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karo: tx51: reduce DDR clock to 166 MHz for TX51-8xx1
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1 /*
2  * Copyright (C) 2012 <LW@KARO-electronics.de>
3  *
4  * SPDX-License-Identifier:      GPL-2.0
5  *
6  */
7
8 #ifndef __CONFIG_H
9 #define __CONFIG_H
10
11 #define CONFIG_MX51                     /* must be set before including imx-regs.h */
12
13 #include <asm/sizes.h>
14 #include <asm/arch/imx-regs.h>
15
16 /*
17  * Ka-Ro TX51 board - SoC configuration
18  */
19 #define CONFIG_SYS_MX5_IOMUX_V3
20 #define CONFIG_MXC_GPIO                 /* GPIO control */
21 #define CONFIG_SYS_MX5_HCLK             24000000
22 #define CONFIG_SYS_DDR_CLKSEL           0
23 #define CONFIG_SYS_HZ                   1000    /* Ticks per second */
24 #define CONFIG_SHOW_ACTIVITY
25 #define CONFIG_DISPLAY_BOARDINFO
26 #define CONFIG_BOARD_LATE_INIT
27 #define CONFIG_BOARD_EARLY_INIT_F
28
29 #if CONFIG_SYS_CPU_CLK == 600
30 #define TX51_MOD_PREFIX                 "6"
31 #elif CONFIG_SYS_CPU_CLK == 800
32 #define TX51_MOD_PREFIX                 "8"
33 #define CONFIG_MX51_PLL_ERRATA
34 #else
35 #error Invalid CPU clock
36 #endif
37
38 /* LCD Logo and Splash screen support */
39 #define CONFIG_LCD
40 #ifdef CONFIG_LCD
41 #define CONFIG_SPLASH_SCREEN
42 #define CONFIG_SPLASH_SCREEN_ALIGN
43 #define CONFIG_VIDEO_IPUV3
44 #define CONFIG_IPUV3_CLK                200000000
45 #define CONFIG_LCD_LOGO
46 #define LCD_BPP                         LCD_COLOR24
47 #define CONFIG_CMD_BMP
48 #define CONFIG_VIDEO_BMP_RLE8
49 #endif /* CONFIG_LCD */
50
51 /*
52  * Memory configurations
53  */
54 #ifndef CONFIG_SYS_SDRAM_CLK
55 #define CONFIG_SYS_SDRAM_CLK            166
56 #endif
57 #define PHYS_SDRAM_1                    0x90000000      /* Base address of bank 1 */
58 #define PHYS_SDRAM_1_SIZE               SZ_128M
59 #if CONFIG_NR_DRAM_BANKS > 1
60 #define PHYS_SDRAM_2                    0x98000000      /* Base address of bank 2 */
61 #define PHYS_SDRAM_2_SIZE               SZ_128M
62 #else
63 #define TX51_MOD_SUFFIX                 "0"
64 #endif
65 #define CONFIG_STACKSIZE                SZ_128K
66 #define CONFIG_SYS_MALLOC_LEN           SZ_8M
67 #define CONFIG_SYS_MEMTEST_START        PHYS_SDRAM_1    /* Memtest start address */
68 #define CONFIG_SYS_MEMTEST_END          (PHYS_SDRAM_1 + SZ_4M)  /* 4 MB RAM test */
69 #if CONFIG_SYS_SDRAM_CLK == 200
70 #define CONFIG_SYS_CLKTL_CBCDR          0x59e35180
71 #define TX51_MOD_SUFFIX                 "1"
72 #elif CONFIG_SYS_SDRAM_CLK == 166
73 #define CONFIG_SYS_CLKTL_CBCDR          0x01e35180
74 #ifndef TX51_MOD_SUFFIX
75 #define TX51_MOD_SUFFIX                 "2"
76 #endif
77 #else
78 #error Invalid SDRAM clock
79 #endif
80
81 /*
82  * U-Boot general configurations
83  */
84 #define CONFIG_SYS_LONGHELP
85 #define CONFIG_SYS_PROMPT               "TX51 U-Boot > "
86 #define CONFIG_SYS_CBSIZE               2048    /* Console I/O buffer size */
87 #define CONFIG_SYS_PBSIZE \
88         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
89                                                 /* Print buffer size */
90 #define CONFIG_SYS_MAXARGS              64      /* Max number of command args */
91 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
92                                                 /* Boot argument buffer size */
93 #define CONFIG_VERSION_VARIABLE                 /* U-BOOT version */
94 #define CONFIG_AUTO_COMPLETE                    /* Command auto complete */
95 #define CONFIG_CMDLINE_EDITING                  /* Command history etc */
96
97 #define CONFIG_SYS_64BIT_VSPRINTF
98 #define CONFIG_SYS_NO_FLASH
99
100 /*
101  * Flattened Device Tree (FDT) support
102 */
103 #define CONFIG_OF_LIBFDT
104 #define CONFIG_OF_BOARD_SETUP
105 #define CONFIG_DEFAULT_DEVICE_TREE      tx51
106 #define CONFIG_ARCH_DEVICE_TREE         mx51
107 #define CONFIG_SYS_FDT_ADDR             (PHYS_SDRAM_1 + SZ_16M)
108
109 /*
110  * Boot Linux
111  */
112 #define xstr(s)                         str(s)
113 #define str(s)                          #s
114 #define __pfx(x, s)                     (x##s)
115 #define _pfx(x, s)                      __pfx(x, s)
116
117 #define CONFIG_CMDLINE_TAG
118 #define CONFIG_SETUP_MEMORY_TAGS
119 #define CONFIG_BOOTDELAY                3
120 #define CONFIG_ZERO_BOOTDELAY_CHECK
121 #define CONFIG_SYS_AUTOLOAD             "no"
122 #define CONFIG_BOOTFILE                 "uImage"
123 #define CONFIG_BOOTARGS                 "console=ttymxc0,115200 ro debug panic=1"
124 #define CONFIG_BOOTCOMMAND              "run bootcmd_nand"
125 #define CONFIG_LOADADDR                 94000000
126 #define CONFIG_SYS_LOAD_ADDR            _pfx(0x, CONFIG_LOADADDR)
127 #define CONFIG_U_BOOT_IMG_SIZE          SZ_1M
128 #define CONFIG_HW_WATCHDOG
129
130 /*
131  * Extra Environments
132  */
133 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
134         "autostart=no\0"                                                \
135         "baseboard=stk5-v3\0"                                           \
136         "bootargs_mmc=run default_bootargs;set bootargs ${bootargs}"    \
137         " root=/dev/mmcblk0p3 rootwait\0"                               \
138         "bootargs_nand=run default_bootargs;set bootargs ${bootargs}"   \
139         " root=/dev/mtdblock3 rootfstype=jffs2\0"                       \
140         "nfsroot=/tftpboot/rootfs\0"                                    \
141         "bootargs_nfs=run default_bootargs;set bootargs ${bootargs}"    \
142         " root=/dev/nfs ip=dhcp nfsroot=${nfs_server}:${nfsroot},nolock\0"\
143         "bootcmd_mmc=set autostart no;run bootargs_mmc;"                \
144         "mmc read ${loadaddr} 100 3000;run bootm_cmd\0"                 \
145         "bootcmd_nand=set autostart no;run bootargs_nand;"              \
146         "nboot linux;run bootm_cmd\0"                                   \
147         "bootcmd_net=set autostart no;run bootargs_nfs;dhcp;"           \
148         "run bootm_cmd\0"                                               \
149         "bootm_cmd=bootm ${loadaddr} - ${fdtaddr}\0"                    \
150         "default_bootargs=set bootargs " CONFIG_BOOTARGS                \
151         " ${append_bootargs}\0"                                         \
152         "cpu_clk=" xstr(CONFIG_SYS_CPU_CLK) "\0"                        \
153         "fdtaddr=91000000\0"                                            \
154         "fdtsave=nand erase.part dtb;nand write ${fdtaddr} dtb ${fdtsize}\0" \
155         "mtdids=" MTDIDS_DEFAULT "\0"                                   \
156         "mtdparts=" MTDPARTS_DEFAULT "\0"                               \
157         "otg_mode=device\0"                                             \
158         "touchpanel=tsc2007\0"                                          \
159         "video_mode=VGA\0"
160
161 #define MTD_NAME                        "mxc_nand"
162 #define MTDIDS_DEFAULT                  "nand0=" MTD_NAME
163 #define CONFIG_FDT_FIXUP_PARTITIONS
164
165 /*
166  * U-Boot Commands
167  */
168 #include <config_cmd_default.h>
169 #define CONFIG_CMD_CACHE
170 #define CONFIG_CMD_MMC
171 #define CONFIG_CMD_NAND
172 #define CONFIG_CMD_MTDPARTS
173 #define CONFIG_CMD_BOOTCE
174 #define CONFIG_CMD_TIME
175 #define CONFIG_CMD_MEMTEST
176
177 /*
178  * Serial Driver
179  */
180 #define CONFIG_MXC_UART
181 #define CONFIG_MXC_UART_BASE            UART1_BASE
182 #define CONFIG_MXC_GPIO
183 #define CONFIG_BAUDRATE                 115200          /* Default baud rate */
184 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200, }
185 #define CONFIG_SYS_CONSOLE_INFO_QUIET
186
187 /*
188  * Ethernet Driver
189  */
190 #define CONFIG_FEC_MXC
191 #ifdef CONFIG_FEC_MXC
192 #define IMX_FEC_BASE                    FEC_BASE_ADDR
193 #define CONFIG_FEC_MXC_PHYADDR          0x1f
194 #define CONFIG_PHYLIB
195 #define CONFIG_PHY_SMSC
196 #define CONFIG_MII
197 #define CONFIG_FEC_XCV_TYPE             MII100
198 #define CONFIG_GET_FEC_MAC_ADDR_FROM_IIM
199 #define CONFIG_CMD_MII
200 #define CONFIG_CMD_DHCP
201 #define CONFIG_CMD_PING
202 /* Add for working with "strict" DHCP server */
203 #define CONFIG_BOOTP_SUBNETMASK
204 #define CONFIG_BOOTP_GATEWAY
205 #define CONFIG_BOOTP_DNS
206 #endif
207
208 /*
209  * NAND flash driver
210  */
211 #ifdef CONFIG_CMD_NAND
212 #define CONFIG_MTD_DEVICE
213 #define CONFIG_ENV_IS_IN_NAND
214 #define CONFIG_NAND_MXC
215 #define CONFIG_MXC_NAND_REGS_BASE       NFC_BASE_ADDR_AXI
216 #define CONFIG_MXC_NAND_IP_REGS_BASE    NFC_BASE_ADDR
217 #define CONFIG_MXC_NAND_HWECC
218 #define CONFIG_CMD_NAND_TRIMFFS
219 #define CONFIG_SYS_MAX_FLASH_SECT       1024
220 #define CONFIG_SYS_MAX_FLASH_BANKS      1
221 #define CONFIG_SYS_NAND_MAX_CHIPS       1
222 #define CONFIG_SYS_MAX_NAND_DEVICE      1
223 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
224 #define CONFIG_SYS_NAND_USE_FLASH_BBT
225 #ifdef CONFIG_ENV_IS_IN_NAND
226 #define CONFIG_ENV_OVERWRITE
227 #define CONFIG_ENV_OFFSET               CONFIG_U_BOOT_IMG_SIZE
228 #define CONFIG_ENV_SIZE                 0x20000 /* 128 KiB */
229 #define CONFIG_ENV_RANGE                0x60000
230 #endif
231 #ifndef CONFIG_SYS_NO_FLASH
232 #define CONFIG_CMD_FLASH
233 #define CONFIG_SYS_NAND_BASE            0xa0000000
234 #define CONFIG_FIT
235 #else
236 #define CONFIG_SYS_NAND_BASE            0x00000000
237 #define CONFIG_CMD_ROMUPDATE
238 #endif
239 #endif /* CONFIG_CMD_NAND */
240
241 /*
242  * MMC Driver
243  */
244 #ifdef CONFIG_CMD_MMC
245 #ifndef CONFIG_ENV_IS_IN_NAND
246 #define CONFIG_ENV_IS_IN_MMC
247 #endif
248 #define CONFIG_MMC
249 #define CONFIG_GENERIC_MMC
250 #define CONFIG_FSL_ESDHC
251 #define CONFIG_SYS_FSL_ESDHC_ADDR       0
252 #define CONFIG_SYS_FSL_ESDHC_NUM        2
253
254 #define CONFIG_DOS_PARTITION
255 #define CONFIG_CMD_FAT
256 #define CONFIG_CMD_EXT2
257
258 /*
259  * Environments on MMC
260  */
261 #ifdef CONFIG_ENV_IS_IN_MMC
262 #define CONFIG_SYS_MMC_ENV_DEV          0
263 #define CONFIG_ENV_OVERWRITE
264 /* Associated with the MMC layout defined in mmcops.c */
265 #define CONFIG_ENV_OFFSET               SZ_1K
266 #define CONFIG_ENV_SIZE                 (SZ_128K - CONFIG_ENV_OFFSET)
267 #define CONFIG_DYNAMIC_MMC_DEVNO
268 #endif /* CONFIG_ENV_IS_IN_MMC */
269 #endif /* CONFIG_CMD_MMC */
270
271 #ifdef CONFIG_ENV_OFFSET_REDUND
272 #define MTDPARTS_DEFAULT                "mtdparts=" MTD_NAME ":"        \
273         "1m(u-boot),"                                                   \
274         xstr(CONFIG_ENV_RANGE)                                          \
275         "(env),"                                                        \
276         xstr(CONFIG_ENV_RANGE)                                          \
277         "(env2),4m(linux),16m(rootfs),256k(dtb),?(userfs),512k@0x7f80000(bbt)ro"
278 #else
279 #define MTDPARTS_DEFAULT                "mtdparts=" MTD_NAME ":"        \
280         "1m(u-boot),"                                                   \
281         xstr(CONFIG_ENV_RANGE)                                          \
282         "(env),4m(linux),16m(rootfs),256k(dtb),?(userfs),512k@0x7f80000(bbt)ro"
283 #endif
284
285 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_1
286 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x1000 - /* Fix this */ \
287                                         GENERATED_GBL_DATA_SIZE)
288
289 #ifdef CONFIG_CMD_IIM
290 #define CONFIG_FSL_IIM
291 #endif
292
293 #endif /* __CONFIG_H */