| /* |
| * (C) Copyright 2000 |
| * 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_SPD823TS 1 /* ...on a SPD823TS board */ |
| |
| #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| #undef CONFIG_8xx_CONS_SMC2 |
| #undef CONFIG_8xx_CONS_NONE |
| #define CONFIG_BAUDRATE 115200 |
| #if 0 |
| #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ |
| #else |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| #endif |
| |
| #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| |
| #define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */ |
| |
| #define CONFIG_BOOTARGS "root=/dev/nfs rw " \ |
| "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \ |
| "nfsaddrs=10.0.0.99:10.0.0.2" |
| |
| #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_COMMANDS \ |
| ((CONFIG_CMD_DFL & ~(CFG_CMD_FLASH)) | CFG_CMD_IDE) /* no Flash, but IDE */ |
| #define CONFIG_MAC_PARTITION |
| #define CONFIG_DOS_PARTITION |
| |
| #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| /*----------------------------------------------------------------------*/ |
| #define CONFIG_ETHADDR 00:D0:93:00:01:CB |
| #define CONFIG_IPADDR 10.0.0.98 |
| #define CONFIG_SERVERIP 10.0.0.1 |
| #undef CONFIG_BOOTCOMMAND |
| #define CONFIG_BOOTCOMMAND "tftp 200000 uImage;bootm 200000" |
| /*----------------------------------------------------------------------*/ |
| |
| /* |
| * 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 0x00100000 /* memtest works on */ |
| #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */ |
| |
| #define CFG_LOAD_ADDR 0x00100000 /* default load address */ |
| |
| #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */ |
| |
| #define CFG_PC_IDE_RESET ((ushort)0x0008) /* PC 12 */ |
| |
| #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 /* was: 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 0xFF000000 |
| #ifdef DEBUG |
| #define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */ |
| #else |
| #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #endif |
| #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 0 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 0 /* max number of sectors on one chip */ |
| |
| #define CFG_FLASH_ERASE_TOUT 0 /* Timeout for Flash Erase (in ms) */ |
| #define CFG_FLASH_WRITE_TOUT 0 /* 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 0x0800 /* 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 |
| */ |
| #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 |
| */ |
| /* 0x00000040 */ |
| #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_GB5E) |
| |
| /*----------------------------------------------------------------------- |
| * TBSCR - Time Base Status and Control 11-26 |
| *----------------------------------------------------------------------- |
| * Clear Reference Interrupt Status, Timebase freezing enabled |
| */ |
| #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
| |
| /*----------------------------------------------------------------------- |
| * 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, set PLL multiplication factor ! |
| */ |
| /* 0x00b0c0c0 */ |
| #define CFG_PLPRCR \ |
| ( (11 << PLPRCR_MF_SHIFT) | \ |
| PLPRCR_SPLSS | PLPRCR_TEXPS | /*PLPRCR_TMIST|*/ \ |
| /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \ |
| PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \ |
| ) |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| /* 0x01800014 */ |
| #define CFG_SCCR (SCCR_COM00 | /*SCCR_TBS|*/ \ |
| SCCR_RTDIV | SCCR_RTSEL | \ |
| /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \ |
| SCCR_EBDF00 | SCCR_DFSYNC00 | \ |
| SCCR_DFBRG00 | SCCR_DFNL000 | \ |
| SCCR_DFNH000 | SCCR_DFLCD101 | \ |
| SCCR_DFALCD00) |
| |
| /*----------------------------------------------------------------------- |
| * RTCSC - Real-Time Clock Status and Control Register |
| *----------------------------------------------------------------------- |
| */ |
| /* 0x00C3 */ |
| #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
| |
| |
| /*----------------------------------------------------------------------- |
| * RCCR - RISC Controller Configuration Register |
| *----------------------------------------------------------------------- |
| */ |
| /* TIMEP=2 */ |
| #define CFG_RCCR 0x0200 |
| |
| /*----------------------------------------------------------------------- |
| * RMDS - RISC Microcode Development Support Control Register |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_RMDS 0 |
| |
| /*----------------------------------------------------------------------- |
| * SDSR - SDMA Status Register |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_SDSR ((u_char)0x83) |
| |
| /*----------------------------------------------------------------------- |
| * SDMR - SDMA Mask Register |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_SDMR ((u_char)0x00) |
| |
| /*----------------------------------------------------------------------- |
| * |
| * Interrupt Levels |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */ |
| |
| /*----------------------------------------------------------------------- |
| * PCMCIA stuff |
| *----------------------------------------------------------------------- |
| * |
| */ |
| #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 ) |
| |
| /*----------------------------------------------------------------------- |
| * IDE/ATA stuff |
| *----------------------------------------------------------------------- |
| */ |
| #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */ |
| #define CONFIG_IDE_LED 1 /* LED for ide supported */ |
| #define CONFIG_IDE_RESET 1 /* reset for ide supported */ |
| |
| #define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */ |
| #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */ |
| |
| #define CFG_ATA_BASE_ADDR 0xFE100000 |
| #define CFG_ATA_IDE0_OFFSET 0x0000 |
| #define CFG_ATA_IDE1_OFFSET 0x0C00 |
| |
| #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ |
| #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */ |
| #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */ |
| |
| /*----------------------------------------------------------------------- |
| * |
| *----------------------------------------------------------------------- |
| * |
| */ |
| #define CFG_DER 0 |
| |
| /* |
| * Init Memory Controller: |
| * |
| * BR0/1 and OR0/1 (FLASH) |
| */ |
| |
| #define FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank #0 */ |
| #define FLASH_BASE1_PRELIM 0xFF080000 /* FLASH bank #1 */ |
| |
| /* 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 |
| */ |
| /* EPROMs are 512kb */ |
| #define CFG_REMAP_OR_AM 0xFFF80000 /* OR addr mask */ |
| #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */ |
| |
| /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ |
| #define CFG_OR_TIMING_FLASH (/* OR_CSNT_SAM | */ OR_ACS_DIV4 | OR_BI | \ |
| OR_SCY_5_CLK | OR_EHTR) |
| |
| #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) |
| #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) |
| /* 16 bit, bank valid */ |
| #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) |
| |
| #define CFG_OR1_REMAP CFG_OR0_REMAP |
| #define CFG_OR1_PRELIM CFG_OR0_PRELIM |
| /* 16 bit, bank valid */ |
| #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) |
| |
| /* |
| * BR2-5 and OR2-5 (SRAM/SDRAM/PER8/SHARC) |
| * |
| */ |
| #define SRAM_BASE 0xFE200000 /* SRAM bank */ |
| #define SRAM_OR_AM 0xFFE00000 /* SRAM is 2 MB */ |
| |
| #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */ |
| #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */ |
| #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */ |
| |
| #define PER8_BASE 0xFE000000 /* PER8 bank */ |
| #define PER8_OR_AM 0xFFF00000 /* PER8 is 1 MB */ |
| |
| #define SHARC_BASE 0xFE400000 /* SHARC bank */ |
| #define SHARC_OR_AM 0xFFC00000 /* SHARC is 4 MB */ |
| |
| /* SRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
| |
| #define CFG_OR_TIMING_SRAM 0x00000D42 /* SRAM-Timing */ |
| #define CFG_OR2 (SRAM_OR_AM | CFG_OR_TIMING_SRAM ) |
| #define CFG_BR2 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V ) |
| |
| /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
| |
| #define CFG_OR_TIMING_SDRAM 0x00000A00 /* SDRAM-Timing */ |
| #define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) |
| #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V ) |
| |
| #define CFG_OR_TIMING_PER8 0x00000F32 /* PER8-Timing */ |
| #define CFG_OR4 (PER8_OR_AM | CFG_OR_TIMING_PER8 ) |
| #define CFG_BR4 ((PER8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V ) |
| |
| #define CFG_OR_TIMING_SHARC 0x00000700 /* SHARC-Timing */ |
| #define CFG_OR5 (SHARC_OR_AM | CFG_OR_TIMING_SHARC ) |
| #define CFG_BR5 ((SHARC_BASE & BR_BA_MSK) | BR_PS_32 | BR_MS_UPMA | BR_V ) |
| /* |
| * Memory Periodic Timer Prescaler |
| */ |
| |
| /* periodic timer for refresh */ |
| #define CFG_MBMR_PTB 204 |
| |
| /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ |
| #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
| #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ |
| |
| /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ |
| #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
| #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ |
| |
| /* |
| * MBMR settings for SDRAM |
| */ |
| |
| /* 8 column SDRAM */ |
| #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \ |
| MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \ |
| MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X) |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #endif /* __CONFIG_H */ |
