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removed FEATURE_WRSR_EXT2 from the model after datasheet review. replace printlock = SPI_PRETTYPRINT_STATUS_REGISTER_BP3_SRWD, .unlock = SPI_DISABLE_BLOCKPROTECT, with .printlock = SPI_PRETTYPRINT_STATUS_REGISTER_BP4_SRWD, .unlock = SPI_DISABLE_BLOCKPROTECT_BP4_SRWD, GD25B256E: 3V 256Mbit, Quad enabled. GD25R256E: GD25B256E features + RPMC, so they share the same datasheet on flash side https://www.gigadevice.com.cn/Public/Uploads/uploadfile/files/20230627/DS-00658-GD25B256E-Rev1.1.pdf Tested both models on ch347 with erase, write, read and protection. Change-Id: Ie733e0c2e35fa4797f5198f2c8334469b65f402c Signed-off-by: Victor Lim <vlim@gigadevice.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/83998 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>