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M88CS8001 Sat Receiver
Jonathan Neuschäfer edited this page Aug 22, 2022
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7 revisions
Satellite TV receivers
-
SoC: Montage LZ M88CS8001
- CPU: 2x MIPS 24KE
- Embedded RAM: 64 MiB
-
Mainboard:
HS1168-8001-02(B) -
Case: Probably sold under many names, such as:
- PremiumX FTA 521S Digital HD receiver
-
I/O:
- back: LNB IN, USB type A , HDMI, SCART, "coaxial", RS-232, DC 12V in
-
front: IR detector, 7-seg display, buttons (left, right, power), USB type A
- Using CT1642 LED/key matrix driver IC
- HF frontend: Allegro A8304 LNB regulator
Connector J3 connects the RS-232 port to the mainboard. The port runs at 12V and 115200 baud.
| pin | description |
|---|---|
| 1 | TX (0V/12V) |
| 2 | RX |
| 3 | GND |
Firmware is stored on a 4 MiB flash chip (EN25Q32).
start end description
00000000 00010000 bootloader
00010000 00010400 partition table
Excerpt of two different partition tables:
0x00010000 2A 5E 5F 5E 2A 44 4D 28 5E 6F 5E 29 00 00 3F 00 |*^_^*DM(^o^)..?.| \ 2A 5E 5F 5E 2A 44 4D 28 5E 6F 5E 29 00 00 3F 00 |*^_^*DM(^o^)..?.|
0x00010010 00 00 00 04 00 00 40 00 14 00 30 00 FC 00 01 00 |......@...0.....| / 00 00 00 04 00 00 40 00 15 00 30 00 FC 00 01 00 |......@...0.....|
0x00010020 00 04 00 00 BD 56 04 00 43 F1 C1 B4 30 30 30 30 |.....V..C...0000| \ 00 04 00 00 56 72 04 00 5E F3 FD 3F 30 30 30 30 |....Vr..^..?0000|
0x00010030 30 30 30 31 61 76 5F 63 70 75 00 00 E3 07 02 0E |0001av_cpu......| / 30 30 30 31 61 76 5F 63 70 75 00 00 E6 07 01 06 |0001av_cpu......|
0x00010040 0C 15 1D 00 00 00 00 00 00 00 00 00 89 00 01 00 |................| \ 0A 2A 38 00 00 00 00 00 00 00 00 00 89 00 01 00 |.*8.............|
0x00010050 BD 5A 04 00 30 46 03 00 4E 43 52 43 30 30 30 30 |.Z..0F..NCRC0000| / 56 76 04 00 54 53 03 00 4E 43 52 43 30 30 30 30 |Vv..TS..NCRC0000|
0x00010060 30 30 30 31 69 6D 67 00 00 00 00 00 E3 07 02 0E |0001img.........| \ 30 30 30 31 69 6D 67 00 00 00 00 00 E6 07 01 06 |0001img.........|
0x00010070 0C 11 29 00 00 00 00 00 00 00 00 00 88 00 01 00 |..).............| / 0A 29 29 00 00 00 00 00 00 00 00 00 88 00 01 00 |.)).............|
0x00010080 ED A0 07 00 18 24 23 00 4E 43 52 43 30 30 30 30 |.....$#.NCRC0000| \ AA C9 07 00 6C 42 21 00 4E 43 52 43 30 30 30 30 |....lB!.NCRC0000|
Details:
Partition table header
0x00010000 2A 5E 5F 5E 2A 44 4D 28 5E 6F 5E 29 |*^_^*DM(^o^) | Magic value
00 00 3F 00 | ..?.| unknown
0x00010010 00 00 00 04 |.... |
Partition entry
00 00 40 00 14 00 30 00 FC 00 01 00 | ..@...0.....|
0x00010020 00 04 00 00 BD 56 04 00 |.....V..C...0000|
43 F1 C1 B4 | C... | CRC32 or 'NCRC'
30 30 30 30 | 0000| always '00000001'
0x00010030 30 30 30 31 |0001 |
61 76 5F 63 70 75 00 00 | av_cpu.. | partition name
E3 07 02 0E | ....| unknown
0x00010040 0C 15 1D 00 00 00 00 00 00 00 00 00 89 00 01 00 |................|
| partition | load address |
|---|---|
| booloader |
0x8e200000 (raw from offset 0 to 0x10000) |
| demo |
0x80008000 (decompressed) |
| img |
0x80200000 (decompressed) |
| av_cpu |
0x83e10000 (decompressed) |
ROM
MCPU: version:btinit VER 0.0.5_sym:[hg_160_fe8bc9c83d1d] Build Time:[Sep 24 2019, 17:20:30]C$9BBCCCBBU
*****************************************
** Board: mips CPU: sym - MIPS 24KEc
** SOC name : 0x8080
** PACKET type : SIP_68S_DDR2
*****************************************
DRAM:
DDR is 64MiBytes
20 MiB
phy_clk = 405, clk=50
R_SPIN_CH0_BAUD: 40000009
[0x1c 0x3016].
encrypt0
load_secondary_core_boot_word : secondary_img_start = 0x83e10000
concerto_check_cpu_ready: start
^-^ In main , ebase=0x83e01001, cause=0x38800018, status=0xfc00
avcpu ver = AVCPU_VERSION:[1139:4c830f2607bd] Build Time:[Oct 23conc9r o9ch0c3_]puTria y: s4a t
cpu!
av_stack_addr = 0x83e00000, size = 20000
line=380: av sp: 83dffee8
concerto_check_cpu_ready: start
10123**CDU UDQ**: b85f
[FastLogo][ap_init:735]Entry...
[FastLogo][_ai_dm_init]Entry...ticks:0
[FastLogo][_ai_dm_init]set header...ticks:0
[Fastlogo] Hdmi not init success
*****************************************
** Board: mips CPU: sym - MIPS 24KEc
** SOC name : 0x8080
** PACKET type : SIP_68S_DDR2
*****************************************
DRAM: 20 MiB
phy_clk = 405, clk=50
R_SPIN_CH0_BAUD: 40000009
[0x1c 0x3016].10123
3. sys partition size(free_mem) 11488936
**CDU UDQ**: b85f
priv->cfg.p_dem_bus = 0x80722040
_mt_fe_dmd_cs8k_sat_download_fw[4677]: fw_size = 12436
**LCK UDQ**: 2f68
cas_adt_ncs_attach
0x8cd8884700005007
eve0
-------symphony Clock Dump-------
Invalid system clock config.
ret:7 type:0
ver:0x8000a005 pkg:0x16
cpu0_clk=576000000
cpu1_clk=411000000
cpu2_clk=0
ahb_clk=192000000
apb_clk=82285714
dma_clk=192000000
tsi_clk=131000000
secure_clk=131000000
vdec_clk=262000000
display_clk=206000000
di_clk=262000000
gpe_clk=206000000
jpeg_clk=131000000
aout_clk=262000000
uart0_clk=27000000
uart1_clk=27000000
smc0_clk=405000000
spi0_clk=405000000
irda_clk=27000000
ledkb_clk=27000000
i2c_clk=82285714
timer_clk=27000000
watchdog_clk=27000000
cpu1: ON
cpu2: ON
DDR: ON
DMA: ON
CRYPTO: ON
TSI: ON
TSI-CSA3.0: OFF
AOUT: ON
SPDIF: ON
HDMI: ON
VBI: ON
SDVENC: ON
HDVENC: ON
GRA: ON
DISP: ON
JPEG: ON
VDEC: ON
MAC: OFF
RMII: OFF
USB0: ON
USB1: ON
DEMO-C: OFF
DEMO-S: Unknown
PLL_CPU: OFF
CADC: OFF
SADC: ON
ADAC: ON
VDAC0: OFF
VDAC1: OFF
VDAC2: OFF
VDAC3: ON
RNG: OFF
reg:0xbf500000 val:0x6202033
reg:0xbf500054 val:0x776363
reg:0xbf500020 val:0x20000
reg:0xbf500024 val:0xf0000
reg:0xbf500034 val:0x31
reg:0xbf500010 val:0x1117
reg:0xbf500014 val:0x101
reg:0xbf500018 val:0x3000f0f
reg:0xbf50001c val:0x11ff03
reg:0xbf157000 val:0x41177000
reg:0xbf5d009c val:0x41000000
| start | description |
|---|---|
0x80000000 |
cache memory |
0xa0000000 |
non-cache memory |
0x9e000000 |
flash memory |
0xbf000000 |
MMIO |