1 /*
2  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
3  * (C) Copyright 2013 - 2018 Xilinx, Inc.
4  *
5  * Common configuration options for all Zynq boards.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __CONFIG_ZYNQ_COMMON_H
11 #define __CONFIG_ZYNQ_COMMON_H
12 
13 /* CPU clock */
14 #ifndef CONFIG_CPU_FREQ_HZ
15 # define CONFIG_CPU_FREQ_HZ	800000000
16 #endif
17 
18 /* Cache options */
19 #define CONFIG_SYS_L2CACHE_OFF
20 #ifndef CONFIG_SYS_L2CACHE_OFF
21 # define CONFIG_SYS_L2_PL310
22 # define CONFIG_SYS_PL310_BASE		0xf8f02000
23 #endif
24 
25 #define ZYNQ_SCUTIMER_BASEADDR		0xF8F00600
26 #define CONFIG_SYS_TIMERBASE		ZYNQ_SCUTIMER_BASEADDR
27 #define CONFIG_SYS_TIMER_COUNTS_DOWN
28 #define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMERBASE + 0x4)
29 
30 /* Serial drivers */
31 /* The following table includes the supported baudrates */
32 #define CONFIG_SYS_BAUDRATE_TABLE  \
33 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
34 
35 #define CONFIG_ARM_DCC
36 
37 /* Ethernet driver */
38 #if defined(CONFIG_ZYNQ_GEM)
39 # define CONFIG_MII
40 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
41 # define CONFIG_BOOTP_MAY_FAIL
42 #endif
43 
44 /* SPI */
45 #ifdef CONFIG_ZYNQ_SPI
46 #endif
47 
48 /* QSPI */
49 #ifdef CONFIG_ZYNQ_QSPI
50 # define CONFIG_SF_DEFAULT_SPEED	30000000
51 # define CONFIG_SPI_FLASH_ISSI
52 #endif
53 
54 /* NOR */
55 #ifdef CONFIG_MTD_NOR_FLASH
56 # define CONFIG_SYS_FLASH_BASE		0xE2000000
57 # define CONFIG_SYS_FLASH_SIZE		(16 * 1024 * 1024)
58 # define CONFIG_SYS_MAX_FLASH_BANKS	1
59 # define CONFIG_SYS_MAX_FLASH_SECT	512
60 # define CONFIG_SYS_FLASH_ERASE_TOUT	1000
61 # define CONFIG_SYS_FLASH_WRITE_TOUT	5000
62 # define CONFIG_FLASH_SHOW_PROGRESS	10
63 # define CONFIG_SYS_FLASH_CFI
64 # undef CONFIG_SYS_FLASH_EMPTY_INFO
65 # define CONFIG_FLASH_CFI_DRIVER
66 # undef CONFIG_SYS_FLASH_PROTECTION
67 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
68 #endif
69 
70 #ifdef CONFIG_NAND_ZYNQ
71 #define CONFIG_SYS_MAX_NAND_DEVICE	1
72 #define CONFIG_SYS_NAND_ONFI_DETECTION
73 #define CONFIG_MTD_DEVICE
74 #endif
75 
76 #ifdef CONFIG_USB_EHCI_ZYNQ
77 # define CONFIG_EHCI_IS_TDI
78 
79 # define CONFIG_SYS_DFU_DATA_BUF_SIZE	0x600000
80 # define DFU_DEFAULT_POLL_TIMEOUT	300
81 # define CONFIG_USB_CABLE_CHECK
82 # define CONFIG_THOR_RESET_OFF
83 # define DFU_ALT_INFO_RAM \
84 	"dfu_ram_info=" \
85 	"set dfu_alt_info " \
86 	"${kernel_image} ram 0x3000000 0x500000\\\\;" \
87 	"${devicetree_image} ram 0x2A00000 0x20000\\\\;" \
88 	"${ramdisk_image} ram 0x2000000 0x600000\0" \
89 	"dfu_ram=run dfu_ram_info && dfu 0 ram 0\0" \
90 	"thor_ram=run dfu_ram_info && thordown 0 ram 0\0"
91 
92 # if defined(CONFIG_MMC_SDHCI_ZYNQ)
93 #  define DFU_ALT_INFO_MMC \
94 	"dfu_mmc_info=" \
95 	"set dfu_alt_info " \
96 	"${kernel_image} fat 0 1\\\\;" \
97 	"${devicetree_image} fat 0 1\\\\;" \
98 	"${ramdisk_image} fat 0 1\0" \
99 	"dfu_mmc=run dfu_mmc_info && dfu 0 mmc 0\0" \
100 	"thor_mmc=run dfu_mmc_info && thordown 0 mmc 0\0"
101 
102 #  define DFU_ALT_INFO	\
103 	DFU_ALT_INFO_RAM \
104 	DFU_ALT_INFO_MMC
105 # else
106 #  define DFU_ALT_INFO	\
107 	DFU_ALT_INFO_RAM
108 # endif
109 #endif
110 
111 #if !defined(DFU_ALT_INFO)
112 # define DFU_ALT_INFO
113 #endif
114 
115 /* I2C */
116 #if defined(CONFIG_SYS_I2C_ZYNQ)
117 # define CONFIG_SYS_I2C
118 #endif
119 
120 /* EEPROM */
121 #ifdef CONFIG_ZYNQ_EEPROM
122 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
123 # define CONFIG_SYS_I2C_EEPROM_ADDR		0x54
124 # define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
125 # define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
126 # define CONFIG_SYS_EEPROM_SIZE			1024 /* Bytes */
127 #endif
128 
129 /* Total Size of Environment Sector */
130 #define CONFIG_ENV_SIZE			(128 << 10)
131 
132 /* Allow to overwrite serial and ethaddr */
133 #define CONFIG_ENV_OVERWRITE
134 
135 /* Environment */
136 #ifndef CONFIG_ENV_IS_NOWHERE
137 # define CONFIG_ENV_SECT_SIZE		CONFIG_ENV_SIZE
138 # define CONFIG_ENV_OFFSET		0xE0000
139 #endif
140 
141 /* enable preboot to be loaded before CONFIG_BOOTDELAY */
142 #define CONFIG_PREBOOT
143 
144 /* Boot configuration */
145 #define CONFIG_SYS_LOAD_ADDR		0 /* default? */
146 
147 /* Distro boot enablement */
148 
149 #ifdef CONFIG_SPL_BUILD
150 #define BOOTENV
151 #else
152 
153 #ifdef CONFIG_CMD_MMC
154 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
155 #else
156 #define BOOT_TARGET_DEVICES_MMC(func)
157 #endif
158 
159 #ifdef CONFIG_CMD_USB
160 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
161 #else
162 #define BOOT_TARGET_DEVICES_USB(func)
163 #endif
164 
165 #if defined(CONFIG_CMD_PXE)
166 #define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
167 #else
168 #define BOOT_TARGET_DEVICES_PXE(func)
169 #endif
170 
171 #if defined(CONFIG_CMD_DHCP)
172 #define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
173 #else
174 #define BOOT_TARGET_DEVICES_DHCP(func)
175 #endif
176 
177 #define BOOT_TARGET_DEVICES(func) \
178 	BOOT_TARGET_DEVICES_MMC(func) \
179 	BOOT_TARGET_DEVICES_USB(func) \
180 	BOOT_TARGET_DEVICES_PXE(func) \
181 	BOOT_TARGET_DEVICES_DHCP(func)
182 
183 #include <config_distro_bootcmd.h>
184 #endif /* CONFIG_SPL_BUILD */
185 
186 /* Default environment */
187 #ifndef CONFIG_EXTRA_ENV_SETTINGS
188 #define CONFIG_EXTRA_ENV_SETTINGS	\
189 	"fit_image=fit.itb\0"		\
190 	"load_addr=0x2000000\0"		\
191 	"fit_size=0x800000\0"		\
192 	"flash_off=0x100000\0"		\
193 	"nor_flash_off=0xE2100000\0"	\
194 	"fdt_high=0x20000000\0"		\
195 	"initrd_high=0x20000000\0"	\
196 	"loadbootenv_addr=0x2000000\0" \
197 	"fdt_addr_r=0x1f00000\0"        \
198 	"pxefile_addr_r=0x2000000\0"    \
199 	"kernel_addr_r=0x2000000\0"     \
200 	"scriptaddr=0x3000000\0"        \
201 	"ramdisk_addr_r=0x3100000\0"    \
202 	"bootenv=uEnv.txt\0" \
203 	"bootenv_dev=mmc\0" \
204 	"loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
205 	"importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
206 		"env import -t ${loadbootenv_addr} $filesize\0" \
207 	"bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
208 	"setbootenv=if env run bootenv_existence_test; then " \
209 			"if env run loadbootenv; then " \
210 				"env run importbootenv; " \
211 			"fi; " \
212 		"fi; \0" \
213 	"sd_loadbootenv=set bootenv_dev mmc && " \
214 			"run setbootenv \0" \
215 	"usb_loadbootenv=set bootenv_dev usb && usb start && run setbootenv \0" \
216 	"preboot=if test $modeboot = sdboot; then " \
217 			"run sd_loadbootenv; " \
218 			"echo Checking if uenvcmd is set ...; " \
219 			"if test -n $uenvcmd; then " \
220 				"echo Running uenvcmd ...; " \
221 				"run uenvcmd; " \
222 			"fi; " \
223 		"fi; \0" \
224 	"norboot=echo Copying FIT from NOR flash to RAM... && " \
225 		"cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
226 		"bootm ${load_addr}\0" \
227 	"sdboot=echo Copying FIT from SD to RAM... && " \
228 		"load mmc 0 ${load_addr} ${fit_image} && " \
229 		"bootm ${load_addr}\0" \
230 	"jtagboot=echo TFTPing FIT to RAM... && " \
231 		"tftpboot ${load_addr} ${fit_image} && " \
232 		"bootm ${load_addr}\0" \
233 	"usbboot=if usb start; then " \
234 			"echo Copying FIT from USB to RAM... && " \
235 			"load usb 0 ${load_addr} ${fit_image} && " \
236 			"bootm ${load_addr}; fi\0" \
237 		DFU_ALT_INFO \
238 		BOOTENV
239 #endif
240 
241 /* Miscellaneous configurable options */
242 
243 #define CONFIG_CLOCKS
244 #define CONFIG_SYS_MAXARGS		32 /* max number of command args */
245 
246 #ifndef CONFIG_NR_DRAM_BANKS
247 # define CONFIG_NR_DRAM_BANKS		1
248 #endif
249 
250 #define CONFIG_SYS_MEMTEST_START	0
251 #define CONFIG_SYS_MEMTEST_END		0x1000
252 
253 #define CONFIG_SYS_MALLOC_LEN		0x1400000
254 
255 #define CONFIG_SYS_INIT_RAM_ADDR	0xFFFF0000
256 #define CONFIG_SYS_INIT_RAM_SIZE	0x1000
257 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
258 					CONFIG_SYS_INIT_RAM_SIZE - \
259 					GENERATED_GBL_DATA_SIZE)
260 
261 
262 /* FIT support */
263 #define CONFIG_IMAGE_FORMAT_LEGACY /* enable also legacy image format */
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_SPL_SPI_LOAD
302 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x100000
303 #define CONFIG_SYS_SPI_ARGS_OFFS	0x200000
304 #define CONFIG_SYS_SPI_ARGS_SIZE	0x80000
305 #define CONFIG_SYS_SPI_KERNEL_OFFS	(CONFIG_SYS_SPI_ARGS_OFFS + \
306 					CONFIG_SYS_SPI_ARGS_SIZE)
307 #endif
308 
309 /* for booting directly linux */
310 
311 /* SP location before relocation, must use scratch RAM */
312 #define CONFIG_SPL_TEXT_BASE	0x0
313 
314 /* 3 * 64kB blocks of OCM - one is on the top because of bootrom */
315 #define CONFIG_SPL_MAX_SIZE	0x30000
316 
317 /* On the top of OCM space */
318 #define CONFIG_SYS_SPL_MALLOC_START	CONFIG_SPL_STACK_R_ADDR
319 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x2000000
320 
321 /*
322  * SPL stack position - and stack goes down
323  * 0xfffffe00 is used for putting wfi loop.
324  * Set it up as limit for now.
325  */
326 #define CONFIG_SPL_STACK	0xfffffe00
327 
328 /* BSS setup */
329 #define CONFIG_SPL_BSS_START_ADDR	0x100000
330 #define CONFIG_SPL_BSS_MAX_SIZE		0x100000
331 
332 #define CONFIG_SYS_UBOOT_START	CONFIG_SYS_TEXT_BASE
333 
334 #endif /* __CONFIG_ZYNQ_COMMON_H */
335