2 * (C) Copyright 2000-2005
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options
20 #define CONFIG_405GP 1 /* This is a PPC405 CPU */
21 #define CONFIG_WALNUT 1 /* ...on a WALNUT board */
22 /* ...or on a SYCAMORE board */
24 #define CONFIG_SYS_TEXT_BASE 0xFFFC0000
27 * Include common defines/options for all AMCC eval boards
29 #define CONFIG_HOSTNAME walnut
30 #include "amcc-common.h"
32 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
34 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
37 * Default environment variables
39 #define CONFIG_EXTRA_ENV_SETTINGS \
41 CONFIG_AMCC_DEF_ENV_POWERPC \
42 CONFIG_AMCC_DEF_ENV_PPC_OLD \
43 CONFIG_AMCC_DEF_ENV_NOR_UPD \
44 "kernel_addr=fff80000\0" \
45 "ramdisk_addr=fff80000\0" \
48 #define CONFIG_PHY_ADDR 1 /* PHY address */
49 #define CONFIG_HAS_ETH0 1
51 #define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */
54 * Commands additional to the ones defined in amcc-common.h
56 #define CONFIG_CMD_DATE
57 #define CONFIG_CMD_PCI
58 #define CONFIG_CMD_SDRAM
59 #define CONFIG_CMD_SNTP
61 #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
64 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
65 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
66 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
67 * The Linux BASE_BAUD define should match this configuration.
68 * baseBaud = cpuClock/(uartDivisor*16)
69 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
70 * set Linux BASE_BAUD to 403200.
72 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
73 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
74 #undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
75 #define CONFIG_SYS_BASE_BAUD 691200
77 /*-----------------------------------------------------------------------
79 *-----------------------------------------------------------------------
81 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
83 #define CONFIG_SYS_I2C_MULTI_EEPROMS
84 #define CONFIG_SYS_I2C_EEPROM_ADDR (0xa8>>1)
85 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
86 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
87 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
89 /*-----------------------------------------------------------------------
91 *-----------------------------------------------------------------------
93 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
94 #define PCI_HOST_FORCE 1 /* configure as pci host */
95 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
97 #define CONFIG_PCI /* include pci support */
98 #define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
99 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
100 #define CONFIG_PCI_PNP /* do pci plug-and-play */
101 /* resource configuration */
102 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
104 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
105 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
106 #define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
107 #define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
108 #define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
109 #define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
110 #define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
111 #define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
113 /*-----------------------------------------------------------------------
114 * Start addresses for the final memory configuration
115 * (Set up by the startup code)
117 #define CONFIG_SYS_FLASH_BASE 0xFFF80000
120 * Define here the location of the environment variables (FLASH or NVRAM).
121 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
122 * supported for backward compatibility.
125 #define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
127 #define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
130 /*-----------------------------------------------------------------------
133 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
134 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
136 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
137 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
139 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
140 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
142 #define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
144 #define CONFIG_SYS_FLASH_ADDR0 0x5555
145 #define CONFIG_SYS_FLASH_ADDR1 0x2aaa
146 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned char
148 #ifdef CONFIG_ENV_IS_IN_FLASH
149 #define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
150 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
151 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
153 /* Address and size of Redundant Environment Sector */
154 #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
155 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
156 #endif /* CONFIG_ENV_IS_IN_FLASH */
158 /*-----------------------------------------------------------------------
161 #define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
162 #define CONFIG_SYS_NVRAM_SIZE 0x1ff8 /* NVRAM size */
164 #ifdef CONFIG_ENV_IS_IN_NVRAM
165 #define CONFIG_ENV_SIZE 0x1000 /* Size of Environment vars */
166 #define CONFIG_ENV_ADDR \
167 (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE) /* Env */
170 /*-----------------------------------------------------------------------
171 * External Bus Controller (EBC) Setup
174 /* Memory Bank 0 (Flash Bank 0) initialization */
175 #define CONFIG_SYS_EBC_PB0AP 0x9B015480
176 #define CONFIG_SYS_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
178 #define CONFIG_SYS_EBC_PB1AP 0x02815480
179 #define CONFIG_SYS_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
181 #define CONFIG_SYS_EBC_PB2AP 0x04815A80
182 #define CONFIG_SYS_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
184 #define CONFIG_SYS_EBC_PB3AP 0x01815280
185 #define CONFIG_SYS_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */
187 #define CONFIG_SYS_EBC_PB7AP 0x01815280
188 #define CONFIG_SYS_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
190 /*-----------------------------------------------------------------------
191 * External peripheral base address
192 *-----------------------------------------------------------------------
194 #define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000
195 #define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000
196 #define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000
198 /*-----------------------------------------------------------------------
199 * Definitions for initial stack pointer and data area
201 #define CONFIG_SYS_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */
203 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */
204 #define CONFIG_SYS_INIT_RAM_SIZE 0x2000 /* Size of used area in RAM */
205 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
206 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
208 /*-----------------------------------------------------------------------
209 * Definitions for Serial Presence Detect EEPROM address
210 * (to get SDRAM settings)
212 #define SPD_EEPROM_ADDRESS 0x50
214 #endif /* __CONFIG_H */