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S5PV210_iROM_ApplicationNote_Preliminary_20091126
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更新于2023-05-30
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S5PV210_iROM_ApplicationNote_Preliminary_20091126,S5PV210的启动过程文档。大概讲解,不涉及uboot。
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1
Confidential Proprietary of Samsung Electronics Co., Ltd
Copyright © 2008 Samsung Electronics, Inc. All Rights Reserved
Application Note
(Internal ROM Booting)
S5PV210
RISC Microprocessor
NOV 23, 2009
Preliminary REV 0.3
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
S5PV210_IROM_APPLICATION NOTE_REV 0.3
2
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Samsung Confidential
Important Notice
The information in this publication has been carefully
checked and is believed to be entirely accurate at the
time of publication. Samsung assumes no
responsibility, however, for possible errors or
omissions, or for any consequences resulting from the
use of the information contained herein.
Samsung reserves the right to make changes in its
products or product specifications with the intent to
improve function or design at any time and without
notice and is not required to update this
documentation to reflect such changes.
This publication does not convey to a purchaser of
semiconductor devices described herein any license
under the patent rights of Samsung or others.
Samsung makes no warranty, representation, or
guarantee regarding the suitability of its products for
any particular purpose, nor does Samsung assume
any liability arising out of the application or use of any
product or circuit and specifically disclaims any and all
liability, including without limitation any consequential
or incidental damages.
“Typical” parameters can and do vary in different
applications. All operating parameters, including
“Typicals” must be validated for each customer
application by the customer’s technical experts.
Samsung products are not designed, intended, or
authorized for use as components in systems
intended for surgical implant into the body, for other
applications intended to support or sustain life, or for
any other application in which the failure of the
Samsung product could create a situation where
personal injury or death may occur.
Should the Buyer purchase or use a Samsung product
for any such unintended or unauthorized application,
the Buyer shall indemnify and hold Samsung and its
officers, employees, subsidiaries, affiliates, and
distributors harmless against all claims, costs,
damages, expenses, and reasonable attorney fees
arising out of, either directly or indirectly, any claim of
personal injury or death that may be associated with
such unintended or unauthorized use, even if such
claim alleges that Samsung was negligent regarding
the design or manufacture of said product
.
S5PV210 RISC Microprocessor
IROM(Internal ROM) Booting Application Note, Preliminary Revision 0.3
Copyright © 2009-2010 Samsung Electronics Co.,Ltd.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in
any form or by any means, electric or mechanical, by photocopying, recording, or otherwise, without the prior
written consent of Samsung Electronics Co.,Ltd.
Samsung Electronics Co., Ltd.
San #24 Nongseo-Dong, Giheung-Gu
Yongin-City Gyeonggi-Do, Korea
446-711
Home Page:
http://www.samsungsemi.com/
E-Mail:
mobilesol.cs@samsung.com
Printed in the Republic of Korea
S5PV210_IROM_APPLICATION NOTE_REV 0.3
3
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Samsung Confidential
Revision History
Revision No Description of Change Refer to Author(s) Date
0.00 - Initial release for review - s.w baik May 20, 2009
0.10
- Adding boot device option
Changing boot code copy method
k.j kim SEP 26, 2009
0.20
- Revised Figure 1, Figure 2
k.j kim NOV 19, 2009
0.30
- Update boot flow
Adding ERROR Handling
k.j kim NOV 23, 2009
NOTE: Revised parts are written in blue.
S5PV210_IROM_APPLICATION NOTE_REV 0.3
4
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Samsung Confidential
Table of Contents
1 Overview................................................................................................................ 5
1.1 H/W Feature........................................................................................................................................ 5
1.2 Feature................................................................................................................................................ 5
1.3 Advantage of iROM booting................................................................................................................ 6
1.4 Circuit Design Check Point ................................................................................................................. 6
2 Operation ............................................................................................................... 7
2.1 Operating Sequence ........................................................................................................................... 7
2.2 iROM(BL0) boot-up sequence (Refer 2.3 V210 boot-up diagram)..................................................... 8
2.3 V210 boot-up diagram ........................................................................................................................ 9
2.4 iROM 2nd boot-up sequence when 1
st
boot fail.................................................................................. 10
2.4.1 UART boot mode ............................................................................................................................. 11
2.4.2 USB boot mode................................................................................................................................ 12
2.5 Memory Map ....................................................................................................................................... 13
2.6 Global Variable ................................................................................................................................... 14
2.7 Device Copy Function......................................................................................................................... 14
2.8 Boot Block Assignment Guide ............................................................................................................ 19
2.9 Header information data for Boot Code description ........................................................................... 20
2.10 Making checksum example code...................................................................................................... 21
2.11 Clock Configuration........................................................................................................................... 21
3 Boot configuration .................................................................................................. 22
4 Feature of the IROM Boot mode............................................................................ 23
5 ERROR HANDLING .............................................................................................. 24
6 Hardware Guide..................................................................................................... 26
6.1 Power connection reference of eMMC booting .................................................................................. 26
S5PV210_IROM_APPLICATION NOTE_REV 0.3
5
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Samsung Confidential
1 Overview
This chapter explains overall scheme of internal ROM(iROM) boot with memory devices such as Samsung
MoviNAND/iNand, MMC/SD Card ,pure Nand, eMMC, eSSD, UART and USB boot with iROM is supported.
In S5PV210, iROM boot releases retention I/O(resets I/O) when it wakes up for recognizing Boot Device
by OM pin. Refer section1.4.
1.1 H/W Feature
To use IROM boot loader, several hardware features are required.
z S5PV210X microprocessor based on CortexA8
z 64KB Internal ROM (iROM)
z 96KB Internal SRAM
z General SDRAM and Controller
z 4/8 Bit High Speed SD/MMC Controller
4-bit SD / 4-bit MMC / 4 or 8-bit eMMC
z Nand Flash Controller
z OneNand Controller(AUDI)
z eSSD Controller
z UART/USB contorller
1.2 Feature
z OneNand Boot(Mux/Demux)
z Nand Boot (with H/W 8/16-Bit ECC)
z MMC Boot (MMC Specification 4.3 compatible including eMMC)
z eSSD Boot
z UART/USB Boot
z Secure boot mode support
- Verify Integrity of Bootloader for all boot-up devices except for UART/USB boot.
- To support secure boot mode, Security key value should be written in S5PV210.
If no key is written in S5PV210, It is non-secure boot mode.
Otherwise It’s secure boot mode. To do that, Samsung should write security key in manufacture step.
z Second boot support
- When 1
st
boot mode fails, SD/MMC boot will be tried through SD/MMC channel 2 with 4-bit data
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