xref: /openbmc/u-boot/include/configs/km/km_arm.h (revision e2a53458)
1 /*
2  * (C) Copyright 2009
3  * Marvell Semiconductor <www.marvell.com>
4  * Prafulla Wadaskar <prafulla@marvell.com>
5  *
6  * (C) Copyright 2009
7  * Stefan Roese, DENX Software Engineering, sr@denx.de.
8  *
9  * (C) Copyright 2010-2011
10  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
11  *
12  * See file CREDITS for list of people who contributed to this
13  * project.
14  *
15  * This program is free software; you can redistribute it and/or
16  * modify it under the terms of the GNU General Public License as
17  * published by the Free Software Foundation; either version 2 of
18  * the License, or (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with this program; if not, write to the Free Software
27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
28  * MA 02110-1301 USA
29  */
30 
31 /*
32  * for linking errors see
33  * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
34  */
35 
36 #ifndef _CONFIG_KM_ARM_H
37 #define _CONFIG_KM_ARM_H
38 
39 /*
40  * High Level Configuration Options (easy to change)
41  */
42 #define CONFIG_MARVELL
43 #define CONFIG_FEROCEON_88FR131		/* CPU Core subversion */
44 #define CONFIG_KIRKWOOD			/* SOC Family Name */
45 #define CONFIG_KW88F6281		/* SOC Name */
46 #define CONFIG_MACH_KM_KIRKWOOD		/* Machine type */
47 
48 /* include common defines/options for all Keymile boards */
49 #include "keymile-common.h"
50 
51 #define CONFIG_CMD_NAND
52 #define CONFIG_CMD_SF
53 #define CONFIG_SOFT_I2C		/* I2C bit-banged	*/
54 
55 #include "asm/arch/config.h"
56 
57 #define CONFIG_SYS_TEXT_BASE	0x07d00000	/* code address before reloc */
58 #define CONFIG_SYS_MEMTEST_START 0x00400000	/* 4M */
59 #define CONFIG_SYS_MEMTEST_END	0x007fffff	/*(_8M -1) */
60 #define CONFIG_SYS_LOAD_ADDR	0x00800000	/* default load adr- 8M */
61 
62 /* pseudo-non volatile RAM [hex] */
63 #define CONFIG_KM_PNVRAM	0x80000
64 /* physical RAM MTD size [hex] */
65 #define CONFIG_KM_PHRAM		0x17F000
66 
67 #define CONFIG_KM_CRAMFS_ADDR	0x2400000
68 #define CONFIG_KM_KERNEL_ADDR	0x2000000	/* 4096KBytes */
69 
70 /* architecture specific default bootargs */
71 #define CONFIG_KM_DEF_BOOT_ARGS_CPU					\
72 		"bootcountaddr=${bootcountaddr} ${mtdparts}"
73 
74 #define CONFIG_KM_DEF_ENV_CPU						\
75 	"boot=bootm ${load_addr_r} - -\0"				\
76 	"cramfsloadfdt=true\0"						\
77 	"u-boot="xstr(CONFIG_HOSTNAME) "/u-boot.kwb\0"			\
78 	CONFIG_KM_DEF_ENV_UPDATE					\
79 	""
80 
81 #define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
82 #define CONFIG_MISC_INIT_R
83 
84 /*
85  * NS16550 Configuration
86  */
87 #define CONFIG_SYS_NS16550
88 #define CONFIG_SYS_NS16550_SERIAL
89 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
90 #define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_TCLK
91 #define CONFIG_SYS_NS16550_COM1		KW_UART0_BASE
92 #define CONFIG_SYS_NS16550_COM2		KW_UART1_BASE
93 
94 /*
95  * Serial Port configuration
96  * The following definitions let you select what serial you want to use
97  * for your console driver.
98  */
99 
100 #define CONFIG_CONS_INDEX	1	/* Console on UART0 */
101 
102 /*
103  * For booting Linux, the board info and command line data
104  * have to be in the first 8 MB of memory, since this is
105  * the maximum mapped by the Linux kernel during initialization.
106  */
107 #define CONFIG_BOOTMAPSZ	(8 << 20)	/* Initial Memmap for Linux */
108 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
109 #define CONFIG_INITRD_TAG		/* enable INITRD tag */
110 #define CONFIG_SETUP_MEMORY_TAGS	/* enable memory tag */
111 
112 /*
113  * Commands configuration
114  */
115 #define CONFIG_CMD_ELF
116 #define CONFIG_CMD_MTDPARTS
117 #define CONFIG_CMD_NFS
118 
119 /*
120  * Without NOR FLASH we need this
121  */
122 #define CONFIG_SYS_NO_FLASH
123 #undef CONFIG_CMD_FLASH
124 #undef CONFIG_CMD_IMLS
125 
126 /*
127  * NAND Flash configuration
128  */
129 #define CONFIG_SYS_MAX_NAND_DEVICE	1
130 #define NAND_MAX_CHIPS			1
131 
132 #define BOOTFLASH_START		0x0
133 
134 /* Kirkwood has two serial IF */
135 #if (CONFIG_CONS_INDEX == 2)
136 #define CONFIG_KM_CONSOLE_TTY	"ttyS1"
137 #else
138 #define CONFIG_KM_CONSOLE_TTY	"ttyS0"
139 #endif
140 
141 /*
142  * Other required minimal configurations
143  */
144 #define CONFIG_CONSOLE_INFO_QUIET	/* some code reduction */
145 #define CONFIG_ARCH_CPU_INIT		/* call arch_cpu_init() */
146 #define CONFIG_ARCH_MISC_INIT		/* call arch_misc_init() */
147 #define CONFIG_DISPLAY_CPUINFO		/* Display cpu info */
148 #define CONFIG_NR_DRAM_BANKS	4
149 #define CONFIG_STACKSIZE	0x00100000	/* regular stack- 1M */
150 #define CONFIG_SYS_RESET_ADDRESS 0xffff0000	/* Rst Vector Adr */
151 
152 /*
153  * Ethernet Driver configuration
154  */
155 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
156 #define CONFIG_NET_MULTI	/* specify more that one ports available */
157 #define CONFIG_MII		/* expose smi ove miiphy interface */
158 #define CONFIG_MVGBE		/* Enable Marvell Gbe Controller Driver */
159 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
160 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
161 #define CONFIG_PHY_BASE_ADR	0
162 #define CONFIG_ENV_OVERWRITE	/* ethaddr can be reprogrammed */
163 #define CONFIG_RESET_PHY_R	/* use reset_phy() to init 88E1118 PHY */
164 
165 /*
166  * UBI related stuff
167  */
168 #define CONFIG_SYS_USE_UBI
169 
170 /*
171  * I2C related stuff
172  */
173 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
174 #if defined(CONFIG_SOFT_I2C)
175 #ifndef __ASSEMBLY__
176 #include <asm/arch-kirkwood/gpio.h>
177 extern void __set_direction(unsigned pin, int high);
178 void set_sda(int state);
179 void set_scl(int state);
180 int get_sda(void);
181 int get_scl(void);
182 #define KM_KIRKWOOD_SDA_PIN	8
183 #define KM_KIRKWOOD_SCL_PIN	9
184 #define KM_KIRKWOOD_ENV_WP	38
185 
186 #define I2C_ACTIVE	__set_direction(KM_KIRKWOOD_SDA_PIN, 0)
187 #define I2C_TRISTATE	__set_direction(KM_KIRKWOOD_SDA_PIN, 1)
188 #define I2C_READ	(kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
189 #define I2C_SDA(bit)	kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
190 #define I2C_SCL(bit)	kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
191 #endif
192 
193 #define I2C_DELAY	udelay(3)	/* 1/4 I2C clock duration */
194 #define I2C_SOFT_DECLARATIONS
195 
196 #endif
197 
198 /* EEprom support 24C128, 24C256 valid for environment eeprom */
199 #define CONFIG_SYS_I2C_MULTI_EEPROMS
200 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
201 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6 /* 64 Byte write page */
202 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
203 
204 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
205 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
206 
207 /*
208  *  Environment variables configurations
209  */
210 #define CONFIG_ENV_IS_IN_EEPROM		/* use EEPROM for environment vars */
211 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
212 #define CONFIG_ENV_EEPROM_IS_ON_I2C
213 #define CONFIG_SYS_EEPROM_WREN
214 #define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
215 #define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
216 #define CONFIG_I2C_ENV_EEPROM_BUS	KM_ENV_BUS "\0"
217 
218 /* offset redund: (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) */
219 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
220 #define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
221 #define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
222 
223 #define CONFIG_SPI_FLASH
224 #define CONFIG_SPI_FLASH_STMICRO
225 
226 #define FLASH_GPIO_PIN			0x00010000
227 
228 #define MTDIDS_DEFAULT		"nand0=orion_nand"
229 /* test-only: partitioning needs some tuning, this is just for tests */
230 #define MTDPARTS_DEFAULT	"mtdparts="				\
231 	"orion_nand:"							\
232 		"-(" CONFIG_KM_UBI_PARTITION_NAME ")"
233 
234 #define	CONFIG_KM_DEF_ENV_UPDATE					\
235 	"update="							\
236 		"spi on;sf probe 0;sf erase 0 50000;"			\
237 		"sf write ${load_addr_r} 0 ${filesize};"		\
238 		"spi off\0"
239 
240 /*
241  * Default environment variables
242  */
243 #define CONFIG_EXTRA_ENV_SETTINGS					\
244 	CONFIG_KM_DEF_ENV						\
245 	"newenv=setenv addr 0x100000 && "				\
246 		"i2c dev 1; mw.b ${addr} 0 4 && "			\
247 		"eeprom write " xstr(CONFIG_SYS_DEF_EEPROM_ADDR)	\
248 		" ${addr} " xstr(CONFIG_ENV_OFFSET) " 4 && "		\
249 		"eeprom write " xstr(CONFIG_SYS_DEF_EEPROM_ADDR)	\
250 		" ${addr} " xstr(CONFIG_ENV_OFFSET_REDUND) " 4\0"	\
251 	"arch=arm\0"							\
252 	"EEprom_ivm=" KM_IVM_BUS "\0"					\
253 	""
254 
255 #if defined(CONFIG_SYS_NO_FLASH)
256 #define CONFIG_KM_UBI_PARTITION_NAME   "ubi0"
257 #undef	CONFIG_FLASH_CFI_MTD
258 #undef	CONFIG_CMD_JFFS2
259 #undef	CONFIG_JFFS2_CMDLINE
260 #endif
261 
262 /* additions for new relocation code, must be added to all boards */
263 #define CONFIG_SYS_SDRAM_BASE		0x00000000
264 /* Do early setups now in board_init_f() */
265 #define CONFIG_BOARD_EARLY_INIT_F
266 
267 /*
268  * resereved pram area at the end of memroy [hex]
269  * 8Mbytes for switch + 4Kbytes for bootcount
270  */
271 #define CONFIG_KM_RESERVED_PRAM 0x801000
272 /* address for the bootcount (taken from end of RAM) */
273 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
274 
275 /* enable POST tests */
276 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)
277 #define CONFIG_POST_SKIP_ENV_FLAGS
278 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
279 #define CONFIG_CMD_DIAG
280 
281 #endif /* _CONFIG_KM_ARM_H */
282