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