Wi$e » 30 авг 2007, 15:31
Overview :
1. D07030207> Fixed the routine distinguish between Smart Media board and MMC board using HW CPLD version.
2. Fixed to initialize MMC card because of booting fail after reset button is pressed.
Contents :
1. Fixed the routine distinguish between Smart Media board and MMC board using HW CPLD version.
- Boot/Startup program check CPLD bit for distinguishing between Smart Media board and MMC board. But the routine has check error. So we fixed it correctly.
From CPLD V03 of OS7200 MCP board, it must be used Boot V1.07 and Startup V1.08.
(Current SmartMedia MCP Board use CPLD01,02 and MMC MCP Board use CPLD00. And MMC MCP Board will use CPLD03 in the future)
2. If reset button was pressed during booting in MMC card, system occasionally doesn't boot normally.
- If reset button was pressed when the data transmission wasn't finished, initializing MMC card
isn't working normally.
So we added routine to stop previous data transmission before initializing MMC card.