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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 /* We use generic board and device manager for v8 Versatile Express */
12 #define CONFIG_SYS_GENERIC_BOARD
13 #define CONFIG_DM
14
15 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
16 #ifndef CONFIG_SEMIHOSTING
17 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING
18 #endif
19 #define CONFIG_ARMV8_SWITCH_TO_EL1
20 #endif
21
22 #define CONFIG_REMAKE_ELF
23
24 #define CONFIG_SUPPORT_RAW_INITRD
25
26 /* Cache Definitions */
27 #define CONFIG_SYS_DCACHE_OFF
28 #define CONFIG_SYS_ICACHE_OFF
29
30 #define CONFIG_IDENT_STRING " vexpress_aemv8a"
31 #define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a"
32
33 /* Link Definitions */
34 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
35 /* ATF loads u-boot here for BASE_FVP model */
36 #define CONFIG_SYS_TEXT_BASE 0x88000000
37 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
38 #elif CONFIG_TARGET_VEXPRESS64_JUNO
39 #define CONFIG_SYS_TEXT_BASE 0xe0000000
40 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
41 #else
42 #error "Unknown board variant"
43 #endif
44
45 /* Flat Device Tree Definitions */
46 #define CONFIG_OF_LIBFDT
47
48 /* CS register bases for the original memory map. */
49 #define V2M_PA_CS0 0x00000000
50 #define V2M_PA_CS1 0x14000000
51 #define V2M_PA_CS2 0x18000000
52 #define V2M_PA_CS3 0x1c000000
53 #define V2M_PA_CS4 0x0c000000
54 #define V2M_PA_CS5 0x10000000
55
56 #define V2M_PERIPH_OFFSET(x) (x << 16)
57 #define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
58 #define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
59 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
60
61 #define V2M_BASE 0x80000000
62
63 /* Common peripherals relative to CS7. */
64 #define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
65 #define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
66 #define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
67 #define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
68
69 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
70 #define V2M_UART0 0x7ff80000
71 #define V2M_UART1 0x7ff70000
72 #else /* Not Juno */
73 #define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
74 #define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
75 #define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
76 #define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
77 #endif
78
79 #define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
80
81 #define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
82 #define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
83
84 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
85 #define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
86
87 #define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
88
89 #define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
90
91 /* System register offsets. */
92 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
93 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
94 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
95
96 /* Generic Timer Definitions */
97 #define COUNTER_FREQUENCY (0x1800000) /* 24MHz */
98
99 /* Generic Interrupt Controller Definitions */
100 #ifdef CONFIG_GICV3
101 #define GICD_BASE (0x2f000000)
102 #define GICR_BASE (0x2f100000)
103 #else
104
105 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
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_F_LEN 0x2000
118 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 << 20))
119
120 /* Ethernet Configuration */
121 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
122 /* The real hardware Versatile express uses SMSC9118 */
123 #define CONFIG_SMC911X 1
124 #define CONFIG_SMC911X_32_BIT 1
125 #define CONFIG_SMC911X_BASE (0x018000000)
126 #else
127 /* The Vexpress64 simulators use SMSC91C111 */
128 #define CONFIG_SMC91111 1
129 #define CONFIG_SMC91111_BASE (0x01A000000)
130 #endif
131
132 /* PL011 Serial Configuration */
133 #define CONFIG_DM_SERIAL
134 #define CONFIG_BAUDRATE 115200
135 #define CONFIG_CONS_INDEX 0
136 #define CONFIG_PL01X_SERIAL
137 #define CONFIG_PL011_SERIAL
138 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
139 #define CONFIG_PL011_CLOCK 7273800
140 #else
141 #define CONFIG_PL011_CLOCK 24000000
142 #endif
143
144 /* Command line configuration */
145 #define CONFIG_MENU
146 /*#define CONFIG_MENU_SHOW*/
147 #define CONFIG_CMD_CACHE
148 #define CONFIG_CMD_BDI
149 #define CONFIG_CMD_BOOTI
150 #define CONFIG_CMD_UNZIP
151 #define CONFIG_CMD_DHCP
152 #define CONFIG_CMD_PXE
153 #define CONFIG_CMD_ENV
154 #define CONFIG_CMD_IMI
155 #define CONFIG_CMD_LOADB
156 #define CONFIG_CMD_MEMORY
157 #define CONFIG_CMD_MII
158 #define CONFIG_CMD_NET
159 #define CONFIG_CMD_PING
160 #define CONFIG_CMD_SAVEENV
161 #define CONFIG_CMD_RUN
162 #define CONFIG_CMD_BOOTD
163 #define CONFIG_CMD_ECHO
164 #define CONFIG_CMD_SOURCE
165 #define CONFIG_CMD_FAT
166 #define CONFIG_DOS_PARTITION
167
168 /* BOOTP options */
169 #define CONFIG_BOOTP_BOOTFILESIZE
170 #define CONFIG_BOOTP_BOOTPATH
171 #define CONFIG_BOOTP_GATEWAY
172 #define CONFIG_BOOTP_HOSTNAME
173 #define CONFIG_BOOTP_PXE
174 #define CONFIG_BOOTP_PXE_CLIENTARCH 0x100
175
176 /* Miscellaneous configurable options */
177 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000)
178
179 /* Physical Memory Map */
180 #define CONFIG_NR_DRAM_BANKS 1
181 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
182 /* Top 16MB reserved for secure world use */
183 #define DRAM_SEC_SIZE 0x01000000
184 #define PHYS_SDRAM_1_SIZE 0x80000000 - DRAM_SEC_SIZE
185 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
186
187 /* Enable memtest */
188 #define CONFIG_CMD_MEMTEST
189 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1
190 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE)
191
192 /* Initial environment variables */
193 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
194 /*
195 * Defines where the kernel and FDT exist in NOR flash and where it will
196 * be copied into DRAM
197 */
198 #define CONFIG_EXTRA_ENV_SETTINGS \
199 "kernel_name=Image\0" \
200 "kernel_addr=0x80000000\0" \
201 "fdt_name=juno\0" \
202 "fdt_addr=0x83000000\0" \
203 "fdt_high=0xffffffffffffffff\0" \
204 "initrd_high=0xffffffffffffffff\0" \
205
206 /* Assume we boot with root on the first partition of a USB stick */
207 #define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 " \
208 "root=/dev/sda1 rw " \
209 "rootwait "\
210 "earlyprintk=pl011,0x7ff80000 debug user_debug=31 "\
211 "loglevel=9"
212
213 /* Copy the kernel and FDT to DRAM memory and boot */
214 #define CONFIG_BOOTCOMMAND "afs load ${kernel_name} ${kernel_addr} ; " \
215 "afs load ${fdt_name} ${fdt_addr} ; " \
216 "fdt addr ${fdt_addr}; fdt resize; " \
217 "booti ${kernel_addr} - ${fdt_addr}"
218
219 #define CONFIG_BOOTDELAY 1
220
221 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP
222 #define CONFIG_EXTRA_ENV_SETTINGS \
223 "kernel_name=uImage\0" \
224 "kernel_addr=0x80000000\0" \
225 "initrd_name=ramdisk.img\0" \
226 "initrd_addr=0x88000000\0" \
227 "fdt_name=devtree.dtb\0" \
228 "fdt_addr=0x83000000\0" \
229 "fdt_high=0xffffffffffffffff\0" \
230 "initrd_high=0xffffffffffffffff\0"
231
232 #define CONFIG_BOOTARGS "console=ttyAMA0 earlyprintk=pl011,"\
233 "0x1c090000 debug user_debug=31 "\
234 "loglevel=9"
235
236 #define CONFIG_BOOTCOMMAND "smhload ${kernel_name} ${kernel_addr}; " \
237 "smhload ${fdt_name} $fdt_addr; " \
238 "smhload ${initrd_name} $initrd_addr initrd_end; " \
239 "fdt addr $fdt_addr; fdt resize; " \
240 "fdt chosen $initrd_addr $initrd_end; " \
241 "bootm $kernel_addr - $fdt_addr"
242
243 #define CONFIG_BOOTDELAY 1
244
245 #else
246 #error "Unknown board variant"
247 #endif
248
249 /* Do not preserve environment */
250 #define CONFIG_ENV_IS_NOWHERE 1
251 #define CONFIG_ENV_SIZE 0x1000
252
253 /* Monitor Command Prompt */
254 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
255 #define CONFIG_SYS_PROMPT "VExpress64# "
256 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
257 sizeof(CONFIG_SYS_PROMPT) + 16)
258 #define CONFIG_SYS_HUSH_PARSER
259 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
260 #define CONFIG_SYS_LONGHELP
261 #define CONFIG_CMDLINE_EDITING
262 #define CONFIG_SYS_MAXARGS 64 /* max command args */
263
264 /* Flash memory is available on the Juno board only */
265 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO
266 #define CONFIG_SYS_NO_FLASH
267 #else
268 #define CONFIG_CMD_FLASH
269 #define CONFIG_CMD_ARMFLASH
270 #define CONFIG_SYS_FLASH_CFI 1
271 #define CONFIG_FLASH_CFI_DRIVER 1
272 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_32BIT
273 #define CONFIG_SYS_FLASH_BASE 0x08000000
274 #define CONFIG_SYS_FLASH_SIZE 0x04000000 /* 64 MiB */
275 #define CONFIG_SYS_MAX_FLASH_BANKS 2
276
277 /* Timeout values in ticks */
278 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
279 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */
280
281 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
282 #define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */
283 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
284 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */
285 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
286
287 #endif
288
289 #endif /* __VEXPRESS_AEMV8A_H */