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b80e41ac 1/*
cd4f46e1 2 * (C) Copyright 2011 ARM Limited
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3 * (C) Copyright 2010 Linaro
4 * Matt Waddel, <matt.waddel@linaro.org>
5 *
6 * Configuration for Versatile Express. Parts were derived from other ARM
7 * configurations.
8 *
3765b3e7 9 * SPDX-License-Identifier: GPL-2.0+
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10 */
11
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12#ifndef __VEXPRESS_COMMON_H
13#define __VEXPRESS_COMMON_H
14
15/*
16 * Definitions copied from linux kernel:
17 * arch/arm/mach-vexpress/include/mach/motherboard.h
18 */
19#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
20/* CS register bases for the original memory map. */
21#define V2M_PA_CS0 0x40000000
22#define V2M_PA_CS1 0x44000000
23#define V2M_PA_CS2 0x48000000
24#define V2M_PA_CS3 0x4c000000
25#define V2M_PA_CS7 0x10000000
26
27#define V2M_PERIPH_OFFSET(x) (x << 12)
28#define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(0))
29#define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
30#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
31
32#define V2M_BASE 0x60000000
33#define CONFIG_SYS_TEXT_BASE 0x60800000
34#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
35/* CS register bases for the extended memory map. */
36#define V2M_PA_CS0 0x08000000
37#define V2M_PA_CS1 0x0c000000
38#define V2M_PA_CS2 0x14000000
39#define V2M_PA_CS3 0x18000000
40#define V2M_PA_CS7 0x1c000000
41
42#define V2M_PERIPH_OFFSET(x) (x << 16)
43#define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
44#define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
45#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(3))
46
47#define V2M_BASE 0x80000000
48#define CONFIG_SYS_TEXT_BASE 0x80800000
49#endif
50
51/*
52 * Physical addresses, offset from V2M_PA_CS0-3
53 */
54#define V2M_NOR0 (V2M_PA_CS0)
55#define V2M_NOR1 (V2M_PA_CS1)
56#define V2M_SRAM (V2M_PA_CS2)
57#define V2M_VIDEO_SRAM (V2M_PA_CS3 + 0x00000000)
58#define V2M_LAN9118 (V2M_PA_CS3 + 0x02000000)
59#define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000)
60
61/* Common peripherals relative to CS7. */
62#define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4))
63#define V2M_MMCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(5))
64#define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6))
65#define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7))
66
67#define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9))
68#define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10))
69#define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11))
70#define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12))
71
72#define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15))
73
74#define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17))
75#define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18))
76
77#define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22))
78#define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23))
79
80#define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26))
81
82#define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31))
83#define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32)
84
85/* System register offsets. */
86#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
87#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
88#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
89
90/*
91 * Configuration
92 */
93#define SYS_CFG_START (1 << 31)
94#define SYS_CFG_WRITE (1 << 30)
95#define SYS_CFG_OSC (1 << 20)
96#define SYS_CFG_VOLT (2 << 20)
97#define SYS_CFG_AMP (3 << 20)
98#define SYS_CFG_TEMP (4 << 20)
99#define SYS_CFG_RESET (5 << 20)
100#define SYS_CFG_SCC (6 << 20)
101#define SYS_CFG_MUXFPGA (7 << 20)
102#define SYS_CFG_SHUTDOWN (8 << 20)
103#define SYS_CFG_REBOOT (9 << 20)
104#define SYS_CFG_DVIMODE (11 << 20)
105#define SYS_CFG_POWER (12 << 20)
106#define SYS_CFG_SITE_MB (0 << 16)
107#define SYS_CFG_SITE_DB1 (1 << 16)
108#define SYS_CFG_SITE_DB2 (2 << 16)
109#define SYS_CFG_STACK(n) ((n) << 12)
110
111#define SYS_CFG_ERR (1 << 1)
112#define SYS_CFG_COMPLETE (1 << 0)
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113
114/* Board info register */
cd4f46e1 115#define SYS_ID V2M_SYSREGS
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116#define CONFIG_REVISION_TAG 1
117
cd4f46e1 118#define CONFIG_SYS_MEMTEST_START V2M_BASE
b80e41ac 119#define CONFIG_SYS_MEMTEST_END 0x20000000
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120
121#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
122#define CONFIG_SETUP_MEMORY_TAGS 1
e47f2db5 123#define CONFIG_SYS_L2CACHE_OFF 1
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124#define CONFIG_INITRD_TAG 1
125
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126#define CONFIG_OF_LIBFDT 1
127
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128/* Size of malloc() pool */
129#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
b80e41ac 130
cd4f46e1 131#define SCTL_BASE V2M_SYSCTL
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132#define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0)
133
134/* SMSC9115 Ethernet from SMSC9118 family */
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135#define CONFIG_SMC911X 1
136#define CONFIG_SMC911X_32_BIT 1
cd4f46e1 137#define CONFIG_SMC911X_BASE V2M_LAN9118
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138
139/* PL011 Serial Configuration */
140#define CONFIG_PL011_SERIAL
141#define CONFIG_PL011_CLOCK 24000000
142#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \
143 (void *)CONFIG_SYS_SERIAL1}
144#define CONFIG_CONS_INDEX 0
145
146#define CONFIG_BAUDRATE 38400
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147#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
148#define CONFIG_SYS_SERIAL0 V2M_UART0
149#define CONFIG_SYS_SERIAL1 V2M_UART1
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150
151/* Command line configuration */
152#define CONFIG_CMD_BDI
153#define CONFIG_CMD_DHCP
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154#define CONFIG_CMD_PXE
155#define CONFIG_MENU
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156#define CONFIG_CMD_ELF
157#define CONFIG_CMD_ENV
158#define CONFIG_CMD_FLASH
159#define CONFIG_CMD_IMI
160#define CONFIG_CMD_MEMORY
161#define CONFIG_CMD_NET
162#define CONFIG_CMD_PING
163#define CONFIG_CMD_SAVEENV
b80e41ac 164#define CONFIG_CMD_RUN
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165#define CONFIG_CMD_BOOTZ
166#define CONFIG_SUPPORT_RAW_INITRD
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167
168#define CONFIG_CMD_FAT
169#define CONFIG_DOS_PARTITION 1
170#define CONFIG_MMC 1
171#define CONFIG_CMD_MMC
172#define CONFIG_GENERIC_MMC
f0c64526 173#define CONFIG_ARM_PL180_MMCI
cd4f46e1 174#define CONFIG_ARM_PL180_MMCI_BASE V2M_MMCI
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175#define CONFIG_SYS_MMC_MAX_BLK_COUNT 127
176#define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000
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177
178/* BOOTP options */
179#define CONFIG_BOOTP_BOOTFILESIZE
180#define CONFIG_BOOTP_BOOTPATH
181#define CONFIG_BOOTP_GATEWAY
182#define CONFIG_BOOTP_HOSTNAME
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183#define CONFIG_BOOTP_PXE
184#define CONFIG_BOOTP_PXE_CLIENTARCH 0x100
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185
186/* Miscellaneous configurable options */
187#undef CONFIG_SYS_CLKS_IN_HZ
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188#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x8000)
189#define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000)
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190#define CONFIG_BOOTDELAY 2
191
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192/* Physical Memory Map */
193#define CONFIG_NR_DRAM_BANKS 2
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194#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
195#define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \
196 ((unsigned int)0x20000000))
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197#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
198#define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */
199
200/* additions for new relocation code */
201#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
553f0982 202#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
b80e41ac 203#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
553f0982 204 CONFIG_SYS_INIT_RAM_SIZE - \
25ddd1fb 205 GENERATED_GBL_DATA_SIZE)
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206#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
207
208/* Basic environment settings */
209#define CONFIG_BOOTCOMMAND "run bootflash;"
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210#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
211#define CONFIG_PLATFORM_ENV_SETTINGS \
b80e41ac 212 "loadaddr=0x80008000\0" \
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213 "ramdisk_addr_r=0x61000000\0" \
214 "kernel_addr=0x44100000\0" \
215 "ramdisk_addr=0x44800000\0" \
216 "maxramdisk=0x1800000\0" \
e21669fd 217 "pxefile_addr_r=0x88000000\0" \
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218 "kernel_addr_r=0x80008000\0"
219#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
220#define CONFIG_PLATFORM_ENV_SETTINGS \
221 "loadaddr=0xa0008000\0" \
222 "ramdisk_addr_r=0x81000000\0" \
223 "kernel_addr=0x0c100000\0" \
224 "ramdisk_addr=0x0c800000\0" \
225 "maxramdisk=0x1800000\0" \
226 "pxefile_addr_r=0xa8000000\0" \
227 "kernel_addr_r=0xa0008000\0"
228#endif
229#define CONFIG_EXTRA_ENV_SETTINGS \
230 CONFIG_PLATFORM_ENV_SETTINGS \
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231 "console=ttyAMA0,38400n8\0" \
232 "dram=1024M\0" \
233 "root=/dev/sda1 rw\0" \
234 "mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
235 "24M@0x2000000(initrd)\0" \
236 "flashargs=setenv bootargs root=${root} console=${console} " \
237 "mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
238 "devtmpfs.mount=0 vmalloc=256M\0" \
239 "bootflash=run flashargs; " \
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240 "cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
241 "bootm ${kernel_addr} ${ramdisk_addr_r}\0"
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242
243/* FLASH and environment organization */
244#define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
245#define CONFIG_SYS_FLASH_CFI 1
246#define CONFIG_FLASH_CFI_DRIVER 1
247#define CONFIG_SYS_FLASH_SIZE 0x04000000
248#define CONFIG_SYS_MAX_FLASH_BANKS 2
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249#define CONFIG_SYS_FLASH_BASE0 V2M_NOR0
250#define CONFIG_SYS_FLASH_BASE1 V2M_NOR1
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251#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0
252
253/* Timeout values in ticks */
254#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
255#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */
256
257/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
258#define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */
259#define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */
260
261/* Room required on the stack for the environment data */
262#define CONFIG_ENV_SIZE FLASH_MAX_SECTOR_SIZE
263
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264#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
265
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266/*
267 * Amount of flash used for environment:
268 * We don't know which end has the small erase blocks so we use the penultimate
269 * sector location for the environment
270 */
271#define CONFIG_ENV_SECT_SIZE FLASH_MAX_SECTOR_SIZE
272#define CONFIG_ENV_OVERWRITE 1
273
274/* Store environment at top of flash */
275#define CONFIG_ENV_IS_IN_FLASH 1
276#define CONFIG_ENV_OFFSET (PHYS_FLASH_SIZE - \
277 (2 * CONFIG_ENV_SECT_SIZE))
278#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE1 + \
279 CONFIG_ENV_OFFSET)
280#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */
281#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
282#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \
283 CONFIG_SYS_FLASH_BASE1 }
284
285/* Monitor Command Prompt */
286#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
287#define CONFIG_SYS_PROMPT "VExpress# "
288#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
289 sizeof(CONFIG_SYS_PROMPT) + 16)
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290#define CONFIG_SYS_HUSH_PARSER
291
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292#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot args buffer */
293#define CONFIG_CMD_SOURCE
294#define CONFIG_SYS_LONGHELP
295#define CONFIG_CMDLINE_EDITING 1
296#define CONFIG_SYS_MAXARGS 16 /* max command args */
297
cd4f46e1 298#endif /* VEXPRESS_COMMON_H */