SNK NeoGeo X v370
UART開機訊息
由於NeoGeo X掌機的內部PCB板有UART的TX、RX測試點，司徒焊接後，使用UART看一下內容，發現NeoGeo X掌機是跑Dingux作業系統的，而剛好國外有一張Dingux開機畫面，一開始司徒覺得不太可能，但是經由這一些訊息發現，這個消息應該是真的。
UART開機訊息(Baudrate: 57600bps)
MMC init ok U-Boot 1.1.6-g5ded7b39-dirty (Dec 4 2012 - 16:27:54) Board: Umido@SNK (CPU Speed 1020 MHz) DRAM: 256 MB Error: Unknown flash ID, force set to 'SST_ID_39SF040' Flash: 512 kB NAND:nand_get_flash_type: No NAND device found!!! NAND device: dev_id: 0x0000 ext_id: 0x000000 not known! nand_scan: No NAND device found!!! 0 MiB MMC init ok *** Warning - MMC/SD first load, using default environment -=-=-=-= 0x8ff7f000 -=-=-=- jz4750_lcd.c 1439 usb status is 0 read vbat value is 4034 usb status is 0 SNK go go go! act8600: Write register --00000080 data: 00000024 act8600: Read register --00000081 data: 00000005 act8600: Write register --00000081 data: 00000081 LCD quick disable timeout! jz4750_lcd.c 1385 jz4750_lcd.c 1488 pix clk is 12142857 In jz4750fb_deep_set_mode pix clk is 12142857 jz4750_lcd.c 1500 LCD quick disable timeout! pix clk is 12142857 jz4750_lcd.c 1515 usb status is 0 usb status is 0 jz4750_lcd.c 1612 MMC init ok Linux version 2.6.31.3-g6113b4c-dirty (ugame_hhx@ugame-desktop) (gcc version 4.3.3 (GCC) ) #319 Tue Dec 4 16:29:54 CST 2012 Jz47XX Floating coprocessor work on 32*32bit mode console [early0] enabled CPU revision is: 2ed1024f (Ingenic JZRISC) FPU revision is: 00330000 CPU clock: 1020MHz, System clock: 128MHz, Peripheral clock: 128MHz, Memory clock: 128MHz JZ4770 F4770 board setup Power Management for JZ Determined physical RAM map: memory: 04000000 @ 00000000 (usable) User-defined physical RAM map: memory: 10000000 @ 00000000 (usable) Zone PFN ranges: Normal 0x00000000 -> 0x00010000 Movable zone start PFN for each node early_node_map[1] active PFN ranges 0: 0x00000000 -> 0x00010000 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 Kernel command line: mem=256M console=ttyS2,57600n8 ip=off root=/dev/mmcblk0p1 ro PID hash table entries: 1024 (order: 10, 4096 bytes) Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) Primary instruction cache 16kB, VIPT, 4-way, linesize 32 bytes. Primary data cache 16kB, 4-way, VIPT, no aliases, linesize 32 bytes Memory: 254916k/262144k available (2954k kernel code, 6864k reserved, 1348k data, 152k init, 0k highmem) SLUB: Genslabs=7, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:384 Console: colour dummy device 80x25 console handover: boot [early0] -> real [ttyS2] Calibrating delay loop... 814.28 BogoMIPS (lpj=4071424) Mount-cache hash table entries: 512 NET: Registered protocol family 16 jz_platform_init bio: create slab <bio-0> at 0 SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb jz_i2c0 jz_i2c0.0: JZ4760 i2c bus driver. jz_i2c1 jz_i2c1.1: JZ4760 i2c bus driver. jz_i2c2 jz_i2c2.5: JZ4760 i2c bus driver. i2c-gpio i2c-gpio.3: using pins 101 (SDA) and 100 (SCL) act8600_power: 4 84 1 5 49 1 6 57 0 7 57 1 8 36 1 ===>start MSC0 clock mmc0: No card detect facilities available mmc0: new high speed MMC card at address 0001 JZ mmc0 driver registered ===>start MSC1 clock! ===>REG_CPM_CLKGR0 = 0x2fddb780 JZ mmc1 driver registered musb_hdrc: version 6.0, musb-dma, otg (peripheral+host), debug=0 jz4760: Normal mode. musb_hdrc musb_hdrc.0: DMA IRQ: Shared. DMA Channels: 6. jz4760: Disable USB PHY. jz_vbus_hotplug: Registered. musb_hdrc musb_hdrc.0: USB OTG mode controller at b3440000 using DMA, IRQ 21 NET: Registered protocol family 1 cable state is OFFLINE msgmni has been set to 498 alg: No test for stdrng (krng) io scheduler noop registered io scheduler cfq registered (default) Medive printk: create proc : it6610_me! LCDC: PixClock:12000000 REG_CPM_LPCDR=0x20000023 LCDC: PixClock:12000000 REG_CPM_LPCDR=0x20000023 test kernel argv from uboot start! JZ4770: Char device core registered. JZ4770: Virtual Driver of TCSM registered. init rda5807p ++++++++++++ HP OUT +++++++++++++ REG_CPM_GPUCDR= 0x00000002 GPU CLOCK USE PLL0 GPU GPU_CLK2x= 340 MHz Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled Serial: ttyS2 at MMIO 0x0 (irq = 3) is a 16550A loop: module loaded efuse check OK! register misc device efuse successed. jz4770_mii_bus: probed eth%d: Don't found any phy device at all jz4770_mac jz4770_mac.0: MII Probe failed! PPP generic driver version 2.4.2 PPP Deflate Compression module registered PPP BSD Compression module registered PPP MPPE Compression module registered usbmon: debugfs is not available ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver jz-ohci jz-ohci.0: JZ OHCI jz-ohci jz-ohci.0: new USB bus registered, assigned bus number 1 jz-ohci jz-ohci.0: irq 20, io mem 0x13430000 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. g_file_storage gadget: File-backed Storage Gadget, version: 20 November 2008 g_file_storage gadget: Number of LUNs=1 jz4760: Disable USB PHY. musb_hdrc musb_hdrc.0: MUSB HDRC host driver musb_hdrc musb_hdrc.0: new USB bus registered, assigned bus number 2 usb usb2: configuration #1 chosen from 1 choice hub 2-0:1.0: USB hub found hub 2-0:1.0: 1 port detected jz4760: Enable USB PHY. jz-gpio-keys: scan interval 20ms input: JZ GPIO keys as /class/input/input0 input: touchscreen as /class/input/input1 input: JZ Touch Screen registered. Create vbat proc entry. WARNING: can NOT get clock 4119! jz4770-rtc jz4770-rtc: rtc core: registered jz4770-rtc as rtc0 mmcblk0: mmc0:0001 M2G1DE 1.86 GiB mmcblk0: p1 p2 p3 p4 usbcore: registered new interface driver usbhid usbhid: v2.6:USB HID core driver register codec 802adf58 ===>enter init_jz_i2s musb_stage0_irq 759: unhandled DISCONNECT transition (UNDEFINED) drivers/video/jz4760_lcd.c 3103 avout_ack_timer 1 hdmi out JZ I2S OSS audio driver initialized NET: Registered protocol family 17 jz4770-rtc jz4770-rtc: setting system clock to 2010-10-16 22:28:48 UTC (1287268128) kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with writeback data mode. VFS: Mounted root (ext3 filesystem) readonly on device 179:1. Freeing unused kernel memory: 152k freed Warning: unable to open an initial console. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with writeback data mode. jz-msc0: MSC_STAT_CRC, cmd=18 Welcome to dingux (none) login: jz-msc0: MSC_STAT_CRC, cmd=18 Medive printk: write it610 mode is 0 LCD disable timeout! REG_LCD_STATE=0x00000000x Medive printk: write it610 mode is 0 LCD disable timeout! REG_LCD_STATE=0x00000006x mixer set volume,is external codec 0 key_open