GTI9100Bootloader¶

03:06 <@GNUtoo> power the phone off
03:06 <@GNUtoo> put a battery in
03:06 <@GNUtoo> press the select button
03:06 <@GNUtoo> plug the UART
03:07 <@GNUtoo> you've then got the logs

Thanks for using picocom
[gnutoo@primarylaptop ~]$ picocom -b 115200 /dev/ttyUSB0 
picocom v3.1

port is        : /dev/ttyUSB0
flowcontrol    : none
baudrate is    : 115200
parity is      : none
databits are   : 8
stopbits are   : 1
escape is      : C-a
local echo is  : no
noinit is      : no
noreset is     : no
hangup is      : no
nolock is      : no
send_cmd is    : sz -vv
receive_cmd is : rz -vv -E
imap is        : 
omap is        : 
emap is        : crcrlf,delbs,
logfile is     : none
initstring     : none
exit_after is  : not set
exit is        : no

Type [C-a] [C-h] to see available commands
Terminal ready

Welcome to Samsung Primitive Bootloader.
build time: May  8 2012 19:31:07
current time: fe/1f/7 3f:77:31

[set_mmc_ocr] Sector Mode
[hsmmc_init] MMC card is detected
Product Name : VYL00M
<display_card_info:1009> ext_csd
<display_card_info:1011>card_size: 15028
 Total Card Size: 15029 MByte

mmc_init: card initialization completed!
pbl found bootable sbl in #53248.
jump to sbl 0x4d400000.

Secondary Bootloader v3.1 version.
Copyright (C) 2011 System S/W Group. Samsung Electronics Co., Ltd.
Board: C1 REV 02 / May  8 2012 19:31:13
current time: fe/1f/7 3f:77:31

booting code=0xc0c0c0c0
[set_mmc_ocr] Sector Mode
[hsmmc_init] MMC card is detected
Product Name : VYL00M
CID:150100 56594c30 304d19da b33abb8e
<display_card_info:1046> ext_csd
<display_card_info:1048>card_size: 15028
 Total Card Size: 15029 MByte

 Total Sector Count: 30777344

MoviNand Initialization Complete!
===== PARTITION INFORMATION =====
 ID         : GANG (0x0)
 DEVICE     : MMC
 FIRST UNIT : 0
 NO. UNITS  : 0
=================================
 ID         : BOOT (0x1)
 DEVICE     : MMC
 FIRST UNIT : 0
 NO. UNITS  : 0
=================================
 ID         : EFS (0x4)
 DEVICE     : MMC
 FIRST UNIT : 8192
 NO. UNITS  : 40960
=================================
 ID         : SBL1 (0x2)
 DEVICE     : MMC
 FIRST UNIT : 49152
 NO. UNITS  : 2560
=================================
 ID         : SBL2 (0x3)
 DEVICE     : MMC
 FIRST UNIT : 53248
 NO. UNITS  : 2560
=================================
 ID         : PARAM (0x5)
 DEVICE     : MMC
 FIRST UNIT : 57344
 NO. UNITS  : 16384
=================================
 ID         : KERNEL (0x6)
 DEVICE     : MMC
 FIRST UNIT : 73728
 NO. UNITS  : 16384
=================================
 ID         : RECOVERY (0x7)
 DEVICE     : MMC
 FIRST UNIT : 90112
 NO. UNITS  : 16384
=================================
 ID         : CACHE (0x8)
 DEVICE     : MMC
 FIRST UNIT : 106496
 NO. UNITS  : 204800
=================================
 ID         : MODEM (0x9)
 DEVICE     : MMC
 FIRST UNIT : 311296
 NO. UNITS  : 32768
=================================
 ID         : FACTORYFS (0xa)
 DEVICE     : MMC
 FIRST UNIT : 344064
 NO. UNITS  : 1048576
=================================
 ID         : DATAFS (0xb)
 DEVICE     : MMC
 FIRST UNIT : 1392640
 NO. UNITS  : 4194304
=================================
 ID         : UMS (0xc)
 DEVICE     : MMC
 FIRST UNIT : 5586944
 NO. UNITS  : 24133632
=================================
 ID         : HIDDEN (0xd)
 DEVICE     : MMC
 FIRST UNIT : 29720576
 NO. UNITS  : 1048576
=================================
loke_init: j4fs_open..success
<start_checksum:1033>CHECKSUM_HEADER_SECTOR :42
<start_checksum:1035>offset:42, size:1024
Not Need Movinand Checksum
load_lfs_parameters valid magic code and version.
switch_sel_str='1'
load_debug_level: read debug level successfully(0x574f4c44)...LOW
init_ddi_data: usable ddi data.
init_fuel_gauge : not por status
fuel_gauge_get_version: [1]=0, [0]=92
init_fuel_gauge: vcell = 3846 mV, vfocv = 3877 mV, soc = 62 
microusb_get_attached_device: STATUS1:0x3c, 2:0x0
microusb_get_attached_device: STATUS1:0x3c, 2:0x0
6280 = (382600 - 337808)*14022/100000
[3] 388175 = (6280 * 100000) / 11164 + 331923
init_microusb_ic: MUIC: CONTROL1:0x1b
init_microusb_ic: MUIC: CONTROL1:0x1b
init_microusb_ic: MUIC: CONTROL2:0x1a
init_microusb_ic: MUIC: CONTROL2:0x3a
reading nps status file is successfully!.
nps status=0x504d4f43
PMIC_IRQSRC  = 0x0 
PMIC_IRQ1    = 0xb 
PMIC_IRQ2    = 0x1a 
PMIC_IRQ3    = 0x0 
PMIC_IRQ4    = 0x11 
PMIC_STATUS1 = 0x1 
PMIC_STATUS2 = 0x10 
PMIC_STATUS3 = 0x0 
PMIC_STATUS4 = 0x0 
bootloader base address=0x4d400000
LPDDR0 1st. cached=0x40000000, size=0xe400000
LPDDR0 non-cached=0x4e400000, size=0xa00000
LPDDR0 2nd. cached=0x4ee00000, size=0x1200000
RST_STAT = 0x10000
get_hwrev() = 14
board_process_platform: MAGIC c0c0c0c0 at 40000000!
microusb_get_attached_device: STATUS1:0x3c, 2:0x0
microusb_get_attached_device: STATUS1:0x3c, 2:0x0
microusb_get_attached_device: STATUS1:0x3c, 2:0x0
microusb_get_attached_device: STATUS1:0x3c, 2:0x0
hw_pm_status: jig_status = 1, chg_status = 0
s5p_set_high_clk: ARM Clock = 800MHz.
......kernel is non signed binary.
DISPLAY_PATH_SEL[MDNIE 0x1]is on
div:2, FB_SOURCE_CLOCK:667000000, FB_PIXEL_CLOCK:25067520
MDNIE setting Init start!!
vsync interrupt is off
video interrupt is off
[fb0] turn on
MDNIE setting Init end!!

Autoboot (0 seconds) in progress, press any key to stop 
boot_kernel: debug level low!
checkbit: find RECOVERY
checkbit (0)
......kernel is non signed binary.
ATAG_CORE: 5 54410001 0 0 0
MEMCONFIG: 20e01323 20e01323
ATAG_MEM: 4 54410002 10000000 40000000
ATAG_MEM: 4 54410002 10000000 50000000
ATAG_MEM: 4 54410002 10000000 60000000
ATAG_MEM: 4 54410002 10000000 70000000
ATAG_SERIAL: 4 54410006 b33abb8e 304d19da
ATAG_REVISION: 3 54410007 e
hardware_ID : 0019dab33abb8e
ATAG_CMDLINE: 40 54410009 'loglevel=4 console=ram androidboot.serialno=[...] sec_debug.enable=0 sec_debug.enable_user=0 c1_watchdog.sec_pet=5 sec_log=0x100000@0x4d900000 s3cfb.bootloaderfb=0x5ec00000 ld9040.get_lcdtype=0x2 consoleblank=0 lpj=3981312 vmalloc=144m'
ATAG_NONE: 0 0

Starting kernel at 0x40008000...

AST_POWERON

TODO: https://forum.xda-developers.com/showpost.php?p=10823240&postcount=58