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 /* Use General purpose timer 1 */
21 #define CONFIG_SYS_TIMERBASE		GPT2_BASE
22 
23 /*
24  * For the DDR timing information we can either dynamically determine
25  * the timings to use or use pre-determined timings (based on using the
26  * dynamic method.  Default to the static timing infomation.
27  */
28 #define CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
29 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
30 #define CONFIG_SYS_AUTOMATIC_SDRAM_DETECTION
31 #define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
32 #endif
33 
34 #define CONFIG_PALMAS_POWER
35 
36 #include <asm/arch/cpu.h>
37 #include <asm/arch/omap.h>
38 
39 #include <configs/ti_armv7_omap.h>
40 
41 /*
42  * Hardware drivers
43  */
44 #define CONFIG_SYS_NS16550_CLK		48000000
45 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_DM_SERIAL)
46 #define CONFIG_SYS_NS16550_SERIAL
47 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
48 #endif
49 
50 /*
51  * Environment setup
52  */
53 #ifndef PARTS_DEFAULT
54 #define PARTS_DEFAULT
55 #endif
56 
57 #ifndef DFUARGS
58 #define DFUARGS
59 #endif
60 
61 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
62 #define CONFIG_EXTRA_ENV_SETTINGS \
63 	DEFAULT_LINUX_BOOT_ENV \
64 	DEFAULT_MMC_TI_ARGS \
65 	DEFAULT_FIT_TI_ARGS \
66 	"console=" CONSOLEDEV ",115200n8\0" \
67 	"fdtfile=undefined\0" \
68 	"bootpart=0:2\0" \
69 	"bootdir=/boot\0" \
70 	"bootfile=zImage\0" \
71 	"usbtty=cdc_acm\0" \
72 	"vram=16M\0" \
73 	"partitions=" PARTS_DEFAULT "\0" \
74 	"optargs=\0" \
75 	"dofastboot=0\0" \
76 	"findfdt="\
77 		"if test $board_name = omap5_uevm; then " \
78 			"setenv fdtfile omap5-uevm.dtb; fi; " \
79 		"if test $board_name = dra7xx; then " \
80 			"setenv fdtfile dra7-evm.dtb; fi;" \
81 		"if test $board_name = dra72x-revc; then " \
82 			"setenv fdtfile dra72-evm-revc.dtb; fi;" \
83 		"if test $board_name = dra72x; then " \
84 			"setenv fdtfile dra72-evm.dtb; fi;" \
85 		"if test $board_name = dra71x; then " \
86 			"setenv fdtfile dra71-evm.dtb; fi;" \
87 		"if test $board_name = beagle_x15; then " \
88 			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
89 		"if test $board_name = beagle_x15_revb1; then " \
90 			"setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
91 		"if test $board_name = am572x_idk; then " \
92 			"setenv fdtfile am572x-idk.dtb; fi;" \
93 		"if test $board_name = am57xx_evm; then " \
94 			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
95 		"if test $board_name = am57xx_evm_reva3; then " \
96 			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
97 		"if test $board_name = am571x_idk; then " \
98 			"setenv fdtfile am571x-idk.dtb; fi;" \
99 		"if test $fdtfile = undefined; then " \
100 			"echo WARNING: Could not determine device tree to use; fi; \0" \
101 	DFUARGS \
102 	NETARGS \
103 
104 #define CONFIG_BOOTCOMMAND \
105 	"if test ${dofastboot} -eq 1; then " \
106 		"echo Boot fastboot requested, resetting dofastboot ...;" \
107 		"setenv dofastboot 0; saveenv;" \
108 		"echo Booting into fastboot ...; " \
109 		"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \
110 	"fi;" \
111 	"if test ${boot_fit} -eq 1; then "	\
112 		"run update_to_fit;"	\
113 	"fi;"	\
114 	"run findfdt; " \
115 	"run envboot; " \
116 	"run mmcboot;" \
117 	"setenv mmcdev 1; " \
118 	"setenv bootpart 1:2; " \
119 	"setenv mmcroot /dev/mmcblk0p2 rw; " \
120 	"run mmcboot;" \
121 	""
122 
123 /*
124  * SPL related defines.  The Public RAM memory map the ROM defines the
125  * area between 0x40300000 and 0x4031E000 as a download area for OMAP5.
126  * On DRA7xx/AM57XX the download area is between 0x40300000 and 0x4037E000.
127  * We set CONFIG_SPL_DISPLAY_PRINT to have omap_rev_string() called and
128  * print some information.
129  */
130 #ifdef CONFIG_TI_SECURE_DEVICE
131 /*
132  * For memory booting on HS parts, the first 4KB of the internal RAM is
133  * reserved for secure world use and the flash loader image is
134  * preceded by a secure certificate. The SPL will therefore run in internal
135  * RAM from address 0x40301350 (0x40300000+0x1000(reserved)+0x350(cert)).
136  */
137 #define TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ	0x1000
138 #define CONFIG_SPL_TEXT_BASE	0x40301350
139 /* If no specific start address is specified then the secure EMIF
140  * region will be placed at the end of the DDR space. In order to prevent
141  * the main u-boot relocation from clobbering that memory and causing a
142  * firewall violation, we tell u-boot that memory is protected RAM (PRAM)
143  */
144 #if (CONFIG_TI_SECURE_EMIF_REGION_START == 0)
145 #define CONFIG_PRAM (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE) >> 10
146 #endif
147 #else
148 /*
149  * For all booting on GP parts, the flash loader image is
150  * downloaded into internal RAM at address 0x40300000.
151  */
152 #define CONFIG_SPL_TEXT_BASE	0x40300000
153 #endif
154 
155 #define CONFIG_SPL_LDSCRIPT "arch/arm/mach-omap2/u-boot-spl.lds"
156 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
157 					 (128 << 20))
158 
159 #ifdef CONFIG_NAND
160 #define CONFIG_SPL_NAND_AM33XX_BCH	/* ELM support */
161 #endif
162 
163 /*
164  * Disable MMC DM for SPL build and can be re-enabled after adding
165  * DM support in SPL
166  */
167 #ifdef CONFIG_SPL_BUILD
168 #undef CONFIG_DM_MMC
169 #undef CONFIG_TIMER
170 #undef CONFIG_DM_ETH
171 #endif
172 
173 #endif /* __CONFIG_TI_OMAP5_COMMON_H */
174