ENGR00315499-4: Add support for i.MX6 Plugin images

Support generating plugin images. Make sure not to effect the size
of DCD images.

Signed-off-by: Nitin Garg <nitin.garg@freescale.com>

7 files changed, 853 insertions, 52 deletions

diff --git a/arch/arm/include/asm/arch-mx6/mx6_plugin.S b/arch/arm/include/asm/arch-mx6/mx6_plugin.S
new file mode 100644
index 0000000..6ee5645
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx6/mx6_plugin.S
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2012-2013 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <config.h>
+
+#define ROM_API_TABLE_BASE_ADDR_LEGACY		0xC0
+#define ROM_API_TABLE_BASE_ADDR_MX6DQ_TO15	0xC4
+#define ROM_API_TABLE_BASE_ADDR_MX6DL_TO12	0xC4
+#define ROM_API_HWCNFG_SETUP_OFFSET		0x08
+#define ROM_VERSION_OFFSET			0x48
+#define ROM_VERSION_TO12			0x12
+#define ROM_VERSION_TO15			0x15
+
+plugin_start:
+
+	push    {r0-r4, lr}
+
+	imx6_ddr_setting
+	imx6_clock_gating
+	imx6_qos_setting
+
+/*
+ * The following is to fill in those arguments for this ROM function
+ * pu_irom_hwcnfg_setup(void **start, size_t *bytes, const void *boot_data)
+ * This function is used to copy data from the storage media into DDR.
+ * start - Initial (possibly partial) image load address on entry.
+ *         Final image load address on exit.
+ * bytes - Initial (possibly partial) image size on entry.
+ *         Final image size on exit.
+ * boot_data - Initial @ref ivt Boot Data load address.
+ */
+	adr r0, boot_data2
+	adr r1, image_len2
+	adr r2, boot_data2
+
+#ifdef CONFIG_SYS_BOOT_EIMNOR
+	ldr r3, =0x00900800
+	ldr r4, =0x08000000
+	str r4, [r3, #0xc0]
+#endif
+
+/*
+ * check the _pu_irom_api_table for the address
+ */
+before_calling_rom___pu_irom_hwcnfg_setup:
+	ldr r3, =ROM_VERSION_OFFSET
+	ldr r4, [r3]
+#if defined(CONFIG_MX6SOLO) || defined(CONFIG_MX6DL)
+	ldr r3, =ROM_VERSION_TO12
+	cmp r4, r3
+	ldrge r3, =ROM_API_TABLE_BASE_ADDR_MX6DL_TO12
+	ldrlt r3, =ROM_API_TABLE_BASE_ADDR_LEGACY
+#elif defined(CONFIG_MX6Q)
+	ldr r3, =ROM_VERSION_TO15
+	cmp r4, r3
+	ldrge r3, =ROM_API_TABLE_BASE_ADDR_MX6DQ_TO15
+	ldrlt r3, =ROM_API_TABLE_BASE_ADDR_LEGACY
+#else
+	ldr r3, =ROM_API_TABLE_BASE_ADDR_LEGACY
+#endif
+	ldr r4, [r3, #ROM_API_HWCNFG_SETUP_OFFSET]
+	blx r4
+after_calling_rom___pu_irom_hwcnfg_setup:
+
+
+/* To return to ROM from plugin, we need to fill in these argument.
+ * Here is what need to do:
+ * Need to construct the paramters for this function before return to ROM:
+ * plugin_download(void **start, size_t *bytes, UINT32 *ivt_offset)
+ */
+	pop {r0-r4, lr}
+	ldr r5, boot_data2
+	str r5, [r0]
+	ldr r5, image_len2
+	str r5, [r1]
+	ldr r5, second_ivt_offset
+	str r5, [r2]
+	mov r0, #1
+
+	/* return back to ROM code */
+	bx lr
+
+/* make the following data right in the end of the output*/
+.ltorg
+
+#ifdef CONFIG_SYS_BOOT_EIMNOR
+#define FLASH_OFFSET 0x1000
+#else
+#define FLASH_OFFSET 0x400
+#endif
+
+/*
+ * second_ivt_offset is the offset from the "second_ivt_header" to
+ * "image_copy_start", which involves FLASH_OFFSET, plus the first
+ * ivt_header, the plugin code size itself recorded by "ivt2_header"
+ */
+
+second_ivt_offset:      .long (ivt2_header + 0x2C + FLASH_OFFSET)
+
+/*
+ * The following is the second IVT header plus the second boot data
+ */
+ivt2_header:            .long 0x0
+app2_code_jump_v:       .long 0x0
+reserv3:                .long 0x0
+dcd2_ptr:               .long 0x0
+boot_data2_ptr:         .long 0x0
+self_ptr2:              .long 0x0
+app_code_csf2:          .long 0x0
+reserv4:                .long 0x0
+boot_data2:             .long 0x0
+image_len2:             .long 0x0
+plugin2:                .long 0x0
diff --git a/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg b/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
index bb6c60b..93d6209 100644
--- a/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
+++ b/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
@@ -10,6 +10,8 @@
  * The syntax is taken as close as possible with the kwbimage
  */
 
+#define __ASSEMBLY__
+#include <config.h>
 /* image version */
 IMAGE_VERSION 2
 
@@ -19,6 +21,11 @@ IMAGE_VERSION 2
  */
 BOOT_FROM      sd
 
+#ifdef CONFIG_USE_PLUGIN
+/*PLUGIN    plugin-binary-file    IRAM_FREE_START_ADDR*/
+PLUGIN	board/freescale/mx6sabresd/plugin.bin 0x00907000
+#else
+
 /*
  * Device Configuration Data (DCD)
  *
@@ -167,3 +174,4 @@ DATA 4 0x020e001c 0x007F007F
  * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
  */
 DATA 4 0x020c4060 0x000000fb
+#endif
diff --git a/board/freescale/mx6sabresd/Makefile b/board/freescale/mx6sabresd/Makefile
index cfca2ef..c5446c9 100644
--- a/board/freescale/mx6sabresd/Makefile
+++ b/board/freescale/mx6sabresd/Makefile
@@ -7,3 +7,7 @@
 #
 
 obj-y  := mx6sabresd.o
+
+extra-$(CONFIG_USE_PLUGIN) :=  plugin.bin
+$(obj)/plugin.bin: $(obj)/plugin.o
+	$(OBJCOPY) -O binary --gap-fill 0xff $< $@
diff --git a/board/freescale/mx6sabresd/plugin.S b/board/freescale/mx6sabresd/plugin.S
new file mode 100644
index 0000000..e743cda
--- /dev/null
+++ b/board/freescale/mx6sabresd/plugin.S
@@ -0,0 +1,491 @@
+/*
+ * Copyright (C) 2012-2013 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <config.h>
+
+/* DDR script */
+.macro imx6dqsabresd_ddr_setting
+	ldr r0, =IOMUXC_BASE_ADDR
+	ldr r1, =0x000c0000
+	str r1, [r0, #0x798]
+	ldr r1, =0x00000000
+	str r1, [r0, #0x758]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x588]
+	str r1, [r0, #0x594]
+	str r1, [r0, #0x56c]
+	str r1, [r0, #0x578]
+	str r1, [r0, #0x74c]
+	str r1, [r0, #0x57c]
+
+	ldr r1, =0x00000000
+	str r1, [r0, #0x58c]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x59c]
+	str r1, [r0, #0x5a0]
+	str r1, [r0, #0x78c]
+
+	ldr r1, =0x00020000
+	str r1, [r0, #0x750]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x5a8]
+	str r1, [r0, #0x5b0]
+	str r1, [r0, #0x524]
+	str r1, [r0, #0x51c]
+	str r1, [r0, #0x518]
+	str r1, [r0, #0x50c]
+	str r1, [r0, #0x5b8]
+	str r1, [r0, #0x5c0]
+
+	ldr r1, =0x00020000
+	str r1, [r0, #0x774]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x784]
+	str r1, [r0, #0x788]
+	str r1, [r0, #0x794]
+	str r1, [r0, #0x79c]
+	str r1, [r0, #0x7a0]
+	str r1, [r0, #0x7a4]
+	str r1, [r0, #0x7a8]
+	str r1, [r0, #0x748]
+	str r1, [r0, #0x5ac]
+	str r1, [r0, #0x5b4]
+	str r1, [r0, #0x528]
+	str r1, [r0, #0x520]
+	str r1, [r0, #0x514]
+	str r1, [r0, #0x510]
+	str r1, [r0, #0x5bc]
+	str r1, [r0, #0x5c4]
+
+	ldr r0, =MMDC_P0_BASE_ADDR
+	ldr r2, =0xa1390003
+	str r2, [r0, #0x800]
+
+	ldr r2, =0x001F001F
+	str r2, [r0, #0x80c]
+	str r2, [r0, #0x810]
+	ldr r1, =MMDC_P1_BASE_ADDR
+	str r2, [r1, #0x80c]
+	str r2, [r1, #0x810]
+
+	ldr r2, =0x43270338
+	str r2, [r0, #0x83c]
+	ldr r2, =0x03200314
+	str r2, [r0, #0x840]
+
+	ldr r2, =0x431A032F
+	str r2, [r1, #0x83c]
+	ldr r2, =0x03200263
+	str r2, [r1, #0x840]
+
+	ldr r2, =0x4B434748
+	str r2, [r0, #0x848]
+	ldr r2, =0x4445404C
+	str r2, [r1, #0x848]
+
+	ldr r2, =0x38444542
+	str r2, [r0, #0x850]
+	ldr r2, =0x4935493A
+	str r2, [r1, #0x850]
+
+	ldr r2, =0x33333333
+	str r2, [r0, #0x81c]
+	str r2, [r0, #0x820]
+	str r2, [r0, #0x824]
+	str r2, [r0, #0x828]
+	str r2, [r1, #0x81c]
+	str r2, [r1, #0x820]
+	str r2, [r1, #0x824]
+	str r2, [r1, #0x828]
+
+	ldr r2, =0x00000800
+	str r2, [r0, #0x8b8]
+	str r2, [r1, #0x8b8]
+
+	ldr r2, =0x00020036
+	str r2, [r0, #0x004]
+	ldr r2, =0x09444040
+	str r2, [r0, #0x008]
+
+	ldr r2, =0x555A7975
+	str r2, [r0, #0x00c]
+	ldr r2, =0xFF538F64
+	str r2, [r0, #0x010]
+
+	ldr r2, =0x01FF00DB
+	str r2, [r0, #0x014]
+	ldr r2, =0x00001740
+	str r2, [r0, #0x018]
+
+	ldr r2, =0x00008000
+	str r2, [r0, #0x01c]
+	ldr r2, =0x000026d2
+	str r2, [r0, #0x02c]
+	ldr r2, =0x005A1023
+	str r2, [r0, #0x030]
+	ldr r2, =0x00000027
+	str r2, [r0, #0x040]
+
+	ldr r2, =0x831A0000
+	str r2, [r0, #0x000]
+
+	ldr r2, =0x04088032
+	str r2, [r0, #0x01c]
+	ldr r2, =0x00008033
+	str r2, [r0, #0x01c]
+	ldr r2, =0x00048031
+	str r2, [r0, #0x01c]
+	ldr r2, =0x09408030
+	str r2, [r0, #0x01c]
+	ldr r2, =0x04008040
+	str r2, [r0, #0x01c]
+
+	ldr r2, =0x00005800
+	str r2, [r0, #0x020]
+	ldr r2, =0x00011117
+	str r2, [r0, #0x818]
+	str r2, [r1, #0x818]
+	ldr r2, =0x00025576
+	str r2, [r0, #0x004]
+	ldr r2, =0x00011006
+	str r2, [r0, #0x404]
+	ldr r2, =0x00000000
+	str r2, [r0, #0x01c]
+.endm
+
+.macro imx6dlsabresd_ddr_setting
+	ldr r0, =IOMUXC_BASE_ADDR
+	ldr r1, =0x000c0000
+	str r1, [r0, #0x774]
+	ldr r1, =0x00000000
+	str r1, [r0, #0x754]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x4ac]
+	str r1, [r0, #0x4b0]
+	str r1, [r0, #0x464]
+	str r1, [r0, #0x490]
+	str r1, [r0, #0x74c]
+	str r1, [r0, #0x494]
+
+	ldr r1, =0x00000000
+	str r1, [r0, #0x4a0]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x4b4]
+	str r1, [r0, #0x4b8]
+	str r1, [r0, #0x76c]
+
+	ldr r1, =0x00020000
+	str r1, [r0, #0x750]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x4bc]
+	str r1, [r0, #0x4c0]
+	str r1, [r0, #0x4c4]
+	str r1, [r0, #0x4c8]
+	str r1, [r0, #0x4cc]
+	str r1, [r0, #0x4d0]
+	str r1, [r0, #0x4d4]
+	str r1, [r0, #0x4d8]
+
+	ldr r1, =0x00020000
+	str r1, [r0, #0x760]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x764]
+	str r1, [r0, #0x770]
+	str r1, [r0, #0x778]
+	str r1, [r0, #0x77c]
+	str r1, [r0, #0x780]
+	str r1, [r0, #0x784]
+	str r1, [r0, #0x78c]
+	str r1, [r0, #0x748]
+	str r1, [r0, #0x470]
+	str r1, [r0, #0x474]
+	str r1, [r0, #0x478]
+	str r1, [r0, #0x47c]
+	str r1, [r0, #0x480]
+	str r1, [r0, #0x484]
+	str r1, [r0, #0x488]
+	str r1, [r0, #0x48c]
+
+	ldr r0, =MMDC_P0_BASE_ADDR
+	ldr r2, =0xa1390003
+	str r2, [r0, #0x800]
+
+	ldr r2, =0x001f001f
+	str r2, [r0, #0x80c]
+	str r2, [r0, #0x810]
+	ldr r1, =MMDC_P1_BASE_ADDR
+	str r2, [r1, #0x80c]
+	str r2, [r1, #0x810]
+
+	ldr r2, =0x4220021F
+	str r2, [r0, #0x83c]
+	ldr r2, =0x0207017E
+	str r2, [r0, #0x840]
+
+	ldr r2, =0x4201020C
+	str r2, [r1, #0x83c]
+	ldr r2, =0x01660172
+	str r2, [r1, #0x840]
+
+	ldr r2, =0x4A4D4E4D
+	str r2, [r0, #0x848]
+	ldr r2, =0x4A4F5049
+	str r2, [r1, #0x848]
+
+	ldr r2, =0x3F3C3D31
+	str r2, [r0, #0x850]
+	ldr r2, =0x3238372B
+	str r2, [r1, #0x850]
+
+	ldr r2, =0x33333333
+	str r2, [r0, #0x81c]
+	str r2, [r0, #0x820]
+	str r2, [r0, #0x824]
+	str r2, [r0, #0x828]
+	str r2, [r1, #0x81c]
+	str r2, [r1, #0x820]
+	str r2, [r1, #0x824]
+	str r2, [r1, #0x828]
+
+	ldr r2, =0x00000800
+	str r2, [r0, #0x8b8]
+	str r2, [r1, #0x8b8]
+
+	ldr r2, =0x0002002D
+	str r2, [r0, #0x004]
+	ldr r2, =0x00333030
+	str r2, [r0, #0x008]
+
+	ldr r2, =0x3F435313
+	str r2, [r0, #0x00c]
+	ldr r2, =0xB66E8B63
+	str r2, [r0, #0x010]
+
+	ldr r2, =0x01FF00DB
+	str r2, [r0, #0x014]
+	ldr r2, =0x00001740
+	str r2, [r0, #0x018]
+
+	ldr r2, =0x00008000
+	str r2, [r0, #0x01c]
+	ldr r2, =0x000026d2
+	str r2, [r0, #0x02c]
+	ldr r2, =0x00431023
+	str r2, [r0, #0x030]
+	ldr r2, =0x00000027
+	str r2, [r0, #0x040]
+
+	ldr r2, =0x831A0000
+	str r2, [r0, #0x000]
+
+	ldr r2, =0x04008032
+	str r2, [r0, #0x01c]
+	ldr r2, =0x00008033
+	str r2, [r0, #0x01c]
+	ldr r2, =0x00048031
+	str r2, [r0, #0x01c]
+	ldr r2, =0x05208030
+	str r2, [r0, #0x01c]
+	ldr r2, =0x04008040
+	str r2, [r0, #0x01c]
+
+	ldr r2, =0x00005800
+	str r2, [r0, #0x020]
+	ldr r2, =0x00011117
+	str r2, [r0, #0x818]
+	str r2, [r1, #0x818]
+	ldr r2, =0x0002556D
+	str r2, [r0, #0x004]
+	ldr r2, =0x00011006
+	str r2, [r0, #0x404]
+	ldr r2, =0x00000000
+	str r2, [r0, #0x01c]
+.endm
+
+.macro imx6solosabresd_ddr_setting
+	ldr r0, =IOMUXC_BASE_ADDR
+	ldr r1, =0x000c0000
+	str r1, [r0, #0x774]
+	ldr r1, =0x00000000
+	str r1, [r0, #0x754]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x4ac]
+	str r1, [r0, #0x4b0]
+	str r1, [r0, #0x464]
+	str r1, [r0, #0x490]
+	str r1, [r0, #0x74c]
+	str r1, [r0, #0x494]
+
+	ldr r1, =0x00000000
+	str r1, [r0, #0x4a0]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x4b4]
+	str r1, [r0, #0x4b8]
+	str r1, [r0, #0x76c]
+
+	ldr r1, =0x00020000
+	str r1, [r0, #0x750]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x4bc]
+	str r1, [r0, #0x4c0]
+	str r1, [r0, #0x4c4]
+	str r1, [r0, #0x4c8]
+
+	ldr r1, =0x00020000
+	str r1, [r0, #0x760]
+
+	ldr r1, =0x00000030
+	str r1, [r0, #0x764]
+	str r1, [r0, #0x770]
+	str r1, [r0, #0x778]
+	str r1, [r0, #0x77c]
+	str r1, [r0, #0x470]
+	str r1, [r0, #0x474]
+	str r1, [r0, #0x478]
+	str r1, [r0, #0x47c]
+
+	ldr r0, =MMDC_P0_BASE_ADDR
+	ldr r2, =0xa1390003
+	str r2, [r0, #0x800]
+
+	ldr r2, =0x001F001F
+	str r2, [r0, #0x80c]
+	str r2, [r0, #0x810]
+
+	ldr r2, =0x42190219
+	str r2, [r0, #0x83c]
+	ldr r2, =0x017B0177
+	str r2, [r0, #0x840]
+
+	ldr r2, =0x4B4D4E4D
+	str r2, [r0, #0x848]
+
+	ldr r2, =0x3F3E2D36
+	str r2, [r0, #0x850]
+
+	ldr r2, =0x33333333
+	str r2, [r0, #0x81c]
+	str r2, [r0, #0x820]
+	str r2, [r0, #0x824]
+	str r2, [r0, #0x828]
+
+	ldr r2, =0x00000800
+	str r2, [r0, #0x8b8]
+
+	ldr r2, =0x0002002D
+	str r2, [r0, #0x004]
+	ldr r2, =0x00333030
+	str r2, [r0, #0x008]
+
+	ldr r2, =0x3F435313
+	str r2, [r0, #0x00c]
+	ldr r2, =0xB66E8B63
+	str r2, [r0, #0x010]
+
+	ldr r2, =0x01FF00DB
+	str r2, [r0, #0x014]
+	ldr r2, =0x00001740
+	str r2, [r0, #0x018]
+
+	ldr r2, =0x00008000
+	str r2, [r0, #0x01c]
+	ldr r2, =0x000026d2
+	str r2, [r0, #0x02c]
+	ldr r2, =0x00431023
+	str r2, [r0, #0x030]
+	ldr r2, =0x00000017
+	str r2, [r0, #0x040]
+
+	ldr r2, =0x83190000
+	str r2, [r0, #0x000]
+
+	ldr r2, =0x04008032
+	str r2, [r0, #0x01c]
+	ldr r2, =0x00008033
+	str r2, [r0, #0x01c]
+	ldr r2, =0x00048031
+	str r2, [r0, #0x01c]
+	ldr r2, =0x05208030
+	str r2, [r0, #0x01c]
+	ldr r2, =0x04008040
+	str r2, [r0, #0x01c]
+
+	ldr r2, =0x00005800
+	str r2, [r0, #0x020]
+	ldr r2, =0x00011117
+	str r2, [r0, #0x818]
+	ldr r2, =0x0002556D
+	str r2, [r0, #0x004]
+	ldr r2, =0x00011006
+	str r2, [r0, #0x404]
+	ldr r2, =0x00000000
+	str r2, [r0, #0x01c]
+.endm
+.macro imx6_clock_gating
+	ldr r0, =CCM_BASE_ADDR
+	ldr r1, =0x00C03F3F
+	str r1, [r0, #0x068]
+	ldr r1, =0x0030FC03
+	str r1, [r0, #0x06c]
+	ldr r1, =0x0FFFC000
+	str r1, [r0, #0x070]
+	ldr r1, =0x3FF00000
+	str r1, [r0, #0x074]
+	ldr r1, =0x00FFF300
+	str r1, [r0, #0x078]
+	ldr r1, =0x0F0000C3
+	str r1, [r0, #0x07c]
+	ldr r1, =0x000003FF
+	str r1, [r0, #0x080]
+.endm
+
+.macro imx6_qos_setting
+	ldr r0, =IOMUXC_BASE_ADDR
+	ldr r1, =0xF00000CF
+	str r1, [r0, #0x10]
+
+	ldr r1, =0x007F007F
+	str r1, [r0, #0x18]
+	str r1, [r0, #0x1c]
+.endm
+
+.macro imx6_ddr_setting
+#if defined (CONFIG_MX6SOLO)
+	imx6solosabresd_ddr_setting
+#elif defined (CONFIG_MX6DL)
+	imx6dlsabresd_ddr_setting
+#elif defined (CONFIG_MX6Q)
+	imx6dqsabresd_ddr_setting
+#else
+	#error "SOC not configured"
+#endif
+
+.endm
+
+/* include the common plugin code here */
+#include <asm/arch/mx6_plugin.S>
diff --git a/include/configs/mx6sabre_common.h b/include/configs/mx6sabre_common.h
index d1bf3bc..9686588 100644
--- a/include/configs/mx6sabre_common.h
+++ b/include/configs/mx6sabre_common.h
@@ -33,6 +33,8 @@
 #define CONFIG_BOARD_LATE_INIT
 #define CONFIG_MXC_GPIO
 
+/* #define CONFIG_USE_PLUGIN */
+
 #define CONFIG_MXC_UART
 
 #define CONFIG_CMD_FUSE
diff --git a/tools/imximage.c b/tools/imximage.c
index 18dc051..91b2e8e 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -24,6 +24,9 @@ static table_entry_t imximage_cmds[] = {
 	{CMD_DATA,              "DATA",                 "Reg Write Data", },
 	{CMD_CSF,               "CSF",           "Command Sequence File", },
 	{CMD_IMAGE_VERSION,     "IMAGE_VERSION",        "image version",  },
+#ifdef CONFIG_USE_PLUGIN
+	{CMD_PLUGIN,            "PLUGIN",               "file plugin_addr",  },
+#endif
 	{-1,                    "",                     "",	          },
 };
 
@@ -75,6 +78,8 @@ static uint32_t imximage_ivt_offset = UNDEFINED;
 static uint32_t imximage_csf_size = UNDEFINED;
 /* Initial Load Region Size */
 static uint32_t imximage_init_loadsize;
+static uint32_t imximage_iram_free_start;
+static uint32_t imximage_plugin_size;
 
 static set_dcd_val_t set_dcd_val;
 static set_dcd_rst_t set_dcd_rst;
@@ -112,7 +117,11 @@ static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
 
 	/* Try to detect V2 */
 	if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
-		(hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
+		(hdr_v2->data.dcd_table.header.tag == DCD_HEADER_TAG))
+		return IMXIMAGE_V2;
+
+	if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
+		hdr_v2->boot_data.plugin)
 		return IMXIMAGE_V2;
 
 	return IMXIMAGE_VER_INVALID;
@@ -157,7 +166,7 @@ static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
 					int fld, uint32_t value, uint32_t off)
 {
-	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
+	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
 
 	switch (fld) {
 	case CFG_REG_ADDRESS:
@@ -192,16 +201,18 @@ static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 						char *name, int lineno)
 {
-	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
-
-	dcd_v2->header.tag = DCD_HEADER_TAG;
-	dcd_v2->header.length = cpu_to_be16(
-			dcd_len * sizeof(dcd_addr_data_t) + 8);
-	dcd_v2->header.version = DCD_VERSION;
-	dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
-	dcd_v2->write_dcd_command.length = cpu_to_be16(
-			dcd_len * sizeof(dcd_addr_data_t) + 4);
-	dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
+	if (!imxhdr->header.hdr_v2.boot_data.plugin) {
+		dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
+
+		dcd_v2->header.tag = DCD_HEADER_TAG;
+		dcd_v2->header.length = cpu_to_be16(
+				dcd_len * sizeof(dcd_addr_data_t) + 8);
+		dcd_v2->header.version = DCD_VERSION;
+		dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
+		dcd_v2->write_dcd_command.length = cpu_to_be16(
+				dcd_len * sizeof(dcd_addr_data_t) + 4);
+		dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
+	}
 }
 
 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
@@ -243,20 +254,87 @@ static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
 	fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
 	fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
 
-	fhdr_v2->entry = entry_point;
-	fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
-	hdr_base = entry_point - imximage_init_loadsize +
-		flash_offset;
-	fhdr_v2->self = hdr_base;
-	fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table);
-	fhdr_v2->boot_data_ptr = hdr_base
-			+ offsetof(imx_header_v2_t, boot_data);
-	hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
+	if (!hdr_v2->boot_data.plugin) {
+		fhdr_v2->entry = entry_point;
+		fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
+		hdr_base = entry_point - imximage_init_loadsize +
+			flash_offset;
+		fhdr_v2->self = hdr_base;
+		fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, data);
+		fhdr_v2->boot_data_ptr = hdr_base
+				+ offsetof(imx_header_v2_t, boot_data);
+		hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
+
+		fhdr_v2->csf = 0;
+
+		header_size_ptr = &hdr_v2->boot_data.size;
+		csf_ptr = &fhdr_v2->csf;
+	} else {
+		imx_header_v2_t *next_hdr_v2;
+		flash_header_v2_t *next_fhdr_v2;
+
+		if(imximage_csf_size != 0) {
+			fprintf(stderr, "Error: Header v2: SECURE_BOOT"
+					"is only supported in DCD mode!");
+			exit(EXIT_FAILURE);
+		}
+
+		fhdr_v2->entry = imximage_iram_free_start +
+			flash_offset + sizeof(flash_header_v2_t) +
+			sizeof(boot_data_t);
+
+		fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
+		fhdr_v2->self = imximage_iram_free_start + flash_offset;
+
+		fhdr_v2->dcd_ptr = 0;
+
+		fhdr_v2->boot_data_ptr = fhdr_v2->self +
+				offsetof(imx_header_v2_t, boot_data);
 
-	fhdr_v2->csf = 0;
+		hdr_v2->boot_data.start = imximage_iram_free_start;
+		/*
+		 * The actural size of plugin image is "imximage_plugin_size +
+		 * sizeof(flash_header_v2_t) + sizeof(boot_data_t)", plus the
+		 * flash_offset space.The ROM code only need to copy this size
+		 * to run the plugin code. However, later when copy the whole
+		 * U-Boot image to DDR, the ROM code use memcpy to copy the
+		 * first part of the image, and use the storage read function
+		 * to get the remaining part. This requires the dividing point
+		 * must be multiple of storage sector size. Here we set the
+		 * first section to be 16KB for this purpose.
+		 */
+		hdr_v2->boot_data.size = MAX_PLUGIN_CODE_SIZE;
+
+		/* Security feature are not supported */
+		fhdr_v2->csf = 0;
+
+		next_hdr_v2 = (imx_header_v2_t *)((char*)hdr_v2 +
+				imximage_plugin_size);
+
+		next_fhdr_v2 = &next_hdr_v2->fhdr;
+
+		next_fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
+		next_fhdr_v2->header.length =
+			cpu_to_be16(sizeof(flash_header_v2_t));
+		next_fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
 
-	header_size_ptr = &hdr_v2->boot_data.size;
-	csf_ptr = &fhdr_v2->csf;
+		next_fhdr_v2->entry = entry_point;
+		hdr_base = entry_point - sizeof(struct imx_header);
+		next_fhdr_v2->reserved1 = next_fhdr_v2->reserved2 = 0;
+		next_fhdr_v2->self = hdr_base + imximage_plugin_size;
+
+		next_fhdr_v2->dcd_ptr = 0;
+		next_fhdr_v2->boot_data_ptr = next_fhdr_v2->self +
+				offsetof(imx_header_v2_t, boot_data);
+
+		next_hdr_v2->boot_data.start = hdr_base - flash_offset;
+
+		header_size_ptr = &next_hdr_v2->boot_data.size;
+
+		next_hdr_v2->boot_data.plugin = 0;
+
+		next_fhdr_v2->csf = 0;
+	}
 }
 
 static void set_hdr_func(void)
@@ -312,16 +390,19 @@ static void print_hdr_v2(struct imx_header *imx_hdr)
 {
 	imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
 	flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
-	dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table;
-	uint32_t size, version;
+	dcd_v2_t *dcd_v2 = &hdr_v2->data.dcd_table;
+	uint32_t size, version, plugin;
 
-	size = be16_to_cpu(dcd_v2->header.length) - 8;
-	if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
+	plugin = hdr_v2->boot_data.plugin;
+	if (!plugin) {
+		size = be16_to_cpu(dcd_v2->header.length) - 8;
+		if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
 		fprintf(stderr,
 			"Error: Image corrupt DCD size %d exceed maximum %d\n",
 			(uint32_t)(size / sizeof(dcd_addr_data_t)),
 			MAX_HW_CFG_SIZE_V2);
 		exit(EXIT_FAILURE);
+		}
 	}
 
 	version = detect_imximage_version(imx_hdr);
@@ -329,18 +410,82 @@ static void print_hdr_v2(struct imx_header *imx_hdr)
 	printf("Image Type:   Freescale IMX Boot Image\n");
 	printf("Image Ver:    %x", version);
 	printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
-	printf("Data Size:    ");
-	genimg_print_size(hdr_v2->boot_data.size);
-	printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
-	printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
-	if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) &&
-	    (imximage_csf_size != UNDEFINED)) {
-		printf("HAB Blocks:   %08x %08x %08x\n",
-		       (uint32_t)fhdr_v2->self, 0,
-		       hdr_v2->boot_data.size - imximage_ivt_offset -
-		       imximage_csf_size);
+	printf("Mode:         %s\n", plugin ? "PLUGIN" : "DCD");
+	if (!plugin) {
+		printf("Data Size:    ");
+		genimg_print_size(hdr_v2->boot_data.size);
+		printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
+		printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
+		if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) &&
+		    (imximage_csf_size != UNDEFINED)) {
+			printf("HAB Blocks:   %08x %08x %08x\n",
+			       (uint32_t)fhdr_v2->self, 0,
+			       hdr_v2->boot_data.size - imximage_ivt_offset -
+			       imximage_csf_size);
+		}
+	} else {
+		imx_header_v2_t *next_hdr_v2;
+		flash_header_v2_t *next_fhdr_v2;
+
+		/*First Header*/
+		printf("Plugin Data Size:     ");
+		genimg_print_size(hdr_v2->boot_data.size);
+		printf("Plugin Code Size:     ");
+		genimg_print_size(imximage_plugin_size);
+		printf("Plugin Load Address:  %08x\n", hdr_v2->boot_data.start);
+		printf("Plugin Entry Point:   %08x\n",
+				(uint32_t)fhdr_v2->entry);
+
+		/*Second Header*/
+		next_hdr_v2 = (imx_header_v2_t *)((char*)hdr_v2 +
+				imximage_plugin_size);
+		next_fhdr_v2 = &next_hdr_v2->fhdr;
+		printf("U-Boot Data Size:     ");
+		genimg_print_size(next_hdr_v2->boot_data.size);
+		printf("U-Boot Load Address:  %08x\n", next_hdr_v2->boot_data.start);
+		printf("U-Boot Entry Point:   %08x\n",
+				(uint32_t)next_fhdr_v2->entry);
+	}
+}
+
+#ifdef CONFIG_USE_PLUGIN
+static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file)
+{
+	int ifd = -1;
+	struct stat sbuf;
+	char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code;
+	char *ptr;
+
+	ifd = open(plugin_file, O_RDONLY|O_BINARY);
+	if (fstat(ifd, &sbuf) < 0) {
+		fprintf(stderr, "Can't stat %s: %s\n",
+			plugin_file,
+			strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
+	if (ptr == MAP_FAILED) {
+		fprintf(stderr, "Can't read %s: %s\n",
+			plugin_file,
+			strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	if (sbuf.st_size > MAX_PLUGIN_CODE_SIZE) {
+		printf("plugin binary size too large\n");
+		exit(EXIT_FAILURE);
 	}
+
+	memcpy(plugin_buf, ptr, sbuf.st_size);
+	imximage_plugin_size = sbuf.st_size;
+
+	(void) munmap((void *)ptr, sbuf.st_size);
+	(void) close(ifd);
+
+	imxhdr->header.hdr_v2.boot_data.plugin = 1;
 }
+#endif
 
 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
 				char *name, int lineno, int fld, int dcd_len)
@@ -411,6 +556,11 @@ static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
 		if (unlikely(cmd_ver_first != 1))
 			cmd_ver_first = 0;
 		break;
+#ifdef CONFIG_USE_PLUGIN
+	case CMD_PLUGIN:
+		copy_plugin_code(imxhdr, token);
+		break;
+#endif
 	}
 }
 
@@ -434,20 +584,31 @@ static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
 		break;
 	case CFG_REG_ADDRESS:
 	case CFG_REG_VALUE:
-		if (*cmd != CMD_DATA)
-			return;
-
-		value = get_cfg_value(token, name, lineno);
-		(*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len);
-
-		if (fld == CFG_REG_VALUE) {
-			(*dcd_len)++;
-			if (*dcd_len > max_dcd_entries) {
-				fprintf(stderr, "Error: %s[%d] -"
-					"DCD table exceeds maximum size(%d)\n",
-					name, lineno, max_dcd_entries);
-				exit(EXIT_FAILURE);
+		switch (*cmd) {
+		case CMD_DATA:
+			value = get_cfg_value(token, name, lineno);
+			(*set_dcd_val)(imxhdr, name, lineno, fld, value,
+					*dcd_len);
+
+			if (fld == CFG_REG_VALUE) {
+				(*dcd_len)++;
+				if (*dcd_len > max_dcd_entries) {
+					fprintf(stderr, "Error: %s[%d] -"
+						"DCD table exceeds maximum\
+						size(%d)\n",
+						name, lineno, max_dcd_entries);
+					exit(EXIT_FAILURE);
+				}
 			}
+			break;
+#ifdef CONFIG_USE_PLUGIN
+		case CMD_PLUGIN:
+			value = get_cfg_value(token, name, lineno);
+			imximage_iram_free_start = value;
+			break;
+#endif
+		default:
+			return;
 		}
 		break;
 	default:
diff --git a/tools/imximage.h b/tools/imximage.h
index 01f861e..28ce671 100644
--- a/tools/imximage.h
+++ b/tools/imximage.h
@@ -8,7 +8,9 @@
 #ifndef _IMXIMAGE_H_
 #define _IMXIMAGE_H_
 
+#include <config.h>
 #define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
+#define MAX_PLUGIN_CODE_SIZE (16*1024)
 #define MAX_HW_CFG_SIZE_V1 60  /* Max number of registers imx can set for v1 */
 #define APP_CODE_BARKER	0xB1
 #define DCD_BARKER	0xB17219E9
@@ -54,6 +56,7 @@ enum imximage_cmd {
 	CMD_BOOT_OFFSET,
 	CMD_DATA,
 	CMD_CSF,
+	CMD_PLUGIN,
 };
 
 enum imximage_fld_types {
@@ -149,7 +152,12 @@ typedef struct {
 typedef struct {
 	flash_header_v2_t fhdr;
 	boot_data_t boot_data;
-	dcd_v2_t dcd_table;
+	union {
+		dcd_v2_t dcd_table;
+#ifdef CONFIG_USE_PLUGIN
+		char plugin_code[MAX_PLUGIN_CODE_SIZE];
+#endif
+	} data;
 } imx_header_v2_t;
 
 /* The header must be aligned to 4k on MX53 for NAND boot */