| /* |
| * (C) Copyright 2000, 2001, 2002 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* |
| * board/config.h - configuration options, board specific |
| * Derived from ../tqm8xx/tqm8xx.c |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| #define CONFIG_MPC855 1 /* This is a MPC855 CPU */ |
| #define CONFIG_KUP4K 1 /* ...on a KUP4K module */ |
| |
| #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| #undef CONFIG_8xx_CONS_SMC2 |
| #undef CONFIG_8xx_CONS_NONE |
| #define CONFIG_BAUDRATE 9600 /* console baudrate */ |
| #if 0 |
| #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ |
| #else |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 1 second */ |
| #endif |
| |
| #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| |
| #define CONFIG_BOARD_TYPES 1 /* support board types */ |
| |
| #if 0 |
| #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" |
| #endif |
| |
| #undef CONFIG_BOOTARGS |
| |
| #define CONFIG_NFSBOOTCOMMAND \ |
| "dhcp ;"\ |
| "setenv bootargs root=/dev/nfs ro nfsroot=$(nfsip):$(rootpath) "\ |
| "ip=$(ipaddr):$(nfsip):$(gatewayip):"\ |
| "$(netmask):heydeck.eva:eth0:off; "\ |
| "bootm 100000" |
| |
| #define CONFIG_RAMBOOTCOMMAND \ |
| "diskboot 100000 0:1; "\ |
| "setenv bootargs root=/dev/hda2 panic=1 "\ |
| "ip=192.168.0.71:192.168.0.100:192.168.0.2:255.255.255.0; "\ |
| "bootm" |
| |
| #define CONFIG_BOOTCOMMAND \ |
| "run ramboot "\ |
| "run nfsboot" |
| |
| #define CONFIG_MISC_INIT_R 1 |
| |
| #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
| #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
| |
| #undef CONFIG_WATCHDOG /* watchdog disabled */ |
| |
| #define CONFIG_STATUS_LED 1 /* Status LED enabled */ |
| |
| #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ |
| |
| #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) |
| |
| #define CONFIG_MAC_PARTITION |
| #define CONFIG_DOS_PARTITION |
| |
| #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ |
| |
| #define CONFIG_ETHADDR 00:0B:64:00:00:00 /* our OUI from IEEE */ |
| #define CONFIG_KUP4K_LOGO 0x40040000 /* Address of logo bitmap */ |
| |
| /* Define to allow the user to overwrite serial and ethaddr */ |
| #define CONFIG_ENV_OVERWRITE |
| |
| #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
| CFG_CMD_DHCP | \ |
| CFG_CMD_IDE | \ |
| CFG_CMD_DATE ) |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
| #else |
| #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| #endif |
| #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
| #define CFG_MAXARGS 16 /* max number of command args */ |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| |
| #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ |
| #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
| |
| #define CFG_LOAD_ADDR 0x100000 /* default load address */ |
| |
| #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| |
| #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| |
| /* |
| * Low Level Configuration Settings |
| * (address mappings, register initial values, etc.) |
| * You should know what you are doing if you make changes here. |
| */ |
| /*----------------------------------------------------------------------- |
| * Internal Memory Mapped Register |
| */ |
| #define CFG_IMMR 0xFFF00000 |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CFG_INIT_RAM_ADDR CFG_IMMR |
| #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ |
| #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| |
| /*----------------------------------------------------------------------- |
| * Start addresses for the final memory configuration |
| * (Set up by the startup code) |
| * Please note that CFG_SDRAM_BASE _must_ start at 0 |
| */ |
| #define CFG_SDRAM_BASE 0x00000000 |
| #define CFG_FLASH_BASE 0x40000000 |
| #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #define CFG_MONITOR_BASE CFG_FLASH_BASE |
| #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
| |
| /* |
| * For booting Linux, the board info and command line data |
| * have to be in the first 8 MB of memory, since this is |
| * the maximum mapped by the Linux kernel during initialization. |
| */ |
| #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| |
| /*----------------------------------------------------------------------- |
| * FLASH organization |
| */ |
| #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ |
| |
| #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| |
| #define CFG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ |
| #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ |
| #define CFG_ENV_SECT_SIZE 0x8000 |
| |
| /* Address and size of Redundant Environment Sector */ |
| #if 0 |
| #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE) |
| #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) |
| #endif |
| /*----------------------------------------------------------------------- |
| * Hardware Information Block |
| */ |
| #if 0 |
| #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ |
| #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ |
| #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ |
| #endif |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * SYPCR - System Protection Control 11-9 |
| * SYPCR can only be written once after reset! |
| *----------------------------------------------------------------------- |
| * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
| */ |
| #if defined(CONFIG_WATCHDOG) |
| #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
| SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
| #else |
| #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 11-6 |
| *----------------------------------------------------------------------- |
| * PCMCIA config., multi-function pin tri-state |
| */ |
| #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00) |
| |
| /*----------------------------------------------------------------------- |
| * TBSCR - Time Base Status and Control 11-26 |
| *----------------------------------------------------------------------- |
| * Clear Reference Interrupt Status, Timebase freezing enabled |
| */ |
| #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
| |
| /*----------------------------------------------------------------------- |
| * RTCSC - Real-Time Clock Status and Control Register 11-27 |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
| |
| /*----------------------------------------------------------------------- |
| * PISCR - Periodic Interrupt Status and Control 11-31 |
| *----------------------------------------------------------------------- |
| * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| */ |
| #define CFG_PISCR (PISCR_PS | PISCR_PITF) |
| |
| /*----------------------------------------------------------------------- |
| * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
| *----------------------------------------------------------------------- |
| * Reset PLL lock status sticky bit, timer expired status bit and timer |
| * interrupt status bit |
| * |
| * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! |
| */ |
| #define CFG_PLPRCR ( (3-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST ) |
| |
| /*----------------------------------------------------------------------- |
| * SCCR - System Clock and reset Control Register 15-27 |
| *----------------------------------------------------------------------- |
| * Set clock output, timebase and RTC source and divider, |
| * power management and some other internal clocks |
| */ |
| #define SCCR_MASK SCCR_EBDF00 |
| #define CFG_SCCR ( SCCR_TBS | SCCR_EBDF00 | \ |
| SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
| SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
| SCCR_DFALCD00) |
| |
| /*----------------------------------------------------------------------- |
| * PCMCIA stuff |
| *----------------------------------------------------------------------- |
| * |
| */ |
| |
| /* KUP4K use both slots, SLOT_A as "primary". */ |
| #define CONFIG_PCMCIA_SLOT_A 1 |
| |
| #define CFG_PCMCIA_MEM_ADDR (0xE0000000) |
| #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) |
| #define CFG_PCMCIA_DMA_ADDR (0xE4000000) |
| #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) |
| #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) |
| #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) |
| #define CFG_PCMCIA_IO_ADDR (0xEC000000) |
| #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) |
| |
| #define PCMCIA_SOCKETS_NO 2 |
| #define PCMCIA_MEM_WIN_NO 8 |
| /*----------------------------------------------------------------------- |
| * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) |
| *----------------------------------------------------------------------- |
| */ |
| |
| #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
| |
| #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ |
| #define CONFIG_IDE_LED 1 /* LED for ide supported */ |
| #undef CONFIG_IDE_RESET /* reset for ide not supported */ |
| |
| #define CFG_IDE_MAXBUS 2 |
| #define CFG_IDE_MAXDEVICE 4 |
| |
| #define CFG_ATA_IDE0_OFFSET 0x0000 |
| |
| #define CFG_ATA_IDE1_OFFSET (4 * CFG_PCMCIA_MEM_SIZE) |
| |
| #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR |
| |
| /* Offset for data I/O */ |
| #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) |
| |
| /* Offset for normal register accesses */ |
| #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) |
| |
| /* Offset for alternate registers */ |
| #define CFG_ATA_ALT_OFFSET 0x0100 |
| |
| |
| /*----------------------------------------------------------------------- |
| * |
| *----------------------------------------------------------------------- |
| * |
| */ |
| #define CFG_DER 0 |
| |
| /* |
| * Init Memory Controller: |
| * |
| * BR0/1 and OR0/1 (FLASH) |
| */ |
| #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
| |
| /* used to re-map FLASH both when starting from SRAM or FLASH: |
| * restrict access enough to keep SRAM working (if any) |
| * but not too much to meddle with FLASH accesses |
| */ |
| #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
| #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ |
| |
| /* |
| * FLASH timing: |
| */ |
| #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ |
| OR_SCY_2_CLK | OR_EHTR | OR_BI) |
| |
| #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) |
| #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) |
| #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) |
| |
| |
| /* |
| * BR2/3 and OR2/3 (SDRAM) |
| * |
| */ |
| #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */ |
| #define SDRAM_BASE2_PRELIM 0x20000000 /* SDRAM bank #1 */ |
| #define SDRAM_BASE3_PRELIM 0x30000000 /* SDRAM bank #2 */ |
| #define SDRAM_MAX_SIZE 0x04000000 /* max 648 MB per bank */ |
| |
| /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
| #define CFG_OR_TIMING_SDRAM 0x00000A00 |
| |
| #if 0 |
| #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) |
| #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
| |
| #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) |
| #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
| |
| #define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) |
| #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
| #endif |
| |
| |
| /* |
| * Memory Periodic Timer Prescaler |
| * |
| * The Divider for PTA (refresh timer) configuration is based on an |
| * example SDRAM configuration (64 MBit, one bank). The adjustment to |
| * the number of chip selects (NCS) and the actually needed refresh |
| * rate is done by setting MPTPR. |
| * |
| * PTA is calculated from |
| * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) |
| * |
| * gclk CPU clock (not bus clock!) |
| * Trefresh Refresh cycle * 4 (four word bursts used) |
| * |
| * 4096 Rows from SDRAM example configuration |
| * 1000 factor s -> ms |
| * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration |
| * 4 Number of refresh cycles per period |
| * 64 Refresh cycle in ms per number of rows |
| * -------------------------------------------- |
| * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 |
| * |
| * 50 MHz => 50.000.000 / Divider = 98 |
| * 66 Mhz => 66.000.000 / Divider = 129 |
| * 80 Mhz => 80.000.000 / Divider = 156 |
| */ |
| #if defined(CONFIG_80MHz) |
| #define CFG_MAMR_PTA 156 |
| #elif defined(CONFIG_66MHz) |
| #define CFG_MAMR_PTA 129 |
| #else /* 50 MHz */ |
| #define CFG_MAMR_PTA 98 |
| #endif /*CONFIG_??MHz */ |
| |
| /* |
| * For 16 MBit, refresh rates could be 31.3 us |
| * (= 64 ms / 2K = 125 / quad bursts). |
| * For a simpler initialization, 15.6 us is used instead. |
| * |
| * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks |
| * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank |
| */ |
| #define CFG_MPTPR 0x400 |
| |
| /* |
| * MAMR settings for SDRAM |
| */ |
| #define CFG_MAMR 0x80802114 |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| |
| #if NOT_USED_FOR_NOW |
| #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */ |
| #if 0 |
| #define CONFIG_AUTOBOOT_PROMPT "Boote in %d Sekunden - stop mit \"2\"\n" |
| #endif |
| #define CONFIG_AUTOBOOT_STOP_STR "2" /* easy to stop for now */ |
| #endif /* NOT_USED_FOR_NOW */ |
| |
| #endif /* __CONFIG_H */ |