1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2011 ARM Limited
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.
9  */
10 
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
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
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)
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)
109 
110 /* Board info register */
111 #define SYS_ID				V2M_SYSREGS
112 #define CONFIG_REVISION_TAG		1
113 
114 #define CONFIG_SYS_MEMTEST_START	V2M_BASE
115 #define CONFIG_SYS_MEMTEST_END		0x20000000
116 
117 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
118 #define CONFIG_SETUP_MEMORY_TAGS	1
119 #define CONFIG_SYS_L2CACHE_OFF		1
120 #define CONFIG_INITRD_TAG		1
121 
122 /* Size of malloc() pool */
123 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)
124 
125 #define SCTL_BASE			V2M_SYSCTL
126 #define VEXPRESS_FLASHPROG_FLVPPEN	(1 << 0)
127 
128 #define CONFIG_SYS_TIMER_RATE		1000000
129 #define CONFIG_SYS_TIMER_COUNTER	(V2M_TIMER01 + 0x4)
130 #define CONFIG_SYS_TIMER_COUNTS_DOWN
131 
132 /* PL011 Serial Configuration */
133 #define CONFIG_PL011_CLOCK		24000000
134 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
135 					 (void *)CONFIG_SYS_SERIAL1}
136 
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
140 
141 #define CONFIG_ARM_PL180_MMCI
142 #define CONFIG_ARM_PL180_MMCI_BASE	V2M_MMCI
143 #define CONFIG_SYS_MMC_MAX_BLK_COUNT	127
144 #define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000
145 
146 /* BOOTP options */
147 #define CONFIG_BOOTP_BOOTFILESIZE
148 
149 /* Miscellaneous configurable options */
150 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x8000)
151 #define LINUX_BOOT_PARAM_ADDR		(V2M_BASE + 0x2000)
152 
153 /* Physical Memory Map */
154 #define CONFIG_NR_DRAM_BANKS		2
155 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
156 #define PHYS_SDRAM_2			(((unsigned int)V2M_BASE) + \
157 					((unsigned int)0x20000000))
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
163 #define CONFIG_SYS_INIT_RAM_SIZE		0x1000
164 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_SDRAM_BASE + \
165 					 CONFIG_SYS_INIT_RAM_SIZE - \
166 					 GENERATED_GBL_DATA_SIZE)
167 #define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_GBL_DATA_OFFSET
168 
169 /* Basic environment settings */
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 
177 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
178 #define CONFIG_PLATFORM_ENV_SETTINGS \
179 		"loadaddr=0x80008000\0" \
180 		"ramdisk_addr_r=0x61000000\0" \
181 		"kernel_addr=0x44100000\0" \
182 		"ramdisk_addr=0x44800000\0" \
183 		"maxramdisk=0x1800000\0" \
184 		"pxefile_addr_r=0x88000000\0" \
185 		"scriptaddr=0x88000000\0" \
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" \
195 		"scriptaddr=0xa8000000\0" \
196 		"kernel_addr_r=0xa0008000\0"
197 #endif
198 #define CONFIG_EXTRA_ENV_SETTINGS \
199 		CONFIG_PLATFORM_ENV_SETTINGS \
200                 BOOTENV \
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; " \
210 			"cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
211 			"bootm ${kernel_addr} ${ramdisk_addr_r}\0"
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
219 #define CONFIG_SYS_FLASH_BASE0		V2M_NOR0
220 #define CONFIG_SYS_FLASH_BASE1		V2M_NOR1
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 
234 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
235 
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 */
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 */
256 
257 #endif /* VEXPRESS_COMMON_H */
258