1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright 2022 Marek Vasut <marex@denx.de>
6 #ifndef __IMX8MM_DATA_MODUL_EDM_SBC_H
7 #define __IMX8MM_DATA_MODUL_EDM_SBC_H
9 #include <linux/sizes.h>
10 #include <linux/stringify.h>
11 #include <asm/arch/imx-regs.h>
13 #define CONFIG_SYS_BOOTM_LEN SZ_128M
15 #define CONFIG_SYS_MONITOR_LEN SZ_1M
17 #ifdef CONFIG_SPL_BUILD
18 #define CONFIG_MALLOC_F_ADDR 0x930000
20 /* For RAW image gives a error info not panic */
24 /* Link Definitions */
25 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
26 #define CONFIG_SYS_INIT_RAM_SIZE 0x200000
28 #define CONFIG_SYS_SDRAM_BASE 0x40000000
29 #define PHYS_SDRAM 0x40000000
30 #define PHYS_SDRAM_SIZE 0x40000000 /* Minimum 1 GiB DDR */
32 #define CONFIG_MXC_UART_BASE UART3_BASE_ADDR
34 /* PHY needs a longer autonegotiation timeout after reset */
35 #define PHY_ANEG_TIMEOUT 20000
38 #define CONFIG_SYS_FSL_USDHC_NUM 2
39 #define CONFIG_SYS_FSL_ESDHC_ADDR 0
41 #define CONFIG_EXTRA_ENV_SETTINGS \
42 "altbootcmd=setenv devpart 2 && run bootcmd ; reset\0" \
46 /* Give slow devices beyond USB HUB chance to come up. */ \
47 "usb_pgood_delay=2000\0" \
49 /* RAM block at DRAM offset 256..768 MiB */ \
50 "ram ram0=ram ram 0x50000000 0x20000000&" \
51 /* 16 MiB SPI NOR */ \
52 "mtd nor0=sf raw 0x0 0x1000000\0" \
54 "sf probe ; " /* Scan for SPI NOR, needed by DFU */ \
55 "run dmo_usb_start_hub ; " \
56 /* Attempt to start USB and Network console */ \
57 "run dmo_usb_cdc_acm_start ; " \
58 "run dmo_netconsole_start\0" \
60 "setenv dmo_update_env true ; saveenv ; saveenv\0" \
61 "dmo_usb_cdc_acm_start=" \
62 "if test \"${dmo_usb_cdc_acm_enabled}\" = \"true\" ; then "\
63 /* Ungate IMX8MM_CLK_USB1_CTRL_ROOT */ \
64 "mw 0x303844d0 3 ; " \
65 /* Read USBNC_n_PHY_STATUS BIT(4) VBUS_VLD */ \
66 "setexpr.l usbnc_n_phy_status *0x32e4023c \\\\& 0x8 ; " \
67 /* If USB OTG has valid VBUS, enable CDC ACM */ \
68 "if test \"${usbnc_n_phy_status}\" -eq 8 ; then "\
70 "setenv stderr ${stderr},usbacm && " \
71 "setenv stdout ${stdout},usbacm && " \
72 "setenv stdin ${stdin},usbacm ; " \
75 "dmo_usb_start_hub=" \
77 /* Reset the USB USB */ \
78 "gpio clear GPIO5_2 ; sleep 0.01 ; " /* t1 > 1us */ \
79 "gpio set GPIO5_2 ; sleep 0.01 ; " /* t5 > 3us */ \
80 /* Write chunks of descriptor into the USB HUB */ \
81 "mw.l 0x7e1000 0x14042417 ; mw.l 0x7e1004 0x9b0bb325 ; "\
82 "mw.l 0x7e1008 0x00000220 ; mw.l 0x7e100c 0x01320100 ; "\
83 "mw.l 0x7e1010 0x00003232 ; mw.l 0x7e1014 0x4d000909 ; "\
84 "i2c write 0x7e1000 0x2c 0x00 0x18 -s ; " \
85 "mw.l 0x7e1000 0x6300690f ; mw.l 0x7e1004 0x6f007200 ; "\
86 "mw.l 0x7e1008 0x68006300 ; mw.l 0x7e100c 0x70006900 ; "\
87 "i2c write 0x7e1000 0x2c 0x18 0x10 -s ; " \
88 "mw.l 0x7e1000 0x53005511 ; mw.l 0x7e1004 0x32004200 ; "\
89 "mw.l 0x7e1008 0x31003500 ; mw.l 0x7e100c 0x42003400 ; "\
90 "mw.l 0x7e1010 0x00006900 ; " \
91 "i2c write 0x7e1000 0x2c 0x54 0x12 -s ; " \
92 "mw.l 0x7e1000 0x00000101 ; " \
93 "i2c write 0x7e1000 0x2c 0xff 0x2 -s\0" \
94 "dmo_netconsole_start=" \
95 "if test \"${dmo_netconsole_enabled}\" = \"true\" ; then "\
96 "setenv autoload false && " \
98 "setenv autoload && " \
99 "setenv ncip ${serverip} && " \
100 "setenv stderr ${stderr},nc && " \
101 "setenv stdout ${stdout},nc && " \
102 "setenv stdin ${stdin},nc ; " \