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