2 * Configuration settings for the TechNexion TAO-3530 SOM
3 * equipped on Thunder baseboard.
5 * Edward Lin <linuxfae@technexion.com>
6 * Tapani Utriainen <linuxfae@technexion.com>
8 * Copyright (C) 2013 Stefan Roese <sr@denx.de>
10 * SPDX-License-Identifier: GPL-2.0+
17 * High Level Configuration Options
20 #include <asm/arch/cpu.h> /* get chip and board defs */
21 #include <asm/arch/omap.h>
24 #define V_OSCK 26000000 /* Clock output from T2 */
25 #define V_SCLK (V_OSCK >> 1)
27 #define CONFIG_MISC_INIT_R
29 #define CONFIG_CMDLINE_TAG
30 #define CONFIG_SETUP_MEMORY_TAGS
31 #define CONFIG_INITRD_TAG
32 #define CONFIG_REVISION_TAG
35 * Size of malloc() pool
37 #define CONFIG_SYS_MALLOC_LEN (4 << 20)
38 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */
45 * NS16550 Configuration
47 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
49 #define CONFIG_SYS_NS16550_SERIAL
50 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
51 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
54 * select serial console configuration
56 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
58 /* allow to overwrite serial and ethaddr */
59 #define CONFIG_ENV_OVERWRITE
61 /* commands to include */
62 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
64 #define CONFIG_SYS_I2C
65 #define CONFIG_I2C_MULTI_BUS
70 #define CONFIG_TWL4030_LED
75 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
77 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
78 /* to access nand at */
81 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
83 /* Environment information */
85 #define CONFIG_EXTRA_ENV_SETTINGS \
86 "loadaddr=0x82000000\0" \
87 "console=ttyO2,115200n8\0" \
89 "dvi_mode=omapfb.mode=dvi:1280x720-24@60\0" \
90 "tv_mode=omapfb.mode=tv:ntsc\0" \
91 "video_mode=omapdss.def_disp=lcd vram=6M omapfb.vram=0:2M,1:2M,2:2M\0" \
92 "lcd_mode=omapfb.mode=lcd:800x480@60 \0" \
95 "mmcroot=/dev/mmcblk0p2 rw\0" \
96 "mmcrootfstype=ext3 rootwait\0" \
97 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
98 "nandrootfstype=ubifs\0" \
99 "mmcargs=setenv bootargs console=${console} " \
100 "mpurate=${mpurate} " \
103 "rootfstype=${mmcrootfstype} " \
104 "${extra_options}\0" \
105 "nandargs=setenv bootargs console=${console} " \
106 "mpurate=${mpurate} " \
108 "${network_setting} " \
109 "root=${nandroot} " \
110 "rootfstype=${nandrootfstype} "\
111 "${extra_options}\0" \
112 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
113 "bootscript=echo Running bootscript from mmc ...; " \
114 "source ${loadaddr}\0" \
115 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
116 "mmcboot=echo Booting from mmc ...; " \
118 "bootm ${loadaddr}\0" \
119 "nandboot=echo Booting from nand ...; " \
121 "nand read ${loadaddr} 280000 400000; " \
122 "bootm ${loadaddr}\0" \
124 #define CONFIG_BOOTCOMMAND \
125 "if mmc rescan ${mmcdev}; then " \
126 "if run loadbootscript; then " \
129 "if run loaduimage; then " \
131 "else run nandboot; " \
134 "else run nandboot; fi"
137 * Miscellaneous configurable options
140 /* turn on command-line edit/hist/auto */
142 #define CONFIG_SYS_ALT_MEMTEST 1
143 #define CONFIG_SYS_MEMTEST_START (0x82000000) /* memtest */
145 #define CONFIG_SYS_MEMTEST_END (0x83FFFFFF) /* 64MB */
146 #define CONFIG_SYS_MEMTEST_SCRATCH (0x81000000) /* dummy address */
148 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default */
152 * OMAP3 has 12 GP timers, they can be driven by the system clock
153 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
154 * This rate is divided by a local divisor.
156 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2)
157 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
160 * Physical Memory Map
162 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
163 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
164 #define PHYS_SDRAM_1_SIZE (32 << 20) /* at least 32 MiB */
165 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
168 * FLASH and environment organization
171 /* **** PISMO SUPPORT *** */
172 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */
173 #define CONFIG_SYS_FLASH_BASE NAND_BASE
175 /* Monitor at start of flash */
176 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
177 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
179 #define ONENAND_ENV_OFFSET 0x260000 /* environment starts here */
181 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10)
182 #define CONFIG_ENV_OFFSET 0x260000
183 #define CONFIG_ENV_ADDR CONFIG_ENV_OFFSET
185 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
186 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
187 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
188 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
189 CONFIG_SYS_INIT_RAM_SIZE - \
190 GENERATED_GBL_DATA_SIZE)
195 * Currently only EHCI is enabled, the MUSB OTG controller
200 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 162
202 /* Defines for SPL */
204 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
205 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
207 #define CONFIG_SPL_NAND_BASE
208 #define CONFIG_SPL_NAND_DRIVERS
209 #define CONFIG_SPL_NAND_ECC
211 /* NAND boot config */
212 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
213 #define CONFIG_SYS_NAND_PAGE_COUNT 64
214 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
215 #define CONFIG_SYS_NAND_OOBSIZE 64
216 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
217 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
219 * Use the ECC/OOB layout from omap_gpmc.h that matches your chip:
220 * SP vs LP, 8bit vs 16bit: GPMC_NAND_HW_ECC_LAYOUT
222 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
224 #define CONFIG_SYS_NAND_ECCSIZE 512
225 #define CONFIG_SYS_NAND_ECCBYTES 3
226 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
228 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
229 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
231 #define CONFIG_SPL_TEXT_BASE 0x40200800
232 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
233 CONFIG_SPL_TEXT_BASE)
236 * Use 0x80008000 as TEXT_BASE here for compatibility reasons with the
237 * older x-loader implementations. And move the BSS area so that it
238 * doesn't overlap with TEXT_BASE.
240 #define CONFIG_SPL_BSS_START_ADDR 0x80100000
241 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
243 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000
244 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
246 #endif /* __CONFIG_H */