2 * (C) Copyright 2003 Picture Elements, Inc.
3 * Stephen Williams <steve@icarus.com>
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options for the JSE board
17 * (Theoretically easy to change, but the board is fixed.)
21 /* JSE has a PPC405GPr */
22 #define CONFIG_405GP 1
23 /* ... which is a 4xxx series */
25 /* ... with a 33MHz OSC. connected to the SysCLK input */
26 #define CONFIG_SYS_CLK_FREQ 33333333
27 /* ... with on-chip memory here (4KBytes) */
28 #define CONFIG_SYS_OCM_DATA_ADDR 0xF4000000
29 #define CONFIG_SYS_OCM_DATA_SIZE 0x00001000
30 /* Do not set up locked dcache as init ram. */
31 #undef CONFIG_SYS_INIT_DCACHE_CS
33 #define CONFIG_SYS_TEXT_BASE 0xFFF80000
35 /* Map the SystemACE chip (CS#1) here. (Must be a multiple of 1Meg) */
36 #define CONFIG_SYSTEMACE 1
37 #define CONFIG_SYS_SYSTEMACE_BASE 0xf0000000
38 #define CONFIG_SYS_SYSTEMACE_WIDTH 8
39 #define CONFIG_DOS_PARTITION 1
41 /* Use the On-Chip-Memory (OCM) as a temporary stack for the startup code. */
42 #define CONFIG_SYS_TEMP_STACK_OCM 1
43 /* ... place INIT RAM in the OCM address */
44 # define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR
45 /* ... give it the whole init ram */
46 # define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE
47 /* ... Shave a bit off the end for global data */
48 # define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
49 /* ... and place the stack pointer at the top of what's left. */
50 # define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
52 /* Enable board_pre_init function */
53 #define CONFIG_BOARD_PRE_INIT 1
54 #define CONFIG_BOARD_EARLY_INIT_F 1
55 /* Disable post-clk setup init function */
56 #undef CONFIG_BOARD_POSTCLK_INIT
57 /* Disable call to post_init_f: late init function. */
59 /* Enable DRAM test. */
60 #define CONFIG_SYS_DRAM_TEST 1
61 /* Enable misc_init_r function. */
62 #define CONFIG_MISC_INIT_R 1
64 /* JSE has EEPROM chips that are good for environment. */
65 #undef CONFIG_ENV_IS_IN_NVRAM
66 #undef CONFIG_ENV_IS_IN_FLASH
67 #define CONFIG_ENV_IS_IN_EEPROM 1
68 #undef CONFIG_ENV_IS_NOWHERE
70 /* This is the 7bit address of the device, not including P. */
71 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
72 /* After the device address, need one more address byte. */
73 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
74 /* The EEPROM is 512 bytes. */
75 #define CONFIG_SYS_EEPROM_SIZE 512
76 /* The EEPROM can do 16byte ( 1 << 4 ) page writes. */
77 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
78 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
79 /* Put the environment in the second half. */
80 #define CONFIG_ENV_OFFSET 0x00
81 #define CONFIG_ENV_SIZE 512
83 /* The JSE connects UART1 to the console tap connector. */
84 #define CONFIG_CONS_INDEX 2
85 #define CONFIG_SYS_NS16550
86 #define CONFIG_SYS_NS16550_SERIAL
87 #define CONFIG_SYS_NS16550_REG_SIZE 1
88 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
90 /* Set console baudrate to 9600 */
91 #define CONFIG_BAUDRATE 9600
94 * Configuration related to auto-boot.
96 * CONFIG_BOOTDELAY sets the delay (in seconds) that U-Boot will wait
97 * before resorting to autoboot. This value can be overridden by the
98 * bootdelay environment variable.
100 * CONFIG_AUTOBOOT_PROMPT is the string that U-Boot emits to warn the
101 * user that an autoboot will happen.
103 * CONFIG_BOOTCOMMAND is the sequence of commands that U-Boot will
104 * execute to boot the JSE. This loads the uimage and initrd.img files
105 * from CompactFlash into memory, then boots them from memory.
107 * CONFIG_BOOTARGS is the arguments passed to the Linux kernel to get
108 * it going on the JSE.
110 #define CONFIG_BOOTDELAY 5
111 #define CONFIG_BOOTARGS "root=/dev/ram0 init=/linuxrc rw"
112 #define CONFIG_BOOTCOMMAND "fatload ace 0 2000000 uimage; fatload ace 0 2100000 initrd.img; bootm 2000000 2100000"
115 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
116 #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
118 #define CONFIG_PPC4xx_EMAC
119 #define CONFIG_MII 1 /* MII PHY management */
120 #define CONFIG_PHY_ADDR 1 /* PHY address */
126 #define CONFIG_BOOTP_BOOTFILESIZE
127 #define CONFIG_BOOTP_BOOTPATH
128 #define CONFIG_BOOTP_GATEWAY
129 #define CONFIG_BOOTP_HOSTNAME
133 * Command line configuration.
135 #include <config_cmd_default.h>
137 #define CONFIG_CMD_DHCP
138 #define CONFIG_CMD_EEPROM
139 #define CONFIG_CMD_ELF
140 #define CONFIG_CMD_FAT
141 #define CONFIG_CMD_FLASH
142 #define CONFIG_CMD_IRQ
143 #define CONFIG_CMD_MII
144 #define CONFIG_CMD_NET
145 #define CONFIG_CMD_PCI
146 #define CONFIG_CMD_PING
149 /* watchdog disabled */
150 #undef CONFIG_WATCHDOG
151 /* SPD EEPROM (sdram speed config) disabled */
152 #undef CONFIG_SPD_EEPROM
153 #undef SPD_EEPROM_ADDRESS
156 * Miscellaneous configurable options
158 #define CONFIG_SYS_LONGHELP /* undef to save memory */
160 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
162 #if defined(CONFIG_CMD_KGDB)
163 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
165 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
167 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
168 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
169 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
171 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
172 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
175 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
176 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
177 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
178 * The Linux BASE_BAUD define should match this configuration.
179 * baseBaud = cpuClock/(uartDivisor*16)
180 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
181 * set Linux BASE_BAUD to 403200.
183 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
184 #undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
185 #define CONFIG_SYS_BASE_BAUD 691200
187 /* The following table includes the supported baudrates */
188 #define CONFIG_SYS_BAUDRATE_TABLE \
189 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
191 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
192 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
194 #define CONFIG_SYS_I2C
195 #define CONFIG_SYS_I2C_PPC4XX
196 #define CONFIG_SYS_I2C_PPC4XX_CH0
197 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
198 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
201 /*-----------------------------------------------------------------------
203 *-----------------------------------------------------------------------
205 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
206 #define PCI_HOST_FORCE 1 /* configure as pci host */
207 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
209 #define CONFIG_PCI /* include pci support */
210 #define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
211 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
212 #undef CONFIG_PCI_PNP /* do pci plug-and-play */
213 /* resource configuration */
215 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
216 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
217 #define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
218 #define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
219 #define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
220 #define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
221 #define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
222 #define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
224 /*-----------------------------------------------------------------------
225 * External peripheral base address
226 *-----------------------------------------------------------------------
228 #undef CONFIG_IDE_LED /* no led for ide supported */
229 #undef CONFIG_IDE_RESET /* no reset for ide supported */
231 #define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000
232 #define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000
233 #define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000
235 /*-----------------------------------------------------------------------
236 * Start addresses for the final memory configuration
237 * (Set up by the startup code)
238 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
240 #define CONFIG_SYS_SDRAM_BASE 0x00000000
241 #define CONFIG_SYS_FLASH_BASE 0xFFF80000
242 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
243 #define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
244 #define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
247 * For booting Linux, the board info and command line data
248 * have to be in the first 8 MB of memory, since this is
249 * the maximum mapped by the Linux kernel during initialization.
251 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
253 /*-----------------------------------------------------------------------
256 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
257 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
259 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
260 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
263 * Init Memory Controller:
265 * BR0/1 and OR0/1 (FLASH)
268 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
269 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
272 /* Configuration Port location */
273 #define CONFIG_PORT_ADDR 0xF0000500
275 #if defined(CONFIG_CMD_KGDB)
276 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
278 #endif /* __CONFIG_H */