Motif Xs Boot Sequence - Yamaha Motif XS Series Service Manual

MOTIF XS BOOT SEQUENCE

NOR flash DDR SDRAM Power on
Bootloader
Linux
CPU pin/chip configuration setup
External bus setup
DDR SDRAM setup
SIO setup
Minimum PCI setup
GPIO setup
SRAM setup
Minimum LCD setup/display Yamaha logo
Minimum DDR SDRAM read/write check (∗1)
Decompress Linux kernel on NOR flash to
DDR SDRAM
Jump into Linux kernel on DDR SDRAM
Initial setup
Activate fullset LCD driver
PCI setup (for ethernet/USB host)
Initialize ethernet interface/set MAC address (*2)
Activate SWP51 access driver/EBUS driver
Check for special keys (*3)
No special keys
Normal mode Test mode
Mount root filesystem on NOR flash
Activate USB hotplug detection/Automount (background)
Activate I2C driver
Activate SWP51 TG driver
Activate GPIO driver
Activate mLAN driver
Activate I2C driver
Start miscellaneous services/UI
Power On Factory Set/Autoload/Power On Mode
Activate network (background)
(∗1) The result of minimum DDR SDRAM read/write check is passed to
Linux by using SRAM. It will be shown in the normal test mode.
(∗2) The MAC address is stored on the NOR flash.
(∗3) Please note that the special keys are scanned after the activation of
the EBUS driver, not before that. We recommend you to keep pressing
the special keys until the preferred startup screen appears.
"REMOTE" +
[REC] or [STOP] or [PLAY] (∗4)
Start test program
(∗4) There are three test modes:
"REMOTE" + [REC] (Normal test mode):
Tests for LCD, controllers, MIDI, USB, mLAN, ethernet, audio,
ROM/RAM and so on.
"REMOTE" + [STOP] (MAC mode):
Used to (re)write the MAC address to the NOR flash. You have to
connect the "USB to Host" port of MOTIF XS to the USB port of
Windows PC with the tool called "MACBAR" installed before entering
this mode.
"REMOTE" + [PLAY] (System dump mode):
Dump the system data as binary image named "MOTIFXS_.BIN" on
the USB storage. It can be used to diagnose the problem if it is due to
the extraordinary data written on the user area of the NOR flash.
MOTIF XS6/MOTIF XS7/MOTIF XS8
"UTILITY" + [UP]
Update mode
USB storage setup
Start firmware update program
on USB storage
175