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 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
109 #define CONFIG_PL011_CLOCK		7273800
110 #else
111 #define CONFIG_PL011_CLOCK		24000000
112 #endif
113 
114 /*#define CONFIG_MENU_SHOW*/
115 
116 /* BOOTP options */
117 #define CONFIG_BOOTP_BOOTFILESIZE
118 
119 /* Miscellaneous configurable options */
120 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x10000000)
121 
122 /* Physical Memory Map */
123 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
124 /* Top 16MB reserved for secure world use */
125 #define DRAM_SEC_SIZE		0x01000000
126 #define PHYS_SDRAM_1_SIZE	0x80000000 - DRAM_SEC_SIZE
127 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
128 
129 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
130 #define CONFIG_NR_DRAM_BANKS		2
131 #define PHYS_SDRAM_2			(0x880000000)
132 #define PHYS_SDRAM_2_SIZE		0x180000000
133 #else
134 #define CONFIG_NR_DRAM_BANKS		1
135 #endif
136 
137 /* Enable memtest */
138 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
139 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE)
140 
141 /* Initial environment variables */
142 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
143 /*
144  * Defines where the kernel and FDT exist in NOR flash and where it will
145  * be copied into DRAM
146  */
147 #define CONFIG_EXTRA_ENV_SETTINGS	\
148 				"kernel_name=norkern\0"	\
149 				"kernel_alt_name=Image\0"	\
150 				"kernel_addr=0x80080000\0" \
151 				"initrd_name=ramdisk.img\0"	\
152 				"initrd_addr=0x84000000\0"	\
153 				"fdtfile=board.dtb\0" \
154 				"fdt_alt_name=juno\0" \
155 				"fdt_addr=0x83000000\0" \
156 				"fdt_high=0xffffffffffffffff\0" \
157 				"initrd_high=0xffffffffffffffff\0" \
158 
159 /* Copy the kernel and FDT to DRAM memory and boot */
160 #define CONFIG_BOOTCOMMAND	"afs load ${kernel_name} ${kernel_addr} ; " \
161 				"if test $? -eq 1; then "\
162 				"  echo Loading ${kernel_alt_name} instead of "\
163 				"${kernel_name}; "\
164 				"  afs load ${kernel_alt_name} ${kernel_addr};"\
165 				"fi ; "\
166 				"afs load  ${fdtfile} ${fdt_addr} ; " \
167 				"if test $? -eq 1; then "\
168 				"  echo Loading ${fdt_alt_name} instead of "\
169 				"${fdtfile}; "\
170 				"  afs load ${fdt_alt_name} ${fdt_addr}; "\
171 				"fi ; "\
172 				"fdt addr ${fdt_addr}; fdt resize; " \
173 				"if afs load  ${initrd_name} ${initrd_addr} ; "\
174 				"then "\
175 				"  setenv initrd_param ${initrd_addr}; "\
176 				"  else setenv initrd_param -; "\
177 				"fi ; " \
178 				"booti ${kernel_addr} ${initrd_param} ${fdt_addr}"
179 
180 
181 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP
182 #define CONFIG_EXTRA_ENV_SETTINGS	\
183 				"kernel_name=Image\0"		\
184 				"kernel_addr=0x80080000\0"	\
185 				"initrd_name=ramdisk.img\0"	\
186 				"initrd_addr=0x88000000\0"	\
187 				"fdtfile=devtree.dtb\0"		\
188 				"fdt_addr=0x83000000\0"		\
189 				"fdt_high=0xffffffffffffffff\0"	\
190 				"initrd_high=0xffffffffffffffff\0"
191 
192 #define CONFIG_BOOTCOMMAND	"smhload ${kernel_name} ${kernel_addr}; " \
193 				"smhload ${fdtfile} ${fdt_addr}; " \
194 				"smhload ${initrd_name} ${initrd_addr} "\
195 				"initrd_end; " \
196 				"fdt addr ${fdt_addr}; fdt resize; " \
197 				"fdt chosen ${initrd_addr} ${initrd_end}; " \
198 				"booti $kernel_addr - $fdt_addr"
199 
200 
201 #elif CONFIG_TARGET_VEXPRESS64_BASE_FVP_DRAM
202 #define CONFIG_EXTRA_ENV_SETTINGS	\
203 				"kernel_addr=0x80080000\0"	\
204 				"initrd_addr=0x84000000\0"	\
205 				"fdt_addr=0x83000000\0"		\
206 				"fdt_high=0xffffffffffffffff\0"	\
207 				"initrd_high=0xffffffffffffffff\0"
208 
209 #define CONFIG_BOOTCOMMAND	"booti $kernel_addr $initrd_addr $fdt_addr"
210 
211 
212 #endif
213 
214 /* Monitor Command Prompt */
215 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
216 #define CONFIG_SYS_MAXARGS		64	/* max command args */
217 
218 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
219 #define CONFIG_SYS_FLASH_BASE		0x08000000
220 /* 255 x 256KiB sectors + 4 x 64KiB sectors at the end = 259 */
221 #define CONFIG_SYS_MAX_FLASH_SECT	259
222 /* Store environment at top of flash in the same location as blank.img */
223 /* in the Juno firmware. */
224 #define CONFIG_ENV_ADDR			0x0BFC0000
225 #define CONFIG_ENV_SECT_SIZE		0x00010000
226 #else
227 #define CONFIG_SYS_FLASH_BASE		0x0C000000
228 /* 256 x 256KiB sectors */
229 #define CONFIG_SYS_MAX_FLASH_SECT	256
230 /* Store environment at top of flash */
231 #define CONFIG_ENV_ADDR			0x0FFC0000
232 #define CONFIG_ENV_SECT_SIZE		0x00040000
233 #endif
234 
235 #define CONFIG_SYS_FLASH_CFI		1
236 #define CONFIG_FLASH_CFI_DRIVER		1
237 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_32BIT
238 #define CONFIG_SYS_MAX_FLASH_BANKS	1
239 
240 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
241 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
242 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
243 #define FLASH_MAX_SECTOR_SIZE		0x00040000
244 #define CONFIG_ENV_SIZE			CONFIG_ENV_SECT_SIZE
245 
246 #endif /* __VEXPRESS_AEMV8A_H */
247