diff options
Diffstat (limited to 'tools/binman/README.entries')
| -rw-r--r-- | tools/binman/README.entries | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/tools/binman/README.entries b/tools/binman/README.entries index 55e3fa0dcc..d17b3cb078 100644 --- a/tools/binman/README.entries +++ b/tools/binman/README.entries @@ -989,14 +989,15 @@ Entry: x86-start16: x86 16-bit start-up code for U-Boot ------------------------------------------------------- Properties / Entry arguments: - - filename: Filename of u-boot-x86-16bit.bin (default - 'u-boot-x86-16bit.bin') + - filename: Filename of u-boot-x86-start16.bin (default + 'u-boot-x86-start16.bin') x86 CPUs start up in 16-bit mode, even if they are 32-bit CPUs. This code -must be placed at a particular address. This entry holds that code. It is -typically placed at offset CONFIG_SYS_X86_START16. The code is responsible -for changing to 32-bit mode and jumping to U-Boot's entry point, which -requires 32-bit mode (for 32-bit U-Boot). +must be placed in the top 64KB of the ROM. The reset code jumps to it. This +entry holds that code. It is typically placed at offset +CONFIG_SYS_X86_START16. The code is responsible for changing to 32-bit mode +and jumping to U-Boot's entry point, which requires 32-bit mode (for 32-bit +U-Boot). For 64-bit U-Boot, the 'x86_start16_spl' entry type is used instead. @@ -1006,16 +1007,17 @@ Entry: x86-start16-spl: x86 16-bit start-up code for SPL -------------------------------------------------------- Properties / Entry arguments: - - filename: Filename of spl/u-boot-x86-16bit-spl.bin (default - 'spl/u-boot-x86-16bit-spl.bin') + - filename: Filename of spl/u-boot-x86-start16-spl.bin (default + 'spl/u-boot-x86-start16-spl.bin') -x86 CPUs start up in 16-bit mode, even if they are 64-bit CPUs. This code -must be placed at a particular address. This entry holds that code. It is -typically placed at offset CONFIG_SYS_X86_START16. The code is responsible -for changing to 32-bit mode and starting SPL, which in turn changes to -64-bit mode and jumps to U-Boot (for 64-bit U-Boot). +x86 CPUs start up in 16-bit mode, even if they are 32-bit CPUs. This code +must be placed in the top 64KB of the ROM. The reset code jumps to it. This +entry holds that code. It is typically placed at offset +CONFIG_SYS_X86_START16. The code is responsible for changing to 32-bit mode +and jumping to U-Boot's entry point, which requires 32-bit mode (for 32-bit +U-Boot). -For 32-bit U-Boot, the 'x86_start16' entry type is used instead. +For 32-bit U-Boot, the 'x86-start16' entry type is used instead. @@ -1023,15 +1025,17 @@ Entry: x86-start16-tpl: x86 16-bit start-up code for TPL -------------------------------------------------------- Properties / Entry arguments: - - filename: Filename of tpl/u-boot-x86-16bit-tpl.bin (default - 'tpl/u-boot-x86-16bit-tpl.bin') + - filename: Filename of tpl/u-boot-x86-start16-tpl.bin (default + 'tpl/u-boot-x86-start16-tpl.bin') -x86 CPUs start up in 16-bit mode, even if they are 64-bit CPUs. This code -must be placed at a particular address. This entry holds that code. It is -typically placed at offset CONFIG_SYS_X86_START16. The code is responsible -for changing to 32-bit mode and starting TPL, which in turn jumps to SPL. +x86 CPUs start up in 16-bit mode, even if they are 32-bit CPUs. This code +must be placed in the top 64KB of the ROM. The reset code jumps to it. This +entry holds that code. It is typically placed at offset +CONFIG_SYS_X86_START16. The code is responsible for changing to 32-bit mode +and jumping to U-Boot's entry point, which requires 32-bit mode (for 32-bit +U-Boot). -If TPL is not being used, the 'x86_start16_spl or 'x86_start16' entry types +If TPL is not being used, the 'x86-start16-spl or 'x86-start16' entry types may be used instead. |