1 /*
2  * (C) Copyright 2013
3  * Texas Instruments Incorporated.
4  * Sricharan R	  <r.sricharan@ti.com>
5  *
6  * Derived from OMAP4 done by:
7  *	Aneesh V <aneesh@ti.com>
8  *
9  * TI OMAP5 AND DRA7XX common configuration settings
10  *
11  * SPDX-License-Identifier:	GPL-2.0+
12  *
13  * For more details, please see the technical documents listed at
14  * http://www.ti.com/product/omap5432
15  */
16 
17 #ifndef __CONFIG_TI_OMAP5_COMMON_H
18 #define __CONFIG_TI_OMAP5_COMMON_H
19 
20 #define CONFIG_DISPLAY_CPUINFO
21 #define CONFIG_DISPLAY_BOARDINFO
22 #define CONFIG_ARCH_CPU_INIT
23 
24 /* Common ARM Erratas */
25 #define CONFIG_ARM_ERRATA_798870
26 
27 #define CONFIG_SYS_CACHELINE_SIZE	64
28 
29 /* Use General purpose timer 1 */
30 #define CONFIG_SYS_TIMERBASE		GPT2_BASE
31 
32 /*
33  * For the DDR timing information we can either dynamically determine
34  * the timings to use or use pre-determined timings (based on using the
35  * dynamic method.  Default to the static timing infomation.
36  */
37 #define CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
38 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
39 #define CONFIG_SYS_AUTOMATIC_SDRAM_DETECTION
40 #define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
41 #endif
42 
43 #define CONFIG_PALMAS_POWER
44 
45 #include <asm/arch/cpu.h>
46 #include <asm/arch/omap.h>
47 
48 #include <configs/ti_armv7_omap.h>
49 
50 /*
51  * Hardware drivers
52  */
53 #define CONFIG_SYS_NS16550_CLK		48000000
54 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_DM_SERIAL)
55 #define CONFIG_SYS_NS16550_SERIAL
56 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
57 #endif
58 
59 /*
60  * Environment setup
61  */
62 #ifndef PARTS_DEFAULT
63 #define PARTS_DEFAULT
64 #endif
65 
66 #ifndef DFUARGS
67 #define DFUARGS
68 #endif
69 
70 #ifndef CONFIG_SPL_BUILD
71 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
72 #define CONFIG_EXTRA_ENV_SETTINGS \
73 	DEFAULT_LINUX_BOOT_ENV \
74 	DEFAULT_MMC_TI_ARGS \
75 	"console=" CONSOLEDEV ",115200n8\0" \
76 	"fdtfile=undefined\0" \
77 	"bootpart=0:2\0" \
78 	"bootdir=/boot\0" \
79 	"bootfile=zImage\0" \
80 	"usbtty=cdc_acm\0" \
81 	"vram=16M\0" \
82 	"partitions=" PARTS_DEFAULT "\0" \
83 	"optargs=\0" \
84 	"dofastboot=0\0" \
85 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
86 	"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
87 		"source ${loadaddr}\0" \
88 	"bootenv=uEnv.txt\0" \
89 	"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
90 	"importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
91 		"env import -t ${loadaddr} ${filesize}\0" \
92 	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
93 	"mmcboot=mmc dev ${mmcdev}; " \
94 		"if mmc rescan; then " \
95 			"echo SD/MMC found on device ${mmcdev};" \
96 			"if run loadbootenv; then " \
97 				"echo Loaded environment from ${bootenv};" \
98 				"run importbootenv;" \
99 			"fi;" \
100 			"if test -n $uenvcmd; then " \
101 				"echo Running uenvcmd ...;" \
102 				"run uenvcmd;" \
103 			"fi;" \
104 			"if run loadimage; then " \
105 				"run loadfdt; " \
106 				"echo Booting from mmc${mmcdev} ...; " \
107 				"run args_mmc; " \
108 				"bootz ${loadaddr} - ${fdtaddr}; " \
109 			"fi;" \
110 		"fi;\0" \
111 	"findfdt="\
112 		"if test $board_name = omap5_uevm; then " \
113 			"setenv fdtfile omap5-uevm.dtb; fi; " \
114 		"if test $board_name = dra7xx; then " \
115 			"setenv fdtfile dra7-evm.dtb; fi;" \
116 		"if test $board_name = dra72x; then " \
117 			"setenv fdtfile dra72-evm.dtb; fi;" \
118 		"if test $board_name = beagle_x15; then " \
119 			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
120 		"if test $fdtfile = undefined; then " \
121 			"echo WARNING: Could not determine device tree to use; fi; \0" \
122 	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile};\0" \
123 	DFUARGS \
124 	NETARGS \
125 
126 
127 #define CONFIG_BOOTCOMMAND \
128 	"if test ${dofastboot} -eq 1; then " \
129 		"echo Boot fastboot requested, resetting dofastboot ...;" \
130 		"setenv dofastboot 0; saveenv;" \
131 		"echo Booting into fastboot ...; fastboot 0;" \
132 	"fi;" \
133 	"run findfdt; " \
134 	"run mmcboot;" \
135 	"setenv mmcdev 1; " \
136 	"setenv bootpart 1:2; " \
137 	"setenv mmcroot /dev/mmcblk0p2 rw; " \
138 	"run mmcboot;" \
139 	""
140 #endif
141 
142 
143 /*
144  * SPL related defines.  The Public RAM memory map the ROM defines the
145  * area between 0x40300000 and 0x4031E000 as a download area for OMAP5
146  * (dra7xx is larger, but we do not need to be larger at this time).  We
147  * set CONFIG_SPL_DISPLAY_PRINT to have omap_rev_string() called and
148  * print some information.
149  */
150 #define CONFIG_SPL_TEXT_BASE		0x40300000
151 #define CONFIG_SPL_MAX_SIZE		(0x4031E000 - CONFIG_SPL_TEXT_BASE)
152 #define CONFIG_SPL_DISPLAY_PRINT
153 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
154 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
155 					 (128 << 20))
156 
157 #ifdef CONFIG_NAND
158 #define CONFIG_SPL_NAND_AM33XX_BCH	/* ELM support */
159 #endif
160 
161 /*
162  * Disable MMC DM for SPL build and can be re-enabled after adding
163  * DM support in SPL
164  */
165 #ifdef CONFIG_SPL_BUILD
166 #undef CONFIG_DM_MMC
167 #endif
168 
169 #endif /* __CONFIG_TI_OMAP5_COMMON_H */
170