2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #ifndef __TEGRA2_COMMON_H
25 #define __TEGRA2_COMMON_H
26 #include <asm/sizes.h>
29 * High Level Configuration Options
31 #define CONFIG_ARMCORTEXA9 /* This is an ARM V7 CPU core */
32 #define CONFIG_TEGRA2 /* in a NVidia Tegra2 core */
33 #define CONFIG_MACH_TEGRA_GENERIC /* which is a Tegra generic machine */
34 #define CONFIG_SYS_L2CACHE_OFF /* No L2 cache */
36 #define CONFIG_SYS_CACHELINE_SIZE 32
38 #define CONFIG_ARCH_CPU_INIT /* Fire up the A9 core */
40 #include <asm/arch/tegra2.h> /* get chip and board defs */
43 * Display CPU and Board information
45 #define CONFIG_DISPLAY_CPUINFO
46 #define CONFIG_DISPLAY_BOARDINFO
48 #define CONFIG_SKIP_LOWLEVEL_INIT
50 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
51 #define CONFIG_OF_LIBFDT /* enable passing of devicetree */
54 #define CONFIG_ENV_SIZE 0x2000 /* Total Size Environment */
57 * Size of malloc() pool
59 #define CONFIG_SYS_MALLOC_LEN (4 << 20) /* 4MB */
64 #define CONFIG_SYS_CPU_OSC_FREQUENCY 1000000 /* Set CPU clock to 1GHz */
67 * NS16550 Configuration
69 #define V_NS16550_CLK 216000000 /* 216MHz (pllp_out0) */
71 #define CONFIG_SYS_NS16550
72 #define CONFIG_SYS_NS16550_SERIAL
73 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
74 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
77 * select serial console configuration
79 #define CONFIG_CONS_INDEX 1
81 /* allow to overwrite serial and ethaddr */
82 #define CONFIG_ENV_OVERWRITE
83 #define CONFIG_BAUDRATE 115200
84 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
88 * This parameter affects a TXFILLTUNING field that controls how much data is
89 * sent to the latency fifo before it is sent to the wire. Without this
90 * parameter, the default (2) causes occasional Data Buffer Errors in OUT
91 * packets depending on the buffer address and size.
93 #define CONFIG_USB_EHCI_TXFIFO_THRESH 10
94 #define CONFIG_EHCI_IS_TDI
95 #define CONFIG_EHCI_DCACHE
97 /* Total I2C ports on Tegra2 */
98 #define TEGRA_I2C_NUM_CONTROLLERS 4
100 /* include default commands */
101 #include <config_cmd_default.h>
103 /* remove unused commands */
104 #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
105 #undef CONFIG_CMD_FPGA /* FPGA configuration support */
106 #undef CONFIG_CMD_IMI
107 #undef CONFIG_CMD_IMLS
108 #undef CONFIG_CMD_NFS /* NFS support */
109 #undef CONFIG_CMD_NET /* network support */
111 /* turn on command-line edit/hist/auto */
112 #define CONFIG_CMDLINE_EDITING
113 #define CONFIG_COMMAND_HISTORY
114 #define CONFIG_AUTO_COMPLETE
116 #define CONFIG_SYS_NO_FLASH
118 /* Environment information */
119 #define CONFIG_EXTRA_ENV_SETTINGS \
120 "console=ttyS0,115200n8\0" \
121 "mem=" TEGRA2_SYSMEM "\0" \
124 #define CONFIG_LOADADDR 0x408000 /* def. location for kernel */
125 #define CONFIG_BOOTDELAY 2 /* -1 to disable auto boot */
128 * Miscellaneous configurable options
130 #define CONFIG_SYS_LONGHELP /* undef to save memory */
131 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
132 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
133 #define CONFIG_SYS_PROMPT V_PROMPT
135 * Increasing the size of the IO buffer as default nfsargs size is more
136 * than 256 and so it is not possible to edit it
138 #define CONFIG_SYS_CBSIZE (256 * 2) /* Console I/O Buffer Size */
139 /* Print Buffer Size */
140 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
141 sizeof(CONFIG_SYS_PROMPT) + 16)
142 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
143 /* Boot Argument Buffer Size */
144 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
146 #define CONFIG_SYS_MEMTEST_START (TEGRA2_SDRC_CS0 + 0x600000)
147 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x100000)
149 #define CONFIG_SYS_LOAD_ADDR (0xA00800) /* default */
150 #define CONFIG_SYS_HZ 1000
152 /*-----------------------------------------------------------------------
155 * The stack sizes are set up in start.S using the settings below
157 #define CONFIG_STACKBASE 0x2800000 /* 40MB */
158 #define CONFIG_STACKSIZE 0x20000 /* 128K regular stack*/
160 /*-----------------------------------------------------------------------
161 * Physical Memory Map
163 #define CONFIG_NR_DRAM_BANKS 1
164 #define PHYS_SDRAM_1 TEGRA2_SDRC_CS0
165 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */
167 #define CONFIG_SYS_TEXT_BASE 0x00108000
168 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
170 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE
171 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN
172 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
173 CONFIG_SYS_INIT_RAM_SIZE - \
174 GENERATED_GBL_DATA_SIZE)
176 #define CONFIG_TEGRA2_GPIO
177 #define CONFIG_CMD_GPIO
178 #endif /* __TEGRA2_COMMON_H */