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Diffstat (limited to 'include/configs/MPC8266ADS.h')
| -rw-r--r-- | include/configs/MPC8266ADS.h | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/include/configs/MPC8266ADS.h b/include/configs/MPC8266ADS.h new file mode 100644 index 0000000..e72ce0a --- /dev/null +++ b/include/configs/MPC8266ADS.h @@ -0,0 +1,411 @@ +/* + * (C) Copyright 2001 + * Stuart Hughes <stuarth@lineo.com> + * This file is based on similar values for other boards found in other + * U-Boot config files, and some that I found in the mpc8260ads manual. + * + * Note: my board is a PILOT rev. + * Note: the mpc8260ads doesn't come with a proper Ethernet MAC address. + * + * 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 + */ + +/* + * Config header file for a MPC8260ADS Pilot 16M Ram Simm, 8Mbytes Flash Simm + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ +#define CONFIG_MPC8260ADS 1 /* ...on motorola ads board */ + +#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */ + +/* allow serial and ethaddr to be overwritten */ +#define CONFIG_ENV_OVERWRITE + +/* + * select serial console configuration + * + * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then + * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 + * for SCC). + * + * if CONFIG_CONS_NONE is defined, then the serial console routines must + * defined elsewhere (for example, on the cogent platform, there are serial + * ports on the motherboard which are used for the serial console - see + * cogent/cma101/serial.[ch]). + */ +#undef CONFIG_CONS_ON_SMC /* define if console on SMC */ +#define CONFIG_CONS_ON_SCC /* define if console on SCC */ +#undef CONFIG_CONS_NONE /* define if console on something else */ +#define CONFIG_CONS_INDEX 1 /* which serial channel for console */ + +/* + * select ethernet configuration + * + * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then + * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 + * for FCC) + * + * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be + * defined elsewhere (as for the console), or CFG_CMD_NET must be removed + * from CONFIG_COMMANDS to remove support for networking. + */ +#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ +#define CONFIG_ETHER_ON_FCC /* define if ether on FCC */ +#undef CONFIG_ETHER_NONE /* define if ether on something else */ +#define CONFIG_ETHER_INDEX 2 /* which channel for ether */ + +#if (CONFIG_ETHER_INDEX == 2) + +/* + * - Rx-CLK is CLK13 + * - Tx-CLK is CLK14 + * - Select bus for bd/buffers (see 28-13) + * - Half duplex + */ +# define CFG_CMXFCR_MASK (CMXFCR_FC2 | CMXFCR_RF2CS_MSK | CMXFCR_TF2CS_MSK) +# define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13 | CMXFCR_TF2CS_CLK14) +# define CFG_CPMFCR_RAMTYPE 0 +# define CFG_FCC_PSMR 0 + +#endif /* CONFIG_ETHER_INDEX */ + +/* other options */ +#define CONFIG_HARD_I2C 1 /* To enable I2C support */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F +#define CFG_I2C_EEPROM_ADDR_LEN 1 + +/*----------------------------------------------------------------------- + * Definitions for Serial Presence Detect EEPROM address + * (to get SDRAM settings) + */ +#define SPD_EEPROM_ADDRESS 0x50 + + +#define CONFIG_8260_CLKIN 66666666 /* in Hz */ +#define CONFIG_BAUDRATE 115200 + + +#define CONFIG_COMMANDS (CFG_CMD_ALL & ~( \ + CFG_CMD_BEDBUG | \ + CFG_CMD_BSP | \ + CFG_CMD_DATE | \ + CFG_CMD_DOC | \ + CFG_CMD_DTT | \ + CFG_CMD_EEPROM | \ + CFG_CMD_ELF | \ + CFG_CMD_FDC | \ + CFG_CMD_FDOS | \ + CFG_CMD_HWFLOW | \ + CFG_CMD_IDE | \ + CFG_CMD_JFFS2 | \ + CFG_CMD_KGDB | \ + CFG_CMD_MII | \ + CFG_CMD_PCI | \ + CFG_CMD_PCMCIA | \ + CFG_CMD_SCSI | \ + CFG_CMD_SPI | \ + CFG_CMD_VFD | \ + CFG_CMD_USB ) ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + + +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#define CONFIG_BOOTCOMMAND "bootm 100000" /* autoboot command */ +#define CONFIG_BOOTARGS "root=/dev/ram rw" + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ +#define CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ +#undef CONFIG_KGDB_NONE /* define if kgdb on something else */ +#define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */ +#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port at */ +#endif + +#undef CONFIG_WATCHDOG /* disable platform specific watchdog */ + +/* + * 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 ... 15 MB in DRAM */ + +#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ + /* for versions < 2.4.5-pre5 */ + +#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, 230400 } + +#define CFG_FLASH_BASE 0xff800000 +#define FLASH_BASE 0xff800000 +#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */ +#define CFG_MAX_FLASH_SECT 32 /* max num of sects on one chip */ +#define CFG_FLASH_SIZE 8 +#define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */ + +#undef CFG_FLASH_CHECKSUM + +/* this is stuff came out of the Motorola docs */ +/* Only change this if you also change the Hardware configuration Word */ +#define CFG_DEFAULT_IMMR 0x0F010000 + +/* +#define CFG_IMMR 0x04700000 +#define CFG_BCSR 0x04500000 +*/ + +/* Set IMMR to 0xF0000000 or above to boot Linux */ +#define CFG_IMMR 0xF0000000 +#define CFG_BCSR 0x04500000 + +/* Define CONFIG_VERY_BIG_RAM to allow use of SDRAMs larger than 256MBytes + */ +/*#define CONFIG_VERY_BIG_RAM 1*/ + +/* What should be the base address of SDRAM DIMM and how big is + * it (in Mbytes)? This will normally auto-configure via the SPD. +*/ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_SDRAM_SIZE 16 + +#define SDRAM_SPD_ADDR 0x50 + + +/*----------------------------------------------------------------------- + * BR2,BR3 - Base Register + * Ref: Section 10.3.1 on page 10-14 + * OR2,OR3 - Option Register + * Ref: Section 10.3.2 on page 10-16 + *----------------------------------------------------------------------- + */ + +/* Bank 2,3 - SDRAM DIMM + */ + +/* The BR2 is configured as follows: + * + * - Base address of 0x00000000 + * - 64 bit port size (60x bus only) + * - Data errors checking is disabled + * - Read and write access + * - SDRAM 60x bus + * - Access are handled by the memory controller according to MSEL + * - Not used for atomic operations + * - No data pipelining is done + * - Valid + */ +#define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\ + BRx_PS_64 |\ + BRx_MS_SDRAM_P |\ + BRx_V) + +#define CFG_BR3_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\ + BRx_PS_64 |\ + BRx_MS_SDRAM_P |\ + BRx_V) + +/* With a 64 MB DIMM, the OR2 is configured as follows: + * + * - 64 MB + * - 4 internal banks per device + * - Row start address bit is A8 with PSDMR[PBI] = 0 + * - 12 row address lines + * - Back-to-back page mode + * - Internal bank interleaving within save device enabled + */ +#if (CFG_SDRAM_SIZE == 64) +#define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM_SIZE) |\ + ORxS_BPD_4 |\ + ORxS_ROWST_PBI0_A8 |\ + ORxS_NUMR_12) +#elif (CFG_SDRAM_SIZE == 16) +#define CFG_OR2_PRELIM (0xFF000CA0) +#else +#error "INVALID SDRAM CONFIGURATION" +#endif + +/*----------------------------------------------------------------------- + * PSDMR - 60x Bus SDRAM Mode Register + * Ref: Section 10.3.3 on page 10-21 + *----------------------------------------------------------------------- + */ + +#if (CFG_SDRAM_SIZE == 64) +/* With a 64 MB DIMM, the PSDMR is configured as follows: + * + * - Bank Based Interleaving, + * - Refresh Enable, + * - Address Multiplexing where A5 is output on A14 pin + * (A6 on A15, and so on), + * - use address pins A14-A16 as bank select, + * - A9 is output on SDA10 during an ACTIVATE command, + * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, + * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command + * is 3 clocks, + * - earliest timing for READ/WRITE command after ACTIVATE command is + * 2 clocks, + * - earliest timing for PRECHARGE after last data was read is 1 clock, + * - earliest timing for PRECHARGE after last data was written is 1 clock, + * - CAS Latency is 2. + */ +#define CFG_PSDMR (PSDMR_RFEN |\ + PSDMR_SDAM_A14_IS_A5 |\ + PSDMR_BSMA_A14_A16 |\ + PSDMR_SDA10_PBI0_A9 |\ + PSDMR_RFRC_7_CLK |\ + PSDMR_PRETOACT_3W |\ + PSDMR_ACTTORW_2W |\ + PSDMR_LDOTOPRE_1C |\ + PSDMR_WRC_1C |\ + PSDMR_CL_2) +#elif (CFG_SDRAM_SIZE == 16) +/* With a 16 MB DIMM, the PSDMR is configured as follows: + * + * configuration parameters found in Motorola documentation + */ +#define CFG_PSDMR (0x016EB452) +#else +#error "INVALID SDRAM CONFIGURATION" +#endif + + +#define RS232EN_1 0x02000002 +#define RS232EN_2 0x01000001 +#define FETHIEN 0x08000008 +#define FETH_RST 0x04000004 + +#define CFG_INIT_RAM_ADDR CFG_IMMR +#define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */ +#define CFG_GBL_DATA_SIZE 128 /* 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 + + +/* 0x0EA28205 */ +/*#define CFG_HRCW_MASTER ( ( HRCW_BPS11 | HRCW_CIP ) |\ + ( HRCW_L2CPC10 | HRCW_DPPC10 | HRCW_ISB010 ) |\ + ( HRCW_BMS | HRCW_APPC10 ) |\ + ( HRCW_MODCK_H0101 ) \ + ) +*/ + +/* This value should actually be situated in the first 256 bytes of the FLASH + which on the standard MPC8266ADS board is at address 0xFF800000 + The linker script places it at 0xFFF00000 instead. + + It still works, however, as long as the ADS board jumper JP3 is set to + position 2-3 so the board is using the BCSR as Hardware Configuration Word + + If you want to use the one defined here instead, ust copy the first 256 bytes from + 0xfff00000 to 0xff800000 (for 8MB flash) + + - Rune + + */ +#define CFG_HRCW_MASTER 0x0cb23645 + +/* no slaves */ +#define CFG_HRCW_SLAVE1 0 +#define CFG_HRCW_SLAVE2 0 +#define CFG_HRCW_SLAVE3 0 +#define CFG_HRCW_SLAVE4 0 +#define CFG_HRCW_SLAVE5 0 +#define CFG_HRCW_SLAVE6 0 +#define CFG_HRCW_SLAVE7 0 + +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#define CFG_MONITOR_BASE TEXT_BASE +#if (CFG_MONITOR_BASE < CFG_FLASH_BASE) +# define CFG_RAMBOOT +#endif + +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +#ifndef CFG_RAMBOOT +# define CFG_ENV_IS_IN_FLASH 1 +# define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000) +# define CFG_ENV_SECT_SIZE 0x40000 +#else +# define CFG_ENV_IS_IN_NVRAM 1 +# define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000) +# define CFG_ENV_SIZE 0x200 +#endif /* CFG_RAMBOOT */ + + +#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + + +#define CFG_HID0_INIT 0 +#define CFG_HID0_FINAL (HID0_ICE | HID0_IFEM | HID0_ABE ) + +#define CFG_HID2 0 + +#define CFG_SYPCR 0xFFFFFFC3 +#define CFG_BCR 0x100C0000 +#define CFG_SIUMCR 0x0A200000 +#define CFG_SCCR 0x00000000 +#define CFG_BR0_PRELIM 0xFF801801 +#define CFG_OR0_PRELIM 0xFF800836 +#define CFG_BR1_PRELIM 0x04501801 +#define CFG_OR1_PRELIM 0xFFFF8010 + +#define CFG_RMR 0 +#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) +#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) +#define CFG_RCCR 0 +/*#define CFG_PSDMR 0x016EB452*/ +#define CFG_MPTPR 0x00001900 +#define CFG_PSRT 0x00000021 + +#define CFG_RESET_ADDRESS 0x04400000 + +#endif /* __CONFIG_H */ |