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Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/omap3_overo.h | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h new file mode 100644 index 0000000..dee0417 --- /dev/null +++ b/include/configs/omap3_overo.h @@ -0,0 +1,318 @@ +/* + * Configuration settings for the Gumstix Overo board. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H +#include <asm/sizes.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_OMAP3430 1 /* which is in a 3430 */ +#define CONFIG_OMAP3_OVERO 1 /* working with overo */ + +#include <asm/arch/cpu.h> /* get chip and board defs */ +#include <asm/arch/omap3.h> + +/* 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 SZ_128K /* Total Size Environment */ + /* Sector */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_128K) +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ + /* initial data */ + +/* + * 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 + +/* 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 */ +#undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */ +#undef CONFIG_CMD_NFS /* NFS support */ + +#define CONFIG_SYS_NO_FLASH +#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 + +/* + * Board NAND Info. + */ +#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 GPMC_NAND_ECC_LP_x16_LAYOUT 1 + +#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ + /* devices */ +#define SECTORSIZE 512 + +#define NAND_ALLOW_ERASE_ALL +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 +#define NAND_MAX_CHIPS 1 +#define NAND_NO_RB 1 +#define CONFIG_SYS_NAND_WP + +#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 /* size of jffs2 */ + /* partition */ + +/* Environment information */ +#define CONFIG_BOOTDELAY 5 + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "loadaddr=0x82000000\0" \ + "console=ttyS2,115200n8\0" \ + "videomode=1024x768@60,vxres=1024,vyres=768\0" \ + "videospec=omapfb:vram:2M,vram:4M\0" \ + "mmcargs=setenv bootargs console=${console} " \ + "video=${videospec},mode:${videomode} " \ + "root=/dev/mmcblk0p2 rw " \ + "rootfstype=ext3 rootwait\0" \ + "nandargs=setenv bootargs console=${console} " \ + "video=${videospec},mode:${videomode} " \ + "root=/dev/mtdblock4 rw " \ + "rootfstype=jffs2\0" \ + "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "autoscr ${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 mmcinit; 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 "Overo # " + +#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 */ + +#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, */ + /* in Hz */ + +#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ + /* address */ + +/* + * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by + * 32KHz clk, or from external sig. This rate is divided by a local divisor. + */ +#define V_PVT 7 + +#define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) +#define CONFIG_SYS_PVT V_PVT /* 2^(pvt+1) */ +#define CONFIG_SYS_HZ ((V_SCLK) / (2 << CONFIG_SYS_PVT)) + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE SZ_128K /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */ +#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 SZ_32M /* at least 32 meg */ +#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 SZ_256K /* 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_SYS_ONENAND_BASE ONENAND_MAP + +#define CONFIG_ENV_IS_IN_NAND 1 +#define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ +#define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ + +#define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec +#define CONFIG_ENV_OFFSET boot_flash_off +#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET + +/*----------------------------------------------------------------------- + * 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 gpmc_csx_t *nand_cs_base; +extern gpmc_t *gpmc_cfg_base; +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 + + +#define WRITE_NAND_COMMAND(d, adr)\ + writel(d, &nand_cs_base->nand_cmd) +#define WRITE_NAND_ADDRESS(d, adr)\ + writel(d, &nand_cs_base->nand_adr) +#define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat) +#define READ_NAND(adr) readl(&nand_cs_base->nand_dat) + +/* Other NAND Access APIs */ +#define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \ + while (0) +#define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \ + while (0) +#define NAND_DISABLE_CE(nand) +#define NAND_ENABLE_CE(nand) +#define NAND_WAIT_READY(nand) udelay(10) + +#endif /* __CONFIG_H */ |