
Writing data at 0x5ae000 --  34% complete.
Writing data at 0x5b3000 --  35% complete.
Writing data at 0x5b8000 --  36% complete.
Writing data at 0x5bd000 --  37% complete.
Writing data at 0x5c2800 --  38% complete.
Writing data at 0x5c7800 --  39% complete.
Writing data at 0x5cc800 --  40% complete.
Writing data at 0x5d1800 --  41% complete.
Writing data at 0x5d7000 --  42% complete.
Writing data at 0x5dc000 --  43% complete.
Writing data at 0x5e1000 --  44% complete.
Writing data at 0x5e6000 --  45% complete.
Writing data at 0x5eb800 --  46% complete.
Writing data at 0x5f0800 --  47% complete.
Writing data at 0x5f5800 --  48% complete.
Writing data at 0x5fa800 --  49% complete.
Writing data at 0x5ff800 --  50% complete.
Writing data at 0x605000 --  51% complete.
Writing data at 0x60a000 --  52% complete.
Writing data at 0x60f000 --  53% complete.
Writing data at 0x614000 --  54% complete.
Writing data at 0x619800 --  55% complete.
Writing data at 0x61e800 --  56% complete.
Writing data at 0x623800 --  57% complete.
Writing data at 0x628800 --  58% complete.
Writing data at 0x62e000 --  59% complete.
Writing data at 0x633000 --  60% complete.
Writing data at 0x638000 --  61% complete.
Writing data at 0x63d000 --  62% complete.
Writing data at 0x642800 --  63% complete.
Writing data at 0x647800 --  64% complete.
Writing data at 0x64c800 --  65% complete.
Writing data at 0x651800 --  66% complete.
Writing data at 0x657000 --  67% complete.
Writing data at 0x65c000 --  68% complete.
Writing data at 0x661000 --  69% complete.
Writing data at 0x666000 --  70% complete.
Writing data at 0x66b800 --  71% complete.
Writing data at 0x670800 --  72% complete.
Writing data at 0x675800 --  73% complete.
Writing data at 0x67a800 --  74% complete.
Writing data at 0x67f800 --  75% complete.
Writing data at 0x685000 --  76% complete.
Writing data at 0x68a000 --  77% complete.
Writing data at 0x68f000 --  78% complete.
Writing data at 0x694000 --  79% complete.
Writing data at 0x699800 --  80% complete.
Writing data at 0x69e800 --  81% complete.
Writing data at 0x6a3800 --  82% complete.
Writing data at 0x6a8800 --  83% complete.
Writing data at 0x6ae000 --  84% complete.
Writing data at 0x6b3000 --  85% complete.
Writing data at 0x6b8000 --  86% complete.
Writing data at 0x6bd000 --  87% complete.
Writing data at 0x6c2800 --  88% complete.
Writing data at 0x6c7800 --  89% complete.
Writing data at 0x6cc800 --  90% complete.
Writing data at 0x6d1800 --  91% complete.
Writing data at 0x6d7000 --  92% complete.
Writing data at 0x6dc000 --  93% complete.
Writing data at 0x6e1000 --  94% complete.
Writing data at 0x6e6000 --  95% complete.
Writing data at 0x6eb800 --  96% complete.
Writing data at 0x6f0800 --  97% complete.
Writing data at 0x6f5800 --  98% complete.
Writing data at 0x6fa800 --  99% complete.
Writing data at 0x6ff800 -- 100% complete.

2097152 bytes written: OK

CE>>
CTRL-A Z for help |115200 8N1 | NOR | Minicom 2.4    | VT102 | Online 00:49                                                                               



then reset the device
and nothing happens
no blinking, no output on the minicom

I wonder what really went wrong