at91: Switch to SD_BOOT / CONFIG_NAND_BOOT
[platform/kernel/u-boot.git] / include / configs / taurus.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
4  * (C) Copyright 2013 Siemens AG
5  *
6  * Based on:
7  * U-Boot file: include/configs/at91sam9260ek.h
8  *
9  * (C) Copyright 2007-2008
10  * Stelian Pop <stelian@popies.net>
11  * Lead Tech Design <www.leadtechdesign.com>
12  */
13
14 #ifndef __CONFIG_H
15 #define __CONFIG_H
16
17 /*
18  * SoC must be defined first, before hardware.h is included.
19  * In this case SoC is defined in boards.cfg.
20  */
21 #include <asm/hardware.h>
22 #include <linux/sizes.h>
23
24 /*
25  * Warning: changing CONFIG_SYS_TEXT_BASE requires
26  * adapting the initial boot program.
27  * Since the linker has to swallow that define, we must use a pure
28  * hex number here!
29  */
30
31 /* ARM asynchronous clock */
32 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
33 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
34
35 /* Misc CPU related */
36
37 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
38 #define CONFIG_USART_ID                 ATMEL_ID_SYS
39
40 /*
41  * SDRAM: 1 bank, min 32, max 128 MB
42  * Initialized before u-boot gets started.
43  */
44 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
45 #define CONFIG_SYS_SDRAM_SIZE           (128 * SZ_1M)
46
47 /*
48  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
49  * leaving the correct space for initial global data structure above
50  * that address while providing maximum stack area below.
51  */
52 #define CONFIG_SYS_INIT_SP_ADDR \
53         (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
54
55 /* NAND flash */
56 #ifdef CONFIG_CMD_NAND
57 #define CONFIG_SYS_MAX_NAND_DEVICE      1
58 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
59 #define CONFIG_SYS_NAND_DBW_8
60 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
61 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
62 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
63 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
64 #endif
65
66 /* USB */
67 #if defined(CONFIG_BOARD_TAURUS)
68 #define CONFIG_USB_ATMEL
69 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
70 #define CONFIG_USB_OHCI_NEW
71 #define CONFIG_SYS_USB_OHCI_CPU_INIT
72 #define CONFIG_SYS_USB_OHCI_REGS_BASE           0x00500000
73 #define CONFIG_SYS_USB_OHCI_SLOT_NAME           "at91sam9260"
74 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
75
76 /* USB DFU support */
77
78 #define CONFIG_USB_GADGET_AT91
79
80 /* DFU class support */
81 #define DFU_MANIFEST_POLL_TIMEOUT       25000
82 #endif
83
84 /* SPI EEPROM */
85 #define TAURUS_SPI_MASK (1 << 4)
86
87 #if defined(CONFIG_SPL_BUILD)
88 /* SPL related */
89 #endif
90
91 /* bootstrap in spi flash , u-boot + env + linux in nandflash */
92
93 #ifndef CONFIG_SPL_BUILD
94 #if defined(CONFIG_BOARD_AXM)
95 #define CONFIG_EXTRA_ENV_SETTINGS \
96         "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \
97                 "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \
98         "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \
99         "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \
100         "boot_retries=0\0" \
101         "ethact=macb0\0" \
102         "flash_nfs=run nand_kernel;run nfsargs;run addip;" \
103                 "upgrade_available;bootm ${kernel_ram};reset\0" \
104         "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \
105                 "bootm ${kernel_ram};reset\0" \
106         "flash_self_test=run nand_kernel;run setbootargs addtest;" \
107                 "upgrade_available;bootm ${kernel_ram};reset\0" \
108         "hostname=systemone\0" \
109         "kernel_Off=0x00200000\0" \
110         "kernel_Off_fallback=0x03800000\0" \
111         "kernel_ram=0x21500000\0" \
112         "kernel_size=0x00400000\0" \
113         "kernel_size_fallback=0x00400000\0" \
114         "loads_echo=1\0" \
115         "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \
116                 "${kernel_size}\0" \
117         "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \
118                 "run nfsargs;run addip;upgrade_available;" \
119                 "bootm ${kernel_ram};reset\0" \
120         "netdev=eth0\0" \
121         "nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \
122                 "rw nfsroot=${serverip}:${rootpath} " \
123                 "at91sam9_wdt.wdt_timeout=16\0" \
124         "partitionset_active=A\0" \
125         "preboot=echo;echo Type 'run flash_self' to use kernel and root " \
126                 "filesystem on memory;echo Type 'run flash_nfs' to use " \
127                 "kernel from memory and root filesystem over NFS;echo Type " \
128                 "'run net_nfs' to get Kernel over TFTP and mount root " \
129                 "filesystem over NFS;echo\0" \
130         "project_dir=systemone\0" \
131         "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \
132         "rootfs=/dev/mtdblock5\0" \
133         "rootfs_fallback=/dev/mtdblock7\0" \
134         "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \
135                 "root=${rootfs} rootfstype=jffs2 panic=7 " \
136                 "at91sam9_wdt.wdt_timeout=16\0" \
137         "stderr=serial\0" \
138         "stdin=serial\0" \
139         "stdout=serial\0" \
140         "upgrade_available=0\0"
141 #endif
142 #endif /* #ifndef CONFIG_SPL_BUILD */
143
144 /* Defines for SPL */
145 #define CONFIG_SPL_MAX_SIZE             (31 * SZ_512)
146 #define CONFIG_SPL_STACK                (ATMEL_BASE_SRAM1 + SZ_16K)
147 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SYS_TEXT_BASE - \
148                                         CONFIG_SYS_MALLOC_LEN)
149 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
150
151 #define CONFIG_SPL_BSS_START_ADDR       CONFIG_SPL_MAX_SIZE
152 #define CONFIG_SPL_BSS_MAX_SIZE         (3 * SZ_512)
153
154 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL  (2*32 + 14)
155 #define CONFIG_SPL_NAND_RAW_ONLY
156 #define CONFIG_SPL_NAND_SOFTECC
157 #define CONFIG_SYS_NAND_U_BOOT_SIZE     SZ_512K
158 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
159 #define CONFIG_SYS_NAND_U_BOOT_DST      CONFIG_SYS_TEXT_BASE
160
161 #define CONFIG_SYS_NAND_SIZE            (256 * SZ_1M)
162 #define CONFIG_SYS_NAND_ECCSIZE         256
163 #define CONFIG_SYS_NAND_ECCBYTES        3
164 #define CONFIG_SYS_NAND_ECCPOS          { 40, 41, 42, 43, 44, 45, 46, 47, \
165                                           48, 49, 50, 51, 52, 53, 54, 55, \
166                                           56, 57, 58, 59, 60, 61, 62, 63, }
167
168 #define CONFIG_SYS_MASTER_CLOCK         132096000
169 #define AT91_PLL_LOCK_TIMEOUT           1000000
170 #define CONFIG_SYS_AT91_PLLA            0x202A3F01
171 #define CONFIG_SYS_MCKR                 0x1300
172 #define CONFIG_SYS_MCKR_CSS             (0x02 | CONFIG_SYS_MCKR)
173 #define CONFIG_SYS_AT91_PLLB            0x10193F05
174
175 #define CONFIG_SPL_PAD_TO               CONFIG_SYS_NAND_U_BOOT_OFFS
176 #define CONFIG_SYS_SPL_LEN              CONFIG_SPL_PAD_TO
177
178 #endif