2 * A collection of structures, addresses, and values associated with
3 * the Motorola 860T MBX board.
4 * Copied from the FADS stuff, which was originally copied from the MBX stuff!
5 * Magnus Damm added defines for 8xxrom and extended bd_info.
6 * Helmut Buchsbaum added bitvalues for BCSRx
7 * Rob Taylor coverted it back to MBX
9 * Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
12 /* ------------------------------------------------------------------------- */
15 * board/config.h - configuration options, board specific
22 * High Level Configuration Options
25 #include <mpc8xx_irq.h>
27 #define CONFIG_MPC860 1
28 #define CONFIG_MPC860T 1
31 #define CONFIG_8xx_CPUCLOCK 40
32 #define CONFIG_8xx_BUSCLOCK (CONFIG_8xx_CPUCLOCK)
33 #define TARGET_SYSTEM_FREQUENCY 40
35 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
36 #undef CONFIG_8xx_CONS_SMC2
37 #define CONFIG_BAUDRATE 9600
39 #define MPC8XX_FACT 10 /* Multiply by 10 */
40 #define MPC8XX_XIN 40000000 /* 50 MHz in */
41 #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
43 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
46 #define CONFIG_8xx_BOOTDELAY -1 /* autoboot disabled */
47 #define CONFIG_8xx_TFTP_MODE
49 #define CONFIG_8xx_BOOTDELAY 5 /* autoboot after 5 seconds */
50 #undef CONFIG_8xx_TFTP_MODE
53 #define CONFIG_DRAM_SPEED (CONFIG_8xx_BUSCLOCK) /* MHz */
54 #define CONFIG_BOOTCOMMAND "bootm FE020000" /* autoboot command */
55 #define CONFIG_BOOTARGS " "
57 * Miscellaneous configurable options
59 #undef CFG_LONGHELP /* undef to save memory */
60 #define CFG_PROMPT ":>" /* Monitor Command Prompt */
61 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
62 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
63 #define CFG_MAXARGS 16 /* max number of command args */
64 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
66 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
67 #define CFG_MEMTEST_END 0x0800000 /* 4 ... 8 MB in DRAM */
69 #define CFG_LOAD_ADDR 0x100000 /* default load address */
71 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
73 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
76 * Low Level Configuration Settings
77 * (address mappings, register initial values, etc.)
78 * You should know what you are doing if you make changes here.
80 /*-----------------------------------------------------------------------
81 * Internal Memory Mapped Register
83 #define CFG_IMMR 0xFFA00000
84 #define CFG_IMMR_SIZE ((uint)(64 * 1024))
85 #define CFG_NVRAM_BASE 0xFA000000 /* NVRAM */
86 #define CFG_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
87 #define CFG_CSR_BASE 0xFA100000 /* Control/Status Registers */
88 #define CFG_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
89 #define CFG_PCIMEM_OR 0xA0000108
90 #define CFG_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
91 #define CFG_PCIBRIDGE_OR 0xFFFF0108
93 /*-----------------------------------------------------------------------
94 * Definitions for initial stack pointer and data area (in DPRAM)
96 #define CFG_INIT_RAM_ADDR CFG_IMMR
97 #define CFG_INIT_RAM_END 0x2f00 /* End of used area in DPRAM */
98 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
99 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
100 #define CFG_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
101 #define CFG_INIT_VPD_OFFSET (CFG_GBL_DATA_OFFSET - CFG_INIT_VPD_SIZE)
102 #define CFG_INIT_SP_OFFSET (CFG_INIT_VPD_OFFSET-8)
104 /*-----------------------------------------------------------------------
105 * Offset in DPMEM where we keep the VPD data
107 #define CFG_DPRAMVPD (CFG_INIT_VPD_OFFSET - 0x2000)
109 /*-----------------------------------------------------------------------
110 * Start addresses for the final memory configuration
111 * (Set up by the startup code)
112 * Please note that CFG_SDRAM_BASE _must_ start at 0
114 #define CFG_SDRAM_BASE 0x00000000
115 #define CFG_FLASH_BASE 0x00000000
117 #define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
118 #define CFG_MONITOR_BASE CFG_FLASH_BASE
119 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
120 #define CFG_HWINFO_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_HWINFO_LEN)
121 #define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
124 * For booting Linux, the board info and command line data
125 * have to be in the first 8 MB of memory, since this is
126 * the maximum mapped by the Linux kernel during initialization.
128 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
130 /*-----------------------------------------------------------------------
133 #define CFG_MAX_FLASH_BANKS 4 /* max number of memory banks */
134 #define CFG_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
136 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
137 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
139 /*-----------------------------------------------------------------------
140 * NVRAM Configuration
142 * Note: the MBX is special because there is already a firmware on this
143 * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
144 * access the NVRAM at the offset 0x1000.
146 #define CFG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
147 #define CFG_ENV_ADDR (CFG_NVRAM_BASE + 0x1000)
148 #define CFG_ENV_SIZE 0x1000
150 /*-----------------------------------------------------------------------
151 * Cache Configuration
153 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
154 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
155 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
158 /*-----------------------------------------------------------------------
159 * SYPCR - System Protection Control 11-9
160 * SYPCR can only be written once after reset!
161 *-----------------------------------------------------------------------
162 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
164 #if defined(CONFIG_WATCHDOG)
165 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
166 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
168 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
171 /*-----------------------------------------------------------------------
172 * SIUMCR - SIU Module Configuration 11-6
173 *-----------------------------------------------------------------------
174 * PCMCIA config., multi-function pin tri-state
176 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME)
178 /*-----------------------------------------------------------------------
179 * TBSCR - Time Base Status and Control 11-26
180 *-----------------------------------------------------------------------
181 * Clear Reference Interrupt Status, Timebase freezing enabled
183 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
185 /*-----------------------------------------------------------------------
186 * PISCR - Periodic Interrupt Status and Control 11-31
187 *-----------------------------------------------------------------------
188 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
190 #define CFG_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
192 /*-----------------------------------------------------------------------
193 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
194 *-----------------------------------------------------------------------
195 * Reset PLL lock status sticky bit, timer expired status bit and timer
196 * interrupt status bit - leave PLL multiplication factor unchanged !
198 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
200 /*-----------------------------------------------------------------------
201 * SCCR - System Clock and reset Control Register 15-27
202 *-----------------------------------------------------------------------
203 * Set clock output, timebase and RTC source and divider,
204 * power management and some other internal clocks
206 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
207 #define CFG_SCCR SCCR_TBS
209 /*-----------------------------------------------------------------------
211 *-----------------------------------------------------------------------
216 /* Because of the way the 860 starts up and assigns CS0 the
217 * entire address space, we have to set the memory controller
218 * differently. Normally, you write the option register
219 * first, and then enable the chip select by writing the
220 * base register. For CS0, you must write the base register
221 * first, followed by the option register.
225 * Init Memory Controller:
227 * BR0/1 and OR0/1 (FLASH)
229 /* the other CS:s are determined by looking at parameters in BCSRx */
232 #define BCSR_ADDR ((uint) 0xFF010000)
233 #define BCSR_SIZE ((uint)(64 * 1024))
235 #define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0 */
236 #define FLASH_BASE1_PRELIM 0xFF010000 /* FLASH bank #0 */
238 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
239 #define CFG_PRELIM_OR_AM 0xFFF00000 /* OR addr mask */
241 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
242 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
244 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
245 #define CFG_OR0_PRELIM (0xFF800000 | OR_CSNT_SAM | OR_BI | OR_SCY_3_CLK) /* 1 Mbyte until detected and only 1 Mbyte is needed*/
246 #define CFG_BR0_PRELIM (0xFE000000 | BR_V )
248 /* BCSRx - Board Control and Status Registers */
249 #define CFG_OR1_REMAP CFG_OR0_REMAP
250 #define CFG_OR1_PRELIM 0xFFC00000 | OR_ACS_DIV4
251 #define CFG_BR1_PRELIM (0x00000000 | BR_MS_UPMA | BR_V )
255 * Memory Periodic Timer Prescaler
258 /* periodic timer for refresh */
259 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
261 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
262 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
263 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
265 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
266 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
267 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
270 * MAMR settings for SDRAM
274 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
275 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
276 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
278 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
279 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
280 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
282 #define CFG_MAMR 0x13821000
284 * Internal Definitions
288 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
289 #define BOOTFLAG_WARM 0x02 /* Software reboot */
292 /* values according to the manual */
295 #define PCMCIA_MEM_ADDR ((uint)0xff020000)
296 #define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
298 #define BCSR0 ((uint) (BCSR_ADDR + 00))
299 #define BCSR1 ((uint) (BCSR_ADDR + 0x04))
300 #define BCSR2 ((uint) (BCSR_ADDR + 0x08))
301 #define BCSR3 ((uint) (BCSR_ADDR + 0x0c))
302 #define BCSR4 ((uint) (BCSR_ADDR + 0x10))
304 /* FADS bitvalues by Helmut Buchsbaum
305 * see MPC8xxADS User's Manual for a proper description
306 * of the following structures
309 #define BCSR0_ERB ((uint)0x80000000)
310 #define BCSR0_IP ((uint)0x40000000)
311 #define BCSR0_BDIS ((uint)0x10000000)
312 #define BCSR0_BPS_MASK ((uint)0x0C000000)
313 #define BCSR0_ISB_MASK ((uint)0x01800000)
314 #define BCSR0_DBGC_MASK ((uint)0x00600000)
315 #define BCSR0_DBPC_MASK ((uint)0x00180000)
316 #define BCSR0_EBDF_MASK ((uint)0x00060000)
318 #define BCSR1_FLASH_EN ((uint)0x80000000)
319 #define BCSR1_DRAM_EN ((uint)0x40000000)
320 #define BCSR1_ETHEN ((uint)0x20000000)
321 #define BCSR1_IRDEN ((uint)0x10000000)
322 #define BCSR1_FLASH_CFG_EN ((uint)0x08000000)
323 #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
324 #define BCSR1_BCSR_EN ((uint)0x02000000)
325 #define BCSR1_RS232EN_1 ((uint)0x01000000)
326 #define BCSR1_PCCEN ((uint)0x00800000)
327 #define BCSR1_PCCVCC0 ((uint)0x00400000)
328 #define BCSR1_PCCVPP_MASK ((uint)0x00300000)
329 #define BCSR1_DRAM_HALF_WORD ((uint)0x00080000)
330 #define BCSR1_RS232EN_2 ((uint)0x00040000)
331 #define BCSR1_SDRAM_EN ((uint)0x00020000)
332 #define BCSR1_PCCVCC1 ((uint)0x00010000)
334 #define BCSR2_FLASH_PD_MASK ((uint)0xF0000000)
335 #define BCSR2_DRAM_PD_MASK ((uint)0x07800000)
336 #define BCSR2_DRAM_PD_SHIFT (23)
337 #define BCSR2_EXTTOLI_MASK ((uint)0x00780000)
338 #define BCSR2_DBREVNR_MASK ((uint)0x00030000)
340 #define BCSR3_DBID_MASK ((ushort)0x3800)
341 #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
342 #define BCSR3_BREVNR0 ((ushort)0x0080)
343 #define BCSR3_FLASH_PD_MASK ((ushort)0x0070)
344 #define BCSR3_BREVN1 ((ushort)0x0008)
345 #define BCSR3_BREVN2_MASK ((ushort)0x0003)
347 #define BCSR4_ETHLOOP ((uint)0x80000000)
348 #define BCSR4_TFPLDL ((uint)0x40000000)
349 #define BCSR4_TPSQEL ((uint)0x20000000)
350 #define BCSR4_SIGNAL_LAMP ((uint)0x10000000)
352 #define BCSR4_USB_EN ((uint)0x08000000)
353 #endif /* CONFIG_MPC823 */
354 #ifdef CONFIG_MPC860SAR
355 #define BCSR4_UTOPIA_EN ((uint)0x08000000)
356 #endif /* CONFIG_MPC860SAR */
357 #ifdef CONFIG_MPC860T
358 #define BCSR4_FETH_EN ((uint)0x08000000)
359 #endif /* CONFIG_MPC860T */
360 #define BCSR4_USB_SPEED ((uint)0x04000000)
361 #define BCSR4_VCCO ((uint)0x02000000)
362 #define BCSR4_VIDEO_ON ((uint)0x00800000)
363 #define BCSR4_VDO_EKT_CLK_EN ((uint)0x00400000)
364 #define BCSR4_VIDEO_RST ((uint)0x00200000)
365 #define BCSR4_MODEM_EN ((uint)0x00100000)
366 #define BCSR4_DATA_VOICE ((uint)0x00080000)
368 #define CONFIG_DRAM_40MHZ 1
370 #ifdef CONFIG_MPC860T
372 /* Interrupt level assignments.
374 #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
376 #endif /* CONFIG_MPC860T */
378 /* We don't use the 8259.
380 #define NR_8259_INTS 0
384 #define _MACH_8xx (_MACH_fads)
389 #define CONFIG_SCC_ENET 1
390 #define CONFIG_SCC1_ENET 1
391 #define CONFIG_FEC_ENET 1
392 #undef CONFIG_CPM_IIC
393 #undef CONFIG_UCODE_PATCH
396 #define CONFIG_DISK_SPINUP_TIME 1000000
399 /* PCMCIA configuration */
401 #define PCMCIA_MAX_SLOTS 2
404 #define PCMCIA_SLOT_A 1
407 #endif /* __CONFIG_H */