RCA DSB772WE Streaming Media Player

Description
The RCA Wi-Fi Streaming Media Player brings you a world of movies, TV shows, music, online apps and more — without monthly cable TV or satellite TV subscriptions. Just connect it to your Wi-Fi network, connect its 1080p HDMI output to your TV and you're ready to enjoy internet-connected content on your time and your terms. The product can instantly stream Netflix movies and TV shows (Netflix subscription required). You can rent or buy HD movies and TV shows from VUDU. You can also watch your favorite TV shows and movies on demand from Hulu Plus (subscription required). The player also delivers you a wealth of free services, such as YouTube, VUDU Apps, Pandora Internet Radio and Picasa.

Available from Wal-Mart.

NOTE: I have confirmed that this devices is using Linux Kernel 2.6.28.9 - see Linux Support below

Basic Info

 * Broadcom BCM7615 based - MIPS 24K based SoC
 * USB0 used for wifi module
 * USB1 Pads
 * can use usb host connector from Sparkfun
 * can use usb host cable from Amazon.com
 * pads for ethernet jack
 * jack needs to contain the magnetics
 * standard MagJack pads
 * can be populated with MagJack from Sparkfun.com
 * pads Console UART
 * 3.3V TTL
 * can be interfaced using a USB->UART
 * one Hynix HY27UF082G2B NAND Flash (2Gbit - 256MB)
 * two Hynix H5TQ1G63DFR 1Gb DDR3 SDRAM
 * one 27MHz crystal
 * one TI DRV632 DirectPath™, 2-VRMS Line Driver With Adjustable Gain
 * one TI PCM1754 106dB SNR Stereo DAC (H/W Control)

Pictures










Hacking
update/ update/squashfs-7615c0.img update/cfe-2.1.13-7631-b1-v10-cfe-le-secure-signed.elf update/vmlinuz-2628.9_760-7631 update/ucfe-2.1.13-7631-b1-v10-ucfe-le-secure-BK1-MFC-signed.bin update/product_software_update.dat
 * appears to be similar design as the LG ST600 unit.
 * i added a usb host connection to the pads marked USB1. it does enumerate HID devices and mass storage devices.
 * next to connect a serial port to the tx/rx lines to check on console access
 * the board appears to have been originally populated with the ethernet jack and then removed.
 * firmware update manifest available at: http://us-rca-bdplayer.getfirmware.com/deviceupdate/DSB772WE-1101/DSB772WE-1101.XML
 * current firmware as per manifest: http://c263474.r74.cf1.rackcdn.com/alco_7615_v035_012_1123_RCA_DSB772WE_update_pmc1101.fwu
 * firmware contents:

Linux Support
system type : BCM97xxx Settop Platform processor : 0 cpu model : MIPS 24Kc V7.12 cpu MHz : 508.41 BogoMIPS : 508.41 ( udelay_val : 254208 HZ = 1000 ) wait instruction : yes microsecond timers : yes tlb_entries : 64 extra interrupt vector : yes hardware watchpoint : yes, count: 4, address/irw mask: [0x0000, 0x0ff8, 0x0003, 0x0000] ASEs implemented : mips16 shadow register sets : 1 core : 0 VCED exceptions : not available VCEI exceptions : not availabled
 * i have been able to boot a custom kernel using the BCM7635 code from OpenDreamBox
 * [[media:RCA-DSB772WE-bootlog.txt|boot log]]
 * /proc/cpuinfo listing
 * 1) cat /proc/cpuinfo

(*) Direct/Interface: Loaded 'JPEG' implementation of 'IDirectFBImageProvider'.
 * root access is available

(none) login: (none) login: (none) login: root total 0 drwxr-xr-x 2 root root   3 Aug  9 12:23. drwx-- 16 root root 190 Nov 23 03:44 .. total 0 drwxr-xr-x 2 root root   3 Aug  9 12:23. drwx-- 16 root root 190 Nov 23 03:44 .. bin etc      home  lib      mnt   root  share  tmp  var dev etc.img  init  libexec  proc  sbin  sys    usr rootfs on / type rootfs (rw) /dev/root on / type squashfs (ro) none on /proc type proc (rw) none on /dev/pts type devpts (rw,mode=600) none on /var type tmpfs (rw,size=64k,mode=777) none on /var/tmp type tmpfs (rw,size=64k,mode=777) none on /etc/config type tmpfs (rw,size=64k,mode=777) none on /sys type sysfs (rw) /dev/mtdblock19 on /var/log type yaffs2 (rw) /dev/mtdblock20 on /mnt/psnv type yaffs2 (rw) /dev/mtdblock21 on /mnt/pstor type yaffs2 (rw) bitsPerSample 65535 != 16Loader:elf Filesys:raw Dev:flash0.vmlinux.1 File: Options:root=/dev/romblock12 rootfstype=squashfs ro BDVD_BOOT_AUTOSTART=y BAPP_OUT=/dev/console panic=8 Loading: 0x80008000/5108544 0x804e7340/306944 Successfully loaded secure elf image.... Entry address is 0x8000c870 Starting program at 0x8000c870
 * 1) ls -al
 * 1) ls -al
 * 1) ls -al
 * 1) ls -al
 * 1) ls -al
 * 1) cd /
 * ls
 * partitions
 * 1) mount
 * kernel boot log section

[   0.000000] -- DDR Bank 0: 128 MB [    0.000000] -- DDR Bank 1: 128 MB [    0.000000] Linux version 2.6.28.9 (root@stbcm-and-02) (gcc version 4.2.0 20070124 (prerelease) - BRCM 11ts-20090508) #760 Tue Aug 9 08:10:53 EDT 2011 [   0.000000] Kernel command line: root=/dev/romblock12 rootfstype=squashfs ro  BDVD_BOOT_AUTOSTART=y BAPP_OUT=/dev/console panic=8 console=0,115200n8 LD_BIND_NOW=on [4294667.347000] DIGSIG: no valid key, digsig security disabled [4294667.370000] checker_0 control 0x00000008 addr low 0x00002000 hi 0x003a9000 [4294667.377000] read rights _0 0xffffffff _1 0xffffffff write rights _0 0x00000000 _1 0x00000000 [4294667.386000] checker_1 control 0x00000008 addr low 0x003aa000 hi 0x0277ff80 [4294667.393000] read rights _0 0xffffffff _1 0xffffffff write rights _0 0x28000000 _1 0x0001c9f1 [4294667.402000] checker_2 control 0x00000008 addr low 0x20000000 hi 0x21cfff80 [4294667.409000] read rights _0 0xffffffff _1 0xffffffff write rights _0 0x28000000 _1 0x0001c9f1 [4294667.418000] checker_3 control 0x00000018 addr low 0x27d00000 hi 0x27dfff80 [4294667.425000] read rights _0 0xffffffff _1 0xffffffff write rights _0 0x00000000 _1 0x00000200 [4294667.453000] Driver 'sd' needs updating - please use bus_type methods [4294667.460000] Driver 'sr' needs updating - please use bus_type methods [4294667.466000] vide_ofe_probe: CHIP REV 0x76150020, REQUIRES 0x763xxxxx/0x764xxxxx [4294667.474000] vide_ofe: unable to add platform device [4294667.542000] Creating 28 MTD partitions on "bcm7xxx-nand": [4294667.548000] 0x00000000-0x00180000 : "ucfe" [4294667.553000] 0x00180000-0x00200000 : "drmregion" [4294667.559000] 0x00200000-0x00280000 : "drmregion.1" [4294667.565000] 0x00280000-0x00300000 : "rawnvr" [4294667.570000] 0x00300000-0x00300090 : "macadr" [4294667.574000] mtd: partition "macadr" doesn't end on an erase block -- force read-only [4294667.583000] 0x00300090-0x00300800 : "nvram" [4294667.587000] mtd: partition "nvram" doesn't start on an erase block boundary -- force read-only [4294667.597000] 0x00300800-0x00400000 : "virtual" [4294667.602000] mtd: partition "virtual" doesn't start on an erase block boundary -- force read-only [4294667.611000] 0x00400000-0x00600000 : "cfe.0" [4294667.616000] 0x00600000-0x00800000 : "cfe.1" [4294667.622000] 0x00800000-0x00880000 : "vault-a" [4294667.627000] 0x00880000-0x06080000 : "rootfs.0" [4294667.633000] 0x06080000-0x06100000 : "vault-b" [4294667.638000] 0x06100000-0x0b900000 : "rootfs.1" [4294667.644000] 0x0b900000-0x0bd00000 : "vmlinux.0" [4294667.650000] 0x0bd00000-0x0bd80000 : "vault-c" [4294667.655000] 0x0bd80000-0x0c180000 : "vmlinux.1" [4294667.661000] 0x0c180000-0x0c200000 : "paniclog" [4294667.666000] 0x0c200000-0x0c280000 : "cfelog" [4294667.671000] 0x0c280000-0x0c880000 : "splash" [4294667.677000] 0x0c880000-0x0cc80000 : "syslog" [4294667.682000] 0x0cc80000-0x0d080000 : "psnv" [4294667.687000] 0x0d080000-0x0f600000 : "pstor" [4294667.693000] 0x0f600000-0x0f900000 : "ofefw.0" [4294667.698000] 0x0f900000-0x0fa00000 : "ofews.0" [4294667.703000] 0x0fa00000-0x0fd00000 : "ofefw.1" [4294667.709000] 0x0fd00000-0x0fe00000 : "ofews.1" [4294667.714000] 0x00300000-0x00400000 : "config" [4294667.720000] 0x00000000-0x0fe00000 : "all" rcS: BDVD_BOOT_AUTOSTART BQ  BAPP<./app_player>  BAPP_OUT  BNET<>  BNET_DLY<0> OFE_SB Mounting pstor, psnv with yaffs2! rcS: Launch PSTOR mount in background

app_ofe_sb: Failed to create device node /tmp/vide_ofe_sb syslogd: cannot create /dev/log: Address already in use Wed Jun 11 00:00:00 UTC 2008 [4294670.210000] bcmdriver: module license 'Proprietary' taints kernel. [4294670.241000] BCMDRV: Initializing bcmdriver version $ bdvd_v3.0/6 $ [4294670.247000] BCMDRV: Using Interrupt Definition for 7631 (uname -a) [4294670.254000] BCMDRV: Total intc words=2,Total Irqs=65 [4294670.259000] BCMDRV: Initialization complete... /etc/init.d/rcS: : command not found Auto startup /etc/init.d/rcS: : command not found /etc/init.d/rcS: : command not found app 74016:00:06.726 -.--- main: Application Started app 74016:00:06.726 +0.000 Time from Startup to Application Start: 12.333 seconds