Neo1973 Hardware/zh cn

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(Inside the Bootloader)
Line 219: Line 219:
  
 
== Distinguishing hardware revisions ==
 
== Distinguishing hardware revisions ==
=== Inside the [[Bootloader]] ===
+
=== [[Bootloader/zh_cn|引导装载程序]] 内部 ===
 
Every hardware revision has its own u-boot image type.  Thus, the bootloader has the revision hard-coded.
 
Every hardware revision has its own u-boot image type.  Thus, the bootloader has the revision hard-coded.
 
The hardware revision is passed on to the kernel via the ATAG mechanism (ATAG_REVISION)
 
The hardware revision is passed on to the kernel via the ATAG mechanism (ATAG_REVISION)

Revision as of 14:04, 8 March 2007

display (top) side
component (back) side

Contents

阶段0硬件的用户体验

Wishlist:Neo1973_P0_Review

物理尺寸

  • 120.7 x 62 x 18.5 毫米 (4.75 x 2.44 x 0.728 英寸)
  • 184 +/- 5 克 (6.5 盎司)

主要元件

处理器

Neo1973的主处理器(CPU)是一个Samsung S3C2410AL-26 (可运行在266 MHz)

闪存

与S3C2410 NAND控制器相连的64MB Samsung NAND闪存(K9F1208U0B)。

This is the only flash memory in the device. The S3C2410 boots directly from nand, using the S3C2410 Steppingstone.

We only use free software, no proprietary flash file systems. For a full description of how it is used, see NAND bad blocks

内存

与S3C2410 SDRAM控制器相连的128MB SDRAM (2片Samsung K4M511633C)

GSM/GPRS

The GSM/GPRS modem is Texas Instruments Calypso based.

CALYPSO digital baseband

Unfortunately we cannot provide many details on the GSM chipset due to very tight NDAs. However, this is not neccessarily required, since it interfaces using a standard UART serial line with the S3C2410. On that interface, GSM 07.05, GSM 07.10 and other standardized protocols are used.

-- xkr47: Could we at least know the GPRS capabilitiy class and the GPRS multislot class ?

TWL3014 analog baseband

Product Homepage: TWL3014

TRF6151 RF Transceiver

Product Homepage: TRF6151

AGPS

Hammerhead AGPS from Global Locate.

This will not have a working driver till at least mid April.

microSD卡

The Neo1973 has one microSD aka Transflash slot. It should support SDHC, but this has not been tested. If this works, cards >2G should work with no problems. As there are no microSD cards over 2G at the moment, it hasn't been tested.

LCD显示模块

This is a 2.8" 480x640 toppoly (tpo) TD028TTEC1 module, using a Toshiba JBT6K74 TFT LCD Driver Chipset.

触摸屏

Stylus

Seemingly identical to this one on ebay

蓝牙

Delta DFBM-CS320 Class2 Module, using CSR BlueCore4

Vibrator

USB Host

The USB Host controller is inside the S3C2410

  • Driver: Stock Linux kernel ohci_hcd

USB Device

The USB Device controller is inside the S3C2410

Audio

See also: Neo1973 Audio Subsystem

Wolfson Codec

There's a WM8753 Wolfson Microelectronics CODEC (This is not a 'smart' codec that can interpret MP3/... it is a simple dumb 'sound card'.

立体声放大器

WM8753模拟音频输出到一个国家半导体立体声放大器 LM4857

Analog wired Headset

There's a four-ring 2.5mm stereo jack which provides connectivity to old-fashioned wired headsets.

The headsets used by Motorola smartphones (A780,A1200, ...) and the V-360 have a compatible configuration.

Bluetooth Headset

This one is wired via PCM bus from the CSR Bluetooth chip to the Wolfson codec.

Power Management

A Philips PCF50606 is used for power management.

电池

The Neo1973 Battery is compatible with a Nokia BL5C battery. According to this post on the mailinglist. Photo of the battery inside the Neo1973.

Buttons

The Neo1973 features two buttons:

  1. A Power Button
  2. A "911" button

历史

GTA01

This is the most simple, non-bluetooth version of the prototype.

GTA01v3

First generation of prototypes that was given to internal OpenMoko software developers.

Unfortunately not useful at all due to non-working touchscreen.

  • ATAG_REVISION: 0x0000130

GTA01v4

Second generation of prototypes that was given to Harald + Mickey.

Unfortunately still not useful due to half-working touchscreen.

  • ATAG_REVISION: 0x00000140

GTA01B

This is the bluetooth-enabled fork of GTA01

GTA01Bv2

This is the first produced version of the bluetooth-enabled version.

  • ATAG_REVISION: 0x00000220

GTA01Bv3

This is the second produced version of the bluetooth-enabled version. It contains mainly GPS-related fixes.

  • ATAG_REVISION: 0x00000230

This is the version that is shipped in Phase 0

GTA01Bv3 Errata
PMU unable to resume from suspend

Due to use of wrong GPIO/EINT pin, the PMU cannot wake-up the phone after suspend. This means, specifically, the following events can not bring the phone back from suspend-to-ram:

  • PMU RTC Alarm
  • Power button press
  • Charger events (charger insertion/removal/error)
  • Low battery
Stand-by time extremely low

This is due to a design bug resulting in at least 30mA additional standby current, since we cannot properly switch off the power supply to the S3C2410 PLL's. There is nothing we can do to change this with post-production fixes. GTA01Bv4 will address this issue.

GSM doesn't resume phone from suspend

The GSM modem currently doesn't signalize a wakeup interrupt to the S3C2410 in case there's some noteworthy event, such as incoming call, loss of network, incoming SMS or the like.

This is a serious issue, but can be fixed with a GSM Modem Firmware update.

GSM Sidetone too loud

The local feedback sidetone (see [1]) is too loud. This will be addressed in a GSM firmware update

Bad block

Due to an error in the production process, the factory-programmed NAND bad block information has been lost. This means that some blocks in the flash will wear out rapidly, which might become as bad as rendering the device unusable.

GTA01Bv4

This is the version that will be shipped in Phase 1

GTA01Bv3之后的变化
  1. Fix all Errata items from GTA01Bv3
  2. Add I2C, SPI and one irq and wakeup capable GPIO pin to debug port plus have test pads for all these signals (for soldering wires directly on the pcb)
  3. Fix a number of production related details and minor hardware details that are not user-visible

Distinguishing hardware revisions

引导装载程序 内部

Every hardware revision has its own u-boot image type. Thus, the bootloader has the revision hard-coded. The hardware revision is passed on to the kernel via the ATAG mechanism (ATAG_REVISION)

Inside the Kernel

The kernel receives the ATAG_REVISION during bootup, and saves its contents in the "system_rev" global variable.

From Userspace

The kernel exports the system_rev variable in /proc/cpuinfo as "Revision :" line.

Personal tools
display (top) side
component (back) side

阶段0硬件的用户体验

Wishlist:Neo1973_P0_Review

物理尺寸

  • 120.7 x 62 x 18.5 毫米 (4.75 x 2.44 x 0.728 英寸)
  • 184 +/- 5 克 (6.5 盎司)

主要元件

处理器

Neo1973的主处理器(CPU)是一个Samsung S3C2410AL-26 (可运行在266 MHz)

闪存

与S3C2410 NAND控制器相连的64MB Samsung NAND闪存(K9F1208U0B)。

This is the only flash memory in the device. The S3C2410 boots directly from nand, using the S3C2410 Steppingstone.

We only use free software, no proprietary flash file systems. For a full description of how it is used, see NAND bad blocks

内存

与S3C2410 SDRAM控制器相连的128MB SDRAM (2片Samsung K4M511633C)

GSM/GPRS

The GSM/GPRS modem is Texas Instruments Calypso based.

CALYPSO digital baseband

Unfortunately we cannot provide many details on the GSM chipset due to very tight NDAs. However, this is not neccessarily required, since it interfaces using a standard UART serial line with the S3C2410. On that interface, GSM 07.05, GSM 07.10 and other standardized protocols are used.

-- xkr47: Could we at least know the GPRS capabilitiy class and the GPRS multislot class ?

TWL3014 analog baseband

Product Homepage: TWL3014

TRF6151 RF Transceiver

Product Homepage: TRF6151

AGPS

Hammerhead AGPS from Global Locate.

This will not have a working driver till at least mid April.

microSD卡

The Neo1973 has one microSD aka Transflash slot. It should support SDHC, but this has not been tested. If this works, cards >2G should work with no problems. As there are no microSD cards over 2G at the moment, it hasn't been tested.

LCD显示模块

This is a 2.8" 480x640 toppoly (tpo) TD028TTEC1 module, using a Toshiba JBT6K74 TFT LCD Driver Chipset.

触摸屏

Stylus

Seemingly identical to this one on ebay

蓝牙

Delta DFBM-CS320 Class2 Module, using CSR BlueCore4

Vibrator

USB Host

The USB Host controller is inside the S3C2410

  • Driver: Stock Linux kernel ohci_hcd

USB Device

The USB Device controller is inside the S3C2410

Audio

See also: Neo1973 Audio Subsystem

Wolfson Codec

There's a WM8753 Wolfson Microelectronics CODEC (This is not a 'smart' codec that can interpret MP3/... it is a simple dumb 'sound card'.

立体声放大器

WM8753模拟音频输出到一个国家半导体立体声放大器 LM4857

Analog wired Headset

There's a four-ring 2.5mm stereo jack which provides connectivity to old-fashioned wired headsets.

The headsets used by Motorola smartphones (A780,A1200, ...) and the V-360 have a compatible configuration.

Bluetooth Headset

This one is wired via PCM bus from the CSR Bluetooth chip to the Wolfson codec.

Power Management

A Philips PCF50606 is used for power management.

电池

The Neo1973 Battery is compatible with a Nokia BL5C battery. According to this post on the mailinglist. Photo of the battery inside the Neo1973.

Buttons

The Neo1973 features two buttons:

  1. A Power Button
  2. A "911" button

历史

GTA01

This is the most simple, non-bluetooth version of the prototype.

GTA01v3

First generation of prototypes that was given to internal OpenMoko software developers.

Unfortunately not useful at all due to non-working touchscreen.

  • ATAG_REVISION: 0x0000130

GTA01v4

Second generation of prototypes that was given to Harald + Mickey.

Unfortunately still not useful due to half-working touchscreen.

  • ATAG_REVISION: 0x00000140

GTA01B

This is the bluetooth-enabled fork of GTA01

GTA01Bv2

This is the first produced version of the bluetooth-enabled version.

  • ATAG_REVISION: 0x00000220

GTA01Bv3

This is the second produced version of the bluetooth-enabled version. It contains mainly GPS-related fixes.

  • ATAG_REVISION: 0x00000230

This is the version that is shipped in Phase 0

GTA01Bv3 Errata
PMU unable to resume from suspend

Due to use of wrong GPIO/EINT pin, the PMU cannot wake-up the phone after suspend. This means, specifically, the following events can not bring the phone back from suspend-to-ram:

  • PMU RTC Alarm
  • Power button press
  • Charger events (charger insertion/removal/error)
  • Low battery
Stand-by time extremely low

This is due to a design bug resulting in at least 30mA additional standby current, since we cannot properly switch off the power supply to the S3C2410 PLL's. There is nothing we can do to change this with post-production fixes. GTA01Bv4 will address this issue.

GSM doesn't resume phone from suspend

The GSM modem currently doesn't signalize a wakeup interrupt to the S3C2410 in case there's some noteworthy event, such as incoming call, loss of network, incoming SMS or the like.

This is a serious issue, but can be fixed with a GSM Modem Firmware update.

GSM Sidetone too loud

The local feedback sidetone (see [1]) is too loud. This will be addressed in a GSM firmware update

Bad block

Due to an error in the production process, the factory-programmed NAND bad block information has been lost. This means that some blocks in the flash will wear out rapidly, which might become as bad as rendering the device unusable.

GTA01Bv4

This is the version that will be shipped in Phase 1

GTA01Bv3之后的变化
  1. Fix all Errata items from GTA01Bv3
  2. Add I2C, SPI and one irq and wakeup capable GPIO pin to debug port plus have test pads for all these signals (for soldering wires directly on the pcb)
  3. Fix a number of production related details and minor hardware details that are not user-visible

Distinguishing hardware revisions

Inside the Bootloader

Every hardware revision has its own u-boot image type. Thus, the bootloader has the revision hard-coded. The hardware revision is passed on to the kernel via the ATAG mechanism (ATAG_REVISION)

Inside the Kernel

The kernel receives the ATAG_REVISION during bootup, and saves its contents in the "system_rev" global variable.

From Userspace

The kernel exports the system_rev variable in /proc/cpuinfo as "Revision :" line.