1 /*
2  * am335x_evm.h
3  *
4  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation version 2.
9  *
10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11  * kind, whether express or implied; without even the implied warranty
12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #ifndef __CONFIG_BALTOS_H
17 #define __CONFIG_BALTOS_H
18 
19 #include <linux/sizes.h>
20 #include <configs/ti_am335x_common.h>
21 
22 #define CONFIG_MACH_TYPE		MACH_TYPE_AM335XEVM
23 
24 /* Clock Defines */
25 #define V_OSCK				24000000  /* Clock output from T2 */
26 #define V_SCLK				(V_OSCK)
27 
28 /* FIT support */
29 #define CONFIG_SYS_BOOTM_LEN         SZ_64M
30 
31 #ifdef CONFIG_MTD_RAW_NAND
32 
33 #define NANDARGS \
34 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
35 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
36 	"nandargs=setenv bootargs console=${console} " \
37 		"${optargs} " \
38 		"${mtdparts} " \
39 		"root=${nandroot} " \
40 		"rootfstype=${nandrootfstype}\0" \
41 	"nandroot=ubi0:rootfs rw ubi.mtd=5\0" \
42 	"nandrootfstype=ubifs rootwait=1\0" \
43 	"nandboot=echo Booting from nand ...; " \
44 		"run nandargs; " \
45 		"setenv loadaddr 0x84000000; " \
46 		"ubi part UBI; " \
47 		"ubifsmount ubi0:kernel; " \
48 		"ubifsload $loadaddr kernel-fit.itb;" \
49 		"ubifsumount; " \
50 		"bootm ${loadaddr}#conf${board_name}; " \
51 		"if test $? -ne 0; then echo Using default FIT config; " \
52 		"bootm ${loadaddr}; fi;\0"
53 #else
54 #define NANDARGS ""
55 #endif
56 
57 #ifndef CONFIG_SPL_BUILD
58 #define CONFIG_EXTRA_ENV_SETTINGS \
59 	DEFAULT_LINUX_BOOT_ENV \
60 	"boot_fdt=try\0" \
61 	"bootpart=0:2\0" \
62 	"bootdir=/boot\0" \
63 	"bootfile=zImage\0" \
64 	"fdtfile=undefined\0" \
65 	"console=ttyO0,115200n8\0" \
66 	"partitions=" \
67 		"uuid_disk=${uuid_gpt_disk};" \
68 		"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
69 	"optargs=\0" \
70 	"mmcdev=0\0" \
71 	"mmcroot=/dev/mmcblk0p2 ro\0" \
72 	"usbroot=/dev/sda2 ro\0" \
73 	"mmcrootfstype=ext4 rootwait\0" \
74 	"usbrootfstype=ext4 rootwait\0" \
75 	"rootpath=/export/rootfs\0" \
76 	"nfsopts=nolock\0" \
77 	"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
78 		"::off\0" \
79 	"ramroot=/dev/ram0 rw\0" \
80 	"ramrootfstype=ext2\0" \
81 	"mmcargs=setenv bootargs console=${console} " \
82 		"${optargs} " \
83 		"${mtdparts} " \
84 		"root=${mmcroot} " \
85 		"rootfstype=${mmcrootfstype}\0" \
86 	"usbargs=setenv bootargs console=${console} " \
87 		"${optargs} " \
88 		"${mtdparts} " \
89 		"root=${usbroot} " \
90 		"rootfstype=${usbrootfstype}\0" \
91 	"spiroot=/dev/mtdblock4 rw\0" \
92 	"spirootfstype=jffs2\0" \
93 	"spisrcaddr=0xe0000\0" \
94 	"spiimgsize=0x362000\0" \
95 	"spibusno=0\0" \
96 	"spiargs=setenv bootargs console=${console} " \
97 		"${optargs} " \
98 		"root=${spiroot} " \
99 		"rootfstype=${spirootfstype}\0" \
100 	"netargs=setenv bootargs console=${console} " \
101 		"${optargs} " \
102 		"root=/dev/nfs " \
103 		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
104 		"ip=dhcp\0" \
105 	"bootenv=uEnv.txt\0" \
106 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
107 	"usbloadbootenv=load usb 0:1 ${loadaddr} ${bootenv}\0" \
108 	"importbootenv=echo Importing environment from mmc ...; " \
109 		"env import -t $loadaddr $filesize\0" \
110 	"usbimportbootenv=echo Importing environment from USB ...; " \
111 		"env import -t $loadaddr $filesize\0" \
112 	"ramargs=setenv bootargs console=${console} " \
113 		"${optargs} " \
114 		"root=${ramroot} " \
115 		"rootfstype=${ramrootfstype}\0" \
116 	"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
117 	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
118 	"usbloadimage=load usb 0:1 ${loadaddr} kernel-fit.itb\0" \
119 	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
120 	"usbloados=run usbargs; " \
121 		"bootm ${loadaddr}#conf${board_name}; " \
122 		"if test $? -ne 0; then " \
123 			"echo Using default FIT configuration; " \
124 			"bootm ${loadaddr}; " \
125 		"fi;\0" \
126 	"mmcloados=run mmcargs; " \
127 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
128 			"if run loadfdt; then " \
129 				"bootz ${loadaddr} - ${fdtaddr}; " \
130 			"else " \
131 				"if test ${boot_fdt} = try; then " \
132 					"bootz; " \
133 				"else " \
134 					"echo WARN: Cannot load the DT; " \
135 				"fi; " \
136 			"fi; " \
137 		"else " \
138 			"bootz; " \
139 		"fi;\0" \
140 	"usbboot=usb reset; " \
141 		"if usb storage; then " \
142 			"echo USB drive found;" \
143 			"if run usbloadbootenv; then " \
144 				"echo Loaded environment from ${bootenv};" \
145 				"run usbimportbootenv;" \
146 			"fi;" \
147 			"if test -n $uenvcmd; then " \
148 				"echo Running uenvcmd ...;" \
149 				"run uenvcmd;" \
150 			"fi;" \
151 			"if run usbloadimage; then " \
152 				"run usbloados;" \
153 			"fi;" \
154 		"fi;\0" \
155 	"mmcboot=mmc dev ${mmcdev}; " \
156 		"if mmc rescan; then " \
157 			"echo SD/MMC found on device ${mmcdev};" \
158 			"if run loadbootenv; then " \
159 				"echo Loaded environment from ${bootenv};" \
160 				"run importbootenv;" \
161 			"fi;" \
162 			"if test -n $uenvcmd; then " \
163 				"echo Running uenvcmd ...;" \
164 				"run uenvcmd;" \
165 			"fi;" \
166 			"if run loadimage; then " \
167 				"run mmcloados;" \
168 			"fi;" \
169 		"fi;\0" \
170 	"spiboot=echo Booting from spi ...; " \
171 		"run spiargs; " \
172 		"sf probe ${spibusno}:0; " \
173 		"sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
174 		"bootz ${loadaddr}\0" \
175 	"netboot=echo Booting from network ...; " \
176 		"setenv autoload no; " \
177 		"dhcp; " \
178 		"tftp ${loadaddr} ${bootfile}; " \
179 		"tftp ${fdtaddr} ${fdtfile}; " \
180 		"run netargs; " \
181 		"bootz ${loadaddr} - ${fdtaddr}\0" \
182 	"ramboot=echo Booting from ramdisk ...; " \
183 		"run ramargs; " \
184 		"bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
185 	"findfdt=setenv fdtfile am335x-baltos.dtb\0" \
186 	NANDARGS
187 	/*DFUARGS*/
188 #endif
189 
190 #define CONFIG_BOOTCOMMAND \
191 	"run findfdt; " \
192 	"run usbboot;" \
193 	"run mmcboot;" \
194 	"setenv mmcdev 1; " \
195 	"setenv bootpart 1:2; " \
196 	"run mmcboot;" \
197 	"run nandboot;"
198 
199 /* NS16550 Configuration */
200 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* Base EVM has UART0 */
201 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
202 #define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
203 #define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
204 #define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
205 #define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
206 
207 #define CONFIG_ENV_EEPROM_IS_ON_I2C
208 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
209 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
210 
211 /* PMIC support */
212 #define CONFIG_POWER_TPS65910
213 
214 /* SPL */
215 #ifndef CONFIG_NOR_BOOT
216 
217 #ifdef CONFIG_MTD_RAW_NAND
218 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
219 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
220 					 CONFIG_SYS_NAND_PAGE_SIZE)
221 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
222 #define CONFIG_SYS_NAND_OOBSIZE		64
223 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
224 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
225 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
226 					 10, 11, 12, 13, 14, 15, 16, 17, \
227 					 18, 19, 20, 21, 22, 23, 24, 25, \
228 					 26, 27, 28, 29, 30, 31, 32, 33, \
229 					 34, 35, 36, 37, 38, 39, 40, 41, \
230 					 42, 43, 44, 45, 46, 47, 48, 49, \
231 					 50, 51, 52, 53, 54, 55, 56, 57, }
232 
233 #define CONFIG_SYS_NAND_ECCSIZE		512
234 #define CONFIG_SYS_NAND_ECCBYTES	14
235 #define CONFIG_SYS_NAND_ONFI_DETECTION
236 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
237 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
238 #endif
239 #endif
240 
241 /*
242  * USB configuration.  We enable MUSB support, both for host and for
243  * gadget.  We set USB0 as peripheral and USB1 as host, based on the
244  * board schematic and physical port wired to each.  Then for host we
245  * add mass storage support and for gadget we add both RNDIS ethernet
246  * and DFU.
247  */
248 #define CONFIG_AM335X_USB0
249 #define CONFIG_AM335X_USB0_MODE	MUSB_HOST
250 #define CONFIG_AM335X_USB1
251 #define CONFIG_AM335X_USB1_MODE MUSB_OTG
252 
253 /* NAND support */
254 #ifdef CONFIG_MTD_RAW_NAND
255 #define GPMC_NAND_ECC_LP_x8_LAYOUT	1
256 #endif
257 
258 #endif	/* ! __CONFIG_BALTOS_H */
259