2 * A collection of structures, addresses, and values associated with
3 * the Motorola 860 ADS board. Copied from the MBX stuff.
4 * Magnus Damm added defines for 8xxrom and extended bd_info.
5 * Helmut Buchsbaum added bitvalues for BCSRx
7 * Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
10 /* ------------------------------------------------------------------------- */
12 #ifndef _CONFIG_ADS860_H
13 #define _CONFIG_ADS860_H
16 * High Level Configuration Options
21 #define CONFIG_ADS 1 /* Old Motorola MPC821/860ADS */
24 #define CONFIG_MPC860 1
26 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
27 #undef CONFIG_8xx_CONS_SMC2
28 #undef CONFIG_8xx_CONS_NONE
30 #define CONFIG_BAUDRATE 38400 /* Console baudrate */
32 /* CFG_8XX_FACT * CFG_8XX_XIN = 50 MHz */
34 #define CFG_8XX_XIN 32768 /* 32.768 kHz input frequency */
35 #define CFG_8XX_FACT 0x5F6 /* Multiply by 1526 */
37 #define CFG_8XX_XIN 4000000 /* 4 MHz input frequency */
38 #define CFG_8XX_FACT 12 /* Multiply by 12 */
41 #define CONFIG_8xx_GCLK_FREQ ((CFG_8XX_XIN) * (CFG_8XX_FACT))
43 #define CONFIG_DRAM_50MHZ 1
46 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
48 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
51 #undef CONFIG_BOOTARGS
52 #define CONFIG_BOOTCOMMAND \
54 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
55 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
58 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
59 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
61 #undef CONFIG_WATCHDOG /* watchdog disabled */
63 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
65 #define CONFIG_COMMANDS (CONFIG_CMD_DFL \
72 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
73 #include <cmd_confdefs.h>
76 * Miscellaneous configurable options
78 #undef CFG_LONGHELP /* undef to save memory */
79 #define CFG_PROMPT "=>" /* Monitor Command Prompt */
80 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
81 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
83 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
85 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
86 #define CFG_MAXARGS 16 /* max number of command args */
87 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
89 #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
90 #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15 MB in DRAM */
92 #define CFG_LOAD_ADDR 0x00100000
94 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
96 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
99 * Low Level Configuration Settings
100 * (address mappings, register initial values, etc.)
101 * You should know what you are doing if you make changes here.
103 /*-----------------------------------------------------------------------
104 * Internal Memory Mapped Register
106 #define CFG_IMMR 0xFF000000
107 #define CFG_IMMR_SIZE ((uint)(64 * 1024))
109 /*-----------------------------------------------------------------------
110 * Definitions for initial stack pointer and data area (in DPRAM)
112 #define CFG_INIT_RAM_ADDR CFG_IMMR
113 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
114 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
115 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
116 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
118 /*-----------------------------------------------------------------------
119 * Start addresses for the final memory configuration
120 * (Set up by the startup code)
121 * Please note that CFG_SDRAM_BASE _must_ start at 0
123 #define CFG_SDRAM_BASE 0x00000000
126 * For booting Linux, the board info and command line data
127 * have to be in the first 8 MB of memory, since this is
128 * the maximum mapped by the Linux kernel during initialization.
130 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
131 /*-----------------------------------------------------------------------
134 #define CFG_FLASH_BASE TEXT_BASE
135 #define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
137 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
138 #define CFG_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
140 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
141 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
143 #undef CFG_ENV_IS_IN_NVRAM
144 #undef CFG_ENV_IS_IN_EEPROM
145 #define CFG_ENV_IS_IN_FLASH 1
147 #define CFG_ENV_SECT_SIZE 0x40000 /* see README - env sector total size */
148 #define CFG_ENV_OFFSET CFG_ENV_SECT_SIZE
149 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment */
151 #define CFG_MONITOR_BASE CFG_FLASH_BASE
152 #define CFG_MONITOR_LEN (256 << 10) /* Reserve one flash sector
153 (256 KB) for monitor */
154 #define CFG_MALLOC_LEN (384 << 10) /* Reserve 384 kB for malloc() */
156 /* the other CS:s are determined by looking at parameters in BCSRx */
158 /*-----------------------------------------------------------------------
159 * Cache Configuration
161 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
162 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
163 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
166 /*-----------------------------------------------------------------------
169 #if (CONFIG_COMMANDS & CFG_CMD_I2C)
170 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
171 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address defaults */
172 #define CFG_I2C_SLAVE 0x7F
175 /*-----------------------------------------------------------------------
176 * SYPCR - System Protection Control 11-9
177 * SYPCR can only be written once after reset!
178 *-----------------------------------------------------------------------
179 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
181 #if defined(CONFIG_WATCHDOG)
182 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
183 SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
185 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
188 /*-----------------------------------------------------------------------
189 * SUMCR - SIU Module Configuration 11-6
190 *-----------------------------------------------------------------------
191 * PCMCIA config., multi-function pin tri-state
193 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
195 /*-----------------------------------------------------------------------
196 * TBSCR - Time Base Status and Control 11-26
197 *-----------------------------------------------------------------------
198 * Clear Reference Interrupt Status, Timebase freezing enabled
200 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
202 /*-----------------------------------------------------------------------
203 * PISCR - Periodic Interrupt Status and Control 11-31
204 *-----------------------------------------------------------------------
205 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
207 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
209 /*-----------------------------------------------------------------------
210 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
211 *-----------------------------------------------------------------------
212 * set the PLL, the low-power modes and the reset control (15-29)
214 #define CFG_PLPRCR (((CFG_8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
215 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
217 /*-----------------------------------------------------------------------
218 * SCCR - System Clock and reset Control Register 15-27
219 *-----------------------------------------------------------------------
220 * Set clock output, timebase and RTC source and divider,
221 * power management and some other internal clocks
223 #define SCCR_MASK SCCR_EBDF11
224 #define CFG_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \
225 SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \
226 SCCR_DFLCD000 | SCCR_DFALCD00)
229 /*-----------------------------------------------------------------------
231 *-----------------------------------------------------------------------
236 /* Because of the way the 860 starts up and assigns CS0 the
237 * entire address space, we have to set the memory controller
238 * differently. Normally, you write the option register
239 * first, and then enable the chip select by writing the
240 * base register. For CS0, you must write the base register
241 * first, followed by the option register.
245 * Init Memory Controller:
247 * BR0 and OR0 (FLASH)
250 /* the other CS:s are determined by looking at parameters in BCSRx */
252 #define BCSR_ADDR ((uint) 0xff010000)
254 #define CFG_PRELIM_OR_AM 0xff800000 /* OR addr mask */
256 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
257 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
259 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) /* 8 Mbyte until detected */
260 #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_V)
262 /* BCSRx - Board Control and Status Registers */
263 #define CFG_OR1_PRELIM 0xffff8110 /* 64Kbyte address space */
264 #define CFG_BR1_PRELIM ((BCSR_ADDR) | BR_V )
267 * Memory Periodic Timer Prescaler
270 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
271 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
272 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
274 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
275 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
276 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
279 * Internal Definitions
283 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
284 #define BOOTFLAG_WARM 0x02 /* Software reboot */
287 /* values according to the manual */
288 #define BCSR0 (BCSR_ADDR + 0x00)
289 #define BCSR1 (BCSR_ADDR + 0x04)
290 #define BCSR2 (BCSR_ADDR + 0x08)
291 #define BCSR3 (BCSR_ADDR + 0x0c)
294 /*-----------------------------------------------------------------------
296 *-----------------------------------------------------------------------
300 #define PCMCIA_SLOT_A 1
303 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
304 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
305 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
306 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
307 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
308 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
309 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
310 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
312 /*-----------------------------------------------------------------------
314 *-----------------------------------------------------------------------
316 #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */
317 #undef CONFIG_IDE_LED /* LED for ide supported */
318 #define CONFIG_IDE_RESET 1 /* reset for ide supported */
320 #define CFG_IDE_MAXBUS 1 /* max. 2 IDE busses */
321 #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
323 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
324 #define CFG_PC_IDE_RESET ((ushort)0x0008) /* PC 12 */
326 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
327 #define CFG_ATA_IDE0_OFFSET 0x0000
329 #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
330 #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */
331 #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */
333 #define CONFIG_DISK_SPINUP_TIME 1000000
334 #undef CONFIG_DISK_SPINUP_TIME /* usinĀ“ Compact Flash */
336 /* (F)ADS bitvalues by Helmut Buchsbaum
337 * see MPC8xxADS User's Manual for a proper description
338 * of the following structures
341 #define BCSR0_ERB ((uint)0x80000000)
342 #define BCSR0_IP ((uint)0x40000000)
343 #define BCSR0_BDIS ((uint)0x10000000)
344 #define BCSR0_BPS_MASK ((uint)0x0C000000)
345 #define BCSR0_ISB_MASK ((uint)0x01800000)
346 #define BCSR0_DBGC_MASK ((uint)0x00600000)
347 #define BCSR0_DBPC_MASK ((uint)0x00180000)
348 #define BCSR0_EBDF_MASK ((uint)0x00060000)
350 #define BCSR1_FLASH_EN ((uint)0x80000000)
351 #define BCSR1_DRAM_EN ((uint)0x40000000)
352 #define BCSR1_ETHEN ((uint)0x20000000)
353 #define BCSR1_IRDEN ((uint)0x10000000)
354 #define BCSR1_FLASH_CFG_EN ((uint)0x08000000)
355 #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
356 #define BCSR1_BCSR_EN ((uint)0x02000000)
357 #define BCSR1_RS232EN_1 ((uint)0x01000000)
358 #define BCSR1_PCCEN ((uint)0x00800000)
359 #define BCSR1_PCCVCC0 ((uint)0x00400000)
360 #define BCSR1_PCCVCCON BCSR1_PCCVCC0
361 #define BCSR1_PCCVPP_MASK ((uint)0x00300000)
362 #define BCSR1_DRAM_HALF_WORD ((uint)0x00080000)
363 #define BCSR1_RS232EN_2 ((uint)0x00040000)
364 #define BCSR1_SDRAM_EN ((uint)0x00020000)
365 #define BCSR1_PCCVCC1 ((uint)0x00010000)
367 #define BCSR2_FLASH_PD_MASK ((uint)0xF0000000)
368 #define BCSR2_DRAM_PD_MASK ((uint)0x07800000)
369 #define BCSR2_DRAM_PD_SHIFT (23)
370 #define BCSR2_EXTTOLI_MASK ((uint)0x00780000)
371 #define BCSR2_DBREVNR_MASK ((uint)0x00030000)
373 #define BCSR3_DBID_MASK ((ushort)0x3800)
374 #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
375 #define BCSR3_BREVNR0 ((ushort)0x0080)
376 #define BCSR3_FLASH_PD_MASK ((ushort)0x0070)
377 #define BCSR3_BREVN1 ((ushort)0x0008)
378 #define BCSR3_BREVN2_MASK ((ushort)0x0003)
380 /* We don't use the 8259.
382 #define NR_8259_INTS 0
386 #define _MACH_8xx (_MACH_ads)
388 #endif /* _CONFIG_ADS860_H */