diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 25 |
1 files changed, 14 insertions, 11 deletions
@@ -128,7 +128,7 @@ Examples: Directory Hierarchy: ==================== -/arch Architecture specific files +/arch Architecture-specific files /arc Files generic to ARC architecture /arm Files generic to ARM architecture /m68k Files generic to m68k architecture @@ -142,16 +142,16 @@ Directory Hierarchy: /sh Files generic to SH architecture /x86 Files generic to x86 architecture /xtensa Files generic to Xtensa architecture -/api Machine/arch independent API for external apps -/board Board dependent files +/api Machine/arch-independent API for external apps +/board Board-dependent files /cmd U-Boot commands functions -/common Misc architecture independent functions +/common Misc architecture-independent functions /configs Board default configuration files /disk Code for disk drive partition handling -/doc Documentation (don't expect too much) -/drivers Commonly used device drivers -/dts Contains Makefile for building internal U-Boot fdt. -/env Environment files +/doc Documentation (a mix of ReST and READMEs) +/drivers Device drivers +/dts Makefile for building internal U-Boot fdt. +/env Environment support /examples Example code for standalone applications, etc. /fs Filesystem code (cramfs, ext2, jffs2, etc.) /include Header Files @@ -161,7 +161,7 @@ Directory Hierarchy: /post Power On Self Test /scripts Various build scripts and Makefiles /test Various unit test files -/tools Tools to build S-Record or U-Boot images, etc. +/tools Tools to build and sign FIT images, etc. Software Configuration: ======================= @@ -1461,9 +1461,12 @@ The following options need to be configured: In such cases CONFIG_GPIO_LED_INVERTED_TABLE may be defined with a list of GPIO LEDs that have inverted polarity. -- I2C Support: CONFIG_SYS_I2C +- I2C Support: CONFIG_SYS_I2C_LEGACY - This enable the NEW i2c subsystem, and will allow you to use + Note: This is deprecated in favour of driver model. Use + CONFIG_DM_I2C instead. + + This enable the legacy i2c subsystem, and will allow you to use i2c commands at the u-boot command line (as long as you set CONFIG_SYS_I2C_SOFT_SPEED and CONFIG_SYS_I2C_SOFT_SLAVE for defining speed and slave address |