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 #define CONFIG_DM
12 
13 /* We use generic board for v8 Versatile Express */
14 #define CONFIG_SYS_GENERIC_BOARD
15 
16 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
17 #ifndef CONFIG_SEMIHOSTING
18 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING
19 #endif
20 #define CONFIG_ARMV8_SWITCH_TO_EL1
21 #endif
22 
23 #define CONFIG_REMAKE_ELF
24 
25 #define CONFIG_SUPPORT_RAW_INITRD
26 
27 /* Cache Definitions */
28 #define CONFIG_SYS_DCACHE_OFF
29 #define CONFIG_SYS_ICACHE_OFF
30 
31 #define CONFIG_IDENT_STRING		" vexpress_aemv8a"
32 #define CONFIG_BOOTP_VCI_STRING		"U-boot.armv8.vexpress_aemv8a"
33 
34 /* Link Definitions */
35 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
36 /* ATF loads u-boot here for BASE_FVP model */
37 #define CONFIG_SYS_TEXT_BASE		0x88000000
38 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
39 #elif CONFIG_TARGET_VEXPRESS64_JUNO
40 #define CONFIG_SYS_TEXT_BASE		0xe0000000
41 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
42 #else
43 #error "Unknown board variant"
44 #endif
45 
46 /* Flat Device Tree Definitions */
47 #define CONFIG_OF_LIBFDT
48 
49 /* CS register bases for the original memory map. */
50 #define V2M_PA_CS0			0x00000000
51 #define V2M_PA_CS1			0x14000000
52 #define V2M_PA_CS2			0x18000000
53 #define V2M_PA_CS3			0x1c000000
54 #define V2M_PA_CS4			0x0c000000
55 #define V2M_PA_CS5			0x10000000
56 
57 #define V2M_PERIPH_OFFSET(x)		(x << 16)
58 #define V2M_SYSREGS			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
59 #define V2M_SYSCTL			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
60 #define V2M_SERIAL_BUS_PCI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
61 
62 #define V2M_BASE			0x80000000
63 
64 /* Common peripherals relative to CS7. */
65 #define V2M_AACI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
66 #define V2M_MMCI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
67 #define V2M_KMI0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
68 #define V2M_KMI1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
69 
70 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
71 #define V2M_UART0			0x7ff80000
72 #define V2M_UART1			0x7ff70000
73 #else /* Not Juno */
74 #define V2M_UART0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
75 #define V2M_UART1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
76 #define V2M_UART2			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
77 #define V2M_UART3			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
78 #endif
79 
80 #define V2M_WDT				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
81 
82 #define V2M_TIMER01			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
83 #define V2M_TIMER23			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
84 
85 #define V2M_SERIAL_BUS_DVI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
86 #define V2M_RTC				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
87 
88 #define V2M_CF				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
89 
90 #define V2M_CLCD			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
91 
92 /* System register offsets. */
93 #define V2M_SYS_CFGDATA			(V2M_SYSREGS + 0x0a0)
94 #define V2M_SYS_CFGCTRL			(V2M_SYSREGS + 0x0a4)
95 #define V2M_SYS_CFGSTAT			(V2M_SYSREGS + 0x0a8)
96 
97 /* Generic Timer Definitions */
98 #define COUNTER_FREQUENCY		(0x1800000)	/* 24MHz */
99 
100 /* Generic Interrupt Controller Definitions */
101 #ifdef CONFIG_GICV3
102 #define GICD_BASE			(0x2f000000)
103 #define GICR_BASE			(0x2f100000)
104 #else
105 
106 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
107 #define GICD_BASE			(0x2f000000)
108 #define GICC_BASE			(0x2c000000)
109 #elif CONFIG_TARGET_VEXPRESS64_JUNO
110 #define GICD_BASE			(0x2C010000)
111 #define GICC_BASE			(0x2C02f000)
112 #else
113 #error "Unknown board variant"
114 #endif
115 #endif /* !CONFIG_GICV3 */
116 
117 #define CONFIG_SYS_MEMTEST_START	V2M_BASE
118 #define CONFIG_SYS_MEMTEST_END		(V2M_BASE + 0x80000000)
119 
120 /* Size of malloc() pool */
121 #define CONFIG_SYS_MALLOC_F_LEN		0x2000
122 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (8 << 20))
123 
124 /* Ethernet Configuration */
125 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
126 /* The real hardware Versatile express uses SMSC9118 */
127 #define CONFIG_SMC911X			1
128 #define CONFIG_SMC911X_32_BIT		1
129 #define CONFIG_SMC911X_BASE		(0x018000000)
130 #else
131 /* The Vexpress64 simulators use SMSC91C111 */
132 #define CONFIG_SMC91111			1
133 #define CONFIG_SMC91111_BASE		(0x01A000000)
134 #endif
135 
136 /* PL011 Serial Configuration */
137 #define CONFIG_BAUDRATE			115200
138 #ifdef CONFIG_DM
139 #define CONFIG_DM_SERIAL
140 #define CONFIG_PL01X_SERIAL
141 #else
142 #define CONFIG_SYS_SERIAL0		V2M_UART0
143 #define CONFIG_SYS_SERIAL1		V2M_UART1
144 #define CONFIG_CONS_INDEX		0
145 #define CONFIG_PL011_SERIAL
146 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
147 #define CONFIG_PL011_CLOCK		7273800
148 #else
149 #define CONFIG_PL011_CLOCK		24000000
150 #endif
151 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
152 					 (void *)CONFIG_SYS_SERIAL1}
153 #endif
154 
155 #define CONFIG_BAUDRATE			115200
156 #define CONFIG_SYS_SERIAL0		V2M_UART0
157 #define CONFIG_SYS_SERIAL1		V2M_UART1
158 
159 /* Command line configuration */
160 #define CONFIG_MENU
161 /*#define CONFIG_MENU_SHOW*/
162 #define CONFIG_CMD_CACHE
163 #define CONFIG_CMD_BDI
164 #define CONFIG_CMD_BOOTI
165 #define CONFIG_CMD_UNZIP
166 #define CONFIG_CMD_DHCP
167 #define CONFIG_CMD_PXE
168 #define CONFIG_CMD_ENV
169 #define CONFIG_CMD_IMI
170 #define CONFIG_CMD_LOADB
171 #define CONFIG_CMD_MEMORY
172 #define CONFIG_CMD_MII
173 #define CONFIG_CMD_NET
174 #define CONFIG_CMD_PING
175 #define CONFIG_CMD_SAVEENV
176 #define CONFIG_CMD_RUN
177 #define CONFIG_CMD_BOOTD
178 #define CONFIG_CMD_ECHO
179 #define CONFIG_CMD_SOURCE
180 #define CONFIG_CMD_FAT
181 #define CONFIG_DOS_PARTITION
182 
183 /* BOOTP options */
184 #define CONFIG_BOOTP_BOOTFILESIZE
185 #define CONFIG_BOOTP_BOOTPATH
186 #define CONFIG_BOOTP_GATEWAY
187 #define CONFIG_BOOTP_HOSTNAME
188 #define CONFIG_BOOTP_PXE
189 #define CONFIG_BOOTP_PXE_CLIENTARCH	0x100
190 
191 /* Miscellaneous configurable options */
192 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x10000000)
193 
194 /* Physical Memory Map */
195 #define CONFIG_NR_DRAM_BANKS		1
196 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
197 #define PHYS_SDRAM_1_SIZE		0x80000000	/* 2048 MB */
198 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
199 
200 /* Initial environment variables */
201 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
202 /*
203  * Defines where the kernel and FDT exist in NOR flash and where it will
204  * be copied into DRAM
205  */
206 #define CONFIG_EXTRA_ENV_SETTINGS	\
207 				"kernel_name=Image\0"	\
208 				"kernel_addr=0x80000000\0" \
209 				"fdt_name=juno\0" \
210 				"fdt_addr=0x83000000\0" \
211 				"fdt_high=0xffffffffffffffff\0" \
212 				"initrd_high=0xffffffffffffffff\0" \
213 
214 /* Assume we boot with root on the first partition of a USB stick */
215 #define CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 " \
216 				"root=/dev/sda1 rw " \
217 				"earlyprintk=pl011,0x7ff80000 debug user_debug=31 "\
218 				"loglevel=9"
219 
220 /* Copy the kernel and FDT to DRAM memory and boot */
221 #define CONFIG_BOOTCOMMAND	"afs load ${kernel_name} ${kernel_addr} ; " \
222 				"afs load  ${fdt_name} ${fdt_addr} ; " \
223 				"fdt addr ${fdt_addr}; fdt resize; " \
224 				"booti ${kernel_addr} - ${fdt_addr}"
225 
226 #define CONFIG_BOOTDELAY		1
227 
228 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP
229 #define CONFIG_EXTRA_ENV_SETTINGS	\
230 				"kernel_name=uImage\0"		\
231 				"kernel_addr=0x80000000\0"	\
232 				"initrd_name=ramdisk.img\0"	\
233 				"initrd_addr=0x88000000\0"	\
234 				"fdt_name=devtree.dtb\0"	\
235 				"fdt_addr=0x83000000\0"		\
236 				"fdt_high=0xffffffffffffffff\0"	\
237 				"initrd_high=0xffffffffffffffff\0"
238 
239 #define CONFIG_BOOTARGS		"console=ttyAMA0 earlyprintk=pl011,"\
240 				"0x1c090000 debug user_debug=31 "\
241 				"loglevel=9"
242 
243 #define CONFIG_BOOTCOMMAND	"smhload ${kernel_name} ${kernel_addr}; " \
244 				"smhload ${fdt_name} $fdt_addr; " \
245 				"smhload ${initrd_name} $initrd_addr initrd_end; " \
246 				"fdt addr $fdt_addr; fdt resize; " \
247 				"fdt chosen $initrd_addr $initrd_end; " \
248 				"bootm $kernel_addr - $fdt_addr"
249 
250 #define CONFIG_BOOTDELAY		1
251 
252 #else
253 #error "Unknown board variant"
254 #endif
255 
256 /* Do not preserve environment */
257 #define CONFIG_ENV_IS_NOWHERE		1
258 #define CONFIG_ENV_SIZE			0x1000
259 
260 /* Monitor Command Prompt */
261 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
262 #define CONFIG_SYS_PROMPT		"VExpress64# "
263 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
264 					sizeof(CONFIG_SYS_PROMPT) + 16)
265 #define CONFIG_SYS_HUSH_PARSER
266 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
267 #define CONFIG_SYS_LONGHELP
268 #define CONFIG_CMDLINE_EDITING
269 #define CONFIG_SYS_MAXARGS		64	/* max command args */
270 
271 /* Flash memory is available on the Juno board only */
272 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO
273 #define CONFIG_SYS_NO_FLASH
274 #else
275 #define CONFIG_CMD_FLASH
276 #define CONFIG_CMD_ARMFLASH
277 #define CONFIG_SYS_FLASH_CFI		1
278 #define CONFIG_FLASH_CFI_DRIVER		1
279 #define CONFIG_SYS_FLASH_BASE		0x08000000
280 #define CONFIG_SYS_FLASH_SIZE		0x04000000 /* 64 MiB */
281 #define CONFIG_SYS_MAX_FLASH_BANKS	2
282 
283 /* Timeout values in ticks */
284 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
285 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
286 
287 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
288 #define CONFIG_SYS_MAX_FLASH_SECT	259		/* Max sectors */
289 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
290 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
291 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
292 
293 #endif
294 
295 #endif /* __VEXPRESS_AEMV8A_H */
296