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: NPeng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

arch/arm/cpu/armv7/mx6/Kconfig

@@ -146,6 +146,12 @@ config TARGET_MX6SLEVK
 	bool "mx6slevk"
 	select SUPPORT_SPL
 
+config TARGET_MX6SLLEVK
+        bool "mx6sll evk"
+        select MX6SLL
+        select DM
+        select DM_THERMAL
+
 config TARGET_MX6SXSABRESD
 	bool "mx6sxsabresd"
 	select MX6SX
@@ -283,6 +289,7 @@ source "board/freescale/mx6qarm2/Kconfig"
 source "board/freescale/mx6qsabreauto/Kconfig"
 source "board/freescale/mx6sabresd/Kconfig"
 source "board/freescale/mx6slevk/Kconfig"
+source "board/freescale/mx6sllevk/Kconfig"
 source "board/freescale/mx6sxsabresd/Kconfig"
 source "board/freescale/mx6sxsabreauto/Kconfig"
 source "board/freescale/mx6ul_14x14_evk/Kconfig"

arch/arm/dts/Makefile

@@ -294,6 +294,7 @@ dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
 	bk4r1.dtb
 
 dtb-$(CONFIG_MX6) += imx6ull-14x14-evk.dtb \
+	imx6sll-evk.dtb \
 	imx6dl-icore.dtb \
 	imx6q-icore.dtb
 

board/freescale/mx6sllevk/Kconfig

+if TARGET_MX6SLLEVK
+
+config SYS_BOARD
+	default "mx6sllevk"
+
+config SYS_VENDOR
+	default "freescale"
+
+config SYS_CONFIG_NAME
+	default "mx6sllevk"
+
+endif

board/freescale/mx6sllevk/Makefile

+# (C) Copyright 2016 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := mx6sllevk.o

board/freescale/mx6sllevk/imximage.cfg

+/*
+ * 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

board/freescale/mx6sllevk/mx6sllevk.c

+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/io.h>
+#include <common.h>
+#include <linux/sizes.h>
+#include <mmc.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+#include "../common/pfuze.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
+	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+int dram_init(void)
+{
+	gd->ram_size = imx_ddr_size();
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const wdog_pads[] = {
+	MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+#ifdef CONFIG_DM_PMIC_PFUZE100
+int power_init_board(void)
+{
+	struct udevice *dev;
+	int ret;
+	u32 dev_id, rev_id, i;
+	u32 switch_num = 6;
+	u32 offset = PFUZE100_SW1CMODE;
+
+	ret = pmic_get("pfuze100", &dev);
+	if (ret == -ENODEV)
+		return 0;
+
+	if (ret != 0)
+		return ret;
+
+	dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
+	rev_id = pmic_reg_read(dev, PFUZE100_REVID);
+	printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
+
+
+	/* Init mode to APS_PFM */
+	pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
+
+	for (i = 0; i < switch_num - 1; i++)
+		pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
+
+	/* set SW1AB staby volatage 0.975V */
+	pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
+
+	/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
+	pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
+
+	/* set SW1C staby volatage 0.975V */
+	pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b);
+
+	/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
+	pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
+
+	return 0;
+}
+#endif
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: MX6SLL EVK\n");
+
+	return 0;
+}
+
+int board_mmc_get_env_dev(int devno)
+{
+	return devno;
+}
+
+int mmc_map_to_kernel_blk(int devno)
+{
+	return devno;
+}

configs/mx6sllevk_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_MX6SLLEVK=y
+CONFIG_DEFAULT_DEVICE_TREE="imx6sll-evk"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6sllevk/imximage.cfg"
+CONFIG_BOOTDELAY=3
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+# CONFIG_BLK is not set
+CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_DM_MMC=y
+# CONFIG_DM_MMC_OPS is not set
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_PFUZE100=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_PFUZE100=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y

include/configs/mx6sllevk.h

+/*
+ * Copyright 2013-2016 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the Freescale i.MX6SL EVK board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include "mx6_common.h"
+
+#ifdef CONFIG_SECURE_BOOT
+#ifndef CONFIG_CSF_SIZE
+#define CONFIG_CSF_SIZE 0x4000
+#endif
+#endif
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(16 * SZ_1M)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
+
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE		UART1_BASE
+
+/* I2C Configs */
+#ifdef CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
+#define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
+#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
+#define CONFIG_SYS_I2C_SPEED		  100000
+#endif
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"epdc_waveform=epdc_splash.bin\0" \
+	"script=boot.scr\0" \
+	"image=zImage\0" \
+	"console=ttymxc0\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"fdt_file=imx6sll-evk.dtb\0" \
+	"fdt_addr=0x83000000\0" \
+	"boot_fdt=try\0" \
+	"ip_dyn=yes\0" \
+	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
+	"mmcpart=1\0" \
+	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+	"mmcautodetect=yes\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadbootscript=" \
+		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; " \
+		"source\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0" \
+	"netargs=setenv bootargs console=${console},${baudrate} " \
+		"root=/dev/nfs " \
+	"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+		"netboot=echo Booting from net ...; " \
+		"usb start; " \
+		"run netargs; " \
+		"if test ${ip_dyn} = yes; then " \
+			"setenv get_cmd dhcp; " \
+		"else " \
+			"setenv get_cmd tftp; " \
+		"fi; " \
+		"${get_cmd} ${image}; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0"
+
+#define CONFIG_BOOTCOMMAND \
+	   "mmc dev ${mmcdev};" \
+	   "mmc dev ${mmcdev}; if mmc rescan; then " \
+		   "if run loadbootscript; then " \
+			   "run bootscript; " \
+		   "else " \
+			   "if run loadimage; then " \
+				   "run mmcboot; " \
+			   "else run netboot; " \
+			   "fi; " \
+		   "fi; " \
+	   "else run netboot; fi"
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_MEMTEST_START	0x80000000
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + SZ_128M)
+
+#define CONFIG_STACKSIZE		SZ_128K
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
+#define PHYS_SDRAM_SIZE			SZ_2G
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* Environment organization */
+#define CONFIG_ENV_SIZE			SZ_8K
+#define CONFIG_SYS_MMC_ENV_PART		0   /* user partition */
+#define CONFIG_MMCROOT			"/dev/mmcblk0p2"  /* USDHC1 */
+
+#define CONFIG_ENV_OFFSET		(12 * SZ_64K)
+#define CONFIG_ENV_IS_IN_MMC
+
+/* MMC Configs */
+#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC1_BASE_ADDR
+#define CONFIG_SYS_FSL_USDHC_NUM	3
+#define CONFIG_SYS_MMC_ENV_DEV		0   /* USDHC1 */
+
+#define CONFIG_IMX_THERMAL
+
+#define CONFIG_IOMUX_LPSR
+
+#endif				/* __CONFIG_H */