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_CM_T3517 /* working with CM-T3517 */ 17 18 #define CONFIG_SYS_TEXT_BASE 0x80008000 19 20 /* 21 * This is needed for the DMA stuff. 22 * Although the default iss 64, we still define it 23 * to be on the safe side once the default is changed. 24 */ 25 26 #include <asm/arch/cpu.h> /* get chip and board defs */ 27 #include <asm/arch/omap.h> 28 29 #define CONFIG_MACH_TYPE MACH_TYPE_CM_T3517 30 31 /* Clock Defines */ 32 #define V_OSCK 26000000 /* Clock output from T2 */ 33 #define V_SCLK (V_OSCK >> 1) 34 35 #define CONFIG_MISC_INIT_R 36 37 /* 38 * The early kernel mapping on ARM currently only maps from the base of DRAM 39 * to the end of the kernel image. The kernel is loaded at DRAM base + 0x8000. 40 * The early kernel pagetable uses DRAM base + 0x4000 to DRAM base + 0x8000, 41 * so that leaves DRAM base to DRAM base + 0x4000 available. 42 */ 43 #define CONFIG_SYS_BOOTMAPSZ 0x4000 44 45 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 46 #define CONFIG_SETUP_MEMORY_TAGS 47 #define CONFIG_INITRD_TAG 48 #define CONFIG_REVISION_TAG 49 #define CONFIG_SERIAL_TAG 50 51 /* 52 * Size of malloc() pool 53 */ 54 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 55 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) 56 57 /* 58 * Hardware drivers 59 */ 60 61 /* 62 * NS16550 Configuration 63 */ 64 #define CONFIG_SYS_NS16550_SERIAL 65 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 66 #define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 67 68 /* 69 * select serial console configuration 70 */ 71 #define CONFIG_CONS_INDEX 3 72 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 73 #define CONFIG_SERIAL3 3 /* UART3 */ 74 75 /* allow to overwrite serial and ethaddr */ 76 #define CONFIG_ENV_OVERWRITE 77 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 78 115200} 79 80 /* USB */ 81 #define CONFIG_USB_MUSB_AM35X 82 83 #ifndef CONFIG_USB_MUSB_AM35X 84 #define CONFIG_USB_OMAP3 85 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 146 86 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 147 87 #else /* !CONFIG_USB_MUSB_AM35X */ 88 #define CONFIG_USB_MUSB_PIO_ONLY 89 #endif /* CONFIG_USB_MUSB_AM35X */ 90 91 /* commands to include */ 92 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 93 #define CONFIG_MTD_PARTITIONS 94 #define MTDIDS_DEFAULT "nand0=nand" 95 #define MTDPARTS_DEFAULT "mtdparts=nand:512k(x-loader),"\ 96 "1920k(u-boot),256k(u-boot-env),"\ 97 "4m(kernel),-(fs)" 98 99 #define CONFIG_SYS_I2C 100 #define CONFIG_SYS_OMAP24_I2C_SPEED 400000 101 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 102 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 103 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 104 #define CONFIG_SYS_I2C_EEPROM_BUS 0 105 #define CONFIG_I2C_MULTI_BUS 106 107 /* 108 * Board NAND Info. 109 */ 110 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 111 /* to access nand */ 112 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 113 /* to access nand at */ 114 /* CS0 */ 115 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 116 /* devices */ 117 118 /* Environment information */ 119 #define CONFIG_EXTRA_ENV_SETTINGS \ 120 "loadaddr=0x82000000\0" \ 121 "baudrate=115200\0" \ 122 "console=ttyO2,115200n8\0" \ 123 "netretry=yes\0" \ 124 "mpurate=auto\0" \ 125 "vram=12M\0" \ 126 "dvimode=1024x768MR-16@60\0" \ 127 "defaultdisplay=dvi\0" \ 128 "mmcdev=0\0" \ 129 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ 130 "mmcrootfstype=ext4\0" \ 131 "nandroot=/dev/mtdblock4 rw\0" \ 132 "nandrootfstype=ubifs\0" \ 133 "mmcargs=setenv bootargs console=${console} " \ 134 "mpurate=${mpurate} " \ 135 "vram=${vram} " \ 136 "omapfb.mode=dvi:${dvimode} " \ 137 "omapdss.def_disp=${defaultdisplay} " \ 138 "root=${mmcroot} " \ 139 "rootfstype=${mmcrootfstype}\0" \ 140 "nandargs=setenv bootargs console=${console} " \ 141 "mpurate=${mpurate} " \ 142 "vram=${vram} " \ 143 "omapfb.mode=dvi:${dvimode} " \ 144 "omapdss.def_disp=${defaultdisplay} " \ 145 "root=${nandroot} " \ 146 "rootfstype=${nandrootfstype}\0" \ 147 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 148 "bootscript=echo Running bootscript from mmc ...; " \ 149 "source ${loadaddr}\0" \ 150 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 151 "mmcboot=echo Booting from mmc ...; " \ 152 "run mmcargs; " \ 153 "bootm ${loadaddr}\0" \ 154 "nandboot=echo Booting from nand ...; " \ 155 "run nandargs; " \ 156 "nand read ${loadaddr} 2a0000 400000; " \ 157 "bootm ${loadaddr}\0" \ 158 159 #define CONFIG_BOOTCOMMAND \ 160 "mmc dev ${mmcdev}; if mmc rescan; then " \ 161 "if run loadbootscript; then " \ 162 "run bootscript; " \ 163 "else " \ 164 "if run loaduimage; then " \ 165 "run mmcboot; " \ 166 "else run nandboot; " \ 167 "fi; " \ 168 "fi; " \ 169 "else run nandboot; fi" 170 171 /* 172 * Miscellaneous configurable options 173 */ 174 #define CONFIG_AUTO_COMPLETE 175 #define CONFIG_CMDLINE_EDITING 176 #define CONFIG_TIMESTAMP 177 #define CONFIG_SYS_AUTOLOAD "no" 178 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 179 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 180 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */ 181 182 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0 + 0x02000000) 183 184 /* 185 * AM3517 has 12 GP timers, they can be driven by the system clock 186 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 187 * This rate is divided by a local divisor. 188 */ 189 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 190 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 191 #define CONFIG_SYS_HZ 1000 192 193 /*----------------------------------------------------------------------- 194 * Physical Memory Map 195 */ 196 #define CONFIG_NR_DRAM_BANKS 1 /* CM-T3517 DRAM is only on CS0 */ 197 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 198 #define CONFIG_SYS_CS0_SIZE (256 << 20) 199 200 /*----------------------------------------------------------------------- 201 * FLASH and environment organization 202 */ 203 204 /* **** PISMO SUPPORT *** */ 205 /* Monitor at start of flash */ 206 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 207 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 208 209 #define CONFIG_ENV_OFFSET 0x260000 210 #define CONFIG_ENV_ADDR 0x260000 211 212 #if defined(CONFIG_CMD_NET) 213 #define CONFIG_DRIVER_TI_EMAC 214 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 215 #define CONFIG_MII 216 #define CONFIG_ARP_TIMEOUT 200UL 217 #define CONFIG_NET_RETRY_COUNT 5 218 #endif /* CONFIG_CMD_NET */ 219 220 /* additions for new relocation code, must be added to all boards */ 221 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 222 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 223 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 224 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 225 CONFIG_SYS_INIT_RAM_SIZE - \ 226 GENERATED_GBL_DATA_SIZE) 227 228 /* Status LED */ 229 #define GREEN_LED_GPIO 186 /* CM-T3517 Green LED is GPIO186 */ 230 231 /* Display Configuration */ 232 #define CONFIG_VIDEO_OMAP3 233 #define LCD_BPP LCD_COLOR16 234 235 #define CONFIG_SPLASH_SCREEN 236 #define CONFIG_SPLASHIMAGE_GUARD 237 #define CONFIG_BMP_16BPP 238 #define CONFIG_SCF0403_LCD 239 240 /* EEPROM */ 241 #define CONFIG_ENV_EEPROM_IS_ON_I2C 242 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 243 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 244 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 245 #define CONFIG_SYS_EEPROM_SIZE 256 246 247 #endif /* __CONFIG_H */ 248