1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuration settings for the TechNexion TAO-3530 SOM
4 * equipped on Thunder baseboard.
6 * Edward Lin <linuxfae@technexion.com>
7 * Tapani Utriainen <linuxfae@technexion.com>
9 * Copyright (C) 2013 Stefan Roese <sr@denx.de>
16 * High Level Configuration Options
19 #include <asm/arch/cpu.h> /* get chip and board defs */
20 #include <asm/arch/omap.h>
23 #define V_OSCK 26000000 /* Clock output from T2 */
24 #define V_SCLK (V_OSCK >> 1)
26 #define CONFIG_CMDLINE_TAG
27 #define CONFIG_SETUP_MEMORY_TAGS
28 #define CONFIG_INITRD_TAG
29 #define CONFIG_REVISION_TAG
32 * Size of malloc() pool
34 #define CONFIG_SYS_MALLOC_LEN (4 << 20)
41 * NS16550 Configuration
43 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
45 #define CONFIG_SYS_NS16550_SERIAL
46 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
47 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
50 * select serial console configuration
52 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
54 /* commands to include */
56 #define CONFIG_SYS_I2C
57 #define CONFIG_I2C_MULTI_BUS
66 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
67 /* to access nand at */
70 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
72 /* Environment information */
74 #define CONFIG_EXTRA_ENV_SETTINGS \
75 "loadaddr=0x82000000\0" \
76 "console=ttyO2,115200n8\0" \
78 "dvi_mode=omapfb.mode=dvi:1280x720-24@60\0" \
79 "tv_mode=omapfb.mode=tv:ntsc\0" \
80 "video_mode=omapdss.def_disp=lcd vram=6M omapfb.vram=0:2M,1:2M,2:2M\0" \
81 "lcd_mode=omapfb.mode=lcd:800x480@60 \0" \
84 "mmcroot=/dev/mmcblk0p2 rw\0" \
85 "mmcrootfstype=ext3 rootwait\0" \
86 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
87 "nandrootfstype=ubifs\0" \
88 "mmcargs=setenv bootargs console=${console} " \
89 "mpurate=${mpurate} " \
92 "rootfstype=${mmcrootfstype} " \
93 "${extra_options}\0" \
94 "nandargs=setenv bootargs console=${console} " \
95 "mpurate=${mpurate} " \
97 "${network_setting} " \
99 "rootfstype=${nandrootfstype} "\
100 "${extra_options}\0" \
101 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
102 "bootscript=echo Running bootscript from mmc ...; " \
103 "source ${loadaddr}\0" \
104 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
105 "mmcboot=echo Booting from mmc ...; " \
107 "bootm ${loadaddr}\0" \
108 "nandboot=echo Booting from nand ...; " \
110 "nand read ${loadaddr} 280000 400000; " \
111 "bootm ${loadaddr}\0" \
113 #define CONFIG_BOOTCOMMAND \
114 "mmc dev ${mmcdev}; if mmc rescan; then " \
115 "if run loadbootscript; then " \
118 "if run loaduimage; then " \
120 "else run nandboot; " \
123 "else run nandboot; fi"
126 * Miscellaneous configurable options
129 /* turn on command-line edit/hist/auto */
133 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default */
137 * OMAP3 has 12 GP timers, they can be driven by the system clock
138 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
139 * This rate is divided by a local divisor.
141 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2)
142 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
145 * Physical Memory Map
147 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
148 #define PHYS_SDRAM_1_SIZE (32 << 20) /* at least 32 MiB */
149 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
152 * FLASH and environment organization
155 /* **** PISMO SUPPORT *** */
156 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */
157 #define CONFIG_SYS_FLASH_BASE NAND_BASE
159 /* Monitor at start of flash */
160 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
161 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
163 #define ONENAND_ENV_OFFSET 0x260000 /* environment starts here */
165 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10)
167 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
168 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
169 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
170 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
171 CONFIG_SYS_INIT_RAM_SIZE - \
172 GENERATED_GBL_DATA_SIZE)
177 * Currently only EHCI is enabled, the MUSB OTG controller
182 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 162
184 /* Defines for SPL */
186 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
188 /* NAND boot config */
189 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
190 #define CONFIG_SYS_NAND_PAGE_COUNT 64
191 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
192 #define CONFIG_SYS_NAND_OOBSIZE 64
193 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
194 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
196 * Use the ECC/OOB layout from omap_gpmc.h that matches your chip:
197 * SP vs LP, 8bit vs 16bit: GPMC_NAND_HW_ECC_LAYOUT
199 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
201 #define CONFIG_SYS_NAND_ECCSIZE 512
202 #define CONFIG_SYS_NAND_ECCBYTES 3
203 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
205 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
206 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
208 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
209 CONFIG_SPL_TEXT_BASE)
212 * Use 0x80008000 as TEXT_BASE here for compatibility reasons with the
213 * older x-loader implementations. And move the BSS area so that it
214 * doesn't overlap with TEXT_BASE.
216 #define CONFIG_SPL_BSS_START_ADDR 0x80100000
217 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
219 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000
220 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
222 #endif /* __CONFIG_H */