1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2016
4  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
5  *
6  * Based on:
7  * am335x_evm.h
8  *
9  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
10  */
11 
12 #ifndef __CONFIG_AM335X_SHC_H
13 #define __CONFIG_AM335X_SHC_H
14 
15 #include <configs/ti_am335x_common.h>
16 
17 /* settings we don;t want on this board */
18 
19 #ifndef CONFIG_SPL_BUILD
20 # define CONFIG_TIMESTAMP
21 #endif
22 
23 #define CONFIG_SYS_BOOTM_LEN		(16 << 20)
24 
25 /* Clock Defines */
26 #define V_OSCK				24000000  /* Clock output from T2 */
27 #define V_SCLK				(V_OSCK)
28 
29 #define CONFIG_HSMMC2_8BIT
30 
31 #ifndef CONFIG_SHC_ICT
32 /*
33  * In builds other than ICT, reset to retry after timeout
34  * Define a timeout after which a stopped bootloader continues autoboot
35  * (only works with CONFIG_RESET_TO_RETRY)
36  */
37 # define CONFIG_BOOT_RETRY_TIME 30
38 # define CONFIG_RESET_TO_RETRY
39 #endif
40 
41 #ifndef CONFIG_SPL_BUILD
42 #define CONFIG_EXTRA_ENV_SETTINGS \
43 	"loadaddr=0x80200000\0" \
44 	"kloadaddr=0x84000000\0" \
45 	"fdtaddr=0x85000000\0" \
46 	"fdt_high=0xffffffff\0" \
47 	"rdaddr=0x81000000\0" \
48 	"bootfile=uImage\0" \
49 	"fdtfile=am335x-shc.dtb\0" \
50 	"verify=no\0" \
51 	"serverip=10.55.152.184\0" \
52 	"rootpath=/srv/nfs/shc-rootfs\0" \
53 	"console=ttyO0,115200n8\0" \
54 	"optargs=quiet\0" \
55 	"mmcdev=1\0" \
56 	"harakiri=0\0" \
57 	"mmcpart=2\0" \
58 	"active_root=root1\0" \
59 	"inactive_root=root2\0" \
60 	"mmcrootfstype=ext4 rootwait\0" \
61 	"nfsopts=nolock\0" \
62 	"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
63 		"::off\0" \
64 	"ip_method=none\0" \
65 	"bootargs_defaults=setenv bootargs " \
66 		"console=${console} " \
67 		"${optargs}\0" \
68 	"mmcargs=run bootargs_defaults;" \
69 		"setenv bootargs ${bootargs} " \
70 		"root=${mmcroot} " \
71 		"rootfstype=${mmcrootfstype} ip=${ip_method}\0" \
72 	"netargs=setenv bootargs console=${console} " \
73 		"${optargs} " \
74 		"root=/dev/nfs " \
75 		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
76 		"ip=dhcp\0" \
77 	"bootenv=uEnv.txt\0" \
78 	"loadbootenv=if fatload mmc ${mmcdev} ${loadaddr} ${bootenv}; then " \
79 			"echo Loaded environment from ${bootenv}; " \
80 			"run importbootenv; " \
81 		"fi;\0" \
82 	"importbootenv=echo Importing environment variables from uEnv.txt ...; " \
83 		"env import -t $loadaddr $filesize\0" \
84 	"loaduimagefat=fatload mmc ${mmcdev} ${kloadaddr} ${bootfile}\0" \
85 	"loaduimage=ext2load mmc ${mmcdev}:${mmcpart} ${kloadaddr} /boot/${bootfile}\0" \
86 	"loadfdt=ext2load mmc ${mmcdev}:${mmcpart} ${fdtaddr} /boot/${fdtfile}\0" \
87 	"netloaduimage=tftp ${loadaddr} ${bootfile}\0" \
88 	"netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
89 	"mmcboot=echo Booting Linux from ${mmcdevice} ...; " \
90 		"run mmcargs; " \
91 		"if run loadfdt; then " \
92 			"echo device tree detected; " \
93 			"bootm ${kloadaddr} - ${fdtaddr}; " \
94 		"else " \
95 			"bootm ${kloadaddr}; " \
96 		"fi; \0" \
97 	"netboot=echo Booting from network ...; " \
98 		"setenv autoload no; " \
99 		"dhcp; " \
100 		"run netloaduimage; " \
101 		"run netargs; " \
102 		"echo NFS path: ${serverip}:${rootpath};" \
103 		"if run netloadfdt; then " \
104 			"echo device tree detected; " \
105 			"bootm ${loadaddr} - ${fdtaddr}; " \
106 		"else " \
107 			"bootm ${loadaddr}; " \
108 		"fi; \0" \
109 	"emmc_erase=if test ${harakiri} = 1 ; then echo erase emmc ...; setenv mmcdev 1; mmc erase 0 200; reset; fi; \0" \
110 	"mmcpart_gp=mmcpart gp 1 40; \0" \
111 	"mmcpart_enhance=mmcpart enhance 0 64; \0" \
112 	"mmcpart_rel_write=mmcpart rel_write 1f; \0" \
113 	"mmcpart_commit=mmcpart commit 1; \0" \
114 	"mmc_hw_part=run mmcpart_gp; run mmcpart_enhance; run mmcpart_rel_write; run mmcpart_commit; \0" \
115 	"led_success=gpio set 22; \0" \
116 	"fusecmd=mmc dev 1; if mmcpart iscommitted; then echo HW Partitioning already committed; mmcpart list; else run mmc_hw_part; fi; run led_success; \0" \
117 	"uenv_exec=if test -n $uenvcmd; then " \
118 			"echo Running uenvcmd ...; " \
119 			"run uenvcmd; " \
120 		"fi;\0" \
121 	"sd_setup=echo SD/MMC-Card detected on device 0; " \
122 		"setenv mmcdevice SD; " \
123 		"setenv mmcdev 0; " \
124 		"setenv mmcpart 2; " \
125 		"setenv mmcroot /dev/mmcblk${mmcdev}p${mmcpart};\0" \
126 	"emmc_setup=echo eMMC detected on device 1; " \
127 		"setenv mmcdevice eMMC; " \
128 		"setenv mmcdev 1; " \
129 		"run emmc_erase; " \
130 		"if test ${active_root} = root2; then " \
131 			"echo Active root is partition 6 (root2); " \
132 			"setenv mmcpart 6; " \
133 		"else " \
134 			"echo Active root is partition 5 (root1); " \
135 			"setenv mmcpart 5; " \
136 		"fi; " \
137 		"setenv mmcroot /dev/mmcblk${mmcdev}p${mmcpart};\0"
138 #endif /* #ifndef CONFIG_SPL_BUILD */
139 
140 #if defined CONFIG_SHC_NETBOOT
141 /* Network Boot */
142 # define CONFIG_BOOTCOMMAND \
143 	"run fusecmd; " \
144 	"if run netboot; then " \
145 		"echo Booting from network; " \
146 	"else " \
147 		"echo ERROR: Cannot boot from network!; " \
148 		"panic; " \
149 	"fi; "
150 
151 #elif defined CONFIG_SHC_SDBOOT /* !defined CONFIG_SHC_NETBOOT */
152 /* SD-Card Boot */
153 # define CONFIG_BOOTCOMMAND \
154 	"if mmc dev 0; mmc rescan; then " \
155 		"run sd_setup; " \
156 	"else " \
157 		"echo ERROR: SD/MMC-Card not detected!; " \
158 		"panic; " \
159 	"fi; " \
160 	"if run loaduimage; then " \
161 		"echo Bootable SD/MMC-Card inserted, booting from it!; " \
162 		"run mmcboot; " \
163 	"else " \
164 		"echo ERROR: Unable to load uImage from SD/MMC-Card!; " \
165 		"panic; " \
166 	"fi; "
167 
168 #elif defined CONFIG_SHC_ICT
169 /* ICT adapter boots only u-boot and does HW partitioning */
170 # define CONFIG_BOOTCOMMAND \
171 	"if mmc dev 0; mmc rescan; then " \
172 		"run sd_setup; " \
173 	"else " \
174 		"echo ERROR: SD/MMC-Card not detected!; " \
175 		"panic; " \
176 	"fi; " \
177 	"run fusecmd; "
178 
179 #else /* !defined CONFIG_SHC_NETBOOT, !defined CONFIG_SHC_SDBOOT */
180 /* Regular Boot from internal eMMC */
181 # define CONFIG_BOOTCOMMAND \
182 	"if mmc dev 1; mmc rescan; then " \
183 		"run emmc_setup; " \
184 	"else " \
185 		"echo ERROR: eMMC device not detected!; " \
186 		"panic; " \
187 	"fi; " \
188 	"if run loaduimage; then " \
189 		"run mmcboot; " \
190 	"else " \
191 		"echo ERROR Unable to load uImage from eMMC!; " \
192 		"echo Performing Rollback!; " \
193 		"setenv _active_ ${active_root}; " \
194 		"setenv _inactive_ ${inactive_root}; " \
195 		"setenv active_root ${_inactive_}; " \
196 		"setenv inactive_root ${_active_}; " \
197 		"saveenv; " \
198 		"reset; " \
199 	"fi; "
200 
201 #endif /* Regular Boot */
202 
203 /* NS16550 Configuration */
204 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
205 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
206 #define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
207 #define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
208 #define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
209 #define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
210 
211 /* PMIC support */
212 #define CONFIG_POWER_TPS65217
213 
214 /* SPL */
215 
216 /*
217  * Disable MMC DM for SPL build and can be re-enabled after adding
218  * DM support in SPL
219  */
220 #ifdef CONFIG_SPL_BUILD
221 #undef CONFIG_DM_MMC
222 #undef CONFIG_TIMER
223 #endif
224 
225 #define CONFIG_NET_RETRY_COUNT         10
226 
227 /* I2C configuration */
228 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
229 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
230 #define CONFIG_SYS_I2C_SPEED		400000
231 #define CONFIG_SYS_I2C_SLAVE		1
232 #endif	/* ! __CONFIG_AM335X_SHC_H */
233