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Lennert Buytenhekc4713072006-03-28 21:18:54 +01001/*
2 * include/asm-arm/arch-ixp23xx/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)
Lennert Buytenhek8b76a682006-06-22 10:30:56 +0100127#define IXP23XX_EXP_CFG_FUSE IXP23XX_EXP_CFG_REG(0x34)
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100128
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)))
Lennert Buytenheke6fea6a52006-06-20 19:26:41 +0100255#define IXP23XX_PRODUCT_ID IXP23XX_GLOBAL_REG(0x00)
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100256#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
Lennert Buytenhek8b76a682006-06-22 10:30:56 +0100269#define IXP23XX_UENGINE_CSR_VIRT_BASE (IXP23XX_CAP_CSR_VIRT + 0x18000)
270
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100271
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
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100298#endif