From: Vaibhav Hiremath hvaibhav@ti.com
Signed-off-by: Vaibhav Hiremath hvaibhav@ti.com --- include/configs/am3517_evm.h | 293 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 293 insertions(+), 0 deletions(-) create mode 100644 include/configs/am3517_evm.h
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h new file mode 100644 index 0000000..d7eef73 --- /dev/null +++ b/include/configs/am3517_evm.h @@ -0,0 +1,293 @@ +/* + * am3517_evm.h - Configuration settings for the TI's AM3517 EVM board. + * + * Author: Vaibhav Hiremath hvaibhav@ti.com + * + * Derived from evm code + * + * Copyright (C) 2009 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_ARMCORTEXA8 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 */ + +#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 size interfaced + */ +#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 */ + +#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 256 /* Console I/O Buffer Size */ +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 16 /* 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 struct gpmc *gpmc_cfg; +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 */