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 #include <asm/sizes.h>
26 
27 /*
28  * High Level Configuration Options
29  */
30 #define CONFIG_ARMCORTEXA8	1	/* This is an ARM V7 CPU core */
31 #define CONFIG_OMAP		1	/* in a TI OMAP core */
32 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
33 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
34 #define CONFIG_OMAP3_PANDORA	1	/* working with pandora */
35 
36 #include <asm/arch/cpu.h>	/* get chip and board defs */
37 #include <asm/arch/omap3.h>
38 
39 /*
40  * Display CPU and Board information
41  */
42 #define CONFIG_DISPLAY_CPUINFO		1
43 #define CONFIG_DISPLAY_BOARDINFO	1
44 
45 /* Clock Defines */
46 #define V_OSCK			26000000	/* Clock output from T2 */
47 #define V_SCLK			(V_OSCK >> 1)
48 
49 #undef CONFIG_USE_IRQ		/* no support for IRQs */
50 #define CONFIG_MISC_INIT_R
51 
52 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
53 #define CONFIG_SETUP_MEMORY_TAGS	1
54 #define CONFIG_INITRD_TAG		1
55 #define CONFIG_REVISION_TAG		1
56 
57 /*
58  * Size of malloc() pool
59  */
60 #define CONFIG_ENV_SIZE			SZ_128K	/* Total Size Environment */
61 						/* Sector */
62 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + SZ_128K)
63 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
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 /* commands to include */
97 #include <config_cmd_default.h>
98 
99 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
100 #define CONFIG_CMD_FAT		/* FAT support			*/
101 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
102 
103 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
104 #define CONFIG_CMD_MMC		/* MMC support			*/
105 #define CONFIG_CMD_NAND		/* NAND support			*/
106 
107 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
108 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
109 #undef CONFIG_CMD_IMI		/* iminfo			*/
110 #undef CONFIG_CMD_IMLS		/* List all found images	*/
111 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
112 #undef CONFIG_CMD_NFS		/* NFS support			*/
113 
114 #define CONFIG_SYS_NO_FLASH
115 #define CONFIG_SYS_I2C_SPEED		100000
116 #define CONFIG_SYS_I2C_SLAVE		1
117 #define CONFIG_SYS_I2C_BUS		0
118 #define CONFIG_SYS_I2C_BUS_SELECT	1
119 #define CONFIG_DRIVER_OMAP34XX_I2C	1
120 
121 /*
122  * TWL4030
123  */
124 #define CONFIG_TWL4030_POWER		1
125 #define CONFIG_TWL4030_LED		1
126 
127 /*
128  * Board NAND Info.
129  */
130 #define CONFIG_NAND_OMAP_GPMC
131 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
132 							/* to access nand */
133 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
134 							/* to access nand */
135 							/* at CS0 */
136 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
137 
138 #define CONFIG_SYS_MAX_NAND_DEVICE	1	/* Max number of NAND */
139 						/* devices */
140 
141 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
142 
143 #define CONFIG_JFFS2_NAND
144 /* nand device jffs2 lives on */
145 #define CONFIG_JFFS2_DEV		"nand0"
146 /* start of jffs2 partition */
147 #define CONFIG_JFFS2_PART_OFFSET	0x680000
148 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
149 							/* partition */
150 
151 /* Environment information */
152 #define CONFIG_BOOTDELAY		1
153 
154 #define CONFIG_EXTRA_ENV_SETTINGS \
155 	"loadaddr=0x82000000\0" \
156 	"console=ttyS0,115200n8\0" \
157 	"videospec=omapfb:vram:2M,vram:4M\0" \
158 	"mmcargs=setenv bootargs console=${console} " \
159 		"video=${videospec} " \
160 		"root=/dev/mmcblk0p2 rw " \
161 		"rootfstype=ext3 rootwait\0" \
162 	"nandargs=setenv bootargs console=${console} " \
163 		"video=${videospec} " \
164 		"root=/dev/mtdblock4 rw " \
165 		"rootfstype=jffs2\0" \
166 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
167 	"bootscript=echo Running bootscript from mmc ...; " \
168 		"source ${loadaddr}\0" \
169 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
170 	"mmcboot=echo Booting from mmc ...; " \
171 		"run mmcargs; " \
172 		"bootm ${loadaddr}\0" \
173 	"nandboot=echo Booting from nand ...; " \
174 		"run nandargs; " \
175 		"nand read ${loadaddr} 280000 400000; " \
176 		"bootm ${loadaddr}\0" \
177 
178 #define CONFIG_BOOTCOMMAND \
179 	"if mmc init; then " \
180 		"if run loadbootscript; then " \
181 			"run bootscript; " \
182 		"else " \
183 			"if run loaduimage; then " \
184 				"run mmcboot; " \
185 			"else run nandboot; " \
186 			"fi; " \
187 		"fi; " \
188 	"else run nandboot; fi"
189 
190 #define CONFIG_AUTO_COMPLETE	1
191 /*
192  * Miscellaneous configurable options
193  */
194 #define V_PROMPT		"Pandora # "
195 
196 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
197 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
198 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
199 #define CONFIG_SYS_PROMPT		V_PROMPT
200 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
201 /* Print Buffer Size */
202 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
203 					sizeof(CONFIG_SYS_PROMPT) + 16)
204 #define CONFIG_SYS_MAXARGS		16	/* max number of command */
205 						/* args */
206 /* Boot Argument Buffer Size */
207 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
208 /* memtest works on */
209 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
210 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
211 					0x01F00000) /* 31MB */
212 
213 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
214 								/* address */
215 
216 /*
217  * OMAP3 has 12 GP timers, they can be driven by the system clock
218  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
219  * This rate is divided by a local divisor.
220  */
221 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
222 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
223 #define CONFIG_SYS_HZ			1000
224 
225 /*-----------------------------------------------------------------------
226  * Stack sizes
227  *
228  * The stack sizes are set up in start.S using the settings below
229  */
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 */
234 #endif
235 
236 /*-----------------------------------------------------------------------
237  * Physical Memory Map
238  */
239 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
240 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
241 #define PHYS_SDRAM_1_SIZE	SZ_32M	/* at least 32 meg */
242 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
243 
244 /* SDRAM Bank Allocation method */
245 #define SDRC_R_B_C		1
246 
247 /*-----------------------------------------------------------------------
248  * FLASH and environment organization
249  */
250 
251 /* **** PISMO SUPPORT *** */
252 
253 /* Configure the PISMO */
254 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
255 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
256 
257 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
258 						/* one chip */
259 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
260 #define CONFIG_SYS_MONITOR_LEN		SZ_256K	/* Reserve 2 sectors */
261 
262 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
263 
264 /* Monitor at start of flash */
265 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
266 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
267 
268 #define CONFIG_ENV_IS_IN_NAND		1
269 #define ONENAND_ENV_OFFSET		0x240000 /* environment starts here */
270 #define SMNAND_ENV_OFFSET		0x240000 /* environment starts here */
271 
272 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
273 #define CONFIG_ENV_OFFSET		boot_flash_off
274 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
275 
276 /*-----------------------------------------------------------------------
277  * CFI FLASH driver setup
278  */
279 /* timeout values are in ticks */
280 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
281 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
282 
283 /* Flash banks JFFS2 should use */
284 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
285 					CONFIG_SYS_MAX_NAND_DEVICE)
286 #define CONFIG_SYS_JFFS2_MEM_NAND
287 /* use flash_info[2] */
288 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
289 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
290 
291 #ifndef __ASSEMBLY__
292 extern struct gpmc *gpmc_cfg;
293 extern unsigned int boot_flash_base;
294 extern volatile unsigned int boot_flash_env_addr;
295 extern unsigned int boot_flash_off;
296 extern unsigned int boot_flash_sec;
297 extern unsigned int boot_flash_type;
298 #endif
299 
300 #endif				/* __CONFIG_H */
301