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_SYS_CLK_FREQ 33333333 /* external frequency to pll */
35 * Default environment variables
37 #define CONFIG_EXTRA_ENV_SETTINGS \
39 CONFIG_AMCC_DEF_ENV_POWERPC \
40 CONFIG_AMCC_DEF_ENV_PPC_OLD \
41 CONFIG_AMCC_DEF_ENV_NOR_UPD \
42 "kernel_addr=fff80000\0" \
43 "ramdisk_addr=fff80000\0" \
46 #define CONFIG_PHY_ADDR 1 /* PHY address */
47 #define CONFIG_HAS_ETH0 1
49 #define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */
52 * Commands additional to the ones defined in amcc-common.h
54 #define CONFIG_CMD_DATE
55 #define CONFIG_CMD_PCI
56 #define CONFIG_CMD_SDRAM
58 #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
61 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
62 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
63 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
64 * The Linux BASE_BAUD define should match this configuration.
65 * baseBaud = cpuClock/(uartDivisor*16)
66 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
67 * set Linux BASE_BAUD to 403200.
69 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
70 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
71 #undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
72 #define CONFIG_SYS_BASE_BAUD 691200
74 /*-----------------------------------------------------------------------
76 *-----------------------------------------------------------------------
78 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
80 #define CONFIG_SYS_I2C_EEPROM_ADDR (0xa8>>1)
81 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
82 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
83 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
85 /*-----------------------------------------------------------------------
87 *-----------------------------------------------------------------------
89 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
90 #define PCI_HOST_FORCE 1 /* configure as pci host */
91 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
93 #define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
94 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
95 /* resource configuration */
96 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
98 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
99 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
100 #define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
101 #define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
102 #define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
103 #define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
104 #define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
105 #define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
107 /*-----------------------------------------------------------------------
108 * Start addresses for the final memory configuration
109 * (Set up by the startup code)
111 #define CONFIG_SYS_FLASH_BASE 0xFFF80000
114 * Define here the location of the environment variables (FLASH or NVRAM).
115 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
116 * supported for backward compatibility.
119 #define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
121 #define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
124 /*-----------------------------------------------------------------------
127 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
128 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
130 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
131 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
133 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
134 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
136 #define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
138 #define CONFIG_SYS_FLASH_ADDR0 0x5555
139 #define CONFIG_SYS_FLASH_ADDR1 0x2aaa
140 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned char
142 #ifdef CONFIG_ENV_IS_IN_FLASH
143 #define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
144 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
145 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
147 /* Address and size of Redundant Environment Sector */
148 #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
149 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
150 #endif /* CONFIG_ENV_IS_IN_FLASH */
152 /*-----------------------------------------------------------------------
155 #define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
156 #define CONFIG_SYS_NVRAM_SIZE 0x1ff8 /* NVRAM size */
158 #ifdef CONFIG_ENV_IS_IN_NVRAM
159 #define CONFIG_ENV_SIZE 0x1000 /* Size of Environment vars */
160 #define CONFIG_ENV_ADDR \
161 (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE) /* Env */
164 /*-----------------------------------------------------------------------
165 * External Bus Controller (EBC) Setup
168 /* Memory Bank 0 (Flash Bank 0) initialization */
169 #define CONFIG_SYS_EBC_PB0AP 0x9B015480
170 #define CONFIG_SYS_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
172 #define CONFIG_SYS_EBC_PB1AP 0x02815480
173 #define CONFIG_SYS_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
175 #define CONFIG_SYS_EBC_PB2AP 0x04815A80
176 #define CONFIG_SYS_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
178 #define CONFIG_SYS_EBC_PB3AP 0x01815280
179 #define CONFIG_SYS_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */
181 #define CONFIG_SYS_EBC_PB7AP 0x01815280
182 #define CONFIG_SYS_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
184 /*-----------------------------------------------------------------------
185 * External peripheral base address
186 *-----------------------------------------------------------------------
188 #define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000
189 #define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000
190 #define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000
192 /*-----------------------------------------------------------------------
193 * Definitions for initial stack pointer and data area
195 #define CONFIG_SYS_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */
197 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */
198 #define CONFIG_SYS_INIT_RAM_SIZE 0x2000 /* Size of used area in RAM */
199 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
200 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
202 /*-----------------------------------------------------------------------
203 * Definitions for Serial Presence Detect EEPROM address
204 * (to get SDRAM settings)
206 #define SPD_EEPROM_ADDRESS 0x50
208 #endif /* __CONFIG_H */