2 * (C) Copyright 2009 DENX Software Engineering
3 * Author: John Rigby <jrigby@gmail.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/imx-regs.h>
14 * KARO TX25 board - SoC Configuration
16 #define CONFIG_MX25_CLK32 32000 /* OSC32K frequency */
17 #define CONFIG_SYS_TIMER_RATE CONFIG_MX25_CLK32
18 #define CONFIG_SYS_TIMER_COUNTER \
19 (&((struct gpt_regs *)IMX_GPT1_BASE)->counter)
21 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* 256 kB for U-Boot */
23 #define CONFIG_SPL_TARGET "u-boot-with-spl.bin"
24 #define CONFIG_SPL_LDSCRIPT "arch/$(ARCH)/cpu/u-boot-spl.lds"
25 #define CONFIG_SPL_MAX_SIZE 2048
26 #define CONFIG_SPL_NAND_SUPPORT
27 #define CONFIG_SPL_LIBGENERIC_SUPPORT
29 #define CONFIG_SPL_TEXT_BASE 0x810c0000
30 #define CONFIG_SYS_TEXT_BASE 0x81200000
32 #ifndef MACH_TYPE_TX25
33 #define MACH_TYPE_TX25 2177
36 #define CONFIG_MACH_TYPE MACH_TYPE_TX25
38 #ifdef CONFIG_SPL_BUILD
39 /* Start copying real U-boot from the second page */
40 #define CONFIG_SYS_NAND_U_BOOT_OFFS CONFIG_SPL_PAD_TO
41 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x30000
43 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
44 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST
46 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
47 #define CONFIG_SYS_NAND_OOBSIZE 64
48 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
49 #define CONFIG_SYS_NAND_PAGE_COUNT 64
50 #define CONFIG_SYS_NAND_SIZE (128 * 1024 * 1024)
51 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
53 #define CONFIG_SKIP_LOWLEVEL_INIT
56 #define CONFIG_DISPLAY_CPUINFO
58 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
59 #define CONFIG_SETUP_MEMORY_TAGS
60 #define CONFIG_INITRD_TAG
66 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
68 * Board has 2 32MB banks of DRAM but there is a bug when using
69 * both so only the first is configured
71 #define CONFIG_NR_DRAM_BANKS 1
73 #define PHYS_SDRAM_1 0x80000000
74 #define PHYS_SDRAM_1_SIZE 0x02000000
75 #if (CONFIG_NR_DRAM_BANKS == 2)
76 #define PHYS_SDRAM_2 0x90000000
77 #define PHYS_SDRAM_2_SIZE 0x02000000
80 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1
81 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1+0x0800000)
86 #define CONFIG_MXC_UART
87 #define CONFIG_MXC_UART_BASE UART1_BASE
88 #define CONFIG_CONS_INDEX 1 /* use UART0 for console */
89 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
91 #define CONFIG_MXC_GPIO
96 /* No NOR flash present */
97 #define CONFIG_ENV_IS_IN_NAND
98 #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN
99 #define CONFIG_ENV_SIZE (128 * 1024) /* 128 kB NAND block size */
100 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
103 #define CONFIG_MXC_NAND_REGS_BASE (0xBB000000)
104 #define CONFIG_SYS_MAX_NAND_DEVICE 1
105 #define CONFIG_SYS_NAND_BASE (0xBB000000)
106 #define CONFIG_JFFS2_NAND
107 #define CONFIG_MXC_NAND_HWECC
108 #define CONFIG_SYS_NAND_LARGEPAGE
110 /* U-Boot general configuration */
111 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
112 /* Print buffer sz */
113 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
114 sizeof(CONFIG_SYS_PROMPT) + 16)
115 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */
116 /* Boot Argument Buffer Size */
117 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
118 #define CONFIG_CMDLINE_EDITING
119 #define CONFIG_SYS_LONGHELP
121 /* U-Boot commands */
122 #include <config_cmd_default.h>
127 #define CONFIG_BOARD_LATE_INIT
128 #define CONFIG_ENV_OVERWRITE
130 #define CONFIG_BOOTDELAY 5
132 #define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */
133 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
135 #define CONFIG_EXTRA_ENV_SETTINGS \
137 "nfsargs=setenv bootargs root=/dev/nfs rw " \
138 "nfsroot=${serverip}:${rootpath}\0" \
139 "ramargs=setenv bootargs root=/dev/ram rw\0" \
140 "addip=setenv bootargs ${bootargs} " \
141 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
142 ":${hostname}:${netdev}:off panic=1\0" \
143 "addtty=setenv bootargs ${bootargs}" \
144 " console=ttymxc0,${baudrate}\0" \
145 "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
146 "addmisc=setenv bootargs ${bootargs}\0" \
147 "u-boot=tx25/u-boot.bin\0" \
148 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
150 "bootfile=tx25/uImage\0" \
151 "rootpath=/opt/eldk/arm\0" \
152 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
153 "run nfsargs addip addtty addmtd addmisc;" \
155 "bootcmd=run net_nfs\0" \
156 "load=tftp ${loadaddr} ${u-boot}\0" \
157 "update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0" \
158 "upd=run load update\0" \
160 /* additions for new relocation code, must be added to all boards */
161 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
162 #define CONFIG_SYS_INIT_SP_ADDR (IMX_RAM_BASE + IMX_RAM_SIZE)
164 #endif /* __CONFIG_H */