1 /*
2  * (C) Copyright 2008
3  * Grazvydas Ignotas <notasas@gmail.com>
4  *
5  * Configuration settings for the OMAP3 Pandora.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #ifndef __CONFIG_H
24 #define __CONFIG_H
25 
26 /*
27  * High Level Configuration Options
28  */
29 #define CONFIG_ARMV7		1	/* This is an ARM V7 CPU core */
30 #define CONFIG_OMAP		1	/* in a TI OMAP core */
31 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
32 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
33 #define CONFIG_OMAP3_PANDORA	1	/* working with pandora */
34 
35 #define CONFIG_SDRC	/* The chip has SDRC controller */
36 
37 #include <asm/arch/cpu.h>	/* get chip and board defs */
38 #include <asm/arch/omap3.h>
39 
40 /*
41  * Display CPU and Board information
42  */
43 #define CONFIG_DISPLAY_CPUINFO		1
44 #define CONFIG_DISPLAY_BOARDINFO	1
45 
46 /* Clock Defines */
47 #define V_OSCK			26000000	/* Clock output from T2 */
48 #define V_SCLK			(V_OSCK >> 1)
49 
50 #undef CONFIG_USE_IRQ		/* no support for IRQs */
51 #define CONFIG_MISC_INIT_R
52 
53 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
54 #define CONFIG_SETUP_MEMORY_TAGS	1
55 #define CONFIG_INITRD_TAG		1
56 #define CONFIG_REVISION_TAG		1
57 
58 /*
59  * Size of malloc() pool
60  */
61 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
62 						/* Sector */
63 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
64 						/* initial data */
65 
66 /*
67  * Hardware drivers
68  */
69 
70 /*
71  * NS16550 Configuration
72  */
73 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
74 
75 #define CONFIG_SYS_NS16550
76 #define CONFIG_SYS_NS16550_SERIAL
77 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
78 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
79 
80 /*
81  * select serial console configuration
82  */
83 #define CONFIG_CONS_INDEX		3
84 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
85 #define CONFIG_SERIAL3			3
86 
87 /* allow to overwrite serial and ethaddr */
88 #define CONFIG_ENV_OVERWRITE
89 #define CONFIG_BAUDRATE			115200
90 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600, \
91 					115200}
92 #define CONFIG_MMC			1
93 #define CONFIG_OMAP3_MMC		1
94 #define CONFIG_DOS_PARTITION		1
95 
96 /* DDR - I use Micron DDR */
97 #define CONFIG_OMAP3_MICRON_DDR		1
98 
99 /* commands to include */
100 #include <config_cmd_default.h>
101 
102 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
103 #define CONFIG_CMD_FAT		/* FAT support			*/
104 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
105 
106 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
107 #define CONFIG_CMD_MMC		/* MMC support			*/
108 #define CONFIG_CMD_NAND		/* NAND support			*/
109 
110 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
111 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
112 #undef CONFIG_CMD_IMI		/* iminfo			*/
113 #undef CONFIG_CMD_IMLS		/* List all found images	*/
114 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
115 #undef CONFIG_CMD_NFS		/* NFS support			*/
116 
117 #define CONFIG_SYS_NO_FLASH
118 #define CONFIG_HARD_I2C			1
119 #define CONFIG_SYS_I2C_SPEED		100000
120 #define CONFIG_SYS_I2C_SLAVE		1
121 #define CONFIG_SYS_I2C_BUS		0
122 #define CONFIG_SYS_I2C_BUS_SELECT	1
123 #define CONFIG_DRIVER_OMAP34XX_I2C	1
124 
125 /*
126  * TWL4030
127  */
128 #define CONFIG_TWL4030_POWER		1
129 #define CONFIG_TWL4030_LED		1
130 
131 /*
132  * Board NAND Info.
133  */
134 #define CONFIG_NAND_OMAP_GPMC
135 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
136 							/* to access nand */
137 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
138 							/* to access nand */
139 							/* at CS0 */
140 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
141 
142 #define CONFIG_SYS_MAX_NAND_DEVICE	1	/* Max number of NAND */
143 						/* devices */
144 #define CONFIG_JFFS2_NAND
145 /* nand device jffs2 lives on */
146 #define CONFIG_JFFS2_DEV		"nand0"
147 /* start of jffs2 partition */
148 #define CONFIG_JFFS2_PART_OFFSET	0x680000
149 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
150 							/* partition */
151 
152 /* Environment information */
153 #define CONFIG_BOOTDELAY		1
154 
155 #define CONFIG_EXTRA_ENV_SETTINGS \
156 	"loadaddr=0x82000000\0" \
157 	"console=ttyS0,115200n8\0" \
158 	"videospec=omapfb:vram:2M,vram:4M\0" \
159 	"mmcargs=setenv bootargs console=${console} " \
160 		"video=${videospec} " \
161 		"root=/dev/mmcblk0p2 rw " \
162 		"rootfstype=ext3 rootwait\0" \
163 	"nandargs=setenv bootargs console=${console} " \
164 		"video=${videospec} " \
165 		"root=/dev/mtdblock4 rw " \
166 		"rootfstype=jffs2\0" \
167 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
168 	"bootscript=echo Running bootscript from mmc ...; " \
169 		"source ${loadaddr}\0" \
170 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
171 	"mmcboot=echo Booting from mmc ...; " \
172 		"run mmcargs; " \
173 		"bootm ${loadaddr}\0" \
174 	"nandboot=echo Booting from nand ...; " \
175 		"run nandargs; " \
176 		"nand read ${loadaddr} 280000 400000; " \
177 		"bootm ${loadaddr}\0" \
178 
179 #define CONFIG_BOOTCOMMAND \
180 	"if mmc init; then " \
181 		"if run loadbootscript; then " \
182 			"run bootscript; " \
183 		"else " \
184 			"if run loaduimage; then " \
185 				"run mmcboot; " \
186 			"else run nandboot; " \
187 			"fi; " \
188 		"fi; " \
189 	"else run nandboot; fi"
190 
191 #define CONFIG_AUTO_COMPLETE	1
192 /*
193  * Miscellaneous configurable options
194  */
195 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
196 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
197 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
198 #define CONFIG_SYS_PROMPT		"Pandora # "
199 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
200 /* Print Buffer Size */
201 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
202 					sizeof(CONFIG_SYS_PROMPT) + 16)
203 #define CONFIG_SYS_MAXARGS		16	/* max number of command */
204 						/* args */
205 /* Boot Argument Buffer Size */
206 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
207 /* memtest works on */
208 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
209 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
210 					0x01F00000) /* 31MB */
211 
212 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
213 								/* address */
214 
215 /*
216  * OMAP3 has 12 GP timers, they can be driven by the system clock
217  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
218  * This rate is divided by a local divisor.
219  */
220 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
221 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
222 #define CONFIG_SYS_HZ			1000
223 
224 /*-----------------------------------------------------------------------
225  * Stack sizes
226  *
227  * The stack sizes are set up in start.S using the settings below
228  */
229 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
230 #ifdef CONFIG_USE_IRQ
231 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
232 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
233 #endif
234 
235 /*-----------------------------------------------------------------------
236  * Physical Memory Map
237  */
238 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
239 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
240 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
241 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
242 
243 /* SDRAM Bank Allocation method */
244 #define SDRC_R_B_C		1
245 
246 /*-----------------------------------------------------------------------
247  * FLASH and environment organization
248  */
249 
250 /* **** PISMO SUPPORT *** */
251 
252 /* Configure the PISMO */
253 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
254 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
255 
256 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
257 						/* one chip */
258 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
259 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
260 
261 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
262 
263 /* Monitor at start of flash */
264 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
265 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
266 
267 #define CONFIG_ENV_IS_IN_NAND		1
268 #define ONENAND_ENV_OFFSET		0x240000 /* environment starts here */
269 #define SMNAND_ENV_OFFSET		0x240000 /* environment starts here */
270 
271 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
272 #define CONFIG_ENV_OFFSET		boot_flash_off
273 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
274 
275 /*-----------------------------------------------------------------------
276  * CFI FLASH driver setup
277  */
278 /* timeout values are in ticks */
279 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
280 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
281 
282 /* Flash banks JFFS2 should use */
283 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
284 					CONFIG_SYS_MAX_NAND_DEVICE)
285 #define CONFIG_SYS_JFFS2_MEM_NAND
286 /* use flash_info[2] */
287 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
288 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
289 
290 #ifndef __ASSEMBLY__
291 extern unsigned int boot_flash_base;
292 extern volatile unsigned int boot_flash_env_addr;
293 extern unsigned int boot_flash_off;
294 extern unsigned int boot_flash_sec;
295 extern unsigned int boot_flash_type;
296 #endif
297 
298 #endif				/* __CONFIG_H */
299