1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2006-2008
4  * Texas Instruments.
5  * Richard Woodruff <r-woodruff2@ti.com>
6  * Syed Mohammed Khasim <x0khasim@ti.com>
7  *
8  * (C) Copyright 2012
9  * Corscience GmbH & Co. KG
10  * Thomas Weber <weber@corscience.de>
11  *
12  * Configuration settings for the Tricorder board.
13  */
14 
15 #ifndef __CONFIG_H
16 #define __CONFIG_H
17 
18 #define CONFIG_MACH_TYPE		MACH_TYPE_TRICORDER
19 /*
20  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
21  * 64 bytes before this address should be set aside for u-boot.img's
22  * header. That is 0x800FFFC0--0x80100000 should not be used for any
23  * other needs.
24  */
25 
26 #include <asm/arch/cpu.h>		/* get chip and board defs */
27 #include <asm/arch/omap.h>
28 
29 /* Clock Defines */
30 #define V_OSCK				26000000 /* Clock output from T2 */
31 #define V_SCLK				(V_OSCK >> 1)
32 
33 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
34 #define CONFIG_SETUP_MEMORY_TAGS
35 #define CONFIG_INITRD_TAG
36 #define CONFIG_REVISION_TAG
37 
38 /* Size of malloc() pool */
39 #define CONFIG_SYS_MALLOC_LEN		(1024*1024)
40 
41 /* Hardware drivers */
42 
43 /* NS16550 Configuration */
44 #define CONFIG_SYS_NS16550_SERIAL
nsObjCExceptionLog(NSException * aException)45 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
46 #define CONFIG_SYS_NS16550_CLK		48000000 /* 48MHz (APLL96/2) */
47 
48 /* select serial console configuration */
49 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
50 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
51 					115200}
52 
53 /* I2C */
54 #define CONFIG_SYS_I2C
55 
56 
57 /* EEPROM */
58 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
59 #define CONFIG_SYS_EEPROM_BUS_NUM	1
60 
61 /* TWL4030 */
62 
63 /* Board NAND Info */
64 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
65 							/* to access nand at */
66 							/* CS0 */
67 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
68 							/* devices */
69 #define CONFIG_SYS_NAND_MAX_OOBFREE	2
70 #define CONFIG_SYS_NAND_MAX_ECCPOS	56
71 
72 /* needed for ubi */
73 
74 /* Environment information (this is the common part) */
75 
76 
77 /* hang() the board on panic() */
78 
79 /* environment placement (for NAND), is different for FLASHCARD but does not
80  * harm there */
81 #define CONFIG_ENV_OFFSET		0x120000    /* env start */
82 #define CONFIG_ENV_OFFSET_REDUND	0x2A0000    /* redundant env start */
83 #define CONFIG_ENV_SIZE			(16 << 10)  /* use 16KiB for env */
84 #define CONFIG_ENV_RANGE		(384 << 10) /* allow badblocks in env */
85 
86 /* the loadaddr is the same as CONFIG_SYS_LOAD_ADDR, unfortunately the defiend
87  * value can not be used here! */
88 #define CONFIG_LOADADDR		0x82000000
89 
90 #define CONFIG_COMMON_ENV_SETTINGS \
91 	"console=ttyO2,115200n8\0" \
92 	"mmcdev=0\0" \
93 	"vram=3M\0" \
94 	"defaultdisplay=lcd\0" \
95 	"kernelopts=mtdoops.mtddev=3\0" \
96 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
97 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
98 	"commonargs=" \
99 		"setenv bootargs console=${console} " \
100 		"${mtdparts} " \
101 		"${kernelopts} " \
102 		"vt.global_cursor_default=0 " \
103 		"vram=${vram} " \
104 		"omapdss.def_disp=${defaultdisplay}\0"
105 
106 #define CONFIG_BOOTCOMMAND "run autoboot"
107 
108 /* specific environment settings for different use cases
109  * FLASHCARD: used to run a rdimage from sdcard to program the device
110  * 'NORMAL': used to boot kernel from sdcard, nand, ...
111  *
112  * The main aim for the FLASHCARD skin is to have an embedded environment
113  * which will not be influenced by any data already on the device.
114  */
115 #ifdef CONFIG_FLASHCARD
116 /* the rdaddr is 16 MiB before the loadaddr */
117 #define CONFIG_ENV_RDADDR	"rdaddr=0x81000000\0"
118 
119 #define CONFIG_EXTRA_ENV_SETTINGS \
120 	CONFIG_COMMON_ENV_SETTINGS \
121 	CONFIG_ENV_RDADDR \
122 	"autoboot=" \
123 	"run commonargs; " \
124 	"setenv bootargs ${bootargs} " \
125 		"flashy_updateimg=/dev/mmcblk0p1:corscience_update.img " \
126 		"rdinit=/sbin/init; " \
127 	"mmc dev ${mmcdev}; mmc rescan; " \
128 	"fatload mmc ${mmcdev} ${loadaddr} uImage; " \
129 	"fatload mmc ${mmcdev} ${rdaddr} uRamdisk; " \
130 	"bootm ${loadaddr} ${rdaddr}\0"
131 
132 #else /* CONFIG_FLASHCARD */
133 
134 #define CONFIG_ENV_OVERWRITE /* allow to overwrite serial and ethaddr */
135 
nsObjCExceptionAbort()136 #define CONFIG_EXTRA_ENV_SETTINGS \
137 	CONFIG_COMMON_ENV_SETTINGS \
138 	"mmcargs=" \
139 		"run commonargs; " \
140 		"setenv bootargs ${bootargs} " \
141 		"root=/dev/mmcblk0p2 " \
142 		"rootwait " \
143 		"rw\0" \
144 	"nandargs=" \
145 		"run commonargs; " \
146 		"setenv bootargs ${bootargs} " \
147 		"root=ubi0:root " \
148 		"ubi.mtd=7 " \
149 		"rootfstype=ubifs " \
150 		"ro\0" \
151 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
152 	"bootscript=echo Running bootscript from mmc ...; " \
153 		"source ${loadaddr}\0" \
154 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
155 	"mmcboot=echo Booting from mmc ...; " \
156 		"run mmcargs; " \
157 		"bootm ${loadaddr}\0" \
158 	"loaduimage_ubi=ubi part ubi; " \
159 		"ubifsmount ubi:root; " \
160 		"ubifsload ${loadaddr} /boot/uImage\0" \
161 	"loaduimage_nand=nand read ${loadaddr} kernel 0x500000\0" \
162 	"nandboot=echo Booting from nand ...; " \
163 		"run nandargs; " \
164 		"run loaduimage_nand; " \
165 		"bootm ${loadaddr}\0" \
166 	"autoboot=mmc dev ${mmcdev}; if mmc rescan; then " \
167 			"if run loadbootscript; then " \
168 				"run bootscript; " \
169 			"else " \
170 				"if run loaduimage; then " \
171 					"run mmcboot; " \
172 				"else run nandboot; " \
173 				"fi; " \
174 			"fi; " \
175 		"else run nandboot; fi\0"
176 
177 #endif /* CONFIG_FLASHCARD */
178 
179 /* Miscellaneous configurable options */
180 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
181 
182 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0 + 0x00000000)
183 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + \
184 					0x07000000) /* 112 MB */
185 
186 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0 + 0x02000000)
187 
188 /*
189  * OMAP3 has 12 GP timers, they can be driven by the system clock
190  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
191  * This rate is divided by a local divisor.
192  */
193 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
194 #define CONFIG_SYS_PTV			2 /* Divisor: 2^(PTV+1) => 8 */
195 
196 /*  Physical Memory Map  */
197 #define PHYS_SDRAM_1			OMAP34XX_SDRC_CS0
198 #define PHYS_SDRAM_2			OMAP34XX_SDRC_CS1
199 
200 /* NAND and environment organization  */
201 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
202 
203 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
204 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
205 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
206 #define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_INIT_RAM_ADDR + \
207 						CONFIG_SYS_INIT_RAM_SIZE - \
208 						GENERATED_GBL_DATA_SIZE)
209 
210 /* SRAM config */
211 #define CONFIG_SYS_SRAM_START		0x40200000
212 #define CONFIG_SYS_SRAM_SIZE		0x10000
213 
214 /* Defines for SPL */
215 
216 #define CONFIG_SPL_NAND_BASE
217 #define CONFIG_SPL_NAND_DRIVERS
218 #define CONFIG_SPL_NAND_ECC
219 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME        "u-boot.img"
220 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION     1
221 
222 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
223 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
224 					 CONFIG_SPL_TEXT_BASE)
225 
226 #define CONFIG_SPL_BSS_START_ADDR	0x80000000 /*CONFIG_SYS_SDRAM_BASE*/
227 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
228 
229 /* NAND boot config */
230 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
231 #define CONFIG_SYS_NAND_PAGE_COUNT	64
232 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
233 #define CONFIG_SYS_NAND_OOBSIZE		64
234 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
235 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
236 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
237 					 13, 14, 16, 17, 18, 19, 20, 21, 22, \
238 					 23, 24, 25, 26, 27, 28, 30, 31, 32, \
239 					 33, 34, 35, 36, 37, 38, 39, 40, 41, \
240 					 42, 44, 45, 46, 47, 48, 49, 50, 51, \
241 					 52, 53, 54, 55, 56}
242 
243 #define CONFIG_SYS_NAND_ECCSIZE		512
244 #define CONFIG_SYS_NAND_ECCBYTES	13
245 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
246 
247 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
248 
249 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x20000
250 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x100000
251 
252 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
253 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000	/* 1 MB */
254 
255 #define CONFIG_SYS_MEMTEST_SCRATCH	0x81000000
256 #endif /* __CONFIG_H */
257