1 /*
2  * arch/arm/mach-realview/include/mach/platform.h
3  *
4  * Copyright (c) ARM Limited 2003.  All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #ifndef __ASM_ARCH_PLATFORM_H
22 #define __ASM_ARCH_PLATFORM_H
23 
24 /*
25  * Memory definitions
26  */
27 #define REALVIEW_BOOT_ROM_LO          0x30000000		/* DoC Base (64Mb)...*/
28 #define REALVIEW_BOOT_ROM_HI          0x30000000
29 #define REALVIEW_BOOT_ROM_BASE        REALVIEW_BOOT_ROM_HI	 /*  Normal position */
30 #define REALVIEW_BOOT_ROM_SIZE        SZ_64M
31 
32 #define REALVIEW_SSRAM_BASE           /* REALVIEW_SSMC_BASE ? */
33 #define REALVIEW_SSRAM_SIZE           SZ_2M
34 
35 /*
36  *  SDRAM
37  */
38 #define REALVIEW_SDRAM_BASE           0x00000000
39 
40 /*
41  *  Logic expansion modules
42  *
43  */
44 
45 
46 /* ------------------------------------------------------------------------
47  *  RealView Registers
48  * ------------------------------------------------------------------------
49  *
50  */
51 #define REALVIEW_SYS_ID_OFFSET               0x00
52 #define REALVIEW_SYS_SW_OFFSET               0x04
53 #define REALVIEW_SYS_LED_OFFSET              0x08
54 #define REALVIEW_SYS_OSC0_OFFSET             0x0C
55 
56 #define REALVIEW_SYS_OSC1_OFFSET             0x10
57 #define REALVIEW_SYS_OSC2_OFFSET             0x14
58 #define REALVIEW_SYS_OSC3_OFFSET             0x18
59 #define REALVIEW_SYS_OSC4_OFFSET             0x1C	/* OSC1 for RealView/AB */
60 
61 #define REALVIEW_SYS_LOCK_OFFSET             0x20
62 #define REALVIEW_SYS_100HZ_OFFSET            0x24
63 #define REALVIEW_SYS_CFGDATA1_OFFSET         0x28
64 #define REALVIEW_SYS_CFGDATA2_OFFSET         0x2C
65 #define REALVIEW_SYS_FLAGS_OFFSET            0x30
66 #define REALVIEW_SYS_FLAGSSET_OFFSET         0x30
67 #define REALVIEW_SYS_FLAGSCLR_OFFSET         0x34
68 #define REALVIEW_SYS_NVFLAGS_OFFSET          0x38
69 #define REALVIEW_SYS_NVFLAGSSET_OFFSET       0x38
70 #define REALVIEW_SYS_NVFLAGSCLR_OFFSET       0x3C
71 #define REALVIEW_SYS_RESETCTL_OFFSET         0x40
72 #define REALVIEW_SYS_PCICTL_OFFSET           0x44
73 #define REALVIEW_SYS_MCI_OFFSET              0x48
74 #define REALVIEW_SYS_FLASH_OFFSET            0x4C
75 #define REALVIEW_SYS_CLCD_OFFSET             0x50
76 #define REALVIEW_SYS_CLCDSER_OFFSET          0x54
77 #define REALVIEW_SYS_BOOTCS_OFFSET           0x58
78 #define REALVIEW_SYS_24MHz_OFFSET            0x5C
79 #define REALVIEW_SYS_MISC_OFFSET             0x60
80 #define REALVIEW_SYS_IOSEL_OFFSET            0x70
81 #define REALVIEW_SYS_PROCID_OFFSET           0x84
82 #define REALVIEW_SYS_TEST_OSC0_OFFSET        0xC0
83 #define REALVIEW_SYS_TEST_OSC1_OFFSET        0xC4
84 #define REALVIEW_SYS_TEST_OSC2_OFFSET        0xC8
85 #define REALVIEW_SYS_TEST_OSC3_OFFSET        0xCC
86 #define REALVIEW_SYS_TEST_OSC4_OFFSET        0xD0
87 
88 #define REALVIEW_SYS_BASE                    0x10000000
89 #define REALVIEW_SYS_ID                      (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
90 #define REALVIEW_SYS_SW                      (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
91 #define REALVIEW_SYS_LED                     (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
92 #define REALVIEW_SYS_OSC0                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
93 #define REALVIEW_SYS_OSC1                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
94 
95 #define REALVIEW_SYS_LOCK                    (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
96 #define REALVIEW_SYS_100HZ                   (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
97 #define REALVIEW_SYS_CFGDATA1                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
98 #define REALVIEW_SYS_CFGDATA2                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
99 #define REALVIEW_SYS_FLAGS                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
100 #define REALVIEW_SYS_FLAGSSET                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
101 #define REALVIEW_SYS_FLAGSCLR                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
102 #define REALVIEW_SYS_NVFLAGS                 (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
103 #define REALVIEW_SYS_NVFLAGSSET              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
104 #define REALVIEW_SYS_NVFLAGSCLR              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
105 #define REALVIEW_SYS_RESETCTL                (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
106 #define REALVIEW_SYS_PCICTL                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
107 #define REALVIEW_SYS_MCI                     (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
108 #define REALVIEW_SYS_FLASH                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
109 #define REALVIEW_SYS_CLCD                    (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
110 #define REALVIEW_SYS_CLCDSER                 (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
111 #define REALVIEW_SYS_BOOTCS                  (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
112 #define REALVIEW_SYS_24MHz                   (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
113 #define REALVIEW_SYS_MISC                    (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
114 #define REALVIEW_SYS_IOSEL                   (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
115 #define REALVIEW_SYS_PROCID                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PROCID_OFFSET)
116 #define REALVIEW_SYS_TEST_OSC0               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
117 #define REALVIEW_SYS_TEST_OSC1               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
118 #define REALVIEW_SYS_TEST_OSC2               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
119 #define REALVIEW_SYS_TEST_OSC3               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
120 #define REALVIEW_SYS_TEST_OSC4               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
121 
122 /* ------------------------------------------------------------------------
123  *  RealView control registers
124  * ------------------------------------------------------------------------
125  */
126 
127 /*
128  * REALVIEW_IDFIELD
129  *
130  * 31:24 = manufacturer (0x41 = ARM)
131  * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
132  * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
133  * 11:4  = build value
134  * 3:0   = revision number (0x1 = rev B (AHB))
135  */
136 
137 /*
138  * REALVIEW_SYS_LOCK
139  *     control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL,
140  *     SYS_CLD, SYS_BOOTCS
141  */
142 #define REALVIEW_SYS_LOCK_LOCKED    (1 << 16)
143 #define REALVIEW_SYS_LOCK_VAL	0xA05F	       /* Enable write access */
144 
145 /*
146  * REALVIEW_SYS_FLASH
147  */
148 #define REALVIEW_FLASHPROG_FLVPPEN	(1 << 0)	/* Enable writing to flash */
149 
150 /*
151  * REALVIEW_INTREG
152  *     - used to acknowledge and control MMCI and UART interrupts
153  */
154 #define REALVIEW_INTREG_WPROT        0x00    /* MMC protection status (no interrupt generated) */
155 #define REALVIEW_INTREG_RI0          0x01    /* Ring indicator UART0 is asserted,              */
156 #define REALVIEW_INTREG_CARDIN       0x08    /* MMCI card in detect                            */
157                                                 /* write 1 to acknowledge and clear               */
158 #define REALVIEW_INTREG_RI1          0x02    /* Ring indicator UART1 is asserted,              */
159 #define REALVIEW_INTREG_CARDINSERT   0x03    /* Signal insertion of MMC card                   */
160 
161 /*
162  * RealView common peripheral addresses
163  */
164 #define REALVIEW_SCTL_BASE            0x10001000	/* System controller */
165 #define REALVIEW_I2C_BASE             0x10002000	/* I2C control */
166 #define REALVIEW_AACI_BASE            0x10004000	/* Audio */
167 #define REALVIEW_MMCI0_BASE           0x10005000	/* MMC interface */
168 #define REALVIEW_KMI0_BASE            0x10006000	/* KMI interface */
169 #define REALVIEW_KMI1_BASE            0x10007000	/* KMI 2nd interface */
170 #define REALVIEW_CHAR_LCD_BASE        0x10008000	/* Character LCD */
171 #define REALVIEW_SCI_BASE             0x1000E000	/* Smart card controller */
172 #define REALVIEW_GPIO1_BASE           0x10014000	/* GPIO port 1 */
173 #define REALVIEW_GPIO2_BASE           0x10015000	/* GPIO port 2 */
174 #define REALVIEW_DMC_BASE             0x10018000	/* DMC configuration */
175 #define REALVIEW_DMAC_BASE            0x10030000	/* DMA controller */
176 
177 /* PCI space */
178 #define REALVIEW_PCI_BASE             0x41000000	/* PCI Interface */
179 #define REALVIEW_PCI_CFG_BASE	      0x42000000
180 #define REALVIEW_PCI_MEM_BASE0        0x44000000
181 #define REALVIEW_PCI_MEM_BASE1        0x50000000
182 #define REALVIEW_PCI_MEM_BASE2        0x60000000
183 /* Sizes of above maps */
184 #define REALVIEW_PCI_BASE_SIZE	       0x01000000
185 #define REALVIEW_PCI_CFG_BASE_SIZE    0x02000000
186 #define REALVIEW_PCI_MEM_BASE0_SIZE   0x0c000000	/* 32Mb */
187 #define REALVIEW_PCI_MEM_BASE1_SIZE   0x10000000	/* 256Mb */
188 #define REALVIEW_PCI_MEM_BASE2_SIZE   0x10000000	/* 256Mb */
189 
190 #define REALVIEW_SDRAM67_BASE         0x70000000	/* SDRAM banks 6 and 7 */
191 #define REALVIEW_LT_BASE              0x80000000	/* Logic Tile expansion */
192 
193 /*
194  * CompactFlash
195  */
196 #define REALVIEW_CF_BASE		0x18000000	/* CompactFlash */
197 #define REALVIEW_CF_MEM_BASE		0x18003000	/* SMC for CompactFlash */
198 
199 /*
200  * Disk on Chip
201  */
202 #define REALVIEW_DOC_BASE             0x2C000000
203 #define REALVIEW_DOC_SIZE             (16 << 20)
204 #define REALVIEW_DOC_PAGE_SIZE        512
205 #define REALVIEW_DOC_TOTAL_PAGES     (DOC_SIZE / PAGE_SIZE)
206 
207 #define ERASE_UNIT_PAGES    32
208 #define START_PAGE          0x80
209 
210 /*
211  *  LED settings, bits [7:0]
212  */
213 #define REALVIEW_SYS_LED0             (1 << 0)
214 #define REALVIEW_SYS_LED1             (1 << 1)
215 #define REALVIEW_SYS_LED2             (1 << 2)
216 #define REALVIEW_SYS_LED3             (1 << 3)
217 #define REALVIEW_SYS_LED4             (1 << 4)
218 #define REALVIEW_SYS_LED5             (1 << 5)
219 #define REALVIEW_SYS_LED6             (1 << 6)
220 #define REALVIEW_SYS_LED7             (1 << 7)
221 
222 #define ALL_LEDS                  0xFF
223 
224 #define LED_BANK                  REALVIEW_SYS_LED
225 
226 /*
227  * Control registers
228  */
229 #define REALVIEW_IDFIELD_OFFSET	0x0	/* RealView build information */
230 #define REALVIEW_FLASHPROG_OFFSET	0x4	/* Flash devices */
231 #define REALVIEW_INTREG_OFFSET		0x8	/* Interrupt control */
232 #define REALVIEW_DECODE_OFFSET		0xC	/* Fitted logic modules */
233 
234 /*
235  * System controller bit assignment
236  */
237 #define REALVIEW_REFCLK	0
238 #define REALVIEW_TIMCLK	1
239 
240 #define REALVIEW_TIMER1_EnSel	15
241 #define REALVIEW_TIMER2_EnSel	17
242 #define REALVIEW_TIMER3_EnSel	19
243 #define REALVIEW_TIMER4_EnSel	21
244 
245 
246 #define REALVIEW_CSR_BASE             0x10000000
247 #define REALVIEW_CSR_SIZE             0x10000000
248 
249 #endif	/* __ASM_ARCH_PLATFORM_H */
250