2 * Copyright (C) ST-Ericsson SA 2009
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * High Level Configuration Options
33 #define CONFIG_SYS_MEMTEST_START 0x00000000
34 #define CONFIG_SYS_MEMTEST_END 0x1FFFFFFF
35 #define CONFIG_SYS_HZ 1000 /* must be 1000 */
37 #define CONFIG_BOARD_EARLY_INIT_F
38 #define CONFIG_BOARD_LATE_INIT
41 * Size of malloc() pool
43 #ifdef CONFIG_BOOT_SRAM
44 #define CONFIG_ENV_SIZE (32*1024)
45 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 64*1024)
47 #define CONFIG_ENV_SIZE (128*1024)
48 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 256*1024)
50 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */
55 #define CONFIG_PL011_SERIAL
56 #define CONFIG_PL011_SERIAL_RLCR
57 #define CONFIG_PL011_SERIAL_FLUSH_ON_INIT
60 * U8500 UART registers base for 3 serial devices
62 #define CFG_UART0_BASE 0x80120000
63 #define CFG_UART1_BASE 0x80121000
64 #define CFG_UART2_BASE 0x80007000
65 #define CFG_SERIAL0 CFG_UART0_BASE
66 #define CFG_SERIAL1 CFG_UART1_BASE
67 #define CFG_SERIAL2 CFG_UART2_BASE
68 #define CONFIG_PL011_CLOCK 38400000
69 #define CONFIG_PL01x_PORTS { (void *)CFG_SERIAL0, (void *)CFG_SERIAL1, \
71 #define CONFIG_CONS_INDEX 2
72 #define CONFIG_BAUDRATE 115200
73 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
76 * Devices and file systems
79 #define CONFIG_GENERIC_MMC
80 #define CONFIG_DOS_PARTITION
85 #define CONFIG_CMD_MEMORY
86 #define CONFIG_CMD_BOOTD
87 #define CONFIG_CMD_BDI
88 #define CONFIG_CMD_IMI
89 #define CONFIG_CMD_MISC
90 #define CONFIG_CMD_RUN
91 #define CONFIG_CMD_ECHO
92 #define CONFIG_CMD_CONSOLE
93 #define CONFIG_CMD_LOADS
94 #define CONFIG_CMD_LOADB
95 #define CONFIG_CMD_MMC
96 #define CONFIG_CMD_FAT
97 #define CONFIG_CMD_EXT2
98 #define CONFIG_CMD_EMMC
99 #define CONFIG_CMD_SOURCE
100 #define CONFIG_CMD_I2C
102 #ifndef CONFIG_BOOTDELAY
103 #define CONFIG_BOOTDELAY 1
105 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
107 #undef CONFIG_BOOTARGS
108 #define CONFIG_BOOTCOMMAND "run emmcboot"
110 #define CONFIG_EXTRA_ENV_SETTINGS \
112 "loadaddr=0x00100000\0" \
113 "console=ttyAMA2,115200n8\0" \
114 "memargs256=mem=96M@0 mem_modem=32M@96M mem=30M@128M " \
115 "pmem=22M@158M pmem_hwb=44M@180M mem_mali=32@224M\0" \
116 "memargs512=mem=96M@0 mem_modem=32M@96M mem=44M@128M " \
117 "pmem=22M@172M mem=30M@194M mem_mali=32M@224M " \
118 "pmem_hwb=54M@256M mem=202M@310M\0" \
119 "commonargs=setenv bootargs cachepolicy=writealloc noinitrd " \
121 "board_id=${board_id} " \
123 "startup_graphics=${startup_graphics}\0" \
124 "emmcargs=setenv bootargs ${bootargs} " \
125 "root=/dev/mmcblk0p2 " \
127 "addcons=setenv bootargs ${bootargs} " \
128 "console=${console}\0" \
129 "emmcboot=echo Booting from eMMC ...; " \
130 "run commonargs emmcargs addcons memargs;" \
131 "mmc read 0 ${loadaddr} 0xA0000 0x4000;" \
132 "bootm ${loadaddr}\0" \
133 "flash=mmc init 1;fatload mmc 1 ${loadaddr} flash.scr;" \
134 "source ${loadaddr}\0" \
135 "loaduimage=mmc init 1;fatload mmc 1 ${loadaddr} uImage\0" \
137 "stdout=serial,usbtty\0" \
138 "stdin=serial,usbtty\0" \
139 "stderr=serial,usbtty\0"
142 * Miscellaneous configurable options
145 #define CONFIG_SYS_LONGHELP /* undef to save memory */
146 #define CONFIG_SYS_PROMPT "U8500 $ " /* Monitor Command Prompt */
147 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
149 /* Print Buffer Size */
150 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
151 + sizeof(CONFIG_SYS_PROMPT) + 16)
152 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */
153 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Arg Buffer Size */
155 #undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */
156 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
157 #define CONFIG_SYS_LOADS_BAUD_CHANGE
159 #define CONFIG_SYS_HUSH_PARSER
160 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
161 #define CONFIG_CMDLINE_EDITING
163 #define CONFIG_SETUP_MEMORY_TAGS 2
164 #define CONFIG_INITRD_TAG
165 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
170 #define CONFIG_U8500_I2C
171 #undef CONFIG_HARD_I2C /* I2C with hardware support */
172 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
173 #define CONFIG_I2C_MULTI_BUS
174 #define CONFIG_SYS_I2C_SPEED 100000
175 #define CONFIG_SYS_I2C_SLAVE 0 /* slave addr of controller */
176 #define CONFIG_SYS_U8500_I2C0_BASE 0x80004000
177 #define CONFIG_SYS_U8500_I2C1_BASE 0x80122000
178 #define CONFIG_SYS_U8500_I2C2_BASE 0x80128000
179 #define CONFIG_SYS_U8500_I2C3_BASE 0x80110000
180 #define CONFIG_SYS_U8500_I2C_BUS_MAX 4
182 #define CONFIG_SYS_I2C_GPIOE_ADDR 0x42 /* GPIO expander chip addr */
183 #define CONFIG_TC35892_GPIO
187 * The stack sizes are set up in start.S using the settings below
190 #ifdef CONFIG_USE_IRQ
191 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
192 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
196 * Physical Memory Map
198 #define CONFIG_NR_DRAM_BANKS 1
199 #define PHYS_SDRAM_1 0x00000000 /* DDR-SDRAM Bank #1 */
200 #define PHYS_SDRAM_SIZE_1 0x20000000 /* 512 MB */
203 * additions for new relocation code
205 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
206 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
207 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
208 CONFIG_SYS_INIT_RAM_SIZE - \
209 GENERATED_GBL_DATA_SIZE)
210 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
212 /* landing address before relocation */
213 #ifndef CONFIG_SYS_TEXT_BASE
214 #define CONFIG_SYS_TEXT_BASE 0x0
218 * MMC related configs
219 * NB Only externa SD slot is currently supported
221 #define MMC_BLOCK_SIZE 512
222 #define CONFIG_ARM_PL180_MMCI
223 #define CONFIG_ARM_PL180_MMCI_BASE 0x80126000 /* MMC base for 8500 */
224 #define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000
225 #define CONFIG_MMC_DEV_NUM 1
227 #define CONFIG_CMD_ENV
228 #define CONFIG_CMD_SAVEENV /* CMD_ENV is obsolete but used in env_emmc.c */
229 #define CONFIG_ENV_IS_IN_MMC
230 #define CONFIG_ENV_OFFSET 0x13F80000
231 #define CONFIG_SYS_MMC_ENV_DEV 0 /* SLOT2: eMMC */
234 * FLASH and environment organization
236 #define CONFIG_SYS_NO_FLASH
239 * base register values for U8500
241 #define CFG_PRCMU_BASE 0x80157000 /* Power, reset and clock
243 #define CFG_FSMC_BASE 0x80000000 /* FSMC Controller */
245 #endif /* __CONFIG_H */