2 * Configuration for Versatile Express. Parts were derived from other ARM
5 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef __VEXPRESS_AEMV8A_H
9 #define __VEXPRESS_AEMV8A_H
13 #define CONFIG_REMAKE_ELF
17 /*#define CONFIG_ARMV8_SWITCH_TO_EL1*/
19 /*#define CONFIG_SYS_GENERIC_BOARD*/
21 #define CONFIG_SYS_NO_FLASH
23 #define CONFIG_SUPPORT_RAW_INITRD
25 /* Cache Definitions */
26 #define CONFIG_SYS_DCACHE_OFF
27 #define CONFIG_SYS_ICACHE_OFF
29 #define CONFIG_IDENT_STRING " vexpress_aemv8a"
30 #define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a"
32 /* Link Definitions */
33 #define CONFIG_SYS_TEXT_BASE 0x80000000
34 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
36 /* Flat Device Tree Definitions */
37 #define CONFIG_OF_LIBFDT
39 #define CONFIG_DEFAULT_DEVICE_TREE vexpress64
41 /* SMP Spin Table Definitions */
42 #define CPU_RELEASE_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
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
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))
57 #define V2M_BASE 0x80000000
60 * Physical addresses, offset from V2M_PA_CS0-3
62 #define V2M_NOR0 (V2M_PA_CS0)
63 #define V2M_NOR1 (V2M_PA_CS4)
64 #define V2M_SRAM (V2M_PA_CS1)
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))
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))
77 #define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
79 #define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
80 #define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
82 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
83 #define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
85 #define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
87 #define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
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)
94 /* Generic Timer Definitions */
95 #define COUNTER_FREQUENCY (0x1800000) /* 24MHz */
97 /* Generic Interrupt Controller Definitions */
99 #define GICD_BASE (0x2f000000)
100 #define GICR_BASE (0x2f100000)
102 #define GICD_BASE (0x2C001000)
103 #define GICC_BASE (0x2C002000)
106 #define CONFIG_SYS_MEMTEST_START V2M_BASE
107 #define CONFIG_SYS_MEMTEST_END (V2M_BASE + 0x80000000)
109 /* Size of malloc() pool */
110 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
112 /* SMSC91C111 Ethernet Configuration */
113 #define CONFIG_SMC91111 1
114 #define CONFIG_SMC91111_BASE (0x01A000000)
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
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
128 /* Command line configuration */
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
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
158 /* Miscellaneous configurable options */
159 #define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000)
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
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"
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
180 /* Do not preserve environment */
181 #define CONFIG_ENV_IS_NOWHERE 1
182 #define CONFIG_ENV_SIZE 0x1000
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 */
196 #endif /* __VEXPRESS_AEMV8A_H */