diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.1/128-3-mtd-nand-add-H27UBG8T2BTR-BC.patch')
| -rw-r--r-- | target/linux/sunxi/patches-4.1/128-3-mtd-nand-add-H27UBG8T2BTR-BC.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-4.1/128-3-mtd-nand-add-H27UBG8T2BTR-BC.patch b/target/linux/sunxi/patches-4.1/128-3-mtd-nand-add-H27UBG8T2BTR-BC.patch new file mode 100644 index 0000000000..e2f591e999 --- /dev/null +++ b/target/linux/sunxi/patches-4.1/128-3-mtd-nand-add-H27UBG8T2BTR-BC.patch @@ -0,0 +1,65 @@ +diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c +index dd620c1..15b4a03 100644 +--- a/drivers/mtd/nand/nand_ids.c ++++ b/drivers/mtd/nand/nand_ids.c +@@ -19,6 +19,49 @@ + #define SP_OPTIONS16 (SP_OPTIONS | NAND_BUSWIDTH_16) + + /* ++ * Hynix H27UBG8T2BTR timings ++ * This chip has an exceptionally large tADL, which results in only supporting ++ * ONFI timing mode 0. Using these timings, the clock can be raised from ++ * 12.5MHz to 50MHz. ++ */ ++const struct nand_sdr_timings hynix_h27ubg8t2btr_sdr_timing = { ++ .tADL_min = 200000, ++ .tALH_min = 5000, ++ .tALS_min = 10000, ++ .tAR_min = 10000, ++ .tCEA_max = 100000, ++ .tCEH_min = 20000, ++ .tCH_min = 5000, ++ .tCHZ_max = 50000, ++ .tCLH_min = 5000, ++ .tCLR_min = 10000, ++ .tCLS_min = 10000, ++ .tCOH_min = 15000, ++ .tCS_min = 20000, ++ .tDH_min = 5000, ++ .tDS_min = 10000, ++ .tFEAT_max = 1000000, ++ .tIR_min = 0, ++ .tITC_max = 1000000, ++ .tRC_min = 20000, ++ .tREA_max = 16000, ++ .tREH_min = 8000, ++ .tRHOH_min = 15000, ++ .tRHW_min = 100000, ++ .tRHZ_max = 100000, ++ .tRLOH_min = 5000, ++ .tRP_min = 10000, ++ .tRST_max = 500000000, ++ .tWB_max = 100000, ++ .tRR_min = 20000, ++ .tWC_min = 20000, ++ .tWH_min = 10000, ++ .tWHR_min = 80000, ++ .tWP_min = 8000, ++ .tWW_min = 100000, ++}; ++ ++/* + * The chip ID list: + * name, device ID, page size, chip size in MiB, eraseblock size, options + * +@@ -50,6 +93,10 @@ struct nand_flash_dev nand_flash_ids[] = { + { .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} }, + SZ_8K, SZ_8K, SZ_2M, 0, 6, 640, NAND_ECC_INFO(40, SZ_1K), + 4 }, ++ {"H27UBG8T2BTR-BC 64G 3.3V 8-bit", ++ { .id = {0xad, 0xd7, 0x94, 0xda, 0x74, 0xc3} }, ++ SZ_8K, SZ_4K, SZ_2M, 0, 6, 640, NAND_ECC_INFO(40, SZ_1K), ++ 0, &hynix_h27ubg8t2btr_sdr_timing }, + + LEGACY_ID_NAND("NAND 4MiB 5V 8-bit", 0x6B, 4, SZ_8K, SP_OPTIONS), + LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS), |