xref: /openbmc/u-boot/include/configs/km/km_arm.h (revision d0826507)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2009
4  * Marvell Semiconductor <www.marvell.com>
5  * Prafulla Wadaskar <prafulla@marvell.com>
6  *
7  * (C) Copyright 2009
8  * Stefan Roese, DENX Software Engineering, sr@denx.de.
9  *
10  * (C) Copyright 2010-2011
11  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
12  */
13 
14 /*
15  * for linking errors see
16  * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
17  */
18 
19 #ifndef _CONFIG_KM_ARM_H
20 #define _CONFIG_KM_ARM_H
21 
22 /*
23  * High Level Configuration Options (easy to change)
24  */
25 #define CONFIG_FEROCEON_88FR131		/* CPU Core subversion */
26 #define CONFIG_KW88F6281		/* SOC Name */
27 
28 #define CONFIG_MACH_TYPE	MACH_TYPE_KM_KIRKWOOD
29 
30 #define CONFIG_NAND_ECC_BCH
31 
32 /* include common defines/options for all Keymile boards */
33 #include "keymile-common.h"
34 
35 /* SPI NOR Flash default params, used by sf commands */
36 
37 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
38 #endif
39 
40 /* Reserve 4 MB for malloc */
41 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
42 
43 #include "asm/arch/config.h"
44 
45 #define CONFIG_SYS_MEMTEST_START 0x00400000	/* 4M */
46 #define CONFIG_SYS_MEMTEST_END	0x007fffff	/*(_8M -1) */
47 #define CONFIG_SYS_LOAD_ADDR	0x00800000	/* default load adr- 8M */
48 
49 /* pseudo-non volatile RAM [hex] */
50 #define CONFIG_KM_PNVRAM	0x80000
51 /* physical RAM MTD size [hex] */
52 #define CONFIG_KM_PHRAM		0x17F000
53 
54 #define CONFIG_KM_CRAMFS_ADDR	0x2400000
55 #define CONFIG_KM_KERNEL_ADDR	0x2000000	/* 3098KBytes */
56 #define CONFIG_KM_FDT_ADDR	0x23E0000	/*  128KBytes */
57 
58 /* architecture specific default bootargs */
59 #define CONFIG_KM_DEF_BOOT_ARGS_CPU					\
60 		"bootcountaddr=${bootcountaddr} ${mtdparts}"		\
61 		" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
62 
63 #define CONFIG_KM_DEF_ENV_CPU						\
64 	"u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0"		\
65 	CONFIG_KM_UPDATE_UBOOT						\
66 	"set_fdthigh=setenv fdt_high ${kernelmem}\0"			\
67 	"checkfdt="							\
68 		"if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; "	\
69 		"then true; else setenv cramfsloadfdt true; "		\
70 		"setenv boot bootm ${load_addr_r}; "			\
71 		"echo No FDT found, booting with the kernel "		\
72 		"appended one; fi\0"					\
73 	""
74 
75 #define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
76 
77 /*
78  * NS16550 Configuration
79  */
80 #define CONFIG_SYS_NS16550_SERIAL
81 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
82 #define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_TCLK
83 #define CONFIG_SYS_NS16550_COM1		KW_UART0_BASE
84 #define CONFIG_SYS_NS16550_COM2		KW_UART1_BASE
85 
86 /*
87  * Serial Port configuration
88  * The following definitions let you select what serial you want to use
89  * for your console driver.
90  */
91 
92 /*
93  * For booting Linux, the board info and command line data
94  * have to be in the first 8 MB of memory, since this is
95  * the maximum mapped by the Linux kernel during initialization.
96  */
97 #define CONFIG_BOOTMAPSZ	(8 << 20)	/* Initial Memmap for Linux */
98 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
99 #define CONFIG_INITRD_TAG		/* enable INITRD tag */
100 #define CONFIG_SETUP_MEMORY_TAGS	/* enable memory tag */
101 
102 /*
103  * NAND Flash configuration
104  */
105 #define CONFIG_SYS_MAX_NAND_DEVICE	1
106 
107 #define BOOTFLASH_START		0x0
108 
109 /* Kirkwood has two serial IF */
110 #if (CONFIG_CONS_INDEX == 2)
111 #define CONFIG_KM_CONSOLE_TTY	"ttyS1"
112 #else
113 #define CONFIG_KM_CONSOLE_TTY	"ttyS0"
114 #endif
115 
116 /*
117  * Other required minimal configurations
118  */
119 #define CONFIG_ARCH_CPU_INIT		/* call arch_cpu_init() */
120 #define CONFIG_SYS_RESET_ADDRESS 0xffff0000	/* Rst Vector Adr */
121 
122 /*
123  * Ethernet Driver configuration
124  */
125 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
126 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
127 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
128 #define CONFIG_PHY_BASE_ADR	0
129 #define CONFIG_ENV_OVERWRITE	/* ethaddr can be reprogrammed */
130 #define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */
131 
132 /*
133  * I2C related stuff
134  */
135 #undef CONFIG_I2C_MVTWSI
136 #define CONFIG_SYS_I2C
137 #define	CONFIG_SYS_I2C_SOFT	/* I2C bit-banged	*/
138 #define CONFIG_SYS_I2C_INIT_BOARD
139 
140 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
141 #define CONFIG_SYS_NUM_I2C_BUSES	6
142 #define CONFIG_SYS_I2C_MAX_HOPS		1
143 #define CONFIG_SYS_I2C_BUSES	{	{0, {I2C_NULL_HOP} }, \
144 					{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
145 					{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
146 					{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
147 					{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
148 					{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
149 				}
150 
151 #ifndef __ASSEMBLY__
152 #include <asm/arch/gpio.h>
153 extern void __set_direction(unsigned pin, int high);
154 void set_sda(int state);
155 void set_scl(int state);
156 int get_sda(void);
157 int get_scl(void);
158 #define KM_KIRKWOOD_SDA_PIN	8
159 #define KM_KIRKWOOD_SCL_PIN	9
160 #define KM_KIRKWOOD_SOFT_I2C_GPIOS	0x0300
161 #define KM_KIRKWOOD_ENV_WP	38
162 
163 #define I2C_ACTIVE	__set_direction(KM_KIRKWOOD_SDA_PIN, 0)
164 #define I2C_TRISTATE	__set_direction(KM_KIRKWOOD_SDA_PIN, 1)
165 #define I2C_READ	(kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
166 #define I2C_SDA(bit)	kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
167 #define I2C_SCL(bit)	kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
168 #endif
169 
170 #define I2C_DELAY	udelay(1)
171 #define I2C_SOFT_DECLARATIONS
172 
173 #define	CONFIG_SYS_I2C_SOFT_SLAVE	0x0
174 #define	CONFIG_SYS_I2C_SOFT_SPEED	100000
175 
176 /* EEprom support 24C128, 24C256 valid for environment eeprom */
177 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
178 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6 /* 64 Byte write page */
179 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
180 
181 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
182 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
183 
184 /*
185  *  Environment variables configurations
186  */
187 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
188 #define CONFIG_ENV_OFFSET		0xc0000     /* no bracets! */
189 #define CONFIG_ENV_SIZE			0x02000     /* Size of Environment */
190 #define CONFIG_ENV_SECT_SIZE		0x10000
191 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
192 					CONFIG_ENV_SECT_SIZE)
193 #define CONFIG_ENV_TOTAL_SIZE		0x20000     /* no bracets! */
194 #else
195 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
196 #define CONFIG_ENV_EEPROM_IS_ON_I2C
197 #define CONFIG_SYS_EEPROM_WREN
198 #define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
199 #define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
200 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
201 #define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
202 #define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
203 #endif
204 
205 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
206 
207 
208 /* SPI bus claim MPP configuration */
209 #define CONFIG_SYS_KW_SPI_MPP	0x0
210 
211 #define FLASH_GPIO_PIN			0x00010000
212 #define KM_FLASH_GPIO_PIN	16
213 
214 #define	CONFIG_KM_UPDATE_UBOOT						\
215 	"update="							\
216 		"sf probe 0;sf erase 0 +${filesize};"			\
217 		"sf write ${load_addr_r} 0 ${filesize};\0"
218 
219 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
220 #define CONFIG_KM_NEW_ENV						\
221 	"newenv=sf probe 0;"						\
222 		"sf erase " __stringify(CONFIG_ENV_OFFSET) " "		\
223 		__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
224 #else
225 #define CONFIG_KM_NEW_ENV						\
226 	"newenv=setenv addr 0x100000 && "				\
227 		"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
228 		"mw.b ${addr} 0 4 && "					\
229 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
230 		" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "	\
231 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
232 		" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
233 #endif
234 
235 #ifndef CONFIG_KM_BOARD_EXTRA_ENV
236 #define CONFIG_KM_BOARD_EXTRA_ENV       ""
237 #endif
238 
239 /*
240  * Default environment variables
241  */
242 #define CONFIG_EXTRA_ENV_SETTINGS					\
243 	CONFIG_KM_BOARD_EXTRA_ENV					\
244 	CONFIG_KM_DEF_ENV						\
245 	CONFIG_KM_NEW_ENV						\
246 	"arch=arm\0"							\
247 	""
248 
249 #if !defined(CONFIG_MTD_NOR_FLASH)
250 #undef	CONFIG_JFFS2_CMDLINE
251 #endif
252 
253 /* additions for new relocation code, must be added to all boards */
254 #define CONFIG_SYS_SDRAM_BASE		0x00000000
255 /* Do early setups now in board_init_f() */
256 
257 /*
258  * resereved pram area at the end of memroy [hex]
259  * 8Mbytes for switch + 4Kbytes for bootcount
260  */
261 #define CONFIG_KM_RESERVED_PRAM 0x801000
262 /* address for the bootcount (taken from end of RAM) */
263 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
264 
265 /* enable POST tests */
266 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)
267 #define CONFIG_POST_SKIP_ENV_FLAGS
268 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
269 
270 /* we do the whole PCIe FPGA config stuff here */
271 
272 #endif /* _CONFIG_KM_ARM_H */
273