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Graeme Russc620c012008-12-07 10:28:57 +11001/*
2 * (C) Copyright 2008
3 * Graeme Russ, graeme.russ@gmail.com.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
Graeme Russbf165002010-04-24 00:05:47 +100024#include <asm/ibmpc.h>
Graeme Russc620c012008-12-07 10:28:57 +110025/*
26 * board/config.h - configuration options, board specific
27 */
28
29#ifndef __CONFIG_H
30#define __CONFIG_H
31
32/*
Graeme Russc620c012008-12-07 10:28:57 +110033 * High Level Configuration Options
34 * (easy to change)
35 */
Graeme Russcfbe8612011-02-12 15:11:48 +110036#define CONFIG_SYS_SC520
Graeme Russ6d83e3a2009-02-24 21:12:20 +110037#define CONFIG_SYS_SC520_SSI
Graeme Russcfbe8612011-02-12 15:11:48 +110038#define CONFIG_SHOW_BOOT_PROGRESS
39#define CONFIG_LAST_STAGE_INIT
Graeme Russc620c012008-12-07 10:28:57 +110040
Graeme Russcfbe8612011-02-12 15:11:48 +110041/*-----------------------------------------------------------------------
42 * Watchdog Configuration
43 * NOTE: If CONFIG_HW_WATCHDOG is NOT defined, the watchdog jumper on the
Graeme Russc620c012008-12-07 10:28:57 +110044 * bottom (processor) board MUST be removed!
45 */
46#undef CONFIG_WATCHDOG
Graeme Russ880c59e2010-04-24 00:05:58 +100047#define CONFIG_HW_WATCHDOG
Graeme Russc620c012008-12-07 10:28:57 +110048
Graeme Russcfbe8612011-02-12 15:11:48 +110049/*-----------------------------------------------------------------------
50 * Real Time Clock Configuration
51 */
52#define CONFIG_RTC_MC146818
53#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
54
55/*-----------------------------------------------------------------------
56 * Serial Configuration
57 */
Graeme Russcfbe8612011-02-12 15:11:48 +110058#define CONFIG_CONS_INDEX 1
Graeme Russbf165002010-04-24 00:05:47 +100059#define CONFIG_SYS_NS16550
60#define CONFIG_SYS_NS16550_SERIAL
Graeme Russcfbe8612011-02-12 15:11:48 +110061#define CONFIG_SYS_NS16550_REG_SIZE 1
62#define CONFIG_SYS_NS16550_CLK 1843200
63#define CONFIG_BAUDRATE 9600
64#define CONFIG_SYS_BAUDRATE_TABLE {300, 600, 1200, 2400, 4800, \
65 9600, 19200, 38400, 115200}
66#define CONFIG_SYS_NS16550_COM1 UART0_BASE
67#define CONFIG_SYS_NS16550_COM2 UART1_BASE
68#define CONFIG_SYS_NS16550_COM3 (0x1000 + UART0_BASE)
69#define CONFIG_SYS_NS16550_COM4 (0x1000 + UART1_BASE)
Graeme Russbf165002010-04-24 00:05:47 +100070#define CONFIG_SYS_NS16550_PORT_MAPPED
71
Graeme Russcfbe8612011-02-12 15:11:48 +110072/*-----------------------------------------------------------------------
73 * Video Configuration
Graeme Russc620c012008-12-07 10:28:57 +110074 */
Graeme Russcfbe8612011-02-12 15:11:48 +110075#undef CONFIG_VIDEO
76#undef CONFIG_CFB_CONSOLE
Graeme Russc620c012008-12-07 10:28:57 +110077
Graeme Russc620c012008-12-07 10:28:57 +110078/*-----------------------------------------------------------------------
79 * Command line configuration.
80 */
81#include <config_cmd_default.h>
82
Graeme Russcfbe8612011-02-12 15:11:48 +110083#define CONFIG_CMD_BDI
84#define CONFIG_CMD_BOOTD
85#define CONFIG_CMD_CONSOLE
Graeme Russ21831002011-02-12 15:11:43 +110086#define CONFIG_CMD_DATE
Graeme Russcfbe8612011-02-12 15:11:48 +110087#define CONFIG_CMD_ECHO
88#define CONFIG_CMD_FLASH
89#define CONFIG_CMD_FPGA
90#define CONFIG_CMD_IMI
91#define CONFIG_CMD_IMLS
92#define CONFIG_CMD_IRQ
93#define CONFIG_CMD_ITEST
94#define CONFIG_CMD_LOADB
95#define CONFIG_CMD_LOADS
96#define CONFIG_CMD_MEMORY
97#define CONFIG_CMD_MISC
98#define CONFIG_CMD_NET
99#undef CONFIG_CMD_NFS
100#define CONFIG_CMD_PCI
101#define CONFIG_CMD_PING
102#define CONFIG_CMD_RUN
103#define CONFIG_CMD_SAVEENV
104#define CONFIG_CMD_SETGETDCR
105#define CONFIG_CMD_SOURCE
106#define CONFIG_CMD_XIMG
Graeme Russa76fc702011-11-08 02:33:20 +0000107#define CONFIG_CMD_ZBOOT
Graeme Russc620c012008-12-07 10:28:57 +1100108
Graeme Russcfbe8612011-02-12 15:11:48 +1100109#define CONFIG_BOOTDELAY 15
110#define CONFIG_BOOTARGS "root=/dev/mtdblock0 console=ttyS0,9600"
Graeme Russc620c012008-12-07 10:28:57 +1100111
112#if defined(CONFIG_CMD_KGDB)
Graeme Russcfbe8612011-02-12 15:11:48 +1100113#define CONFIG_KGDB_BAUDRATE 115200
114#define CONFIG_KGDB_SER_INDEX 2
Graeme Russc620c012008-12-07 10:28:57 +1100115#endif
116
117/*
118 * Miscellaneous configurable options
119 */
Graeme Russcfbe8612011-02-12 15:11:48 +1100120#define CONFIG_SYS_LONGHELP
121#define CONFIG_SYS_PROMPT "boot > "
122#define CONFIG_SYS_CBSIZE 256
123#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
124 sizeof(CONFIG_SYS_PROMPT) + \
125 16)
126#define CONFIG_SYS_MAXARGS 16
127#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
Graeme Russc620c012008-12-07 10:28:57 +1100128
Graeme Russcfbe8612011-02-12 15:11:48 +1100129#define CONFIG_SYS_MEMTEST_START 0x00100000
130#define CONFIG_SYS_MEMTEST_END 0x01000000
131#define CONFIG_SYS_LOAD_ADDR 0x100000
132#define CONFIG_SYS_HZ 1000
Graeme Russc620c012008-12-07 10:28:57 +1100133
Graeme Russc620c012008-12-07 10:28:57 +1100134/*-----------------------------------------------------------------------
135 * SDRAM Configuration
136 */
Graeme Russcfbe8612011-02-12 15:11:48 +1100137#define CONFIG_SYS_SDRAM_DRCTMCTL 0x18
Graeme Russ96cd6642011-02-12 15:11:54 +1100138#define CONFIG_SYS_SDRAM_REFRESH_RATE 156
Graeme Russcfbe8612011-02-12 15:11:48 +1100139#define CONFIG_NR_DRAM_BANKS 4
Graeme Russc620c012008-12-07 10:28:57 +1100140
141/* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
142#undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
Graeme Russc620c012008-12-07 10:28:57 +1100143#undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
144#undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
145#undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
146
147/*-----------------------------------------------------------------------
148 * CPU Features
149 */
Graeme Russcfbe8612011-02-12 15:11:48 +1100150#define CONFIG_SYS_SC520_HIGH_SPEED 0
151#define CONFIG_SYS_SC520_RESET
152#define CONFIG_SYS_SC520_TIMER
153#undef CONFIG_SYS_GENERIC_TIMER
Graeme Russabf0cd32009-02-24 21:13:40 +1100154#define CONFIG_SYS_PCAT_INTERRUPTS
Graeme Russcfbe8612011-02-12 15:11:48 +1100155#define CONFIG_SYS_NUM_IRQS 16
Graeme Russa76fc702011-11-08 02:33:20 +0000156#define CONFIG_SYS_PC_BIOS
157#define CONFIG_SYS_PCI_BIOS
158#define CONFIG_SYS_X86_REALMODE
159#define CONFIG_SYS_X86_ISR_TIMER
Graeme Russc620c012008-12-07 10:28:57 +1100160
161/*-----------------------------------------------------------------------
Graeme Russcfbe8612011-02-12 15:11:48 +1100162 * Memory organization:
163 * 32kB Stack
Graeme Russec8016c2011-04-13 19:43:24 +1000164 * 16kB Cache-As-RAM @ 0x19200000
Graeme Russcfbe8612011-02-12 15:11:48 +1100165 * 256kB Monitor
Graeme Russec8016c2011-04-13 19:43:24 +1000166 * (128kB + Environment Sector Size) malloc pool
Graeme Russc620c012008-12-07 10:28:57 +1100167 */
Graeme Russec8016c2011-04-13 19:43:24 +1000168#define CONFIG_SYS_STACK_SIZE (32 * 1024)
Graeme Russed4cba72011-02-12 15:11:52 +1100169#define CONFIG_SYS_CAR_ADDR 0x19200000
Graeme Russec8016c2011-04-13 19:43:24 +1000170#define CONFIG_SYS_CAR_SIZE (16 * 1024)
Graeme Russed4cba72011-02-12 15:11:52 +1100171#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_CAR_ADDR + \
172 CONFIG_SYS_CAR_SIZE)
Graeme Russcfbe8612011-02-12 15:11:48 +1100173#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
174#define CONFIG_SYS_MONITOR_LEN (256 * 1024)
Graeme Russec8016c2011-04-13 19:43:24 +1000175#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SECT_SIZE + \
176 128*1024)
Graeme Russ2e2613d2011-02-12 15:11:50 +1100177/* Address of temporary Global Data */
Graeme Russ8b1a7142011-02-12 15:12:14 +1100178#define CONFIG_SYS_INIT_GD_ADDR CONFIG_SYS_CAR_ADDR
Graeme Russ2e2613d2011-02-12 15:11:50 +1100179
Graeme Russc620c012008-12-07 10:28:57 +1100180
181/* allow to overwrite serial and ethaddr */
182#define CONFIG_ENV_OVERWRITE
183
Graeme Russcfbe8612011-02-12 15:11:48 +1100184/*-----------------------------------------------------------------------
185 * FLASH configuration
186 * 512kB Boot Flash @ 0x38000000 (Monitor @ 38040000)
187 * 16MB StrataFlash #1 @ 0x10000000
188 * 16MB StrataFlash #2 @ 0x11000000
189 */
190#define CONFIG_FLASH_CFI_DRIVER
Graeme Russc620c012008-12-07 10:28:57 +1100191#define CONFIG_FLASH_CFI_LEGACY
Graeme Russcfbe8612011-02-12 15:11:48 +1100192#define CONFIG_SYS_FLASH_CFI
193#define CONFIG_SYS_MAX_FLASH_BANKS 3
194#define CONFIG_SYS_FLASH_BASE 0x38000000
195#define CONFIG_SYS_FLASH_BASE_1 0x10000000
196#define CONFIG_SYS_FLASH_BASE_2 0x11000000
197#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE, \
198 CONFIG_SYS_FLASH_BASE_1, \
199 CONFIG_SYS_FLASH_BASE_2}
Graeme Russc620c012008-12-07 10:28:57 +1100200#define CONFIG_SYS_FLASH_EMPTY_INFO
Graeme Russ6fd445c2010-04-24 00:05:51 +1000201#undef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
Graeme Russcfbe8612011-02-12 15:11:48 +1100202#define CONFIG_SYS_MAX_FLASH_SECT 128
203#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
Graeme Russc620c012008-12-07 10:28:57 +1100204#define CONFIG_SYS_FLASH_LEGACY_512Kx8
Graeme Russcfbe8612011-02-12 15:11:48 +1100205#define CONFIG_SYS_FLASH_ERASE_TOUT 2000 /* ms */
206#define CONFIG_SYS_FLASH_WRITE_TOUT 2000 /* ms */
Graeme Russec8016c2011-04-13 19:43:24 +1000207
Graeme Russcfbe8612011-02-12 15:11:48 +1100208/*-----------------------------------------------------------------------
209 * Environment configuration
Graeme Russec8016c2011-04-13 19:43:24 +1000210 * - Boot flash is 512kB with 64kB sectors
211 * - StrataFlash is 32MB with 128kB sectors
212 * - Redundant embedded environment is 25% of the Boot flash
213 * - Redundant StrataFlash environment is <1% of the StrataFlash
214 * - Environment is therefore located in StrataFlash
215 * - Primary copy is located in first sector of first flash
216 * - Redundant copy is located in second sector of first flash
217 * - Stack is only 32kB, so environment size is limited to 4kB
Graeme Russcfbe8612011-02-12 15:11:48 +1100218 */
219#define CONFIG_ENV_IS_IN_FLASH
220#define CONFIG_ENV_SECT_SIZE 0x20000
Graeme Russec8016c2011-04-13 19:43:24 +1000221#define CONFIG_ENV_SIZE 0x01000
Graeme Russcfbe8612011-02-12 15:11:48 +1100222#define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE_1
Graeme Russcfbe8612011-02-12 15:11:48 +1100223#define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE_1 + \
224 CONFIG_ENV_SECT_SIZE)
Graeme Russec8016c2011-04-13 19:43:24 +1000225#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
Graeme Russc620c012008-12-07 10:28:57 +1100226
Graeme Russcfbe8612011-02-12 15:11:48 +1100227/*-----------------------------------------------------------------------
228 * PCI configuration
229 */
230#define CONFIG_PCI
231#define CONFIG_PCI_PNP
232#define CONFIG_SYS_FIRST_PCI_IRQ 10
233#define CONFIG_SYS_SECOND_PCI_IRQ 9
234#define CONFIG_SYS_THIRD_PCI_IRQ 11
235#define CONFIG_SYS_FORTH_PCI_IRQ 15
Graeme Russc620c012008-12-07 10:28:57 +1100236
Graeme Russcfbe8612011-02-12 15:11:48 +1100237/*-----------------------------------------------------------------------
Graeme Russ8fd80562010-04-24 00:05:55 +1000238 * Network device (TRL8100B) support
239 */
Graeme Russ8fd80562010-04-24 00:05:55 +1000240#define CONFIG_RTL8139
241
Graeme Russc620c012008-12-07 10:28:57 +1100242/*-----------------------------------------------------------------------
Graeme Russ420c7c02011-02-12 15:11:45 +1100243 * BOOTCS Control (for AM29LV040B-120JC)
244 *
245 * 000 0 00 0 000 11 0 011 }- 0x0033
246 * \ / | \| | \ / \| | \ /
247 * | | | | | | | |
248 * | | | | | | | +---- 3 Wait States (First Access)
249 * | | | | | | +------- Reserved
250 * | | | | | +--------- 3 Wait States (Subsequent Access)
251 * | | | | +------------- Reserved
252 * | | | +---------------- Non-Paged Mode
253 * | | +------------------ 8 Bit Wide
254 * | +--------------------- GP Bus
255 * +------------------------ Reserved
256 */
257#define CONFIG_SYS_SC520_BOOTCS_CTRL 0x0033
258
259/*-----------------------------------------------------------------------
260 * ROMCS Control (for E28F128J3A-150 StrataFlash)
261 *
262 * 000 0 01 1 000 01 0 101 }- 0x0615
263 * \ / | \| | \ / \| | \ /
264 * | | | | | | | |
265 * | | | | | | | +---- 5 Wait States (First Access)
266 * | | | | | | +------- Reserved
267 * | | | | | +--------- 1 Wait State (Subsequent Access)
268 * | | | | +------------- Reserved
269 * | | | +---------------- Paged Mode
270 * | | +------------------ 16 Bit Wide
271 * | +--------------------- GP Bus
272 * +------------------------ Reserved
273 */
274#define CONFIG_SYS_SC520_ROMCS1_CTRL 0x0615
275#define CONFIG_SYS_SC520_ROMCS2_CTRL 0x0615
276
277/*-----------------------------------------------------------------------
278 * SC520 General Purpose Bus configuration
279 *
280 * Chip Select Offset 1 Clock Cycle
281 * Chip Select Pulse Width 8 Clock Cycles
282 * Chip Select Read Offset 2 Clock Cycles
283 * Chip Select Read Width 6 Clock Cycles
284 * Chip Select Write Offset 2 Clock Cycles
285 * Chip Select Write Width 6 Clock Cycles
286 * Chip Select Recovery Time 2 Clock Cycles
287 *
288 * Timing Diagram (from SC520 Register Set Manual - Order #22005B)
289 *
290 * |<-------------General Purpose Bus Cycle---------------->|
291 * | |
292 * ----------------------\__________________/------------------
293 * |<--(GPCSOFF + 1)-->|<--(GPCSPW + 1)-->|<-(GPCSRT + 1)-> |
294 *
295 * ------------------------\_______________/-------------------
296 * |<---(GPRDOFF + 1)--->|<-(GPRDW + 1)->|
297 *
298 * --------------------------\_______________/-----------------
299 * |<----(GPWROFF + 1)---->|<-(GPWRW + 1)->|
300 *
301 * ________/-----------\_______________________________________
302 * |<--->|<--------->|
303 * ^ ^
304 * (GPALEOFF + 1) |
305 * |
306 * (GPALEW + 1)
307 */
308#define CONFIG_SYS_SC520_GPCSOFF 0x00
309#define CONFIG_SYS_SC520_GPCSPW 0x07
310#define CONFIG_SYS_SC520_GPRDOFF 0x01
311#define CONFIG_SYS_SC520_GPRDW 0x05
312#define CONFIG_SYS_SC520_GPWROFF 0x01
313#define CONFIG_SYS_SC520_GPWRW 0x05
314#define CONFIG_SYS_SC520_GPCSRT 0x01
315
316/*-----------------------------------------------------------------------
317 * SC520 Programmable I/O configuration
318 *
319 * Pin Mode Dir. Description
320 * ----------------------------------------------------------------------
321 * PIO0 PIO Output Unused
322 * PIO1 GPBHE# Output GP Bus Byte High Enable (active low)
323 * PIO2 PIO Output Auxiliary power output enable
324 * PIO3 GPAEN Output GP Bus Address Enable
325 * PIO4 PIO Output Top Board Enable (active low)
326 * PIO5 PIO Output StrataFlash 16 bit mode (low = 8 bit mode)
327 * PIO6 PIO Input Data output of Power Supply ADC
328 * PIO7 PIO Output Clock input to Power Supply ADC
329 * PIO8 PIO Output Chip Select input of Power Supply ADC
330 * PIO9 PIO Output StrataFlash 1 Reset / Power Down (active low)
331 * PIO10 PIO Output StrataFlash 2 Reset / Power Down (active low)
332 * PIO11 PIO Input StrataFlash 1 Status
333 * PIO12 PIO Input StrataFlash 2 Status
334 * PIO13 GPIRQ10# Input Can Bus / I2C IRQ (active low)
335 * PIO14 PIO Input Low Input Voltage Warning (active low)
336 * PIO15 PIO Output Watchdog (must toggle at least every 1.6s)
337 * PIO16 PIO Input Power Fail
338 * PIO17 GPIRQ6 Input Compact Flash 1 IRQ (active low)
339 * PIO18 GPIRQ5 Input Compact Flash 2 IRQ (active low)
340 * PIO19 GPIRQ4# Input Dual-Port RAM IRQ (active low)
341 * PIO20 GPIRQ3 Input UART D IRQ
342 * PIO21 GPIRQ2 Input UART C IRQ
343 * PIO22 GPIRQ1 Input UART B IRQ
344 * PIO23 GPIRQ0 Input UART A IRQ
345 * PIO24 GPDBUFOE# Output GP Bus Data Bus Buffer Output Enable
346 * PIO25 PIO Input Battery OK Indication
347 * PIO26 GPMEMCS16# Input GP Bus Memory Chip-Select 16-bit access
348 * PIO27 GPCS0# Output SRAM 1 Chip Select
349 * PIO28 PIO Input Top Board UART CTS
350 * PIO29 PIO Output FPGA Program Mode (active low)
351 * PIO30 PIO Input FPGA Initialised (active low)
352 * PIO31 PIO Input FPGA Done (active low)
353 */
354#define CONFIG_SYS_SC520_PIOPFS15_0 0x200a
355#define CONFIG_SYS_SC520_PIOPFS31_16 0x0dfe
356#define CONFIG_SYS_SC520_PIODIR15_0 0x87bf
357#define CONFIG_SYS_SC520_PIODIR31_16 0x2900
358
359/*-----------------------------------------------------------------------
360 * PIO Pin defines
361 */
362#define CONFIG_SYS_ENET_AUX_PWR 0x0004
363#define CONFIG_SYS_ENET_TOP_BRD_PWR 0x0010
364#define CONFIG_SYS_ENET_SF_WIDTH 0x0020
365#define CONFIG_SYS_ENET_PWR_ADC_DATA 0x0040
366#define CONFIG_SYS_ENET_PWR_ADC_CLK 0x0080
367#define CONFIG_SYS_ENET_PWR_ADC_CS 0x0100
368#define CONFIG_SYS_ENET_SF1_MODE 0x0200
369#define CONFIG_SYS_ENET_SF2_MODE 0x0400
370#define CONFIG_SYS_ENET_SF1_STATUS 0x0800
371#define CONFIG_SYS_ENET_SF2_STATUS 0x1000
372#define CONFIG_SYS_ENET_PWR_STATUS 0x4000
373#define CONFIG_SYS_ENET_WATCHDOG 0x8000
374
375#define CONFIG_SYS_ENET_PWR_FAIL 0x0001
376#define CONFIG_SYS_ENET_BAT_OK 0x0200
377#define CONFIG_SYS_ENET_TOP_BRD_CTS 0x1000
378#define CONFIG_SYS_ENET_FPGA_PROG 0x2000
379#define CONFIG_SYS_ENET_FPGA_INIT 0x4000
380#define CONFIG_SYS_ENET_FPGA_DONE 0x8000
381
382/*-----------------------------------------------------------------------
383 * Chip Select Pin Function Select
384 *
385 * 1 1 1 1 1 0 0 0 }- 0xf8
386 * | | | | | | | |
387 * | | | | | | | +--- Reserved
388 * | | | | | | +----- GPCS1_SEL = ROMCS1#
389 * | | | | | +------- GPCS2_SEL = ROMCS2#
390 * | | | | +--------- GPCS3_SEL = GPCS3
391 * | | | +----------- GPCS4_SEL = GPCS4
392 * | | +------------- GPCS5_SEL = GPCS5
393 * | +--------------- GPCS6_SEL = GPCS6
394 * +----------------- GPCS7_SEL = GPCS7
395 */
396#define CONFIG_SYS_SC520_CSPFS 0xf8
397
398/*-----------------------------------------------------------------------
399 * Clock Select (CLKTIMER[CLKTEST] pin)
400 *
401 * 0 111 00 1 0 }- 0x72
402 * | \ / \| | |
403 * | | | | +--- Pin Disabled
404 * | | | +----- Pin is an output
405 * | | +------- Reserved
406 * | +----------- Disabled (pin stays Low)
407 * +-------------- Reserved
408 */
409#define CONFIG_SYS_SC520_CLKSEL 0x72
410
411/*-----------------------------------------------------------------------
412 * Address Decode Control
413 *
414 * 0 00 0 0 0 0 0 }- 0x00
415 * | \| | | | | |
416 * | | | | | | +--- Integrated UART 1 is enabled
417 * | | | | | +----- Integrated UART 2 is enabled
418 * | | | | +------- Integrated RTC is enabled
419 * | | | +--------- Reserved
420 * | | +----------- I/O Hole accesses are forwarded to the external GP bus
421 * | +------------- Reserved
422 * +---------------- Write-protect violations do not generate an IRQ
423 */
424#define CONFIG_SYS_SC520_ADDDECCTL 0x00
425
426/*-----------------------------------------------------------------------
427 * UART Control
428 *
429 * 00000 1 1 1 }- 0x07
430 * \___/ | | |
431 * | | | +--- Transmit TC interrupt enable
432 * | | +----- Receive TC interrupt enable
433 * | +------- 1.8432 MHz
434 * +----------- Reserved
435 */
436#define CONFIG_SYS_SC520_UART1CTL 0x07
437#define CONFIG_SYS_SC520_UART2CTL 0x07
438
439/*-----------------------------------------------------------------------
440 * System Arbiter Control
441 *
442 * 00000 1 1 0 }- 0x06
443 * \___/ | | |
444 * | | | +--- Disable PCI Bus Arbiter Grant Time-Out Interrupt
445 * | | +----- The system arbiter operates in concurrent mode
446 * | +------- Park the PCI bus on the last master that acquired the bus
447 * +----------- Reserved
448 */
449#define CONFIG_SYS_SC520_SYSARBCTL 0x06
450
451/*-----------------------------------------------------------------------
452 * System Arbiter Master Enable
453 *
454 * 00000000000 0 0 0 1 1 }- 0x06
455 * \_________/ | | | | |
456 * | | | | | +--- PCI master REQ0 enabled (Ethernet 1)
457 * | | | | +----- PCI master REQ1 enabled (Ethernet 2)
458 * | | | +------- PCI master REQ2 disabled
459 * | | +--------- PCI master REQ3 disabled
460 * | +----------- PCI master REQ4 disabled
461 * +------------------ Reserved
462 */
463#define CONFIG_SYS_SC520_SYSARBMENB 0x0003
464
465/*-----------------------------------------------------------------------
466 * System Arbiter Master Enable
467 *
468 * 0 0000 0 00 0000 1 000 }- 0x06
469 * | \__/ | \| \__/ | \_/
470 * | | | | | | +---- Reserved
471 * | | | | | +------- Enable CPU-to-PCI bus write posting
472 * | | | | +---------- Reserved
473 * | | | +-------------- PCI bus reads to SDRAM are not automatically
474 * | | | retried
475 * | | +----------------- Target read FIFOs are not snooped during write
476 * | | transactions
477 * | +-------------------- Reserved
478 * +------------------------ Deassert the PCI bus reset signal
479 */
480#define CONFIG_SYS_SC520_HBCTL 0x08
481
482/*-----------------------------------------------------------------------
483 * PAR for Boot Flash - 512kB @ 0x38000000, BOOTCS
484 * 100 0 1 0 1 00000000111 11100000000000 }- 0x8a01f800
485 * \ / | | | | \----+----/ \-----+------/
486 * | | | | | | +---------- Start at 0x38000000
487 * | | | | | +----------------------- 512kB Region Size
488 * | | | | | ((7 + 1) * 64kB)
489 * | | | | +------------------------------ 64kB Page Size
490 * | | | +-------------------------------- Writes Enabled (So it can be
491 * | | | reprogrammed!)
492 * | | +---------------------------------- Caching Disabled
493 * | +------------------------------------ Execution Enabled
494 * +--------------------------------------- BOOTCS
495 */
496#define CONFIG_SYS_SC520_BOOTCS_PAR 0x8a01f800
497
498/*-----------------------------------------------------------------------
Graeme Russed4cba72011-02-12 15:11:52 +1100499 * Cache-As-RAM (Targets Boot Flash)
500 *
501 * 100 1 0 0 0 0001111 011001001000000000 }- 0x903d9200
502 * \ / | | | | \--+--/ \-------+--------/
503 * | | | | | | +------------ Start at 0x19200000
504 * | | | | | +------------------------- 64k Region Size
505 * | | | | | ((15 + 1) * 4kB)
506 * | | | | +------------------------------ 4kB Page Size
507 * | | | +-------------------------------- Writes Enabled
508 * | | +---------------------------------- Caching Enabled
509 * | +------------------------------------ Execution Prevented
510 * +--------------------------------------- BOOTCS
511 */
512#define CONFIG_SYS_SC520_CAR_PAR 0x903d9200
513
514/*-----------------------------------------------------------------------
Graeme Russ420c7c02011-02-12 15:11:45 +1100515 * PAR for Low Level I/O (LEDs, Hex Switches etc) - 33 Bytes @ 0x1000, GPCS6
516 *
517 * 001 110 0 000100000 0001000000000000 }- 0x38201000
518 * \ / \ / | \---+---/ \------+-------/
519 * | | | | +----------- Start at 0x00001000
520 * | | | +------------------------ 33 Bytes (0x20 + 1)
521 * | | +------------------------------ Ignored
522 * | +--------------------------------- GPCS6
523 * +------------------------------------- GP Bus I/O
524 */
525#define CONFIG_SYS_SC520_LLIO_PAR 0x38201000
526
527/*-----------------------------------------------------------------------
528 * PAR for Compact Flash Port #1 - 4kB @ 0x200000000, CS5
529 * PAR for Compact Flash Port #2 - 4kB @ 0x200010000, CS7
530 *
531 * 010 101 0 0000000 100000000000000000 }- 0x54020000
532 * 010 111 0 0000000 100000000000000001 }- 0x5c020001
533 * \ / \ / | \--+--/ \-------+--------/
534 * | | | | +------------ Start at 0x200000000
535 * | | | | 0x200010000
536 * | | | +------------------------- 4kB Region Size
537 * | | | ((0 + 1) * 4kB)
538 * | | +------------------------------ 4k Page Size
539 * | +--------------------------------- GPCS5
540 * | GPCS7
541 * +------------------------------------- GP Bus Memory
542 */
543#define CONFIG_SYS_SC520_CF1_PAR 0x54020000
544#define CONFIG_SYS_SC520_CF2_PAR 0x5c020001
545
546/*-----------------------------------------------------------------------
547 * PAR for Extra 16550 UART A - 8 bytes @ 0x013f8, GPCS0
548 * PAR for Extra 16550 UART B - 8 bytes @ 0x012f8, GPCS3
549 * PAR for Extra 16550 UART C - 8 bytes @ 0x011f8, GPCS4
550 * PAR for Extra 16550 UART D - 8 bytes @ 0x010f8, GPCS5
551 *
552 * 001 000 0 000000111 0001001111111000 }- 0x200713f8
553 * 001 011 0 000000111 0001001011111000 }- 0x2c0712f8
554 * 001 011 0 000000111 0001001011111000 }- 0x300711f8
555 * 001 011 0 000000111 0001001011111000 }- 0x340710f8
556 * \ / \ / | \---+---/ \------+-------/
557 * | | | | +----------- Start at 0x013f8
558 * | | | | 0x012f8
559 * | | | | 0x011f8
560 * | | | | 0x010f8
561 * | | | +------------------------ 33 Bytes (32 + 1)
562 * | | +------------------------------ Ignored
563 * | +--------------------------------- GPCS6
564 * +------------------------------------- GP Bus I/O
565 */
566#define CONFIG_SYS_SC520_UARTA_PAR 0x200713f8
567#define CONFIG_SYS_SC520_UARTB_PAR 0x2c0712f8
568#define CONFIG_SYS_SC520_UARTC_PAR 0x300711f8
569#define CONFIG_SYS_SC520_UARTD_PAR 0x340710f8
570
571/*-----------------------------------------------------------------------
572 * PAR for StrataFlash #1 - 16MB @ 0x10000000, ROMCS1
573 * PAR for StrataFlash #2 - 16MB @ 0x11000000, ROMCS2
574 *
575 * 101 0 1 0 1 00011111111 01000000000000 }- 0xaa3fd000
576 * 110 0 1 0 1 00011111111 01000100000000 }- 0xca3fd100
577 * \ / | | | | \----+----/ \-----+------/
578 * | | | | | | +---------- Start at 0x10000000
579 * | | | | | | 0x11000000
580 * | | | | | +----------------------- 16MB Region Size
581 * | | | | | ((255 + 1) * 64kB)
582 * | | | | +------------------------------ 64kB Page Size
583 * | | | +-------------------------------- Writes Enabled
584 * | | +---------------------------------- Caching Disabled
585 * | +------------------------------------ Execution Enabled
586 * +--------------------------------------- ROMCS1
587 * ROMCS2
588 */
589#define CONFIG_SYS_SC520_SF1_PAR 0xaa3fd000
590#define CONFIG_SYS_SC520_SF2_PAR 0xca3fd100
591
592/*-----------------------------------------------------------------------
593 * PAR for SRAM #1 - 1MB @ 0x19000000, GPCS0
594 * PAR for SRAM #2 - 1MB @ 0x19100000, GPCS3
595 *
596 * 010 000 1 00000001111 01100100000000 }- 0x4203d900
597 * 010 011 1 00000001111 01100100010000 }- 0x4e03d910
598 * \ / \ / | \----+----/ \-----+------/
599 * | | | | +---------- Start at 0x19000000
600 * | | | | 0x19100000
601 * | | | +----------------------- 1MB Region Size
602 * | | | ((15 + 1) * 64kB)
603 * | | +------------------------------ 64kB Page Size
604 * | +--------------------------------- GPCS0
605 * | GPCS3
606 * +------------------------------------- GP Bus Memory
607 */
608#define CONFIG_SYS_SC520_SRAM1_PAR 0x4203d900
609#define CONFIG_SYS_SC520_SRAM2_PAR 0x4e03d910
610
611/*-----------------------------------------------------------------------
612 * PAR for Dual-Port RAM - 4kB @ 0x18100000, GPCS4
613 *
614 * 010 100 0 00000000 11000000100000000 }- 0x50018100
615 * \ / \ / | \---+--/ \-------+-------/
616 * | | | | +----------- Start at 0x18100000
617 * | | | +------------------------ 4kB Region Size
618 * | | | ((0 + 1) * 4kB)
619 * | | +------------------------------ 4kB Page Size
620 * | +--------------------------------- GPCS4
621 * +------------------------------------- GP Bus Memory
622 */
623#define CONFIG_SYS_SC520_DPRAM_PAR 0x50018100
624
Graeme Russc620c012008-12-07 10:28:57 +1100625#endif /* __CONFIG_H */