GPMC_IRQENABLE
regval = gpmc_read_reg(GPMC_IRQENABLE);
gpmc_write_reg(GPMC_IRQENABLE, regval);
gpmc_write_reg(GPMC_IRQENABLE, 0);
gpmc_context->irqenable = gpmc_read_reg(GPMC_IRQENABLE);
gpmc_write_reg(GPMC_IRQENABLE, gpmc_context->irqenable);