2 * include/asm-arm/arch-ixp425/ixp425.h
4 * Register definitions for IXP425
6 * Copyright (C) 2002 Intel Corporation.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
14 #ifndef _ASM_ARM_IXP425_H_
15 #define _ASM_ARM_IXP425_H_
17 #define BIT(x) (1<<(x))
19 /* FIXME: Only this does work for u-boot... find out why... [RS] */
20 #define UBOOT_REG_FIX 1
25 # define io_p2v(PhAdd) (PhAdd)
26 # define __REG(x) (*((volatile u32 *)io_p2v(x)))
27 # define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y)))
31 #endif /* UBOOT_REG_FIX */
37 * Phy Phy Size Map Size Virt Description
38 * =========================================================================
40 * 0x00000000 0x10000000 SDRAM 1
42 * 0x10000000 0x10000000 SDRAM 2
44 * 0x20000000 0x10000000 SDRAM 3
46 * 0x30000000 0x10000000 SDRAM 4
48 * The above four are aliases to the same memory location (0x00000000)
50 * 0x48000000 0x4000000 PCI Memory
52 * 0x50000000 0x10000000 Not Mapped EXP BUS
54 * 0x6000000 0x00004000 0x4000 0xFFFEB000 QMgr
56 * 0xC0000000 0x100 0x1000 0xFFFDD000 PCI CFG
58 * 0xC4000000 0x100 0x1000 0xFFFDE000 EXP CFG
60 * 0xC8000000 0xC000 0xC000 0xFFFDF000 PERIPHERAL
62 * 0xCC000000 0x100 0x1000 Not Mapped SDRAM CFG
68 #define IXP425_SDRAM_BASE (0x00000000)
69 #define IXP425_SDRAM_BASE_ALT (0x10000000)
73 * PCI Configuration space
75 #define IXP425_PCI_CFG_BASE_PHYS (0xC0000000)
76 #define IXP425_PCI_CFG_BASE_VIRT (0xFFFD0000)
77 #define IXP425_PCI_CFG_REGION_SIZE (0x00001000)
80 * Expansion BUS Configuration registers
82 #define IXP425_EXP_CFG_BASE_PHYS (0xC4000000)
83 #define IXP425_EXP_CFG_BASE_VIRT (0xFFFD1000)
84 #define IXP425_EXP_CFG_REGION_SIZE (0x00001000)
89 #define IXP425_PERIPHERAL_BASE_PHYS (0xC8000000)
90 #define IXP425_PERIPHERAL_BASE_VIRT (0xFFFD2000)
91 #define IXP425_PERIPHERAL_REGION_SIZE (0x0000C000)
94 * SDRAM configuration registers
96 #define IXP425_SDRAM_CFG_BASE_PHYS (0xCC000000)
99 * Q Manager space .. not static mapped
101 #define IXP425_QMGR_BASE_PHYS (0x60000000)
102 #define IXP425_QMGR_BASE_VIRT (0xFFFDE000)
103 #define IXP425_QMGR_REGION_SIZE (0x00004000)
108 * Expansion Bus 'lives' at either base1 or base 2 depending on the value of
109 * Exp Bus config registers:
111 * Setting bit 31 of IXP425_EXP_CFG0 puts SDRAM at zero,
112 * and The expansion bus to IXP425_EXP_BUS_BASE2
114 #define IXP425_EXP_BUS_BASE1_PHYS (0x00000000)
115 #define IXP425_EXP_BUS_BASE2_PHYS (0x50000000)
116 #define IXP425_EXP_BUS_BASE2_VIRT (0xF0000000)
118 #define IXP425_EXP_BUS_BASE_PHYS IXP425_EXP_BUS_BASE2_PHYS
119 #define IXP425_EXP_BUS_BASE_VIRT IXP425_EXP_BUS_BASE2_VIRT
121 #define IXP425_EXP_BUS_REGION_SIZE (0x08000000)
122 #define IXP425_EXP_BUS_CSX_REGION_SIZE (0x01000000)
124 #define IXP425_EXP_BUS_CS0_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x00000000)
125 #define IXP425_EXP_BUS_CS1_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x01000000)
126 #define IXP425_EXP_BUS_CS2_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x02000000)
127 #define IXP425_EXP_BUS_CS3_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x03000000)
128 #define IXP425_EXP_BUS_CS4_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x04000000)
129 #define IXP425_EXP_BUS_CS5_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x05000000)
130 #define IXP425_EXP_BUS_CS6_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x06000000)
131 #define IXP425_EXP_BUS_CS7_BASE_PHYS (IXP425_EXP_BUS_BASE2_PHYS + 0x07000000)
133 #define IXP425_EXP_BUS_CS0_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x00000000)
134 #define IXP425_EXP_BUS_CS1_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x01000000)
135 #define IXP425_EXP_BUS_CS2_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x02000000)
136 #define IXP425_EXP_BUS_CS3_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x03000000)
137 #define IXP425_EXP_BUS_CS4_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x04000000)
138 #define IXP425_EXP_BUS_CS5_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x05000000)
139 #define IXP425_EXP_BUS_CS6_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x06000000)
140 #define IXP425_EXP_BUS_CS7_BASE_VIRT (IXP425_EXP_BUS_BASE2_VIRT + 0x07000000)
142 #define IXP425_FLASH_WRITABLE (0x2)
143 #define IXP425_FLASH_DEFAULT (0xbcd23c40)
144 #define IXP425_FLASH_WRITE (0xbcd23c42)
147 #define IXP425_EXP_CS0_OFFSET 0x00
148 #define IXP425_EXP_CS1_OFFSET 0x04
149 #define IXP425_EXP_CS2_OFFSET 0x08
150 #define IXP425_EXP_CS3_OFFSET 0x0C
151 #define IXP425_EXP_CS4_OFFSET 0x10
152 #define IXP425_EXP_CS5_OFFSET 0x14
153 #define IXP425_EXP_CS6_OFFSET 0x18
154 #define IXP425_EXP_CS7_OFFSET 0x1C
155 #define IXP425_EXP_CFG0_OFFSET 0x20
156 #define IXP425_EXP_CFG1_OFFSET 0x24
157 #define IXP425_EXP_CFG2_OFFSET 0x28
158 #define IXP425_EXP_CFG3_OFFSET 0x2C
161 * Expansion Bus Controller registers.
164 #define IXP425_EXP_REG(x) ((volatile u32 *)(IXP425_EXP_CFG_BASE_VIRT+(x)))
166 #define IXP425_EXP_REG(x) (IXP425_EXP_CFG_BASE_PHYS+(x))
169 #define IXP425_EXP_CS0 IXP425_EXP_REG(IXP425_EXP_CS0_OFFSET)
170 #define IXP425_EXP_CS1 IXP425_EXP_REG(IXP425_EXP_CS1_OFFSET)
171 #define IXP425_EXP_CS2 IXP425_EXP_REG(IXP425_EXP_CS2_OFFSET)
172 #define IXP425_EXP_CS3 IXP425_EXP_REG(IXP425_EXP_CS3_OFFSET)
173 #define IXP425_EXP_CS4 IXP425_EXP_REG(IXP425_EXP_CS4_OFFSET)
174 #define IXP425_EXP_CS5 IXP425_EXP_REG(IXP425_EXP_CS5_OFFSET)
175 #define IXP425_EXP_CS6 IXP425_EXP_REG(IXP425_EXP_CS6_OFFSET)
176 #define IXP425_EXP_CS7 IXP425_EXP_REG(IXP425_EXP_CS7_OFFSET)
178 #define IXP425_EXP_CFG0 IXP425_EXP_REG(IXP425_EXP_CFG0_OFFSET)
179 #define IXP425_EXP_CFG1 IXP425_EXP_REG(IXP425_EXP_CFG1_OFFSET)
180 #define IXP425_EXP_CFG2 IXP425_EXP_REG(IXP425_EXP_CFG2_OFFSET)
181 #define IXP425_EXP_CFG3 IXP425_EXP_REG(IXP425_EXP_CFG3_OFFSET)
184 * SDRAM Controller registers.
186 #define IXP425_SDR_CONFIG_OFFSET 0x00
187 #define IXP425_SDR_REFRESH_OFFSET 0x04
188 #define IXP425_SDR_IR_OFFSET 0x08
190 #define IXP425_SDRAM_REG(x) (IXP425_SDRAM_CFG_BASE_PHYS+(x))
192 #define IXP425_SDR_CONFIG IXP425_SDRAM_REG(IXP425_SDR_CONFIG_OFFSET)
193 #define IXP425_SDR_REFRESH IXP425_SDRAM_REG(IXP425_SDR_REFRESH_OFFSET)
194 #define IXP425_SDR_IR IXP425_SDRAM_REG(IXP425_SDR_IR_OFFSET)
199 #define IXP425_UART1 0
200 #define IXP425_UART2 0x1000
202 #define IXP425_UART_RBR_OFFSET 0x00
203 #define IXP425_UART_THR_OFFSET 0x00
204 #define IXP425_UART_DLL_OFFSET 0x00
205 #define IXP425_UART_IER_OFFSET 0x04
206 #define IXP425_UART_DLH_OFFSET 0x04
207 #define IXP425_UART_IIR_OFFSET 0x08
208 #define IXP425_UART_FCR_OFFSET 0x00
209 #define IXP425_UART_LCR_OFFSET 0x0c
210 #define IXP425_UART_MCR_OFFSET 0x10
211 #define IXP425_UART_LSR_OFFSET 0x14
212 #define IXP425_UART_MSR_OFFSET 0x18
213 #define IXP425_UART_SPR_OFFSET 0x1c
214 #define IXP425_UART_ISR_OFFSET 0x20
216 #define IXP425_UART_CFG_BASE_PHYS (0xc8000000)
218 #define RBR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_RBR_OFFSET)
219 #define THR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_THR_OFFSET)
220 #define DLL(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_DLL_OFFSET)
221 #define IER(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_IER_OFFSET)
222 #define DLH(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_DLH_OFFSET)
223 #define IIR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_IIR_OFFSET)
224 #define FCR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_FCR_OFFSET)
225 #define LCR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_LCR_OFFSET)
226 #define MCR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_MCR_OFFSET)
227 #define LSR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_LSR_OFFSET)
228 #define MSR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_MSR_OFFSET)
229 #define SPR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_SPR_OFFSET)
230 #define ISR(x) __REG(IXP425_UART_CFG_BASE_PHYS+(x)+IXP425_UART_ISR_OFFSET)
232 #define IER_DMAE (1 << 7) /* DMA Requests Enable */
233 #define IER_UUE (1 << 6) /* UART Unit Enable */
234 #define IER_NRZE (1 << 5) /* NRZ coding Enable */
235 #define IER_RTIOE (1 << 4) /* Receiver Time Out Interrupt Enable */
236 #define IER_MIE (1 << 3) /* Modem Interrupt Enable */
237 #define IER_RLSE (1 << 2) /* Receiver Line Status Interrupt Enable */
238 #define IER_TIE (1 << 1) /* Transmit Data request Interrupt Enable */
239 #define IER_RAVIE (1 << 0) /* Receiver Data Available Interrupt Enable */
241 #define IIR_FIFOES1 (1 << 7) /* FIFO Mode Enable Status */
242 #define IIR_FIFOES0 (1 << 6) /* FIFO Mode Enable Status */
243 #define IIR_TOD (1 << 3) /* Time Out Detected */
244 #define IIR_IID2 (1 << 2) /* Interrupt Source Encoded */
245 #define IIR_IID1 (1 << 1) /* Interrupt Source Encoded */
246 #define IIR_IP (1 << 0) /* Interrupt Pending (active low) */
248 #define FCR_ITL2 (1 << 7) /* Interrupt Trigger Level */
249 #define FCR_ITL1 (1 << 6) /* Interrupt Trigger Level */
250 #define FCR_RESETTF (1 << 2) /* Reset Transmitter FIFO */
251 #define FCR_RESETRF (1 << 1) /* Reset Receiver FIFO */
252 #define FCR_TRFIFOE (1 << 0) /* Transmit and Receive FIFO Enable */
253 #define FCR_ITL_1 (0)
254 #define FCR_ITL_8 (FCR_ITL1)
255 #define FCR_ITL_16 (FCR_ITL2)
256 #define FCR_ITL_32 (FCR_ITL2|FCR_ITL1)
258 #define LCR_DLAB (1 << 7) /* Divisor Latch Access Bit */
259 #define LCR_SB (1 << 6) /* Set Break */
260 #define LCR_STKYP (1 << 5) /* Sticky Parity */
261 #define LCR_EPS (1 << 4) /* Even Parity Select */
262 #define LCR_PEN (1 << 3) /* Parity Enable */
263 #define LCR_STB (1 << 2) /* Stop Bit */
264 #define LCR_WLS1 (1 << 1) /* Word Length Select */
265 #define LCR_WLS0 (1 << 0) /* Word Length Select */
267 #define LSR_FIFOE (1 << 7) /* FIFO Error Status */
268 #define LSR_TEMT (1 << 6) /* Transmitter Empty */
269 #define LSR_TDRQ (1 << 5) /* Transmit Data Request */
270 #define LSR_BI (1 << 4) /* Break Interrupt */
271 #define LSR_FE (1 << 3) /* Framing Error */
272 #define LSR_PE (1 << 2) /* Parity Error */
273 #define LSR_OE (1 << 1) /* Overrun Error */
274 #define LSR_DR (1 << 0) /* Data Ready */
276 #define MCR_LOOP (1 << 4) */
277 #define MCR_OUT2 (1 << 3) /* force MSR_DCD in loopback mode */
278 #define MCR_OUT1 (1 << 2) /* force MSR_RI in loopback mode */
279 #define MCR_RTS (1 << 1) /* Request to Send */
280 #define MCR_DTR (1 << 0) /* Data Terminal Ready */
282 #define MSR_DCD (1 << 7) /* Data Carrier Detect */
283 #define MSR_RI (1 << 6) /* Ring Indicator */
284 #define MSR_DSR (1 << 5) /* Data Set Ready */
285 #define MSR_CTS (1 << 4) /* Clear To Send */
286 #define MSR_DDCD (1 << 3) /* Delta Data Carrier Detect */
287 #define MSR_TERI (1 << 2) /* Trailing Edge Ring Indicator */
288 #define MSR_DDSR (1 << 1) /* Delta Data Set Ready */
289 #define MSR_DCTS (1 << 0) /* Delta Clear To Send */
291 #define IXP425_CONSOLE_UART_BASE_VIRT IXP425_UART1_BASE_VIRT
292 #define IXP425_CONSOLE_UART_BASE_PHYS IXP425_UART1_BASE_PHYS
294 * Peripheral Space Registers
296 #define IXP425_UART1_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x0000)
297 #define IXP425_UART2_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x1000)
298 #define IXP425_PMU_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x2000)
299 #define IXP425_INTC_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x3000)
300 #define IXP425_GPIO_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x4000)
301 #define IXP425_TIMER_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x5000)
302 #define IXP425_NPEA_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x6000)
303 #define IXP425_NPEB_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x7000)
304 #define IXP425_NPEC_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x8000)
305 #define IXP425_EthA_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0x9000)
306 #define IXP425_EthB_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0xA000)
307 #define IXP425_USB_BASE_PHYS (IXP425_PERIPHERAL_BASE_PHYS + 0xB000)
309 #define IXP425_UART1_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x0000)
310 #define IXP425_UART2_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x1000)
311 #define IXP425_PMU_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x2000)
312 #define IXP425_INTC_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x3000)
313 #define IXP425_GPIO_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x4000)
314 #define IXP425_TIMER_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x5000)
315 #define IXP425_NPEA_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x6000)
316 #define IXP425_NPEB_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x7000)
317 #define IXP425_NPEC_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x8000)
318 #define IXP425_EthA_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0x9000)
319 #define IXP425_EthB_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0xA000)
320 #define IXP425_USB_BASE_VIRT (IXP425_PERIPHERAL_BASE_VIRT + 0xB000)
324 * UART Register Definitions , Offsets only as there are 2 UARTS.
325 * IXP425_UART1_BASE , IXP425_UART2_BASE.
328 #undef UART_NO_RX_INTERRUPT
330 #define IXP425_UART_XTAL 14745600
333 * Constants to make it easy to access Interrupt Controller registers
335 #define IXP425_ICPR_OFFSET 0x00 /* Interrupt Status */
336 #define IXP425_ICMR_OFFSET 0x04 /* Interrupt Enable */
337 #define IXP425_ICLR_OFFSET 0x08 /* Interrupt IRQ/FIQ Select */
338 #define IXP425_ICIP_OFFSET 0x0C /* IRQ Status */
339 #define IXP425_ICFP_OFFSET 0x10 /* FIQ Status */
340 #define IXP425_ICHR_OFFSET 0x14 /* Interrupt Priority */
341 #define IXP425_ICIH_OFFSET 0x18 /* IRQ Highest Pri Int */
342 #define IXP425_ICFH_OFFSET 0x1C /* FIQ Highest Pri Int */
345 * Interrupt Controller Register Definitions.
348 #define IXP425_INTC_REG(x) ((volatile u32 *)(IXP425_INTC_BASE_VIRT+(x)))
350 #define IXP425_INTC_REG(x) (IXP425_INTC_BASE_PHYS+(x))
353 #define IXP425_ICPR IXP425_INTC_REG(IXP425_ICPR_OFFSET)
354 #define IXP425_ICMR IXP425_INTC_REG(IXP425_ICMR_OFFSET)
355 #define IXP425_ICLR IXP425_INTC_REG(IXP425_ICLR_OFFSET)
356 #define IXP425_ICIP IXP425_INTC_REG(IXP425_ICIP_OFFSET)
357 #define IXP425_ICFP IXP425_INTC_REG(IXP425_ICFP_OFFSET)
358 #define IXP425_ICHR IXP425_INTC_REG(IXP425_ICHR_OFFSET)
359 #define IXP425_ICIH IXP425_INTC_REG(IXP425_ICIH_OFFSET)
360 #define IXP425_ICFH IXP425_INTC_REG(IXP425_ICFH_OFFSET)
363 * Constants to make it easy to access GPIO registers
365 #define IXP425_GPIO_GPOUTR_OFFSET 0x00
366 #define IXP425_GPIO_GPOER_OFFSET 0x04
367 #define IXP425_GPIO_GPINR_OFFSET 0x08
368 #define IXP425_GPIO_GPISR_OFFSET 0x0C
369 #define IXP425_GPIO_GPIT1R_OFFSET 0x10
370 #define IXP425_GPIO_GPIT2R_OFFSET 0x14
371 #define IXP425_GPIO_GPCLKR_OFFSET 0x18
372 #define IXP425_GPIO_GPDBSELR_OFFSET 0x1C
375 * GPIO Register Definitions.
376 * [Only perform 32bit reads/writes]
378 #define IXP425_GPIO_REG(x) ((volatile u32 *)(IXP425_GPIO_BASE_VIRT+(x)))
380 #define IXP425_GPIO_GPOUTR IXP425_GPIO_REG(IXP425_GPIO_GPOUTR_OFFSET)
381 #define IXP425_GPIO_GPOER IXP425_GPIO_REG(IXP425_GPIO_GPOER_OFFSET)
382 #define IXP425_GPIO_GPINR IXP425_GPIO_REG(IXP425_GPIO_GPINR_OFFSET)
383 #define IXP425_GPIO_GPISR IXP425_GPIO_REG(IXP425_GPIO_GPISR_OFFSET)
384 #define IXP425_GPIO_GPIT1R IXP425_GPIO_REG(IXP425_GPIO_GPIT1R_OFFSET)
385 #define IXP425_GPIO_GPIT2R IXP425_GPIO_REG(IXP425_GPIO_GPIT2R_OFFSET)
386 #define IXP425_GPIO_GPCLKR IXP425_GPIO_REG(IXP425_GPIO_GPCLKR_OFFSET)
387 #define IXP425_GPIO_GPDBSELR IXP425_GPIO_REG(IXP425_GPIO_GPDBSELR_OFFSET)
390 * Constants to make it easy to access Timer Control/Status registers
392 #define IXP425_OSTS_OFFSET 0x00 /* Continious TimeStamp */
393 #define IXP425_OST1_OFFSET 0x04 /* Timer 1 Timestamp */
394 #define IXP425_OSRT1_OFFSET 0x08 /* Timer 1 Reload */
395 #define IXP425_OST2_OFFSET 0x0C /* Timer 2 Timestamp */
396 #define IXP425_OSRT2_OFFSET 0x10 /* Timer 2 Reload */
397 #define IXP425_OSWT_OFFSET 0x14 /* Watchdog Timer */
398 #define IXP425_OSWE_OFFSET 0x18 /* Watchdog Enable */
399 #define IXP425_OSWK_OFFSET 0x1C /* Watchdog Key */
400 #define IXP425_OSST_OFFSET 0x20 /* Timer Status */
403 * Operating System Timer Register Definitions.
407 #define IXP425_TIMER_REG(x) ((volatile u32 *)(IXP425_TIMER_BASE_PHYS+(x)))
409 #define IXP425_TIMER_REG(x) (IXP425_TIMER_BASE_PHYS+(x))
412 #define IXP425_OSTS IXP425_TIMER_REG(IXP425_OSTS_OFFSET)
413 #define IXP425_OST1 IXP425_TIMER_REG(IXP425_OST1_OFFSET)
414 #define IXP425_OSRT1 IXP425_TIMER_REG(IXP425_OSRT1_OFFSET)
415 #define IXP425_OST2 IXP425_TIMER_REG(IXP425_OST2_OFFSET)
416 #define IXP425_OSRT2 IXP425_TIMER_REG(IXP425_OSRT2_OFFSET)
417 #define IXP425_OSWT IXP425_TIMER_REG(IXP425_OSWT_OFFSET)
418 #define IXP425_OSWE IXP425_TIMER_REG(IXP425_OSWE_OFFSET)
419 #define IXP425_OSWK IXP425_TIMER_REG(IXP425_OSWK_OFFSET)
420 #define IXP425_OSST IXP425_TIMER_REG(IXP425_OSST_OFFSET)
423 * Timer register values and bit definitions
425 #define IXP425_OST_ENABLE BIT(0)
426 #define IXP425_OST_ONE_SHOT BIT(1)
427 /* Low order bits of reload value ignored */
428 #define IXP425_OST_RELOAD_MASK (0x3)
429 #define IXP425_OST_DISABLED (0x0)
430 #define IXP425_OSST_TIMER_1_PEND BIT(0)
431 #define IXP425_OSST_TIMER_2_PEND BIT(1)
432 #define IXP425_OSST_TIMER_TS_PEND BIT(2)
433 #define IXP425_OSST_TIMER_WDOG_PEND BIT(3)
434 #define IXP425_OSST_TIMER_WARM_RESET BIT(4)
437 * Constants to make it easy to access PCI Control/Status registers
439 #define PCI_NP_AD_OFFSET 0x00
440 #define PCI_NP_CBE_OFFSET 0x04
441 #define PCI_NP_WDATA_OFFSET 0x08
442 #define PCI_NP_RDATA_OFFSET 0x0c
443 #define PCI_CRP_AD_CBE_OFFSET 0x10
444 #define PCI_CRP_WDATA_OFFSET 0x14
445 #define PCI_CRP_RDATA_OFFSET 0x18
446 #define PCI_CSR_OFFSET 0x1c
447 #define PCI_ISR_OFFSET 0x20
448 #define PCI_INTEN_OFFSET 0x24
449 #define PCI_DMACTRL_OFFSET 0x28
450 #define PCI_AHBMEMBASE_OFFSET 0x2c
451 #define PCI_AHBIOBASE_OFFSET 0x30
452 #define PCI_PCIMEMBASE_OFFSET 0x34
453 #define PCI_AHBDOORBELL_OFFSET 0x38
454 #define PCI_PCIDOORBELL_OFFSET 0x3C
455 #define PCI_ATPDMA0_AHBADDR_OFFSET 0x40
456 #define PCI_ATPDMA0_PCIADDR_OFFSET 0x44
457 #define PCI_ATPDMA0_LENADDR_OFFSET 0x48
458 #define PCI_ATPDMA1_AHBADDR_OFFSET 0x4C
459 #define PCI_ATPDMA1_PCIADDR_OFFSET 0x50
460 #define PCI_ATPDMA1_LENADDR_OFFSET 0x54
463 * PCI Control/Status Registers
465 #define IXP425_PCI_CSR(x) ((volatile u32 *)(IXP425_PCI_CFG_BASE_VIRT+(x)))
467 #define PCI_NP_AD IXP425_PCI_CSR(PCI_NP_AD_OFFSET)
468 #define PCI_NP_CBE IXP425_PCI_CSR(PCI_NP_CBE_OFFSET)
469 #define PCI_NP_WDATA IXP425_PCI_CSR(PCI_NP_WDATA_OFFSET)
470 #define PCI_NP_RDATA IXP425_PCI_CSR(PCI_NP_RDATA_OFFSET)
471 #define PCI_CRP_AD_CBE IXP425_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
472 #define PCI_CRP_WDATA IXP425_PCI_CSR(PCI_CRP_WDATA_OFFSET)
473 #define PCI_CRP_RDATA IXP425_PCI_CSR(PCI_CRP_RDATA_OFFSET)
474 #define PCI_CSR IXP425_PCI_CSR(PCI_CSR_OFFSET)
475 #define PCI_ISR IXP425_PCI_CSR(PCI_ISR_OFFSET)
476 #define PCI_INTEN IXP425_PCI_CSR(PCI_INTEN_OFFSET)
477 #define PCI_DMACTRL IXP425_PCI_CSR(PCI_DMACTRL_OFFSET)
478 #define PCI_AHBMEMBASE IXP425_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
479 #define PCI_AHBIOBASE IXP425_PCI_CSR(PCI_AHBIOBASE_OFFSET)
480 #define PCI_PCIMEMBASE IXP425_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
481 #define PCI_AHBDOORBELL IXP425_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
482 #define PCI_PCIDOORBELL IXP425_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
483 #define PCI_ATPDMA0_AHBADDR IXP425_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
484 #define PCI_ATPDMA0_PCIADDR IXP425_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
485 #define PCI_ATPDMA0_LENADDR IXP425_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
486 #define PCI_ATPDMA1_AHBADDR IXP425_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
487 #define PCI_ATPDMA1_PCIADDR IXP425_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
488 #define PCI_ATPDMA1_LENADDR IXP425_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
491 * PCI register values and bit definitions
494 /* CSR bit definitions */
495 #define PCI_CSR_HOST BIT(0)
496 #define PCI_CSR_ARBEN BIT(1)
497 #define PCI_CSR_ADS BIT(2)
498 #define PCI_CSR_PDS BIT(3)
499 #define PCI_CSR_ABE BIT(4)
500 #define PCI_CSR_DBT BIT(5)
501 #define PCI_CSR_ASE BIT(8)
502 #define PCI_CSR_IC BIT(15)
504 /* ISR (Interrupt status) Register bit definitions */
505 #define PCI_ISR_PSE BIT(0)
506 #define PCI_ISR_PFE BIT(1)
507 #define PCI_ISR_PPE BIT(2)
508 #define PCI_ISR_AHBE BIT(3)
509 #define PCI_ISR_APDC BIT(4)
510 #define PCI_ISR_PADC BIT(5)
511 #define PCI_ISR_ADB BIT(6)
512 #define PCI_ISR_PDB BIT(7)
514 /* INTEN (Interrupt Enable) Register bit definitions */
515 #define PCI_INTEN_PSE BIT(0)
516 #define PCI_INTEN_PFE BIT(1)
517 #define PCI_INTEN_PPE BIT(2)
518 #define PCI_INTEN_AHBE BIT(3)
519 #define PCI_INTEN_APDC BIT(4)
520 #define PCI_INTEN_PADC BIT(5)
521 #define PCI_INTEN_ADB BIT(6)
522 #define PCI_INTEN_PDB BIT(7)
525 * Shift value for byte enable on NP cmd/byte enable register
527 #define IXP425_PCI_NP_CBE_BESL 4
530 * PCI commands supported by NP access unit
532 #define NP_CMD_IOREAD 0x2
533 #define NP_CMD_IOWRITE 0x3
534 #define NP_CMD_CONFIGREAD 0xa
535 #define NP_CMD_CONFIGWRITE 0xb
536 #define NP_CMD_MEMREAD 0x6
537 #define NP_CMD_MEMWRITE 0x7
541 extern int ixp425_pci_read(u32 addr, u32 cmd, u32* data);
542 extern int ixp425_pci_write(u32 addr, u32 cmd, u32 data);
543 extern void ixp425_pci_init(void *);
548 * Constants for CRP access into local config space
550 #define CRP_AD_CBE_BESL 20
551 #define CRP_AD_CBE_WRITE BIT(16)
554 * Clock Speed Definitions.
556 #define IXP425_PERIPHERAL_BUS_CLOCK (66) /* 66Mhzi APB BUS */