SPRABA5D January 2014 – January 2019 AM1802 , AM1802 , AM1806 , AM1806 , AM1808 , AM1808 , AM1810 , AM1810
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Using the AM18xx Bootloader
- Trademarks
- 1 Introduction
- 2 Boot Modes
- 3 Non-AIS Boot Modes
- 4
Application Image Script (AIS) Boot
- 4.1 Section Load Command (0x58535901)
- 4.2 Section Fill Command (0x5853590A)
- 4.3 Enable CRC Command (0x58535903)
- 4.4 Disable CRC Command (0x58535904)
- 4.5 Validate CRC Command (0x58535902)
- 4.6 Jump & Close Command (0x58535906)
- 4.7 Jump Command (0x58535905)
- 4.8 Sequential Read Enable Command (0x58535963)
- 4.9 Function Execute Command (0x5853590D)
- 4.10 Boot Table Command (0x58535907)
- 5
AISgen: Tool to Generate Boot Script (AIS Image)
- 5.1 Installation
- 5.2 Getting Started
- 5.3
Generating AIS
- 5.3.1 Boot Mode and Boot Peripheral Setup
- 5.3.2 Phase-Locked Loop (PLL) Setup
- 5.3.3 Synchronous Dynamic Random Access Memory (SDRAM) Setup
- 5.3.4 DDR Setup
- 5.3.5 PSC Setup
- 5.3.6 Pin Multiplexing Setup
- 5.3.7 Application File Selection
- 5.3.8 AIS File Selection
- 5.3.9 Status and Messages
- 5.3.10 Additional AIS Options
- 5.3.11 Command Line Usage
- 6 Master Boot – Booting From a Slave Memory Device
- 7 Slave Boot – Booting From an External Master Host
- 8 UART Boot Host - Using Your PC as a UART Boot Master
- 9 Boot Requirements, Constraints and Default Settings
- 10 References
- A Boot Mode Selection Table
- B Details of Supported NAND Devices
- C CRC Computation Algorithm
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D Details of Pre-Defined ROM Functions
- D.1 PLL0 Configuration (Index = 0, Argument Count = 2)
- D.2 PLL1 Configuration (Index = 1, Argument Count = 2)
- D.3 Clock Configuration (Index = 2, Argument Count = 1)
- D.4 mDDR/DDR2 Controller Configuration (Index = 3, Argument Count = 8)
- D.5 EMIFA SDRAM Configuration (Index = 4, Argument Count = 5)
- D.6 EMIFA Async Configuration (Index = 5, Argument Count = 5)
- D.7 PLL and Clock Configuration (Index = 6, Argument Count = 3)
- D.8 Power and Sleep Configuration (PSC) (Index = 7, Argument Count = 1)
- D.9 Pinmux Configuration (Index = 8, Argument Count = 3)
- E ROM Revision History
- Revision History
5.3.7 Application File Selection
The bootloader requires a valid application in order to boot the ARM. The full path to an application file must be specified in the ARM Application text field.
NOTE
As of version 1.3, AISgen recognizes both COFF and ELF input files as application files. Files in any other format will be treated as binary files.
Non-application files may also be used. AISgen automatically parses input files to determine whether they are valid application files. Files that don’t match the expected format are treated as binary files. Binary files require a target address, which is specified as “@<32-bit hex address>” immediately following the file name. Note that SDRAM or DDR addresses will only load successfully if the appropriate configuration is applied; the AISgen utility will not automatically configure external memory access. For more information, see Section 5.3.3 and Section 5.3.4.
The AISgen utility allows multiple application and/or binary files to be combined into a single AIS file. Each file name must be separated by a semicolon (;). If an entrypoint is specified in the General tab, that entrypoint always takes precedence. Otherwise, the entrypoint of the first application file is used. If no application file is specified (all files are binary files), an entrypoint must be specified. For more information specifying an application entrypoint, see Section 5.3.10.2.
Files can be entered directly into the ARM Application File text box or selected graphically using the browse button (…). To add another application or binary file without deleting the current contents of the text box, use the add button (+).