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