3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
26 * U-Boot port on NetVia board
33 * High Level Configuration Options
37 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
38 #define CONFIG_NETVIA 1 /* ...on a NetVia board */
39 #undef CONFIG_NETVIA_PLL_CLOCK /* PLL or fixed crystal clock */
41 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
42 #undef CONFIG_8xx_CONS_SMC2
43 #undef CONFIG_8xx_CONS_NONE
44 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
46 #ifdef CONFIG_NETVIA_PLL_CLOCK
47 /* XXX make sure that you calculate these two correctly */
48 #define CFG_GCLK_MF 1350
49 #define CONFIG_8xx_GCLK_FREQ 44236800
52 #define CONFIG_8xx_GCLK_FREQ 50000000
56 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
58 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
61 #undef CONFIG_CLOCKS_IN_MHZ /* clocks NOT passsed to Linux in MHz */
63 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
65 #undef CONFIG_BOOTARGS
66 #define CONFIG_BOOTCOMMAND \
68 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
69 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
72 #define CONFIG_LOADS_ECHO 0 /* echo off for serial download */
73 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
75 #undef CONFIG_WATCHDOG /* watchdog disabled */
77 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
79 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
81 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
83 #undef CONFIG_MAC_PARTITION
84 #undef CONFIG_DOS_PARTITION
86 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
88 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
91 #define CONFIG_BOARD_PRE_INIT
92 #define CONFIG_MISC_INIT_R
94 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
95 #include <cmd_confdefs.h>
98 * Miscellaneous configurable options
100 #define CFG_LONGHELP /* undef to save memory */
101 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
102 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
103 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
105 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
107 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
108 #define CFG_MAXARGS 16 /* max number of command args */
109 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
111 #define CFG_MEMTEST_START 0x0300000 /* memtest works on */
112 #define CFG_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
114 #define CFG_LOAD_ADDR 0x100000 /* default load address */
116 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
118 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
121 * Low Level Configuration Settings
122 * (address mappings, register initial values, etc.)
123 * You should know what you are doing if you make changes here.
125 /*-----------------------------------------------------------------------
126 * Internal Memory Mapped Register
128 #define CFG_IMMR 0xFF000000
130 /*-----------------------------------------------------------------------
131 * Definitions for initial stack pointer and data area (in DPRAM)
133 #define CFG_INIT_RAM_ADDR CFG_IMMR
134 #define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
135 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
136 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
137 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
139 /*-----------------------------------------------------------------------
140 * Start addresses for the final memory configuration
141 * (Set up by the startup code)
142 * Please note that CFG_SDRAM_BASE _must_ start at 0
144 #define CFG_SDRAM_BASE 0x00000000
145 #define CFG_FLASH_BASE 0x40000000
147 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
149 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
151 #define CFG_MONITOR_BASE CFG_FLASH_BASE
152 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
155 * For booting Linux, the board info and command line data
156 * have to be in the first 8 MB of memory, since this is
157 * the maximum mapped by the Linux kernel during initialization.
159 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
161 /*-----------------------------------------------------------------------
164 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
165 #define CFG_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
167 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
168 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
170 #define CFG_ENV_IS_IN_FLASH 1
171 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
172 #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
173 #define CFG_ENV_SECT_SIZE 0x10000
175 /*-----------------------------------------------------------------------
176 * Cache Configuration
178 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
179 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
180 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
183 /*-----------------------------------------------------------------------
184 * SYPCR - System Protection Control 11-9
185 * SYPCR can only be written once after reset!
186 *-----------------------------------------------------------------------
187 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
189 #if defined(CONFIG_WATCHDOG)
190 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
191 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
193 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
196 /*-----------------------------------------------------------------------
197 * SIUMCR - SIU Module Configuration 11-6
198 *-----------------------------------------------------------------------
199 * PCMCIA config., multi-function pin tri-state
201 #ifndef CONFIG_CAN_DRIVER
202 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC)
203 #else /* we must activate GPL5 in the SIUMCR for CAN */
204 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC)
205 #endif /* CONFIG_CAN_DRIVER */
207 /*-----------------------------------------------------------------------
208 * TBSCR - Time Base Status and Control 11-26
209 *-----------------------------------------------------------------------
210 * Clear Reference Interrupt Status, Timebase freezing enabled
212 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
214 /*-----------------------------------------------------------------------
215 * RTCSC - Real-Time Clock Status and Control Register 11-27
216 *-----------------------------------------------------------------------
218 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
220 /*-----------------------------------------------------------------------
221 * PISCR - Periodic Interrupt Status and Control 11-31
222 *-----------------------------------------------------------------------
223 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
225 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
227 /*-----------------------------------------------------------------------
228 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
229 *-----------------------------------------------------------------------
230 * Reset PLL lock status sticky bit, timer expired status bit and timer
231 * interrupt status bit
235 #define CFG_PLPRCR ( ((CFG_GCLK_MF-1) << PLPRCR_MF_SHIFT) | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
237 /*-----------------------------------------------------------------------
238 * SCCR - System Clock and reset Control Register 15-27
239 *-----------------------------------------------------------------------
240 * Set clock output, timebase and RTC source and divider,
241 * power management and some other internal clocks
243 #define SCCR_MASK SCCR_EBDF11
244 #define CFG_SCCR (SCCR_TBS | \
245 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
246 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
249 /*-----------------------------------------------------------------------
251 *-----------------------------------------------------------------------
254 /*#define CFG_DER 0x2002000F*/
258 * Init Memory Controller:
260 * BR0/1 and OR0/1 (FLASH)
263 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
265 /* used to re-map FLASH both when starting from SRAM or FLASH:
266 * restrict access enough to keep SRAM working (if any)
267 * but not too much to meddle with FLASH accesses
269 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
270 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
272 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
273 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX)
275 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
276 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
277 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
280 * BR1/2 and OR1/2 (4MByte Flash Bank x 2)
283 #define FLASH0_SIZE 0x00400000 /* 4MByte */
284 #define FLASH0_BASE 0xF0000000
286 #define CFG_OR1_PRELIM ((0xFFFFFFFFLU & ~(FLASH0_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX)
287 #define CFG_BR1_PRELIM ((FLASH0_BASE & BR_BA_MSK) | BR_PS_32 | BR_V)
289 #define FLASH1_SIZE 0x00400000
290 #define FLASH1_BASE 0xF0400000
292 #define CFG_OR2_PRELIM ((0xFFFFFFFFLU & ~(FLASH1_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX)
293 #define CFG_BR2_PRELIM ((FLASH1_BASE & BR_BA_MSK) | BR_PS_32 | BR_V)
296 * BR3 and OR3 (SDRAM)
299 #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */
300 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
302 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
303 #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM | OR_G5LS)
305 #define CFG_OR3_PRELIM ((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CFG_OR_TIMING_SDRAM)
306 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V)
309 * BR6 (External register)
310 * 16 bit port size - leds are at high 8 bits
312 #define EXTREG_BASE 0x30000000 /* external register */
313 #define EXTREG_SIZE 0x00010000 /* max 64K */
315 #define CFG_OR6_PRELIM ((0xFFFFFFFFLU & ~(EXTREG_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_15_CLK | OR_TRLX)
316 #define CFG_BR6_PRELIM ((EXTREG_BASE & BR_BA_MSK) | BR_PS_32 | BR_V)
319 * Memory Periodic Timer Prescaler
322 /* periodic timer for refresh */
323 #define CFG_MAMR_PTA 208
325 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
326 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
329 * MAMR settings for SDRAM
333 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
334 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
335 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
338 * Internal Definitions
342 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
343 #define BOOTFLAG_WARM 0x02 /* Software reboot */
345 /* Ethernet at SCC2 */
346 #define CONFIG_SCC2_ENET
348 #endif /* __CONFIG_H */