* Patch by Devin Crumb, 02 Apr 2003:

  Fix clock divider rounding problem in drivers/serial.c

* Patch by Ken Chou, 19 June 2003:
  Added support for A3000 SBC board (Artis Microsystems Inc.)

2 files changed, 327 insertions, 1 deletions

diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index 231f24724e..f242d1b2f1 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -59,7 +59,9 @@ typedef	struct	global_data {
 #if defined(CONFIG_EVB64260)
 	unsigned int	mirror_hack[16];
 #endif
-#if defined(CONFIG_SANDPOINT) || defined(CONFIG_MUSENKI)
+#if defined(CONFIG_SANDPOINT) ||  \
+    defined(CONFIG_MUSENKI)   ||  \
+    defined(CONFIG_A3000)
 	void *		console_addr;
 #endif
 #ifdef CONFIG_AMIGAONEG3SE
diff --git a/include/configs/A3000.h b/include/configs/A3000.h
new file mode 100644
index 0000000000..f933ea8de3
--- /dev/null
+++ b/include/configs/A3000.h
@@ -0,0 +1,324 @@
+/*
+ * (C) Copyright 2001, 2002, 2003
+ * 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
+ */
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Configuration settings for the A-3000 board (Artis Microsystems Inc.).
+ * http://artismicro.com
+ */
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC824X		1
+#define CONFIG_MPC8245		1
+#define CONFIG_A3000		1
+
+
+#define CONFIG_CONS_INDEX	1
+#define CONFIG_BAUDRATE		9600
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_BOOTDELAY	5
+
+#if 0
+#define CONFIG_COMMANDS		( CONFIG_CMD_DFL | \
+				  CFG_CMD_BEDBUG | \
+				  CFG_CMD_BSP    | \
+				  CFG_CMD_ELF    | \
+				  CFG_CMD_I2C 	 | \
+				  CFG_CMD_FLASH | \
+				  CFG_CMD_BEDBUG | \
+				  CFG_CMD_NET    | \
+				  CFG_CMD_PCI )
+#endif
+
+#define CONFIG_COMMANDS		( CONFIG_CMD_DFL )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) 	*/
+
+#include <cmd_confdefs.h>
+
+
+/*
+ * Miscellaneous configurable options
+ */
+#undef CFG_LONGHELP			/* undef to save memory		*/
+#define CFG_PROMPT	"A3000> "		/* Monitor Command Prompt	*/
+#define CFG_CBSIZE	256		/* Console I/O Buffer Size	*/
+
+/* Print Buffer Size
+ */
+#define CFG_PBSIZE	(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_MAXARGS	8		/* Max number of command args	*/
+#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/
+#define CFG_LOAD_ADDR	0x00400000	/* Default load address		*/
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_HARD_I2C		1		/* To enable I2C support	*/
+#undef  CONFIG_SOFT_I2C				/* I2C bit-banged		*/
+#define CFG_I2C_SPEED		400000		/* I2C speed and slave address	*/
+#define CFG_I2C_SLAVE		0x7F
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_PCI      		/* include pci support          */
+#undef CONFIG_PCI_PNP
+#define CONFIG_PCI_SCAN_SHOW    /* print pci devices @ startup  */
+
+#define CONFIG_NET_MULTI		/* Multi ethernet cards support */
+
+/* #define CONFIG_TULIP */
+/* #define CONFIG_EEPRO100 */
+#define CONFIG_NATSEMI  
+
+#define PCI_ENET0_IOADDR		0x80000000
+#define PCI_ENET0_MEMADDR		0x80000000
+#define PCI_ENET1_IOADDR		0x81000000
+#define PCI_ENET1_MEMADDR		0x81000000
+#define PCI_ENET2_IOADDR		0x82000000
+#define PCI_ENET2_MEMADDR		0x82000000
+
+
+/*-----------------------------------------------------------------------
+ * 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_BASE0_PRELIM      0xFF000000      /* FLASH bank on RCS#0 */
+#define CFG_FLASH_BASE1_PRELIM      0xFF000000      /* FLASH bank on RCS#1 */
+#define CFG_FLASH_BASE  			CFG_FLASH_BASE0_PRELIM
+#define CFG_FLASH_BANKS			{ CFG_FLASH_BASE0_PRELIM }
+
+/* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
+ * reset vector is actually located at FFB00100, but the 8245
+ * takes care of us.
+ */
+#define CFG_RESET_ADDRESS   0xFFF00100
+
+#define CFG_EUMB_ADDR	    0xFC000000
+
+#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()	*/
+
+#define CFG_MEMTEST_START   0x00004000	/* memtest works on		*/
+#define CFG_MEMTEST_END	    0x02000000	/* 0 ... 32 MB in DRAM		*/
+
+	/* Maximum amount of RAM.
+	 */
+#define CFG_MAX_RAM_SIZE    0x04000000	/* 0 .. 128 MB of (S)DRAM */
+
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+#undef CFG_RAMBOOT
+#else
+#define CFG_RAMBOOT
+#endif
+
+/*
+ * NS16550 Configuration
+ */
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+
+#define CFG_NS16550_REG_SIZE	1
+
+#define CFG_NS16550_CLK		get_bus_freq(0)
+
+#define CFG_NS16550_COM1	(CFG_EUMB_ADDR + 0x4500)
+#define CFG_NS16550_COM2	(CFG_EUMB_ADDR + 0x4600)
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area
+ */
+
+/* #define CFG_MONITOR_BASE        TEXT_BASE */
+/*#define CFG_GBL_DATA_SIZE    256*/
+#define CFG_GBL_DATA_SIZE      128
+#define CFG_INIT_RAM_ADDR     0x40000000
+#define CFG_INIT_RAM_END      0x1000
+#define CFG_GBL_DATA_OFFSET  (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ * For the detail description refer to the MPC8240 user's manual.
+ */
+
+#define CONFIG_SYS_CLK_FREQ  33333333	/* external frequency to pll */
+#define CFG_HZ		     1000
+
+	/* Bit-field values for MCCR1.
+	 */
+#define CFG_ROMNAL	    7
+#define CFG_ROMFAL	    11
+#define CFG_DBUS_SIZE       0x3
+
+	/* Bit-field values for MCCR2.
+	 */
+#define CFG_TSWAIT	    0x5		    /* Transaction Start Wait States timer */
+#define CFG_REFINT	    0x400	    /* Refresh interval	FIXME: was 0t430		*/
+
+	/* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
+	 */
+#define CFG_BSTOPRE	    121
+
+	/* Bit-field values for MCCR3.
+	 */
+#define CFG_REFREC	    8	    /* Refresh to activate interval */
+
+	/* Bit-field values for MCCR4.
+	 */
+#define CFG_PRETOACT	    3	    /* Precharge to activate interval FIXME: was 2	*/
+#define CFG_ACTTOPRE	    5	    /* Activate to Precharge interval FIXME: was 5	*/
+#define CFG_ACTORW	    3		/* FIXME was 2 */
+#define CFG_SDMODE_CAS_LAT  3	    /* SDMODE CAS latancy */
+#define CFG_SDMODE_WRAP	    0	    /* SDMODE wrap type	*/
+#define CFG_REGISTERD_TYPE_BUFFER 1
+#define CFG_EXTROM	    1
+#define CFG_REGDIMM	    0
+
+#define CFG_PGMAX           0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
+
+#define CFG_SDRAM_DSCD	0x20	/* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
+
+/* Memory bank settings.
+ * Only bits 20-29 are actually used from these vales to set the
+ * start/end addresses. The upper two bits will always be 0, and the lower
+ * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
+ * address. Refer to the MPC8240 book.
+ */
+
+#define CFG_BANK0_START	    0x00000000
+#define CFG_BANK0_END	    (CFG_MAX_RAM_SIZE - 1)
+#define CFG_BANK0_ENABLE    1
+#define CFG_BANK1_START	    0x3ff00000
+#define CFG_BANK1_END	    0x3fffffff
+#define CFG_BANK1_ENABLE    0
+#define CFG_BANK2_START	    0x3ff00000
+#define CFG_BANK2_END	    0x3fffffff
+#define CFG_BANK2_ENABLE    0
+#define CFG_BANK3_START	    0x3ff00000
+#define CFG_BANK3_END	    0x3fffffff
+#define CFG_BANK3_ENABLE    0
+#define CFG_BANK4_START	    0x3ff00000
+#define CFG_BANK4_END	    0x3fffffff
+#define CFG_BANK4_ENABLE    0
+#define CFG_BANK5_START	    0x3ff00000
+#define CFG_BANK5_END	    0x3fffffff
+#define CFG_BANK5_ENABLE    0
+#define CFG_BANK6_START	    0x3ff00000
+#define CFG_BANK6_END	    0x3fffffff
+#define CFG_BANK6_ENABLE    0
+#define CFG_BANK7_START	    0x3ff00000
+#define CFG_BANK7_END	    0x3fffffff
+#define CFG_BANK7_ENABLE    0
+
+#define CFG_ODCR	    0xff
+
+#define CFG_IBAT0L  (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT0U  (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT1L  (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT1U  (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
+
+#define CFG_IBAT2L  (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
+#define CFG_IBAT2U  (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_IBAT3L  (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
+#define CFG_IBAT3U  (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
+
+#define CFG_DBAT0L  CFG_IBAT0L
+#define CFG_DBAT0U  CFG_IBAT0U
+#define CFG_DBAT1L  CFG_IBAT1L
+#define CFG_DBAT1U  CFG_IBAT1U
+#define CFG_DBAT2L  CFG_IBAT2L
+#define CFG_DBAT2U  CFG_IBAT2U
+#define CFG_DBAT3L  CFG_IBAT3L
+#define CFG_DBAT3U  CFG_IBAT3U
+
+/*
+ * 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 flash banks		*/
+#define CFG_MAX_FLASH_SECT	128	/* Max number of sectors per flash	*/
+
+#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms) */
+
+
+	/* Warining: environment is not EMBEDDED in the U-Boot code.
+	 * It's stored in flash separately.
+	 */
+#define CFG_ENV_IS_IN_FLASH	    1
+#define CFG_ENV_ADDR		0xFFFE0000
+#define CFG_ENV_SIZE		0x00020000 /* Size of the Environment		*/
+#define CFG_ENV_SECT_SIZE	0x00020000 /* Size of the Environment Sector	*/
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	32
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/
+#endif
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM		0x02	/* Software reboot			*/
+
+
+
+#endif	/* __CONFIG_H */