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1 /*
2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 * board/config.h - configuration options, board specific
26 */
27
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30
31 /*
32 * High Level Configuration Options
33 * (easy to change)
34 */
35
36 #define CONFIG_405EP 1 /* This is a PPC405 CPU */
37 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
38 #define CONFIG_BUBINGA 1 /* ...on a BUBINGA board */
39
40 #define CONFIG_SYS_TEXT_BASE 0xFFFC0000
41
42 /*
43 * Include common defines/options for all AMCC eval boards
44 */
45 #define CONFIG_HOSTNAME bubinga
46 #include "amcc-common.h"
47
48 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
49
50 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
51
52 #define CONFIG_NO_SERIAL_EEPROM
53 /*#undef CONFIG_NO_SERIAL_EEPROM*/
54 /*----------------------------------------------------------------------------*/
55 #ifdef CONFIG_NO_SERIAL_EEPROM
56
57 /*
58 !-------------------------------------------------------------------------------
59 ! Defines for entry options.
60 ! Note: Because the 405EP SDRAM controller does not support ECC, ECC DIMMs that
61 ! are plugged in the board will be utilized as non-ECC DIMMs.
62 !-------------------------------------------------------------------------------
63 */
64 #define AUTO_MEMORY_CONFIG
65 #define DIMM_READ_ADDR 0xAB
66 #define DIMM_WRITE_ADDR 0xAA
67
68 /*
69 !-------------------------------------------------------------------------------
70 ! PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
71 ! assuming a 33MHz input clock to the 405EP from the C9531.
72 !-------------------------------------------------------------------------------
73 */
74 #define PLLMR0_DEFAULT PLLMR0_266_133_66
75 #define PLLMR1_DEFAULT PLLMR1_266_133_66
76
77 #endif
78 /*----------------------------------------------------------------------------*/
79
80 /*
81 * Define here the location of the environment variables (FLASH or NVRAM).
82 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
83 * supported for backward compatibility.
84 */
85 #if 1
86 #define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
87 #else
88 #define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
89 #endif
90
91 /*
92 * Default environment variables
93 */
94 #define CONFIG_EXTRA_ENV_SETTINGS \
95 CONFIG_AMCC_DEF_ENV \
96 CONFIG_AMCC_DEF_ENV_PPC \
97 CONFIG_AMCC_DEF_ENV_NOR_UPD \
98 "kernel_addr=fff80000\0" \
99 "ramdisk_addr=fff90000\0" \
100 ""
101
102 #define CONFIG_PHY_ADDR 1 /* PHY address */
103 #define CONFIG_HAS_ETH0
104 #define CONFIG_HAS_ETH1
105 #define CONFIG_PHY1_ADDR 2 /* EMAC1 PHY address */
106
107 #define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Bubinga */
108
109 /*
110 * Commands additional to the ones defined in amcc-common.h
111 */
112 #define CONFIG_CMD_DATE
113 #define CONFIG_CMD_PCI
114 #define CONFIG_CMD_SDRAM
115 #define CONFIG_CMD_SNTP
116
117 #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
118
119 /*
120 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
121 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
122 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
123 * The Linux BASE_BAUD define should match this configuration.
124 * baseBaud = cpuClock/(uartDivisor*16)
125 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
126 * set Linux BASE_BAUD to 403200.
127 */
128 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
129 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
130 #undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
131 #define CONFIG_SYS_BASE_BAUD 691200
132
133 /*-----------------------------------------------------------------------
134 * I2C stuff
135 *-----------------------------------------------------------------------
136 */
137 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
138
139 #define CONFIG_SYS_I2C_NOPROBES { {0, 0x69} } /* avoid i2c probe hangup (?) */
140 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 6 /* 24C02 requires 5ms delay */
141
142 #if defined(CONFIG_CMD_EEPROM)
143 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* I2C boot EEPROM (24C02W) */
144 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
145 #endif
146
147 /*-----------------------------------------------------------------------
148 * PCI stuff
149 *-----------------------------------------------------------------------
150 */
151 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
152 #define PCI_HOST_FORCE 1 /* configure as pci host */
153 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
154
155 #define CONFIG_PCI /* include pci support */
156 #define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
157 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
158 #define CONFIG_PCI_PNP /* do pci plug-and-play */
159 /* resource configuration */
160 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
161
162 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
163 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
164 #define CONFIG_SYS_PCI_CLASSCODE 0x0600 /* PCI Class Code: bridge/host */
165 #define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
166 #define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
167 #define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
168 #define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
169 #define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
170 #define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
171
172 /*-----------------------------------------------------------------------
173 * External peripheral base address
174 *-----------------------------------------------------------------------
175 */
176 #define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000
177 #define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000
178 #define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000
179
180 /*-----------------------------------------------------------------------
181 * Start addresses for the final memory configuration
182 * (Set up by the startup code)
183 */
184 #define CONFIG_SYS_SRAM_BASE 0xFFF00000
185 #define CONFIG_SYS_SRAM_SIZE (256 << 10)
186 #define CONFIG_SYS_FLASH_BASE 0xFFF80000
187
188 /*-----------------------------------------------------------------------
189 * FLASH organization
190 */
191 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
192 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
193
194 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
195 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
196
197 #define CONFIG_SYS_FLASH_ADDR0 0x5555
198 #define CONFIG_SYS_FLASH_ADDR1 0x2aaa
199 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned char
200
201 #ifdef CONFIG_ENV_IS_IN_FLASH
202 #define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
203 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
204 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
205
206 /* Address and size of Redundant Environment Sector */
207 #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
208 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
209 #endif /* CONFIG_ENV_IS_IN_FLASH */
210
211 /*-----------------------------------------------------------------------
212 * NVRAM organization
213 */
214 #define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
215 #define CONFIG_SYS_NVRAM_SIZE 0x1ff8 /* NVRAM size */
216
217 #ifdef CONFIG_ENV_IS_IN_NVRAM
218 #define CONFIG_ENV_SIZE 0x0ff8 /* Size of Environment vars */
219 #define CONFIG_ENV_ADDR \
220 (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE) /* Env */
221 #endif
222
223 /*
224 * Init Memory Controller:
225 *
226 * BR0/1 and OR0/1 (FLASH)
227 */
228
229 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
230 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
231
232 /*-----------------------------------------------------------------------
233 * Definitions for initial stack pointer and data area (in data cache)
234 */
235 /* use on chip memory ( OCM ) for temperary stack until sdram is tested */
236 #define CONFIG_SYS_TEMP_STACK_OCM 1
237
238 /* On Chip Memory location */
239 #define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
240 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
241 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
242 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
243
244 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
245 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
246
247 /*-----------------------------------------------------------------------
248 * External Bus Controller (EBC) Setup
249 */
250
251 /* Memory Bank 0 (Flash/SRAM) initialization */
252 #define CONFIG_SYS_EBC_PB0AP 0x04006000
253 #define CONFIG_SYS_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
254
255 /* Memory Bank 1 (NVRAM/RTC) initialization */
256 #define CONFIG_SYS_EBC_PB1AP 0x04041000
257 #define CONFIG_SYS_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
258
259 /* Memory Bank 2 (not used) initialization */
260 #define CONFIG_SYS_EBC_PB2AP 0x00000000
261 #define CONFIG_SYS_EBC_PB2CR 0x00000000
262
263 /* Memory Bank 2 (not used) initialization */
264 #define CONFIG_SYS_EBC_PB3AP 0x00000000
265 #define CONFIG_SYS_EBC_PB3CR 0x00000000
266
267 /* Memory Bank 4 (FPGA regs) initialization */
268 #define CONFIG_SYS_EBC_PB4AP 0x01815000
269 #define CONFIG_SYS_EBC_PB4CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
270
271 /*-----------------------------------------------------------------------
272 * Definitions for Serial Presence Detect EEPROM address
273 * (to get SDRAM settings)
274 */
275 #define SPD_EEPROM_ADDRESS 0x55
276
277 /*-----------------------------------------------------------------------
278 * Definitions for GPIO setup (PPC405EP specific)
279 *
280 * GPIO0[0] - External Bus Controller BLAST output
281 * GPIO0[1-9] - Instruction trace outputs
282 * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
283 * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs
284 * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
285 * GPIO0[24-27] - UART0 control signal inputs/outputs
286 * GPIO0[28-29] - UART1 data signal input/output
287 * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
288 */
289 #define CONFIG_SYS_GPIO0_OSRL 0x55555555
290 #define CONFIG_SYS_GPIO0_OSRH 0x40000110
291 #define CONFIG_SYS_GPIO0_ISR1L 0x00000000
292 #define CONFIG_SYS_GPIO0_ISR1H 0x15555445
293 #define CONFIG_SYS_GPIO0_TSRL 0x00000000
294 #define CONFIG_SYS_GPIO0_TSRH 0x00000000
295 #define CONFIG_SYS_GPIO0_TCR 0xFFFF8014
296
297 /*-----------------------------------------------------------------------
298 * Some BUBINGA stuff...
299 */
300 #define NVRAM_BASE 0xF0000000
301 #define FPGA_REG0 0xF0300000 /* FPGA Reg 0 */
302 #define FPGA_REG1 0xF0300001 /* FPGA Reg 1 */
303 #define NVRVFY1 0x4f532d4f /* used to determine if state data in */
304 #define NVRVFY2 0x50454e00 /* NVRAM initialized (ascii for OS-OPEN)*/
305
306 #define FPGA_REG0_F_RANGE 0x80 /* SDRAM PLL freq range */
307 #define FPGA_REG0_EXT_INT_DIS 0x20 /* External interface disable */
308 #define FPGA_REG0_LED_MASK 0x07 /* Board LEDs DS9, DS10, and DS11 */
309 #define FPGA_REG0_LED0 0x04 /* Turn on LED0 */
310 #define FPGA_REG0_LED1 0x02 /* Turn on LED1 */
311 #define FPGA_REG0_LED2 0x01 /* Turn on LED2 */
312
313 #define FPGA_REG1_SSPEC_DIS 0x80 /* C9531 Spread Spectrum disabled */
314 #define FPGA_REG1_OFFBD_PCICLK 0x40 /* Onboard PCI clock selected */
315 #define FPGA_REG1_CLOCK_MASK 0x30 /* Mask for C9531 output freq select */
316 #define FPGA_REG1_CLOCK_BIT_SHIFT 4
317 #define FPGA_REG1_PCI_INT_ARB 0x08 /* PCI Internal arbiter selected */
318 #define FPGA_REG1_PCI_FREQ 0x04 /* PCI Frequency select */
319 #define FPGA_REG1_OFFB_FLASH 0x02 /* Off board flash */
320 #define FPGA_REG1_SRAM_BOOT 0x01 /* SRAM at 0xFFF80000 not Flash */
321
322 #endif /* __CONFIG_H */