Add support for a generic windows-based EABI toolchain; Add NX configuration to force default NXTK border colors
Fix error in AT91SAM SPI driver introduced in recent comment.  Varioius improvements to README files and debug output
SAM3/4:  Some minor design improvements to the SAM3/4 serial driver
SAM3/4:  Loop counter for PLL delay must be volatile or it may get optimized away
SAM3/4S GPIO interrupt changes
Fixes for SAM4S and 4L due to recent changes to SAM3S; Updated README files
Prep for 6.28 release
Add support for the SAM4L Xplained Pro I/O1 module
Oops.. files that I forgot to add in the last commit
SAM MMCSD/SPI related changes
Re-architected SAM3/4 SPI interface; Change BUSY bit handling in the ADS7843E driver
SAM3U-EK: Correct polarity of the PENIRQ signal