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authorwdenk <wdenk>2002-08-19 11:57:05 +0000
committerwdenk <wdenk>2002-08-19 11:57:05 +0000
commit0f8c9768ff83244c49857a0c79fe04e947f387ce (patch)
tree8846d6f7b51cc572bba3a495b33ad7150be3eaa6 /include/configs/PM826.h
parent5d65f3a55c678089d15555ff8e2e2db3ac62dfb7 (diff)
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+/*
+ * (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
+
+#undef CFG_RAMBOOT
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */
+#define CONFIG_PM826 1 /* ...on a PM8260 module */
+
+#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
+
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+
+#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
+
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTCOMMAND \
+ "bootp; " \
+ "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
+ "bootm"
+
+/* enable I2C and select the hardware/software driver */
+#undef CONFIG_HARD_I2C
+#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
+# define CFG_I2C_SPEED 50000
+# define CFG_I2C_SLAVE 0xFE
+/*
+ * Software (bit-bang) I2C driver configuration
+ */
+#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
+#define I2C_ACTIVE (iop->pdir |= 0x00010000)
+#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
+#define I2C_READ ((iop->pdat & 0x00010000) != 0)
+#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
+ else iop->pdat &= ~0x00010000
+#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
+ else iop->pdat &= ~0x00020000
+#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
+
+
+#define CONFIG_RTC_PCF8563
+#define CFG_I2C_RTC_ADDR 0x51
+
+/*
+ * 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]).
+ */
+#define CONFIG_CONS_ON_SMC /* define if console on SMC */
+#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
+#undef CONFIG_CONS_NONE /* define if console on something else*/
+#define CONFIG_CONS_INDEX 2 /* 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 1 /* which SCC/FCC channel for ethernet */
+
+#if (CONFIG_ETHER_INDEX == 1)
+/*
+ * - Rx-CLK is CLK11
+ * - Tx-CLK is CLK10
+ * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
+ * - Enable Full Duplex in FSMR
+ */
+# define CFG_CMXFCR_MASK (CMXFCR_FC1|CMXFCR_RF1CS_MSK|CMXFCR_TF1CS_MSK)
+# define CFG_CMXFCR_VALUE (CMXFCR_RF1CS_CLK11|CMXFCR_TF1CS_CLK10)
+# define CFG_CPMFCR_RAMTYPE 0
+# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
+
+#endif /* CONFIG_ETHER_INDEX */
+
+/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
+#define CONFIG_8260_CLKIN 64000000 /* in Hz */
+
+#if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
+#define CONFIG_BAUDRATE 230400
+#else
+#define CONFIG_BAUDRATE 9600
+#endif
+
+#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_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
+ CFG_CMD_BEDBUG | \
+ CFG_CMD_DATE | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_DOC)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Disk-On-Chip configuration
+ */
+
+#define CFG_DOC_SHORT_TIMEOUT
+#define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
+
+#define CFG_DOC_SUPPORT_2000
+#define CFG_DOC_SUPPORT_MILLENNIUM
+
+/*
+ * 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 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 }
+
+#define CFG_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
+
+/*
+ * 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 and Boot ROM mapping
+ */
+
+#define CFG_BOOTROM_BASE 0x60000000
+#define CFG_BOOTROM_SIZE 0x00080000
+#define CFG_FLASH0_BASE 0x40000000
+#define CFG_FLASH0_SIZE 0x02000000
+#define CFG_DOC_BASE 0x60000000
+#define CFG_DOC_SIZE 0x00100000
+
+
+/* Flash bank size (for preliminary settings)
+ */
+#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
+#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
+
+#if 0
+/* Start port with environment in flash; switch to EEPROM later */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (CFG_FLASH_BASE+0x40000)
+#define CFG_ENV_SIZE 0x40000
+#define CFG_ENV_SECT_SIZE 0x40000
+#else
+/* Final version: environment in EEPROM */
+#define CFG_ENV_IS_IN_EEPROM 1
+#define CFG_I2C_EEPROM_ADDR 0x58
+#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_EEPROM_PAGE_WRITE_BITS 4
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
+#define CFG_ENV_OFFSET 0
+#define CFG_ENV_SIZE 2048
+#endif
+
+/*-----------------------------------------------------------------------
+ * Hard Reset Configuration Words
+ *
+ * if you change bits in the HRCW, you must also change the CFG_*
+ * defines for the various registers affected by the HRCW e.g. changing
+ * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
+ */
+#if defined(CONFIG_BOOT_ROM)
+#define CFG_HRCW_MASTER (HRCW_BPS01 | HRCW_CIP | HRCW_ISB100 | HRCW_BMS)
+#else
+#define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS)
+#endif
+
+/* no slaves so just fill with zeros */
+#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
+
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR 0xF0000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#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
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ *
+ * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
+ * is mapped at SDRAM_BASE2_PRELIM.
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE CFG_FLASH0_BASE
+#define CFG_MONITOR_BASE TEXT_BASE
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
+
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+# define CFG_RAMBOOT
+#endif
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#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
+
+/*-----------------------------------------------------------------------
+ * HIDx - Hardware Implementation-dependent Registers 2-11
+ *-----------------------------------------------------------------------
+ * HID0 also contains cache control - initially enable both caches and
+ * invalidate contents, then the final state leaves only the instruction
+ * cache enabled. Note that Power-On and Hard reset invalidate the caches,
+ * but Soft reset does not.
+ *
+ * HID1 has only read-only information - nothing to set.
+ */
+#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
+ HID0_IFEM|HID0_ABE)
+#define CFG_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE)
+#define CFG_HID2 0
+
+/*-----------------------------------------------------------------------
+ * RMR - Reset Mode Register 5-5
+ *-----------------------------------------------------------------------
+ * turn on Checkstop Reset Enable
+ */
+#define CFG_RMR RMR_CSRE
+
+/*-----------------------------------------------------------------------
+ * BCR - Bus Configuration 4-25
+ *-----------------------------------------------------------------------
+ */
+
+#define BCR_APD01 0x10000000
+#define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration 4-31
+ *-----------------------------------------------------------------------
+ */
+#if 0
+#define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10|SIUMCR_CS10PC01)
+#else
+#define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
+#endif
+
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control 4-35
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
+ SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
+#else
+#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
+ SYPCR_SWRI|SYPCR_SWP)
+#endif /* CONFIG_WATCHDOG */
+
+/*-----------------------------------------------------------------------
+ * TMCNTSC - Time Counter Status and Control 4-40
+ *-----------------------------------------------------------------------
+ * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
+ * and enable Time Counter
+ */
+#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control 4-42
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
+ * Periodic timer
+ */
+#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock Control 9-8
+ *-----------------------------------------------------------------------
+ */
+#define CFG_SCCR (SCCR_DFBRG01)
+
+/*-----------------------------------------------------------------------
+ * RCCR - RISC Controller Configuration 13-7
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RCCR 0
+
+/*
+ * Init Memory Controller:
+ *
+ * Bank Bus Machine PortSz Device
+ * ---- --- ------- ------ ------
+ * 0 60x GPCM 64 bit FLASH
+ * 1 60x SDRAM 64 bit SDRAM
+ * 2 Local SDRAM 32 bit SDRAM
+ *
+ */
+
+ /* Initialize SDRAM on local bus
+ */
+#define CFG_INIT_LOCAL_SDRAM
+
+
+/* Minimum mask to separate preliminary
+ * address ranges for CS[0:2]
+ */
+#define CFG_MIN_AM_MASK 0xC0000000
+
+#define CFG_MPTPR 0x1F00
+
+#define CFG_MRS_OFFS 0x00000000
+
+
+#if defined(CONFIG_BOOT_ROM)
+/*
+ * Bank 0 - Boot ROM (8 bit wide)
+ */
+#define CFG_BR0_PRELIM ((CFG_BOOTROM_BASE & BRx_BA_MSK)|\
+ BRx_PS_8 |\
+ BRx_MS_GPCM_P |\
+ BRx_V)
+
+#define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_BOOTROM_SIZE) |\
+ ORxG_CSNT |\
+ ORxG_ACS_DIV1 |\
+ ORxG_SCY_3_CLK |\
+ ORxG_EHTR |\
+ ORxG_TRLX)
+
+/*
+ * Bank 1 - Flash (64 bit wide)
+ */
+#define CFG_BR1_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
+ BRx_PS_64 |\
+ BRx_MS_GPCM_P |\
+ BRx_V)
+
+#define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
+ ORxG_CSNT |\
+ ORxG_ACS_DIV1 |\
+ ORxG_SCY_3_CLK |\
+ ORxG_EHTR |\
+ ORxG_TRLX)
+
+#else /* ! CONFIG_BOOT_ROM */
+
+/*
+ * Bank 0 - Flash (64 bit wide)
+ */
+#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
+ BRx_PS_64 |\
+ BRx_MS_GPCM_P |\
+ BRx_V)
+
+#define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
+ ORxG_CSNT |\
+ ORxG_ACS_DIV1 |\
+ ORxG_SCY_3_CLK |\
+ ORxG_EHTR |\
+ ORxG_TRLX)
+
+/*
+ * Bank 1 - Disk-On-Chip
+ */
+#define CFG_BR1_PRELIM ((CFG_DOC_BASE & BRx_BA_MSK) |\
+ BRx_PS_8 |\
+ BRx_MS_GPCM_P |\
+ BRx_V)
+
+#define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_DOC_SIZE) |\
+ ORxG_CSNT |\
+ ORxG_ACS_DIV1 |\
+ ORxG_SCY_3_CLK |\
+ ORxG_EHTR |\
+ ORxG_TRLX)
+
+#endif /* CONFIG_BOOT_ROM */
+
+/* Bank 2 - SDRAM
+ */
+#define CFG_PSRT 0x0F
+#ifndef CFG_RAMBOOT
+#define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
+ BRx_PS_64 |\
+ BRx_MS_SDRAM_P |\
+ BRx_V)
+
+ /* SDRAM initialization values for 8-column chips
+ */
+#define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
+ ORxS_BPD_4 |\
+ ORxS_ROWST_PBI0_A9 |\
+ ORxS_NUMR_12)
+
+#define CFG_PSDMR_8COL (PSDMR_SDAM_A13_IS_A5 |\
+ PSDMR_BSMA_A14_A16 |\
+ PSDMR_SDA10_PBI0_A10 |\
+ PSDMR_RFRC_7_CLK |\
+ PSDMR_PRETOACT_2W |\
+ PSDMR_ACTTORW_1W |\
+ PSDMR_LDOTOPRE_1C |\
+ PSDMR_WRC_1C |\
+ PSDMR_CL_2)
+
+ /* SDRAM initialization values for 9-column chips
+ */
+#define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
+ ORxS_BPD_4 |\
+ ORxS_ROWST_PBI0_A7 |\
+ ORxS_NUMR_13)
+
+#define CFG_PSDMR_9COL (PSDMR_SDAM_A14_IS_A5 |\
+ PSDMR_BSMA_A13_A15 |\
+ PSDMR_SDA10_PBI0_A9 |\
+ PSDMR_RFRC_7_CLK |\
+ PSDMR_PRETOACT_2W |\
+ PSDMR_ACTTORW_1W |\
+ PSDMR_LDOTOPRE_1C |\
+ PSDMR_WRC_1C |\
+ PSDMR_CL_2)
+
+#define CFG_OR2_PRELIM CFG_OR2_9COL
+#define CFG_PSDMR CFG_PSDMR_9COL
+
+#endif /* CFG_RAMBOOT */
+
+#endif /* __CONFIG_H */