From b09bf72317e3bb939d29fbfc149fa0a2d993c48a Mon Sep 17 00:00:00 2001 From: Igor Grinberg Date: Wed, 5 Nov 2014 14:25:35 +0200 Subject: omap3: cm-t3517: add basic board support CompuLab cm-t3517 is Computer on Module (CoM) based on AM3517 SoC. Features: up to 256MB DDR2, up to 512MB NAND, USB hub, mUSB, WiFi, BT, Analog audio codec, touch screen controller, LED. Add basic support including: LED, Serial console, NAND, MMC, GPIO, I2C, 256MB DRAM. Signed-off-by: Igor Grinberg --- include/configs/cm_t3517.h | 277 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 277 insertions(+) create mode 100644 include/configs/cm_t3517.h (limited to 'include/configs') diff --git a/include/configs/cm_t3517.h b/include/configs/cm_t3517.h new file mode 100644 index 0000000..d691b9f --- /dev/null +++ b/include/configs/cm_t3517.h @@ -0,0 +1,277 @@ +/* + * (C) Copyright 2013 CompuLab, Ltd. + * Author: Igor Grinberg + * + * Configuration settings for the CompuLab CM-T3517 board + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + */ +#define CONFIG_OMAP /* in a TI OMAP core */ +#define CONFIG_CM_T3517 /* working with CM-T3517 */ +#define CONFIG_OMAP_COMMON +#define CONFIG_SYS_GENERIC_BOARD + +#define CONFIG_SYS_TEXT_BASE 0x80008000 + +/* + * This is needed for the DMA stuff. + * Although the default iss 64, we still define it + * to be on the safe side once the default is changed. + */ +#define CONFIG_SYS_CACHELINE_SIZE 64 + +#define CONFIG_EMIF4 /* The chip has EMIF4 controller */ + +#include /* get chip and board defs */ +#include + +/* + * Display CPU and Board information + */ +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +/* Clock Defines */ +#define V_OSCK 26000000 /* Clock output from T2 */ +#define V_SCLK (V_OSCK >> 1) + +#define CONFIG_MISC_INIT_R + +#define CONFIG_OF_LIBFDT +/* + * The early kernel mapping on ARM currently only maps from the base of DRAM + * to the end of the kernel image. The kernel is loaded at DRAM base + 0x8000. + * The early kernel pagetable uses DRAM base + 0x4000 to DRAM base + 0x8000, + * so that leaves DRAM base to DRAM base + 0x4000 available. + */ +#define CONFIG_SYS_BOOTMAPSZ 0x4000 + +#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_REVISION_TAG +#define CONFIG_SERIAL_TAG + +/* + * Size of malloc() pool + */ +#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) + +/* + * Hardware drivers + */ + +/* + * NS16550 Configuration + */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ + +/* + * select serial console configuration + */ +#define CONFIG_CONS_INDEX 3 +#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 +#define CONFIG_SERIAL3 3 /* UART3 */ +#define CONFIG_SYS_CONSOLE_IS_IN_ENV + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ + 115200} + +#define CONFIG_OMAP_GPIO + +#define CONFIG_GENERIC_MMC +#define CONFIG_MMC +#define CONFIG_OMAP_HSMMC +#define CONFIG_DOS_PARTITION + +/* commands to include */ +#include + +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_EXT2 /* EXT2 Support */ +#define CONFIG_CMD_FAT /* FAT support */ +#define CONFIG_CMD_MTDPARTS /* Enable MTD parts commands */ +#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ +#define CONFIG_MTD_PARTITIONS +#define MTDIDS_DEFAULT "nand0=nand" +#define MTDPARTS_DEFAULT "mtdparts=nand:512k(x-loader),"\ + "1920k(u-boot),256k(u-boot-env),"\ + "4m(kernel),-(fs)" + +#define CONFIG_CMD_I2C /* I2C serial bus support */ +#define CONFIG_CMD_MMC /* MMC support */ +#define CONFIG_CMD_NAND /* NAND support */ +#define CONFIG_CMD_GPIO + +#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ +#undef CONFIG_CMD_FPGA /* FPGA configuration Support */ +#undef CONFIG_CMD_IMLS /* List all found images */ + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_I2C +#define CONFIG_SYS_OMAP24_I2C_SPEED 400000 +#define CONFIG_SYS_OMAP24_I2C_SLAVE 1 +#define CONFIG_SYS_I2C_OMAP34XX +#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 +#define CONFIG_SYS_I2C_EEPROM_BUS 0 +#define CONFIG_I2C_MULTI_BUS + +/* + * Board NAND Info. + */ +#define CONFIG_SYS_NAND_QUIET_TEST +#define CONFIG_NAND_OMAP_GPMC +#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ + /* to access nand */ +#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ + /* to access nand at */ + /* CS0 */ +#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ + /* devices */ + +/* Environment information */ +#define CONFIG_BOOTDELAY 3 +#define CONFIG_ZERO_BOOTDELAY_CHECK + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "loadaddr=0x82000000\0" \ + "baudrate=115200\0" \ + "console=ttyO2,115200n8\0" \ + "mpurate=auto\0" \ + "vram=12M\0" \ + "dvimode=1024x768MR-16@60\0" \ + "defaultdisplay=dvi\0" \ + "mmcdev=0\0" \ + "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ + "mmcrootfstype=ext4\0" \ + "nandroot=/dev/mtdblock4 rw\0" \ + "nandrootfstype=ubifs\0" \ + "mmcargs=setenv bootargs console=${console} " \ + "mpurate=${mpurate} " \ + "vram=${vram} " \ + "omapfb.mode=dvi:${dvimode} " \ + "omapdss.def_disp=${defaultdisplay} " \ + "root=${mmcroot} " \ + "rootfstype=${mmcrootfstype}\0" \ + "nandargs=setenv bootargs console=${console} " \ + "mpurate=${mpurate} " \ + "vram=${vram} " \ + "omapfb.mode=dvi:${dvimode} " \ + "omapdss.def_disp=${defaultdisplay} " \ + "root=${nandroot} " \ + "rootfstype=${nandrootfstype}\0" \ + "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "source ${loadaddr}\0" \ + "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ + "mmcboot=echo Booting from mmc ...; " \ + "run mmcargs; " \ + "bootm ${loadaddr}\0" \ + "nandboot=echo Booting from nand ...; " \ + "run nandargs; " \ + "nand read ${loadaddr} 2a0000 400000; " \ + "bootm ${loadaddr}\0" \ + +#define CONFIG_CMD_BOOTZ +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "if run loadbootscript; then " \ + "run bootscript; " \ + "else " \ + "if run loaduimage; then " \ + "run mmcboot; " \ + "else run nandboot; " \ + "fi; " \ + "fi; " \ + "else run nandboot; fi" + +/* + * Miscellaneous configurable options + */ +#define CONFIG_AUTO_COMPLETE +#define CONFIG_CMDLINE_EDITING +#define CONFIG_TIMESTAMP +#define CONFIG_SYS_AUTOLOAD "no" +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ +#define CONFIG_SYS_PROMPT "CM-T3517 # " +#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 32 /* max number of command args */ +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) + +#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0 + 0x02000000) + +/* + * AM3517 has 12 GP timers, they can be driven by the system clock + * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). + * This rate is divided by a local divisor. + */ +#define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) +#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ +#define CONFIG_SYS_HZ 1000 + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* CM-T3517 DRAM is only on CS0 */ +#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 +#define CONFIG_SYS_CS0_SIZE (256 << 20) + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ + +/* **** PISMO SUPPORT *** */ +/* Monitor at start of flash */ +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE +#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ + +#define CONFIG_ENV_IS_IN_NAND +#define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ +#define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET +#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET + +/* additions for new relocation code, must be added to all boards */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 +#define CONFIG_SYS_INIT_RAM_SIZE 0x800 +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ + CONFIG_SYS_INIT_RAM_SIZE - \ + GENERATED_GBL_DATA_SIZE) + +/* Status LED */ +#define CONFIG_STATUS_LED /* Status LED enabled */ +#define CONFIG_BOARD_SPECIFIC_LED +#define CONFIG_GPIO_LED +#define GREEN_LED_GPIO 186 /* CM-T3517 Green LED is GPIO186 */ +#define GREEN_LED_DEV 0 +#define STATUS_LED_BIT GREEN_LED_GPIO +#define STATUS_LED_STATE STATUS_LED_ON +#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) +#define STATUS_LED_BOOT GREEN_LED_DEV + +/* GPIO banks */ +#ifdef CONFIG_STATUS_LED +#define CONFIG_OMAP3_GPIO_6 /* GPIO186 is in GPIO bank 6 */ +#endif + +#endif /* __CONFIG_H */ -- cgit v1.1