| /* |
| * (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_MPC850 1 /* This is a MPC850 CPU */ |
| #define CONFIG_ESTEEM192E 1 /* ...on a EST ESTEEM192E */ |
| |
| #define CONFIG_FLASH_16BIT 1 /* Rom 16 bit data bus */ |
| |
| #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| #undef CONFIG_8xx_CONS_SMC2 |
| #undef CONFIG_8xx_CONS_NONE |
| |
| #define MPC8XX_FACT 10 /* Multiply by 10 */ |
| #define MPC8XX_XIN 4915200 /* 4.915200 MHz in - ??? - XXX */ |
| #define CFG_PLPRCR_MF ((MPC8XX_FACT-1) << 20) |
| #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz */ |
| |
| #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */ |
| |
| #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| |
| #define CONFIG_BAUDRATE 9600 |
| #if 0 |
| #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ |
| #else |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| #endif |
| #define CONFIG_BOOTCOMMAND "bootm 40030000" /* autoboot command */ |
| |
| #define CONFIG_BOOTARGS "root=/dev/ram rw ramdisk=8192 " \ |
| "ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 " |
| /* |
| * Miscellaneous configurable options |
| */ |
| |
| #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 */ |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_SUBNETMASK |
| #define CONFIG_BOOTP_GATEWAY |
| #define CONFIG_BOOTP_HOSTNAME |
| #define CONFIG_BOOTP_BOOTPATH |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| |
| |
| /* |
| * Command line configuration. |
| */ |
| #include <config_cmd_default.h> |
| |
| |
| #define CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "BOOT: " /* Monitor Command Prompt */ |
| #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
| #define CFG_MAXARGS 8 /* 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 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 |
| #ifdef DEBUG |
| #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #else |
| #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 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 2 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 71 /* 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 CONFIG_ENV_IS_IN_FLASH 1 |
| #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ |
| #define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| */ |
| #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
| |
| /*----------------------------------------------------------------------- |
| * SUMCR - SIU Module Configuration 11-6 |
| *----------------------------------------------------------------------- |
| * PCMCIA config., multi-function pin tri-state |
| */ |
| #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */ |
| |
| /*----------------------------------------------------------------------- |
| * TBSCR - Time Base Status and Control 11-26 |
| *----------------------------------------------------------------------- |
| * Clear Reference Interrupt Status, Timebase freezing enabled |
| */ |
| #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE) |
| |
| /* (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 - leave PLL multiplication factor unchanged ! |
| */ |
| #define CFG_PLPRCR (CFG_PLPRCR_MF | 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_TBS | \ |
| SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
| SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
| SCCR_DFALCD00) |
| |
| /*----------------------------------------------------------------------- |
| * 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 ) |
| |
| #define CFG_PCMCIA_INTERRUPT SIU_LEVEL6 |
| |
| /*----------------------------------------------------------------------- |
| * |
| *----------------------------------------------------------------------- |
| * |
| */ |
| /*#define CFG_DER 0x2002000F*/ |
| #define CFG_DER 0 |
| /*#define CFG_DER 0x02002000 */ |
| |
| |
| /* |
| * Init Memory Controller: |
| * |
| * BR0/1 and OR0/1 (FLASH) |
| */ |
| |
| #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
| #define FLASH_BASE1_PRELIM 0x60000000 /* 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: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ |
| #define CFG_OR_TIMING_FLASH 0x00000160 |
| /*(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \ |
| OR_SCY_5_CLK | OR_EHTR) */ |
| |
| #define CFG_OR0_REMAP 0x80000160 /*(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 | 0x00000801 ) |
| |
| #define CFG_OR1_REMAP CFG_OR0_REMAP |
| #define CFG_OR1_PRELIM CFG_OR0_PRELIM |
| #define CFG_BR1_PRELIM ( FLASH_BASE1_PRELIM | 0x00000801 ) |
| |
| /* |
| * BR2/3 and OR2/3 (SDRAM) |
| * |
| */ |
| #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ |
| #define SDRAM_BASE3_PRELIM 0x04000000 /* SDRAM bank #1 */ |
| #define SDRAM_MAX_SIZE 0x02000000 /* max 32 MB per bank */ |
| |
| /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
| #define CFG_OR_TIMING_SDRAM 0x00000A00 |
| |
| #define CFG_OR2_PRELIM 0xFC000E00 |
| #define CFG_BR2_PRELIM (SDRAM_BASE2_PRELIM | 0x00000081) |
| |
| #define CFG_OR3_PRELIM CFG_OR2_PRELIM |
| #define CFG_BR3_PRELIM (SDRAM_BASE3_PRELIM | 0x00000081) |
| |
| |
| /* |
| * Memory Periodic Timer Prescaler |
| */ |
| |
| /* periodic timer for refresh */ |
| #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ |
| |
| /* 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 */ |
| |
| /* |
| * MAMR settings for SDRAM |
| */ |
| |
| /* 8 column SDRAM */ |
| #define CFG_MAMR_8COL 0x18803112 |
| #define CFG_MAMR_9COL 0x18803112 /* same as 8 column because its just easier to port with*/ |
| |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #endif /* __CONFIG_H */ |