Initial revision

1 files changed, 525 insertions, 0 deletions

diff --git a/include/configs/PM826.h b/include/configs/PM826.h
new file mode 100644
index 0000000..dc06f95
--- /dev/null
+++ b/include/configs/PM826.h
@@ -0,0 +1,525 @@
+/*
+ * (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 */