1 /*
2  * Configuration for Versatile Express. Parts were derived from other ARM
3  *   configurations.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __VEXPRESS_AEMV8A_H
9 #define __VEXPRESS_AEMV8A_H
10 
11 /* We use generic board and device manager for v8 Versatile Express */
12 #define CONFIG_SYS_GENERIC_BOARD
13 
14 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
15 #ifndef CONFIG_SEMIHOSTING
16 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING
17 #endif
18 #define CONFIG_ARMV8_SWITCH_TO_EL1
19 #endif
20 
21 #define CONFIG_REMAKE_ELF
22 
23 #define CONFIG_SUPPORT_RAW_INITRD
24 
25 /* Cache Definitions */
26 #define CONFIG_SYS_DCACHE_OFF
27 #define CONFIG_SYS_ICACHE_OFF
28 
29 #define CONFIG_IDENT_STRING		" vexpress_aemv8a"
30 #define CONFIG_BOOTP_VCI_STRING		"U-boot.armv8.vexpress_aemv8a"
31 
32 /* Link Definitions */
33 #if defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) || \
34 	defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM)
35 /* ATF loads u-boot here for BASE_FVP model */
36 #define CONFIG_SYS_TEXT_BASE		0x88000000
37 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
38 #elif CONFIG_TARGET_VEXPRESS64_JUNO
39 #define CONFIG_SYS_TEXT_BASE		0xe0000000
40 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
41 #else
42 #error "Unknown board variant"
43 #endif
44 
45 #define CONFIG_SYS_BOOTM_LEN (64 << 20)      /* Increase max gunzip size */
46 
47 /* Flat Device Tree Definitions */
48 #define CONFIG_OF_LIBFDT
49 
50 /* CS register bases for the original memory map. */
51 #define V2M_PA_CS0			0x00000000
52 #define V2M_PA_CS1			0x14000000
53 #define V2M_PA_CS2			0x18000000
54 #define V2M_PA_CS3			0x1c000000
55 #define V2M_PA_CS4			0x0c000000
56 #define V2M_PA_CS5			0x10000000
57 
58 #define V2M_PERIPH_OFFSET(x)		(x << 16)
59 #define V2M_SYSREGS			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
60 #define V2M_SYSCTL			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
61 #define V2M_SERIAL_BUS_PCI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
62 
63 #define V2M_BASE			0x80000000
64 
65 /* Common peripherals relative to CS7. */
66 #define V2M_AACI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
67 #define V2M_MMCI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
68 #define V2M_KMI0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
69 #define V2M_KMI1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
70 
71 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
72 #define V2M_UART0			0x7ff80000
73 #define V2M_UART1			0x7ff70000
74 #else /* Not Juno */
75 #define V2M_UART0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
76 #define V2M_UART1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
77 #define V2M_UART2			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
78 #define V2M_UART3			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
79 #endif
80 
81 #define V2M_WDT				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
82 
83 #define V2M_TIMER01			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
84 #define V2M_TIMER23			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
85 
86 #define V2M_SERIAL_BUS_DVI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
87 #define V2M_RTC				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
88 
89 #define V2M_CF				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
90 
91 #define V2M_CLCD			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
92 
93 /* System register offsets. */
94 #define V2M_SYS_CFGDATA			(V2M_SYSREGS + 0x0a0)
95 #define V2M_SYS_CFGCTRL			(V2M_SYSREGS + 0x0a4)
96 #define V2M_SYS_CFGSTAT			(V2M_SYSREGS + 0x0a8)
97 
98 /* Generic Timer Definitions */
99 #define COUNTER_FREQUENCY		(0x1800000)	/* 24MHz */
100 
101 /* Generic Interrupt Controller Definitions */
102 #ifdef CONFIG_GICV3
103 #define GICD_BASE			(0x2f000000)
104 #define GICR_BASE			(0x2f100000)
105 #else
106 
107 #if defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) || \
108 	defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM)
109 #define GICD_BASE			(0x2f000000)
110 #define GICC_BASE			(0x2c000000)
111 #elif CONFIG_TARGET_VEXPRESS64_JUNO
112 #define GICD_BASE			(0x2C010000)
113 #define GICC_BASE			(0x2C02f000)
114 #else
115 #error "Unknown board variant"
116 #endif
117 #endif /* !CONFIG_GICV3 */
118 
119 /* Size of malloc() pool */
120 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (8 << 20))
121 
122 /* Ethernet Configuration */
123 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
124 /* The real hardware Versatile express uses SMSC9118 */
125 #define CONFIG_SMC911X			1
126 #define CONFIG_SMC911X_32_BIT		1
127 #define CONFIG_SMC911X_BASE		(0x018000000)
128 #else
129 /* The Vexpress64 simulators use SMSC91C111 */
130 #define CONFIG_SMC91111			1
131 #define CONFIG_SMC91111_BASE		(0x01A000000)
132 #endif
133 
134 /* PL011 Serial Configuration */
135 #define CONFIG_BAUDRATE			115200
136 #define CONFIG_CONS_INDEX		0
137 #define CONFIG_PL01X_SERIAL
138 #define CONFIG_PL011_SERIAL
139 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
140 #define CONFIG_PL011_CLOCK		7273800
141 #else
142 #define CONFIG_PL011_CLOCK		24000000
143 #endif
144 
145 /* Command line configuration */
146 #define CONFIG_MENU
147 /*#define CONFIG_MENU_SHOW*/
148 #define CONFIG_CMD_CACHE
149 #define CONFIG_CMD_BOOTI
150 #define CONFIG_CMD_UNZIP
151 #define CONFIG_CMD_DHCP
152 #define CONFIG_CMD_PXE
153 #define CONFIG_CMD_ENV
154 #define CONFIG_CMD_MII
155 #define CONFIG_CMD_PING
156 #define CONFIG_CMD_FAT
157 #define CONFIG_DOS_PARTITION
158 
159 /* BOOTP options */
160 #define CONFIG_BOOTP_BOOTFILESIZE
161 #define CONFIG_BOOTP_BOOTPATH
162 #define CONFIG_BOOTP_GATEWAY
163 #define CONFIG_BOOTP_HOSTNAME
164 #define CONFIG_BOOTP_PXE
165 #define CONFIG_BOOTP_PXE_CLIENTARCH	0x100
166 
167 /* Miscellaneous configurable options */
168 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x10000000)
169 
170 /* Physical Memory Map */
171 #define CONFIG_NR_DRAM_BANKS		2
172 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
173 #define PHYS_SDRAM_2			(0x880000000)
174 /* Top 16MB reserved for secure world use */
175 #define DRAM_SEC_SIZE		0x01000000
176 #define PHYS_SDRAM_1_SIZE	0x80000000 - DRAM_SEC_SIZE
177 #define PHYS_SDRAM_2_SIZE	0x180000000
178 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
179 
180 /* Enable memtest */
181 #define CONFIG_CMD_MEMTEST
182 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
183 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE)
184 
185 /* Initial environment variables */
186 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
187 /*
188  * Defines where the kernel and FDT exist in NOR flash and where it will
189  * be copied into DRAM
190  */
191 #define CONFIG_EXTRA_ENV_SETTINGS	\
192 				"kernel_name=norkern\0"	\
193 				"kernel_alt_name=Image\0"	\
194 				"kernel_addr=0x80000000\0" \
195 				"initrd_name=ramdisk.img\0"	\
196 				"initrd_addr=0x84000000\0"	\
197 				"fdt_name=board.dtb\0" \
198 				"fdt_alt_name=juno\0" \
199 				"fdt_addr=0x83000000\0" \
200 				"fdt_high=0xffffffffffffffff\0" \
201 				"initrd_high=0xffffffffffffffff\0" \
202 
203 /* Assume we boot with root on the first partition of a USB stick */
204 #define CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 " \
205 				"root=/dev/sda2 rw " \
206 				"rootwait "\
207 				"earlyprintk=pl011,0x7ff80000 debug "\
208 				"user_debug=31 "\
209 				"androidboot.hardware=juno "\
210 				"loglevel=9"
211 
212 /* Copy the kernel and FDT to DRAM memory and boot */
213 #define CONFIG_BOOTCOMMAND	"afs load ${kernel_name} ${kernel_addr} ; " \
214 				"if test $? -eq 1; then "\
215 				"  echo Loading ${kernel_alt_name} instead of "\
216 				"${kernel_name}; "\
217 				"  afs load ${kernel_alt_name} ${kernel_addr};"\
218 				"fi ; "\
219 				"afs load  ${fdt_name} ${fdt_addr} ; " \
220 				"if test $? -eq 1; then "\
221 				"  echo Loading ${fdt_alt_name} instead of "\
222 				"${fdt_name}; "\
223 				"  afs load ${fdt_alt_name} ${fdt_addr}; "\
224 				"fi ; "\
225 				"fdt addr ${fdt_addr}; fdt resize; " \
226 				"if afs load  ${initrd_name} ${initrd_addr} ; "\
227 				"then "\
228 				"  setenv initrd_param ${initrd_addr}; "\
229 				"  else setenv initrd_param -; "\
230 				"fi ; " \
231 				"booti ${kernel_addr} ${initrd_param} ${fdt_addr}"
232 
233 #define CONFIG_BOOTDELAY		1
234 
235 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP
236 #define CONFIG_EXTRA_ENV_SETTINGS	\
237 				"kernel_name=Image\0"		\
238 				"kernel_addr=0x80000000\0"	\
239 				"initrd_name=ramdisk.img\0"	\
240 				"initrd_addr=0x88000000\0"	\
241 				"fdt_name=devtree.dtb\0"	\
242 				"fdt_addr=0x83000000\0"		\
243 				"fdt_high=0xffffffffffffffff\0"	\
244 				"initrd_high=0xffffffffffffffff\0"
245 
246 #define CONFIG_BOOTARGS		"console=ttyAMA0 earlyprintk=pl011,"\
247 				"0x1c090000 debug user_debug=31 "\
248 				"loglevel=9"
249 
250 #define CONFIG_BOOTCOMMAND	"smhload ${kernel_name} ${kernel_addr}; " \
251 				"smhload ${fdt_name} ${fdt_addr}; " \
252 				"smhload ${initrd_name} ${initrd_addr} "\
253 				"initrd_end; " \
254 				"fdt addr ${fdt_addr}; fdt resize; " \
255 				"fdt chosen ${initrd_addr} ${initrd_end}; " \
256 				"booti $kernel_addr - $fdt_addr"
257 
258 #define CONFIG_BOOTDELAY		1
259 
260 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM
261 #define CONFIG_EXTRA_ENV_SETTINGS	\
262 				"kernel_addr=0x80080000\0"	\
263 				"initrd_addr=0x84000000\0"	\
264 				"fdt_addr=0x83000000\0"		\
265 				"fdt_high=0xffffffffffffffff\0"	\
266 				"initrd_high=0xffffffffffffffff\0"
267 
268 #define CONFIG_BOOTARGS		"console=ttyAMA0 earlyprintk=pl011,"\
269 				"0x1c090000 debug user_debug=31 "\
270 				"androidboot.hardware=fvpbase "\
271 				"root=/dev/vda2 rw "\
272 				"rootwait "\
273 				"loglevel=9"
274 
275 #define CONFIG_BOOTCOMMAND	"booti $kernel_addr $initrd_addr $fdt_addr"
276 
277 #define CONFIG_BOOTDELAY		1
278 
279 #else
280 #error "Unknown board variant"
281 #endif
282 
283 /* Do not preserve environment */
284 #define CONFIG_ENV_IS_NOWHERE		1
285 #define CONFIG_ENV_SIZE			0x1000
286 
287 /* Monitor Command Prompt */
288 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
289 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
290 					sizeof(CONFIG_SYS_PROMPT) + 16)
291 #define CONFIG_SYS_HUSH_PARSER
292 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
293 #define CONFIG_SYS_LONGHELP
294 #define CONFIG_CMDLINE_EDITING
295 #define CONFIG_SYS_MAXARGS		64	/* max command args */
296 
297 /* Flash memory is available on the Juno board only */
298 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO
299 #define CONFIG_SYS_NO_FLASH
300 #else
301 #define CONFIG_CMD_ARMFLASH
302 #define CONFIG_SYS_FLASH_CFI		1
303 #define CONFIG_FLASH_CFI_DRIVER		1
304 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_32BIT
305 #define CONFIG_SYS_FLASH_BASE		0x08000000
306 #define CONFIG_SYS_FLASH_SIZE		0x04000000 /* 64 MiB */
307 #define CONFIG_SYS_MAX_FLASH_BANKS	2
308 
309 /* Timeout values in ticks */
310 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
311 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
312 
313 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
314 #define CONFIG_SYS_MAX_FLASH_SECT	259		/* Max sectors */
315 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
316 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
317 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
318 
319 #endif
320 
321 #endif /* __VEXPRESS_AEMV8A_H */
322