Add rkmtd class and drivers to create a virtual block device to transfer Rockchip boot block data to and from NAND with block orientated tools like "ums" and "rockusb".
Signed-off-by: Johan Jonker jbx6244@gmail.com Reviewed-by: Kever Yang kever.yang@rock-chips.com ---
Changed V5: Use devres_alloc in bind Restyle
Changed V4: Sort includes Replace constant by define
Changed V3: New patch Split driver from command Split header Use devm_kzalloc Remove out of memory debug Restyle --- drivers/block/Kconfig | 7 + drivers/block/Makefile | 2 + drivers/block/rkmtd.c | 1152 ++++++++++++++++++++++++++++++++++++++++ include/rkmtd.h | 191 +++++++ 4 files changed, 1352 insertions(+) create mode 100644 drivers/block/rkmtd.c create mode 100644 include/rkmtd.h
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 1abea3f10db4..048a6caef00f 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -262,3 +262,10 @@ config SYS_64BIT_LBA help Make the block subsystem use 64bit sector addresses, rather than the default of 32bit. + +config RKMTD + bool "Rockchip rkmtd virtual block device" + help + Enable "rkmtd" class and driver to create a virtual block device + to transfer Rockchip boot block data to and from NAND with block + orientate tools like "ums" and "rockusb". diff --git a/drivers/block/Makefile b/drivers/block/Makefile index a161d145fd39..fdcba5c8318f 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -11,6 +11,7 @@ endif
ifndef CONFIG_SPL_BUILD obj-$(CONFIG_IDE) += ide.o +obj-$(CONFIG_RKMTD) += rkmtd.o endif obj-$(CONFIG_SANDBOX) += sandbox.o host-uclass.o host_dev.o obj-$(CONFIG_$(SPL_TPL_)BLOCK_CACHE) += blkcache.o @@ -19,3 +20,4 @@ obj-$(CONFIG_BLKMAP) += blkmap.o obj-$(CONFIG_EFI_MEDIA) += efi-media-uclass.o obj-$(CONFIG_EFI_MEDIA_SANDBOX) += sb_efi_media.o obj-$(CONFIG_EFI_MEDIA_BLK) += efi_blk.o + diff --git a/drivers/block/rkmtd.c b/drivers/block/rkmtd.c new file mode 100644 index 000000000000..c55f052e51b9 --- /dev/null +++ b/drivers/block/rkmtd.c @@ -0,0 +1,1152 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Some functions are derived from: + * https://github.com/rockchip-linux/u-boot/blob/next-dev/drivers/rknand/rk_ftl... + * Copyright (c) 2016-2018, Fuzhou Rockchip Electronics Co., Ltd + * + * Driver interface derived from: + * /drivers/block/host_dev.c + * /drivers/block/host-uclass.c + * Copyright 2022 Google LLC + * Written by Simon Glass sjg@chromium.org + * + * Copyright (C) 2023 Johan Jonker jbx6244@gmail.com + */ + +#include <blk.h> +#include <dm.h> +#include <nand.h> +#include <part.h> +#include <rkmtd.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <dm/device-internal.h> +#include <dm/devres.h> +#include <dm/lists.h> +#include <dm/root.h> +#include <dm/uclass-internal.h> +#include <linux/mtd/mtd.h> +#if !IS_ENABLED(CONFIG_SANDBOX) +#include <linux/mtd/rawnand.h> +#endif +#include <u-boot/crc.h> + +struct nand_para_info nand_para_tbl[] = { + {6, {0x2c, 0x64, 0x44, 0x4b, 0xa9, 0x00}, 4, 1, 16, 256, 2, 2, 2048, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x44, 0x44, 0x4b, 0xa9, 0x00}, 4, 1, 16, 256, 2, 2, 1064, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x68, 0x04, 0x4a, 0xa9, 0x00}, 4, 1, 8, 256, 2, 2, 2048, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x88, 0x04, 0x4b, 0xa9, 0x00}, 4, 1, 16, 256, 2, 2, 2048, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0xa8, 0x05, 0xcb, 0xa9, 0x00}, 4, 2, 16, 256, 2, 2, 2048, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x68, 0x04, 0x46, 0x89, 0x00}, 4, 1, 8, 256, 2, 2, 2048, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x48, 0x04, 0x4a, 0xa5, 0x00}, 4, 1, 8, 256, 2, 2, 1024, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x84, 0x64, 0x3c, 0xa5, 0x00}, 4, 1, 32, 512, 2, 2, 1024, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0x64, 0x54, 0xa9, 0x00}, 4, 1, 32, 512, 2, 2, 1024, 0x01df, 4, 18, 60, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0xd7, 0x94, 0x3e, 0x84, 0x00}, 4, 1, 8, 128, 2, 2, 4096, 0x0117, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x48, 0x04, 0x46, 0x85, 0x00}, 4, 1, 8, 256, 2, 2, 1024, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x88, 0x05, 0xc6, 0x89, 0x00}, 4, 2, 8, 256, 2, 2, 2048, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x88, 0x24, 0x4b, 0xa9, 0x00}, 4, 1, 16, 256, 2, 2, 2048, 0x011f, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x68, 0x00, 0x27, 0xa9, 0x00}, 4, 1, 16, 128, 1, 2, 2048, 0x011f, 0, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x64, 0x64, 0x56, 0xa5, 0x00}, 4, 1, 24, 512, 2, 2, 700, 0x01df, 4, 18, 60, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0x84, 0xc5, 0x4b, 0xa9, 0x00}, 4, 2, 16, 256, 2, 2, 2048, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0xd5, 0xd1, 0xa6, 0x68, 0x00}, 4, 2, 8, 64, 1, 2, 2048, 0x0117, 0, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0xdc, 0x90, 0xa6, 0x54, 0x00}, 4, 1, 8, 64, 1, 2, 1024, 0x0117, 0, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x64, 0x64, 0x54, 0xa4, 0x00}, 4, 1, 32, 512, 2, 1, 1024, 0x01df, 4, 18, 60, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0x44, 0x32, 0xaa, 0x00}, 4, 1, 32, 512, 2, 1, 2184, 0x05c7, 5, 19, 60, 32, 1, 0, 1, 0, 1, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x64, 0x44, 0x32, 0xa5, 0x00}, 4, 1, 32, 512, 2, 1, 1048, 0x05c7, 5, 19, 60, 32, 1, 0, 1, 0, 1, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x64, 0x64, 0x3c, 0xa5, 0x00}, 4, 1, 32, 512, 2, 1, 1044, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0x44, 0x32, 0xaa, 0x00}, 4, 1, 32, 512, 2, 1, 2184, 0x05c7, 5, 19, 60, 32, 1, 0, 4, 0, 1, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0x44, 0x34, 0xaa, 0x00}, 4, 1, 32, 512, 2, 1, 2184, 0x05c7, 5, 19, 60, 32, 1, 0, 4, 0, 1, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0xc4, 0x34, 0xaa, 0x00}, 4, 1, 32, 512, 2, 1, 2184, 0x05c7, 5, 19, 60, 32, 1, 0, 1, 0, 1, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0x44, 0x34, 0xa4, 0x00}, 4, 1, 32, 512, 2, 1, 2184, 0x05c7, 5, 19, 60, 32, 1, 0, 1, 0, 1, {0, 0, 0, 0, 0}}, + {5, {0x2c, 0x84, 0x64, 0x3c, 0xa9, 0x00}, 4, 1, 32, 512, 2, 2, 1024, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x2c, 0xa4, 0x64, 0x32, 0xaa, 0x04}, 4, 1, 32, 1024, 2, 1, 2192, 0x05c7, 10, 19, 60, 32, 1, 0, 4, 0, 1, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xde, 0x94, 0xd2, 0x04, 0x43}, 2, 1, 16, 256, 2, 2, 2048, 0x01d9, 1, 1, 24, 32, 4, 0, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xd7, 0x94, 0xda, 0x74, 0xc3}, 2, 1, 16, 256, 2, 2, 1024, 0x01d9, 1, 2, 40, 32, 4, 0, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xd7, 0x94, 0x91, 0x60, 0x44}, 2, 1, 16, 256, 2, 2, 1046, 0x01d9, 1, 3, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4}, 2, 1, 16, 256, 2, 2, 2090, 0x01d9, 1, 4, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xde, 0x94, 0xeb, 0x74, 0x44}, 2, 1, 32, 256, 2, 2, 1066, 0x01d9, 1, 7, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xd5, 0x94, 0xda, 0x74, 0xc4}, 2, 1, 16, 256, 2, 2, 530, 0x01d9, 1, 3, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xd7, 0x94, 0x9a, 0x74, 0x42}, 2, 1, 16, 256, 2, 2, 1024, 0x0119, 1, 0, 24, 32, 4, 0, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xde, 0x14, 0xa7, 0x42, 0x4a}, 2, 1, 32, 256, 2, 2, 1060, 0x01d9, 2, 5, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xd7, 0x14, 0x9e, 0x34, 0x4a}, 2, 1, 16, 256, 2, 2, 1056, 0x01d9, 2, 5, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xde, 0x94, 0xa7, 0x42, 0x48}, 2, 1, 32, 256, 2, 2, 1060, 0x01d9, 2, 5, 40, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xde, 0x14, 0xab, 0x42, 0x4a}, 2, 1, 32, 256, 2, 2, 1056, 0x01d9, 2, 6, 40, 32, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0x3a, 0x14, 0xab, 0x42, 0x4a}, 2, 1, 32, 256, 2, 2, 2092, 0x01d9, 2, 5, 40, 32, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0xd5, 0x94, 0x9a, 0x74, 0x42}, 2, 1, 16, 256, 2, 1, 1024, 0x0111, 1, 0, 24, 32, 4, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xad, 0x3a, 0x14, 0x03, 0x08, 0x50}, 2, 1, 32, 388, 2, 2, 1362, 0x01d9, 9, 8, 40, 32, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x64, 0x44, 0x4b, 0xa9, 0x00}, 7, 1, 16, 256, 2, 2, 2048, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x88, 0x24, 0x4b, 0xa9, 0x84}, 7, 1, 16, 256, 2, 2, 2048, 0x01df, 3, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x88, 0x24, 0x4b, 0xa9, 0x00}, 7, 1, 16, 256, 2, 2, 2048, 0x0117, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x68, 0x24, 0x4a, 0xa9, 0x00}, 7, 1, 8, 256, 2, 2, 2048, 0x0117, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x68, 0x04, 0x4a, 0xa9, 0x00}, 7, 1, 8, 256, 2, 2, 2048, 0x0117, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0xd7, 0x94, 0x3e, 0x84, 0x00}, 7, 1, 8, 256, 2, 2, 2048, 0x0117, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x68, 0x04, 0x46, 0xa9, 0x00}, 7, 1, 8, 256, 2, 2, 2048, 0x0117, 1, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x89, 0x64, 0x64, 0x3c, 0xa1, 0x00}, 7, 1, 32, 512, 2, 1, 1024, 0x01c7, 4, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {5, {0x89, 0x84, 0x64, 0x3c, 0xa5, 0x00}, 7, 1, 32, 512, 2, 2, 1024, 0x01c7, 4, 17, 40, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x89, 0x88, 0x24, 0x3b, 0xa9, 0x00}, 7, 1, 16, 192, 2, 2, 2048, 0x0117, 12, 0, 24, 32, 1, 0, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xd7, 0x84, 0x93, 0x72, 0x57}, 1, 1, 32, 256, 2, 1, 1060, 0x05c1, 2, 33, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xde, 0x84, 0x93, 0x72, 0x57}, 1, 1, 32, 256, 2, 1, 2092, 0x05c1, 2, 33, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0x3a, 0x85, 0x93, 0x76, 0x57}, 1, 2, 32, 256, 2, 1, 2092, 0x05e1, 2, 33, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xd5, 0x84, 0x32, 0x72, 0x56}, 1, 1, 16, 128, 2, 1, 2056, 0x05c1, 2, 33, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xd7, 0x94, 0x32, 0x76, 0x56}, 1, 1, 16, 128, 2, 2, 2058, 0x05d1, 2, 33, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xde, 0x94, 0x82, 0x76, 0x56}, 1, 1, 16, 256, 2, 2, 2062, 0x05d1, 1, 33, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xde, 0x94, 0x93, 0x76, 0x50}, 1, 1, 32, 256, 2, 2, 1066, 0x05d9, 2, 34, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0x3a, 0x95, 0x93, 0x7a, 0x50}, 1, 2, 32, 256, 2, 2, 1066, 0x05d9, 2, 34, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xd7, 0x94, 0x32, 0x76, 0x55}, 1, 1, 16, 128, 2, 2, 2050, 0x0191, 2, 0, 24, 32, 1, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xde, 0x94, 0x93, 0x76, 0x57}, 1, 1, 32, 256, 2, 2, 1058, 0x05d9, 2, 33, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xd7, 0x84, 0x93, 0x72, 0x50}, 1, 1, 32, 256, 2, 1, 1060, 0x05c1, 2, 34, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xde, 0x94, 0x93, 0x76, 0x51}, 1, 1, 32, 256, 2, 2, 1074, 0x05d9, 2, 35, 40, 32, 3, 1, 4, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0x3a, 0x94, 0x93, 0x76, 0x51}, 1, 1, 32, 256, 2, 2, 2106, 0x05d9, 2, 35, 40, 32, 3, 1, 4, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xd7, 0x84, 0x93, 0x72, 0x51}, 1, 1, 32, 256, 2, 1, 1056, 0x05d9, 2, 35, 40, 32, 3, 1, 4, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x98, 0xde, 0x94, 0x93, 0x76, 0xd1}, 1, 1, 32, 256, 2, 2, 1074, 0x05d9, 2, 35, 40, 32, 3, 1, 4, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0x94, 0x93, 0x76, 0x57}, 8, 1, 32, 256, 2, 2, 1058, 0x05d9, 2, 66, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xd7, 0x84, 0x93, 0x72, 0x57}, 8, 1, 32, 256, 2, 1, 1060, 0x05c1, 2, 66, 40, 32, 2, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0xa4, 0x82, 0x76, 0x56}, 8, 1, 16, 256, 2, 2, 2082, 0x01d9, 1, 65, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0x94, 0x93, 0x76, 0x50}, 8, 1, 32, 256, 2, 2, 1066, 0x05d9, 2, 67, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xd7, 0x84, 0x93, 0x72, 0x50}, 8, 1, 32, 256, 2, 1, 1060, 0x05c1, 2, 67, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0xa4, 0x82, 0x76, 0xd7}, 8, 1, 16, 256, 2, 2, 2090, 0x04d9, 1, 66, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0x84, 0x93, 0x72, 0x57}, 8, 1, 32, 256, 2, 1, 2092, 0x05c1, 2, 66, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0x3a, 0x94, 0x93, 0x76, 0x51}, 8, 1, 32, 256, 2, 2, 2106, 0x01d9, 2, 68, 40, 32, 3, 1, 4, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0x94, 0x93, 0x76, 0x51}, 8, 1, 32, 256, 2, 2, 1074, 0x01d9, 2, 68, 40, 32, 3, 1, 4, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0x3a, 0xa4, 0x93, 0x7a, 0x50}, 8, 1, 32, 256, 2, 2, 2138, 0x05d9, 2, 0, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0x94, 0x82, 0x76, 0x56}, 8, 1, 16, 256, 2, 2, 2062, 0x01d9, 1, 0, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0x45, 0xde, 0x94, 0x93, 0x76, 0xd7}, 8, 1, 32, 256, 2, 2, 1058, 0x05d9, 2, 66, 40, 32, 3, 1, 1, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xd7, 0x94, 0x7e, 0x64, 0x44}, 0, 1, 16, 128, 2, 2, 2048, 0x01d9, 2, 49, 60, 36, 3, 0, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xde, 0xd5, 0x7e, 0x68, 0x44}, 0, 2, 16, 128, 2, 2, 2048, 0x01f9, 2, 49, 60, 36, 3, 0, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xd7, 0x94, 0x7a, 0x54, 0x43}, 0, 1, 16, 128, 2, 2, 2076, 0x0199, 2, 0, 40, 36, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xde, 0xd5, 0x7a, 0x58, 0x43}, 0, 2, 16, 128, 2, 2, 2076, 0x01b9, 2, 0, 40, 36, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xd5, 0x94, 0x76, 0x54, 0x43}, 0, 1, 16, 128, 2, 2, 1038, 0x0119, 2, 0, 24, 36, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xd7, 0x14, 0x76, 0x54, 0xc2}, 0, 1, 16, 128, 2, 2, 2076, 0x0491, 2, 0, 24, 40, 3, 1, 3, 0, 0, {0, 0, 0, 0, 0}}, + {6, {0xec, 0xde, 0x94, 0xc3, 0xa4, 0xca}, 0, 1, 32, 792, 2, 1, 688, 0x04c1, 11, 50, 40, 32, 3, 1, 1, 0, 1, {0, 0, 0, 0, 0}}, +}; + +#if !IS_ENABLED(CONFIG_SANDBOX) +static int rkmtd_write_oob(struct rkmtd_dev *plat, ulong off, u_char *datbuf, u_char *oobbuf) +{ + struct mtd_info *mtd = plat->mtd; + struct mtd_oob_ops ops; + loff_t addr; + int ret; + + off &= ~(mtd->writesize - 1); + addr = (loff_t)off; + + memset(&ops, 0, sizeof(ops)); + ops.datbuf = datbuf; + ops.oobbuf = oobbuf; + ops.len = mtd->writesize; + ops.ooblen = mtd->oobsize; + ops.mode = MTD_OPS_PLACE_OOB; + ret = mtd_write_oob(mtd, addr, &ops); + if (ret < 0) { + debug("Error (%d) writing page %08lx\n", ret, off); + return 1; + } + + return 0; +} + +static int rkmtd_read_oob(struct rkmtd_dev *plat, ulong off, u_char *datbuf, u_char *oobbuf) +{ + struct mtd_info *mtd = plat->mtd; + struct mtd_oob_ops ops; + loff_t addr; + int ret; + + off &= ~(mtd->writesize - 1); + addr = (loff_t)off; + + memset(&ops, 0, sizeof(ops)); + ops.datbuf = datbuf; + ops.oobbuf = oobbuf; + ops.len = mtd->writesize; + ops.ooblen = mtd->oobsize; + ops.mode = MTD_OPS_PLACE_OOB; + ret = mtd_read_oob(mtd, addr, &ops); + if (ret < 0) { + debug("Error (%d) reading page %08lx\n", ret, off); + return 1; + } + + return 0; +} + +static int rkmtd_erase(struct rkmtd_dev *plat, ulong off) +{ + struct mtd_info *mtd = plat->mtd; + struct erase_info info; + loff_t addr; + int ret; + + off &= ~(mtd->writesize - 1); + addr = (loff_t)off; + + memset(&info, 0, sizeof(info)); + info.mtd = mtd; + info.addr = addr; + info.len = mtd->erasesize; + info.scrub = 1; + ret = mtd_erase(mtd, &info); + if (ret) { + debug("Error (%d) erasing page %08lx\n", ret, off); + return 1; + } + + return 0; +} +#endif +void rkmtd_scan_block(struct rkmtd_dev *plat) +{ + plat->blk_counter = 0; + +#if !IS_ENABLED(CONFIG_SANDBOX) + u32 blk; + + for (blk = 0; blk < plat->boot_blks; blk++) { + rkmtd_read_oob(plat, blk * plat->mtd->erasesize, plat->datbuf, plat->oobbuf); + if (*(u32 *)plat->datbuf == RK_TAG) { + struct sector0 *sec0 = (struct sector0 *)plat->datbuf; + + rkmtd_rc4(plat->datbuf, 512); + + plat->idblock[plat->blk_counter].blk = blk; + plat->idblock[plat->blk_counter].offset = sec0->boot_code1_offset; + plat->idblock[plat->blk_counter].boot_size = sec0->flash_boot_size; + + debug("\nblk : %d\n", plat->idblock[plat->blk_counter].blk); + debug("offset : %d\n", plat->idblock[plat->blk_counter].offset); + debug("boot_size : %d\n", plat->idblock[plat->blk_counter].boot_size); + + plat->blk_counter += 1; + + if (plat->blk_counter >= ARRAY_SIZE(plat->idblock)) + return; + } + } +#endif +} + +void rkmtd_read_block(struct rkmtd_dev *plat, u32 idx, u8 *buf) +{ +#if !IS_ENABLED(CONFIG_SANDBOX) + ulong off = plat->idblock[idx].blk * plat->mtd->erasesize; + struct nand_chip *chip = mtd_to_nand(plat->mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + int counter = 0; + u32 spare0 = 0; + u32 *p_spare; + int sector; + int page; + + rkmtd_read_oob(plat, off, + plat->datbuf, plat->oobbuf); + + memcpy(buf, plat->datbuf, BLK_SIZE); + + while (counter < plat->idblock[idx].boot_size) { + if (spare0) + page = (plat->idblock[idx].offset + spare0) / 4; + else + page = (plat->idblock[idx].offset + counter) / 4; + + rkmtd_read_oob(plat, + off + page * plat->mtd->writesize, + plat->datbuf, plat->oobbuf); + + sector = plat->idblock[idx].offset + counter; + + memcpy(&buf[(sector / 4) * BLK_SIZE], plat->datbuf, BLK_SIZE); + + p_spare = (u32 *)&plat->oobbuf[(ecc->steps - 1) * NFC_SYS_DATA_SIZE]; + + spare0 = *p_spare; + if (spare0 == -1) + break; + + counter += 4; + } +#endif +} + +void rkmtd_write_block(struct rkmtd_dev *plat, u32 idx, u8 *buf) +{ +#if !IS_ENABLED(CONFIG_SANDBOX) + ulong off = plat->idblock[idx].blk * plat->mtd->erasesize; + struct nand_chip *chip = mtd_to_nand(plat->mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + int counter = 0; + u32 *p_spare; + int sector; + int page; + int j, w, r; + + rkmtd_erase(plat, off); + + memset(plat->datbuf, 0xff, plat->mtd->writesize); + memcpy(plat->datbuf, buf, BLK_SIZE); + memset(plat->oobbuf, 0xff, plat->mtd->oobsize); + + rkmtd_write_oob(plat, off, + plat->datbuf, plat->oobbuf); + + while (counter < plat->idblock[idx].boot_size) { + sector = plat->idblock[idx].offset + counter; + + memset(plat->datbuf, 0xff, plat->mtd->writesize); + memcpy(plat->datbuf, &buf[(sector / 4) * BLK_SIZE], BLK_SIZE); + memset(plat->oobbuf, 0xff, plat->mtd->oobsize); + + p_spare = (u32 *)&plat->oobbuf[(ecc->steps - 1) * NFC_SYS_DATA_SIZE]; + + *p_spare = (plat->page_table[sector / 4 + 1] - 1) * 4; + + page = plat->page_table[sector / 4]; + + rkmtd_write_oob(plat, + off + page * plat->mtd->writesize, + plat->datbuf, plat->oobbuf); + + counter += 4; + } + + memset(plat->check, 0, BUF_SIZE); + rkmtd_read_block(plat, idx, plat->check); + + for (j = 0; j < BLK_SIZE; j++) { + w = *(buf + j); + r = *(plat->check + j); + + if (r != w) + goto dumpblock; + } + + for (j = 0; j < (plat->idblock[idx].boot_size * 512); j++) { + w = *(buf + plat->idblock[idx].offset * 512 + j); + r = *(plat->check + plat->idblock[idx].offset * 512 + j); + + if (r != w) + goto dumpblock; + } + + debug("write OK\n"); + return; + +dumpblock: + debug("write and check error:%x r=%x w=%x\n", j, r, w); + + plat->idblock[idx].offset = 0; + plat->idblock[idx].boot_size = 0; + + memset(plat->datbuf, 0xff, plat->mtd->writesize); + memset(plat->datbuf, 0, BLK_SIZE); + memset(plat->oobbuf, 0xff, plat->mtd->oobsize); + + rkmtd_write_oob(plat, off, plat->datbuf, plat->oobbuf); +#endif +} + +ulong rkmtd_bread(struct udevice *udev, lbaint_t start, + lbaint_t blkcnt, void *dst) +{ + struct blk_desc *block_dev = dev_get_uclass_plat(udev); + struct udevice *parent_dev = dev_get_parent(udev); + struct rkmtd_dev *plat = dev_get_plat(parent_dev); + char *buf = dst; + int i; + + if (blkcnt == 0) + return 0; + + if (start > (block_dev->lba - 1) || + (start + blkcnt) > block_dev->lba) + return 0; + + memset(dst, 0, blkcnt * block_dev->blksz); + + for (i = start; i < (start + blkcnt); i++) { + if (i == 0) { + debug("mbr : %d\n", i); + + memcpy(&buf[(i - start) * block_dev->blksz], + plat->mbr, sizeof(legacy_mbr)); + } else if (i == 1) { + debug("gpt_h : %d\n", i); + + memcpy(&buf[(i - start) * block_dev->blksz], + plat->gpt_h, sizeof(gpt_header)); + } else if (i == (block_dev->lba - 1)) { + debug("gpt_h2 : %d\n", i); + + memcpy(&buf[(i - start) * block_dev->blksz], + plat->gpt_h2, sizeof(gpt_header)); + } else if (i == 2 || i == (block_dev->lba - 33)) { + debug("gpt_e : %d\n", i); + + memcpy(&buf[(i - start) * block_dev->blksz], + plat->gpt_e, sizeof(gpt_entry)); + } else if (i >= 64 && i < (block_dev->lba - 33)) { + debug("rd : %d\n", i); + + memcpy(&buf[(i - start) * block_dev->blksz], + &plat->idb[(i - 64) * block_dev->blksz], block_dev->blksz); + } + } + + return blkcnt; +} + +ulong rkmtd_bwrite(struct udevice *udev, lbaint_t start, + lbaint_t blkcnt, const void *src) +{ + struct blk_desc *block_dev = dev_get_uclass_plat(udev); + struct udevice *parent_dev = dev_get_parent(udev); + struct rkmtd_dev *plat = dev_get_plat(parent_dev); + struct sector0 *sec0; + int i, j; + + if (blkcnt == 0) + return 0; + + if (start > (block_dev->lba - 1) || + (start + blkcnt) > block_dev->lba) + return 0; + + for (i = start; i < (start + blkcnt); i++) { + debug("wr : %d\n", i); + + if (i >= 64 && i < (block_dev->lba - 33)) { + if (i == 64) { + debug("first block\n"); + + plat->idb_need_write_back = 1; + memset(plat->idb, 0, BUF_SIZE); + } + + if (plat->idb_need_write_back) { + char *buf = (char *)src; + + memcpy(&plat->idb[(i - 64) * block_dev->blksz], + &buf[(i - start) * block_dev->blksz], + block_dev->blksz); + + if (i == 64) { + memcpy(plat->check, plat->idb, 512); + + if (*(u32 *)plat->check == RK_TAG) { + rkmtd_rc4(plat->check, 512); + + sec0 = (struct sector0 *)plat->check; + plat->offset = sec0->boot_code1_offset; + plat->boot_size = sec0->flash_boot_size; + + if (plat->offset + plat->boot_size > 512) { + debug("max size limit\n"); + plat->idb_need_write_back = 0; + } + } else { + debug("no IDB block found\n"); + plat->idb_need_write_back = 0; + } + } + + if (i == (64 + plat->offset + plat->boot_size - 1)) { + debug("last block\n"); + + plat->idb_need_write_back = 0; + + if (!plat->blk_counter) { + plat->idblock[0].blk = 2; + plat->idblock[1].blk = 3; + plat->idblock[2].blk = 4; + plat->idblock[3].blk = 5; + plat->idblock[4].blk = 6; + plat->blk_counter = 5; + } + + for (j = 0; j < plat->blk_counter; j++) { + if (plat->idblock[j].blk < plat->boot_blks) { + plat->idblock[j].offset = plat->offset; + plat->idblock[j].boot_size = plat->boot_size; + rkmtd_write_block(plat, j, plat->idb); + } + } + + rkmtd_scan_block(plat); + + if (!IS_ENABLED(CONFIG_SANDBOX)) + memset(plat->idb, 0, BUF_SIZE); + + if (plat->blk_counter) + rkmtd_read_block(plat, 0, plat->idb); + } + } + } else if (plat->idb_need_write_back) { + plat->idb_need_write_back = 0; + + memset(plat->idb, 0, BUF_SIZE); + + if (plat->blk_counter) + rkmtd_read_block(plat, 0, plat->idb); + } + } + + return blkcnt; +} + +static const struct blk_ops rkmtd_blk_ops = { + .read = rkmtd_bread, + .write = rkmtd_bwrite, +}; + +U_BOOT_DRIVER(rkmtd_blk) = { + .name = "rkmtd_blk", + .id = UCLASS_BLK, + .ops = &rkmtd_blk_ops, +}; + +void rkmtd_build_page_table(struct rkmtd_dev *plat) +{ + u32 counter; + u32 counter2; + + switch (plat->lsb_mode) { + case 0: + counter = 0; + do { + u16 val = counter; + + plat->page_table[counter++] = val; + } while (counter != 512); + break; + case 1: + counter = 0; + do { + u16 val = counter; + + if (counter > 3) { + u16 offset; + + if (counter & 1) + offset = 3; + else + offset = 2; + val = 2 * counter - offset; + } + plat->page_table[counter++] = val; + } while (counter != 512); + break; + case 2: + counter = 0; + do { + u16 val = counter; + + if (counter > 1) + val = 2 * counter - 1; + plat->page_table[counter++] = val; + } while (counter != 512); + break; + case 3: + counter = 0; + do { + u16 val = counter; + + if (counter > 5) { + u16 offset; + + if (counter & 1) + offset = 5; + else + offset = 4; + val = 2 * counter - offset; + } + plat->page_table[counter++] = val; + } while (counter != 512); + break; + case 4: + counter = 8; + plat->page_table[0] = 0; + plat->page_table[1] = 1; + plat->page_table[2] = 2; + plat->page_table[3] = 3; + plat->page_table[4] = 4; + plat->page_table[5] = 5; + plat->page_table[6] = 7; + plat->page_table[7] = 8; + do { + u32 offset; + u32 val; + + if (counter & 1) + offset = 7; + else + offset = 6; + val = 2 * counter - offset; + plat->page_table[counter++] = val; + } while (counter != 512); + break; + case 5: + counter = 0; + counter2 = 16; + do { + u16 val = counter; + + plat->page_table[counter++] = val; + } while (counter != 16); + do { + plat->page_table[counter++] = counter2; + counter2 = counter2 + 2; + } while (counter != 512); + break; + case 6: + counter = 0; + counter2 = 0; + do { + u16 val = counter; + + if (counter > 5) { + u16 offset; + + if (counter & 1) + offset = 12; + else + offset = 10; + val = counter2 - offset; + } + plat->page_table[counter++] = val; + counter2 = counter2 + 3; + } while (counter != 512); + break; + case 9: + counter = 3; + counter2 = 3; + plat->page_table[0] = 0; + plat->page_table[1] = 1; + plat->page_table[2] = 2; + do { + plat->page_table[counter++] = counter2; + counter2 = counter2 + 2; + } while (counter != 512); + break; + case 10: + counter = 0; + counter2 = 63; + do { + u16 val = counter; + + plat->page_table[counter++] = val; + } while (counter != 63); + do { + plat->page_table[counter++] = counter2; + counter2 = counter2 + 2; + } while (counter != 512); + break; + case 11: + counter = 0; + do { + u16 val = counter; + + plat->page_table[counter++] = val; + } while (counter != 8); + do { + u32 offset; + u32 val; + + if (counter & 1) + offset = 7; + else + offset = 6; + val = 2 * counter - offset; + plat->page_table[counter++] = val; + } while (counter != 512); + break; + case 12: + counter = 4; + plat->page_table[0] = 0; + plat->page_table[1] = 1; + plat->page_table[2] = 2; + plat->page_table[3] = 3; + do { + u32 val = counter - 1 + (counter >> 1); + + plat->page_table[counter++] = val; + } while (counter != 512); + break; + } +} + +static inline u32 efi_crc32(const void *buf, u32 len) +{ + return crc32(0, buf, len); +} + +int rkmtd_init_plat(struct udevice *dev) +{ + static const efi_guid_t partition_basic_data_guid = PARTITION_BASIC_DATA_GUID; + struct rkmtd_dev *plat = dev_get_plat(dev); + size_t efiname_len, dosname_len; + uchar name[] = "loader1"; + u32 calc_crc32; + int k; + + gen_rand_uuid_str(plat->uuid_disk_str, UUID_STR_FORMAT_GUID); + gen_rand_uuid_str(plat->uuid_part_str, UUID_STR_FORMAT_GUID); + + debug("uuid_part_str : %s\n", plat->uuid_part_str); + debug("uuid_disk_str : %s\n", plat->uuid_disk_str); + + plat->idb = devm_kzalloc(plat->dev, BUF_SIZE, GFP_KERNEL); + if (!plat->idb) + return -ENOMEM; + + plat->check = devm_kzalloc(plat->dev, BUF_SIZE, GFP_KERNEL); + if (!plat->check) + return -ENOMEM; + + plat->mbr = devm_kzalloc(plat->dev, sizeof(legacy_mbr), GFP_KERNEL); + if (!plat->mbr) + return -ENOMEM; + + plat->gpt_e = devm_kzalloc(plat->dev, sizeof(gpt_entry), GFP_KERNEL); + if (!plat->gpt_e) + return -ENOMEM; + + plat->gpt_h = devm_kzalloc(plat->dev, sizeof(gpt_header), GFP_KERNEL); + if (!plat->gpt_h) + return -ENOMEM; + + plat->gpt_h2 = devm_kzalloc(plat->dev, sizeof(gpt_header), GFP_KERNEL); + if (!plat->gpt_h2) + return -ENOMEM; + + /* Init mbr */ + plat->mbr->signature = MSDOS_MBR_SIGNATURE; + plat->mbr->partition_record[0].sys_ind = EFI_PMBR_OSTYPE_EFI_GPT; + plat->mbr->partition_record[0].start_sect = 1; + plat->mbr->partition_record[0].nr_sects = LBA - 1; + + /* Init gpt_e */ + plat->gpt_e->starting_lba = cpu_to_le64(64); + plat->gpt_e->ending_lba = cpu_to_le64(LBA - 34); + + debug("starting_lba : %llu\n", le64_to_cpu(plat->gpt_e->starting_lba)); + debug("ending_lba : %llu\n", le64_to_cpu(plat->gpt_e->ending_lba)); + + memcpy(plat->gpt_e->partition_type_guid.b, &partition_basic_data_guid, 16); + + uuid_str_to_bin(plat->uuid_part_str, plat->gpt_e->unique_partition_guid.b, + UUID_STR_FORMAT_GUID); + + efiname_len = sizeof(plat->gpt_e->partition_name) / sizeof(efi_char16_t); + dosname_len = sizeof(name); + + for (k = 0; k < min(dosname_len, efiname_len); k++) + plat->gpt_e->partition_name[k] = (efi_char16_t)(name[k]); + + /* Init gpt_h */ + plat->gpt_h->signature = cpu_to_le64(GPT_HEADER_SIGNATURE_UBOOT); + plat->gpt_h->revision = cpu_to_le32(GPT_HEADER_REVISION_V1); + plat->gpt_h->header_size = cpu_to_le32(sizeof(gpt_header)); + plat->gpt_h->first_usable_lba = cpu_to_le64(64); + plat->gpt_h->last_usable_lba = cpu_to_le64(LBA - 34); + plat->gpt_h->num_partition_entries = cpu_to_le32(1); + plat->gpt_h->sizeof_partition_entry = cpu_to_le32(sizeof(gpt_entry)); + + uuid_str_to_bin(plat->uuid_disk_str, plat->gpt_h->disk_guid.b, + UUID_STR_FORMAT_GUID); + + plat->gpt_h->partition_entry_array_crc32 = 0; + calc_crc32 = efi_crc32((const unsigned char *)plat->gpt_e, + le32_to_cpu(plat->gpt_h->num_partition_entries) * + le32_to_cpu(plat->gpt_h->sizeof_partition_entry)); + plat->gpt_h->partition_entry_array_crc32 = cpu_to_le32(calc_crc32); + + debug("partition crc32 : 0x%08x\n", calc_crc32); + + plat->gpt_h->my_lba = cpu_to_le64(1); + plat->gpt_h->partition_entry_lba = cpu_to_le64(2); + plat->gpt_h->alternate_lba = cpu_to_le64(LBA - 1); + + plat->gpt_h->header_crc32 = 0; + calc_crc32 = efi_crc32((const unsigned char *)plat->gpt_h, + le32_to_cpu(plat->gpt_h->header_size)); + plat->gpt_h->header_crc32 = cpu_to_le32(calc_crc32); + + debug("header h1 crc32 : 0x%08x\n", calc_crc32); + + /* Init gpt_h2 */ + memcpy(plat->gpt_h2, plat->gpt_h, sizeof(gpt_header)); + + plat->gpt_h2->my_lba = cpu_to_le64(LBA - 1); + plat->gpt_h2->partition_entry_lba = + cpu_to_le64(le64_to_cpu(plat->gpt_h2->last_usable_lba) + 1); + plat->gpt_h2->alternate_lba = cpu_to_le64(1); + + plat->gpt_h2->header_crc32 = 0; + calc_crc32 = efi_crc32((const unsigned char *)plat->gpt_h2, + le32_to_cpu(plat->gpt_h2->header_size)); + plat->gpt_h2->header_crc32 = cpu_to_le32(calc_crc32); + + debug("header h2 crc32 : 0x%08x\n", calc_crc32); + + part_init(plat->desc); + + return 0; +} + +static void rkmtd_blk_kmalloc_release(struct udevice *dev, void *res) +{ + /* noop */ +} + +static int rkmtd_bind(struct udevice *dev) +{ + struct rkmtd_dev *plat = dev_get_plat(dev); + char dev_name[30], *str; + struct blk_desc *desc; + struct udevice *bdev; + int ret; + + snprintf(dev_name, sizeof(dev_name), "%s.%s", dev->name, "blk"); + + str = devres_alloc(rkmtd_blk_kmalloc_release, strlen(dev_name) + 1, GFP_KERNEL); + if (unlikely(!str)) + return -ENOMEM; + + strcpy(str, dev_name); + + ret = blk_create_device(dev, "rkmtd_blk", str, UCLASS_RKMTD, + -1, 512, LBA, &bdev); + if (ret) { + free(str); + return log_msg_ret("blk", ret); + } + + devres_add(dev, str); + + desc = dev_get_uclass_plat(bdev); + sprintf(desc->vendor, "0x%.4x", 0x2207); + memcpy(desc->product, "RKMTD", sizeof("RKMTD")); + memcpy(desc->revision, "V1.00", sizeof("V1.00")); + plat->desc = desc; + + return 0; +} + +static int rkmtd_attach_mtd(struct udevice *dev) +{ + struct rkmtd_dev *plat = dev_get_plat(dev); + struct mtd_info *mtd; + struct udevice *blk; + int ret; + + plat->dev = dev; + + /* Sanity check that rkmtd_bind() has been used */ + ret = blk_find_from_parent(dev, &blk); + if (ret) + return ret; + +#if IS_ENABLED(CONFIG_SANDBOX) + plat->mtd = devm_kzalloc(dev, sizeof(struct mtd_info), GFP_KERNEL); + if (!plat->mtd) + return -ENOMEM; + + mtd = plat->mtd; + mtd->erasesize = 2 ^ 3 * BLK_SIZE; + mtd->writesize = BLK_SIZE; + mtd->oobsize = BLK_SIZE / STEP_SIZE * NFC_SYS_DATA_SIZE; + plat->boot_blks = 0; + plat->lsb_mode = 0; +#else + struct nand_chip *chip; + u8 id[6]; + int i, j; + u32 tmp; + + mtd = get_nand_dev_by_index(0); + if (!mtd) + return -ENOSYS; + + chip = mtd_to_nand(mtd); + + ret = ofnode_read_u32(chip->flash_node, "rockchip,boot-blks", &tmp); + plat->boot_blks = ret ? 0 : tmp; + plat->mtd = mtd; + + if (chip->select_chip) + chip->select_chip(mtd, 0); + + nand_readid_op(chip, 0, id, 6); + + if (chip->select_chip) + chip->select_chip(mtd, -1); + + for (i = 0; i < ARRAY_SIZE(nand_para_tbl); i++) { + plat->info = (struct nand_para_info *)&nand_para_tbl[i]; + for (j = 0; j < plat->info->id_bytes; j++) { + if (plat->info->nand_id[j] != id[j]) + break; + if (j == plat->info->id_bytes - 1) + goto valid; + } + } + + debug("no nand_para_info found\n"); + return -ENODEV; +valid: + plat->lsb_mode = plat->info->lsb_mode; + + debug("FLASH ID :"); + + for (j = 0; j < plat->info->id_bytes; j++) + debug(" %x", id[j]); + + debug("\n"); +#endif + + rkmtd_build_page_table(plat); + + plat->datbuf = devm_kzalloc(dev, mtd->writesize, GFP_KERNEL); + if (!plat->datbuf) + return -ENOMEM; + + plat->oobbuf = devm_kzalloc(dev, mtd->oobsize, GFP_KERNEL); + if (!plat->oobbuf) + return -ENOMEM; + + debug("erasesize %8d\n", mtd->erasesize); + debug("writesize %8d\n", mtd->writesize); + debug("oobsize %8d\n", mtd->oobsize); + debug("boot_blks %8d\n", plat->boot_blks); + debug("lsb_mode %8d\n", plat->lsb_mode); + + ret = rkmtd_init_plat(dev); + if (ret) { + debug("rkmtd_init_plat failed\n"); + return -ENOENT; + } + + rkmtd_scan_block(plat); + + memset(plat->idb, 0, BUF_SIZE); + + if (plat->blk_counter) + rkmtd_read_block(plat, 0, plat->idb); + + return 0; +} + +int rkmtd_detach_mtd(struct udevice *dev) +{ + int ret; + + ret = device_remove(dev, DM_REMOVE_NORMAL); + if (ret) + return log_msg_ret("rem", ret); + + ret = device_chld_unbind(dev, NULL); + if (ret) + return log_msg_ret("unb", ret); + + return 0; +} + +struct rkmtd_ops rkmtd_ops = { + .attach_mtd = rkmtd_attach_mtd, + .detach_mtd = rkmtd_detach_mtd, +}; + +U_BOOT_DRIVER(rkmtd_drv) = { + .name = "rkmtd_drv", + .id = UCLASS_RKMTD, + .ops = &rkmtd_ops, + .bind = rkmtd_bind, + .plat_auto = sizeof(struct rkmtd_dev), +}; + +struct rkmtd_priv { + struct udevice *cur_dev; +}; + +void rkmtd_rc4(u8 *buf, u32 len) +{ + u8 S[256], K[256], temp; + u32 i, j, t, x; + u8 key[16] = { 124, 78, 3, 4, 85, 5, 9, 7, 45, 44, 123, 56, 23, 13, 23, 17}; + + j = 0; + for (i = 0; i < 256; i++) { + S[i] = (u8)i; + j &= 0x0f; + K[i] = key[j]; + j++; + } + + j = 0; + for (i = 0; i < 256; i++) { + j = (j + S[i] + K[i]) % 256; + temp = S[i]; + S[i] = S[j]; + S[j] = temp; + } + + i = 0; + j = 0; + for (x = 0; x < len; x++) { + i = (i + 1) % 256; + j = (j + S[i]) % 256; + temp = S[i]; + S[i] = S[j]; + S[j] = temp; + t = (S[i] + (S[j] % 256)) % 256; + buf[x] = buf[x] ^ S[t]; + } +} + +struct udevice *rkmtd_get_cur_dev(void) +{ + struct uclass *uc = uclass_find(UCLASS_RKMTD); + + if (uc) { + struct rkmtd_priv *priv = uclass_get_priv(uc); + + return priv->cur_dev; + } + + return NULL; +} + +void rkmtd_set_cur_dev(struct udevice *dev) +{ + struct uclass *uc = uclass_find(UCLASS_RKMTD); + + if (uc) { + struct rkmtd_priv *priv = uclass_get_priv(uc); + + priv->cur_dev = dev; + } +} + +struct udevice *rkmtd_find_by_label(const char *label) +{ + struct udevice *dev; + struct uclass *uc; + + uclass_id_foreach_dev(UCLASS_RKMTD, dev, uc) { + struct rkmtd_dev *plat = dev_get_plat(dev); + + if (plat->label && !strcmp(label, plat->label)) + return dev; + } + + return NULL; +} + +int rkmtd_attach(struct udevice *dev) +{ + struct rkmtd_ops *ops = rkmtd_get_ops(dev); + + if (!ops->attach_mtd) + return -ENOSYS; + + return ops->attach_mtd(dev); +} + +int rkmtd_detach(struct udevice *dev) +{ + struct rkmtd_ops *ops = rkmtd_get_ops(dev); + + if (!ops->detach_mtd) + return -ENOSYS; + + if (dev == rkmtd_get_cur_dev()) + rkmtd_set_cur_dev(NULL); + + return ops->detach_mtd(dev); +} + +static void rkmtd_drv_kmalloc_release(struct udevice *dev, void *res) +{ + /* noop */ +} + +int rkmtd_create_device(const char *label, struct udevice **devp) +{ + char dev_name[30], *str, *label_new; + struct udevice *dev, *blk; + struct rkmtd_dev *plat; + int ret; + + /* unbind any existing device with this label */ + dev = rkmtd_find_by_label(label); + if (dev) { + ret = rkmtd_detach(dev); + if (ret) + return log_msg_ret("det", ret); + + ret = device_unbind(dev); + if (ret) + return log_msg_ret("unb", ret); + } + + snprintf(dev_name, sizeof(dev_name), "rkmtd-%s", label); + + str = devres_alloc(rkmtd_drv_kmalloc_release, strlen(dev_name) + 1, GFP_KERNEL); + if (unlikely(!str)) + return -ENOMEM; + + strcpy(str, dev_name); + + ret = device_bind_driver(dm_root(), "rkmtd_drv", str, &dev); + if (ret) { + free(str); + return log_msg_ret("drv", ret); + } + + devres_add(dev, str); + + if (!blk_find_from_parent(dev, &blk)) { + struct blk_desc *desc = dev_get_uclass_plat(blk); + + desc->removable = true; + } + + label_new = devm_kzalloc(dev, strlen(label) + 1, GFP_KERNEL); + if (!label_new) + return -ENOMEM; + + strcpy(label_new, label); + + plat = dev_get_plat(dev); + plat->label = label_new; + *devp = dev; + + return 0; +} + +int rkmtd_create_attach_mtd(const char *label, struct udevice **devp) +{ + struct udevice *dev; + int ret; + + ret = rkmtd_create_device(label, &dev); + if (ret) + return log_msg_ret("cre", ret); + + ret = rkmtd_attach(dev); + if (ret) { + device_unbind(dev); + return log_msg_ret("att", ret); + } + *devp = dev; + + return 0; +} + +UCLASS_DRIVER(rkmtd) = { + .name = "rkmtd", + .id = UCLASS_RKMTD, + .post_bind = dm_scan_fdt_dev, + .priv_auto = sizeof(struct rkmtd_priv), +}; diff --git a/include/rkmtd.h b/include/rkmtd.h new file mode 100644 index 000000000000..145fede6c840 --- /dev/null +++ b/include/rkmtd.h @@ -0,0 +1,191 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Driver interface derived from: + * /include/sandbox_host.h + * Copyright 2022 Google LLC + * + * Copyright 2023 Johan Jonker jbx6244@gmail.com + */ + +#ifndef __RKMTD__ +#define __RKMTD__ + +#include <part_efi.h> +#include <uuid.h> + +#define LBA 64 + 512 + 33 + +#define RK_TAG 0xFCDC8C3B +#define NFC_SYS_DATA_SIZE 4 +#define BLK_SIZE 2048 +#define STEP_SIZE 1024 +#define BUF_SIZE 512 * 512 + +struct nand_para_info { + u8 id_bytes; + u8 nand_id[6]; + u8 vendor; + u8 die_per_chip; + u8 sec_per_page; + u16 page_per_blk; + u8 cell; + u8 plane_per_die; + u16 blk_per_plane; + u16 operation_opt; + u8 lsb_mode; + u8 read_retry_mode; + u8 ecc_bits; + u8 access_freq; + u8 opt_mode; + u8 die_gap; + u8 bad_block_mode; + u8 multi_plane_mode; + u8 slc_mode; + u8 reserved[5]; +}; + +struct bootblk { + int blk; + int boot_size; + int offset; +}; + +struct rkmtd_dev { + struct udevice *dev; + struct blk_desc *desc; + char *label; + legacy_mbr *mbr; + gpt_header *gpt_h; + gpt_header *gpt_h2; + gpt_entry *gpt_e; + char *check; + char *idb; + char *str; + char uuid_part_str[UUID_STR_LEN + 1]; + char uuid_disk_str[UUID_STR_LEN + 1]; + char *datbuf; + char *oobbuf; + struct mtd_info *mtd; + struct nand_para_info *info; + u16 page_table[512]; + u32 idb_need_write_back; + struct bootblk idblock[5]; + u32 blk_counter; + u32 boot_blks; + u32 offset; + u32 boot_size; + u32 lsb_mode; +}; + +struct sector0 { + u32 magic; + u8 reserved[4]; + u32 rc4_flag; + u16 boot_code1_offset; + u16 boot_code2_offset; + u8 reserved1[490]; + u16 flash_data_size; + u16 flash_boot_size; + u8 reserved2[2]; +} __packed; + +/** + * rkmtd_rc4() - Rockchip specific RC4 Encryption Algorithm + * + * Encrypt Rockchip boot block header version 1 and data + * + * @buf: Pointer to data buffer + * @len: Data buffer size + */ +void rkmtd_rc4(u8 *buf, u32 len); + +/** + * struct rkmtd_ops - operations supported by UCLASS_RKMTD + */ +struct rkmtd_ops { + /** + * @attach_mtd: - Attach a new rkmtd driver to the device structure + * + * @attach_mtd.dev: Device to update + * @attach_mtd.Returns: 0 if OK, -EEXIST if a driver is already attached, + * other -ve on other error + */ + int (*attach_mtd)(struct udevice *dev); + + /** + * @detach_mtd: - Detach a rkmtd driver from the device structure + * + * @detach_mtd.dev: Device to detach from + * @detach_mtd.Returns: 0 if OK, -ENOENT if no driver is attached, + * other -ve on other error + */ + int (*detach_mtd)(struct udevice *dev); +}; + +#define rkmtd_get_ops(dev) ((struct rkmtd_ops *)(dev)->driver->ops) + +/** + * rkmtd_get_cur_dev() - Get the current device + * + * Returns current device, or NULL if none + */ +struct udevice *rkmtd_get_cur_dev(void); + +/** + * rkmtd_set_cur_dev() - Set the current device + * + * Sets the current device, or clears it if @dev is NULL + * + * @dev: Device to set as the current one + */ +void rkmtd_set_cur_dev(struct udevice *dev); + +/** + * rkmtd_find_by_label() - Find a rkmtd device by label + * + * Searches all rkmtd devices to find one with the given label + * + * @label: Label to find + * Returns: associated device, or NULL if not found + */ +struct udevice *rkmtd_find_by_label(const char *label); + +/** + * rkmtd_attach() - Attach a new rkmtd driver to the device structure + * + * @dev: Device to update + * Returns: 0 if OK, -EEXIST if a file is already attached, other -ve on + * other error + */ +int rkmtd_attach(struct udevice *dev); + +/** + * rkmtd_detach() - Detach a rkmtd driver from the device structure + * + * @dev: Device to detach from + * Returns: 0 if OK, -ENOENT if no file is attached, other -ve on other + * error + */ +int rkmtd_detach(struct udevice *dev); + +/** + * rkmtd_create_device() - Create a new rkmtd device + * + * Any existing device with the same label is removed and unbound first + * + * @label: Label of the attachment, e.g. "test1" + * @devp: Returns the device created, on success + * Returns: 0 if OK, -ve on error + */ +int rkmtd_create_device(const char *label, struct udevice **devp); + +/** + * rkmtd_create_attach_mtd() - Create a new rkmtd device and attach driver + * + * @label: Label of the attachment, e.g. "test1" + * @devp: Returns the device created, on success + * Returns: 0 if OK, -ve on error + */ +int rkmtd_create_attach_mtd(const char *label, struct udevice **devp); + +#endif /* __RKMTD__ */ -- 2.39.2