MLK-13525-2 mx7ulp_evk: Add plugin boot support

Add plugin boot support for EVK board. The DDR init codes are
updated to v1.2 DDR script.

Signed-off-by: Ye Li <ye.li@nxp.com>

4 files changed, 232 insertions, 2 deletions

diff --git a/board/freescale/mx7ulp_evk/Makefile b/board/freescale/mx7ulp_evk/Makefile
index c92c21e..5e19eb4 100644
--- a/board/freescale/mx7ulp_evk/Makefile
+++ b/board/freescale/mx7ulp_evk/Makefile
@@ -4,3 +4,7 @@
 #
 
 obj-y  := mx7ulp_evk.o
+
+extra-$(CONFIG_USE_PLUGIN) :=  plugin.bin
+$(obj)/plugin.bin: $(obj)/plugin.o
+	$(OBJCOPY) -O binary --gap-fill 0xff $< $@
diff --git a/board/freescale/mx7ulp_evk/imximage.cfg b/board/freescale/mx7ulp_evk/imximage.cfg
index 2064630..090e4a1 100644
--- a/board/freescale/mx7ulp_evk/imximage.cfg
+++ b/board/freescale/mx7ulp_evk/imximage.cfg
@@ -25,8 +25,7 @@ BOOT_FROM	sd
 
 #ifdef CONFIG_USE_PLUGIN
 /*PLUGIN    plugin-binary-file    IRAM_FREE_START_ADDR*/
-/*PLUGIN	board/freescale/mx7ulp_evk/plugin.bin 0x00910000*/
-#error  "PLUGIN not supported yet"
+PLUGIN	board/freescale/mx7ulp_evk/plugin.bin 0x2F020000
 #else
 
 #ifdef CONFIG_SECURE_BOOT
diff --git a/board/freescale/mx7ulp_evk/plugin.S b/board/freescale/mx7ulp_evk/plugin.S
new file mode 100644
index 0000000..9eab365
--- /dev/null
+++ b/board/freescale/mx7ulp_evk/plugin.S
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+
+.macro imx7ulp_ddr_freq_decrease
+	ldr r2, =0x403f0000
+	ldr r3, =0x00000000
+	str r3, [r2, #0xdc]
+
+	ldr r2, =0x403e0000
+	ldr r3, =0x01000020
+	str r3, [r2, #0x40]
+	ldr r3, =0x01000000
+	str r3, [r2, #0x500]
+	ldr r3, =0x80808080
+	str r3, [r2, #0x50c]
+	ldr r3, =0x00140000
+	str r3, [r2, #0x508]
+	ldr r3, =0x00000004
+	str r3, [r2, #0x510]
+	ldr r3, =0x00000002
+	str r3, [r2, #0x514]
+	ldr r3, =0x00000001
+	str r3, [r2, #0x500]
+
+	ldr r3, =0x01000000
+wait1:
+	ldr r4, [r2, #0x500]
+	and r4, r3
+	cmp r4, r3
+	bne wait1
+
+	ldr r3, =0x8080801E
+	str r3, [r2, #0x50c]
+
+	ldr r3, =0x00000040
+wait2:
+	ldr r4, [r2, #0x50c]
+	and r4, r3
+	cmp r4, r3
+	bne wait2
+
+	ldr r3, =0x00000001
+	str r3, [r2, #0x30]
+	ldr r3, =0x11000020
+	str r3, [r2, #0x40]
+
+	ldr r2, =0x403f0000
+	ldr r3, =0x42000000
+	str r3, [r2, #0xdc]
+
+.endm
+
+.macro imx7ulp_evk_ddr_setting
+
+	imx7ulp_ddr_freq_decrease
+
+	/* Enable MMDC PCC clock */
+	ldr r2, =0x40b30000
+	ldr r3, =0x40000000
+	str r3, [r2, #0xac]
+
+	/* Configure DDR pad */
+	ldr r0, =0x40ad0000
+	ldr r1, =0x00040000
+	str r1, [r0, #0x128]
+	ldr r1, =0x0
+	str r1, [r0, #0xf8]
+	ldr r1, =0x00000180
+	str r1, [r0, #0xd8]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x108]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x104]
+	ldr r1, =0x00010000
+	str r1, [r0, #0x124]
+	ldr r1, =0x0000018C
+	str r1, [r0, #0x80]
+	ldr r1, =0x0000018C
+	str r1, [r0, #0x84]
+	ldr r1, =0x0000018C
+	str r1, [r0, #0x88]
+	ldr r1, =0x0000018C
+	str r1, [r0, #0x8c]
+
+	ldr r1, =0x00010000
+	str r1, [r0, #0x120]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x10c]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x110]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x114]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x118]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x90]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x94]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x98]
+	ldr r1, =0x00000180
+	str r1, [r0, #0x9c]
+	ldr r1, =0x00040000
+	str r1, [r0, #0xe0]
+	ldr r1, =0x00040000
+	str r1, [r0, #0xe4]
+
+	ldr r0, =0x40ab0000
+	ldr r1, =0x00008000
+	str r1, [r0, #0x1c]
+	ldr r1, =0xA1390003
+	str r1, [r0, #0x800]
+	ldr r1, =0x0D3900A0
+	str r1, [r0, #0x85c]
+	ldr r1, =0x00400000
+	str r1, [r0, #0x890]
+
+	ldr r1, =0x40404040
+	str r1, [r0, #0x848]
+	ldr r1, =0x40404040
+	str r1, [r0, #0x850]
+	ldr r1, =0x33333333
+	str r1, [r0, #0x81c]
+	ldr r1, =0x33333333
+	str r1, [r0, #0x820]
+	ldr r1, =0x33333333
+	str r1, [r0, #0x824]
+	ldr r1, =0x33333333
+	str r1, [r0, #0x828]
+
+	ldr r1, =0xf3333333
+	str r1, [r0, #0x82c]
+	ldr r1, =0xf3333333
+	str r1, [r0, #0x830]
+	ldr r1, =0xf3333333
+	str r1, [r0, #0x834]
+	ldr r1, =0xf3333333
+	str r1, [r0, #0x838]
+
+	ldr r1, =0x24922492
+	str r1, [r0, #0x8c0]
+	ldr r1, =0x00000800
+	str r1, [r0, #0x8b8]
+
+	ldr r1, =0x00020052
+	str r1, [r0, #0x4]
+	ldr r1, =0x292C42F3
+	str r1, [r0, #0xc]
+	ldr r1, =0x00100A22
+	str r1, [r0, #0x10]
+	ldr r1, =0x00120556
+	str r1, [r0, #0x38]
+	ldr r1, =0x00C700DB
+	str r1, [r0, #0x14]
+	ldr r1, =0x00211718
+	str r1, [r0, #0x18]
+
+	ldr r1, =0x0F9F26D2
+	str r1, [r0, #0x2c]
+	ldr r1, =0x009F0E10
+	str r1, [r0, #0x30]
+	ldr r1, =0x0000003F
+	str r1, [r0, #0x40]
+	ldr r1, =0xC3190000
+	str r1, [r0, #0x0]
+
+	ldr r1, =0x00008050
+	str r1, [r0, #0x1c]
+	ldr r1, =0x00008058
+	str r1, [r0, #0x1c]
+	ldr r1, =0x003F8030
+	str r1, [r0, #0x1c]
+	ldr r1, =0x003F8038
+	str r1, [r0, #0x1c]
+	ldr r1, =0xFF0A8030
+	str r1, [r0, #0x1c]
+	ldr r1, =0xFF0A8038
+	str r1, [r0, #0x1c]
+	ldr r1, =0x04028030
+	str r1, [r0, #0x1c]
+	ldr r1, =0x04028038
+	str r1, [r0, #0x1c]
+	ldr r1, =0x83018030
+	str r1, [r0, #0x1c]
+	ldr r1, =0x83018038
+	str r1, [r0, #0x1c]
+	ldr r1, =0x01038030
+	str r1, [r0, #0x1c]
+	ldr r1, =0x01038038
+	str r1, [r0, #0x1c]
+
+	ldr r1, =0x20000000
+	str r1, [r0, #0x83c]
+
+	ldr r1, =0x00001800
+	str r1, [r0, #0x20]
+	ldr r1, =0xA1310000
+	str r1, [r0, #0x800]
+	ldr r1, =0x00020052
+	str r1, [r0, #0x4]
+	ldr r1, =0x00011006
+	str r1, [r0, #0x404]
+	ldr r1, =0x00000000
+	str r1, [r0, #0x1c]
+
+.endm
+
+.macro imx7ulp_clock_gating
+.endm
+
+.macro imx7ulp_qos_setting
+.endm
+
+.macro imx7ulp_ddr_setting
+	imx7ulp_evk_ddr_setting
+.endm
+
+/* include the common plugin code here */
+#include <asm/arch/mx7ulp_plugin.S>
diff --git a/include/configs/mx7ulp_evk.h b/include/configs/mx7ulp_evk.h
index e2c41b6..ab9a4af 100644
--- a/include/configs/mx7ulp_evk.h
+++ b/include/configs/mx7ulp_evk.h
@@ -12,6 +12,9 @@
 #include <linux/sizes.h>
 #include <asm/arch/imx-regs.h>
 
+/*Uncomment it to use plugin boot*/
+/*#define CONFIG_USE_PLUGIN*/
+
 #define CONFIG_SYS_VSNPRINTF
 #define CONFIG_BOARD_POSTCLK_INIT
 #define CONFIG_IMX_FIXED_IVT_OFFSET