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