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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 */
Markus Hubig2399ef72012-08-07 17:43:23 +020038
39/* misc settings */
40#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
41#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
42#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
43#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
44#define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
Markus Hubig7d899c12012-08-16 08:22:09 +000045#define CONFIG_BOARD_POSTCLK_INIT /* call board_postclk_init() */
Markus Hubig2399ef72012-08-07 17:43:23 +020046#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
47
48/* setting board specific options */
49#ifdef CONFIG_PORTUXG20
50# define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20
51# define CONFIG_MACB
52#else
53# define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20
54#endif
55
56/*
57 * SDRAM: 1 bank, 64 MB, base address 0x20000000
58 * Already initialized before u-boot gets started.
59 */
60#define CONFIG_NR_DRAM_BANKS 1
61#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
62#define CONFIG_SYS_SDRAM_SIZE (64 << 20)
63
64/*
65 * Perform a SDRAM Memtest from the start of SDRAM
66 * till the beginning of the U-Boot position in RAM.
67 */
68#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
69#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000)
70
71/* Size of malloc() pool */
72#define CONFIG_SYS_MALLOC_LEN \
73 ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
74
75/*
76 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
77 * leaving the correct space for initial global data structure above that
78 * address while providing maximum stack area below.
79 */
80#define CONFIG_SYS_INIT_SP_ADDR \
81 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
82
83/* NAND flash settings */
84#define CONFIG_NAND_ATMEL
85#define CONFIG_SYS_NO_FLASH
86#define CONFIG_SYS_MAX_NAND_DEVICE 1
87#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
88#define CONFIG_SYS_NAND_DBW_8
89#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
90#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
91#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
92#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
93
94/* general purpose I/O */
95#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
96#define CONFIG_AT91_GPIO /* enable the GPIO features */
97#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
98
99/* serial console */
100#define CONFIG_ATMEL_USART
101#define CONFIG_USART_BASE ATMEL_BASE_DBGU
102#define CONFIG_USART_ID ATMEL_ID_SYS
103#define CONFIG_BAUDRATE 115200
104
105/* LED configuration */
106#define CONFIG_STATUS_LED
107#define CONFIG_BOARD_SPECIFIC_LED
108
109/* The LED PINs */
110#define CONFIG_RED_LED AT91_PIN_PC5
111#define CONFIG_GREEN_LED AT91_PIN_PC4
112#define CONFIG_YELLOW_LED AT91_PIN_PC10
113
114#define STATUS_LED_RED 0
115#define STATUS_LED_GREEN 1
116#define STATUS_LED_YELLOW 2
117
118/* Red LED */
119#define STATUS_LED_BIT STATUS_LED_RED
120#define STATUS_LED_STATE STATUS_LED_OFF
121#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
122
123/* Green LED */
124#define STATUS_LED_BIT1 STATUS_LED_GREEN
125#define STATUS_LED_STATE1 STATUS_LED_ON
126#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
127
128/* Yellow LED */
129#define STATUS_LED_BIT2 STATUS_LED_YELLOW
130#define STATUS_LED_STATE2 STATUS_LED_OFF
131#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
132
133/* Boot status LED */
134#define STATUS_LED_BOOT STATUS_LED_GREEN
135
136/*
137 * Ethernet configuration
138 *
139 * PortuxG20 has always ethernet but for Stamp9G20 you
140 * can enable it here if your baseboard features ethernet.
141 */
142
Gerhard Sittig9a6a1092014-03-08 19:46:17 +0100143#define CONFIG_MACB
144#define CONFIG_USB_HOST_ETHER
145#define CONFIG_USB_ETHER_ASIX
146#define CONFIG_USB_ETHER_MCS7830
Markus Hubig2399ef72012-08-07 17:43:23 +0200147
148#ifdef CONFIG_MACB
149# define CONFIG_RMII /* use reduced MII inteface */
150# define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
Heiko Schocher4535a242013-11-18 08:07:23 +0100151#define CONFIG_AT91_WANTS_COMMON_PHY
Markus Hubig2399ef72012-08-07 17:43:23 +0200152
153/* BOOTP and DHCP options */
154# define CONFIG_BOOTP_BOOTFILESIZE
155# define CONFIG_BOOTP_BOOTPATH
156# define CONFIG_BOOTP_GATEWAY
157# define CONFIG_BOOTP_HOSTNAME
158# define CONFIG_NFSBOOTCOMMAND \
159 "setenv autoload yes; setenv autoboot yes; " \
160 "setenv bootargs ${basicargs} ${mtdparts} " \
161 "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \
162 "dhcp"
163#endif /* CONFIG_MACB */
164
165/* Enable the watchdog */
166#define CONFIG_AT91SAM9_WATCHDOG
167#define CONFIG_HW_WATCHDOG
168
169/* USB configuration */
170#define CONFIG_USB_ATMEL
Bo Shendcd2f1a2013-10-21 16:14:00 +0800171#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
Markus Hubig2399ef72012-08-07 17:43:23 +0200172#define CONFIG_USB_OHCI_NEW
173#define CONFIG_USB_STORAGE
174#define CONFIG_DOS_PARTITION
175#define CONFIG_SYS_USB_OHCI_CPU_INIT
176#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
177#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
178#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
179
180/* General Boot Parameter */
181#define CONFIG_BOOTDELAY 3
182#define CONFIG_BOOTCOMMAND "run flashboot"
183#define CONFIG_SYS_PROMPT "U-Boot> "
184#define CONFIG_SYS_CBSIZE 256
185#define CONFIG_SYS_MAXARGS 16
186#define CONFIG_SYS_PBSIZE \
187 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
188#define CONFIG_SYS_LONGHELP
189#define CONFIG_CMDLINE_EDITING
190
191/*
192 * RAM Memory address where to put the
193 * Linux Kernel befor starting.
194 */
195#define CONFIG_SYS_LOAD_ADDR 0x22000000
196
197/*
198 * The NAND Flash partitions:
199 * ==========================================
200 * 0x0000000-0x001ffff -> 128k, bootstrap
201 * 0x0020000-0x005ffff -> 256k, u-boot
202 * 0x0060000-0x007ffff -> 128k, env1
203 * 0x0080000-0x009ffff -> 128k, env2 (backup)
204 * 0x0100000-0x06fffff -> 6M, kernel
205 * 0x0700000-0x8000000 -> 121M, RootFS
206 */
207#define CONFIG_ENV_IS_IN_NAND
208#define CONFIG_ENV_OFFSET ((128 + 256) << 10)
209#define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10)
210#define CONFIG_ENV_SIZE (128 << 10)
211
212/*
213 * Predefined environment variables.
214 * Usefull to define some easy to use boot commands.
215 */
216#define CONFIG_EXTRA_ENV_SETTINGS \
217 \
218 "basicargs=console=ttyS0,115200\0" \
219 \
220 "mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \
221 "256k(uboot)ro,128k(env1)ro," \
222 "128k(env2)ro,6M(linux),-(root)rw\0" \
223 \
224 "flashboot=setenv bootargs ${basicargs} ${mtdparts} " \
225 "root=/dev/mtdblock5 rootfstype=jffs2; " \
226 "nand read 0x22000000 0x100000 0x600000; " \
227 "bootm 22000000\0" \
228 \
229 "sdboot=setenv bootargs ${basicargs} ${mtdparts} " \
230 "root=/dev/mmcblk0p1 rootwait; " \
231 "nand read 0x22000000 0x100000 0x600000; " \
232 "bootm 22000000"
233
234/* Command line & features configuration */
235#include <config_cmd_default.h>
236#undef CONFIG_CMD_FPGA
237#undef CONFIG_CMD_IMI
238#undef CONFIG_CMD_IMLS
239#undef CONFIG_CMD_LOADS
240
241#define CONFIG_CMD_NAND
242#define CONFIG_CMD_USB
243#define CONFIG_CMD_FAT
244#define CONFIG_CMD_LED
245
246#ifdef CONFIG_MACB
247# define CONFIG_CMD_PING
248# define CONFIG_CMD_DHCP
249#else
250# undef CONFIG_CMD_BOOTD
251# undef CONFIG_CMD_NET
252# undef CONFIG_CMD_NFS
253#endif /* CONFIG_MACB */
254
255#endif /* __CONFIG_H */