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1 /*
2  * ti814x_evm.h
3  *
4  * Copyright (C) 2013 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_TI814X_EVM_H
17 #define __CONFIG_TI814X_EVM_H
18 
19 #include <asm/arch/omap.h>
20 
21 #define CONFIG_SYS_MALLOC_LEN		(1024 << 10)
22 #define CONFIG_MACH_TYPE		MACH_TYPE_TI8148EVM
23 
24 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
25 #define CONFIG_SETUP_MEMORY_TAGS
26 #define CONFIG_INITRD_TAG		/* for ramdisk support */
27 
28 /* commands to include */
29 
30 #define CONFIG_EXTRA_ENV_SETTINGS \
31 	"loadaddr=0x80200000\0" \
32 	"fdtaddr=0x80F80000\0" \
33 	"rdaddr=0x81000000\0" \
34 	"bootfile=/boot/uImage\0" \
35 	"fdtfile=\0" \
36 	"console=ttyO0,115200n8\0" \
37 	"optargs=\0" \
38 	"mmcdev=0\0" \
39 	"mmcroot=/dev/mmcblk0p2 ro\0" \
40 	"mmcrootfstype=ext4 rootwait\0" \
41 	"ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
42 	"ramrootfstype=ext2\0" \
43 	"mmcargs=setenv bootargs console=${console} " \
44 		"${optargs} " \
45 		"root=${mmcroot} " \
46 		"rootfstype=${mmcrootfstype}\0" \
47 	"bootenv=uEnv.txt\0" \
48 	"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
49 	"importbootenv=echo Importing environment from mmc ...; " \
50 		"env import -t $loadaddr $filesize\0" \
51 	"ramargs=setenv bootargs console=${console} " \
52 		"${optargs} " \
53 		"root=${ramroot} " \
54 		"rootfstype=${ramrootfstype}\0" \
55 	"loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
56 	"loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}\0" \
57 	"loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} ${bootfile}\0" \
58 	"mmcboot=echo Booting from mmc ...; " \
59 		"run mmcargs; " \
60 		"bootm ${loadaddr}\0" \
61 	"ramboot=echo Booting from ramdisk ...; " \
62 		"run ramargs; " \
63 		"bootm ${loadaddr}\0" \
64 	"fdtfile=ti814x-evm.dtb\0" \
65 
66 #define CONFIG_BOOTCOMMAND \
67 	"mmc dev ${mmcdev}; if mmc rescan; then " \
68 		"echo SD/MMC found on device ${mmcdev};" \
69 		"if run loadbootenv; then " \
70 			"echo Loaded environment from ${bootenv};" \
71 			"run importbootenv;" \
72 		"fi;" \
73 		"if test -n $uenvcmd; then " \
74 			"echo Running uenvcmd ...;" \
75 			"run uenvcmd;" \
76 		"fi;" \
77 		"if run loaduimage; then " \
78 			"run mmcboot;" \
79 		"fi;" \
80 	"fi;" \
81 
82 /* Clock Defines */
83 #define V_OSCK			24000000	/* Clock output from T2 */
84 #define V_SCLK			(V_OSCK >> 1)
85 
86 
87 /* Console I/O Buffer Size */
88 #define CONFIG_SYS_CBSIZE		512
89 
90 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
91 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START \
92 					+ PHYS_DRAM_1_SIZE - (8 << 12))
93 
94 #define CONFIG_SYS_LOAD_ADDR		0x81000000	/* Default */
95 
96 /**
97  * Physical Memory Map
98  */
99 #define PHYS_DRAM_1_SIZE		0x20000000	/* 512MB */
100 #define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1024MB */
101 
102 #define CONFIG_SYS_SDRAM_BASE		0x80000000
103 #define CONFIG_SYS_INIT_SP_ADDR		(NON_SECURE_SRAM_END - \
104 					 GENERATED_GBL_DATA_SIZE)
105 
106 /**
107  * Platform/Board specific defs
108  */
109 #define CONFIG_SYS_TIMERBASE		0x4802E000
110 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
111 
112 /* NS16550 Configuration */
113 #define CONFIG_SYS_NS16550_SERIAL
114 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
115 #define CONFIG_SYS_NS16550_CLK		(48000000)
116 #define CONFIG_SYS_NS16550_COM1		0x48020000	/* Base EVM has UART0 */
117 
118 /* CPU */
119 
120 #define CONFIG_ENV_OVERWRITE
121 
122 /* Defines for SPL */
123 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
124 					 CONFIG_SPL_TEXT_BASE)
125 
126 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
127 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
128 
129 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION     1
130 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME        "u-boot.img"
131 
132 #define CONFIG_SYS_SPI_U_BOOT_SIZE	0x40000
133 
134 /*
135  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
136  * 64 bytes before this address should be set aside for u-boot.img's
137  * header. That is 0x800FFFC0--0x80800000 should not be used for any
138  * other needs.
139  */
140 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
141 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
142 
143 /*
144  * Since SPL did pll and ddr initialization for us,
145  * we don't need to do it twice.
146  */
147 #ifndef CONFIG_SPL_BUILD
148 #define CONFIG_SKIP_LOWLEVEL_INIT
149 #endif
150 
151 /* Ethernet */
152 #define CONFIG_BOOTP_DNS2
153 #define CONFIG_BOOTP_SEND_HOSTNAME
154 #define CONFIG_NET_RETRY_COUNT         10
155 #define CONFIG_PHY_ET1011C
156 #define CONFIG_PHY_ET1011C_TX_CLK_FIX
157 
158 #endif	/* ! __CONFIG_TI814X_EVM_H */
159