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83d290c5 1/* SPDX-License-Identifier: GPL-2.0+ */
b80e41ac 2/*
cd4f46e1 3 * (C) Copyright 2011 ARM Limited
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4 * (C) Copyright 2010 Linaro
5 * Matt Waddel, <matt.waddel@linaro.org>
6 *
7 * Configuration for Versatile Express. Parts were derived from other ARM
8 * configurations.
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9 */
10
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11#ifndef __VEXPRESS_COMMON_H
12#define __VEXPRESS_COMMON_H
13
14/*
15 * Definitions copied from linux kernel:
16 * arch/arm/mach-vexpress/include/mach/motherboard.h
17 */
18#ifdef CONFIG_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
25
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))
30
31#define V2M_BASE 0x60000000
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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
39
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))
44
45#define V2M_BASE 0x80000000
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46#endif
47
48/*
49 * Physical addresses, offset from V2M_PA_CS0-3
50 */
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)
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55#define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000)
56
57/* Common peripherals relative to CS7. */
58#define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4))
59#define V2M_MMCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(5))
60#define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6))
61#define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7))
62
63#define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9))
64#define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10))
65#define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11))
66#define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12))
67
68#define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15))
69
70#define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17))
71#define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18))
72
73#define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22))
74#define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23))
75
76#define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26))
77
78#define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31))
79#define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32)
80
81/* System register offsets. */
82#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
83#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
84#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
85
86/*
87 * Configuration
88 */
89#define SYS_CFG_START (1 << 31)
90#define SYS_CFG_WRITE (1 << 30)
91#define SYS_CFG_OSC (1 << 20)
92#define SYS_CFG_VOLT (2 << 20)
93#define SYS_CFG_AMP (3 << 20)
94#define SYS_CFG_TEMP (4 << 20)
95#define SYS_CFG_RESET (5 << 20)
96#define SYS_CFG_SCC (6 << 20)
97#define SYS_CFG_MUXFPGA (7 << 20)
98#define SYS_CFG_SHUTDOWN (8 << 20)
99#define SYS_CFG_REBOOT (9 << 20)
100#define SYS_CFG_DVIMODE (11 << 20)
101#define SYS_CFG_POWER (12 << 20)
102#define SYS_CFG_SITE_MB (0 << 16)
103#define SYS_CFG_SITE_DB1 (1 << 16)
104#define SYS_CFG_SITE_DB2 (2 << 16)
105#define SYS_CFG_STACK(n) ((n) << 12)
106
107#define SYS_CFG_ERR (1 << 1)
108#define SYS_CFG_COMPLETE (1 << 0)
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109
110/* Board info register */
cd4f46e1 111#define SYS_ID V2M_SYSREGS
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112#define CONFIG_REVISION_TAG 1
113
cd4f46e1 114#define CONFIG_SYS_MEMTEST_START V2M_BASE
b80e41ac 115#define CONFIG_SYS_MEMTEST_END 0x20000000
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116
117#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
118#define CONFIG_SETUP_MEMORY_TAGS 1
e47f2db5 119#define CONFIG_SYS_L2CACHE_OFF 1
b80e41ac 120#define CONFIG_INITRD_TAG 1
2fa8ca98 121
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122/* Size of malloc() pool */
123#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
b80e41ac 124
cd4f46e1 125#define SCTL_BASE V2M_SYSCTL
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126#define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0)
127
b3a7f22b 128#define CONFIG_SYS_TIMER_RATE 1000000
cb7ee1b9 129#define CONFIG_SYS_TIMER_COUNTER (V2M_TIMER01 + 0x4)
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130#define CONFIG_SYS_TIMER_COUNTS_DOWN
131
b80e41ac 132/* PL011 Serial Configuration */
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133#define CONFIG_PL011_CLOCK 24000000
134#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \
135 (void *)CONFIG_SYS_SERIAL1}
b80e41ac 136
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137#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
138#define CONFIG_SYS_SERIAL0 V2M_UART0
139#define CONFIG_SYS_SERIAL1 V2M_UART1
b80e41ac 140
f0c64526 141#define CONFIG_ARM_PL180_MMCI
cd4f46e1 142#define CONFIG_ARM_PL180_MMCI_BASE V2M_MMCI
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143#define CONFIG_SYS_MMC_MAX_BLK_COUNT 127
144#define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000
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145
146/* BOOTP options */
147#define CONFIG_BOOTP_BOOTFILESIZE
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148
149/* Miscellaneous configurable options */
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150#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x8000)
151#define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000)
b80e41ac 152
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153/* Physical Memory Map */
154#define CONFIG_NR_DRAM_BANKS 2
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155#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
156#define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \
157 ((unsigned int)0x20000000))
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158#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
159#define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */
160
161/* additions for new relocation code */
162#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
553f0982 163#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
b80e41ac 164#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
553f0982 165 CONFIG_SYS_INIT_RAM_SIZE - \
25ddd1fb 166 GENERATED_GBL_DATA_SIZE)
b80e41ac 167#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
acb5ff02 168
b80e41ac 169/* Basic environment settings */
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170#define BOOT_TARGET_DEVICES(func) \
171 func(MMC, mmc, 1) \
172 func(MMC, mmc, 0) \
173 func(PXE, pxe, na) \
174 func(DHCP, dhcp, na)
175#include <config_distro_bootcmd.h>
176
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177#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
178#define CONFIG_PLATFORM_ENV_SETTINGS \
b80e41ac 179 "loadaddr=0x80008000\0" \
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180 "ramdisk_addr_r=0x61000000\0" \
181 "kernel_addr=0x44100000\0" \
182 "ramdisk_addr=0x44800000\0" \
183 "maxramdisk=0x1800000\0" \
e21669fd 184 "pxefile_addr_r=0x88000000\0" \
acb5ff02 185 "scriptaddr=0x88000000\0" \
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186 "kernel_addr_r=0x80008000\0"
187#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
188#define CONFIG_PLATFORM_ENV_SETTINGS \
189 "loadaddr=0xa0008000\0" \
190 "ramdisk_addr_r=0x81000000\0" \
191 "kernel_addr=0x0c100000\0" \
192 "ramdisk_addr=0x0c800000\0" \
193 "maxramdisk=0x1800000\0" \
194 "pxefile_addr_r=0xa8000000\0" \
acb5ff02 195 "scriptaddr=0xa8000000\0" \
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196 "kernel_addr_r=0xa0008000\0"
197#endif
198#define CONFIG_EXTRA_ENV_SETTINGS \
199 CONFIG_PLATFORM_ENV_SETTINGS \
acb5ff02 200 BOOTENV \
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201 "console=ttyAMA0,38400n8\0" \
202 "dram=1024M\0" \
203 "root=/dev/sda1 rw\0" \
204 "mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
205 "24M@0x2000000(initrd)\0" \
206 "flashargs=setenv bootargs root=${root} console=${console} " \
207 "mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
208 "devtmpfs.mount=0 vmalloc=256M\0" \
209 "bootflash=run flashargs; " \
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210 "cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
211 "bootm ${kernel_addr} ${ramdisk_addr_r}\0"
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212
213/* FLASH and environment organization */
214#define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
215#define CONFIG_SYS_FLASH_CFI 1
216#define CONFIG_FLASH_CFI_DRIVER 1
217#define CONFIG_SYS_FLASH_SIZE 0x04000000
218#define CONFIG_SYS_MAX_FLASH_BANKS 2
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219#define CONFIG_SYS_FLASH_BASE0 V2M_NOR0
220#define CONFIG_SYS_FLASH_BASE1 V2M_NOR1
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221#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0
222
223/* Timeout values in ticks */
224#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
225#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */
226
227/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
228#define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */
229#define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */
230
231/* Room required on the stack for the environment data */
232#define CONFIG_ENV_SIZE FLASH_MAX_SECTOR_SIZE
233
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234#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
235
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236/*
237 * Amount of flash used for environment:
238 * We don't know which end has the small erase blocks so we use the penultimate
239 * sector location for the environment
240 */
241#define CONFIG_ENV_SECT_SIZE FLASH_MAX_SECTOR_SIZE
242#define CONFIG_ENV_OVERWRITE 1
243
244/* Store environment at top of flash */
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245#define CONFIG_ENV_OFFSET (PHYS_FLASH_SIZE - \
246 (2 * CONFIG_ENV_SECT_SIZE))
247#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE1 + \
248 CONFIG_ENV_OFFSET)
249#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */
250#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
251#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \
252 CONFIG_SYS_FLASH_BASE1 }
253
254/* Monitor Command Prompt */
255#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
b80e41ac 256
cd4f46e1 257#endif /* VEXPRESS_COMMON_H */