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cb82a532 | 1 | /* |
99fa97e9 AB |
2 | * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com> |
3 | * | |
4 | * based on previous work by | |
5 | * | |
cb82a532 US |
6 | * Ulf Samuelsson <ulf@atmel.com> |
7 | * Rick Bronson <rick@efn.org> | |
8 | * | |
9 | * Configuration settings for the AT91RM9200EK board. | |
10 | * | |
1a459660 | 11 | * SPDX-License-Identifier: GPL-2.0+ |
cb82a532 US |
12 | */ |
13 | ||
99fa97e9 AB |
14 | #ifndef __AT91RM9200EK_CONFIG_H__ |
15 | #define __AT91RM9200EK_CONFIG_H__ | |
cb82a532 | 16 | |
1ace4022 | 17 | #include <linux/sizes.h> |
425de62d | 18 | |
3a4ff8b3 AB |
19 | /* |
20 | * set some initial configurations depending on configure target | |
21 | * | |
22 | * at91rm9200ek_config -> boot from 0x0 in NOR Flash at CS0 | |
23 | * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel | |
24 | * initialisation was done by some preloader | |
25 | */ | |
26 | #ifdef CONFIG_RAMBOOT | |
27 | #define CONFIG_SKIP_LOWLEVEL_INIT | |
3a4ff8b3 AB |
28 | #endif |
29 | ||
cb82a532 | 30 | /* |
99fa97e9 AB |
31 | * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz |
32 | * AT91C_MAIN_CLOCK is the frequency of PLLA output | |
33 | * AT91C_MASTER_CLOCK is the peripherial clock | |
34 | * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely | |
35 | * set in arch/arm/cpu/arm920t/at91/timer.c) | |
36 | * CONFIG_SYS_HZ is the tick rate for timer tc0 | |
cb82a532 | 37 | */ |
99fa97e9 | 38 | #define AT91C_XTAL_CLOCK 18432000 |
6a372e94 | 39 | #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 |
99fa97e9 AB |
40 | #define AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39) |
41 | #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3 ) | |
42 | #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) | |
cb82a532 | 43 | |
99fa97e9 | 44 | /* CPU configuration */ |
99fa97e9 AB |
45 | #define CONFIG_AT91RM9200 |
46 | #define CONFIG_AT91RM9200EK | |
47 | #define CONFIG_CPUAT91 | |
48 | #define USE_920T_MMU | |
cb82a532 | 49 | |
6a372e94 AB |
50 | #include <asm/hardware.h> /* needed for port definitions */ |
51 | ||
99fa97e9 AB |
52 | #define CONFIG_CMDLINE_TAG |
53 | #define CONFIG_SETUP_MEMORY_TAGS | |
54 | #define CONFIG_INITRD_TAG | |
55 | ||
56 | /* | |
57 | * Memory Configuration | |
58 | */ | |
59 | #define CONFIG_NR_DRAM_BANKS 1 | |
60 | #define CONFIG_SYS_SDRAM_BASE 0x20000000 | |
61 | #define CONFIG_SYS_SDRAM_SIZE SZ_32M | |
cb82a532 | 62 | |
99fa97e9 AB |
63 | #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE |
64 | #define CONFIG_SYS_MEMTEST_END \ | |
65 | (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K) | |
cb82a532 US |
66 | |
67 | /* | |
68 | * LowLevel Init | |
69 | */ | |
70 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT | |
99fa97e9 | 71 | #define CONFIG_SYS_USE_MAIN_OSCILLATOR |
cb82a532 | 72 | /* flash */ |
cb82a532 US |
73 | #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 |
74 | #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ | |
75 | ||
76 | /* clocks */ | |
77 | #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ | |
78 | #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ | |
79 | /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ | |
80 | #define CONFIG_SYS_MCKR_VAL 0x00000202 | |
81 | ||
82 | /* sdram */ | |
83 | #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ | |
84 | #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 | |
85 | #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 | |
86 | #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ | |
87 | #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ | |
99fa97e9 | 88 | #define CONFIG_SYS_SDRAM CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */ |
066df1a5 | 89 | #define CONFIG_SYS_SDRAM1 (CONFIG_SYS_SDRAM_BASE+0x80) |
cb82a532 US |
90 | #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ |
91 | #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ | |
92 | #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ | |
93 | #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ | |
94 | #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ | |
95 | #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ | |
cb82a532 US |
96 | #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ |
97 | ||
cb82a532 US |
98 | /* |
99 | * Hardware drivers | |
100 | */ | |
cb82a532 | 101 | /* |
99fa97e9 AB |
102 | * Choose a USART for serial console |
103 | * CONFIG_DBGU is DBGU unit on J10 | |
104 | * CONFIG_USART1 is USART1 on J14 | |
cb82a532 | 105 | */ |
3432a93b AB |
106 | #define CONFIG_ATMEL_USART |
107 | #define CONFIG_USART_BASE ATMEL_BASE_DBGU | |
108 | #define CONFIG_USART_ID 0/* ignored in arm */ | |
cb82a532 | 109 | |
cb82a532 US |
110 | /* |
111 | * Command line configuration. | |
112 | */ | |
cb82a532 US |
113 | |
114 | /* | |
115 | * Network Driver Setting | |
116 | */ | |
99fa97e9 AB |
117 | #define CONFIG_DRIVER_AT91EMAC |
118 | #define CONFIG_SYS_RX_ETH_BUFFER 16 | |
119 | #define CONFIG_RMII | |
120 | #define CONFIG_MII | |
cb82a532 US |
121 | |
122 | /* | |
123 | * NOR Flash | |
124 | */ | |
99fa97e9 AB |
125 | #define CONFIG_FLASH_CFI_DRIVER |
126 | #define CONFIG_SYS_FLASH_CFI | |
127 | #define CONFIG_SYS_FLASH_BASE 0x10000000 | |
128 | #define PHYS_FLASH_1 CONFIG_SYS_FLASH_BASE | |
129 | #define PHYS_FLASH_SIZE SZ_8M | |
130 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 | |
131 | #define CONFIG_SYS_MAX_FLASH_SECT 256 | |
cb82a532 US |
132 | #define CONFIG_SYS_FLASH_PROTECTION |
133 | ||
3b83522b AB |
134 | /* |
135 | * USB Config | |
136 | */ | |
137 | #define CONFIG_USB_ATMEL 1 | |
dcd2f1a0 | 138 | #define CONFIG_USB_ATMEL_CLK_SEL_PLLB |
3b83522b | 139 | #define CONFIG_USB_OHCI_NEW 1 |
3b83522b AB |
140 | |
141 | #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 | |
80733994 | 142 | #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_USB_HOST_BASE |
3b83522b AB |
143 | #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" |
144 | #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 | |
145 | ||
cb82a532 US |
146 | /* |
147 | * Environment Settings | |
148 | */ | |
cb82a532 | 149 | |
cb82a532 US |
150 | /* |
151 | * after u-boot.bin | |
152 | */ | |
153 | #define CONFIG_ENV_ADDR \ | |
154 | (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) | |
99fa97e9 | 155 | #define CONFIG_ENV_SIZE SZ_64K /* sectors are 64K here */ |
cb82a532 US |
156 | /* The following #defines are needed to get flash environment right */ |
157 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
99fa97e9 | 158 | #define CONFIG_SYS_MONITOR_LEN SZ_256K |
cb82a532 US |
159 | |
160 | /* | |
161 | * Boot option | |
162 | */ | |
cb82a532 | 163 | |
99fa97e9 AB |
164 | /* default load address */ |
165 | #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + SZ_16M | |
166 | #define CONFIG_ENV_OVERWRITE | |
cb82a532 US |
167 | |
168 | /* | |
169 | * Shell Settings | |
170 | */ | |
cb82a532 | 171 | |
cb82a532 US |
172 | /* |
173 | * Size of malloc() pool | |
174 | */ | |
99fa97e9 AB |
175 | #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \ |
176 | SZ_4K) | |
cb82a532 | 177 | |
99fa97e9 | 178 | #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \ |
25ddd1fb | 179 | - GENERATED_GBL_DATA_SIZE) |
99fa97e9 | 180 | |
99fa97e9 | 181 | #endif /* __AT91RM9200EK_CONFIG_H__ */ |