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 #define DEBUG
12 
13 #define CONFIG_REMAKE_ELF
14 
15 #define CONFIG_GICV3
16 
17 /*#define CONFIG_ARMV8_SWITCH_TO_EL1*/
18 
19 /*#define CONFIG_SYS_GENERIC_BOARD*/
20 
21 #define CONFIG_SYS_NO_FLASH
22 
23 #define CONFIG_SUPPORT_RAW_INITRD
24 
25 /* Cache Definitions */
26 #define CONFIG_SYS_DCACHE_OFF
27 #define CONFIG_SYS_ICACHE_OFF
28 
29 #define CONFIG_IDENT_STRING		" vexpress_aemv8a"
30 #define CONFIG_BOOTP_VCI_STRING		"U-boot.armv8.vexpress_aemv8a"
31 
32 /* Link Definitions */
33 #define CONFIG_SYS_TEXT_BASE		0x80000000
34 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
35 
36 /* Flat Device Tree Definitions */
37 #define CONFIG_OF_LIBFDT
38 
39 #define CONFIG_DEFAULT_DEVICE_TREE	vexpress64
40 
41 /* SMP Spin Table Definitions */
42 #define CPU_RELEASE_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x7fff0)
43 
44 /* CS register bases for the original memory map. */
45 #define V2M_PA_CS0			0x00000000
46 #define V2M_PA_CS1			0x14000000
47 #define V2M_PA_CS2			0x18000000
48 #define V2M_PA_CS3			0x1c000000
49 #define V2M_PA_CS4			0x0c000000
50 #define V2M_PA_CS5			0x10000000
51 
52 #define V2M_PERIPH_OFFSET(x)		(x << 16)
53 #define V2M_SYSREGS			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
54 #define V2M_SYSCTL			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
55 #define V2M_SERIAL_BUS_PCI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
56 
57 #define V2M_BASE			0x80000000
58 
59 /*
60  * Physical addresses, offset from V2M_PA_CS0-3
61  */
62 #define V2M_NOR0			(V2M_PA_CS0)
63 #define V2M_NOR1			(V2M_PA_CS4)
64 #define V2M_SRAM			(V2M_PA_CS1)
65 
66 /* Common peripherals relative to CS7. */
67 #define V2M_AACI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
68 #define V2M_MMCI			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
69 #define V2M_KMI0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
70 #define V2M_KMI1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
71 
72 #define V2M_UART0			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
73 #define V2M_UART1			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
74 #define V2M_UART2			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
75 #define V2M_UART3			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
76 
77 #define V2M_WDT				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
78 
79 #define V2M_TIMER01			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
80 #define V2M_TIMER23			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
81 
82 #define V2M_SERIAL_BUS_DVI		(V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
83 #define V2M_RTC				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
84 
85 #define V2M_CF				(V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
86 
87 #define V2M_CLCD			(V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
88 
89 /* System register offsets. */
90 #define V2M_SYS_CFGDATA			(V2M_SYSREGS + 0x0a0)
91 #define V2M_SYS_CFGCTRL			(V2M_SYSREGS + 0x0a4)
92 #define V2M_SYS_CFGSTAT			(V2M_SYSREGS + 0x0a8)
93 
94 /* Generic Timer Definitions */
95 #define COUNTER_FREQUENCY		(0x1800000)	/* 24MHz */
96 
97 /* Generic Interrupt Controller Definitions */
98 #ifdef CONFIG_GICV3
99 #define GICD_BASE			(0x2f000000)
100 #define GICR_BASE			(0x2f100000)
101 #else
102 #define GICD_BASE			(0x2C001000)
103 #define GICC_BASE			(0x2C002000)
104 #endif
105 
106 #define CONFIG_SYS_MEMTEST_START	V2M_BASE
107 #define CONFIG_SYS_MEMTEST_END		(V2M_BASE + 0x80000000)
108 
109 /* Size of malloc() pool */
110 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)
111 
112 /* SMSC91C111 Ethernet Configuration */
113 #define CONFIG_SMC91111			1
114 #define CONFIG_SMC91111_BASE		(0x01A000000)
115 
116 /* PL011 Serial Configuration */
117 #define CONFIG_PL011_SERIAL
118 #define CONFIG_PL011_CLOCK		24000000
119 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
120 					 (void *)CONFIG_SYS_SERIAL1}
121 #define CONFIG_CONS_INDEX		0
122 
123 #define CONFIG_BAUDRATE			115200
124 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
125 #define CONFIG_SYS_SERIAL0		V2M_UART0
126 #define CONFIG_SYS_SERIAL1		V2M_UART1
127 
128 /* Command line configuration */
129 #define CONFIG_MENU
130 /*#define CONFIG_MENU_SHOW*/
131 #define CONFIG_CMD_CACHE
132 #define CONFIG_CMD_BDI
133 #define CONFIG_CMD_DHCP
134 #define CONFIG_CMD_PXE
135 #define CONFIG_CMD_ENV
136 #define CONFIG_CMD_FLASH
137 #define CONFIG_CMD_IMI
138 #define CONFIG_CMD_MEMORY
139 #define CONFIG_CMD_MII
140 #define CONFIG_CMD_NET
141 #define CONFIG_CMD_PING
142 #define CONFIG_CMD_SAVEENV
143 #define CONFIG_CMD_RUN
144 #define CONFIG_CMD_BOOTD
145 #define CONFIG_CMD_ECHO
146 #define CONFIG_CMD_SOURCE
147 #define CONFIG_CMD_FAT
148 #define CONFIG_DOS_PARTITION
149 
150 /* BOOTP options */
151 #define CONFIG_BOOTP_BOOTFILESIZE
152 #define CONFIG_BOOTP_BOOTPATH
153 #define CONFIG_BOOTP_GATEWAY
154 #define CONFIG_BOOTP_HOSTNAME
155 #define CONFIG_BOOTP_PXE
156 #define CONFIG_BOOTP_PXE_CLIENTARCH	0x100
157 
158 /* Miscellaneous configurable options */
159 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x10000000)
160 
161 /* Physical Memory Map */
162 #define CONFIG_NR_DRAM_BANKS		1
163 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
164 #define PHYS_SDRAM_1_SIZE		0x80000000	/* 2048 MB */
165 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
166 
167 /* Initial environment variables */
168 #define CONFIG_EXTRA_ENV_SETTINGS	\
169 					"kernel_addr=0x200000\0"	\
170 					"initrd_addr=0xa00000\0"	\
171 					"initrd_size=0x2000000\0"	\
172 					"fdt_addr=0x100000\0"		\
173 					"fdt_high=0xa0000000\0"
174 
175 #define CONFIG_BOOTARGS			"console=ttyAMA0 root=/dev/ram0"
176 #define CONFIG_BOOTCOMMAND		"bootm $kernel_addr " \
177 					"$initrd_addr:$initrd_size $fdt_addr"
178 #define CONFIG_BOOTDELAY		-1
179 
180 /* Do not preserve environment */
181 #define CONFIG_ENV_IS_NOWHERE		1
182 #define CONFIG_ENV_SIZE			0x1000
183 
184 /* Monitor Command Prompt */
185 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
186 #define CONFIG_SYS_PROMPT		"VExpress64# "
187 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
188 					sizeof(CONFIG_SYS_PROMPT) + 16)
189 #define CONFIG_SYS_HUSH_PARSER
190 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
191 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
192 #define CONFIG_SYS_LONGHELP
193 #define CONFIG_CMDLINE_EDITING		1
194 #define CONFIG_SYS_MAXARGS		64	/* max command args */
195 
196 #endif /* __VEXPRESS_AEMV8A_H */
197