1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2013 CompuLab, Ltd. 4 * Author: Igor Grinberg <grinberg@compulab.co.il> 5 * 6 * Configuration settings for the CompuLab CM-T3517 board 7 */ 8 9 #ifndef __CONFIG_H 10 #define __CONFIG_H 11 12 /* 13 * High Level Configuration Options 14 */ 15 #define CONFIG_CM_T3517 /* working with CM-T3517 */ 16 17 /* 18 * This is needed for the DMA stuff. 19 * Although the default iss 64, we still define it 20 * to be on the safe side once the default is changed. 21 */ 22 23 #include <asm/arch/cpu.h> /* get chip and board defs */ 24 #include <asm/arch/omap.h> 25 26 #define CONFIG_MACH_TYPE MACH_TYPE_CM_T3517 27 28 /* Clock Defines */ 29 #define V_OSCK 26000000 /* Clock output from T2 */ 30 #define V_SCLK (V_OSCK >> 1) 31 32 /* 33 * The early kernel mapping on ARM currently only maps from the base of DRAM 34 * to the end of the kernel image. The kernel is loaded at DRAM base + 0x8000. 35 * The early kernel pagetable uses DRAM base + 0x4000 to DRAM base + 0x8000, 36 * so that leaves DRAM base to DRAM base + 0x4000 available. 37 */ 38 #define CONFIG_SYS_BOOTMAPSZ 0x4000 39 40 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 41 #define CONFIG_SETUP_MEMORY_TAGS 42 #define CONFIG_INITRD_TAG 43 #define CONFIG_REVISION_TAG 44 #define CONFIG_SERIAL_TAG 45 46 /* 47 * Size of malloc() pool 48 */ 49 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 50 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) 51 52 /* 53 * Hardware drivers 54 */ 55 56 /* 57 * NS16550 Configuration 58 */ 59 #define CONFIG_SYS_NS16550_SERIAL 60 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 61 #define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 62 63 /* 64 * select serial console configuration 65 */ 66 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 67 68 /* allow to overwrite serial and ethaddr */ 69 #define CONFIG_ENV_OVERWRITE 70 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 71 115200} 72 73 /* USB */ 74 75 #ifndef CONFIG_USB_MUSB_AM35X 76 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 146 77 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 147 78 #endif /* CONFIG_USB_MUSB_AM35X */ 79 80 /* commands to include */ 81 82 #define CONFIG_SYS_I2C 83 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 84 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 85 #define CONFIG_SYS_I2C_EEPROM_BUS 0 86 #define CONFIG_I2C_MULTI_BUS 87 88 /* 89 * Board NAND Info. 90 */ 91 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 92 /* to access nand at */ 93 /* CS0 */ 94 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 95 /* devices */ 96 97 /* Environment information */ 98 #define CONFIG_EXTRA_ENV_SETTINGS \ 99 "loadaddr=0x82000000\0" \ 100 "baudrate=115200\0" \ 101 "console=ttyO2,115200n8\0" \ 102 "netretry=yes\0" \ 103 "mpurate=auto\0" \ 104 "vram=12M\0" \ 105 "dvimode=1024x768MR-16@60\0" \ 106 "defaultdisplay=dvi\0" \ 107 "mmcdev=0\0" \ 108 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ 109 "mmcrootfstype=ext4\0" \ 110 "nandroot=/dev/mtdblock4 rw\0" \ 111 "nandrootfstype=ubifs\0" \ 112 "mmcargs=setenv bootargs console=${console} " \ 113 "mpurate=${mpurate} " \ 114 "vram=${vram} " \ 115 "omapfb.mode=dvi:${dvimode} " \ 116 "omapdss.def_disp=${defaultdisplay} " \ 117 "root=${mmcroot} " \ 118 "rootfstype=${mmcrootfstype}\0" \ 119 "nandargs=setenv bootargs console=${console} " \ 120 "mpurate=${mpurate} " \ 121 "vram=${vram} " \ 122 "omapfb.mode=dvi:${dvimode} " \ 123 "omapdss.def_disp=${defaultdisplay} " \ 124 "root=${nandroot} " \ 125 "rootfstype=${nandrootfstype}\0" \ 126 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 127 "bootscript=echo Running bootscript from mmc ...; " \ 128 "source ${loadaddr}\0" \ 129 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 130 "mmcboot=echo Booting from mmc ...; " \ 131 "run mmcargs; " \ 132 "bootm ${loadaddr}\0" \ 133 "nandboot=echo Booting from nand ...; " \ 134 "run nandargs; " \ 135 "nand read ${loadaddr} 2a0000 400000; " \ 136 "bootm ${loadaddr}\0" \ 137 138 #define CONFIG_BOOTCOMMAND \ 139 "mmc dev ${mmcdev}; if mmc rescan; then " \ 140 "if run loadbootscript; then " \ 141 "run bootscript; " \ 142 "else " \ 143 "if run loaduimage; then " \ 144 "run mmcboot; " \ 145 "else run nandboot; " \ 146 "fi; " \ 147 "fi; " \ 148 "else run nandboot; fi" 149 150 /* 151 * Miscellaneous configurable options 152 */ 153 #define CONFIG_TIMESTAMP 154 #define CONFIG_SYS_AUTOLOAD "no" 155 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 156 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */ 157 158 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0 + 0x02000000) 159 160 /* 161 * AM3517 has 12 GP timers, they can be driven by the system clock 162 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 163 * This rate is divided by a local divisor. 164 */ 165 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 166 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 167 #define CONFIG_SYS_HZ 1000 168 169 /*----------------------------------------------------------------------- 170 * Physical Memory Map 171 */ 172 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 173 #define CONFIG_SYS_CS0_SIZE (256 << 20) 174 175 /*----------------------------------------------------------------------- 176 * FLASH and environment organization 177 */ 178 179 /* **** PISMO SUPPORT *** */ 180 /* Monitor at start of flash */ 181 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 182 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 183 184 #define CONFIG_ENV_OFFSET 0x260000 185 #define CONFIG_ENV_ADDR 0x260000 186 187 #if defined(CONFIG_CMD_NET) 188 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 189 #define CONFIG_ARP_TIMEOUT 200UL 190 #define CONFIG_NET_RETRY_COUNT 5 191 #endif /* CONFIG_CMD_NET */ 192 193 /* additions for new relocation code, must be added to all boards */ 194 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 195 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 196 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 197 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 198 CONFIG_SYS_INIT_RAM_SIZE - \ 199 GENERATED_GBL_DATA_SIZE) 200 201 /* Status LED */ 202 #define GREEN_LED_GPIO 186 /* CM-T3517 Green LED is GPIO186 */ 203 204 /* Display Configuration */ 205 #define LCD_BPP LCD_COLOR16 206 207 #define CONFIG_SPLASH_SCREEN 208 #define CONFIG_SPLASHIMAGE_GUARD 209 #define CONFIG_BMP_16BPP 210 #define CONFIG_SCF0403_LCD 211 212 /* EEPROM */ 213 #define CONFIG_ENV_EEPROM_IS_ON_I2C 214 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 215 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 216 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 217 #define CONFIG_SYS_EEPROM_SIZE 256 218 219 #endif /* __CONFIG_H */ 220