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_CMDLINE_TAG		1	/* enable passing of ATAGs */
115 #define CONFIG_SETUP_MEMORY_TAGS	1
116 #define CONFIG_SYS_L2CACHE_OFF		1
117 #define CONFIG_INITRD_TAG		1
118 
119 /* Size of malloc() pool */
120 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 512 * 1024) /* >= 512 KiB */
121 
122 #define SCTL_BASE			V2M_SYSCTL
123 #define VEXPRESS_FLASHPROG_FLVPPEN	(1 << 0)
124 
125 #define CONFIG_SYS_TIMER_RATE		1000000
126 #define CONFIG_SYS_TIMER_COUNTER	(V2M_TIMER01 + 0x4)
127 #define CONFIG_SYS_TIMER_COUNTS_DOWN
128 
129 /* PL011 Serial Configuration */
130 #define CONFIG_PL011_CLOCK		24000000
131 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
132 					 (void *)CONFIG_SYS_SERIAL1}
133 
134 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
135 #define CONFIG_SYS_SERIAL0		V2M_UART0
136 #define CONFIG_SYS_SERIAL1		V2M_UART1
137 
138 #define CONFIG_ARM_PL180_MMCI_BASE	V2M_MMCI
139 #define CONFIG_SYS_MMC_MAX_BLK_COUNT	127
140 #define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000
141 
142 /* BOOTP options */
143 #define CONFIG_BOOTP_BOOTFILESIZE
144 
145 /* Miscellaneous configurable options */
146 #define CONFIG_SYS_LOAD_ADDR		(V2M_BASE + 0x8000)
147 #define LINUX_BOOT_PARAM_ADDR		(V2M_BASE + 0x2000)
148 
149 /* Physical Memory Map */
150 #define PHYS_SDRAM_1			(V2M_BASE)	/* SDRAM Bank #1 */
151 #define PHYS_SDRAM_2			(((unsigned int)V2M_BASE) + \
152 					((unsigned int)0x20000000))
153 #define PHYS_SDRAM_1_SIZE		0x20000000	/* 512 MB */
154 #define PHYS_SDRAM_2_SIZE		0x20000000	/* 512 MB */
155 
156 /* additions for new relocation code */
157 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
158 #define CONFIG_SYS_INIT_RAM_SIZE		0x1000
159 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_SDRAM_BASE + \
160 					 CONFIG_SYS_INIT_RAM_SIZE - \
161 					 GENERATED_GBL_DATA_SIZE)
162 #define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_GBL_DATA_OFFSET
163 
164 /* Basic environment settings */
165 #define BOOT_TARGET_DEVICES(func) \
166         func(MMC, mmc, 1) \
167         func(MMC, mmc, 0) \
168         func(PXE, pxe, na) \
169         func(DHCP, dhcp, na)
170 #include <config_distro_bootcmd.h>
171 
172 #ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
173 #define CONFIG_PLATFORM_ENV_SETTINGS \
174 		"loadaddr=0x80008000\0" \
175 		"ramdisk_addr_r=0x61000000\0" \
176 		"kernel_addr=0x44100000\0" \
177 		"ramdisk_addr=0x44800000\0" \
178 		"maxramdisk=0x1800000\0" \
179 		"pxefile_addr_r=0x88000000\0" \
180 		"scriptaddr=0x88000000\0" \
181 		"kernel_addr_r=0x80008000\0"
182 #elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
183 #define CONFIG_PLATFORM_ENV_SETTINGS \
184 		"loadaddr=0xa0008000\0" \
185 		"ramdisk_addr_r=0x81000000\0" \
186 		"kernel_addr=0x0c100000\0" \
187 		"ramdisk_addr=0x0c800000\0" \
188 		"maxramdisk=0x1800000\0" \
189 		"pxefile_addr_r=0xa8000000\0" \
190 		"scriptaddr=0xa8000000\0" \
191 		"kernel_addr_r=0xa0008000\0"
192 #endif
193 #define CONFIG_EXTRA_ENV_SETTINGS \
194 		CONFIG_PLATFORM_ENV_SETTINGS \
195                 BOOTENV \
196 		"console=ttyAMA0,38400n8\0" \
197 		"dram=1024M\0" \
198 		"root=/dev/sda1 rw\0" \
199 		"mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
200 			"24M@0x2000000(initrd)\0" \
201 		"flashargs=setenv bootargs root=${root} console=${console} " \
202 			"mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
203 			"devtmpfs.mount=0  vmalloc=256M\0" \
204 		"bootflash=run flashargs; " \
205 			"cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
206 			"bootm ${kernel_addr} ${ramdisk_addr_r}\0" \
207 		"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0"
208 
209 /* FLASH and environment organization */
210 #define PHYS_FLASH_SIZE			0x04000000	/* 64MB */
211 #define CONFIG_SYS_FLASH_SIZE		0x04000000
212 #define CONFIG_SYS_MAX_FLASH_BANKS	2
213 #define CONFIG_SYS_FLASH_BASE0		V2M_NOR0
214 #define CONFIG_SYS_FLASH_BASE1		V2M_NOR1
215 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE0
216 
217 /* Timeout values in ticks */
218 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
219 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
220 
221 /* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
222 #define CONFIG_SYS_MAX_FLASH_SECT	259		/* Max sectors */
223 #define FLASH_MAX_SECTOR_SIZE		0x00040000	/* 256 KB sectors */
224 
225 /* Room required on the stack for the environment data */
226 
227 /*
228  * Amount of flash used for environment:
229  * We don't know which end has the small erase blocks so we use the penultimate
230  * sector location for the environment
231  */
232 
233 /* Store environment at top of flash */
234 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
235 #define CONFIG_SYS_FLASH_BANKS_LIST	{ CONFIG_SYS_FLASH_BASE0, \
236 					  CONFIG_SYS_FLASH_BASE1 }
237 
238 /* Monitor Command Prompt */
239 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
240 
241 #endif /* VEXPRESS_COMMON_H */
242