| /****************************************************************************** |
| * A collection of structures, addresses, and values associated with |
| * the Motorola 850T AdderIIF board. Copied from the FADS stuff. |
| * Magnus Damm added defines for 8xxrom and extended bd_info. |
| * Helmut Buchsbaum added bitvalues for BCSRx |
| * |
| * Copyright (c) 1998 Dan Malek (dmalek@jlc.net) |
| ******************************************************************************* |
| * 2003-JUL: The AdderII is using the following physical memorymap: |
| ******************************************************************************* |
| * FA200000 -> FA20FFFF : IMAP internal in the cpu |
| * FE000000 -> FE400000 : flash connected to CS0, setup by 8xxrom |
| * 00000000 -> 00800000 : sdram setup by 8xxrom |
| *******************************************************************************/ |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| #include <mpc8xx_irq.h> |
| |
| #define CONFIG_MPC860 1 |
| #define CONFIG_MPC860T 1 |
| #define CONFIG_ADDERII 1 |
| |
| /* CPU Clock speed */ |
| #define MPC8XX_FACT 12 /* Multilpy by 12 */ |
| #define MPC8XX_XIN 4000000 /* 4MHz */ |
| #define MPC8XX_HZ ( MPC8XX_FACT * MPC8XX_XIN ) |
| |
| #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ |
| #define CONFIG_SDRAM_50MHZ 1 |
| |
| |
| /* Default Serial Console, baudrate */ |
| #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| #define CONFIG_BAUDRATE 38400 |
| #define CONFIG_LOADS_ECHO 1 |
| |
| /* FEC Ethernet controller configurations */ |
| #define CONFIG_FEC_ETH 1 |
| #define CONFIG_NET_MULTI 1 |
| #define FEC_ENET 1 |
| |
| /* Interrupt level assignments. |
| */ |
| #define FEC_INTERRUPT SIU_LEVEL3 /* FEC interrupt */ |
| |
| /* Older kernels need clock in MHz newer in Hz */ |
| #define CONFIG_CLOCKS_IN_MHZ 1 |
| |
| /* Monitor Functions */ |
| #define CONFIG_COMMANDS ( CFG_CMD_ENV | \ |
| CFG_CMD_FLASH | \ |
| CFG_CMD_MEMORY| \ |
| CFG_CMD_NET | \ |
| CFG_CMD_PING | \ |
| CFG_CMD_SDRAM ) |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| /* Configuration Settings */ |
| #define CFG_PROMPT "=>" /* Monitor Command Prompt */ |
| |
| #if ( CONFIG_COMMANDS & CFG_CMD_KGDB ) |
| #define CFG_CBSIZE 1024 /* Console I/P buffer size */ |
| #else |
| #define CFG_CBSIZE 256 |
| #endif |
| |
| #define CFG_PBSIZE ( CFG_CBSIZE + sizeof( CFG_PROMPT ) + 16 ) |
| /* Print buffer size */ |
| |
| #define CFG_MAXARGS 16 /* Max number of cmd args */ |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot args buffer size */ |
| |
| #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| |
| #define CFG_MEMTEST_START 0x00100000 /* Mem test works on */ |
| #define CFG_MEMTEST_END 0x00800000 /* 1 ... 8MB in SDRAM */ |
| |
| #define CFG_LOAD_ADDR 0x00100000 |
| #define CFG_HZ 1000 |
| |
| /****************************************************************************** |
| ** Low level configuration settings. |
| ** ( adderss mappings, register init values, etc. ) |
| ** You should know what you are doing if you make changes here. |
| ******************************************************************************/ |
| /* Start address for the final memory configuration set up by startup code |
| ** Please note that CFG_SDRAM_BASE must start at 0 |
| */ |
| |
| #define CFG_SDRAM_BASE 0x00000000 |
| |
| #define CFG_FLASH_BASE 0xFE000000 |
| #define CFG_FLASH_SIZE (( uint ) ( 4 * 1024 * 1024 )) /* 4MB */ |
| #define CFG_MONITOR_BASE CFG_FLASH_BASE |
| #define CFG_MONITOR_LEN ( 256 << 10 ) /* 256 KByte */ |
| #define CFG_MALLOC_LEN ( 384 << 10 ) /* 384 KByte SDRAM rsvd */ |
| /* malloc() usage */ |
| /** |
| ** 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 no of flash mem banks */ |
| #define CFG_MAX_FLASH_SECT 71 /* Max no of sec on 1 chip */ |
| |
| #define CFG_FLASH_ERASE_TOUT 120000 /* Erase flash timeout (ms) */ |
| #define CFG_FLASH_WRITE_TOUT 500 /* Write flash timeout (ms) */ |
| |
| /****************************************************************************** |
| ** U-BOOT Environment variables in Flash |
| ******************************************************************************/ |
| #define CFG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_OFFSET 0x00040000 |
| #define CFG_ENV_SIZE 0x10000 /* 64KBytes env space */ |
| #define CFG_ENV_SECT_SIZE 0x10000 |
| |
| /****************************************************************************** |
| ** 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 |
| |
| /****************************************************************************** |
| ** Internal memory mapped register |
| ******************************************************************************/ |
| #define CFG_IMMR 0xFA200000 |
| #define CFG_IMMR_SIZE (( uint) ( 62 * 1024 )) /* 64 KByte res */ |
| |
| /* 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 |
| #define CFG_GBL_DATA_OFFSET ( CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE ) |
| #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| |
| |
| /* SIU Module Configuration Register */ |
| #define CFG_SIUMCR ( SIUMCR_AEME | SIUMCR_MLRC01 | SIUMCR_DBGC10 ) |
| |
| /****************************************************************************** |
| ** SYPCR - System protection and control |
| ** SYPCR - can be written only once after reset |
| ******************************************************************************/ |
| #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 |
| |
| /* TBSCR - Time Base Status and Control Register */ |
| #define CFG_TBSCR ( TBSCR_REFA | TBSCR_REFB | TBSCR_TBE ) |
| |
| /* PISCR - Periodic Interrupt Status and Control */ |
| #define CFG_PISCR ( PISCR_PS | PISCR_PITF ) |
| |
| /* PLPRCR - PLL, Low-Power, and Reset Control Register */ |
| #define CFG_PLPRCR ((( MPC8XX_FACT - 1 ) << PLPRCR_MF_SHIFT ) | \ |
| PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST ) |
| |
| /* SCCR - System Clock and reset Control Register */ |
| #define SCCR_MASK SCCR_EBDF11 |
| #define CFG_SCCR ( SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ |
| SCCR_DFBRG00 | SCCR_DFNL000| SCCR_DFNH000 | \ |
| SCCR_DFLCD000 | SCCR_DFALCD00 ) |
| #define CFG_DER 0 |
| |
| /****************************************************************************** |
| ** Because of the way the 860 starts up and assigns CS0 the |
| ** entire address space, we have to set the memory controller |
| ** differently. Normally, you write the option register |
| ** first, and then enable the chip select by writing the |
| ** base register. For CS0, you must write the base register |
| ** first, followed by the option register. |
| ******************************************************************************/ |
| /** |
| ** Memory Controller Definitions |
| ** BR0/1/2... and OR0/1/2... |
| */ |
| /* For AdderII BR0 FLASH */ |
| |
| #define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */ |
| #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */ |
| |
| /* Flash Timings: ACS = 11, TRLX = 1, CSNT = 0, SCY = 7 */ |
| #define CFG_OR_TIMING_FLASH ( OR_ACS_DIV2 | OR_BI | OR_SCY_7_CLK | OR_TRLX ) |
| |
| #define CFG_OR0_REMAP ( CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH ) |
| |
| #define CFG_OR0_PRELIM CFG_OR0_REMAP |
| #define CFG_BR0_PRELIM (( CFG_FLASH_BASE & BR_BA_MSK ) | \ |
| BR_PS_16 | BR_V ) |
| |
| /* For AdderII BR1 SDRAM */ |
| |
| #define CFG_PRELIM_OR1_AM 0xFF800000 |
| #define CFG_OR1_REMAP ( CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_ACS_DIV2 ) |
| #define CFG_OR1_PRELIM ( CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_ACS_DIV2 ) |
| #define CFG_BR1_PRELIM ( CFG_SDRAM_BASE | BR_MS_UPMA | 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 */ |