xref: /openbmc/u-boot/include/configs/km/km_arm.h (revision fd0bc623)
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 /* Reserve 4 MB for malloc */
38 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
39 
40 #include "asm/arch/config.h"
41 
42 #define CONFIG_SYS_MEMTEST_START 0x00400000	/* 4M */
43 #define CONFIG_SYS_MEMTEST_END	0x007fffff	/*(_8M -1) */
44 #define CONFIG_SYS_LOAD_ADDR	0x00800000	/* default load adr- 8M */
45 
46 /* pseudo-non volatile RAM [hex] */
47 #define CONFIG_KM_PNVRAM	0x80000
48 /* physical RAM MTD size [hex] */
49 #define CONFIG_KM_PHRAM		0x17F000
50 
51 #define CONFIG_KM_CRAMFS_ADDR	0x2400000
52 #define CONFIG_KM_KERNEL_ADDR	0x2000000	/* 3098KBytes */
53 #define CONFIG_KM_FDT_ADDR	0x23E0000	/*  128KBytes */
54 
55 /* architecture specific default bootargs */
56 #define CONFIG_KM_DEF_BOOT_ARGS_CPU					\
57 		"bootcountaddr=${bootcountaddr} ${mtdparts}"		\
58 		" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
59 
60 #define CONFIG_KM_DEF_ENV_CPU						\
61 	"u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0"		\
62 	CONFIG_KM_UPDATE_UBOOT						\
63 	"set_fdthigh=setenv fdt_high ${kernelmem}\0"			\
64 	"checkfdt="							\
65 		"if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; "	\
66 		"then true; else setenv cramfsloadfdt true; "		\
67 		"setenv boot bootm ${load_addr_r}; "			\
68 		"echo No FDT found, booting with the kernel "		\
69 		"appended one; fi\0"					\
70 	""
71 
72 #define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
73 
74 /*
75  * NS16550 Configuration
76  */
77 #define CONFIG_SYS_NS16550_SERIAL
78 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
79 #define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_TCLK
80 #define CONFIG_SYS_NS16550_COM1		KW_UART0_BASE
81 #define CONFIG_SYS_NS16550_COM2		KW_UART1_BASE
82 
83 /*
84  * Serial Port configuration
85  * The following definitions let you select what serial you want to use
86  * for your console driver.
87  */
88 
89 /*
90  * For booting Linux, the board info and command line data
91  * have to be in the first 8 MB of memory, since this is
92  * the maximum mapped by the Linux kernel during initialization.
93  */
94 #define CONFIG_BOOTMAPSZ	(8 << 20)	/* Initial Memmap for Linux */
95 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
96 #define CONFIG_INITRD_TAG		/* enable INITRD tag */
97 #define CONFIG_SETUP_MEMORY_TAGS	/* enable memory tag */
98 
99 /*
100  * NAND Flash configuration
101  */
102 #define CONFIG_SYS_MAX_NAND_DEVICE	1
103 
104 #define BOOTFLASH_START		0x0
105 
106 /* Kirkwood has two serial IF */
107 #if (CONFIG_CONS_INDEX == 2)
108 #define CONFIG_KM_CONSOLE_TTY	"ttyS1"
109 #else
110 #define CONFIG_KM_CONSOLE_TTY	"ttyS0"
111 #endif
112 
113 /*
114  * Other required minimal configurations
115  */
116 #define CONFIG_ARCH_CPU_INIT		/* call arch_cpu_init() */
117 #define CONFIG_SYS_RESET_ADDRESS 0xffff0000	/* Rst Vector Adr */
118 
119 /*
120  * Ethernet Driver configuration
121  */
122 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
123 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
124 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
125 #define CONFIG_PHY_BASE_ADR	0
126 #define CONFIG_ENV_OVERWRITE	/* ethaddr can be reprogrammed */
127 #define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */
128 
129 /*
130  * I2C related stuff
131  */
132 #undef CONFIG_I2C_MVTWSI
133 #define CONFIG_SYS_I2C
134 #define	CONFIG_SYS_I2C_SOFT	/* I2C bit-banged	*/
135 #define CONFIG_SYS_I2C_INIT_BOARD
136 
137 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
138 #define CONFIG_SYS_NUM_I2C_BUSES	6
139 #define CONFIG_SYS_I2C_MAX_HOPS		1
140 #define CONFIG_SYS_I2C_BUSES	{	{0, {I2C_NULL_HOP} }, \
141 					{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
142 					{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
143 					{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
144 					{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
145 					{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
146 				}
147 
148 #ifndef __ASSEMBLY__
149 #include <asm/arch/gpio.h>
150 extern void __set_direction(unsigned pin, int high);
151 void set_sda(int state);
152 void set_scl(int state);
153 int get_sda(void);
154 int get_scl(void);
155 #define KM_KIRKWOOD_SDA_PIN	8
156 #define KM_KIRKWOOD_SCL_PIN	9
157 #define KM_KIRKWOOD_SOFT_I2C_GPIOS	0x0300
158 #define KM_KIRKWOOD_ENV_WP	38
159 
160 #define I2C_ACTIVE	__set_direction(KM_KIRKWOOD_SDA_PIN, 0)
161 #define I2C_TRISTATE	__set_direction(KM_KIRKWOOD_SDA_PIN, 1)
162 #define I2C_READ	(kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
163 #define I2C_SDA(bit)	kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
164 #define I2C_SCL(bit)	kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
165 #endif
166 
167 #define I2C_DELAY	udelay(1)
168 #define I2C_SOFT_DECLARATIONS
169 
170 #define	CONFIG_SYS_I2C_SOFT_SLAVE	0x0
171 #define	CONFIG_SYS_I2C_SOFT_SPEED	100000
172 
173 /* EEprom support 24C128, 24C256 valid for environment eeprom */
174 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
175 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6 /* 64 Byte write page */
176 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
177 
178 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
179 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
180 
181 /*
182  *  Environment variables configurations
183  */
184 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
185 #define CONFIG_ENV_OFFSET		0xc0000     /* no bracets! */
186 #define CONFIG_ENV_SIZE			0x02000     /* Size of Environment */
187 #define CONFIG_ENV_SECT_SIZE		0x10000
188 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
189 					CONFIG_ENV_SECT_SIZE)
190 #define CONFIG_ENV_TOTAL_SIZE		0x20000     /* no bracets! */
191 #else
192 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
193 #define CONFIG_ENV_EEPROM_IS_ON_I2C
194 #define CONFIG_SYS_EEPROM_WREN
195 #define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
196 #define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
197 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
198 #define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
199 #define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
200 #endif
201 
202 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
203 
204 
205 /* SPI bus claim MPP configuration */
206 #define CONFIG_SYS_KW_SPI_MPP	0x0
207 
208 #define FLASH_GPIO_PIN			0x00010000
209 #define KM_FLASH_GPIO_PIN	16
210 
211 #define	CONFIG_KM_UPDATE_UBOOT						\
212 	"update="							\
213 		"sf probe 0;sf erase 0 +${filesize};"			\
214 		"sf write ${load_addr_r} 0 ${filesize};\0"
215 
216 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
217 #define CONFIG_KM_NEW_ENV						\
218 	"newenv=sf probe 0;"						\
219 		"sf erase " __stringify(CONFIG_ENV_OFFSET) " "		\
220 		__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
221 #else
222 #define CONFIG_KM_NEW_ENV						\
223 	"newenv=setenv addr 0x100000 && "				\
224 		"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
225 		"mw.b ${addr} 0 4 && "					\
226 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
227 		" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "	\
228 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
229 		" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
230 #endif
231 
232 #ifndef CONFIG_KM_BOARD_EXTRA_ENV
233 #define CONFIG_KM_BOARD_EXTRA_ENV       ""
234 #endif
235 
236 /*
237  * Default environment variables
238  */
239 #define CONFIG_EXTRA_ENV_SETTINGS					\
240 	CONFIG_KM_BOARD_EXTRA_ENV					\
241 	CONFIG_KM_DEF_ENV						\
242 	CONFIG_KM_NEW_ENV						\
243 	"arch=arm\0"							\
244 	""
245 
246 #if !defined(CONFIG_MTD_NOR_FLASH)
247 #undef	CONFIG_JFFS2_CMDLINE
248 #endif
249 
250 /* additions for new relocation code, must be added to all boards */
251 #define CONFIG_SYS_SDRAM_BASE		0x00000000
252 /* Do early setups now in board_init_f() */
253 
254 /*
255  * resereved pram area at the end of memroy [hex]
256  * 8Mbytes for switch + 4Kbytes for bootcount
257  */
258 #define CONFIG_KM_RESERVED_PRAM 0x801000
259 /* address for the bootcount (taken from end of RAM) */
260 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
261 
262 /* enable POST tests */
263 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)
264 #define CONFIG_POST_SKIP_ENV_FLAGS
265 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
266 
267 /* we do the whole PCIe FPGA config stuff here */
268 
269 #endif /* _CONFIG_KM_ARM_H */
270