1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
4  * (C) Copyright 2013 - 2018 Xilinx, Inc.
5  *
6  * Common configuration options for all Zynq boards.
7  */
8 
9 #ifndef __CONFIG_ZYNQ_COMMON_H
10 #define __CONFIG_ZYNQ_COMMON_H
11 
12 /* CPU clock */
13 #ifndef CONFIG_CPU_FREQ_HZ
14 # define CONFIG_CPU_FREQ_HZ	800000000
15 #endif
16 
17 /* Cache options */
18 #define CONFIG_SYS_L2CACHE_OFF
19 #ifndef CONFIG_SYS_L2CACHE_OFF
20 # define CONFIG_SYS_L2_PL310
21 # define CONFIG_SYS_PL310_BASE		0xf8f02000
22 #endif
23 
24 #define ZYNQ_SCUTIMER_BASEADDR		0xF8F00600
25 #define CONFIG_SYS_TIMERBASE		ZYNQ_SCUTIMER_BASEADDR
26 #define CONFIG_SYS_TIMER_COUNTS_DOWN
27 #define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMERBASE + 0x4)
28 
29 /* Serial drivers */
30 /* The following table includes the supported baudrates */
31 #define CONFIG_SYS_BAUDRATE_TABLE  \
32 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
33 
34 #define CONFIG_ARM_DCC
35 
36 /* Ethernet driver */
37 #if defined(CONFIG_ZYNQ_GEM)
38 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
39 # define CONFIG_BOOTP_MAY_FAIL
40 #endif
41 
42 /* QSPI */
43 #ifdef CONFIG_ZYNQ_QSPI
44 # define CONFIG_SF_DEFAULT_SPEED	30000000
45 #endif
46 
47 /* NOR */
48 #ifdef CONFIG_MTD_NOR_FLASH
49 # define CONFIG_SYS_FLASH_BASE		0xE2000000
50 # define CONFIG_SYS_FLASH_SIZE		(16 * 1024 * 1024)
51 # define CONFIG_SYS_MAX_FLASH_BANKS	1
52 # define CONFIG_SYS_MAX_FLASH_SECT	512
53 # define CONFIG_SYS_FLASH_ERASE_TOUT	1000
54 # define CONFIG_SYS_FLASH_WRITE_TOUT	5000
55 # define CONFIG_FLASH_SHOW_PROGRESS	10
56 # undef CONFIG_SYS_FLASH_EMPTY_INFO
57 #endif
58 
59 #ifdef CONFIG_NAND_ZYNQ
60 #define CONFIG_SYS_MAX_NAND_DEVICE	1
61 #define CONFIG_SYS_NAND_ONFI_DETECTION
62 #endif
63 
64 #ifdef CONFIG_USB_EHCI_ZYNQ
65 # define CONFIG_EHCI_IS_TDI
66 
67 # define CONFIG_SYS_DFU_DATA_BUF_SIZE	0x600000
68 # define DFU_DEFAULT_POLL_TIMEOUT	300
69 # define CONFIG_USB_CABLE_CHECK
70 # define CONFIG_THOR_RESET_OFF
71 # define DFU_ALT_INFO_RAM \
72 	"dfu_ram_info=" \
73 	"set dfu_alt_info " \
74 	"${kernel_image} ram 0x3000000 0x500000\\\\;" \
75 	"${devicetree_image} ram 0x2A00000 0x20000\\\\;" \
76 	"${ramdisk_image} ram 0x2000000 0x600000\0" \
77 	"dfu_ram=run dfu_ram_info && dfu 0 ram 0\0" \
78 	"thor_ram=run dfu_ram_info && thordown 0 ram 0\0"
79 
80 # if defined(CONFIG_MMC_SDHCI_ZYNQ)
81 #  define DFU_ALT_INFO_MMC \
82 	"dfu_mmc_info=" \
83 	"set dfu_alt_info " \
84 	"${kernel_image} fat 0 1\\\\;" \
85 	"${devicetree_image} fat 0 1\\\\;" \
86 	"${ramdisk_image} fat 0 1\0" \
87 	"dfu_mmc=run dfu_mmc_info && dfu 0 mmc 0\0" \
88 	"thor_mmc=run dfu_mmc_info && thordown 0 mmc 0\0"
89 
90 #  define DFU_ALT_INFO	\
91 	DFU_ALT_INFO_RAM \
92 	DFU_ALT_INFO_MMC
93 # else
94 #  define DFU_ALT_INFO	\
95 	DFU_ALT_INFO_RAM
96 # endif
97 #endif
98 
99 #if !defined(DFU_ALT_INFO)
100 # define DFU_ALT_INFO
101 #endif
102 
103 /* I2C */
104 #if defined(CONFIG_SYS_I2C_ZYNQ)
105 # define CONFIG_SYS_I2C
106 #endif
107 
108 /* EEPROM */
109 #ifdef CONFIG_ZYNQ_EEPROM
110 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
111 # define CONFIG_SYS_I2C_EEPROM_ADDR		0x54
112 # define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
113 # define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
114 # define CONFIG_SYS_EEPROM_SIZE			1024 /* Bytes */
115 #endif
116 
117 /* Allow to overwrite serial and ethaddr */
118 #define CONFIG_ENV_OVERWRITE
119 
120 /* enable preboot to be loaded before CONFIG_BOOTDELAY */
121 #define CONFIG_PREBOOT
122 
123 /* Boot configuration */
124 #define CONFIG_SYS_LOAD_ADDR		0 /* default? */
125 
126 #ifdef CONFIG_SPL_BUILD
127 #define BOOTENV
128 #else
129 
130 #ifdef CONFIG_CMD_MMC
131 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
132 #else
133 #define BOOT_TARGET_DEVICES_MMC(func)
134 #endif
135 
136 #ifdef CONFIG_CMD_USB
137 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
138 #else
139 #define BOOT_TARGET_DEVICES_USB(func)
140 #endif
141 
142 #if defined(CONFIG_CMD_PXE) && defined(CONFIG_CMD_DHCP)
143 #define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
144 #else
145 #define BOOT_TARGET_DEVICES_PXE(func)
146 #endif
147 
148 #if defined(CONFIG_CMD_DHCP)
149 #define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
150 #else
151 #define BOOT_TARGET_DEVICES_DHCP(func)
152 #endif
153 
154 #define BOOT_TARGET_DEVICES(func) \
155 	BOOT_TARGET_DEVICES_MMC(func) \
156 	BOOT_TARGET_DEVICES_USB(func) \
157 	BOOT_TARGET_DEVICES_PXE(func) \
158 	BOOT_TARGET_DEVICES_DHCP(func)
159 
160 #include <config_distro_bootcmd.h>
161 #endif /* CONFIG_SPL_BUILD */
162 
163 /* Default environment */
164 #ifndef CONFIG_EXTRA_ENV_SETTINGS
165 #define CONFIG_EXTRA_ENV_SETTINGS	\
166 	"fit_image=fit.itb\0"		\
167 	"load_addr=0x2000000\0"		\
168 	"fit_size=0x800000\0"		\
169 	"flash_off=0x100000\0"		\
170 	"nor_flash_off=0xE2100000\0"	\
171 	"fdt_high=0x20000000\0"		\
172 	"initrd_high=0x20000000\0"	\
173 	"loadbootenv_addr=0x2000000\0" \
174 	"fdt_addr_r=0x1f00000\0"        \
175 	"pxefile_addr_r=0x2000000\0"    \
176 	"kernel_addr_r=0x2000000\0"     \
177 	"scriptaddr=0x3000000\0"        \
178 	"ramdisk_addr_r=0x3100000\0"    \
179 	"bootenv=uEnv.txt\0" \
180 	"bootenv_dev=mmc\0" \
181 	"loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
182 	"importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
183 		"env import -t ${loadbootenv_addr} $filesize\0" \
184 	"bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
185 	"setbootenv=if env run bootenv_existence_test; then " \
186 			"if env run loadbootenv; then " \
187 				"env run importbootenv; " \
188 			"fi; " \
189 		"fi; \0" \
190 	"sd_loadbootenv=set bootenv_dev mmc && " \
191 			"run setbootenv \0" \
192 	"usb_loadbootenv=set bootenv_dev usb && usb start && run setbootenv \0" \
193 	"preboot=if test $modeboot = sdboot; then " \
194 			"run sd_loadbootenv; " \
195 			"echo Checking if uenvcmd is set ...; " \
196 			"if test -n $uenvcmd; then " \
197 				"echo Running uenvcmd ...; " \
198 				"run uenvcmd; " \
199 			"fi; " \
200 		"fi; \0" \
201 	"norboot=echo Copying FIT from NOR flash to RAM... && " \
202 		"cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
203 		"bootm ${load_addr}\0" \
204 	"sdboot=echo Copying FIT from SD to RAM... && " \
205 		"load mmc 0 ${load_addr} ${fit_image} && " \
206 		"bootm ${load_addr}\0" \
207 	"jtagboot=echo TFTPing FIT to RAM... && " \
208 		"tftpboot ${load_addr} ${fit_image} && " \
209 		"bootm ${load_addr}\0" \
210 	"usbboot=if usb start; then " \
211 			"echo Copying FIT from USB to RAM... && " \
212 			"load usb 0 ${load_addr} ${fit_image} && " \
213 			"bootm ${load_addr}; fi\0" \
214 		DFU_ALT_INFO \
215 		BOOTENV
216 #endif
217 
218 /* Miscellaneous configurable options */
219 
220 #define CONFIG_CLOCKS
221 #define CONFIG_SYS_MAXARGS		32 /* max number of command args */
222 
223 #define CONFIG_SYS_MEMTEST_START	0
224 #define CONFIG_SYS_MEMTEST_END		0x1000
225 
226 #define CONFIG_SYS_INIT_RAM_ADDR	0xFFFF0000
227 #define CONFIG_SYS_INIT_RAM_SIZE	0x1000
228 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
229 					CONFIG_SYS_INIT_RAM_SIZE - \
230 					GENERATED_GBL_DATA_SIZE)
231 
232 
233 /* Extend size of kernel image for uncompression */
234 #define CONFIG_SYS_BOOTM_LEN	(60 * 1024 * 1024)
235 
236 /* Boot FreeBSD/vxWorks from an ELF image */
237 #define CONFIG_SYS_MMC_MAX_DEVICE	1
238 
239 #define CONFIG_SYS_LDSCRIPT  "arch/arm/mach-zynq/u-boot.lds"
240 
241 /* MMC support */
242 #ifdef CONFIG_MMC_SDHCI_ZYNQ
243 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION     1
244 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME     "u-boot.img"
245 #endif
246 
247 /* Disable dcache for SPL just for sure */
248 #ifdef CONFIG_SPL_BUILD
249 #define CONFIG_SYS_DCACHE_OFF
250 #endif
251 
252 /* Address in RAM where the parameters must be copied by SPL. */
253 #define CONFIG_SYS_SPL_ARGS_ADDR	0x10000000
254 
255 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"system.dtb"
256 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
257 
258 /* Not using MMC raw mode - just for compilation purpose */
259 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0
260 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0
261 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0
262 
263 /* qspi mode is working fine */
264 #ifdef CONFIG_ZYNQ_QSPI
265 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x100000
266 #define CONFIG_SYS_SPI_ARGS_OFFS	0x200000
267 #define CONFIG_SYS_SPI_ARGS_SIZE	0x80000
268 #define CONFIG_SYS_SPI_KERNEL_OFFS	(CONFIG_SYS_SPI_ARGS_OFFS + \
269 					CONFIG_SYS_SPI_ARGS_SIZE)
270 #endif
271 
272 /* SP location before relocation, must use scratch RAM */
273 #define CONFIG_SPL_TEXT_BASE	0x0
274 
275 /* 3 * 64kB blocks of OCM - one is on the top because of bootrom */
276 #define CONFIG_SPL_MAX_SIZE	0x30000
277 
278 /* On the top of OCM space */
279 #define CONFIG_SYS_SPL_MALLOC_START	CONFIG_SPL_STACK_R_ADDR
280 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x2000000
281 
282 /*
283  * SPL stack position - and stack goes down
284  * 0xfffffe00 is used for putting wfi loop.
285  * Set it up as limit for now.
286  */
287 #define CONFIG_SPL_STACK	0xfffffe00
288 
289 /* BSS setup */
290 #define CONFIG_SPL_BSS_START_ADDR	0x100000
291 #define CONFIG_SPL_BSS_MAX_SIZE		0x100000
292 
293 #define CONFIG_SPL_LOAD_FIT_ADDRESS 0x10000000
294 
295 #define CONFIG_SYS_UBOOT_START	CONFIG_SYS_TEXT_BASE
296 
297 #endif /* __CONFIG_ZYNQ_COMMON_H */
298