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Diffstat (limited to 'include/configs/FLAGADM.h')
| -rw-r--r-- | include/configs/FLAGADM.h | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/include/configs/FLAGADM.h b/include/configs/FLAGADM.h new file mode 100644 index 0000000..8babee1 --- /dev/null +++ b/include/configs/FLAGADM.h @@ -0,0 +1,302 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_MPC823 1 /* This is a MPC823 CPU */ +#define CONFIG_FLAGADM 1 /* ...on a FLAGA DM */ +#define CONFIG_8xx_GCLK_FREQ 48000000 /*48MHz*/ + +#undef CONFIG_8xx_CONS_SMC1 /* Console is on SMC1 */ +#define CONFIG_8xx_CONS_SMC2 1 +#undef CONFIG_8xx_CONS_NONE + +#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ +#define CONFIG_BOOTDELAY 3 /* autoboot after 5 seconds */ + +#undef CONFIG_CLOCKS_IN_MHZ + +#if 0 +#define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp" +#define CONFIG_BOOTCOMMAND \ + "setenv bootargs root=/dev/ram ip=off panic=1;" \ + "bootm 40040000 400e0000" +#else +#define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp panic=1" +#define CONFIG_BOOTCOMMAND "bootp 0x400000; bootm 0x400000" +#endif /* 0|1*/ + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ + +/*#define CONFIG_WATCHDOG*/ /* watchdog enabled */ +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) + +#define CONFIG_COMMANDS (CFG_CMD_BDI | CFG_CMD_IMI | CFG_CMD_CACHE | \ + CFG_CMD_MEMORY | CFG_CMD_FLASH | CFG_CMD_LOADB | CFG_CMD_LOADS | \ + CFG_CMD_ENV | CFG_CMD_REGINFO | CFG_CMD_IMMAP | CFG_CMD_NET) + +/* 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 "EEG> " /* 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 0x0100000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0f00000 /* 1 ... 15 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x40040000 /* 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 0xFF000000 + +/*----------------------------------------------------------------------- + * 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 (128 << 10) /* Reserve 128 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 71 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 8000 /* 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 +/* This is a litlebit wasteful, but one sector is 128kb and we have to + * assigne a whole sector for the environment, so that we can safely + * erase and write it without disturbing the boot sector + */ +#define CFG_ENV_OFFSET 0x20000 /* Offset of Environment Sector */ +#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ + +/*----------------------------------------------------------------------- + * 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 + */ +#ifdef CONFIG_WATCHDOG +#define CFG_SYPCR (SYPCR_SWTC | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP) +#else +#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF) +#endif + +/*----------------------------------------------------------------------- + * SIUMCR - SIU Module Configuration 11-6 + *----------------------------------------------------------------------- + * PCMCIA config., multi-function pin tri-state + */ +#define CFG_PRE_SIUMCR (SIUMCR_DBGC11 | SIUMCR_MPRE | \ + SIUMCR_MLRC01 | SIUMCR_GB5E) +#define CFG_SIUMCR (CFG_PRE_SIUMCR | SIUMCR_DLK) + +/*----------------------------------------------------------------------- + * 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 miltiplier of 0x00b i.e. operation clock is + * 4MHz * (0x00b+1) = 4MHz * 12 = 48MHz + */ +#define CFG_PLPRCR (0x00b00000 | PLPRCR_SPLSS | 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_EBDF11 +#define CFG_SCCR ( SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ + SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ + SCCR_DFALCD00) + +#define CFG_DER 0 + +/* + * In the Flaga DM we have: + * Flash on BR0/OR0/CS0a at 0x40000000 + * Display on BR1/OR1/CS1 at 0x20000000 + * SDRAM on BR2/OR2/CS2 at 0x00000000 + * Free BR3/OR3/CS3 + * DSP1 on BR4/OR4/CS4 at 0x80000000 + * DSP2 on BR5/OR5/CS5 at 0xa0000000 + * + * For now we just configure the Flash and the SDRAM and leave the others + * untouched. +*/ + +#define CFG_FLASH_PROTECTION 0 + +#define FLASH_BASE0 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_OR_AM 0xff000000 /* OR addr mask */ +#define CFG_OR_ATM 0x00006000 + +/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */ +#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | \ + OR_SCY_3_CLK | OR_TRLX | OR_EHTR ) + +#define CFG_OR0_PRELIM (CFG_OR_AM | CFG_OR_ATM | CFG_OR_TIMING_FLASH) +#define CFG_BR0_PRELIM ((FLASH_BASE0 & BR_BA_MSK) | BR_PS_16 | BR_V ) + +/* + * BR2 and OR2 (SDRAM) + * + */ +#define SDRAM_BASE2 0x00000000 /* SDRAM bank #0 */ +#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ + +/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ +#define CFG_OR_TIMING_SDRAM ( 0x00000800 ) + +#define CFG_OR2_PRELIM (CFG_OR_AM | CFG_OR_TIMING_SDRAM) +#define CFG_BR2_PRELIM ((SDRAM_BASE2 & BR_BA_MSK) | BR_MS_UPMA | BR_V ) + +#define CFG_BR2 CFG_BR2_PRELIM +#define CFG_OR2 CFG_OR2_PRELIM + +/* + * MAMR settings for SDRAM + */ +#define CFG_MAMR_48_SDR (CFG_MAMR_PTA | MAMR_WLFA_1X | MAMR_RLFA_1X \ + | MAMR_G0CLA_A11) + +/* + * Memory Periodic Timer Prescaler + */ + +/* periodic timer for refresh */ +#define CFG_MAMR_PTA 0x0F000000 + +/* + * BR4 and OR4 (DSP1) + * + * We do not wan't preliminary setup of the DSP, anyway we need the + * UPMB setup correctly before we can access the DSP. + * +*/ +#define DSP_BASE 0x80000000 + +#define CFG_OR4 ( OR_AM_MSK | OR_CSNT_SAM | OR_BI | OR_G5LS) +#define CFG_BR4 ( (DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_UPMB | BR_V ) + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#endif /* __CONFIG_H */ |