1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Board configuration file for Variscite DART-6UL Evaluation Kit
4  * Copyright (C) 2019 Parthiban Nallathambi <parthitce@gmail.com>
5  */
6 #ifndef __DART_6UL_H
7 #define __DART_6UL_H
8 
9 #include <linux/sizes.h>
10 #include <linux/stringify.h>
11 #include "mx6_common.h"
12 
13 /* SPL options */
14 #include "imx6_spl.h"
15 
16 /* NAND pin conflicts with usdhc2 */
17 #ifdef CONFIG_CMD_NAND
18 #define CONFIG_SYS_FSL_USDHC_NUM        1
19 #else
20 #define CONFIG_SYS_FSL_USDHC_NUM        2
21 #endif
22 
23 #ifdef CONFIG_CMD_NET
24 #define CONFIG_FEC_ENET_DEV		0
25 #if (CONFIG_FEC_ENET_DEV == 0)
26 #define CONFIG_ETHPRIME			"eth0"
27 #elif (CONFIG_FEC_ENET_DEV == 1)
28 #define CONFIG_ETHPRIME			"eth1"
29 #endif
30 #endif
31 
32 /* Size of malloc() pool */
33 #define CONFIG_SYS_MALLOC_LEN		(16 * SZ_1M)
34 
35 /* Environment settings */
36 
37 /* Environment in SD */
38 #define MMC_ROOTFS_DEV			0
39 #define MMC_ROOTFS_PART			2
40 
41 /* Console configs */
42 #define CONFIG_MXC_UART_BASE		UART1_BASE
43 
44 /* MMC Configs */
45 
46 #define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC2_BASE_ADDR
47 #define CONFIG_SUPPORT_EMMC_BOOT
48 
49 /* I2C configs */
50 #ifdef CONFIG_CMD_I2C
51 #define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
52 #define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
53 #define CONFIG_SYS_I2C_SPEED		100000
54 #endif
55 
56 /* Miscellaneous configurable options */
57 
58 #define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
59 #define CONFIG_SYS_HZ			1000
60 
61 /* Physical Memory Map */
62 #define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
63 #define PHYS_SDRAM_SIZE			SZ_512M
64 
65 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
66 #define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
67 #define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
68 
69 #define CONFIG_SYS_INIT_SP_OFFSET \
70 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
71 #define CONFIG_SYS_INIT_SP_ADDR \
72 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
73 
74 /* USB Configs */
75 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
76 #define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
77 #define CONFIG_MXC_USB_FLAGS		0
78 #define CONFIG_USB_MAX_CONTROLLER_COUNT	2
79 
80 #define ENV_MMC \
81 	"mmcdev=" __stringify(MMC_ROOTFS_DEV) "\0" \
82 	"mmcpart=" __stringify(MMC_ROOTFS_PART) "\0" \
83 	"fitpart=1\0" \
84 	"bootdelay=3\0" \
85 	"silent=1\0" \
86 	"optargs=rw rootwait\0" \
87 	"mmcautodetect=yes\0" \
88 	"mmcrootfstype=ext4\0" \
89 	"mmcfit_name=fitImage\0" \
90 	"mmcloadfit=fatload mmc ${mmcdev}:${fitpart} ${fit_addr} " \
91 		    "${mmcfit_name}\0" \
92 	"mmcargs=setenv bootargs " \
93 		"root=/dev/mmcblk${mmcdev}p${mmcpart} ${optargs} " \
94 		"console=${console} rootfstype=${mmcrootfstype}\0" \
95 	"mmc_mmc_fit=run mmcloadfit;run mmcargs addcon; bootm ${fit_addr}\0" \
96 
97 /* Default environment */
98 #define CONFIG_EXTRA_ENV_SETTINGS \
99 	"fdt_high=0xffffffff\0" \
100 	"console=ttymxc0,115200n8\0" \
101 	"addcon=setenv bootargs ${bootargs} console=${console},${baudrate}\0" \
102 	"fit_addr=0x82000000\0" \
103 	ENV_MMC
104 
105 #define CONFIG_BOOTCOMMAND		"run mmc_mmc_fit"
106 
107 #define BOOT_TARGET_DEVICES(func) \
108 	func(MMC, mmc, 0) \
109 	func(MMC, mmc, 1) \
110 	func(DHCP, dhcp, na)
111 
112 #include <config_distro_bootcmd.h>
113 #endif /* __DART_6UL_H */
114