85xx: bugfix for reading maximum TLB size on mpc85xx
The MAXSIZE field in the TLB1CFG register is 4 bits, not 8 bits. This made setup_ddr_tlbs() try to set up a TLB larger than the e500 maximum (256 MB) which made u-boot hang in board_init_f() when trying to create a new stack in RAM. I have an mpc8540 with one 1GB dimm. Signed-off-by: NFredrik Arnerup <fredrik.arnerup@edgeware.tv> Signed-off-by: NAndy Fleming <afleming@freescale.com> Acked-by: NKumar Gala <galak@kernel.crashing.org>
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