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Markus Hubig2399ef72012-08-07 17:43:23 +02001/*
2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
5 *
6 * (C) Copyright 2010
7 * Achim Ehrlich <aehrlich@taskit.de>
8 * taskit GmbH <www.taskit.de>
9 *
10 * (C) Copyright 2012
11 * Markus Hubig <mhubig@imko.de>
12 * IMKO GmbH <www.imko.de>
13 *
14 * Configuation settings for the stamp9g20 CPU module.
15 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020016 * SPDX-License-Identifier: GPL-2.0+
Markus Hubig2399ef72012-08-07 17:43:23 +020017 */
18
19#ifndef __CONFIG_H
20#define __CONFIG_H
21
22/*
23 * SoC must be defined first, before hardware.h is included.
24 * In this case SoC is defined in boards.cfg.
25 */
26#include <asm/hardware.h>
27
28/*
29 * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
30 * program. Since the linker has to swallow that define, we must use a pure
31 * hex number here!
32 */
33#define CONFIG_SYS_TEXT_BASE 0x23f00000
34
35/* ARM asynchronous clock */
36#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
37#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
38#define CONFIG_SYS_HZ 1000 /* 1ms resolution */
39
40/* misc settings */
41#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
42#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
43#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
44#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
45#define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
Markus Hubig7d899c12012-08-16 08:22:09 +000046#define CONFIG_BOARD_POSTCLK_INIT /* call board_postclk_init() */
Markus Hubig2399ef72012-08-07 17:43:23 +020047#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
48
49/* setting board specific options */
50#ifdef CONFIG_PORTUXG20
51# define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20
52# define CONFIG_MACB
53#else
54# define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20
55#endif
56
57/*
58 * SDRAM: 1 bank, 64 MB, base address 0x20000000
59 * Already initialized before u-boot gets started.
60 */
61#define CONFIG_NR_DRAM_BANKS 1
62#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
63#define CONFIG_SYS_SDRAM_SIZE (64 << 20)
64
65/*
66 * Perform a SDRAM Memtest from the start of SDRAM
67 * till the beginning of the U-Boot position in RAM.
68 */
69#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
70#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000)
71
72/* Size of malloc() pool */
73#define CONFIG_SYS_MALLOC_LEN \
74 ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
75
76/*
77 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
78 * leaving the correct space for initial global data structure above that
79 * address while providing maximum stack area below.
80 */
81#define CONFIG_SYS_INIT_SP_ADDR \
82 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
83
84/* NAND flash settings */
85#define CONFIG_NAND_ATMEL
86#define CONFIG_SYS_NO_FLASH
87#define CONFIG_SYS_MAX_NAND_DEVICE 1
88#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
89#define CONFIG_SYS_NAND_DBW_8
90#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
91#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
92#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
93#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
94
95/* general purpose I/O */
96#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
97#define CONFIG_AT91_GPIO /* enable the GPIO features */
98#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
99
100/* serial console */
101#define CONFIG_ATMEL_USART
102#define CONFIG_USART_BASE ATMEL_BASE_DBGU
103#define CONFIG_USART_ID ATMEL_ID_SYS
104#define CONFIG_BAUDRATE 115200
105
106/* LED configuration */
107#define CONFIG_STATUS_LED
108#define CONFIG_BOARD_SPECIFIC_LED
109
110/* The LED PINs */
111#define CONFIG_RED_LED AT91_PIN_PC5
112#define CONFIG_GREEN_LED AT91_PIN_PC4
113#define CONFIG_YELLOW_LED AT91_PIN_PC10
114
115#define STATUS_LED_RED 0
116#define STATUS_LED_GREEN 1
117#define STATUS_LED_YELLOW 2
118
119/* Red LED */
120#define STATUS_LED_BIT STATUS_LED_RED
121#define STATUS_LED_STATE STATUS_LED_OFF
122#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
123
124/* Green LED */
125#define STATUS_LED_BIT1 STATUS_LED_GREEN
126#define STATUS_LED_STATE1 STATUS_LED_ON
127#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
128
129/* Yellow LED */
130#define STATUS_LED_BIT2 STATUS_LED_YELLOW
131#define STATUS_LED_STATE2 STATUS_LED_OFF
132#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
133
134/* Boot status LED */
135#define STATUS_LED_BOOT STATUS_LED_GREEN
136
137/*
138 * Ethernet configuration
139 *
140 * PortuxG20 has always ethernet but for Stamp9G20 you
141 * can enable it here if your baseboard features ethernet.
142 */
143
144/* #define CONFIG_MACB */
145
146#ifdef CONFIG_MACB
147# define CONFIG_RMII /* use reduced MII inteface */
148# define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
149
150/* BOOTP and DHCP options */
151# define CONFIG_BOOTP_BOOTFILESIZE
152# define CONFIG_BOOTP_BOOTPATH
153# define CONFIG_BOOTP_GATEWAY
154# define CONFIG_BOOTP_HOSTNAME
155# define CONFIG_NFSBOOTCOMMAND \
156 "setenv autoload yes; setenv autoboot yes; " \
157 "setenv bootargs ${basicargs} ${mtdparts} " \
158 "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \
159 "dhcp"
160#endif /* CONFIG_MACB */
161
162/* Enable the watchdog */
163#define CONFIG_AT91SAM9_WATCHDOG
164#define CONFIG_HW_WATCHDOG
165
166/* USB configuration */
167#define CONFIG_USB_ATMEL
168#define CONFIG_USB_OHCI_NEW
169#define CONFIG_USB_STORAGE
170#define CONFIG_DOS_PARTITION
171#define CONFIG_SYS_USB_OHCI_CPU_INIT
172#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
173#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
174#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
175
176/* General Boot Parameter */
177#define CONFIG_BOOTDELAY 3
178#define CONFIG_BOOTCOMMAND "run flashboot"
179#define CONFIG_SYS_PROMPT "U-Boot> "
180#define CONFIG_SYS_CBSIZE 256
181#define CONFIG_SYS_MAXARGS 16
182#define CONFIG_SYS_PBSIZE \
183 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
184#define CONFIG_SYS_LONGHELP
185#define CONFIG_CMDLINE_EDITING
186
187/*
188 * RAM Memory address where to put the
189 * Linux Kernel befor starting.
190 */
191#define CONFIG_SYS_LOAD_ADDR 0x22000000
192
193/*
194 * The NAND Flash partitions:
195 * ==========================================
196 * 0x0000000-0x001ffff -> 128k, bootstrap
197 * 0x0020000-0x005ffff -> 256k, u-boot
198 * 0x0060000-0x007ffff -> 128k, env1
199 * 0x0080000-0x009ffff -> 128k, env2 (backup)
200 * 0x0100000-0x06fffff -> 6M, kernel
201 * 0x0700000-0x8000000 -> 121M, RootFS
202 */
203#define CONFIG_ENV_IS_IN_NAND
204#define CONFIG_ENV_OFFSET ((128 + 256) << 10)
205#define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10)
206#define CONFIG_ENV_SIZE (128 << 10)
207
208/*
209 * Predefined environment variables.
210 * Usefull to define some easy to use boot commands.
211 */
212#define CONFIG_EXTRA_ENV_SETTINGS \
213 \
214 "basicargs=console=ttyS0,115200\0" \
215 \
216 "mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \
217 "256k(uboot)ro,128k(env1)ro," \
218 "128k(env2)ro,6M(linux),-(root)rw\0" \
219 \
220 "flashboot=setenv bootargs ${basicargs} ${mtdparts} " \
221 "root=/dev/mtdblock5 rootfstype=jffs2; " \
222 "nand read 0x22000000 0x100000 0x600000; " \
223 "bootm 22000000\0" \
224 \
225 "sdboot=setenv bootargs ${basicargs} ${mtdparts} " \
226 "root=/dev/mmcblk0p1 rootwait; " \
227 "nand read 0x22000000 0x100000 0x600000; " \
228 "bootm 22000000"
229
230/* Command line & features configuration */
231#include <config_cmd_default.h>
232#undef CONFIG_CMD_FPGA
233#undef CONFIG_CMD_IMI
234#undef CONFIG_CMD_IMLS
235#undef CONFIG_CMD_LOADS
236
237#define CONFIG_CMD_NAND
238#define CONFIG_CMD_USB
239#define CONFIG_CMD_FAT
240#define CONFIG_CMD_LED
241
242#ifdef CONFIG_MACB
243# define CONFIG_CMD_PING
244# define CONFIG_CMD_DHCP
245#else
246# undef CONFIG_CMD_BOOTD
247# undef CONFIG_CMD_NET
248# undef CONFIG_CMD_NFS
249#endif /* CONFIG_MACB */
250
251#endif /* __CONFIG_H */