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1 | README on Implementing Linux for the Logic PD LPD7A400-10 | ||
2 | ========================================================= | ||
3 | |||
4 | - CPLD memory mapping | ||
5 | |||
6 | The board designers chose to use high address lines for controlling | ||
7 | access to the CPLD registers. It turns out to be a big waste | ||
8 | because we're using an MMU and must map IO space into virtual | ||
9 | memory. The result is that we have to make a mapping for every | ||
10 | register. | ||
11 | |||
12 | - Serial Console | ||
13 | |||
14 | It may be OK not to use the serial console option if the user passes | ||
15 | the console device name to the kernel. This deserves some exploration. | ||