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 /* Clock config to target*/
42 #define PRCM_CONFIG_II 1
43 /*#define PRCM_CONFIG_III 1 */
45 /* Memory configuration on board */
46 /*#define CONFIG_OPTIMIZE_DDR 1 */
48 #include <asm/arch/omap2420.h> /* get chip and board defs */
50 /* On H4, NOR and NAND flash are mutual exclusive.
51 Define this if you want to use NAND
53 /*#define CFG_NAND_BOOT */
56 #define V_SCLK 1500000
58 #define V_SCLK 12000000
61 /* input clock of PLL */
62 /* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */
63 #define CONFIG_SYS_CLK_FREQ V_SCLK
65 #undef CONFIG_USE_IRQ /* no support for IRQs */
66 #define CONFIG_MISC_INIT_R
68 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
69 #define CONFIG_SETUP_MEMORY_TAGS 1
70 #define CONFIG_INITRD_TAG 1
71 #define CONFIG_REVISION_TAG 1
74 * Size of malloc() pool
76 #define CFG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */
77 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + SZ_128K)
78 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
87 #define CONFIG_DRIVER_LAN91C96
88 #define CONFIG_LAN91C96_BASE (H4_CS1_BASE+0x300)
89 #define CONFIG_LAN91C96_EXT_PHY
92 * NS16550 Configuration
95 #define V_NS16550_CLK (6000000) /* 6MHz in current MaxSet */
97 #define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */
101 #define CFG_NS16550_SERIAL
102 #define CFG_NS16550_REG_SIZE (-4)
103 #define CFG_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */
104 #define CFG_NS16550_COM1 OMAP2420_UART1
107 * select serial console configuration
109 #define CONFIG_SERIAL1 1 /* UART1 on H4 */
114 #define CONFIG_HARD_I2C
115 #define CFG_I2C_SPEED 100000
116 #define CFG_I2C_SLAVE 1
117 #define CONFIG_DRIVER_OMAP24XX_I2C
119 /* allow to overwrite serial and ethaddr */
120 #define CONFIG_ENV_OVERWRITE
121 #define CONFIG_CONS_INDEX 1
122 #define CONFIG_BAUDRATE 115200
123 #define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
126 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | CFG_CMD_I2C | CFG_CMD_NAND | CFG_CMD_JFFS2)
128 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | CFG_CMD_I2C | CFG_CMD_JFFS2)
130 /* I'd like to get to these. Snap kernel loads if we make MMC go */
131 /* #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_NAND | CFG_CMD_JFFS2 | CFG_CMD_DHCP | CFG_CMD_MMC | CFG_CMD_FAT | CFG_CMD_I2C) */
133 #define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
135 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
136 #include <cmd_confdefs.h>
141 #define CFG_NAND_ADDR 0x04000000 /* physical address to access nand at CS0*/
143 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
144 #define SECTORSIZE 512
146 #define ADDR_COLUMN 1
148 #define ADDR_COLUMN_PAGE 3
150 #define NAND_ChipID_UNKNOWN 0x00
151 #define NAND_MAX_FLOORS 1
152 #define NAND_MAX_CHIPS 1
154 #define WRITE_NAND_COMMAND(d, adr) do {*(volatile u16 *)0x6800A07C = d;} while(0)
155 #define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u16 *)0x6800A080 = d;} while(0)
156 #define WRITE_NAND(d, adr) do {*(volatile u16 *)0x6800A084 = d;} while(0)
157 #define READ_NAND(adr) (*(volatile u16 *)0x6800A084)
158 #define NAND_WAIT_READY(nand) udelay(10)
163 #define NAND_WP_OFF() do {*(volatile u32 *)(0x6800A050) |= 0x00000010;} while(0)
164 #define NAND_WP_ON() do {*(volatile u32 *)(0x6800A050) &= ~0x00000010;} while(0)
167 #define NAND_CTL_CLRALE(nandptr)
168 #define NAND_CTL_SETALE(nandptr)
169 #define NAND_CTL_CLRCLE(nandptr)
170 #define NAND_CTL_SETCLE(nandptr)
171 #define NAND_DISABLE_CE(nand)
172 #define NAND_ENABLE_CE(nand)
175 #define CONFIG_BOOTDELAY 3
177 #ifdef NFS_BOOT_DEFAULTS
178 #define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=128.247.77.158:/home/a0384864/wtbu/rootfs ip=dhcp"
180 #define CONFIG_BOOTARGS "root=/dev/ram0 rw mem=32M console=ttyS0,115200n8 initrd=0x80600000,8M ramdisk_size=8192"
183 #define CONFIG_NETMASK 255.255.254.0
184 #define CONFIG_IPADDR 128.247.77.90
185 #define CONFIG_SERVERIP 128.247.77.158
186 #define CONFIG_BOOTFILE "uImage"
189 * Miscellaneous configurable options
192 #define V_PROMPT "OMAP2420 Aptix # "
194 #define V_PROMPT "OMAP242x H4 # "
197 #define CFG_LONGHELP /* undef to save memory */
198 #define CFG_PROMPT V_PROMPT
199 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
200 /* Print Buffer Size */
201 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
202 #define CFG_MAXARGS 16 /* max number of command args */
203 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
205 #define CFG_MEMTEST_START (OMAP2420_SDRC_CS0) /* memtest works on */
206 #define CFG_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M)
208 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
210 #define CFG_LOAD_ADDR (OMAP2420_SDRC_CS0) /* default load address */
212 /* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
213 * 32KHz clk, or from external sig. This rate is divided by a local divisor.
218 #define V_PVT 7 /* use with 12MHz/128 */
221 #define CFG_TIMERBASE OMAP2420_GPT2
222 #define CFG_PVT V_PVT /* 2^(pvt+1) */
223 #define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
225 /*-----------------------------------------------------------------------
228 * The stack sizes are set up in start.S using the settings below
230 #define CONFIG_STACKSIZE SZ_128K /* regular stack */
231 #ifdef CONFIG_USE_IRQ
232 #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
233 #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
236 /*-----------------------------------------------------------------------
237 * Physical Memory Map
239 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
240 #define PHYS_SDRAM_1 OMAP2420_SDRC_CS0
241 #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
242 #define PHYS_SDRAM_2 OMAP2420_SDRC_CS1
244 #define PHYS_FLASH_1 H4_CS0_BASE /* Flash Bank #1 */
245 #define PHYS_FLASH_SIZE_1 SZ_32M
246 #define PHYS_FLASH_2 (H4_CS0_BASE+SZ_32M) /* same cs, 2 chips in series */
247 #define PHYS_FLASH_SIZE_2 SZ_32M
248 #define CFG_FLASH_BASE PHYS_FLASH_1
250 /*-----------------------------------------------------------------------
251 * FLASH and environment organization
253 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
254 #define CFG_MAX_FLASH_SECT (259) /* max number of sectors on one chip */
257 #define CFG_ENV_IS_IN_NAND 1
258 #define CFG_ENV_OFFSET 0x80000 /* environment starts here */
260 #define CFG_ENV_ADDR (CFG_FLASH_BASE + SZ_128K)
261 #define CFG_ENV_IS_IN_FLASH 1
264 /* timeout values are in ticks */
265 #define CFG_FLASH_ERASE_TOUT (30*75*CFG_HZ) /* Timeout for Flash Erase */
266 #define CFG_FLASH_WRITE_TOUT (30*75*CFG_HZ) /* Timeout for Flash Write */
268 #define CFG_JFFS2_MEM_NAND
273 /* No command line, one static partition, whole device */
274 #undef CONFIG_JFFS2_CMDLINE
275 #define CONFIG_JFFS2_DEV "nor1"
276 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
277 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
279 /* mtdparts command line support */
280 /* Note: fake mtd_id used, no linux mtd map file */
282 #define CONFIG_JFFS2_CMDLINE
283 #define MTDIDS_DEFAULT "nor1=omap2420-1"
284 #define MTDPARTS_DEFAULT "mtdparts=omap2420-1:-(jffs2)"
287 #endif /* __CONFIG_H */