4 * Richard Woodruff <r-woodruff2@ti.com>
5 * Kshitij Gupta <kshitij@ti.com>
7 * Configuration settings for the 242x TI H4 board.
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 * High Level Configuration Options
34 #define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
35 #define CONFIG_OMAP 1 /* in a TI OMAP core */
36 #define CONFIG_OMAP2420 1 /* which is in a 2420 */
37 #define CONFIG_OMAP2420H4 1 /* and on a H4 board */
38 //#define CONFIG_APTIX 1 /* define if on APTIX test chip */
39 //#define CONFIG_VIRTIO 1 /* Using Virtio simulator */
41 #define PRCM_CONFIG_II 1
42 #define CONFIG_PARTIAL_SRAM 1
44 #include <asm/arch/omap2420.h> /* get chip and board defs */
47 #define V_SCLK 1500000
49 #define V_SCLK 12000000
52 /* input clock of PLL */
53 /* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */
54 #define CONFIG_SYS_CLK_FREQ V_SCLK
56 #undef CONFIG_USE_IRQ /* no support for IRQs */
57 #define CONFIG_MISC_INIT_R
59 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
60 #define CONFIG_SETUP_MEMORY_TAGS 1
61 #define CONFIG_INITRD_TAG 1
64 * Size of malloc() pool
66 #define CFG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */
67 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + SZ_128K)
68 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
77 #define CONFIG_DRIVER_LAN91C96
78 #define CONFIG_LAN91C96_BASE (H4_CS1_BASE+0x300)
79 #define CONFIG_LAN91C96_EXT_PHY
82 * NS16550 Configuration
85 #define V_NS16550_CLK (6000000) /* 6MHz in current MaxSet */
87 #define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */
91 #define CFG_NS16550_SERIAL
92 #define CFG_NS16550_REG_SIZE (-4)
93 #define CFG_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */
94 #define CFG_NS16550_COM1 OMAP2420_UART1
97 * select serial console configuration
99 #define CONFIG_SERIAL1 1 /* UART1 on H4 */
104 #define CONFIG_HARD_I2C
105 #define CFG_I2C_SPEED 100000
106 #define CFG_I2C_SLAVE 1
107 #define CONFIG_DRIVER_OMAP24XX_I2C
109 /* allow to overwrite serial and ethaddr */
110 #define CONFIG_ENV_OVERWRITE
111 #define CONFIG_CONS_INDEX 1
112 #define CONFIG_BAUDRATE 115200
113 #define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
115 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | CFG_CMD_I2C)
117 // I'd like to get to these. Snap kernel loads if we make MMC go //
118 // #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_NAND | CFG_CMD_JFFS2 | CFG_CMD_DHCP | CFG_CMD_MMC | CFG_CMD_FAT | CFG_CMD_I2C)
120 #define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
122 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
123 #include <cmd_confdefs.h>
125 #define CONFIG_BOOTDELAY 3
127 #ifdef NFS_BOOT_DEFAULTS
128 #define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=128.247.77.158:/home/a0384864/wtbu/rootfs ip=dhcp"
130 #define CONFIG_BOOTARGS "root=/dev/ram0 rw mem=32M console=ttyS0,115200n8 initrd=0x80600000,8M ramdisk_size=8192"
133 #define CONFIG_NETMASK 255.255.254.0
134 #define CONFIG_IPADDR 128.247.77.90
135 #define CONFIG_SERVERIP 128.247.77.158
136 #define CONFIG_BOOTFILE "uImage"
139 * Miscellaneous configurable options
142 #define V_PROMPT "OMAP2420 Aptix # "
144 #define V_PROMPT "OMAP242x H4 # "
147 #define CFG_LONGHELP /* undef to save memory */
148 #define CFG_PROMPT V_PROMPT
149 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
150 /* Print Buffer Size */
151 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
152 #define CFG_MAXARGS 16 /* max number of command args */
153 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
155 #define CFG_MEMTEST_START (OMAP2420_SDRC_CS0) /* memtest works on */
156 #define CFG_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M)
158 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
160 #define CFG_LOAD_ADDR (OMAP2420_SDRC_CS0) /* default load address */
162 /* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
163 * 32KHz clk, or from external sig. This rate is divided by a local divisor.
168 #define V_PVT 7 /* use with 12MHz/128 */
171 #define CFG_TIMERBASE OMAP2420_GPT2
172 #define CFG_PVT V_PVT /* 2^(pvt+1) */
173 #define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
175 /*-----------------------------------------------------------------------
178 * The stack sizes are set up in start.S using the settings below
180 #define CONFIG_STACKSIZE SZ_128K /* regular stack */
181 #ifdef CONFIG_USE_IRQ
182 #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
183 #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
186 /*-----------------------------------------------------------------------
187 * Physical Memory Map
189 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
190 #define PHYS_SDRAM_1 OMAP2420_SDRC_CS0
191 #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
192 #define PHYS_SDRAM_2 OMAP2420_SDRC_CS1
194 #define PHYS_FLASH_1 H4_CS0_BASE /* Flash Bank #1 */
195 #define PHYS_FLASH_SIZE_1 SZ_32M
196 #define PHYS_FLASH_2 (H4_CS0_BASE+SZ_32M) /* same cs, 2 chips in series */
197 #define PHYS_FLASH_SIZE_2 SZ_32M
198 #define CFG_FLASH_BASE PHYS_FLASH_1
200 /*-----------------------------------------------------------------------
201 * FLASH and environment organization
203 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
204 #define CFG_MAX_FLASH_SECT (259) /* max number of sectors on one chip */
206 #define CFG_ENV_ADDR (CFG_FLASH_BASE + SZ_128K)
207 #define CFG_ENV_IS_IN_FLASH 1
209 /* timeout values are in ticks */
210 #define CFG_FLASH_ERASE_TOUT (10*75*CFG_HZ) /* Timeout for Flash Erase */
211 #define CFG_FLASH_WRITE_TOUT (10*75*CFG_HZ) /* Timeout for Flash Write */
213 #endif /* __CONFIG_H */