arm: imx: add i.MX6SLL EVK board support

Add i.MX6SLL EVK board support.
1. Add imx6sll-evk device tree.
2. Enable SDHC/I2C/UART.
3. Enable REGULATOR/PMIC/I2C/GPIO/SDHC/PINCTRL driver.

Boot Log:
U-Boot 2016.11-00127-gc635871-dirty (Nov 24 2016 - 13:28:19 +0800)

CPU:   Freescale i.MX6SLL rev1.0 at 792MHz
CPU:   Commercial temperature grade (0C to 95C)Reset cause: POR
Model: Freescale i.MX6SLL EVK Board
Board: MX6SLL EVK
DRAM:  2 GiB
i2c bus 0 at 35258368, no gpio pinctrl state.
PMIC: PFUZE100! DEV_ID=0x10 REV_ID=0x21
MMC:   FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
In:    serial
Out:   serial
Err:   serial
Net:   CPU Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot:  0

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 121 insertions, 0 deletions

diff --git a/board/freescale/mx6sllevk/imximage.cfg b/board/freescale/mx6sllevk/imximage.cfg
new file mode 100644
index 0000000..53fb74f
--- /dev/null
+++ b/board/freescale/mx6sllevk/imximage.cfg
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Refer docs/README.imxmage 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 (the board has no nand neither onenand)
+ */
+
+BOOT_FROM	sd
+
+#ifdef CONFIG_SECURE_BOOT
+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 0x020E0550 0x00080000
+DATA 4 0x020E0534 0x00000000
+DATA 4 0x020E02AC 0x00000030
+DATA 4 0x020E0548 0x00000030
+DATA 4 0x020E052C 0x00000030
+DATA 4 0x020E0530 0x00020000
+DATA 4 0x020E02B0 0x00003030
+DATA 4 0x020E02B4 0x00003030
+DATA 4 0x020E02B8 0x00003030
+DATA 4 0x020E02BC 0x00003030
+DATA 4 0x020E0540 0x00020000
+DATA 4 0x020E0544 0x00000030
+DATA 4 0x020E054C 0x00000030
+DATA 4 0x020E0554 0x00000030
+DATA 4 0x020E0558 0x00000030
+DATA 4 0x020E0294 0x00000030
+DATA 4 0x020E0298 0x00000030
+DATA 4 0x020E029C 0x00000030
+DATA 4 0x020E02A0 0x00000030
+DATA 4 0x020E02C0 0x00082030
+
+DATA 4 0x021B001C 0x00008000
+
+DATA 4 0x021B0800 0xA1390003
+DATA 4 0x021B085c 0x084700C7
+DATA 4 0x021B0890 0x00400000
+DATA 4 0x021B0848 0x3F393B3C
+DATA 4 0x021B0850 0x262C3826
+DATA 4 0x021B081C 0x33333333
+DATA 4 0x021B0820 0x33333333
+DATA 4 0x021B0824 0x33333333
+DATA 4 0x021B0828 0x33333333
+
+DATA 4 0x021B082C 0xf3333333
+DATA 4 0x021B0830 0xf3333333
+DATA 4 0x021B0834 0xf3333333
+DATA 4 0x021B0838 0xf3333333
+DATA 4 0x021B08C0 0x24922492
+DATA 4 0x021B08b8 0x00000800
+
+DATA 4 0x021B0004 0x00020052
+DATA 4 0x021B000C 0x53574333
+DATA 4 0x021B0010 0x00100B22
+DATA 4 0x021B0038 0x00170778
+DATA 4 0x021B0014 0x00C700DB
+DATA 4 0x021B0018 0x00201718
+DATA 4 0x021B002C 0x0F9F26D2
+DATA 4 0x021B0030 0x009F0E10
+DATA 4 0x021B0040 0x0000005F
+DATA 4 0x021B0000 0xC4190000
+
+DATA 4 0x021B083C 0x20000000
+
+DATA 4 0x021B001C 0x00008050
+DATA 4 0x021B001C 0x00008058
+DATA 4 0x021B001C 0x003F8030
+DATA 4 0x021B001C 0x003F8038
+DATA 4 0x021B001C 0xFF0A8030
+DATA 4 0x021B001C 0xFF0A8038
+DATA 4 0x021B001C 0x04028030
+DATA 4 0x021B001C 0x04028038
+DATA 4 0x021B001C 0x83018030
+DATA 4 0x021B001C 0x83018038
+DATA 4 0x021B001C 0x01038030
+DATA 4 0x021B001C 0x01038038
+
+DATA 4 0x021B0020 0x00001800
+DATA 4 0x021B0800 0xA1390003
+DATA 4 0x021B0004 0x00020052
+DATA 4 0x021B0404 0x00011006
+DATA 4 0x021B001C 0x00000000