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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 | /* Reserve 4 MB for malloc */ | |
36 | #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) | |
37 | ||
38 | #include "asm/arch/config.h" | |
39 | ||
40 | #define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */ | |
41 | ||
42 | /* architecture specific default bootargs */ | |
43 | #define CONFIG_KM_DEF_BOOT_ARGS_CPU \ | |
44 | "bootcountaddr=${bootcountaddr} ${mtdparts}" \ | |
45 | " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}" | |
46 | ||
47 | #define CONFIG_KM_DEF_ENV_CPU \ | |
48 | "u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0" \ | |
49 | CONFIG_KM_UPDATE_UBOOT \ | |
50 | "set_fdthigh=setenv fdt_high ${kernelmem}\0" \ | |
51 | "checkfdt=" \ | |
52 | "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \ | |
53 | "then true; else setenv cramfsloadfdt true; " \ | |
54 | "setenv boot bootm ${load_addr_r}; " \ | |
55 | "echo No FDT found, booting with the kernel " \ | |
56 | "appended one; fi\0" \ | |
57 | "" | |
58 | ||
59 | #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ | |
60 | ||
61 | /* | |
62 | * For booting Linux, the board info and command line data | |
63 | * have to be in the first 8 MB of memory, since this is | |
64 | * the maximum mapped by the Linux kernel during initialization. | |
65 | */ | |
66 | #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ | |
67 | #define CONFIG_INITRD_TAG /* enable INITRD tag */ | |
68 | #define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */ | |
69 | ||
70 | /* | |
71 | * NAND Flash configuration | |
72 | */ | |
73 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 | |
74 | ||
75 | /* | |
76 | * Other required minimal configurations | |
77 | */ | |
78 | ||
79 | /* | |
80 | * Ethernet Driver configuration | |
81 | */ | |
82 | #define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer autoneg timeout */ | |
83 | #define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */ | |
84 | #define CONFIG_PHY_BASE_ADR 0 | |
85 | ||
86 | /* | |
87 | * I2C related stuff | |
88 | */ | |
89 | #undef CONFIG_I2C_MVTWSI | |
90 | #define CONFIG_SYS_I2C | |
91 | #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ | |
92 | #define CONFIG_SYS_I2C_INIT_BOARD | |
93 | ||
94 | #define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */ | |
95 | #define CONFIG_SYS_NUM_I2C_BUSES 6 | |
96 | #define CONFIG_SYS_I2C_MAX_HOPS 1 | |
97 | #define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \ | |
98 | {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \ | |
99 | {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \ | |
100 | {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \ | |
101 | {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \ | |
102 | {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \ | |
103 | } | |
104 | ||
105 | #ifndef __ASSEMBLY__ | |
106 | #include <asm/arch/gpio.h> | |
107 | #include <linux/stringify.h> | |
108 | extern void __set_direction(unsigned pin, int high); | |
109 | void set_sda(int state); | |
110 | void set_scl(int state); | |
111 | int get_sda(void); | |
112 | int get_scl(void); | |
113 | #define KM_KIRKWOOD_SDA_PIN 8 | |
114 | #define KM_KIRKWOOD_SCL_PIN 9 | |
115 | #define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300 | |
116 | #define KM_KIRKWOOD_ENV_WP 38 | |
117 | ||
118 | #define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0) | |
119 | #define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1) | |
120 | #define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0) | |
121 | #define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit) | |
122 | #define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit) | |
123 | #endif | |
124 | ||
125 | #define I2C_DELAY udelay(1) | |
126 | #define I2C_SOFT_DECLARATIONS | |
127 | ||
128 | #define CONFIG_SYS_I2C_SOFT_SLAVE 0x0 | |
129 | #define CONFIG_SYS_I2C_SOFT_SPEED 100000 | |
130 | ||
131 | /* EEprom support 24C128, 24C256 valid for environment eeprom */ | |
132 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE | |
133 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */ | |
134 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 | |
135 | ||
136 | #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 | |
137 | #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 | |
138 | ||
139 | /* | |
140 | * Environment variables configurations | |
141 | */ | |
142 | #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR | |
143 | #define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */ | |
144 | #else | |
145 | #define CONFIG_SYS_DEF_EEPROM_ADDR 0x50 | |
146 | #define CONFIG_ENV_EEPROM_IS_ON_I2C | |
147 | #define CONFIG_SYS_EEPROM_WREN | |
148 | #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */ | |
149 | #endif | |
150 | ||
151 | #define KM_FLASH_GPIO_PIN 16 | |
152 | ||
153 | #define CONFIG_KM_UPDATE_UBOOT \ | |
154 | "update=" \ | |
155 | "sf probe 0;sf erase 0 +${filesize};" \ | |
156 | "sf write ${load_addr_r} 0 ${filesize};\0" | |
157 | ||
158 | #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR | |
159 | #define CONFIG_KM_NEW_ENV \ | |
160 | "newenv=sf probe 0;" \ | |
161 | "sf erase " __stringify(CONFIG_ENV_OFFSET) " " \ | |
162 | __stringify(CONFIG_ENV_TOTAL_SIZE)"\0" | |
163 | #else | |
164 | #define CONFIG_KM_NEW_ENV \ | |
165 | "newenv=setenv addr 0x100000 && " \ | |
166 | "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \ | |
167 | "mw.b ${addr} 0 4 && " \ | |
168 | "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \ | |
169 | " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \ | |
170 | "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \ | |
171 | " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0" | |
172 | #endif | |
173 | ||
174 | #ifndef CONFIG_KM_BOARD_EXTRA_ENV | |
175 | #define CONFIG_KM_BOARD_EXTRA_ENV "" | |
176 | #endif | |
177 | ||
178 | /* | |
179 | * Default environment variables | |
180 | */ | |
181 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
182 | CONFIG_KM_BOARD_EXTRA_ENV \ | |
183 | CONFIG_KM_DEF_ENV \ | |
184 | CONFIG_KM_NEW_ENV \ | |
185 | "arch=arm\0" \ | |
186 | "" | |
187 | ||
188 | /* additions for new relocation code, must be added to all boards */ | |
189 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 | |
190 | ||
191 | /* address for the bootcount (taken from end of RAM) */ | |
192 | #define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM) | |
193 | ||
194 | /* enable POST tests */ | |
195 | #define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS) | |
196 | #define CONFIG_POST_SKIP_ENV_FLAGS | |
197 | #define CONFIG_POST_EXTERNAL_WORD_FUNCS | |
198 | ||
199 | #endif /* _CONFIG_KM_ARM_H */ |