1 /*
2  * bur_am335x_common.h
3  *
4  * common parts used by B&R AM335x based boards
5  *
6  * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at> -
7  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
8  *
9  * SPDX-License-Identifier:        GPL-2.0+
10  */
11 
12 #ifndef __BUR_AM335X_COMMON_H__
13 #define __BUR_AM335X_COMMON_H__
14 /* ------------------------------------------------------------------------- */
15 #define BUR_COMMON_ENV \
16 "defaultip=192.168.60.253\0" \
17 "defaultsip=192.168.60.254\0" \
18 "netconsole=echo switching to network console ...; " \
19 "if dhcp; then " \
20 "setenv ncip ${serverip}; else " \
21 "setenv ncip 192.168.60.254; " \
22 "setenv serverip 192.168.60.254; " \
23 "setenv gatewayip 192.168.60.254; " \
24 "setenv ipaddr 192.168.60.1; " \
25 "fi;" \
26 "setenv netdisplay0 '" \
27 "setcurs 1 9; puts myip; setcurs 10 9; puts ${ipaddr};" \
28 "setcurs 1 10;puts serverip; setcurs 10 10; puts ${serverip};" \
29 "run netdisplay0; " \
30 "setenv stdout nc;setenv stdin nc;setenv stderr nc\0"
31 
32 #define CONFIG_CMD_TIME
33 #define CONFIG_VIDEO_BMP_GZIP
34 #define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(1366*767*4)
35 #define CONFIG_CMD_UNZIP
36 #define CONFIG_CMD_BMP
37 #define CONFIG_BMP_24BMP
38 #define CONFIG_BMP_32BPP
39 
40 #define CONFIG_SYS_GENERIC_BOARD
41 
42 #define CONFIG_AM33XX
43 #define CONFIG_OMAP
44 #define CONFIG_OMAP_COMMON
45 #define CONFIG_BOARD_LATE_INIT
46 #define CONFIG_SYS_CACHELINE_SIZE	64
47 #define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
48 
49 /* Timer information */
50 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
51 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
52 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC	/* enable 32kHz OSC at bootime */
53 #define CONFIG_SPL_POWER_SUPPORT
54 #define CONFIG_POWER_TPS65217
55 
56 #define CONFIG_SYS_NO_FLASH		/* have no NOR-flash */
57 
58 #include <asm/arch/omap.h>
59 
60 /* NS16550 Configuration */
61 #define CONFIG_SYS_NS16550
62 #define CONFIG_SYS_NS16550_SERIAL
63 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
64 #define CONFIG_SYS_NS16550_CLK		48000000
65 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
66 #define CONFIG_BAUDRATE			115200
67 
68 /* Network defines */
69 #define CONFIG_CMD_NET			/* 'bootp' and 'tftp' */
70 #define CONFIG_CMD_DHCP
71 #define CONFIG_BOOTP_DNS		/* Configurable parts of CMD_DHCP */
72 #define CONFIG_BOOTP_SEND_HOSTNAME
73 #define CONFIG_BOOTP_GATEWAY
74 #define CONFIG_BOOTP_SUBNETMASK
75 #define CONFIG_NET_RETRY_COUNT		2
76 #define CONFIG_CMD_PING
77 #define CONFIG_DRIVER_TI_CPSW		/* Driver for IP block */
78 #define CONFIG_MII			/* Required in net/eth.c */
79 #define CONFIG_SPL_ETH_SUPPORT
80 #define CONFIG_PHYLIB
81 #define CONFIG_PHY_NATSEMI
82 #define CONFIG_SPL_NET_SUPPORT
83 #define CONFIG_SPL_ENV_SUPPORT		/* used for a fetching MAC-Address */
84 #define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
85 /* Network console */
86 #define CONFIG_NETCONSOLE			1
87 #define CONFIG_BOOTP_MAY_FAIL		/* if we don't have DHCP environment */
88 /*
89  * SPL related defines.  The Public RAM memory map the ROM defines the
90  * area between 0x402F0400 and 0x4030B800 as a download area and
91  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
92  * supports X-MODEM loading via UART, and we leverage this and then use
93  * Y-MODEM to load u-boot.img, when booted over UART.
94  */
95 #define CONFIG_SPL_TEXT_BASE		0x402F0400
96 #define CONFIG_SPL_MAX_SIZE		(0x4030B800 - CONFIG_SPL_TEXT_BASE)
97 
98 /*
99  * Since SPL did pll and ddr initialization for us,
100  * we don't need to do it twice.
101  */
102 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
103 #define CONFIG_SKIP_LOWLEVEL_INIT
104 #endif /* !CONFIG_SPL_BUILD, ... */
105 /*
106  * Our DDR memory always starts at 0x80000000 and U-Boot shall have
107  * relocated itself to higher in memory by the time this value is used.
108  */
109 #define CONFIG_SYS_LOAD_ADDR		0x80000000
110 /*
111  * ----------------------------------------------------------------------------
112  * DDR information.  We say (for simplicity) that we have 1 bank,
113  * always, even when we have more.  We always start at 0x80000000,
114  * and we place the initial stack pointer in our SRAM.
115  */
116 #define CONFIG_NR_DRAM_BANKS		1
117 #define CONFIG_SYS_SDRAM_BASE		0x80000000
118 #define CONFIG_SYS_INIT_SP_ADDR		(NON_SECURE_SRAM_END - \
119 					GENERATED_GBL_DATA_SIZE)
120 
121 /* I2C */
122 #define CONFIG_SYS_I2C
123 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
124 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
125 #define CONFIG_SYS_I2C_OMAP24XX
126 #define CONFIG_CMD_I2C
127 /* GPIO */
128 #define CONFIG_OMAP_GPIO
129 #define CONFIG_CMD_GPIO
130 /*
131  * ----------------------------------------------------------------------------
132  * The following are general good-enough settings for U-Boot.  We set a
133  * large malloc pool as we generally have a lot of DDR, and we opt for
134  * function over binary size in the main portion of U-Boot as this is
135  * generally easily constrained later if needed.  We enable the config
136  * options that give us information in the environment about what board
137  * we are on so we do not need to rely on the command prompt.  We set a
138  * console baudrate of 115200 and use the default baud rate table.
139  */
140 #define CONFIG_SYS_MALLOC_LEN		(5120 << 10)
141 #define CONFIG_SYS_HUSH_PARSER
142 #define CONFIG_SYS_PROMPT		"U-Boot (BuR V2.0)# "
143 #define CONFIG_SYS_CONSOLE_INFO_QUIET
144 #define CONFIG_ENV_OVERWRITE		/* Overwrite ethaddr / serial# */
145 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
146 #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
147 
148 /* As stated above, the following choices are optional. */
149 #define CONFIG_SYS_LONGHELP
150 #define CONFIG_AUTO_COMPLETE
151 #define CONFIG_CMDLINE_EDITING
152 #define CONFIG_VERSION_VARIABLE
153 
154 /* We set the max number of command args high to avoid HUSH bugs. */
155 #define CONFIG_SYS_MAXARGS		64
156 
157 /* Console I/O Buffer Size */
158 #define CONFIG_SYS_CBSIZE		512
159 /* Print Buffer Size */
160 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +\
161 					sizeof(CONFIG_SYS_PROMPT) + 16)
162 /* Boot Argument Buffer Size */
163 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
164 /*
165  * For commands to use, we take the default list and add a few other
166  * useful commands.  Note that we must have set CONFIG_SYS_NO_FLASH
167  * prior to this include, in order to skip a few commands.  When we do
168  * have flash, if we expect these commands they must be enabled in that
169  * config.  If desired, a specific list of desired commands can be used
170  * instead.
171  */
172 #include <config_cmd_default.h>
173 /* undefine commands, which we do not need */
174 #undef CONFIG_CMD_EDITENV
175 #undef CONFIG_CMD_FPGA
176 #undef CONFIG_CMD_IMI
177 #undef CONFIG_CMD_ITEST
178 #undef CONFIG_CMD_LOADS
179 #undef CONFIG_CMD_LOADB
180 #undef CONFIG_CMD_NFS
181 #undef CONFIG_CMD_SETGETDCR
182 #undef CONFIG_CMD_XIMG
183 /* define command we need always */
184 #define CONFIG_CMD_ECHO
185 #define CONFIG_CMD_SOURCE
186 
187 /*
188  * Our platforms make use of SPL to initalize the hardware (primarily
189  * memory) enough for full U-Boot to be loaded.  We also support Falcon
190  * Mode so that the Linux kernel can be booted directly from SPL
191  * instead, if desired.  We make use of the general SPL framework found
192  * under common/spl/.  Given our generally common memory map, we set a
193  * number of related defaults and sizes here.
194  */
195 #define CONFIG_SPL_FRAMEWORK
196 /*
197  * Place the image at the start of the ROM defined image space.
198  * We limit our size to the ROM-defined downloaded image area, and use the
199  * rest of the space for stack.  We load U-Boot itself into memory at
200  * 0x80800000 for legacy reasons (to not conflict with older SPLs).  We
201  * have our BSS be placed 1MiB after this, to allow for the default
202  * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
203  * We have the SPL malloc pool at the end of the BSS area.
204  *
205  * ----------------------------------------------------------------------------
206  */
207 #undef  CONFIG_SYS_TEXT_BASE
208 #define CONFIG_SYS_TEXT_BASE		0x80800000
209 #define CONFIG_SPL_BSS_START_ADDR	0x80A00000
210 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
211 #define CONFIG_SYS_SPL_MALLOC_START	(CONFIG_SPL_BSS_START_ADDR + \
212 					CONFIG_SPL_BSS_MAX_SIZE)
213 #define CONFIG_SYS_SPL_MALLOC_SIZE	CONFIG_SYS_MALLOC_LEN
214 
215 /* General parts of the framework, required. */
216 #define CONFIG_SPL_I2C_SUPPORT
217 #define CONFIG_SPL_LIBCOMMON_SUPPORT
218 #define CONFIG_SPL_LIBGENERIC_SUPPORT
219 #define CONFIG_SPL_SERIAL_SUPPORT
220 #define CONFIG_SPL_BOARD_INIT
221 #define CONFIG_SPL_YMODEM_SUPPORT
222 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
223 
224 #endif	/* ! __BUR_AM335X_COMMON_H__ */
225