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 <jbx6...@gmail.com>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>
---
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 | 1135 ++++++++++++++++++++++++++++++++++++++++
include/rkmtd.h | 191 +++++++
4 files changed, 1335 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..c17d320ebce3
--- /dev/null
+++ b/drivers/block/rkmtd.c
@@ -0,0 +1,1135 @@
+// 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_arm_v7.S
+ * 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 <s...@chromium.org>
+ *
+ * Copyright (C) 2023 Johan Jonker <jbx6...@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 int rkmtd_bind(struct udevice *dev)
+{
+ struct rkmtd_dev *plat = dev_get_plat(dev);
+ struct udevice *bdev;
+ struct blk_desc *desc;
+ int ret;
+
+ ret = blk_create_devicef(dev, "rkmtd_blk", "blk", UCLASS_RKMTD,
+ -1, 512, 0, &bdev);
+ if (ret)
+ return log_msg_ret("blk", ret);
+
+ desc = dev_get_uclass_plat(bdev);
+ desc->lba = LBA;
+ 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_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 rkmtd_dev *plat;
+ struct udevice *dev, *blk;
+ 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_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 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 <jbx6...@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
