arm-boot/u-boot-imx.git - U-boot NXP imx6

	Commit message (Collapse)	Author	Age	Lines
*	arm: lib: memcpy: Do not copy to same address	Matthias Weisser	2011-09-03	-0/+3
\| \| \| \| \| \| \| \|	In some cases (e.g. bootm with a elf payload which is already at the right position) there is a in place copy of data to the same address. Catching this saves some ms while booting. Signed-off-by: Matthias Weisser <weisserm@arcor.de>
*	Minor coding style cleanup.	Wolfgang Denk	2011-05-19	-1/+0
\| \| \| \|	Signed-off-by: Wolfgang Denk <wd@denx.de>
*	arm: Use optimized memcpy and memset from linux	Matthias Weisser	2011-04-27	-0/+241
	Using optimized versions of memset and memcpy from linux brings a quite noticeable speed (x2 or better) improvement for these two functions. Here are some numbers for test done with jadecpu \| HEAD(1)\| HEAD(1)\| HEAD(2)\| HEAD(2)\| \| \| +patch \| \| +patch \| ---------------------------+--------+--------+--------+--------+ Reset to prompt \| 438ms \| 330ms \| 228ms \| 120ms \| \| \| \| \| \| TFTP a 3MB img \| 4782ms \| 3428ms \| 3245ms \| 2820ms \| \| \| \| \| \| FATLOAD USB a 3MB img* \| 8515ms \| 8510ms \| ------ \| ------ \| \| \| \| \| \| BOOTM LZO img in RAM \| 3473ms \| 3168ms \| 592ms \| 592ms \| where CRC is \| 615ms \| 615ms \| 54ms \| 54ms \| uncompress \| 2460ms \| 2462ms \| 450ms \| 451ms \| final boot_elf \| 376ms \| 68ms \| 65ms \| 65ms \| \| \| \| \| \| BOOTM LZO img in FLASH \| 3207ms \| 2902ms \| 1050ms \| 1050ms \| where CRC is \| 600ms \| 600ms \| 135ms \| 135ms \| uncompress \| 2209ms \| 2211ms \| 828ms \| 828ms \| \| \| \| \| \| Copy 1.4MB from NOR to RAM \| 134ms \| 72ms \| 120ms \| 70ms \| (1) No dcache (2) dcache enabled in board_init *Does not work when dcache is on Size impact: C version: text data bss dec hex filename 202862 18912 266456 488230 77326 u-boot ASM version: text data bss dec hex filename 203798 18912 266288 488998 77626 u-boot 222712 u-boot.bin Signed-off-by: Matthias Weisser <weisserm@arcor.de>