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 /* MMU Definitions */
23 #define CONFIG_SYS_CACHELINE_SIZE	64
24 
25 #define CONFIG_IDENT_STRING		" vexpress_aemv8a"
26 #define CONFIG_BOOTP_VCI_STRING		"U-Boot.armv8.vexpress_aemv8a"
27 
28 /* Link Definitions */
29 #if defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) || \
30 	defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM)
31 /* ATF loads u-boot here for BASE_FVP model */
32 #define CONFIG_SYS_TEXT_BASE		0x88000000
33 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
34 #elif CONFIG_TARGET_VEXPRESS64_JUNO
35 #define CONFIG_SYS_TEXT_BASE		0xe0000000
36 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
37 #endif
38 
39 #define CONFIG_SYS_BOOTM_LEN (64 << 20)      /* Increase max gunzip size */
40 
41 /* CS register bases for the original memory map. */
42 #define V2M_PA_CS0			0x00000000
43 #define V2M_PA_CS1			0x14000000
44 #define V2M_PA_CS2			0x18000000
45 #define V2M_PA_CS3			0x1c000000
46 #define V2M_PA_CS4			0x0c000000
47 #define V2M_PA_CS5			0x10000000
48 
49 #define V2M_PERIPH_OFFSET(x)		(x << 16)
50 #define V2M_SYSREGS			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
51 #define V2M_SYSCTL			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
52 #define V2M_SERIAL_BUS_PCI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
53 
54 #define V2M_BASE			0x80000000
55 
56 /* Common peripherals relative to CS7. */
57 #define V2M_AACI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
58 #define V2M_MMCI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
59 #define V2M_KMI0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
60 #define V2M_KMI1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
61 
62 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
63 #define V2M_UART0			0x7ff80000
64 #define V2M_UART1			0x7ff70000
65 #else /* Not Juno */
66 #define V2M_UART0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
67 #define V2M_UART1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
68 #define V2M_UART2			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
69 #define V2M_UART3			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
70 #endif
71 
72 #define V2M_WDT				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
73 
74 #define V2M_TIMER01			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
75 #define V2M_TIMER23			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
76 
77 #define V2M_SERIAL_BUS_DVI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
78 #define V2M_RTC				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
79 
80 #define V2M_CF				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
81 
82 #define V2M_CLCD			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
83 
84 /* System register offsets. */
85 #define V2M_SYS_CFGDATA			(V2M_SYSREGS + 0x0a0)
86 #define V2M_SYS_CFGCTRL			(V2M_SYSREGS + 0x0a4)
87 #define V2M_SYS_CFGSTAT			(V2M_SYSREGS + 0x0a8)
88 
89 /* Generic Timer Definitions */
90 #define COUNTER_FREQUENCY		(0x1800000)	/* 24MHz */
91 
92 /* Generic Interrupt Controller Definitions */
93 #ifdef CONFIG_GICV3
94 #define GICD_BASE			(0x2f000000)
95 #define GICR_BASE			(0x2f100000)
96 #else
97 
98 #if defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) || \
99 	defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM)
100 #define GICD_BASE			(0x2f000000)
101 #define GICC_BASE			(0x2c000000)
102 #elif CONFIG_TARGET_VEXPRESS64_JUNO
103 #define GICD_BASE			(0x2C010000)
104 #define GICC_BASE			(0x2C02f000)
105 #endif
106 #endif /* !CONFIG_GICV3 */
107 
108 /* Size of malloc() pool */
109 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (8 << 20))
110 
111 /* Ethernet Configuration */
112 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
113 /* The real hardware Versatile express uses SMSC9118 */
114 #define CONFIG_SMC911X			1
115 #define CONFIG_SMC911X_32_BIT		1
116 #define CONFIG_SMC911X_BASE		(0x018000000)
117 #else
118 /* The Vexpress64 simulators use SMSC91C111 */
119 #define CONFIG_SMC91111			1
120 #define CONFIG_SMC91111_BASE		(0x01A000000)
121 #endif
122 
123 /* PL011 Serial Configuration */
124 #define CONFIG_BAUDRATE			115200
125 #define CONFIG_CONS_INDEX		0
126 #define CONFIG_PL01X_SERIAL
127 #define CONFIG_PL011_SERIAL
128 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
129 #define CONFIG_PL011_CLOCK		7273800
130 #else
131 #define CONFIG_PL011_CLOCK		24000000
132 #endif
133 
134 /* Command line configuration */
135 #define CONFIG_MENU
136 /*#define CONFIG_MENU_SHOW*/
137 #define CONFIG_CMD_BOOTI
138 #define CONFIG_CMD_UNZIP
139 #define CONFIG_CMD_PXE
140 #define CONFIG_CMD_ENV
141 #define CONFIG_DOS_PARTITION
142 
143 /* BOOTP options */
144 #define CONFIG_BOOTP_BOOTFILESIZE
145 #define CONFIG_BOOTP_BOOTPATH
146 #define CONFIG_BOOTP_GATEWAY
147 #define CONFIG_BOOTP_HOSTNAME
148 #define CONFIG_BOOTP_PXE
149 #define CONFIG_BOOTP_PXE_CLIENTARCH	0x100
150 
151 /* Miscellaneous configurable options */
152 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x10000000)
153 
154 /* Physical Memory Map */
155 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
156 /* Top 16MB reserved for secure world use */
157 #define DRAM_SEC_SIZE		0x01000000
158 #define PHYS_SDRAM_1_SIZE	0x80000000 - DRAM_SEC_SIZE
159 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
160 
161 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
162 #define CONFIG_NR_DRAM_BANKS		2
163 #define PHYS_SDRAM_2			(0x880000000)
164 #define PHYS_SDRAM_2_SIZE		0x180000000
165 #else
166 #define CONFIG_NR_DRAM_BANKS		1
167 #endif
168 
169 /* Enable memtest */
170 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
171 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE)
172 
173 /* Initial environment variables */
174 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
175 /*
176  * Defines where the kernel and FDT exist in NOR flash and where it will
177  * be copied into DRAM
178  */
179 #define CONFIG_EXTRA_ENV_SETTINGS	\
180 				"kernel_name=norkern\0"	\
181 				"kernel_alt_name=Image\0"	\
182 				"kernel_addr=0x80080000\0" \
183 				"initrd_name=ramdisk.img\0"	\
184 				"initrd_addr=0x84000000\0"	\
185 				"fdtfile=board.dtb\0" \
186 				"fdt_alt_name=juno\0" \
187 				"fdt_addr=0x83000000\0" \
188 				"fdt_high=0xffffffffffffffff\0" \
189 				"initrd_high=0xffffffffffffffff\0" \
190 
191 /* Assume we boot with root on the first partition of a USB stick */
192 #define CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 " \
193 				"root=/dev/sda2 rw " \
194 				"rootwait "\
195 				"earlyprintk=pl011,0x7ff80000 debug "\
196 				"user_debug=31 "\
197 				"androidboot.hardware=juno "\
198 				"loglevel=9"
199 
200 /* Copy the kernel and FDT to DRAM memory and boot */
201 #define CONFIG_BOOTCOMMAND	"afs load ${kernel_name} ${kernel_addr} ; " \
202 				"if test $? -eq 1; then "\
203 				"  echo Loading ${kernel_alt_name} instead of "\
204 				"${kernel_name}; "\
205 				"  afs load ${kernel_alt_name} ${kernel_addr};"\
206 				"fi ; "\
207 				"afs load  ${fdtfile} ${fdt_addr} ; " \
208 				"if test $? -eq 1; then "\
209 				"  echo Loading ${fdt_alt_name} instead of "\
210 				"${fdtfile}; "\
211 				"  afs load ${fdt_alt_name} ${fdt_addr}; "\
212 				"fi ; "\
213 				"fdt addr ${fdt_addr}; fdt resize; " \
214 				"if afs load  ${initrd_name} ${initrd_addr} ; "\
215 				"then "\
216 				"  setenv initrd_param ${initrd_addr}; "\
217 				"  else setenv initrd_param -; "\
218 				"fi ; " \
219 				"booti ${kernel_addr} ${initrd_param} ${fdt_addr}"
220 
221 #define CONFIG_BOOTDELAY		1
222 
223 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP
224 #define CONFIG_EXTRA_ENV_SETTINGS	\
225 				"kernel_name=Image\0"		\
226 				"kernel_addr=0x80080000\0"	\
227 				"initrd_name=ramdisk.img\0"	\
228 				"initrd_addr=0x88000000\0"	\
229 				"fdtfile=devtree.dtb\0"		\
230 				"fdt_addr=0x83000000\0"		\
231 				"fdt_high=0xffffffffffffffff\0"	\
232 				"initrd_high=0xffffffffffffffff\0"
233 
234 #define CONFIG_BOOTARGS		"console=ttyAMA0 earlyprintk=pl011,"\
235 				"0x1c090000 debug user_debug=31 "\
236 				"loglevel=9"
237 
238 #define CONFIG_BOOTCOMMAND	"smhload ${kernel_name} ${kernel_addr}; " \
239 				"smhload ${fdtfile} ${fdt_addr}; " \
240 				"smhload ${initrd_name} ${initrd_addr} "\
241 				"initrd_end; " \
242 				"fdt addr ${fdt_addr}; fdt resize; " \
243 				"fdt chosen ${initrd_addr} ${initrd_end}; " \
244 				"booti $kernel_addr - $fdt_addr"
245 
246 #define CONFIG_BOOTDELAY		1
247 
248 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM
249 #define CONFIG_EXTRA_ENV_SETTINGS	\
250 				"kernel_addr=0x80080000\0"	\
251 				"initrd_addr=0x84000000\0"	\
252 				"fdt_addr=0x83000000\0"		\
253 				"fdt_high=0xffffffffffffffff\0"	\
254 				"initrd_high=0xffffffffffffffff\0"
255 
256 #define CONFIG_BOOTARGS		"console=ttyAMA0 earlyprintk=pl011,"\
257 				"0x1c090000 debug user_debug=31 "\
258 				"androidboot.hardware=fvpbase "\
259 				"root=/dev/vda2 rw "\
260 				"rootwait "\
261 				"loglevel=9"
262 
263 #define CONFIG_BOOTCOMMAND	"booti $kernel_addr $initrd_addr $fdt_addr"
264 
265 #define CONFIG_BOOTDELAY		1
266 
267 #endif
268 
269 /* Monitor Command Prompt */
270 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
271 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
272 					sizeof(CONFIG_SYS_PROMPT) + 16)
273 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
274 #define CONFIG_SYS_LONGHELP
275 #define CONFIG_CMDLINE_EDITING
276 #define CONFIG_SYS_MAXARGS		64	/* max command args */
277 
278 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
279 #define CONFIG_SYS_FLASH_BASE		0x08000000
280 /* 255 x 256KiB sectors + 4 x 64KiB sectors at the end = 259 */
281 #define CONFIG_SYS_MAX_FLASH_SECT	259
282 /* Store environment at top of flash in the same location as blank.img */
283 /* in the Juno firmware. */
284 #define CONFIG_ENV_ADDR			0x0BFC0000
285 #define CONFIG_ENV_SECT_SIZE		0x00010000
286 #else
287 #define CONFIG_SYS_FLASH_BASE		0x0C000000
288 /* 256 x 256KiB sectors */
289 #define CONFIG_SYS_MAX_FLASH_SECT	256
290 /* Store environment at top of flash */
291 #define CONFIG_ENV_ADDR			0x0FFC0000
292 #define CONFIG_ENV_SECT_SIZE		0x00040000
293 #endif
294 
295 #define CONFIG_SYS_FLASH_CFI		1
296 #define CONFIG_FLASH_CFI_DRIVER		1
297 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_32BIT
298 #define CONFIG_SYS_MAX_FLASH_BANKS	1
299 
300 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
301 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
302 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
303 #define FLASH_MAX_SECTOR_SIZE		0x00040000
304 #define CONFIG_ENV_SIZE			CONFIG_ENV_SECT_SIZE
305 #define CONFIG_ENV_IS_IN_FLASH		1
306 
307 #endif /* __VEXPRESS_AEMV8A_H */
308