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