xref: /openbmc/u-boot/include/configs/km/km_arm.h (revision 704744f8)
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  * SPDX-License-Identifier:	GPL-2.0+
13  */
14 
15 /*
16  * for linking errors see
17  * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
18  */
19 
20 #ifndef _CONFIG_KM_ARM_H
21 #define _CONFIG_KM_ARM_H
22 
23 /*
24  * High Level Configuration Options (easy to change)
25  */
26 #define CONFIG_MARVELL
27 #define CONFIG_FEROCEON_88FR131		/* CPU Core subversion */
28 #define CONFIG_KW88F6281		/* SOC Name */
29 
30 #define CONFIG_MACH_TYPE	MACH_TYPE_KM_KIRKWOOD
31 
32 #define CONFIG_NAND_ECC_BCH
33 
34 /* include common defines/options for all Keymile boards */
35 #include "keymile-common.h"
36 
37 /* SPI NOR Flash default params, used by sf commands */
38 #define CONFIG_SF_DEFAULT_SPEED		8100000
39 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
40 
41 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
42 #define CONFIG_ENV_SPI_BUS		0
43 #define CONFIG_ENV_SPI_CS		0
44 #define CONFIG_ENV_SPI_MAX_HZ		8100000
45 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
46 #endif
47 
48 /* Reserve 4 MB for malloc */
49 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
50 
51 #include "asm/arch/config.h"
52 
53 #define CONFIG_SYS_MEMTEST_START 0x00400000	/* 4M */
54 #define CONFIG_SYS_MEMTEST_END	0x007fffff	/*(_8M -1) */
55 #define CONFIG_SYS_LOAD_ADDR	0x00800000	/* default load adr- 8M */
56 
57 /* pseudo-non volatile RAM [hex] */
58 #define CONFIG_KM_PNVRAM	0x80000
59 /* physical RAM MTD size [hex] */
60 #define CONFIG_KM_PHRAM		0x17F000
61 
62 #define CONFIG_KM_CRAMFS_ADDR	0x2400000
63 #define CONFIG_KM_KERNEL_ADDR	0x2000000	/* 3098KBytes */
64 #define CONFIG_KM_FDT_ADDR	0x23E0000	/*  128KBytes */
65 
66 /* architecture specific default bootargs */
67 #define CONFIG_KM_DEF_BOOT_ARGS_CPU					\
68 		"bootcountaddr=${bootcountaddr} ${mtdparts}"		\
69 		" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
70 
71 #define CONFIG_KM_DEF_ENV_CPU						\
72 	"u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0"		\
73 	CONFIG_KM_UPDATE_UBOOT						\
74 	"set_fdthigh=setenv fdt_high ${kernelmem}\0"			\
75 	"checkfdt="							\
76 		"if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; "	\
77 		"then true; else setenv cramfsloadfdt true; "		\
78 		"setenv boot bootm ${load_addr_r}; "			\
79 		"echo No FDT found, booting with the kernel "		\
80 		"appended one; fi\0"					\
81 	""
82 
83 #define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
84 #define CONFIG_MISC_INIT_R
85 
86 /*
87  * NS16550 Configuration
88  */
89 #define CONFIG_SYS_NS16550_SERIAL
90 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
91 #define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_TCLK
92 #define CONFIG_SYS_NS16550_COM1		KW_UART0_BASE
93 #define CONFIG_SYS_NS16550_COM2		KW_UART1_BASE
94 
95 /*
96  * Serial Port configuration
97  * The following definitions let you select what serial you want to use
98  * for your console driver.
99  */
100 
101 /*
102  * For booting Linux, the board info and command line data
103  * have to be in the first 8 MB of memory, since this is
104  * the maximum mapped by the Linux kernel during initialization.
105  */
106 #define CONFIG_BOOTMAPSZ	(8 << 20)	/* Initial Memmap for Linux */
107 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
108 #define CONFIG_INITRD_TAG		/* enable INITRD tag */
109 #define CONFIG_SETUP_MEMORY_TAGS	/* enable memory tag */
110 
111 /*
112  * NAND Flash configuration
113  */
114 #define CONFIG_SYS_MAX_NAND_DEVICE	1
115 
116 #define BOOTFLASH_START		0x0
117 
118 /* Kirkwood has two serial IF */
119 #if (CONFIG_CONS_INDEX == 2)
120 #define CONFIG_KM_CONSOLE_TTY	"ttyS1"
121 #else
122 #define CONFIG_KM_CONSOLE_TTY	"ttyS0"
123 #endif
124 
125 /*
126  * Other required minimal configurations
127  */
128 #define CONFIG_ARCH_CPU_INIT		/* call arch_cpu_init() */
129 #define CONFIG_NR_DRAM_BANKS	4
130 #define CONFIG_SYS_RESET_ADDRESS 0xffff0000	/* Rst Vector Adr */
131 
132 /*
133  * Ethernet Driver configuration
134  */
135 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
136 #define CONFIG_MII		/* expose smi ove miiphy interface */
137 #define CONFIG_MVGBE		/* Enable Marvell Gbe Controller Driver */
138 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
139 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
140 #define CONFIG_PHY_BASE_ADR	0
141 #define CONFIG_ENV_OVERWRITE	/* ethaddr can be reprogrammed */
142 #define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */
143 
144 /*
145  * I2C related stuff
146  */
147 #undef CONFIG_I2C_MVTWSI
148 #define CONFIG_SYS_I2C
149 #define	CONFIG_SYS_I2C_SOFT	/* I2C bit-banged	*/
150 #define CONFIG_SYS_I2C_INIT_BOARD
151 
152 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
153 #define CONFIG_SYS_NUM_I2C_BUSES	6
154 #define CONFIG_SYS_I2C_MAX_HOPS		1
155 #define CONFIG_SYS_I2C_BUSES	{	{0, {I2C_NULL_HOP} }, \
156 					{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
157 					{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
158 					{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
159 					{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
160 					{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
161 				}
162 
163 #ifndef __ASSEMBLY__
164 #include <asm/arch/gpio.h>
165 extern void __set_direction(unsigned pin, int high);
166 void set_sda(int state);
167 void set_scl(int state);
168 int get_sda(void);
169 int get_scl(void);
170 #define KM_KIRKWOOD_SDA_PIN	8
171 #define KM_KIRKWOOD_SCL_PIN	9
172 #define KM_KIRKWOOD_SOFT_I2C_GPIOS	0x0300
173 #define KM_KIRKWOOD_ENV_WP	38
174 
175 #define I2C_ACTIVE	__set_direction(KM_KIRKWOOD_SDA_PIN, 0)
176 #define I2C_TRISTATE	__set_direction(KM_KIRKWOOD_SDA_PIN, 1)
177 #define I2C_READ	(kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
178 #define I2C_SDA(bit)	kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
179 #define I2C_SCL(bit)	kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
180 #endif
181 
182 #define I2C_DELAY	udelay(1)
183 #define I2C_SOFT_DECLARATIONS
184 
185 #define	CONFIG_SYS_I2C_SOFT_SLAVE	0x0
186 #define	CONFIG_SYS_I2C_SOFT_SPEED	100000
187 
188 /* EEprom support 24C128, 24C256 valid for environment eeprom */
189 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
190 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6 /* 64 Byte write page */
191 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
192 
193 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
194 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
195 
196 /*
197  *  Environment variables configurations
198  */
199 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
200 #define CONFIG_ENV_OFFSET		0xc0000     /* no bracets! */
201 #define CONFIG_ENV_SIZE			0x02000     /* Size of Environment */
202 #define CONFIG_ENV_SECT_SIZE		0x10000
203 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
204 					CONFIG_ENV_SECT_SIZE)
205 #define CONFIG_ENV_TOTAL_SIZE		0x20000     /* no bracets! */
206 #else
207 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
208 #define CONFIG_ENV_EEPROM_IS_ON_I2C
209 #define CONFIG_SYS_EEPROM_WREN
210 #define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
211 #define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
212 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
213 #define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
214 #define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
215 #endif
216 
217 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
218 
219 
220 /* SPI bus claim MPP configuration */
221 #define CONFIG_SYS_KW_SPI_MPP	0x0
222 
223 #define FLASH_GPIO_PIN			0x00010000
224 #define KM_FLASH_GPIO_PIN	16
225 
226 #define	CONFIG_KM_UPDATE_UBOOT						\
227 	"update="							\
228 		"sf probe 0;sf erase 0 +${filesize};"			\
229 		"sf write ${load_addr_r} 0 ${filesize};\0"
230 
231 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
232 #define CONFIG_KM_NEW_ENV						\
233 	"newenv=sf probe 0;"						\
234 		"sf erase " __stringify(CONFIG_ENV_OFFSET) " "		\
235 		__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
236 #else
237 #define CONFIG_KM_NEW_ENV						\
238 	"newenv=setenv addr 0x100000 && "				\
239 		"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
240 		"mw.b ${addr} 0 4 && "					\
241 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
242 		" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "	\
243 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
244 		" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
245 #endif
246 
247 #ifndef CONFIG_KM_BOARD_EXTRA_ENV
248 #define CONFIG_KM_BOARD_EXTRA_ENV       ""
249 #endif
250 
251 /*
252  * Default environment variables
253  */
254 #define CONFIG_EXTRA_ENV_SETTINGS					\
255 	CONFIG_KM_BOARD_EXTRA_ENV					\
256 	CONFIG_KM_DEF_ENV						\
257 	CONFIG_KM_NEW_ENV						\
258 	"arch=arm\0"							\
259 	""
260 
261 #if !defined(CONFIG_MTD_NOR_FLASH)
262 #undef	CONFIG_FLASH_CFI_MTD
263 #undef	CONFIG_JFFS2_CMDLINE
264 #endif
265 
266 /* additions for new relocation code, must be added to all boards */
267 #define CONFIG_SYS_SDRAM_BASE		0x00000000
268 /* Do early setups now in board_init_f() */
269 
270 /*
271  * resereved pram area at the end of memroy [hex]
272  * 8Mbytes for switch + 4Kbytes for bootcount
273  */
274 #define CONFIG_KM_RESERVED_PRAM 0x801000
275 /* address for the bootcount (taken from end of RAM) */
276 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
277 
278 /* enable POST tests */
279 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)
280 #define CONFIG_POST_SKIP_ENV_FLAGS
281 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
282 
283 /* we do the whole PCIe FPGA config stuff here */
284 
285 #endif /* _CONFIG_KM_ARM_H */
286