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
28 #define CONFIG_SPL_SERIAL_SUPPORT
30 #define CONFIG_SPL_TEXT_BASE 0x810c0000
31 #define CONFIG_SYS_TEXT_BASE 0x81200000
33 #ifndef MACH_TYPE_TX25
34 #define MACH_TYPE_TX25 2177
37 #define CONFIG_MACH_TYPE MACH_TYPE_TX25
39 #ifdef CONFIG_SPL_BUILD
40 /* Start copying real U-boot from the second page */
41 #define CONFIG_SYS_NAND_U_BOOT_OFFS CONFIG_SPL_PAD_TO
42 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x30000
44 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
45 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST
47 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
48 #define CONFIG_SYS_NAND_OOBSIZE 64
49 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
50 #define CONFIG_SYS_NAND_PAGE_COUNT 64
51 #define CONFIG_SYS_NAND_SIZE (128 * 1024 * 1024)
52 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
54 #define CONFIG_SKIP_LOWLEVEL_INIT
57 #define CONFIG_DISPLAY_CPUINFO
59 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
60 #define CONFIG_SETUP_MEMORY_TAGS
61 #define CONFIG_INITRD_TAG
67 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
69 * Board has 2 32MB banks of DRAM but there is a bug when using
70 * both so only the first is configured
72 #define CONFIG_NR_DRAM_BANKS 1
74 #define PHYS_SDRAM_1 0x80000000
75 #define PHYS_SDRAM_1_SIZE 0x02000000
76 #if (CONFIG_NR_DRAM_BANKS == 2)
77 #define PHYS_SDRAM_2 0x90000000
78 #define PHYS_SDRAM_2_SIZE 0x02000000
81 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1
82 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1+0x0800000)
87 #define CONFIG_MXC_UART
88 #define CONFIG_MXC_UART_BASE UART1_BASE
89 #define CONFIG_CONS_INDEX 1 /* use UART0 for console */
90 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
92 #define CONFIG_MXC_GPIO
97 /* No NOR flash present */
98 #define CONFIG_ENV_IS_IN_NAND
99 #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN
100 #define CONFIG_ENV_SIZE (128 * 1024) /* 128 kB NAND block size */
101 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
104 #define CONFIG_MXC_NAND_REGS_BASE (0xBB000000)
105 #define CONFIG_SYS_MAX_NAND_DEVICE 1
106 #define CONFIG_SYS_NAND_BASE (0xBB000000)
107 #define CONFIG_JFFS2_NAND
108 #define CONFIG_MXC_NAND_HWECC
109 #define CONFIG_SYS_NAND_LARGEPAGE
111 /* U-Boot general configuration */
112 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
113 /* Print buffer sz */
114 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
115 sizeof(CONFIG_SYS_PROMPT) + 16)
116 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */
117 /* Boot Argument Buffer Size */
118 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
119 #define CONFIG_CMDLINE_EDITING
120 #define CONFIG_SYS_LONGHELP
125 #define CONFIG_FEC_MXC
126 #define CONFIG_FEC_MXC_PHYADDR 0x1f
128 #define CONFIG_BOARD_LATE_INIT
129 #define CONFIG_ENV_OVERWRITE
131 #define CONFIG_BOOTDELAY 5
133 #define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */
134 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
136 #define CONFIG_EXTRA_ENV_SETTINGS \
138 "nfsargs=setenv bootargs root=/dev/nfs rw " \
139 "nfsroot=${serverip}:${rootpath}\0" \
140 "ramargs=setenv bootargs root=/dev/ram rw\0" \
141 "addip=setenv bootargs ${bootargs} " \
142 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
143 ":${hostname}:${netdev}:off panic=1\0" \
144 "addtty=setenv bootargs ${bootargs}" \
145 " console=ttymxc0,${baudrate}\0" \
146 "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
147 "addmisc=setenv bootargs ${bootargs}\0" \
148 "u-boot=tx25/u-boot.bin\0" \
149 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
151 "bootfile=tx25/uImage\0" \
152 "rootpath=/opt/eldk/arm\0" \
153 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
154 "run nfsargs addip addtty addmtd addmisc;" \
156 "bootcmd=run net_nfs\0" \
157 "load=tftp ${loadaddr} ${u-boot}\0" \
158 "update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0" \
159 "upd=run load update\0" \
161 /* additions for new relocation code, must be added to all boards */
162 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
163 #define CONFIG_SYS_INIT_SP_ADDR (IMX_RAM_BASE + IMX_RAM_SIZE)
165 #endif /* __CONFIG_H */