1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2011 ARM Limited
4 * (C) Copyright 2010 Linaro
5 * Matt Waddel, <matt.waddel@linaro.org>
7 * Configuration for Versatile Express. Parts were derived from other ARM
11 #ifndef __VEXPRESS_COMMON_H
12 #define __VEXPRESS_COMMON_H
15 * Definitions copied from linux kernel:
16 * arch/arm/mach-vexpress/include/mach/motherboard.h
18 #ifdef VEXPRESS_ORIGINAL_MEMORY_MAP
19 /* CS register bases for the original memory map. */
20 #define V2M_PA_CS0 0x40000000
21 #define V2M_PA_CS1 0x44000000
22 #define V2M_PA_CS2 0x48000000
23 #define V2M_PA_CS3 0x4c000000
24 #define V2M_PA_CS7 0x10000000
26 #define V2M_PERIPH_OFFSET(x) (x << 12)
27 #define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(0))
28 #define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
29 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
31 #define V2M_BASE 0x60000000
32 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
33 /* CS register bases for the extended memory map. */
34 #define V2M_PA_CS0 0x08000000
35 #define V2M_PA_CS1 0x0c000000
36 #define V2M_PA_CS2 0x14000000
37 #define V2M_PA_CS3 0x18000000
38 #define V2M_PA_CS7 0x1c000000
40 #define V2M_PERIPH_OFFSET(x) (x << 16)
41 #define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
42 #define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
43 #define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(3))
45 #define V2M_BASE 0x80000000
49 * Physical addresses, offset from V2M_PA_CS0-3
51 #define V2M_NOR0 (V2M_PA_CS0)
52 #define V2M_NOR1 (V2M_PA_CS1)
53 #define V2M_SRAM (V2M_PA_CS2)
54 #define V2M_VIDEO_SRAM (V2M_PA_CS3 + 0x00000000)
55 #define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000)
57 /* Common peripherals relative to CS7. */
58 #define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4))
59 #define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6))
60 #define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7))
62 #define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9))
63 #define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10))
64 #define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11))
65 #define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12))
67 #define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15))
69 #define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17))
70 #define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18))
72 #define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22))
73 #define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23))
75 #define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26))
77 #define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31))
78 #define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32)
80 /* System register offsets. */
81 #define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
82 #define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
83 #define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
88 #define SYS_CFG_START (1 << 31)
89 #define SYS_CFG_WRITE (1 << 30)
90 #define SYS_CFG_OSC (1 << 20)
91 #define SYS_CFG_VOLT (2 << 20)
92 #define SYS_CFG_AMP (3 << 20)
93 #define SYS_CFG_TEMP (4 << 20)
94 #define SYS_CFG_RESET (5 << 20)
95 #define SYS_CFG_SCC (6 << 20)
96 #define SYS_CFG_MUXFPGA (7 << 20)
97 #define SYS_CFG_SHUTDOWN (8 << 20)
98 #define SYS_CFG_REBOOT (9 << 20)
99 #define SYS_CFG_DVIMODE (11 << 20)
100 #define SYS_CFG_POWER (12 << 20)
101 #define SYS_CFG_SITE_MB (0 << 16)
102 #define SYS_CFG_SITE_DB1 (1 << 16)
103 #define SYS_CFG_SITE_DB2 (2 << 16)
104 #define SYS_CFG_STACK(n) ((n) << 12)
106 #define SYS_CFG_ERR (1 << 1)
107 #define SYS_CFG_COMPLETE (1 << 0)
109 /* Board info register */
110 #define SYS_ID V2M_SYSREGS
112 #define CONFIG_SYS_L2CACHE_OFF 1
114 #define SCTL_BASE V2M_SYSCTL
115 #define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0)
117 #define CONFIG_SYS_TIMER_RATE 1000000
118 #define CONFIG_SYS_TIMER_COUNTER (V2M_TIMER01 + 0x4)
119 #define CONFIG_SYS_TIMER_COUNTS_DOWN
121 /* PL011 Serial Configuration */
122 #define CONFIG_PL011_CLOCK 24000000
123 #define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \
124 (void *)CONFIG_SYS_SERIAL1}
126 #define CONFIG_SYS_SERIAL0 V2M_UART0
127 #define CONFIG_SYS_SERIAL1 V2M_UART1
129 #define CONFIG_SYS_MMC_MAX_BLK_COUNT 127
132 #define CONFIG_BOOTP_BOOTFILESIZE
134 /* Miscellaneous configurable options */
135 #define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000)
137 /* Physical Memory Map */
138 #define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
139 #define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \
140 ((unsigned int)0x20000000))
141 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
142 #define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */
144 /* additions for new relocation code */
145 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
146 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000
147 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
148 CONFIG_SYS_INIT_RAM_SIZE - \
149 GENERATED_GBL_DATA_SIZE)
150 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
152 /* Basic environment settings */
153 #define BOOT_TARGET_DEVICES(func) \
158 #include <config_distro_bootcmd.h>
160 #define CONFIG_EXTRA_ENV_SETTINGS \
161 "kernel_addr_r=0x60100000\0" \
162 "fdt_addr_r=0x60000000\0" \
163 "bootargs=console=tty0 console=ttyAMA0,38400n8\0" \
165 "console=ttyAMA0,38400n8\0" \
167 "root=/dev/sda1 rw\0" \
168 "mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
169 "24M@0x2000000(initrd)\0" \
170 "flashargs=setenv bootargs root=${root} console=${console} " \
171 "mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
172 "devtmpfs.mount=0 vmalloc=256M\0" \
173 "bootflash=run flashargs; " \
174 "cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
175 "bootm ${kernel_addr} ${ramdisk_addr_r}\0" \
176 "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0"
178 /* FLASH and environment organization */
179 #define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
180 #define CONFIG_SYS_FLASH_SIZE 0x04000000
181 #define CONFIG_SYS_MAX_FLASH_BANKS 2
182 #define CONFIG_SYS_FLASH_BASE0 V2M_NOR0
183 #define CONFIG_SYS_FLASH_BASE1 V2M_NOR1
184 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0
186 /* Timeout values in ticks */
187 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
188 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */
190 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
191 #define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */
192 #define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */
194 /* Room required on the stack for the environment data */
197 * Amount of flash used for environment:
198 * We don't know which end has the small erase blocks so we use the penultimate
199 * sector location for the environment
202 /* Store environment at top of flash */
203 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
204 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \
205 CONFIG_SYS_FLASH_BASE1 }
207 /* Monitor Command Prompt */
208 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
210 #endif /* VEXPRESS_COMMON_H */