1 /*
2  * (C) Copyright 2006-2008
3  * Texas Instruments.
4  * Richard Woodruff <r-woodruff2@ti.com>
5  * Syed Mohammed Khasim <x0khasim@ti.com>
6  *
7  * Configuration settings for the TI OMAP3530 Beagle board.
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
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.
16  *
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.
21  *
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,
25  * MA 02111-1307 USA
26  */
27 
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30 #include <asm/sizes.h>
31 
32 /*
33  * High Level Configuration Options
34  */
35 #define CONFIG_ARMCORTEXA8	1	/* This is an ARM V7 CPU core */
36 #define CONFIG_OMAP		1	/* in a TI OMAP core */
37 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
38 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
39 #define CONFIG_OMAP3_BEAGLE	1	/* working with BEAGLE */
40 
41 #include <asm/arch/cpu.h>		/* get chip and board defs */
42 #include <asm/arch/omap3.h>
43 
44 /* Clock Defines */
45 #define V_OSCK			26000000	/* Clock output from T2 */
46 #define V_SCLK			(V_OSCK >> 1)
47 
48 #undef CONFIG_USE_IRQ				/* no support for IRQs */
49 #define CONFIG_MISC_INIT_R
50 
51 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
52 #define CONFIG_SETUP_MEMORY_TAGS	1
53 #define CONFIG_INITRD_TAG		1
54 #define CONFIG_REVISION_TAG		1
55 
56 /*
57  * Size of malloc() pool
58  */
59 #define CONFIG_ENV_SIZE			SZ_128K	/* Total Size Environment */
60 						/* Sector */
61 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + SZ_128K)
62 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
63 						/* initial data */
64 
65 /*
66  * Hardware drivers
67  */
68 
69 /*
70  * NS16550 Configuration
71  */
72 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
73 
74 #define CONFIG_SYS_NS16550
75 #define CONFIG_SYS_NS16550_SERIAL
76 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
77 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
78 
79 /*
80  * select serial console configuration
81  */
82 #define CONFIG_CONS_INDEX		3
83 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
84 #define CONFIG_SERIAL3			3	/* UART3 on Beagle Rev 2 */
85 
86 /* allow to overwrite serial and ethaddr */
87 #define CONFIG_ENV_OVERWRITE
88 #define CONFIG_BAUDRATE			115200
89 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
90 					115200}
91 #define CONFIG_MMC			1
92 #define CONFIG_OMAP3_MMC		1
93 #define CONFIG_DOS_PARTITION		1
94 
95 /* commands to include */
96 #include <config_cmd_default.h>
97 
98 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
99 #define CONFIG_CMD_FAT		/* FAT support			*/
100 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
101 
102 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
103 #define CONFIG_CMD_MMC		/* MMC support			*/
104 #define CONFIG_CMD_NAND		/* NAND support			*/
105 
106 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
107 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
108 #undef CONFIG_CMD_IMI		/* iminfo			*/
109 #undef CONFIG_CMD_IMLS		/* List all found images	*/
110 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
111 #undef CONFIG_CMD_NFS		/* NFS support			*/
112 
113 #define CONFIG_SYS_NO_FLASH
114 #define CONFIG_SYS_I2C_SPEED		100000
115 #define CONFIG_SYS_I2C_SLAVE		1
116 #define CONFIG_SYS_I2C_BUS		0
117 #define CONFIG_SYS_I2C_BUS_SELECT	1
118 #define CONFIG_DRIVER_OMAP34XX_I2C	1
119 
120 /*
121  * Board NAND Info.
122  */
123 #define CONFIG_NAND_OMAP_GPMC
124 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
125 							/* to access nand */
126 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
127 							/* to access nand at */
128 							/* CS0 */
129 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
130 
131 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
132 							/* devices */
133 #define SECTORSIZE			512
134 
135 #define NAND_ALLOW_ERASE_ALL
136 #define ADDR_COLUMN			1
137 #define ADDR_PAGE			2
138 #define ADDR_COLUMN_PAGE		3
139 
140 #define NAND_ChipID_UNKNOWN		0x00
141 #define NAND_MAX_FLOORS			1
142 #define NAND_MAX_CHIPS			1
143 #define NAND_NO_RB			1
144 #define CONFIG_SYS_NAND_WP
145 
146 #define CONFIG_JFFS2_NAND
147 /* nand device jffs2 lives on */
148 #define CONFIG_JFFS2_DEV		"nand0"
149 /* start of jffs2 partition */
150 #define CONFIG_JFFS2_PART_OFFSET	0x680000
151 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
152 							/* partition */
153 
154 /* Environment information */
155 #define CONFIG_BOOTDELAY		10
156 
157 #define CONFIG_EXTRA_ENV_SETTINGS \
158 	"loadaddr=0x82000000\0" \
159 	"console=ttyS2,115200n8\0" \
160 	"videomode=1024x768@60,vxres=1024,vyres=768\0" \
161 	"videospec=omapfb:vram:2M,vram:4M\0" \
162 	"mmcargs=setenv bootargs console=${console} " \
163 		"video=${videospec},mode:${videomode} " \
164 		"root=/dev/mmcblk0p2 rw " \
165 		"rootfstype=ext3 rootwait\0" \
166 	"nandargs=setenv bootargs console=${console} " \
167 		"video=${videospec},mode:${videomode} " \
168 		"root=/dev/mtdblock4 rw " \
169 		"rootfstype=jffs2\0" \
170 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
171 	"bootscript=echo Running bootscript from mmc ...; " \
172 		"autoscr ${loadaddr}\0" \
173 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
174 	"mmcboot=echo Booting from mmc ...; " \
175 		"run mmcargs; " \
176 		"bootm ${loadaddr}\0" \
177 	"nandboot=echo Booting from nand ...; " \
178 		"run nandargs; " \
179 		"nand read ${loadaddr} 280000 400000; " \
180 		"bootm ${loadaddr}\0" \
181 
182 #define CONFIG_BOOTCOMMAND \
183 	"if mmcinit; then " \
184 		"if run loadbootscript; then " \
185 			"run bootscript; " \
186 		"else " \
187 			"if run loaduimage; then " \
188 				"run mmcboot; " \
189 			"else run nandboot; " \
190 			"fi; " \
191 		"fi; " \
192 	"else run nandboot; fi"
193 
194 #define CONFIG_AUTO_COMPLETE		1
195 /*
196  * Miscellaneous configurable options
197  */
198 #define V_PROMPT			"OMAP3 beagleboard.org # "
199 
200 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
201 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
202 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
203 #define CONFIG_SYS_PROMPT		V_PROMPT
204 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
205 /* Print Buffer Size */
206 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
207 					sizeof(CONFIG_SYS_PROMPT) + 16)
208 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
209 /* Boot Argument Buffer Size */
210 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
211 
212 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
213 								/* works on */
214 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
215 					0x01F00000) /* 31MB */
216 
217 #undef	CONFIG_SYS_CLKS_IN_HZ		/* everything, incl board info, in Hz */
218 
219 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
220 							/* load address */
221 
222 /*
223  * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
224  * 32KHz clk, or from external sig. This rate is divided by a local divisor.
225  */
226 #define V_PVT				7
227 
228 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
229 #define CONFIG_SYS_PVT			V_PVT	/* 2^(pvt+1) */
230 #define CONFIG_SYS_HZ			((V_SCLK) / (2 << CONFIG_SYS_PVT))
231 
232 /*-----------------------------------------------------------------------
233  * Stack sizes
234  *
235  * The stack sizes are set up in start.S using the settings below
236  */
237 #define CONFIG_STACKSIZE	SZ_128K	/* regular stack */
238 #ifdef CONFIG_USE_IRQ
239 #define CONFIG_STACKSIZE_IRQ	SZ_4K	/* IRQ stack */
240 #define CONFIG_STACKSIZE_FIQ	SZ_4K	/* FIQ stack */
241 #endif
242 
243 /*-----------------------------------------------------------------------
244  * Physical Memory Map
245  */
246 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
247 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
248 #define PHYS_SDRAM_1_SIZE	SZ_32M	/* at least 32 meg */
249 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
250 
251 /* SDRAM Bank Allocation method */
252 #define SDRC_R_B_C		1
253 
254 /*-----------------------------------------------------------------------
255  * FLASH and environment organization
256  */
257 
258 /* **** PISMO SUPPORT *** */
259 
260 /* Configure the PISMO */
261 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
262 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
263 
264 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
265 						/* one chip */
266 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
267 #define CONFIG_SYS_MONITOR_LEN		SZ_256K	/* Reserve 2 sectors */
268 
269 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
270 
271 /* Monitor at start of flash */
272 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
273 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
274 
275 #define CONFIG_ENV_IS_IN_NAND		1
276 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
277 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
278 
279 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
280 #define CONFIG_ENV_OFFSET		boot_flash_off
281 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
282 
283 /*-----------------------------------------------------------------------
284  * CFI FLASH driver setup
285  */
286 /* timeout values are in ticks */
287 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
288 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
289 
290 /* Flash banks JFFS2 should use */
291 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
292 					CONFIG_SYS_MAX_NAND_DEVICE)
293 #define CONFIG_SYS_JFFS2_MEM_NAND
294 /* use flash_info[2] */
295 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
296 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
297 
298 #ifndef __ASSEMBLY__
299 extern gpmc_csx_t *nand_cs_base;
300 extern gpmc_t *gpmc_cfg_base;
301 extern unsigned int boot_flash_base;
302 extern volatile unsigned int boot_flash_env_addr;
303 extern unsigned int boot_flash_off;
304 extern unsigned int boot_flash_sec;
305 extern unsigned int boot_flash_type;
306 #endif
307 
308 
309 #define WRITE_NAND_COMMAND(d, adr)\
310 			writel(d, &nand_cs_base->nand_cmd)
311 #define WRITE_NAND_ADDRESS(d, adr)\
312 			writel(d, &nand_cs_base->nand_adr)
313 #define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat)
314 #define READ_NAND(adr) readl(&nand_cs_base->nand_dat)
315 
316 /* Other NAND Access APIs */
317 #define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \
318 			while (0)
319 #define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \
320 			while (0)
321 #define NAND_DISABLE_CE(nand)
322 #define NAND_ENABLE_CE(nand)
323 #define NAND_WAIT_READY(nand)	udelay(10)
324 
325 #endif /* __CONFIG_H */
326