| /* |
| * am3517_evm.h - Default configuration for AM3517 EVM board. |
| * |
| * Author: Vaibhav Hiremath <hvaibhav@ti.com> |
| * |
| * Based on omap3_evm_config.h |
| * |
| * Copyright (C) 2010 Texas Instruments Incorporated |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * High Level Configuration Options |
| */ |
| #define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */ |
| #define CONFIG_OMAP 1 /* in a TI OMAP core */ |
| #define CONFIG_OMAP34XX 1 /* which is a 34XX */ |
| #define CONFIG_OMAP3_AM3517EVM 1 /* working with AM3517EVM */ |
| |
| #define CONFIG_EMIF4 /* The chip has EMIF4 controller */ |
| |
| #include <asm/arch/cpu.h> /* get chip and board defs */ |
| #include <asm/arch/omap3.h> |
| |
| /* |
| * Display CPU and Board information |
| */ |
| #define CONFIG_DISPLAY_CPUINFO 1 |
| #define CONFIG_DISPLAY_BOARDINFO 1 |
| |
| /* Clock Defines */ |
| #define V_OSCK 26000000 /* Clock output from T2 */ |
| #define V_SCLK (V_OSCK >> 1) |
| |
| #undef CONFIG_USE_IRQ /* no support for IRQs */ |
| #define CONFIG_MISC_INIT_R |
| |
| #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ |
| #define CONFIG_SETUP_MEMORY_TAGS 1 |
| #define CONFIG_INITRD_TAG 1 |
| #define CONFIG_REVISION_TAG 1 |
| |
| /* |
| * Size of malloc() pool |
| */ |
| #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ |
| #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) |
| #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ |
| /* initial data */ |
| /* |
| * DDR related |
| */ |
| #define CONFIG_OMAP3_MICRON_DDR 1 /* Micron DDR */ |
| #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) |
| |
| /* |
| * Hardware drivers |
| */ |
| |
| /* |
| * NS16550 Configuration |
| */ |
| #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ |
| |
| #define CONFIG_SYS_NS16550 |
| #define CONFIG_SYS_NS16550_SERIAL |
| #define CONFIG_SYS_NS16550_REG_SIZE (-4) |
| #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK |
| |
| /* |
| * select serial console configuration |
| */ |
| #define CONFIG_CONS_INDEX 3 |
| #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 |
| #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ |
| |
| /* 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_MMC 1 |
| #define CONFIG_OMAP3_MMC 1 |
| #define CONFIG_DOS_PARTITION 1 |
| |
| /* commands to include */ |
| #include <config_cmd_default.h> |
| |
| #define CONFIG_CMD_EXT2 /* EXT2 Support */ |
| #define CONFIG_CMD_FAT /* FAT support */ |
| #define CONFIG_CMD_JFFS2 /* JFFS2 Support */ |
| |
| #define CONFIG_CMD_I2C /* I2C serial bus support */ |
| #define CONFIG_CMD_MMC /* MMC support */ |
| #define CONFIG_CMD_NAND /* NAND support */ |
| #define CONFIG_CMD_DHCP |
| #define CONFIG_CMD_PING |
| |
| #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ |
| #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ |
| #undef CONFIG_CMD_IMI /* iminfo */ |
| #undef CONFIG_CMD_IMLS /* List all found images */ |
| |
| #define CONFIG_SYS_NO_FLASH |
| #define CONFIG_HARD_I2C 1 |
| #define CONFIG_SYS_I2C_SPEED 100000 |
| #define CONFIG_SYS_I2C_SLAVE 1 |
| #define CONFIG_SYS_I2C_BUS 0 |
| #define CONFIG_SYS_I2C_BUS_SELECT 1 |
| #define CONFIG_DRIVER_OMAP34XX_I2C 1 |
| |
| #undef CONFIG_CMD_NET |
| /* |
| * Board NAND Info. |
| */ |
| #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 */ |
| #define CONFIG_SYS_64BIT_VSPRINTF /* needed for nand_util.c */ |
| |
| #define CONFIG_JFFS2_NAND |
| /* nand device jffs2 lives on */ |
| #define CONFIG_JFFS2_DEV "nand0" |
| /* start of jffs2 partition */ |
| #define CONFIG_JFFS2_PART_OFFSET 0x680000 |
| #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* sz of jffs2 part */ |
| |
| /* Environment information */ |
| #define CONFIG_BOOTDELAY 10 |
| |
| #define CONFIG_BOOTFILE uImage |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "loadaddr=0x82000000\0" \ |
| "console=ttyS2,115200n8\0" \ |
| "mmcargs=setenv bootargs console=${console} " \ |
| "root=/dev/mmcblk0p2 rw " \ |
| "rootfstype=ext3 rootwait\0" \ |
| "nandargs=setenv bootargs console=${console} " \ |
| "root=/dev/mtdblock4 rw " \ |
| "rootfstype=jffs2\0" \ |
| "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ |
| "bootscript=echo Running bootscript from mmc ...; " \ |
| "source ${loadaddr}\0" \ |
| "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \ |
| "mmcboot=echo Booting from mmc ...; " \ |
| "run mmcargs; " \ |
| "bootm ${loadaddr}\0" \ |
| "nandboot=echo Booting from nand ...; " \ |
| "run nandargs; " \ |
| "nand read ${loadaddr} 280000 400000; " \ |
| "bootm ${loadaddr}\0" \ |
| |
| #define CONFIG_BOOTCOMMAND \ |
| "if mmc init; then " \ |
| "if run loadbootscript; then " \ |
| "run bootscript; " \ |
| "else " \ |
| "if run loaduimage; then " \ |
| "run mmcboot; " \ |
| "else run nandboot; " \ |
| "fi; " \ |
| "fi; " \ |
| "else run nandboot; fi" |
| |
| #define CONFIG_AUTO_COMPLETE 1 |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define V_PROMPT "AM3517_EVM # " |
| |
| #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
| #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ |
| #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " |
| #define CONFIG_SYS_PROMPT V_PROMPT |
| #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) |
| /* memtest works on */ |
| #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) |
| #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ |
| 0x01F00000) /* 31MB */ |
| |
| #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ |
| /* address */ |
| |
| /* |
| * 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 |
| |
| /*----------------------------------------------------------------------- |
| * Stack sizes |
| * |
| * The stack sizes are set up in start.S using the settings below |
| */ |
| #define CONFIG_STACKSIZE (128 << 10) /* regular stack 128 KiB */ |
| #ifdef CONFIG_USE_IRQ |
| #define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack 4 KiB */ |
| #define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack 4 KiB */ |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * Physical Memory Map |
| */ |
| #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ |
| #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 |
| #define PHYS_SDRAM_1_SIZE (32 << 20) /* at least 32 MiB */ |
| #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 |
| |
| /* SDRAM Bank Allocation method */ |
| #define SDRC_R_B_C 1 |
| |
| /*----------------------------------------------------------------------- |
| * FLASH and environment organization |
| */ |
| |
| /* **** PISMO SUPPORT *** */ |
| |
| /* Configure the PISMO */ |
| #define PISMO1_NAND_SIZE GPMC_SIZE_128M |
| #define PISMO1_ONEN_SIZE GPMC_SIZE_128M |
| |
| #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ |
| /* on one chip */ |
| #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ |
| #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ |
| |
| #define CONFIG_SYS_FLASH_BASE boot_flash_base |
| |
| /* Monitor at start of flash */ |
| #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE |
| |
| #define CONFIG_NAND_OMAP_GPMC |
| #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 |
| #define CONFIG_ENV_IS_IN_NAND 1 |
| #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ |
| |
| #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec |
| #define CONFIG_ENV_OFFSET boot_flash_off |
| #define CONFIG_ENV_ADDR boot_flash_env_addr |
| |
| /*----------------------------------------------------------------------- |
| * CFI FLASH driver setup |
| */ |
| /* timeout values are in ticks */ |
| #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) |
| #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) |
| |
| /* Flash banks JFFS2 should use */ |
| #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ |
| CONFIG_SYS_MAX_NAND_DEVICE) |
| #define CONFIG_SYS_JFFS2_MEM_NAND |
| /* use flash_info[2] */ |
| #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS |
| #define CONFIG_SYS_JFFS2_NUM_BANKS 1 |
| |
| #ifndef __ASSEMBLY__ |
| extern unsigned int boot_flash_base; |
| extern volatile unsigned int boot_flash_env_addr; |
| extern unsigned int boot_flash_off; |
| extern unsigned int boot_flash_sec; |
| extern unsigned int boot_flash_type; |
| #endif |
| |
| #endif /* __CONFIG_H */ |