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_MISC_INIT_R
55 #define CONFIG_DRAM_SPEED (CONFIG_8xx_BUSCLOCK) /* MHz */
56 #define CONFIG_BOOTCOMMAND "bootm FE020000" /* autoboot command */
57 #define CONFIG_BOOTARGS " "
59 * Miscellaneous configurable options
61 #undef CONFIG_SYS_LONGHELP /* undef to save memory */
62 #define CONFIG_SYS_PROMPT ":>" /* Monitor Command Prompt */
63 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
64 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
65 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
66 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
68 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
69 #define CONFIG_SYS_MEMTEST_END 0x0800000 /* 4 ... 8 MB in DRAM */
71 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
73 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
75 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
78 * Low Level Configuration Settings
79 * (address mappings, register initial values, etc.)
80 * You should know what you are doing if you make changes here.
82 /*-----------------------------------------------------------------------
83 * Internal Memory Mapped Register
85 #define CONFIG_SYS_IMMR 0xFFA00000
86 #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024))
87 #define CONFIG_SYS_NVRAM_BASE 0xFA000000 /* NVRAM */
88 #define CONFIG_SYS_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
89 #define CONFIG_SYS_CSR_BASE 0xFA100000 /* Control/Status Registers */
90 #define CONFIG_SYS_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
91 #define CONFIG_SYS_PCIMEM_OR 0xA0000108
92 #define CONFIG_SYS_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
93 #define CONFIG_SYS_PCIBRIDGE_OR 0xFFFF0108
95 /*-----------------------------------------------------------------------
96 * Definitions for initial stack pointer and data area (in DPRAM)
98 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
99 #define CONFIG_SYS_INIT_RAM_END 0x2f00 /* End of used area in DPRAM */
100 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
101 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
102 #define CONFIG_SYS_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
103 #define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE)
104 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8)
106 /*-----------------------------------------------------------------------
107 * Offset in DPMEM where we keep the VPD data
109 #define CONFIG_SYS_DPRAMVPD (CONFIG_SYS_INIT_VPD_OFFSET - 0x2000)
111 /*-----------------------------------------------------------------------
112 * Start addresses for the final memory configuration
113 * (Set up by the startup code)
114 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
116 #define CONFIG_SYS_SDRAM_BASE 0x00000000
117 #define CONFIG_SYS_FLASH_BASE 0x00000000
119 #define CONFIG_SYS_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
120 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
121 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
122 #define CONFIG_SYS_HWINFO_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN - CONFIG_SYS_HWINFO_LEN)
123 #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
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 CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
132 /*-----------------------------------------------------------------------
135 #define CONFIG_SYS_MAX_FLASH_BANKS 4 /* max number of memory banks */
136 #define CONFIG_SYS_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
138 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
139 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
141 /*-----------------------------------------------------------------------
142 * NVRAM Configuration
144 * Note: the MBX is special because there is already a firmware on this
145 * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
146 * access the NVRAM at the offset 0x1000.
148 #define CONFIG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
149 #define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_BASE + 0x1000)
150 #define CONFIG_ENV_SIZE 0x1000
152 /*-----------------------------------------------------------------------
153 * Cache Configuration
155 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
156 #if defined(CONFIG_CMD_KGDB)
157 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
160 /*-----------------------------------------------------------------------
161 * SYPCR - System Protection Control 11-9
162 * SYPCR can only be written once after reset!
163 *-----------------------------------------------------------------------
164 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
166 #if defined(CONFIG_WATCHDOG)
167 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
168 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
170 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
173 /*-----------------------------------------------------------------------
174 * SIUMCR - SIU Module Configuration 11-6
175 *-----------------------------------------------------------------------
176 * PCMCIA config., multi-function pin tri-state
178 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME)
180 /*-----------------------------------------------------------------------
181 * TBSCR - Time Base Status and Control 11-26
182 *-----------------------------------------------------------------------
183 * Clear Reference Interrupt Status, Timebase freezing enabled
185 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
187 /*-----------------------------------------------------------------------
188 * PISCR - Periodic Interrupt Status and Control 11-31
189 *-----------------------------------------------------------------------
190 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
192 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
194 /*-----------------------------------------------------------------------
195 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
196 *-----------------------------------------------------------------------
197 * Reset PLL lock status sticky bit, timer expired status bit and timer
198 * interrupt status bit - leave PLL multiplication factor unchanged !
200 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
202 /*-----------------------------------------------------------------------
203 * SCCR - System Clock and reset Control Register 15-27
204 *-----------------------------------------------------------------------
205 * Set clock output, timebase and RTC source and divider,
206 * power management and some other internal clocks
208 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
209 #define CONFIG_SYS_SCCR SCCR_TBS
211 /*-----------------------------------------------------------------------
213 *-----------------------------------------------------------------------
216 #define CONFIG_SYS_DER 0
218 /* Because of the way the 860 starts up and assigns CS0 the
219 * entire address space, we have to set the memory controller
220 * differently. Normally, you write the option register
221 * first, and then enable the chip select by writing the
222 * base register. For CS0, you must write the base register
223 * first, followed by the option register.
227 * Init Memory Controller:
229 * BR0/1 and OR0/1 (FLASH)
231 /* the other CS:s are determined by looking at parameters in BCSRx */
234 #define BCSR_ADDR ((uint) 0xFF010000)
235 #define BCSR_SIZE ((uint)(64 * 1024))
237 #define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0 */
238 #define FLASH_BASE1_PRELIM 0xFF010000 /* FLASH bank #0 */
240 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
241 #define CONFIG_SYS_PRELIM_OR_AM 0xFFF00000 /* OR addr mask */
243 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
244 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
246 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
247 #define CONFIG_SYS_OR0_PRELIM (0xFF800000 | OR_CSNT_SAM | OR_BI | OR_SCY_3_CLK) /* 1 Mbyte until detected and only 1 Mbyte is needed*/
248 #define CONFIG_SYS_BR0_PRELIM (0xFE000000 | BR_V )
250 /* BCSRx - Board Control and Status Registers */
251 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
252 #define CONFIG_SYS_OR1_PRELIM 0xFFC00000 | OR_ACS_DIV4
253 #define CONFIG_SYS_BR1_PRELIM (0x00000000 | BR_MS_UPMA | BR_V )
257 * Memory Periodic Timer Prescaler
260 /* periodic timer for refresh */
261 #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
263 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
264 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
265 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
267 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
268 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
269 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
272 * MAMR settings for SDRAM
276 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
277 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
278 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
280 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
281 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
282 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
284 #define CONFIG_SYS_MAMR 0x13821000
286 * Internal Definitions
290 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
291 #define BOOTFLAG_WARM 0x02 /* Software reboot */
294 /* values according to the manual */
297 #define PCMCIA_MEM_ADDR ((uint)0xff020000)
298 #define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
300 #define BCSR0 ((uint) (BCSR_ADDR + 00))
301 #define BCSR1 ((uint) (BCSR_ADDR + 0x04))
302 #define BCSR2 ((uint) (BCSR_ADDR + 0x08))
303 #define BCSR3 ((uint) (BCSR_ADDR + 0x0c))
304 #define BCSR4 ((uint) (BCSR_ADDR + 0x10))
306 /* FADS bitvalues by Helmut Buchsbaum
307 * see MPC8xxADS User's Manual for a proper description
308 * of the following structures
311 #define BCSR0_ERB ((uint)0x80000000)
312 #define BCSR0_IP ((uint)0x40000000)
313 #define BCSR0_BDIS ((uint)0x10000000)
314 #define BCSR0_BPS_MASK ((uint)0x0C000000)
315 #define BCSR0_ISB_MASK ((uint)0x01800000)
316 #define BCSR0_DBGC_MASK ((uint)0x00600000)
317 #define BCSR0_DBPC_MASK ((uint)0x00180000)
318 #define BCSR0_EBDF_MASK ((uint)0x00060000)
320 #define BCSR1_FLASH_EN ((uint)0x80000000)
321 #define BCSR1_DRAM_EN ((uint)0x40000000)
322 #define BCSR1_ETHEN ((uint)0x20000000)
323 #define BCSR1_IRDEN ((uint)0x10000000)
324 #define BCSR1_FLASH_CFG_EN ((uint)0x08000000)
325 #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
326 #define BCSR1_BCSR_EN ((uint)0x02000000)
327 #define BCSR1_RS232EN_1 ((uint)0x01000000)
328 #define BCSR1_PCCEN ((uint)0x00800000)
329 #define BCSR1_PCCVCC0 ((uint)0x00400000)
330 #define BCSR1_PCCVPP_MASK ((uint)0x00300000)
331 #define BCSR1_DRAM_HALF_WORD ((uint)0x00080000)
332 #define BCSR1_RS232EN_2 ((uint)0x00040000)
333 #define BCSR1_SDRAM_EN ((uint)0x00020000)
334 #define BCSR1_PCCVCC1 ((uint)0x00010000)
336 #define BCSR2_FLASH_PD_MASK ((uint)0xF0000000)
337 #define BCSR2_DRAM_PD_MASK ((uint)0x07800000)
338 #define BCSR2_DRAM_PD_SHIFT (23)
339 #define BCSR2_EXTTOLI_MASK ((uint)0x00780000)
340 #define BCSR2_DBREVNR_MASK ((uint)0x00030000)
342 #define BCSR3_DBID_MASK ((ushort)0x3800)
343 #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
344 #define BCSR3_BREVNR0 ((ushort)0x0080)
345 #define BCSR3_FLASH_PD_MASK ((ushort)0x0070)
346 #define BCSR3_BREVN1 ((ushort)0x0008)
347 #define BCSR3_BREVN2_MASK ((ushort)0x0003)
349 #define BCSR4_ETHLOOP ((uint)0x80000000)
350 #define BCSR4_TFPLDL ((uint)0x40000000)
351 #define BCSR4_TPSQEL ((uint)0x20000000)
352 #define BCSR4_SIGNAL_LAMP ((uint)0x10000000)
354 #define BCSR4_USB_EN ((uint)0x08000000)
355 #endif /* CONFIG_MPC823 */
356 #ifdef CONFIG_MPC860SAR
357 #define BCSR4_UTOPIA_EN ((uint)0x08000000)
358 #endif /* CONFIG_MPC860SAR */
359 #ifdef CONFIG_MPC860T
360 #define BCSR4_FETH_EN ((uint)0x08000000)
361 #endif /* CONFIG_MPC860T */
362 #define BCSR4_USB_SPEED ((uint)0x04000000)
363 #define BCSR4_VCCO ((uint)0x02000000)
364 #define BCSR4_VIDEO_ON ((uint)0x00800000)
365 #define BCSR4_VDO_EKT_CLK_EN ((uint)0x00400000)
366 #define BCSR4_VIDEO_RST ((uint)0x00200000)
367 #define BCSR4_MODEM_EN ((uint)0x00100000)
368 #define BCSR4_DATA_VOICE ((uint)0x00080000)
370 #define CONFIG_DRAM_40MHZ 1
372 #ifdef CONFIG_MPC860T
374 /* Interrupt level assignments.
376 #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
378 #endif /* CONFIG_MPC860T */
380 /* We don't use the 8259.
382 #define NR_8259_INTS 0
384 #define CONFIG_CMD_NET
388 #define CONFIG_SCC_ENET 1
389 #define CONFIG_SCC1_ENET 1
390 #define CONFIG_FEC_ENET 1
391 #undef CONFIG_CPM_IIC
392 #undef CONFIG_UCODE_PATCH
395 #define CONFIG_DISK_SPINUP_TIME 1000000
398 /* PCMCIA configuration */
400 #define PCMCIA_MAX_SLOTS 2
403 #define PCMCIA_SLOT_A 1
406 #endif /* __CONFIG_H */