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