Initial revision

1 files changed, 302 insertions, 0 deletions

diff --git a/include/configs/FLAGADM.h b/include/configs/FLAGADM.h
new file mode 100644
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--- /dev/null
+++ b/include/configs/FLAGADM.h
@@ -0,0 +1,302 @@
+/*
+ * (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
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC823		1	/* This is a MPC823 CPU		*/
+#define CONFIG_FLAGADM		1	/* ...on a FLAGA DM	*/
+#define CONFIG_8xx_GCLK_FREQ 48000000	/*48MHz*/
+
+#undef	CONFIG_8xx_CONS_SMC1		/* Console is on SMC1		*/
+#define CONFIG_8xx_CONS_SMC2	1
+#undef	CONFIG_8xx_CONS_NONE
+
+#define CONFIG_BAUDRATE		115200	/* console baudrate = 115kbps	*/
+#define CONFIG_BOOTDELAY	3	/* autoboot after 5 seconds	*/
+
+#undef	CONFIG_CLOCKS_IN_MHZ
+
+#if 0
+#define CONFIG_BOOTARGS		"root=/dev/nfs rw ip=bootp"
+#define CONFIG_BOOTCOMMAND							\
+   "setenv bootargs root=/dev/ram ip=off panic=1;"     \
+   "bootm 40040000 400e0000"
+#else
+#define CONFIG_BOOTARGS		"root=/dev/nfs rw ip=bootp panic=1"
+#define CONFIG_BOOTCOMMAND	"bootp 0x400000; bootm 0x400000"
+#endif /* 0|1*/
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
+#undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/
+
+/*#define	CONFIG_WATCHDOG*/	/* watchdog enabled		*/
+#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
+
+#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_COMMANDS (CFG_CMD_BDI | CFG_CMD_IMI | CFG_CMD_CACHE | \
+		CFG_CMD_MEMORY | CFG_CMD_FLASH | CFG_CMD_LOADB | CFG_CMD_LOADS | \
+		CFG_CMD_ENV | CFG_CMD_REGINFO | CFG_CMD_IMMAP | CFG_CMD_NET)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP			/* undef to save memory		*/
+#define CFG_PROMPT	"EEG> "		/* 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	0x0100000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x0f00000	/* 1 ... 15 MB in DRAM	*/
+
+#define CFG_LOAD_ADDR		0x40040000	/* 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
+#define CFG_MONITOR_LEN		(128 << 10)	/* Reserve 128 kB for Monitor	*/
+#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	1	/* max number of memory banks		*/
+#define CFG_MAX_FLASH_SECT	71	/* max number of sectors on one chip	*/
+
+#define CFG_FLASH_ERASE_TOUT	8000	/* Timeout for Flash Erase (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
+
+#define CFG_ENV_IS_IN_FLASH	1
+/* This is a litlebit wasteful, but one sector is 128kb and we have to
+ * assigne a whole sector for the environment, so that we can safely
+ * erase and write it without disturbing the boot sector
+ */
+#define CFG_ENV_OFFSET		0x20000 /*   Offset   of Environment Sector	*/
+#define CFG_ENV_SIZE		0x20000 /* Total Size of Environment Sector	*/
+
+/*-----------------------------------------------------------------------
+ * 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
+
+/*-----------------------------------------------------------------------
+ * 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
+ */
+#ifdef CONFIG_WATCHDOG
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
+#else
+#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration				11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_PRE_SIUMCR (SIUMCR_DBGC11 | SIUMCR_MPRE | \
+							SIUMCR_MLRC01 | SIUMCR_GB5E)
+#define CFG_SIUMCR (CFG_PRE_SIUMCR | SIUMCR_DLK)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control				11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
+
+/*-----------------------------------------------------------------------
+ * RTCSC - Real-Time Clock Status and Control Register		11-27
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
+
+/*-----------------------------------------------------------------------
+ * 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 miltiplier of 0x00b i.e. operation clock is
+ * 4MHz * (0x00b+1) = 4MHz * 12 =  48MHz
+ */
+#define CFG_PLPRCR	(0x00b00000 | 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_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
+			 SCCR_DFALCD00)
+
+#define CFG_DER 0
+
+/*
+ * In the Flaga DM we have:
+ * Flash on BR0/OR0/CS0a at 0x40000000
+ * Display on BR1/OR1/CS1 at 0x20000000
+ * SDRAM on BR2/OR2/CS2 at 0x00000000
+ * Free BR3/OR3/CS3
+ * DSP1 on BR4/OR4/CS4 at 0x80000000
+ * DSP2 on BR5/OR5/CS5 at 0xa0000000
+ *
+ * For now we just configure the Flash and the SDRAM and leave the others
+ * untouched.
+*/
+
+#define CFG_FLASH_PROTECTION 0
+
+#define FLASH_BASE0		0x40000000	/* 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_OR_AM		0xff000000	/* OR addr mask */
+#define CFG_OR_ATM		0x00006000
+
+/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1	*/
+#define CFG_OR_TIMING_FLASH	(OR_CSNT_SAM  | OR_ACS_DIV4 | OR_BI | \
+				 OR_SCY_3_CLK | OR_TRLX | OR_EHTR )
+
+#define CFG_OR0_PRELIM	(CFG_OR_AM | CFG_OR_ATM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM	((FLASH_BASE0 & BR_BA_MSK) | BR_PS_16 | BR_V )
+
+/*
+ * BR2 and OR2 (SDRAM)
+ *
+ */
+#define SDRAM_BASE2			0x00000000	/* SDRAM bank #0	*/
+#define SDRAM_MAX_SIZE		0x04000000	/* max 64 MB per bank	*/
+
+/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
+#define CFG_OR_TIMING_SDRAM	( 0x00000800 )
+
+#define CFG_OR2_PRELIM	(CFG_OR_AM | CFG_OR_TIMING_SDRAM)
+#define CFG_BR2_PRELIM	((SDRAM_BASE2 & BR_BA_MSK) | BR_MS_UPMA | BR_V )
+
+#define CFG_BR2			CFG_BR2_PRELIM
+#define CFG_OR2			CFG_OR2_PRELIM
+
+/*
+ * MAMR settings for SDRAM
+ */
+#define CFG_MAMR_48_SDR (CFG_MAMR_PTA |	 MAMR_WLFA_1X | MAMR_RLFA_1X  \
+					| MAMR_G0CLA_A11)
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+/* periodic timer for refresh */
+#define CFG_MAMR_PTA	0x0F000000
+
+/*
+   * BR4 and OR4 (DSP1)
+   *
+   * We do not wan't preliminary setup of the DSP, anyway we need the
+   * UPMB setup correctly before we can access the DSP.
+   *
+*/
+#define DSP_BASE 0x80000000
+
+#define CFG_OR4 ( OR_AM_MSK | OR_CSNT_SAM | OR_BI | OR_G5LS)
+#define CFG_BR4 ( (DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_UPMB | 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 */