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_SYS_TEXT_BASE 0xfe000000
33 #define CONFIG_8xx_CPUCLOCK 40
34 #define CONFIG_8xx_BUSCLOCK (CONFIG_8xx_CPUCLOCK)
35 #define TARGET_SYSTEM_FREQUENCY 40
37 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
38 #undef CONFIG_8xx_CONS_SMC2
39 #define CONFIG_BAUDRATE 9600
41 #define MPC8XX_FACT 10 /* Multiply by 10 */
42 #define MPC8XX_XIN 40000000 /* 50 MHz in */
43 #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
45 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
48 #define CONFIG_8xx_BOOTDELAY -1 /* autoboot disabled */
49 #define CONFIG_8xx_TFTP_MODE
51 #define CONFIG_8xx_BOOTDELAY 5 /* autoboot after 5 seconds */
52 #undef CONFIG_8xx_TFTP_MODE
55 #define CONFIG_MISC_INIT_R
57 #define CONFIG_DRAM_SPEED (CONFIG_8xx_BUSCLOCK) /* MHz */
58 #define CONFIG_BOOTCOMMAND "bootm FE020000" /* autoboot command */
59 #define CONFIG_BOOTARGS " "
61 * Miscellaneous configurable options
63 #undef CONFIG_SYS_LONGHELP /* undef to save memory */
64 #define CONFIG_SYS_PROMPT ":>" /* Monitor Command Prompt */
65 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
66 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
67 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
68 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
70 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
71 #define CONFIG_SYS_MEMTEST_END 0x0800000 /* 4 ... 8 MB in DRAM */
73 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
75 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
77 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
80 * Low Level Configuration Settings
81 * (address mappings, register initial values, etc.)
82 * You should know what you are doing if you make changes here.
84 /*-----------------------------------------------------------------------
85 * Internal Memory Mapped Register
87 #define CONFIG_SYS_IMMR 0xFFA00000
88 #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024))
89 #define CONFIG_SYS_NVRAM_BASE 0xFA000000 /* NVRAM */
90 #define CONFIG_SYS_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
91 #define CONFIG_SYS_CSR_BASE 0xFA100000 /* Control/Status Registers */
92 #define CONFIG_SYS_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
93 #define CONFIG_SYS_PCIMEM_OR 0xA0000108
94 #define CONFIG_SYS_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
95 #define CONFIG_SYS_PCIBRIDGE_OR 0xFFFF0108
97 /*-----------------------------------------------------------------------
98 * Definitions for initial stack pointer and data area (in DPRAM)
100 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
101 #define CONFIG_SYS_INIT_RAM_SIZE 0x2f00 /* Size of used area in DPRAM */
102 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
103 #define CONFIG_SYS_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
104 #define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE)
105 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8)
107 /*-----------------------------------------------------------------------
108 * Offset in DPMEM where we keep the VPD data
110 #define CONFIG_SYS_DPRAMVPD (CONFIG_SYS_INIT_VPD_OFFSET - 0x2000)
112 /*-----------------------------------------------------------------------
113 * Start addresses for the final memory configuration
114 * (Set up by the startup code)
115 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
117 #define CONFIG_SYS_SDRAM_BASE 0x00000000
118 #define CONFIG_SYS_FLASH_BASE 0x00000000
120 #define CONFIG_SYS_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
121 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
122 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
123 #define CONFIG_SYS_HWINFO_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN - CONFIG_SYS_HWINFO_LEN)
124 #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
127 * For booting Linux, the board info and command line data
128 * have to be in the first 8 MB of memory, since this is
129 * the maximum mapped by the Linux kernel during initialization.
131 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
133 /*-----------------------------------------------------------------------
136 #define CONFIG_SYS_MAX_FLASH_BANKS 4 /* max number of memory banks */
137 #define CONFIG_SYS_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
139 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
140 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
142 /*-----------------------------------------------------------------------
143 * NVRAM Configuration
145 * Note: the MBX is special because there is already a firmware on this
146 * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
147 * access the NVRAM at the offset 0x1000.
149 #define CONFIG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
150 #define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_BASE + 0x1000)
151 #define CONFIG_ENV_SIZE 0x1000
153 /*-----------------------------------------------------------------------
154 * Cache Configuration
156 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
157 #if defined(CONFIG_CMD_KGDB)
158 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
161 /*-----------------------------------------------------------------------
162 * SYPCR - System Protection Control 11-9
163 * SYPCR can only be written once after reset!
164 *-----------------------------------------------------------------------
165 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
167 #if defined(CONFIG_WATCHDOG)
168 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
169 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
171 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
174 /*-----------------------------------------------------------------------
175 * SIUMCR - SIU Module Configuration 11-6
176 *-----------------------------------------------------------------------
177 * PCMCIA config., multi-function pin tri-state
179 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME)
181 /*-----------------------------------------------------------------------
182 * TBSCR - Time Base Status and Control 11-26
183 *-----------------------------------------------------------------------
184 * Clear Reference Interrupt Status, Timebase freezing enabled
186 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
188 /*-----------------------------------------------------------------------
189 * PISCR - Periodic Interrupt Status and Control 11-31
190 *-----------------------------------------------------------------------
191 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
193 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
195 /*-----------------------------------------------------------------------
196 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
197 *-----------------------------------------------------------------------
198 * Reset PLL lock status sticky bit, timer expired status bit and timer
199 * interrupt status bit - leave PLL multiplication factor unchanged !
201 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
203 /*-----------------------------------------------------------------------
204 * SCCR - System Clock and reset Control Register 15-27
205 *-----------------------------------------------------------------------
206 * Set clock output, timebase and RTC source and divider,
207 * power management and some other internal clocks
209 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
210 #define CONFIG_SYS_SCCR SCCR_TBS
212 /*-----------------------------------------------------------------------
214 *-----------------------------------------------------------------------
217 #define CONFIG_SYS_DER 0
219 /* Because of the way the 860 starts up and assigns CS0 the
220 * entire address space, we have to set the memory controller
221 * differently. Normally, you write the option register
222 * first, and then enable the chip select by writing the
223 * base register. For CS0, you must write the base register
224 * first, followed by the option register.
228 * Init Memory Controller:
230 * BR0/1 and OR0/1 (FLASH)
232 /* the other CS:s are determined by looking at parameters in BCSRx */
235 #define BCSR_ADDR ((uint) 0xFF010000)
236 #define BCSR_SIZE ((uint)(64 * 1024))
238 #define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0 */
239 #define FLASH_BASE1_PRELIM 0xFF010000 /* FLASH bank #0 */
241 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
242 #define CONFIG_SYS_PRELIM_OR_AM 0xFFF00000 /* OR addr mask */
244 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
245 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
247 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
248 #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*/
249 #define CONFIG_SYS_BR0_PRELIM (0xFE000000 | BR_V )
251 /* BCSRx - Board Control and Status Registers */
252 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
253 #define CONFIG_SYS_OR1_PRELIM 0xFFC00000 | OR_ACS_DIV4
254 #define CONFIG_SYS_BR1_PRELIM (0x00000000 | BR_MS_UPMA | BR_V )
258 * Memory Periodic Timer Prescaler
261 /* periodic timer for refresh */
262 #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
264 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
265 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
266 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
268 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
269 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
270 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
273 * MAMR settings for SDRAM
277 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
278 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
279 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
281 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
282 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
283 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
285 #define CONFIG_SYS_MAMR 0x13821000
287 /* values according to the manual */
290 #define PCMCIA_MEM_ADDR ((uint)0xff020000)
291 #define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
293 #define BCSR0 ((uint) (BCSR_ADDR + 00))
294 #define BCSR1 ((uint) (BCSR_ADDR + 0x04))
295 #define BCSR2 ((uint) (BCSR_ADDR + 0x08))
296 #define BCSR3 ((uint) (BCSR_ADDR + 0x0c))
297 #define BCSR4 ((uint) (BCSR_ADDR + 0x10))
299 /* FADS bitvalues by Helmut Buchsbaum
300 * see MPC8xxADS User's Manual for a proper description
301 * of the following structures
304 #define BCSR0_ERB ((uint)0x80000000)
305 #define BCSR0_IP ((uint)0x40000000)
306 #define BCSR0_BDIS ((uint)0x10000000)
307 #define BCSR0_BPS_MASK ((uint)0x0C000000)
308 #define BCSR0_ISB_MASK ((uint)0x01800000)
309 #define BCSR0_DBGC_MASK ((uint)0x00600000)
310 #define BCSR0_DBPC_MASK ((uint)0x00180000)
311 #define BCSR0_EBDF_MASK ((uint)0x00060000)
313 #define BCSR1_FLASH_EN ((uint)0x80000000)
314 #define BCSR1_DRAM_EN ((uint)0x40000000)
315 #define BCSR1_ETHEN ((uint)0x20000000)
316 #define BCSR1_IRDEN ((uint)0x10000000)
317 #define BCSR1_FLASH_CFG_EN ((uint)0x08000000)
318 #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
319 #define BCSR1_BCSR_EN ((uint)0x02000000)
320 #define BCSR1_RS232EN_1 ((uint)0x01000000)
321 #define BCSR1_PCCEN ((uint)0x00800000)
322 #define BCSR1_PCCVCC0 ((uint)0x00400000)
323 #define BCSR1_PCCVPP_MASK ((uint)0x00300000)
324 #define BCSR1_DRAM_HALF_WORD ((uint)0x00080000)
325 #define BCSR1_RS232EN_2 ((uint)0x00040000)
326 #define BCSR1_SDRAM_EN ((uint)0x00020000)
327 #define BCSR1_PCCVCC1 ((uint)0x00010000)
329 #define BCSR2_FLASH_PD_MASK ((uint)0xF0000000)
330 #define BCSR2_DRAM_PD_MASK ((uint)0x07800000)
331 #define BCSR2_DRAM_PD_SHIFT (23)
332 #define BCSR2_EXTTOLI_MASK ((uint)0x00780000)
333 #define BCSR2_DBREVNR_MASK ((uint)0x00030000)
335 #define BCSR3_DBID_MASK ((ushort)0x3800)
336 #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
337 #define BCSR3_BREVNR0 ((ushort)0x0080)
338 #define BCSR3_FLASH_PD_MASK ((ushort)0x0070)
339 #define BCSR3_BREVN1 ((ushort)0x0008)
340 #define BCSR3_BREVN2_MASK ((ushort)0x0003)
342 #define BCSR4_ETHLOOP ((uint)0x80000000)
343 #define BCSR4_TFPLDL ((uint)0x40000000)
344 #define BCSR4_TPSQEL ((uint)0x20000000)
345 #define BCSR4_SIGNAL_LAMP ((uint)0x10000000)
347 #define BCSR4_USB_EN ((uint)0x08000000)
348 #endif /* CONFIG_MPC823 */
349 #ifdef CONFIG_MPC860SAR
350 #define BCSR4_UTOPIA_EN ((uint)0x08000000)
351 #endif /* CONFIG_MPC860SAR */
352 #ifdef CONFIG_MPC860T
353 #define BCSR4_FETH_EN ((uint)0x08000000)
354 #endif /* CONFIG_MPC860T */
355 #define BCSR4_USB_SPEED ((uint)0x04000000)
356 #define BCSR4_VCCO ((uint)0x02000000)
357 #define BCSR4_VIDEO_ON ((uint)0x00800000)
358 #define BCSR4_VDO_EKT_CLK_EN ((uint)0x00400000)
359 #define BCSR4_VIDEO_RST ((uint)0x00200000)
360 #define BCSR4_MODEM_EN ((uint)0x00100000)
361 #define BCSR4_DATA_VOICE ((uint)0x00080000)
363 #define CONFIG_DRAM_40MHZ 1
365 #ifdef CONFIG_MPC860T
367 /* Interrupt level assignments.
369 #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
371 #endif /* CONFIG_MPC860T */
373 /* We don't use the 8259.
375 #define NR_8259_INTS 0
377 #define CONFIG_CMD_NET
381 #define CONFIG_SCC_ENET 1
382 #define CONFIG_SCC1_ENET 1
383 #define CONFIG_FEC_ENET 1
384 #undef CONFIG_CPM_IIC
385 #undef CONFIG_UCODE_PATCH
388 #define CONFIG_DISK_SPINUP_TIME 1000000
391 /* PCMCIA configuration */
393 #define PCMCIA_MAX_SLOTS 2
396 #define PCMCIA_SLOT_A 1
399 #endif /* __CONFIG_H */