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1 /*
2  * arch/arm/mach-ixp23xx/include/mach/ixp23xx.h
3  *
4  * Register definitions for IXP23XX
5  *
6  * Copyright (C) 2003-2005 Intel Corporation.
7  * Copyright (C) 2005 MontaVista Software, Inc.
8  *
9  * Maintainer: Deepak Saxena <dsaxena@plexity.net>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  */
15 
16 #ifndef __ASM_ARCH_IXP23XX_H
17 #define __ASM_ARCH_IXP23XX_H
18 
19 /*
20  * IXP2300 linux memory map:
21  *
22  * virt		phys		size
23  * fffd0000	a0000000	64K		XSI2CPP_CSR
24  * fffc0000	c4000000	4K		EXP_CFG
25  * fff00000	c8000000	64K		PERIPHERAL
26  * fe000000	1c0000000	16M		CAP_CSR
27  * fd000000	1c8000000	16M		MSF_CSR
28  * fb000000			16M		---
29  * fa000000	1d8000000	32M		PCI_IO
30  * f8000000	1da000000	32M		PCI_CFG
31  * f6000000	1de000000	32M		PCI_CREG
32  * f4000000			32M		---
33  * f0000000	1e0000000	64M		PCI_MEM
34  * e[c-f]000000					per-platform mappings
35  */
36 
37 
38 /****************************************************************************
39  * Static mappings.
40  ****************************************************************************/
41 #define IXP23XX_XSI2CPP_CSR_PHYS	0xa0000000
42 #define IXP23XX_XSI2CPP_CSR_VIRT	0xfffd0000
43 #define IXP23XX_XSI2CPP_CSR_SIZE	0x00010000
44 
45 #define IXP23XX_EXP_CFG_PHYS		0xc4000000
46 #define IXP23XX_EXP_CFG_VIRT		0xfffc0000
47 #define IXP23XX_EXP_CFG_SIZE		0x00001000
48 
49 #define IXP23XX_PERIPHERAL_PHYS		0xc8000000
50 #define IXP23XX_PERIPHERAL_VIRT		0xfff00000
51 #define IXP23XX_PERIPHERAL_SIZE		0x00010000
52 
53 #define IXP23XX_CAP_CSR_PHYS		0x1c0000000ULL
54 #define IXP23XX_CAP_CSR_VIRT		0xfe000000
55 #define IXP23XX_CAP_CSR_SIZE		0x01000000
56 
57 #define IXP23XX_MSF_CSR_PHYS		0x1c8000000ULL
58 #define IXP23XX_MSF_CSR_VIRT		0xfd000000
59 #define IXP23XX_MSF_CSR_SIZE		0x01000000
60 
61 #define IXP23XX_PCI_IO_PHYS		0x1d8000000ULL
62 #define IXP23XX_PCI_IO_VIRT		0xfa000000
63 #define IXP23XX_PCI_IO_SIZE		0x02000000
64 
65 #define IXP23XX_PCI_CFG_PHYS		0x1da000000ULL
66 #define IXP23XX_PCI_CFG_VIRT		0xf8000000
67 #define IXP23XX_PCI_CFG_SIZE		0x02000000
68 #define IXP23XX_PCI_CFG0_VIRT		IXP23XX_PCI_CFG_VIRT
69 #define IXP23XX_PCI_CFG1_VIRT		(IXP23XX_PCI_CFG_VIRT + 0x01000000)
70 
71 #define IXP23XX_PCI_CREG_PHYS		0x1de000000ULL
72 #define IXP23XX_PCI_CREG_VIRT		0xf6000000
73 #define IXP23XX_PCI_CREG_SIZE		0x02000000
74 #define IXP23XX_PCI_CSR_VIRT		(IXP23XX_PCI_CREG_VIRT + 0x01000000)
75 
76 #define IXP23XX_PCI_MEM_START		0xe0000000
77 #define IXP23XX_PCI_MEM_PHYS		0x1e0000000ULL
78 #define IXP23XX_PCI_MEM_VIRT		0xf0000000
79 #define IXP23XX_PCI_MEM_SIZE		0x04000000
80 
81 
82 /****************************************************************************
83  * XSI2CPP CSRs.
84  ****************************************************************************/
85 #define IXP23XX_XSI2CPP_REG(x)		((volatile unsigned long *)(IXP23XX_XSI2CPP_CSR_VIRT + (x)))
86 #define IXP23XX_CPP2XSI_CURR_XFER_REG3	IXP23XX_XSI2CPP_REG(0xf8)
87 #define IXP23XX_CPP2XSI_ADDR_31		(1 << 19)
88 #define IXP23XX_CPP2XSI_PSH_OFF		(1 << 20)
89 #define IXP23XX_CPP2XSI_COH_OFF		(1 << 21)
90 
91 
92 /****************************************************************************
93  * Expansion Bus Config.
94  ****************************************************************************/
95 #define IXP23XX_EXP_CFG_REG(x)		((volatile unsigned long *)(IXP23XX_EXP_CFG_VIRT + (x)))
96 #define IXP23XX_EXP_CS0			IXP23XX_EXP_CFG_REG(0x00)
97 #define IXP23XX_EXP_CS1			IXP23XX_EXP_CFG_REG(0x04)
98 #define IXP23XX_EXP_CS2			IXP23XX_EXP_CFG_REG(0x08)
99 #define IXP23XX_EXP_CS3			IXP23XX_EXP_CFG_REG(0x0c)
100 #define IXP23XX_EXP_CS4			IXP23XX_EXP_CFG_REG(0x10)
101 #define IXP23XX_EXP_CS5			IXP23XX_EXP_CFG_REG(0x14)
102 #define IXP23XX_EXP_CS6			IXP23XX_EXP_CFG_REG(0x18)
103 #define IXP23XX_EXP_CS7			IXP23XX_EXP_CFG_REG(0x1c)
104 #define IXP23XX_FLASH_WRITABLE		(0x2)
105 #define IXP23XX_FLASH_BUS8		(0x1)
106 
107 #define IXP23XX_EXP_CFG0		IXP23XX_EXP_CFG_REG(0x20)
108 #define IXP23XX_EXP_CFG1		IXP23XX_EXP_CFG_REG(0x24)
109 #define IXP23XX_EXP_CFG0_MEM_MAP		(1 << 31)
110 #define IXP23XX_EXP_CFG0_XSCALE_SPEED_SEL 	(3 << 22)
111 #define IXP23XX_EXP_CFG0_XSCALE_SPEED_EN	(1 << 21)
112 #define IXP23XX_EXP_CFG0_CPP_SPEED_SEL		(3 << 19)
113 #define IXP23XX_EXP_CFG0_CPP_SPEED_EN		(1 << 18)
114 #define IXP23XX_EXP_CFG0_PCI_SWIN		(3 << 16)
115 #define IXP23XX_EXP_CFG0_PCI_DWIN		(3 << 14)
116 #define IXP23XX_EXP_CFG0_PCI33_MODE		(1 << 13)
117 #define IXP23XX_EXP_CFG0_QDR_SPEED_SEL		(1 << 12)
118 #define IXP23XX_EXP_CFG0_CPP_DIV_SEL		(1 << 5)
119 #define IXP23XX_EXP_CFG0_XSI_NOT_PRES		(1 << 4)
120 #define IXP23XX_EXP_CFG0_PROM_BOOT		(1 << 3)
121 #define IXP23XX_EXP_CFG0_PCI_ARB		(1 << 2)
122 #define IXP23XX_EXP_CFG0_PCI_HOST		(1 << 1)
123 #define IXP23XX_EXP_CFG0_FLASH_WIDTH		(1 << 0)
124 
125 #define IXP23XX_EXP_UNIT_FUSE		IXP23XX_EXP_CFG_REG(0x28)
126 #define IXP23XX_EXP_MSF_MUX		IXP23XX_EXP_CFG_REG(0x30)
127 #define IXP23XX_EXP_CFG_FUSE		IXP23XX_EXP_CFG_REG(0x34)
128 
129 #define IXP23XX_EXP_BUS_PHYS		0x90000000
130 #define IXP23XX_EXP_BUS_WINDOW_SIZE	0x01000000
131 
132 #define IXP23XX_EXP_BUS_CS0_BASE	(IXP23XX_EXP_BUS_PHYS + 0x00000000)
133 #define IXP23XX_EXP_BUS_CS1_BASE	(IXP23XX_EXP_BUS_PHYS + 0x01000000)
134 #define IXP23XX_EXP_BUS_CS2_BASE	(IXP23XX_EXP_BUS_PHYS + 0x02000000)
135 #define IXP23XX_EXP_BUS_CS3_BASE	(IXP23XX_EXP_BUS_PHYS + 0x03000000)
136 #define IXP23XX_EXP_BUS_CS4_BASE	(IXP23XX_EXP_BUS_PHYS + 0x04000000)
137 #define IXP23XX_EXP_BUS_CS5_BASE	(IXP23XX_EXP_BUS_PHYS + 0x05000000)
138 #define IXP23XX_EXP_BUS_CS6_BASE	(IXP23XX_EXP_BUS_PHYS + 0x06000000)
139 #define IXP23XX_EXP_BUS_CS7_BASE	(IXP23XX_EXP_BUS_PHYS + 0x07000000)
140 
141 
142 /****************************************************************************
143  * Peripherals.
144  ****************************************************************************/
145 #define IXP23XX_UART1_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x0000)
146 #define IXP23XX_UART2_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x1000)
147 #define IXP23XX_PMU_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x2000)
148 #define IXP23XX_INTC_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x3000)
149 #define IXP23XX_GPIO_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x4000)
150 #define IXP23XX_TIMER_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x5000)
151 #define IXP23XX_NPE0_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x6000)
152 #define IXP23XX_DSR_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x7000)
153 #define IXP23XX_NPE1_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x8000)
154 #define IXP23XX_ETH0_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0x9000)
155 #define IXP23XX_ETH1_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0xA000)
156 #define IXP23XX_GIG0_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0xB000)
157 #define IXP23XX_GIG1_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0xC000)
158 #define IXP23XX_DDRS_VIRT		(IXP23XX_PERIPHERAL_VIRT + 0xD000)
159 
160 #define IXP23XX_UART1_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x0000)
161 #define IXP23XX_UART2_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x1000)
162 #define IXP23XX_PMU_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x2000)
163 #define IXP23XX_INTC_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x3000)
164 #define IXP23XX_GPIO_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x4000)
165 #define IXP23XX_TIMER_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x5000)
166 #define IXP23XX_NPE0_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x6000)
167 #define IXP23XX_DSR_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x7000)
168 #define IXP23XX_NPE1_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x8000)
169 #define IXP23XX_ETH0_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0x9000)
170 #define IXP23XX_ETH1_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0xA000)
171 #define IXP23XX_GIG0_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0xB000)
172 #define IXP23XX_GIG1_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0xC000)
173 #define IXP23XX_DDRS_PHYS		(IXP23XX_PERIPHERAL_PHYS + 0xD000)
174 
175 
176 /****************************************************************************
177  * Interrupt controller.
178  ****************************************************************************/
179 #define IXP23XX_INTC_REG(x)		 ((volatile unsigned long *)(IXP23XX_INTC_VIRT + (x)))
180 #define IXP23XX_INTR_ST1		IXP23XX_INTC_REG(0x00)
181 #define IXP23XX_INTR_ST2		IXP23XX_INTC_REG(0x04)
182 #define IXP23XX_INTR_ST3		IXP23XX_INTC_REG(0x08)
183 #define IXP23XX_INTR_ST4		IXP23XX_INTC_REG(0x0c)
184 #define IXP23XX_INTR_EN1		IXP23XX_INTC_REG(0x10)
185 #define IXP23XX_INTR_EN2		IXP23XX_INTC_REG(0x14)
186 #define IXP23XX_INTR_EN3		IXP23XX_INTC_REG(0x18)
187 #define IXP23XX_INTR_EN4		IXP23XX_INTC_REG(0x1c)
188 #define IXP23XX_INTR_SEL1		IXP23XX_INTC_REG(0x20)
189 #define IXP23XX_INTR_SEL2		IXP23XX_INTC_REG(0x24)
190 #define IXP23XX_INTR_SEL3		IXP23XX_INTC_REG(0x28)
191 #define IXP23XX_INTR_SEL4		IXP23XX_INTC_REG(0x2c)
192 #define IXP23XX_INTR_IRQ_ST1		IXP23XX_INTC_REG(0x30)
193 #define IXP23XX_INTR_IRQ_ST2		IXP23XX_INTC_REG(0x34)
194 #define IXP23XX_INTR_IRQ_ST3		IXP23XX_INTC_REG(0x38)
195 #define IXP23XX_INTR_IRQ_ST4		IXP23XX_INTC_REG(0x3c)
196 #define IXP23XX_INTR_IRQ_ENC_ST_OFFSET	0x54
197 
198 
199 /****************************************************************************
200  * GPIO.
201  ****************************************************************************/
202 #define IXP23XX_GPIO_REG(x)		((volatile unsigned long *)(IXP23XX_GPIO_VIRT + (x)))
203 #define IXP23XX_GPIO_GPOUTR		IXP23XX_GPIO_REG(0x00)
204 #define IXP23XX_GPIO_GPOER		IXP23XX_GPIO_REG(0x04)
205 #define IXP23XX_GPIO_GPINR		IXP23XX_GPIO_REG(0x08)
206 #define IXP23XX_GPIO_GPISR		IXP23XX_GPIO_REG(0x0c)
207 #define IXP23XX_GPIO_GPIT1R		IXP23XX_GPIO_REG(0x10)
208 #define IXP23XX_GPIO_GPIT2R		IXP23XX_GPIO_REG(0x14)
209 #define IXP23XX_GPIO_GPCLKR		IXP23XX_GPIO_REG(0x18)
210 #define IXP23XX_GPIO_GPDBSELR 		IXP23XX_GPIO_REG(0x1c)
211 
212 #define IXP23XX_GPIO_STYLE_MASK		0x7
213 #define IXP23XX_GPIO_STYLE_ACTIVE_HIGH	0x0
214 #define IXP23XX_GPIO_STYLE_ACTIVE_LOW	0x1
215 #define IXP23XX_GPIO_STYLE_RISING_EDGE	0x2
216 #define IXP23XX_GPIO_STYLE_FALLING_EDGE	0x3
217 #define IXP23XX_GPIO_STYLE_TRANSITIONAL	0x4
218 
219 #define IXP23XX_GPIO_STYLE_SIZE		3
220 
221 
222 /****************************************************************************
223  * Timer.
224  ****************************************************************************/
225 #define IXP23XX_TIMER_REG(x)		((volatile unsigned long *)(IXP23XX_TIMER_VIRT + (x)))
226 #define IXP23XX_TIMER_CONT		IXP23XX_TIMER_REG(0x00)
227 #define IXP23XX_TIMER1_TIMESTAMP	IXP23XX_TIMER_REG(0x04)
228 #define IXP23XX_TIMER1_RELOAD		IXP23XX_TIMER_REG(0x08)
229 #define IXP23XX_TIMER2_TIMESTAMP	IXP23XX_TIMER_REG(0x0c)
230 #define IXP23XX_TIMER2_RELOAD		IXP23XX_TIMER_REG(0x10)
231 #define IXP23XX_TIMER_WDOG		IXP23XX_TIMER_REG(0x14)
232 #define IXP23XX_TIMER_WDOG_EN		IXP23XX_TIMER_REG(0x18)
233 #define IXP23XX_TIMER_WDOG_KEY		IXP23XX_TIMER_REG(0x1c)
234 #define IXP23XX_TIMER_WDOG_KEY_MAGIC	0x482e
235 #define IXP23XX_TIMER_STATUS		IXP23XX_TIMER_REG(0x20)
236 #define IXP23XX_TIMER_SOFT_RESET	IXP23XX_TIMER_REG(0x24)
237 #define IXP23XX_TIMER_SOFT_RESET_EN	IXP23XX_TIMER_REG(0x28)
238 
239 #define IXP23XX_TIMER_ENABLE		(1 << 0)
240 #define IXP23XX_TIMER_ONE_SHOT		(1 << 1)
241 /* Low order bits of reload value ignored */
242 #define IXP23XX_TIMER_RELOAD_MASK	(0x3)
243 #define IXP23XX_TIMER_DISABLED		(0x0)
244 #define IXP23XX_TIMER1_INT_PEND		(1 << 0)
245 #define IXP23XX_TIMER2_INT_PEND		(1 << 1)
246 #define IXP23XX_TIMER_STATUS_TS_PEND	(1 << 2)
247 #define IXP23XX_TIMER_STATUS_WDOG_PEND	(1 << 3)
248 #define IXP23XX_TIMER_STATUS_WARM_RESET	(1 << 4)
249 
250 
251 /****************************************************************************
252  * CAP CSRs.
253  ****************************************************************************/
254 #define IXP23XX_GLOBAL_REG(x)		((volatile unsigned long *)(IXP23XX_CAP_CSR_VIRT + 0x4a00 + (x)))
255 #define IXP23XX_PRODUCT_ID		IXP23XX_GLOBAL_REG(0x00)
256 #define IXP23XX_MISC_CONTROL		IXP23XX_GLOBAL_REG(0x04)
257 #define IXP23XX_MSF_CLK_CNTRL		IXP23XX_GLOBAL_REG(0x08)
258 #define IXP23XX_RESET0			IXP23XX_GLOBAL_REG(0x0c)
259 #define IXP23XX_RESET1			IXP23XX_GLOBAL_REG(0x10)
260 #define IXP23XX_STRAP_OPTIONS		IXP23XX_GLOBAL_REG(0x18)
261 
262 #define IXP23XX_ENABLE_WATCHDOG		(1 << 24)
263 #define IXP23XX_SHPC_INIT_COMP		(1 << 21)
264 #define IXP23XX_RST_ALL			(1 << 16)
265 #define IXP23XX_RESET_PCI		(1 << 2)
266 #define IXP23XX_PCI_UNIT_RESET		(1 << 1)
267 #define IXP23XX_XSCALE_RESET		(1 << 0)
268 
269 #define IXP23XX_UENGINE_CSR_VIRT_BASE	(IXP23XX_CAP_CSR_VIRT + 0x18000)
270 
271 
272 /****************************************************************************
273  * PCI CSRs.
274  ****************************************************************************/
275 #define IXP23XX_PCI_CREG(x)		((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + (x)))
276 #define IXP23XX_PCI_CMDSTAT		IXP23XX_PCI_CREG(0x04)
277 #define IXP23XX_PCI_SRAM_BAR		IXP23XX_PCI_CREG(0x14)
278 #define IXP23XX_PCI_SDRAM_BAR		IXP23XX_PCI_CREG(0x18)
279 
280 
281 #define IXP23XX_PCI_CSR(x)		((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + 0x01000000 + (x)))
282 #define IXP23XX_PCI_OUT_INT_STATUS	IXP23XX_PCI_CSR(0x0030)
283 #define IXP23XX_PCI_OUT_INT_MASK	IXP23XX_PCI_CSR(0x0034)
284 #define IXP23XX_PCI_SRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x00fc)
285 #define IXP23XX_PCI_DRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x0100)
286 #define IXP23XX_PCI_CONTROL		IXP23XX_PCI_CSR(0x013c)
287 #define IXP23XX_PCI_ADDR_EXT		IXP23XX_PCI_CSR(0x0140)
288 #define IXP23XX_PCI_ME_PUSH_STATUS	IXP23XX_PCI_CSR(0x0148)
289 #define IXP23XX_PCI_ME_PUSH_EN		IXP23XX_PCI_CSR(0x014c)
290 #define IXP23XX_PCI_ERR_STATUS		IXP23XX_PCI_CSR(0x0150)
291 #define IXP23XX_PCI_ERROR_STATUS	IXP23XX_PCI_CSR(0x0150)
292 #define IXP23XX_PCI_ERR_ENABLE		IXP23XX_PCI_CSR(0x0154)
293 #define IXP23XX_PCI_XSCALE_INT_STATUS	IXP23XX_PCI_CSR(0x0158)
294 #define IXP23XX_PCI_XSCALE_INT_ENABLE	IXP23XX_PCI_CSR(0x015c)
295 #define IXP23XX_PCI_CPP_ADDR_BITS	IXP23XX_PCI_CSR(0x0160)
296 
297 
298 #endif
299