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 for v8 Versatile Express */
12 #define CONFIG_SYS_GENERIC_BOARD
13 
14 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
15 #ifndef CONFIG_SEMIHOSTING
16 #error CONFIG_TARGET_VEXPRESS64_BASE_FVP requires CONFIG_SEMIHOSTING
17 #endif
18 #define CONFIG_BOARD_LATE_INIT
19 #define CONFIG_ARMV8_SWITCH_TO_EL1
20 #endif
21 
22 #define CONFIG_REMAKE_ELF
23 
24 #if !defined(CONFIG_TARGET_VEXPRESS64_BASE_FVP) && \
25     !defined(CONFIG_TARGET_VEXPRESS64_JUNO)
26 /* Base FVP and Juno not using GICv3 yet */
27 #define CONFIG_GICV3
28 #endif
29 
30 /*#define CONFIG_ARMV8_SWITCH_TO_EL1*/
31 
32 #define CONFIG_SUPPORT_RAW_INITRD
33 
34 /* Cache Definitions */
35 #define CONFIG_SYS_DCACHE_OFF
36 #define CONFIG_SYS_ICACHE_OFF
37 
38 #define CONFIG_IDENT_STRING		" vexpress_aemv8a"
39 #define CONFIG_BOOTP_VCI_STRING		"U-boot.armv8.vexpress_aemv8a"
40 
41 /* Link Definitions */
42 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
43 /* ATF loads u-boot here for BASE_FVP model */
44 #define CONFIG_SYS_TEXT_BASE		0x88000000
45 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
46 #elif CONFIG_TARGET_VEXPRESS64_JUNO
47 #define CONFIG_SYS_TEXT_BASE		0xe0000000
48 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
49 #else
50 #define CONFIG_SYS_TEXT_BASE		0x80000000
51 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
52 #endif
53 
54 /* Flat Device Tree Definitions */
55 #define CONFIG_OF_LIBFDT
56 
57 /* CS register bases for the original memory map. */
58 #define V2M_PA_CS0			0x00000000
59 #define V2M_PA_CS1			0x14000000
60 #define V2M_PA_CS2			0x18000000
61 #define V2M_PA_CS3			0x1c000000
62 #define V2M_PA_CS4			0x0c000000
63 #define V2M_PA_CS5			0x10000000
64 
65 #define V2M_PERIPH_OFFSET(x)		(x << 16)
66 #define V2M_SYSREGS			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
67 #define V2M_SYSCTL			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
68 #define V2M_SERIAL_BUS_PCI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
69 
70 #define V2M_BASE			0x80000000
71 
72 /* Common peripherals relative to CS7. */
73 #define V2M_AACI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
74 #define V2M_MMCI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
75 #define V2M_KMI0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
76 #define V2M_KMI1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
77 
78 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
79 #define V2M_UART0			0x7ff80000
80 #define V2M_UART1			0x7ff70000
81 #else /* Not Juno */
82 #define V2M_UART0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
83 #define V2M_UART1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
84 #define V2M_UART2			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
85 #define V2M_UART3			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
86 #endif
87 
88 #define V2M_WDT				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
89 
90 #define V2M_TIMER01			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
91 #define V2M_TIMER23			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
92 
93 #define V2M_SERIAL_BUS_DVI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
94 #define V2M_RTC				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
95 
96 #define V2M_CF				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
97 
98 #define V2M_CLCD			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
99 
100 /* System register offsets. */
101 #define V2M_SYS_CFGDATA			(V2M_SYSREGS + 0x0a0)
102 #define V2M_SYS_CFGCTRL			(V2M_SYSREGS + 0x0a4)
103 #define V2M_SYS_CFGSTAT			(V2M_SYSREGS + 0x0a8)
104 
105 /* Generic Timer Definitions */
106 #define COUNTER_FREQUENCY		(0x1800000)	/* 24MHz */
107 
108 /* Generic Interrupt Controller Definitions */
109 #ifdef CONFIG_GICV3
110 #define GICD_BASE			(0x2f000000)
111 #define GICR_BASE			(0x2f100000)
112 #else
113 
114 #ifdef CONFIG_TARGET_VEXPRESS64_BASE_FVP
115 #define GICD_BASE			(0x2f000000)
116 #define GICC_BASE			(0x2c000000)
117 #elif CONFIG_TARGET_VEXPRESS64_JUNO
118 #define GICD_BASE			(0x2C010000)
119 #define GICC_BASE			(0x2C02f000)
120 #else
121 #define GICD_BASE			(0x2C001000)
122 #define GICC_BASE			(0x2C002000)
123 #endif
124 #endif
125 
126 #define CONFIG_SYS_MEMTEST_START	V2M_BASE
127 #define CONFIG_SYS_MEMTEST_END		(V2M_BASE + 0x80000000)
128 
129 /* Size of malloc() pool */
130 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (8 << 20))
131 
132 /* Ethernet Configuration */
133 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
134 /* The real hardware Versatile express uses SMSC9118 */
135 #define CONFIG_SMC911X			1
136 #define CONFIG_SMC911X_32_BIT		1
137 #define CONFIG_SMC911X_BASE		(0x018000000)
138 #else
139 /* The Vexpress64 simulators use SMSC91C111 */
140 #define CONFIG_SMC91111			1
141 #define CONFIG_SMC91111_BASE		(0x01A000000)
142 #endif
143 
144 /* PL011 Serial Configuration */
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 #define CONFIG_CONS_INDEX		0
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_BASE_FVP
202 #define CONFIG_EXTRA_ENV_SETTINGS	\
203 				"kernel_name=uImage\0"	\
204 				"kernel_addr_r=0x80000000\0"	\
205 				"initrd_name=ramdisk.img\0"	\
206 				"initrd_addr_r=0x88000000\0"	\
207 				"fdt_name=devtree.dtb\0"		\
208 				"fdt_addr_r=0x83000000\0"		\
209 				"fdt_high=0xffffffffffffffff\0"	\
210 				"initrd_high=0xffffffffffffffff\0"
211 
212 #define CONFIG_BOOTARGS		"console=ttyAMA0 earlyprintk=pl011,"\
213 				"0x1c090000 debug user_debug=31 "\
214 				"loglevel=9"
215 
216 #define CONFIG_BOOTCOMMAND	"fdt addr $fdt_addr_r; fdt resize; " \
217 				"fdt chosen $initrd_addr_r $initrd_end; " \
218 				"bootm $kernel_addr_r - $fdt_addr_r"
219 
220 #define CONFIG_BOOTDELAY		1
221 
222 #else
223 
224 #define CONFIG_EXTRA_ENV_SETTINGS	\
225 					"kernel_addr_r=0x80000000\0"	\
226 					"initrd_addr_r=0x88000000\0"	\
227 					"fdt_addr_r=0x83000000\0"		\
228 					"fdt_high=0xa0000000\0"
229 
230 #define CONFIG_BOOTARGS			"console=ttyAMA0,115200n8 root=/dev/ram0"
231 #define CONFIG_BOOTCOMMAND		"bootm $kernel_addr_r " \
232 					"$initrd_addr_r:$initrd_size $fdt_addr_r"
233 #define CONFIG_BOOTDELAY		-1
234 #endif
235 
236 /* Do not preserve environment */
237 #define CONFIG_ENV_IS_NOWHERE		1
238 #define CONFIG_ENV_SIZE			0x1000
239 
240 /* Monitor Command Prompt */
241 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
242 #define CONFIG_SYS_PROMPT		"VExpress64# "
243 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
244 					sizeof(CONFIG_SYS_PROMPT) + 16)
245 #define CONFIG_SYS_HUSH_PARSER
246 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
247 #define CONFIG_SYS_LONGHELP
248 #define CONFIG_CMDLINE_EDITING
249 #define CONFIG_SYS_MAXARGS		64	/* max command args */
250 
251 /* Flash memory is available on the Juno board only */
252 #ifndef CONFIG_TARGET_VEXPRESS64_JUNO
253 #define CONFIG_SYS_NO_FLASH
254 #else
255 #define CONFIG_CMD_FLASH
256 #define CONFIG_SYS_FLASH_CFI		1
257 #define CONFIG_FLASH_CFI_DRIVER		1
258 #define CONFIG_SYS_FLASH_BASE		0x08000000
259 #define CONFIG_SYS_FLASH_SIZE		0x04000000 /* 64 MiB */
260 #define CONFIG_SYS_MAX_FLASH_BANKS	2
261 
262 /* Timeout values in ticks */
263 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
264 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
265 
266 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
267 #define CONFIG_SYS_MAX_FLASH_SECT	259		/* Max sectors */
268 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
269 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
270 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
271 
272 #endif
273 
274 #endif /* __VEXPRESS_AEMV8A_H */
275