diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/am335x_evm.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h new file mode 100644 index 0000000..b471c9b --- /dev/null +++ b/include/configs/am335x_evm.h @@ -0,0 +1,122 @@ +/* + * am335x_evm.h + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __CONFIG_AM335X_EVM_H +#define __CONFIG_AM335X_EVM_H + +#define CONFIG_AM335X +#define CONFIG_CMD_MEMORY /* for mtest */ +#undef CONFIG_GZIP +#undef CONFIG_ZLIB +#undef CONFIG_SYS_HUSH_PARSER +#undef CONFIG_CMD_NET + +#include <asm/arch/cpu.h> +#include <asm/arch/hardware.h> + +#define CONFIG_SETUP_PLL +#define CONFIG_AM335X_CONFIG_DDR +#define CONFIG_ENV_SIZE 0x400 +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024)) +#define CONFIG_SYS_PROMPT "AM335X# " +#define CONFIG_SYS_NO_FLASH +#define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM + +#define CONFIG_CMD_ASKENV +#define CONFIG_VERSION_VARIABLE + +/* set to negative value for no autoboot */ +#define CONFIG_BOOTDELAY 3 +#define CONFIG_SYS_AUTOLOAD "no" +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_EXTRA_ENV_SETTINGS \ + "verify=yes\0" \ + "ramdisk_file=ramdisk.gz\0" \ + +/* Clock Defines */ +#define V_OSCK 24000000 /* Clock output from T2 */ +#define V_SCLK (V_OSCK >> 1) + +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for + initial data */ +#define CONFIG_CMD_ECHO + +/* max number of command args */ +#define CONFIG_SYS_MAXARGS 32 + +/* Console I/O Buffer Size */ +#define CONFIG_SYS_CBSIZE 512 + +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ + + sizeof(CONFIG_SYS_PROMPT) + 16) + +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* + * memtest works on 8 MB in DRAM after skipping 32MB from + * start addr of ram disk + */ +#define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ + + (8 * 1024 * 1024)) + +#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */ +#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ +#define CONFIG_SYS_HZ 1000 /* 1ms clock */ + + /* Physical Memory Map */ +#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ +#define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ +#define PHYS_DRAM_1_SIZE 0x10000000 /*(0x80000000 / 8) 256 MB */ +#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ + +#define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \ + GENERATED_GBL_DATA_SIZE) + /* Platform/Board specific defs */ +#define CONFIG_SYS_CLK_FREQ 24000000 +#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ +#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ +#define CONFIG_SYS_HZ 1000 + +/* NS16550 Configuration */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_CLK (48000000) +#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ +#define CONFIG_SYS_NS16550_COM4 0x481A6000 /* UART3 on IA BOard */ + +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ +4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } + +/* + * select serial console configuration + */ +#define CONFIG_SERIAL1 1 +#define CONFIG_CONS_INDEX 1 +#define CONFIG_SYS_CONSOLE_INFO_QUIET + +#define CONFIG_ENV_IS_NOWHERE + +#define CONFIG_SYS_TEXT_BASE 0x402f0400 + +/* Unsupported features */ +#undef CONFIG_USE_IRQ + +#endif /* ! __CONFIG_AM335X_EVM_H */ |