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Commit d3daba10 authored by Lokesh Vutla's avatar Lokesh Vutla Committed by Tom Rini
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ARM: AM43xx: EPOS_EVM: Add support for LPDDR2


AM4372 EPOS EVM has 1GB LPDDR2(Part no: MT42L256M32D2LG-25 WT:A)
Adding LPDDR2 init sequence and register details for the same.
Below is the brief description of LPDDR2 init sequence:
-> Configure VTP
-> Configure DDR IO settings
-> Disable initialization and refreshes until EMIF registers are programmed.
-> Program Timing registers
-> Program PHY control and Temp alert and ZQ config registers.
-> Enable initialization and refreshes and configure SDRAM CONFIG register
-> Wait till initialization is complete and the configure MR registers.

Signed-off-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
parent 965de8b9
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