[PATCH v4 0/2] socfpga: support suspend to ram

Support suspend to ram on socfpga. * allocate space in ocram using sram driver. * Add a function in ocram to place DDR in self-refresh and suspend. * SDRAM ECC is mutually exclusive with using ocram for suspend, so disable SDRAM ECC if socfpga suspend is enabled. * Add a device

[PATCH v4 0/2] socfpga: support suspend to ram

Support suspend to ram on socfpga. * allocate space in ocram using sram driver. * Add a function in ocram to place DDR in self-refresh and suspend. * SDRAM ECC is mutually exclusive with using ocram for suspend, so disable SDRAM ECC if socfpga suspend is enabled. * Add a device