SNK NeoGeo X v370


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 (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
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
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)
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
LCDC: PixClock:12000000
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 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