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_MII
39 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
40 # define CONFIG_BOOTP_MAY_FAIL
41 #endif
42 
43 /* SPI */
44 #ifdef CONFIG_ZYNQ_SPI
45 #endif
46 
47 /* QSPI */
48 #ifdef CONFIG_ZYNQ_QSPI
49 # define CONFIG_SF_DEFAULT_SPEED	30000000
50 # define CONFIG_SPI_FLASH_ISSI
51 #endif
52 
53 /* NOR */
54 #ifdef CONFIG_MTD_NOR_FLASH
55 # define CONFIG_SYS_FLASH_BASE		0xE2000000
56 # define CONFIG_SYS_FLASH_SIZE		(16 * 1024 * 1024)
57 # define CONFIG_SYS_MAX_FLASH_BANKS	1
58 # define CONFIG_SYS_MAX_FLASH_SECT	512
59 # define CONFIG_SYS_FLASH_ERASE_TOUT	1000
60 # define CONFIG_SYS_FLASH_WRITE_TOUT	5000
61 # define CONFIG_FLASH_SHOW_PROGRESS	10
62 # define CONFIG_SYS_FLASH_CFI
63 # undef CONFIG_SYS_FLASH_EMPTY_INFO
64 # define CONFIG_FLASH_CFI_DRIVER
65 # undef CONFIG_SYS_FLASH_PROTECTION
66 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
67 #endif
68 
69 #ifdef CONFIG_NAND_ZYNQ
70 #define CONFIG_SYS_MAX_NAND_DEVICE	1
71 #define CONFIG_SYS_NAND_ONFI_DETECTION
72 #define CONFIG_MTD_DEVICE
73 #endif
74 
75 #ifdef CONFIG_USB_EHCI_ZYNQ
76 # define CONFIG_EHCI_IS_TDI
77 
78 # define CONFIG_SYS_DFU_DATA_BUF_SIZE	0x600000
79 # define DFU_DEFAULT_POLL_TIMEOUT	300
80 # define CONFIG_USB_CABLE_CHECK
81 # define CONFIG_THOR_RESET_OFF
82 # define DFU_ALT_INFO_RAM \
83 	"dfu_ram_info=" \
84 	"set dfu_alt_info " \
85 	"${kernel_image} ram 0x3000000 0x500000\\\\;" \
86 	"${devicetree_image} ram 0x2A00000 0x20000\\\\;" \
87 	"${ramdisk_image} ram 0x2000000 0x600000\0" \
88 	"dfu_ram=run dfu_ram_info && dfu 0 ram 0\0" \
89 	"thor_ram=run dfu_ram_info && thordown 0 ram 0\0"
90 
91 # if defined(CONFIG_MMC_SDHCI_ZYNQ)
92 #  define DFU_ALT_INFO_MMC \
93 	"dfu_mmc_info=" \
94 	"set dfu_alt_info " \
95 	"${kernel_image} fat 0 1\\\\;" \
96 	"${devicetree_image} fat 0 1\\\\;" \
97 	"${ramdisk_image} fat 0 1\0" \
98 	"dfu_mmc=run dfu_mmc_info && dfu 0 mmc 0\0" \
99 	"thor_mmc=run dfu_mmc_info && thordown 0 mmc 0\0"
100 
101 #  define DFU_ALT_INFO	\
102 	DFU_ALT_INFO_RAM \
103 	DFU_ALT_INFO_MMC
104 # else
105 #  define DFU_ALT_INFO	\
106 	DFU_ALT_INFO_RAM
107 # endif
108 #endif
109 
110 #if !defined(DFU_ALT_INFO)
111 # define DFU_ALT_INFO
112 #endif
113 
114 /* I2C */
115 #if defined(CONFIG_SYS_I2C_ZYNQ)
116 # define CONFIG_SYS_I2C
117 #endif
118 
119 /* EEPROM */
120 #ifdef CONFIG_ZYNQ_EEPROM
121 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
122 # define CONFIG_SYS_I2C_EEPROM_ADDR		0x54
123 # define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
124 # define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
125 # define CONFIG_SYS_EEPROM_SIZE			1024 /* Bytes */
126 #endif
127 
128 /* Total Size of Environment Sector */
129 #ifndef CONFIG_ENV_SIZE
130 # define CONFIG_ENV_SIZE			(128 << 10)
131 #endif
132 
133 /* Allow to overwrite serial and ethaddr */
134 #define CONFIG_ENV_OVERWRITE
135 
136 /* Environment */
137 #ifndef CONFIG_ENV_IS_NOWHERE
138 # define CONFIG_ENV_SECT_SIZE		CONFIG_ENV_SIZE
139 # ifndef CONFIG_ENV_OFFSET
140 #  define CONFIG_ENV_OFFSET		0xE0000
141 # endif
142 #endif
143 
144 /* enable preboot to be loaded before CONFIG_BOOTDELAY */
145 #define CONFIG_PREBOOT
146 
147 /* Boot configuration */
148 #define CONFIG_SYS_LOAD_ADDR		0 /* default? */
149 
150 /* Distro boot enablement */
151 
152 #ifdef CONFIG_SPL_BUILD
153 #define BOOTENV
154 #else
155 
156 #ifdef CONFIG_CMD_MMC
157 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
158 #else
159 #define BOOT_TARGET_DEVICES_MMC(func)
160 #endif
161 
162 #ifdef CONFIG_CMD_USB
163 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
164 #else
165 #define BOOT_TARGET_DEVICES_USB(func)
166 #endif
167 
168 #if defined(CONFIG_CMD_PXE) && defined(CONFIG_CMD_DHCP)
169 #define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
170 #else
171 #define BOOT_TARGET_DEVICES_PXE(func)
172 #endif
173 
174 #if defined(CONFIG_CMD_DHCP)
175 #define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
176 #else
177 #define BOOT_TARGET_DEVICES_DHCP(func)
178 #endif
179 
180 #define BOOT_TARGET_DEVICES(func) \
181 	BOOT_TARGET_DEVICES_MMC(func) \
182 	BOOT_TARGET_DEVICES_USB(func) \
183 	BOOT_TARGET_DEVICES_PXE(func) \
184 	BOOT_TARGET_DEVICES_DHCP(func)
185 
186 #include <config_distro_bootcmd.h>
187 #endif /* CONFIG_SPL_BUILD */
188 
189 /* Default environment */
190 #ifndef CONFIG_EXTRA_ENV_SETTINGS
191 #define CONFIG_EXTRA_ENV_SETTINGS	\
192 	"fit_image=fit.itb\0"		\
193 	"load_addr=0x2000000\0"		\
194 	"fit_size=0x800000\0"		\
195 	"flash_off=0x100000\0"		\
196 	"nor_flash_off=0xE2100000\0"	\
197 	"fdt_high=0x20000000\0"		\
198 	"initrd_high=0x20000000\0"	\
199 	"loadbootenv_addr=0x2000000\0" \
200 	"fdt_addr_r=0x1f00000\0"        \
201 	"pxefile_addr_r=0x2000000\0"    \
202 	"kernel_addr_r=0x2000000\0"     \
203 	"scriptaddr=0x3000000\0"        \
204 	"ramdisk_addr_r=0x3100000\0"    \
205 	"bootenv=uEnv.txt\0" \
206 	"bootenv_dev=mmc\0" \
207 	"loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
208 	"importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
209 		"env import -t ${loadbootenv_addr} $filesize\0" \
210 	"bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
211 	"setbootenv=if env run bootenv_existence_test; then " \
212 			"if env run loadbootenv; then " \
213 				"env run importbootenv; " \
214 			"fi; " \
215 		"fi; \0" \
216 	"sd_loadbootenv=set bootenv_dev mmc && " \
217 			"run setbootenv \0" \
218 	"usb_loadbootenv=set bootenv_dev usb && usb start && run setbootenv \0" \
219 	"preboot=if test $modeboot = sdboot; then " \
220 			"run sd_loadbootenv; " \
221 			"echo Checking if uenvcmd is set ...; " \
222 			"if test -n $uenvcmd; then " \
223 				"echo Running uenvcmd ...; " \
224 				"run uenvcmd; " \
225 			"fi; " \
226 		"fi; \0" \
227 	"norboot=echo Copying FIT from NOR flash to RAM... && " \
228 		"cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
229 		"bootm ${load_addr}\0" \
230 	"sdboot=echo Copying FIT from SD to RAM... && " \
231 		"load mmc 0 ${load_addr} ${fit_image} && " \
232 		"bootm ${load_addr}\0" \
233 	"jtagboot=echo TFTPing FIT to RAM... && " \
234 		"tftpboot ${load_addr} ${fit_image} && " \
235 		"bootm ${load_addr}\0" \
236 	"usbboot=if usb start; then " \
237 			"echo Copying FIT from USB to RAM... && " \
238 			"load usb 0 ${load_addr} ${fit_image} && " \
239 			"bootm ${load_addr}; fi\0" \
240 		DFU_ALT_INFO \
241 		BOOTENV
242 #endif
243 
244 /* Miscellaneous configurable options */
245 
246 #define CONFIG_CLOCKS
247 #define CONFIG_SYS_MAXARGS		32 /* max number of command args */
248 
249 #ifndef CONFIG_NR_DRAM_BANKS
250 # define CONFIG_NR_DRAM_BANKS		1
251 #endif
252 
253 #define CONFIG_SYS_MEMTEST_START	0
254 #define CONFIG_SYS_MEMTEST_END		0x1000
255 
256 #define CONFIG_SYS_MALLOC_LEN		0x1400000
257 
258 #define CONFIG_SYS_INIT_RAM_ADDR	0xFFFF0000
259 #define CONFIG_SYS_INIT_RAM_SIZE	0x1000
260 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
261 					CONFIG_SYS_INIT_RAM_SIZE - \
262 					GENERATED_GBL_DATA_SIZE)
263 
264 
265 /* Extend size of kernel image for uncompression */
266 #define CONFIG_SYS_BOOTM_LEN	(60 * 1024 * 1024)
267 
268 /* Boot FreeBSD/vxWorks from an ELF image */
269 #define CONFIG_SYS_MMC_MAX_DEVICE	1
270 
271 #define CONFIG_SYS_LDSCRIPT  "arch/arm/mach-zynq/u-boot.lds"
272 
273 /* Commands */
274 
275 /* SPL part */
276 
277 /* MMC support */
278 #ifdef CONFIG_MMC_SDHCI_ZYNQ
279 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION     1
280 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME     "u-boot.img"
281 #endif
282 
283 /* Disable dcache for SPL just for sure */
284 #ifdef CONFIG_SPL_BUILD
285 #define CONFIG_SYS_DCACHE_OFF
286 #endif
287 
288 /* Address in RAM where the parameters must be copied by SPL. */
289 #define CONFIG_SYS_SPL_ARGS_ADDR	0x10000000
290 
291 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"system.dtb"
292 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
293 
294 /* Not using MMC raw mode - just for compilation purpose */
295 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0
296 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0
297 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0
298 
299 /* qspi mode is working fine */
300 #ifdef CONFIG_ZYNQ_QSPI
301 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x100000
302 #define CONFIG_SYS_SPI_ARGS_OFFS	0x200000
303 #define CONFIG_SYS_SPI_ARGS_SIZE	0x80000
304 #define CONFIG_SYS_SPI_KERNEL_OFFS	(CONFIG_SYS_SPI_ARGS_OFFS + \
305 					CONFIG_SYS_SPI_ARGS_SIZE)
306 #endif
307 
308 /* for booting directly linux */
309 
310 /* SP location before relocation, must use scratch RAM */
311 #define CONFIG_SPL_TEXT_BASE	0x0
312 
313 /* 3 * 64kB blocks of OCM - one is on the top because of bootrom */
314 #define CONFIG_SPL_MAX_SIZE	0x30000
315 
316 /* On the top of OCM space */
317 #define CONFIG_SYS_SPL_MALLOC_START	CONFIG_SPL_STACK_R_ADDR
318 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x2000000
319 
320 /*
321  * SPL stack position - and stack goes down
322  * 0xfffffe00 is used for putting wfi loop.
323  * Set it up as limit for now.
324  */
325 #define CONFIG_SPL_STACK	0xfffffe00
326 
327 /* BSS setup */
328 #define CONFIG_SPL_BSS_START_ADDR	0x100000
329 #define CONFIG_SPL_BSS_MAX_SIZE		0x100000
330 
331 #define CONFIG_SYS_UBOOT_START	CONFIG_SYS_TEXT_BASE
332 
333 #endif /* __CONFIG_ZYNQ_COMMON_H */
334