[PATCH] board: myir_6ulx: Use DCD to init DRAM instead of SPL

qianfanguijin at 163.com qianfanguijin at 163.com
Fri Oct 29 03:15:51 CEST 2021 

From: qianfan Zhao <qianfanguijin at 163.com>

The work of SPL did is init DRAM, which can be replaced with DCD scripts.
This is very helpful to start u-boot directly through USB.

Signed-off-by: qianfan Zhao <qianfanguijin at 163.com>
---
 arch/arm/mach-imx/mx6/Kconfig    |   1 +
 board/myir/mys_6ulx/Kconfig      |   3 +
 board/myir/mys_6ulx/imximage.cfg | 115 +++++++++++++++++++++++++++++++
 configs/myir_mys_6ulx_defconfig  |  11 ---
 4 files changed, 119 insertions(+), 11 deletions(-)
 create mode 100644 board/myir/mys_6ulx/imximage.cfg

diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index ee73006ae8..881d1d9c91 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -673,6 +673,7 @@ source "board/softing/vining_2000/Kconfig"
 source "board/liebherr/display5/Kconfig"
 source "board/liebherr/mccmon6/Kconfig"
 source "board/logicpd/imx6/Kconfig"
+source "board/myir/mys_6ulx/Kconfig"
 source "board/solidrun/mx6cuboxi/Kconfig"
 source "board/somlabs/visionsom-6ull/Kconfig"
 source "board/technexion/pico-imx6/Kconfig"
diff --git a/board/myir/mys_6ulx/Kconfig b/board/myir/mys_6ulx/Kconfig
index cbf72c6eca..4b62053062 100644
--- a/board/myir/mys_6ulx/Kconfig
+++ b/board/myir/mys_6ulx/Kconfig
@@ -9,4 +9,7 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
 	default "mys_6ulx"
 
+config IMX_CONFIG
+	default "board/myir/mys_6ulx/imximage.cfg"
+
 endif
diff --git a/board/myir/mys_6ulx/imximage.cfg b/board/myir/mys_6ulx/imximage.cfg
new file mode 100644
index 0000000000..8513da2c05
--- /dev/null
+++ b/board/myir/mys_6ulx/imximage.cfg
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * Refer doc/imx/mkimage/imximage.txt for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi/sd/nand/onenand, qspi/nor
+ */
+
+#ifdef CONFIG_QSPI_BOOT
+BOOT_FROM	qspi
+#elif defined(CONFIG_NOR_BOOT)
+BOOT_FROM	nor
+#else
+BOOT_FROM	sd
+#endif
+
+#ifdef CONFIG_USE_IMXIMG_PLUGIN
+/*PLUGIN    plugin-binary-file    IRAM_FREE_START_ADDR*/
+PLUGIN	board/freescale/mx6ullevk/plugin.bin 0x00907000
+#else
+
+#ifdef CONFIG_IMX_HAB
+CSF CONFIG_CSF_SIZE
+#endif
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+DATA 4 0x020e04b4 0x000C0000
+DATA 4 0x020e04ac 0x00000000
+DATA 4 0x020e027c 0x00000030
+DATA 4 0x020e0250 0x00000030
+DATA 4 0x020e024c 0x00000030
+DATA 4 0x020e0490 0x00000030
+DATA 4 0x020e0288 0x000C0030
+DATA 4 0x020e0270 0x00000000
+DATA 4 0x020e0260 0x00000030
+DATA 4 0x020e0264 0x00000030
+DATA 4 0x020e04a0 0x00000030
+DATA 4 0x020e0494 0x00020000
+DATA 4 0x020e0280 0x00000030
+DATA 4 0x020e0284 0x00000030
+DATA 4 0x020e04b0 0x00020000
+DATA 4 0x020e0498 0x00000030
+DATA 4 0x020e04a4 0x00000030
+DATA 4 0x020e0244 0x00000030
+DATA 4 0x020e0248 0x00000030
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b0800 0xA1390003
+DATA 4 0x021b080c 0x00050005
+DATA 4 0x021b083c 0x01400140
+DATA 4 0x021b0848 0x4040363A
+DATA 4 0x021b0850 0x40403028
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b082c 0xF3333333
+DATA 4 0x021b0830 0xF3333333
+DATA 4 0x021b08c0 0x00944009
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b0004 0x0002002D
+DATA 4 0x021b0008 0x1B333030
+DATA 4 0x021b000c 0x3F4352F3
+DATA 4 0x021b0010 0xB66D0B63
+DATA 4 0x021b0014 0x01FF00DB
+DATA 4 0x021b0018 0x00211740
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b002c 0x000026D2
+DATA 4 0x021b0030 0x00431023
+DATA 4 0x021b0040 0x00000047
+DATA 4 0x021b0000 0x83180000
+DATA 4 0x021b0890 0x00400000
+DATA 4 0x021b001c 0x02008032
+DATA 4 0x021b001c 0x00008033
+DATA 4 0x021b001c 0x00048031
+DATA 4 0x021b001c 0x15208030
+DATA 4 0x021b001c 0x04008040
+DATA 4 0x021b0020 0x00007800
+DATA 4 0x021b0818 0x00000227
+DATA 4 0x021b0004 0x0002552D
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000
+
+#endif
diff --git a/configs/myir_mys_6ulx_defconfig b/configs/myir_mys_6ulx_defconfig
index 5f140a54b7..1af886343c 100644
--- a/configs/myir_mys_6ulx_defconfig
+++ b/configs/myir_mys_6ulx_defconfig
@@ -1,8 +1,6 @@
 CONFIG_ARM=y
 CONFIG_ARCH_MX6=y
 CONFIG_SYS_TEXT_BASE=0x87800000
-CONFIG_SPL_LIBCOMMON_SUPPORT=y
-CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=8
 CONFIG_SYS_MEMTEST_START=0x80000000
 CONFIG_SYS_MEMTEST_END=0x90000000
@@ -11,20 +9,11 @@ CONFIG_MX6ULL=y
 CONFIG_TARGET_MYS_6ULX=y
 CONFIG_SYS_MALLOC_LEN=0x1000000
 CONFIG_DEFAULT_DEVICE_TREE="imx6ull-myir-mys-6ulx-eval"
-CONFIG_SPL_TEXT_BASE=0x908000
-CONFIG_SPL_MMC=y
-CONFIG_SPL_SERIAL=y
-CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_BOOTDELAY=3
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_BOARD_EARLY_INIT_F=y
-CONFIG_SPL_DMA=y
-CONFIG_SPL_NAND_SUPPORT=y
-CONFIG_SPL_USB_HOST=y
-CONFIG_SPL_USB_GADGET=y
-CONFIG_SPL_WATCHDOG=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_DM=y
 CONFIG_CMD_GPIO=y
-- 
2.17.1

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