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Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/davinci_dm355evm.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/include/configs/davinci_dm355evm.h b/include/configs/davinci_dm355evm.h new file mode 100644 index 0000000..9a7df08 --- /dev/null +++ b/include/configs/davinci_dm355evm.h @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2009 David Brownell + * + * 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> + +/* Spectrum Digital TMS320DM355 EVM board */ +#define DAVINCI_DM355EVM + +#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is a 3rd stage loader */ +#define CONFIG_SKIP_RELOCATE_UBOOT +#define CONFIG_SYS_NO_FLASH /* that is, no *NOR* flash */ +#define CONFIG_SYS_CONSOLE_INFO_QUIET +#define CONFIG_DISPLAY_CPUINFO + +/* SoC Configuration */ +#define CONFIG_ARM926EJS /* arm926ejs CPU */ +#define CONFIG_SYS_TIMERBASE 0x01c21400 /* use timer 0 */ +#define CONFIG_SYS_HZ_CLOCK 24000000 /* timer0 freq */ +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SOC_DM355 + +/* Memory Info */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1 0x80000000 +#define PHYS_SDRAM_1_SIZE SZ_128M + +/* Serial Driver info: UART0 for console */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE -4 +#define CONFIG_SYS_NS16550_COM1 0x01c20000 +#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_HZ_CLOCK +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 + +/* Ethernet: external DM9000 */ +#define CONFIG_DRIVER_DM9000 1 +#define CONFIG_DM9000_BASE 0x04014000 +#define DM9000_IO CONFIG_DM9000_BASE +#define DM9000_DATA (CONFIG_DM9000_BASE + 2) + +/* I2C */ +#define CONFIG_HARD_I2C +#define CONFIG_DRIVER_DAVINCI_I2C +#define CONFIG_SYS_I2C_SPEED 400000 +#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */ + +/* NAND: socketed, two chipselects, normally 2 GBytes */ +/* NYET -- #define CONFIG_NAND_DAVINCI */ +#define CONFIG_SYS_NAND_HW_ECC +#define CONFIG_SYS_NAND_USE_FLASH_BBT + +#define CONFIG_SYS_NAND_LARGEPAGE +#define CONFIG_SYS_NAND_BASE_LIST { 0x02000000, } +/* socket has two chipselects, nCE0 gated by address BIT(14) */ +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_MAX_CHIPS 2 + +/* USB: OTG connector */ +/* NYET -- #define CONFIG_USB_DAVINCI */ + +/* U-Boot command configuration */ +#include <config_cmd_default.h> + +#undef CONFIG_CMD_BDI +#undef CONFIG_CMD_FLASH +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_SETGETDCR + +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_I2C +#define CONFIG_CMD_PING +#define CONFIG_CMD_SAVES + +#ifdef CONFIG_NAND_DAVINCI +#define CONFIG_CMD_MTDPARTS +#define CONFIG_MTD_PARTITIONS +#define CONFIG_CMD_NAND +#define CONFIG_CMD_UBI +#define CONFIG_RBTREE +#endif + +/* TEMPORARY -- no safe place to save env, yet */ +#define CONFIG_ENV_IS_NOWHERE +#undef CONFIG_CMD_SAVEENV + +#ifdef CONFIG_USB_DAVINCI +#define CONFIG_MUSB_HCD +#define CONFIG_CMD_USB +#define CONFIG_USB_STORAGE +#else +#undef CONFIG_MUSB_HCD +#undef CONFIG_CMD_USB +#undef CONFIG_USB_STORAGE +#endif + +#define CONFIG_CRC32_VERIFY +#define CONFIG_MX_CYCLIC + +/* U-Boot general configuration */ +#undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */ +#define CONFIG_BOOTFILE "uImage" /* Boot file name */ +#define CONFIG_SYS_PROMPT "DM355 EVM # " /* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE /* Print buffer size */ \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_SYS_LONGHELP + +#define CONFIG_ENV_SIZE SZ_16K + +/* NYET -- #define CONFIG_BOOTDELAY 5 */ +#define CONFIG_BOOTCOMMAND \ + "dhcp;bootm" +#define CONFIG_BOOTARGS \ + "console=ttyS0,115200n8 " \ + "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro" + +#define CONFIG_CMDLINE_EDITING +#define CONFIG_VERSION_VARIABLE +#define CONFIG_TIMESTAMP + +#define CONFIG_NET_RETRY_COUNT 10 + +/* U-Boot memory configuration */ +#define CONFIG_STACKSIZE SZ_256K /* regular stack */ +#define CONFIG_SYS_MALLOC_LEN SZ_512K /* malloc() arena */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */ +#define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */ +#define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */ + +/* Linux interfacing */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */ +#define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */ + + +/* NAND configuration ... socketed with two chipselects. It normally comes + * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other + * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC + * pretty much demands the 4-bit ECC support.) You can of course swap in + * other parts, including small page ones. + * + * This presents a single read-only partition for all bootloader stuff. + * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and + * some extra space to help cope with bad blocks in that data. Linux + * shouldn't care about its detailed layout, and will probably want to use + * UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to + * override this default partitioning using MTDPARTS and cmdlinepart. + */ +#define MTDIDS_DEFAULT "nand0=davinci_nand.0" + +#ifdef CONFIG_SYS_NAND_LARGEPAGE +/* Use same layout for 128K/256K blocks; allow some bad blocks */ +#define PART_BOOT "2m(bootloader)ro," +#else +/* Assume 16K erase blocks; allow a few bad ones. */ +#define PART_BOOT "512k(bootloader)ro," +#endif + +#define PART_KERNEL "4m(kernel)," /* kernel + initramfs */ +#define PART_REST "-(filesystem)" + +#define MTDPARTS_DEFAULT \ + "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST + +#endif /* __CONFIG_H */ |