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 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
65 						/* initial data */
66 
67 /*
68  * Hardware drivers
69  */
70 
71 /*
72  * NS16550 Configuration
73  */
74 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
75 
76 #define CONFIG_SYS_NS16550
77 #define CONFIG_SYS_NS16550_SERIAL
78 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
79 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
80 
81 /*
82  * select serial console configuration
83  */
84 #define CONFIG_CONS_INDEX		3
85 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
86 #define CONFIG_SERIAL3			3
87 
88 /* allow to overwrite serial and ethaddr */
89 #define CONFIG_ENV_OVERWRITE
90 #define CONFIG_BAUDRATE			115200
91 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600, \
92 					115200}
93 #define CONFIG_MMC			1
94 #define CONFIG_OMAP3_MMC		1
95 #define CONFIG_DOS_PARTITION		1
96 
97 /* DDR - I use Micron DDR */
98 #define CONFIG_OMAP3_MICRON_DDR		1
99 
100 /* commands to include */
101 #include <config_cmd_default.h>
102 
103 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
104 #define CONFIG_CMD_FAT		/* FAT support			*/
105 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
106 
107 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
108 #define CONFIG_CMD_MMC		/* MMC support			*/
109 #define CONFIG_CMD_NAND		/* NAND support			*/
110 
111 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
112 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
113 #undef CONFIG_CMD_IMI		/* iminfo			*/
114 #undef CONFIG_CMD_IMLS		/* List all found images	*/
115 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
116 #undef CONFIG_CMD_NFS		/* NFS support			*/
117 
118 #define CONFIG_SYS_NO_FLASH
119 #define CONFIG_HARD_I2C			1
120 #define CONFIG_SYS_I2C_SPEED		100000
121 #define CONFIG_SYS_I2C_SLAVE		1
122 #define CONFIG_SYS_I2C_BUS		0
123 #define CONFIG_SYS_I2C_BUS_SELECT	1
124 #define CONFIG_DRIVER_OMAP34XX_I2C	1
125 
126 /*
127  * TWL4030
128  */
129 #define CONFIG_TWL4030_POWER		1
130 #define CONFIG_TWL4030_LED		1
131 
132 /*
133  * Board NAND Info.
134  */
135 #define CONFIG_NAND_OMAP_GPMC
136 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
137 							/* to access nand */
138 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
139 							/* to access nand */
140 							/* at CS0 */
141 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
142 
143 #define CONFIG_SYS_MAX_NAND_DEVICE	1	/* Max number of NAND */
144 						/* devices */
145 #define CONFIG_JFFS2_NAND
146 /* nand device jffs2 lives on */
147 #define CONFIG_JFFS2_DEV		"nand0"
148 /* start of jffs2 partition */
149 #define CONFIG_JFFS2_PART_OFFSET	0x680000
150 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
151 							/* partition */
152 
153 /* Environment information */
154 #define CONFIG_BOOTDELAY		1
155 
156 #define CONFIG_EXTRA_ENV_SETTINGS \
157 	"loadaddr=0x82000000\0" \
158 	"console=ttyS0,115200n8\0" \
159 	"videospec=omapfb:vram:2M,vram:4M\0" \
160 	"mmcargs=setenv bootargs console=${console} " \
161 		"video=${videospec} " \
162 		"root=/dev/mmcblk0p2 rw " \
163 		"rootfstype=ext3 rootwait\0" \
164 	"nandargs=setenv bootargs console=${console} " \
165 		"video=${videospec} " \
166 		"root=/dev/mtdblock4 rw " \
167 		"rootfstype=jffs2\0" \
168 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
169 	"bootscript=echo Running bootscript from mmc ...; " \
170 		"source ${loadaddr}\0" \
171 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
172 	"mmcboot=echo Booting from mmc ...; " \
173 		"run mmcargs; " \
174 		"bootm ${loadaddr}\0" \
175 	"nandboot=echo Booting from nand ...; " \
176 		"run nandargs; " \
177 		"nand read ${loadaddr} 280000 400000; " \
178 		"bootm ${loadaddr}\0" \
179 
180 #define CONFIG_BOOTCOMMAND \
181 	"if mmc init; then " \
182 		"if run loadbootscript; then " \
183 			"run bootscript; " \
184 		"else " \
185 			"if run loaduimage; then " \
186 				"run mmcboot; " \
187 			"else run nandboot; " \
188 			"fi; " \
189 		"fi; " \
190 	"else run nandboot; fi"
191 
192 #define CONFIG_AUTO_COMPLETE	1
193 /*
194  * Miscellaneous configurable options
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		"Pandora # "
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	(128 << 10)	/* regular stack 128 KiB */
231 #ifdef CONFIG_USE_IRQ
232 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
233 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
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	(32 << 20)	/* at least 32 MiB */
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		(256 << 10)	/* 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 unsigned int boot_flash_base;
293 extern volatile unsigned int boot_flash_env_addr;
294 extern unsigned int boot_flash_off;
295 extern unsigned int boot_flash_sec;
296 extern unsigned int boot_flash_type;
297 #endif
298 
299 #endif				/* __CONFIG_H */
300