1 /* 2 * (C) Copyright 2013 CompuLab, Ltd. 3 * Author: Igor Grinberg <grinberg@compulab.co.il> 4 * 5 * Configuration settings for the CompuLab CM-T3517 board 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __CONFIG_H 11 #define __CONFIG_H 12 13 /* 14 * High Level Configuration Options 15 */ 16 #define CONFIG_OMAP /* in a TI OMAP core */ 17 #define CONFIG_CM_T3517 /* working with CM-T3517 */ 18 #define CONFIG_OMAP_COMMON 19 /* Common ARM Erratas */ 20 #define CONFIG_ARM_ERRATA_454179 21 #define CONFIG_ARM_ERRATA_430973 22 #define CONFIG_ARM_ERRATA_621766 23 24 #define CONFIG_SYS_TEXT_BASE 0x80008000 25 26 /* 27 * This is needed for the DMA stuff. 28 * Although the default iss 64, we still define it 29 * to be on the safe side once the default is changed. 30 */ 31 32 #define CONFIG_EMIF4 /* The chip has EMIF4 controller */ 33 34 #include <asm/arch/cpu.h> /* get chip and board defs */ 35 #include <asm/arch/omap.h> 36 37 #define CONFIG_MACH_TYPE MACH_TYPE_CM_T3517 38 39 /* Clock Defines */ 40 #define V_OSCK 26000000 /* Clock output from T2 */ 41 #define V_SCLK (V_OSCK >> 1) 42 43 #define CONFIG_MISC_INIT_R 44 45 /* 46 * The early kernel mapping on ARM currently only maps from the base of DRAM 47 * to the end of the kernel image. The kernel is loaded at DRAM base + 0x8000. 48 * The early kernel pagetable uses DRAM base + 0x4000 to DRAM base + 0x8000, 49 * so that leaves DRAM base to DRAM base + 0x4000 available. 50 */ 51 #define CONFIG_SYS_BOOTMAPSZ 0x4000 52 53 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 54 #define CONFIG_SETUP_MEMORY_TAGS 55 #define CONFIG_INITRD_TAG 56 #define CONFIG_REVISION_TAG 57 #define CONFIG_SERIAL_TAG 58 59 /* 60 * Size of malloc() pool 61 */ 62 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 63 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) 64 65 /* 66 * Hardware drivers 67 */ 68 69 /* 70 * NS16550 Configuration 71 */ 72 #define CONFIG_SYS_NS16550_SERIAL 73 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 74 #define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 75 76 /* 77 * select serial console configuration 78 */ 79 #define CONFIG_CONS_INDEX 3 80 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 81 #define CONFIG_SERIAL3 3 /* UART3 */ 82 83 /* allow to overwrite serial and ethaddr */ 84 #define CONFIG_ENV_OVERWRITE 85 #define CONFIG_BAUDRATE 115200 86 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 87 115200} 88 89 #define CONFIG_OMAP_GPIO 90 91 #define CONFIG_GENERIC_MMC 92 #define CONFIG_MMC 93 #define CONFIG_OMAP_HSMMC 94 #define CONFIG_DOS_PARTITION 95 96 /* USB */ 97 #define CONFIG_USB_MUSB_AM35X 98 99 #ifndef CONFIG_USB_MUSB_AM35X 100 #define CONFIG_USB_OMAP3 101 #define CONFIG_USB_EHCI 102 #define CONFIG_USB_EHCI_OMAP 103 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 146 104 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 147 105 #else /* !CONFIG_USB_MUSB_AM35X */ 106 #define CONFIG_USB_MUSB_PIO_ONLY 107 #endif /* CONFIG_USB_MUSB_AM35X */ 108 109 /* commands to include */ 110 #define CONFIG_CMD_MTDPARTS /* Enable MTD parts commands */ 111 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 112 #define CONFIG_MTD_PARTITIONS 113 #define MTDIDS_DEFAULT "nand0=nand" 114 #define MTDPARTS_DEFAULT "mtdparts=nand:512k(x-loader),"\ 115 "1920k(u-boot),256k(u-boot-env),"\ 116 "4m(kernel),-(fs)" 117 118 #define CONFIG_CMD_NAND /* NAND support */ 119 120 #define CONFIG_SYS_NO_FLASH 121 #define CONFIG_SYS_I2C 122 #define CONFIG_SYS_OMAP24_I2C_SPEED 400000 123 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 124 #define CONFIG_SYS_I2C_OMAP34XX 125 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 126 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 127 #define CONFIG_SYS_I2C_EEPROM_BUS 0 128 #define CONFIG_I2C_MULTI_BUS 129 130 /* 131 * Board NAND Info. 132 */ 133 #define CONFIG_NAND_OMAP_GPMC 134 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 135 /* to access nand */ 136 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 137 /* to access nand at */ 138 /* CS0 */ 139 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 140 /* devices */ 141 142 /* Environment information */ 143 #define CONFIG_EXTRA_ENV_SETTINGS \ 144 "loadaddr=0x82000000\0" \ 145 "baudrate=115200\0" \ 146 "console=ttyO2,115200n8\0" \ 147 "netretry=yes\0" \ 148 "mpurate=auto\0" \ 149 "vram=12M\0" \ 150 "dvimode=1024x768MR-16@60\0" \ 151 "defaultdisplay=dvi\0" \ 152 "mmcdev=0\0" \ 153 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ 154 "mmcrootfstype=ext4\0" \ 155 "nandroot=/dev/mtdblock4 rw\0" \ 156 "nandrootfstype=ubifs\0" \ 157 "mmcargs=setenv bootargs console=${console} " \ 158 "mpurate=${mpurate} " \ 159 "vram=${vram} " \ 160 "omapfb.mode=dvi:${dvimode} " \ 161 "omapdss.def_disp=${defaultdisplay} " \ 162 "root=${mmcroot} " \ 163 "rootfstype=${mmcrootfstype}\0" \ 164 "nandargs=setenv bootargs console=${console} " \ 165 "mpurate=${mpurate} " \ 166 "vram=${vram} " \ 167 "omapfb.mode=dvi:${dvimode} " \ 168 "omapdss.def_disp=${defaultdisplay} " \ 169 "root=${nandroot} " \ 170 "rootfstype=${nandrootfstype}\0" \ 171 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 172 "bootscript=echo Running bootscript from mmc ...; " \ 173 "source ${loadaddr}\0" \ 174 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 175 "mmcboot=echo Booting from mmc ...; " \ 176 "run mmcargs; " \ 177 "bootm ${loadaddr}\0" \ 178 "nandboot=echo Booting from nand ...; " \ 179 "run nandargs; " \ 180 "nand read ${loadaddr} 2a0000 400000; " \ 181 "bootm ${loadaddr}\0" \ 182 183 #define CONFIG_BOOTCOMMAND \ 184 "mmc dev ${mmcdev}; if mmc rescan; then " \ 185 "if run loadbootscript; then " \ 186 "run bootscript; " \ 187 "else " \ 188 "if run loaduimage; then " \ 189 "run mmcboot; " \ 190 "else run nandboot; " \ 191 "fi; " \ 192 "fi; " \ 193 "else run nandboot; fi" 194 195 /* 196 * Miscellaneous configurable options 197 */ 198 #define CONFIG_AUTO_COMPLETE 199 #define CONFIG_CMDLINE_EDITING 200 #define CONFIG_TIMESTAMP 201 #define CONFIG_SYS_AUTOLOAD "no" 202 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 203 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 204 /* Print Buffer Size */ 205 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 206 sizeof(CONFIG_SYS_PROMPT) + 16) 207 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */ 208 /* Boot Argument Buffer Size */ 209 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 210 211 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0 + 0x02000000) 212 213 /* 214 * AM3517 has 12 GP timers, they can be driven by the system clock 215 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 216 * This rate is divided by a local divisor. 217 */ 218 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 219 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 220 #define CONFIG_SYS_HZ 1000 221 222 /*----------------------------------------------------------------------- 223 * Physical Memory Map 224 */ 225 #define CONFIG_NR_DRAM_BANKS 1 /* CM-T3517 DRAM is only on CS0 */ 226 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 227 #define CONFIG_SYS_CS0_SIZE (256 << 20) 228 229 /*----------------------------------------------------------------------- 230 * FLASH and environment organization 231 */ 232 233 /* **** PISMO SUPPORT *** */ 234 /* Monitor at start of flash */ 235 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 236 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 237 238 #define CONFIG_ENV_IS_IN_NAND 239 #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ 240 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 241 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 242 243 #if defined(CONFIG_CMD_NET) 244 #define CONFIG_DRIVER_TI_EMAC 245 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 246 #define CONFIG_MII 247 #define CONFIG_SMC911X 248 #define CONFIG_SMC911X_32_BIT 249 #define CONFIG_SMC911X_BASE (0x2C000000 + (16 << 20)) 250 #define CONFIG_ARP_TIMEOUT 200UL 251 #define CONFIG_NET_RETRY_COUNT 5 252 #endif /* CONFIG_CMD_NET */ 253 254 /* additions for new relocation code, must be added to all boards */ 255 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 256 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 257 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 258 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 259 CONFIG_SYS_INIT_RAM_SIZE - \ 260 GENERATED_GBL_DATA_SIZE) 261 262 /* Status LED */ 263 #define CONFIG_STATUS_LED /* Status LED enabled */ 264 #define CONFIG_BOARD_SPECIFIC_LED 265 #define CONFIG_GPIO_LED 266 #define GREEN_LED_GPIO 186 /* CM-T3517 Green LED is GPIO186 */ 267 #define GREEN_LED_DEV 0 268 #define STATUS_LED_BIT GREEN_LED_GPIO 269 #define STATUS_LED_STATE STATUS_LED_ON 270 #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) 271 #define STATUS_LED_BOOT GREEN_LED_DEV 272 273 /* GPIO banks */ 274 #ifdef CONFIG_STATUS_LED 275 #define CONFIG_OMAP3_GPIO_6 /* GPIO186 is in GPIO bank 6 */ 276 #endif 277 278 /* Display Configuration */ 279 #define CONFIG_OMAP3_GPIO_2 280 #define CONFIG_OMAP3_GPIO_5 281 #define CONFIG_VIDEO_OMAP3 282 #define LCD_BPP LCD_COLOR16 283 284 #define CONFIG_SPLASH_SCREEN 285 #define CONFIG_SPLASHIMAGE_GUARD 286 #define CONFIG_CMD_BMP 287 #define CONFIG_BMP_16BPP 288 #define CONFIG_SCF0403_LCD 289 290 #define CONFIG_OMAP3_SPI 291 292 /* EEPROM */ 293 #define CONFIG_CMD_EEPROM 294 #define CONFIG_ENV_EEPROM_IS_ON_I2C 295 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 296 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 297 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 298 #define CONFIG_SYS_EEPROM_SIZE 256 299 300 #define CONFIG_CMD_EEPROM_LAYOUT 301 #define CONFIG_EEPROM_LAYOUT_HELP_STRING "v1, v2, v3" 302 303 #endif /* __CONFIG_H */ 304