xref: /openbmc/u-boot/include/configs/km/km_arm.h (revision 6931ab2f)
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_TEXT_BASE	0x07d00000	/* code address before reloc */
54 #define CONFIG_SYS_MEMTEST_START 0x00400000	/* 4M */
55 #define CONFIG_SYS_MEMTEST_END	0x007fffff	/*(_8M -1) */
56 #define CONFIG_SYS_LOAD_ADDR	0x00800000	/* default load adr- 8M */
57 
58 /* pseudo-non volatile RAM [hex] */
59 #define CONFIG_KM_PNVRAM	0x80000
60 /* physical RAM MTD size [hex] */
61 #define CONFIG_KM_PHRAM		0x17F000
62 
63 #define CONFIG_KM_CRAMFS_ADDR	0x2400000
64 #define CONFIG_KM_KERNEL_ADDR	0x2000000	/* 3098KBytes */
65 #define CONFIG_KM_FDT_ADDR	0x23E0000	/*  128KBytes */
66 
67 /* architecture specific default bootargs */
68 #define CONFIG_KM_DEF_BOOT_ARGS_CPU					\
69 		"bootcountaddr=${bootcountaddr} ${mtdparts}"		\
70 		" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
71 
72 #define CONFIG_KM_DEF_ENV_CPU						\
73 	"u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.kwb\0"		\
74 	CONFIG_KM_UPDATE_UBOOT						\
75 	"set_fdthigh=setenv fdt_high ${kernelmem}\0"			\
76 	"checkfdt="							\
77 		"if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; "	\
78 		"then true; else setenv cramfsloadfdt true; "		\
79 		"setenv boot bootm ${load_addr_r}; "			\
80 		"echo No FDT found, booting with the kernel "		\
81 		"appended one; fi\0"					\
82 	""
83 
84 #define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
85 #define CONFIG_MISC_INIT_R
86 
87 /*
88  * NS16550 Configuration
89  */
90 #define CONFIG_SYS_NS16550_SERIAL
91 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
92 #define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_TCLK
93 #define CONFIG_SYS_NS16550_COM1		KW_UART0_BASE
94 #define CONFIG_SYS_NS16550_COM2		KW_UART1_BASE
95 
96 /*
97  * Serial Port configuration
98  * The following definitions let you select what serial you want to use
99  * for your console driver.
100  */
101 
102 #define CONFIG_CONS_INDEX	1	/* Console on UART0 */
103 
104 /*
105  * For booting Linux, the board info and command line data
106  * have to be in the first 8 MB of memory, since this is
107  * the maximum mapped by the Linux kernel during initialization.
108  */
109 #define CONFIG_BOOTMAPSZ	(8 << 20)	/* Initial Memmap for Linux */
110 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
111 #define CONFIG_INITRD_TAG		/* enable INITRD tag */
112 #define CONFIG_SETUP_MEMORY_TAGS	/* enable memory tag */
113 
114 /*
115  * NAND Flash configuration
116  */
117 #define CONFIG_SYS_MAX_NAND_DEVICE	1
118 
119 #define BOOTFLASH_START		0x0
120 
121 /* Kirkwood has two serial IF */
122 #if (CONFIG_CONS_INDEX == 2)
123 #define CONFIG_KM_CONSOLE_TTY	"ttyS1"
124 #else
125 #define CONFIG_KM_CONSOLE_TTY	"ttyS0"
126 #endif
127 
128 /*
129  * Other required minimal configurations
130  */
131 #define CONFIG_ARCH_CPU_INIT		/* call arch_cpu_init() */
132 #define CONFIG_NR_DRAM_BANKS	4
133 #define CONFIG_SYS_RESET_ADDRESS 0xffff0000	/* Rst Vector Adr */
134 
135 /*
136  * Ethernet Driver configuration
137  */
138 #define CONFIG_NETCONSOLE	/* include NetConsole support   */
139 #define CONFIG_MII		/* expose smi ove miiphy interface */
140 #define CONFIG_MVGBE		/* Enable Marvell Gbe Controller Driver */
141 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	/* detect link using phy */
142 #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
143 #define CONFIG_PHY_BASE_ADR	0
144 #define CONFIG_ENV_OVERWRITE	/* ethaddr can be reprogrammed */
145 #define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */
146 
147 /*
148  * I2C related stuff
149  */
150 #undef CONFIG_I2C_MVTWSI
151 #define CONFIG_SYS_I2C
152 #define	CONFIG_SYS_I2C_SOFT	/* I2C bit-banged	*/
153 #define CONFIG_SYS_I2C_INIT_BOARD
154 
155 #define	CONFIG_KIRKWOOD_GPIO		/* Enable GPIO Support */
156 #define CONFIG_SYS_NUM_I2C_BUSES	6
157 #define CONFIG_SYS_I2C_MAX_HOPS		1
158 #define CONFIG_SYS_I2C_BUSES	{	{0, {I2C_NULL_HOP} }, \
159 					{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
160 					{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
161 					{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
162 					{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
163 					{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
164 				}
165 
166 #ifndef __ASSEMBLY__
167 #include <asm/arch/gpio.h>
168 extern void __set_direction(unsigned pin, int high);
169 void set_sda(int state);
170 void set_scl(int state);
171 int get_sda(void);
172 int get_scl(void);
173 #define KM_KIRKWOOD_SDA_PIN	8
174 #define KM_KIRKWOOD_SCL_PIN	9
175 #define KM_KIRKWOOD_SOFT_I2C_GPIOS	0x0300
176 #define KM_KIRKWOOD_ENV_WP	38
177 
178 #define I2C_ACTIVE	__set_direction(KM_KIRKWOOD_SDA_PIN, 0)
179 #define I2C_TRISTATE	__set_direction(KM_KIRKWOOD_SDA_PIN, 1)
180 #define I2C_READ	(kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
181 #define I2C_SDA(bit)	kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
182 #define I2C_SCL(bit)	kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
183 #endif
184 
185 #define I2C_DELAY	udelay(1)
186 #define I2C_SOFT_DECLARATIONS
187 
188 #define	CONFIG_SYS_I2C_SOFT_SLAVE	0x0
189 #define	CONFIG_SYS_I2C_SOFT_SPEED	100000
190 
191 /* EEprom support 24C128, 24C256 valid for environment eeprom */
192 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
193 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6 /* 64 Byte write page */
194 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
195 
196 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
197 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
198 
199 /*
200  *  Environment variables configurations
201  */
202 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
203 #define CONFIG_ENV_OFFSET		0xc0000     /* no bracets! */
204 #define CONFIG_ENV_SIZE			0x02000     /* Size of Environment */
205 #define CONFIG_ENV_SECT_SIZE		0x10000
206 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
207 					CONFIG_ENV_SECT_SIZE)
208 #define CONFIG_ENV_TOTAL_SIZE		0x20000     /* no bracets! */
209 #else
210 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
211 #define CONFIG_ENV_EEPROM_IS_ON_I2C
212 #define CONFIG_SYS_EEPROM_WREN
213 #define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
214 #define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
215 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
216 #define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
217 #define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
218 #endif
219 
220 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
221 
222 
223 /* SPI bus claim MPP configuration */
224 #define CONFIG_SYS_KW_SPI_MPP	0x0
225 
226 #define FLASH_GPIO_PIN			0x00010000
227 #define KM_FLASH_GPIO_PIN	16
228 
229 #define	CONFIG_KM_UPDATE_UBOOT						\
230 	"update="							\
231 		"sf probe 0;sf erase 0 +${filesize};"			\
232 		"sf write ${load_addr_r} 0 ${filesize};\0"
233 
234 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
235 #define CONFIG_KM_NEW_ENV						\
236 	"newenv=sf probe 0;"						\
237 		"sf erase " __stringify(CONFIG_ENV_OFFSET) " "		\
238 		__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
239 #else
240 #define CONFIG_KM_NEW_ENV						\
241 	"newenv=setenv addr 0x100000 && "				\
242 		"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; "  \
243 		"mw.b ${addr} 0 4 && "					\
244 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
245 		" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && "	\
246 		"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR)	\
247 		" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
248 #endif
249 
250 #ifndef CONFIG_KM_BOARD_EXTRA_ENV
251 #define CONFIG_KM_BOARD_EXTRA_ENV       ""
252 #endif
253 
254 /*
255  * Default environment variables
256  */
257 #define CONFIG_EXTRA_ENV_SETTINGS					\
258 	CONFIG_KM_BOARD_EXTRA_ENV					\
259 	CONFIG_KM_DEF_ENV						\
260 	CONFIG_KM_NEW_ENV						\
261 	"arch=arm\0"							\
262 	""
263 
264 #if !defined(CONFIG_MTD_NOR_FLASH)
265 #undef	CONFIG_FLASH_CFI_MTD
266 #undef	CONFIG_JFFS2_CMDLINE
267 #endif
268 
269 /* additions for new relocation code, must be added to all boards */
270 #define CONFIG_SYS_SDRAM_BASE		0x00000000
271 /* Do early setups now in board_init_f() */
272 
273 /*
274  * resereved pram area at the end of memroy [hex]
275  * 8Mbytes for switch + 4Kbytes for bootcount
276  */
277 #define CONFIG_KM_RESERVED_PRAM 0x801000
278 /* address for the bootcount (taken from end of RAM) */
279 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
280 /* Use generic bootcount RAM driver */
281 #define CONFIG_BOOTCOUNT_RAM
282 
283 /* enable POST tests */
284 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)
285 #define CONFIG_POST_SKIP_ENV_FLAGS
286 #define CONFIG_POST_EXTERNAL_WORD_FUNCS
287 
288 /* we do the whole PCIe FPGA config stuff here */
289 
290 #endif /* _CONFIG_KM_ARM_H */
291