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