From mboxrd@z Thu Jan 1 00:00:00 1970 From: dvo Date: Thu, 20 Feb 2020 03:10:26 -0700 (MST) Subject: spi_flash_read issue Message-ID: <1582193426408-0.post@n7.nabble.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello, I encounter an issue with spi_flash_read function. I'd copy uboot from SPI Flash to DDRAM. If I use the function once. It works OK. If I use the function is more than 1 time, then it doesn't work properly. Here is the procedure of what I did: uboot version: U-Boot 2019.07-00013-g6107815c9c uboot size: 244288 Bytes case 1: - Copy uboot to 0x81000000 -> Jump to uboot at 0x81000000 OK case 2: - Copy uboot to 0x81000000 - Copy uboot to 0x83000000 -> Jump to uboot at 0x83000000 NOK. Only able to load some parts of uboot and then hang. I hexdump and do memory comparison between 0x81000000 and 0x83000000. The memory is different from i=78078. Do I need to do something in between 2 copies to solve the issue? Has anyone experienced this issue? Thanks for any help or suggestion. Dan -- Sent from: http://u-boot.10912.n7.nabble.com/