Replicant

h1. GTI9100Bootloader

h2. Boot log

<pre>

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

</pre>

h2. Available commands

<pre>

SBL> help

Following commands are supported:

* movichk

* setenv

* saveenv

* printenv

* help

* reset

* boot

* kernel

* loadpart

* loadkernel

* erasepart

* format

* open

* close

* eraseall

* showpart

* addpart

* delpart

* savepart

* nkernel

* nandread

* nandwrite

* usb

* crc

* log

* sud

* upload

* emmc

* keyread

* mmctest

* usb_read

* usb_write

* fuelgauge

To get commands help, Type "help <command>"

</pre>

And their respective help:

<pre>

SBL> help movichk

* Help : movichk

* Usage : 

SBL> help setenv

* Help : setenv

* Usage : setenv [name] [value] . .

	Modify current environment info on ram

SBL> help saveenv

* Help : saveenv

* Usage : saveenv

	Save cuurent environment info to flash

SBL> help printenv

* Help : printenv

* Usage : printenv

	Print current environment info on ram

SBL> help help

* Help : help

* Usage : help [command]

SBL> help reset

* Help : reset

* Usage : reboot

Reboot system

SBL> help boot

* Help : boot

* Usage : boot [kernel options]

Boot Linux with optional kernel options

SBL> help kernel

* Help : kernel

* Usage : kernel hex_adr

Change the Linux kernel base

SBL> help loadpart

* Help : loadpart

* Usage : load partition from storage device.

SBL> help loadkernel

* Help : loadkernel

* Usage : load kernel from storage device.

SBL> help erasepart

* Help : erasepart

* Usage : erase partition.

SBL> help format

* Help : format

* Usage : format

	format device

SBL> help open

* Help : open

* Usage : open

	open device

SBL> help close

* Help : close

* Usage : close

	close device

SBL> help eraseall

* Help : eraseall

* Usage : eraseall

	erase all units

SBL> help showpart

* Help : showpart

* Usage : showpart

	show partition information

SBL> help addpart

* Help : addpart

* Usage : addpart <id> <attr> <unit>

	add partition information

       - ex) addpart 0x(id) 0x1(attr) 0x10(units)

SBL> help delpart

* Help : delpart

* Usage : delpart

	delete last partition information

SBL> help savepart

* Help : savepart

* Usage : savepart

	save partition information

SBL> help nkernel

* Help : nkernel

* Usage : nkernel command

* Usage : nkernel

	read kernel from flash to DDR

SBL> help nandread

* Help : nandread

* Usage : * Usage : nandread <PARTID> <SIZE>

	read partition from flash to SDRAM(0x80000000)

SBL> help nandwrite

* Help : nandwrite

* Usage : * Usage: nandwrite <PARTID> <SIZE>

	write partition from SDRAM(0x80000000) to flash

SBL> help usb

* Help : usb

* Usage : usb download command

SBL> help crc

* Help : crc

* Usage : crc <crc> <addr> <len>

SBL> help log

* Help : log

* Usage : print log

SBL> help sud

* Help : sud

* Usage : sud command

SBL> help upload

* Help : upload

* Usage : upload

SBL> help emmc

* Help : emmc

* Usage : emmc <addr>

SBL> help keyread

* Help : keyread

* Usage : *Usage : keyread 

SBL> help mmctest

* Help : mmctest

* Usage : mmctest <addr> <start block> <number of blocks>

SBL> help usb_read

* Help : usb_read

* Usage : usb_read reg

Read the usb ic register

SBL> help usb_write

* Help : usb_write

* Usage : usb_write reg, val

Read the usb ic register

SBL> help fuelgauge

* Help : fuelgauge

* Usage : *usage : fuelgauge

SBL> 

</pre>

h2. Printenv

<pre>

SBL> printenv   

PARAM Rev 1.3

SERIAL_SPEED : 7

LOAD_RAMDISK : 0

BOOT_DELAY : 0

LCD_LEVEL : 97

SWITCH_SEL : 1

PHONE_DEBUG_ON : 0

LCD_DIM_LEVEL : 0

LCD_DIM_TIME : 6

MELODY_MODE : 1

REBOOT_MODE : 0

NATION_SEL : 0

LANGUAGE_SEL : 0

SET_DEFAULT_PARAM : 0

FLASH_LOCK_STATUS : 1

PARAM_INT_14 : 0

VERSION : I9000XXIL

CMDLINE : loglevel=4 console=ram

DELTA_LOCATION : /mnt/rsv

PARAM_STR_3 : 

PARAM_STR_4 : 

</pre>

h2. See also

* https://wiki.mozilla.org/DHylands_SGS2_Console : An article about how to enable the UART in Linux through the I9100 bootloader

h2. TODO

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