Switch MPC86xADS and MPC885ADS boards to use cpuclk environment

variable to set clock
Patch by Yuli Barcohen, 05 Jun 2005

CHANGELOG

@@ -2,6 +2,10 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* Switch MPC86xADS and MPC885ADS boards to use cpuclk environment
+  variable to set clock
+  Patch by Yuli Barcohen, 05 Jun 2005
+
 * RPXlite configuration fixes
   - Use correct flash sector size
   - Use correct memory test end address

board/fads/fads.c

@@ -726,24 +726,23 @@ static void checkdboard(void)
 
 int checkboard (void)
 {
-	/* get revision from BCSR 3 */
+#if   defined(CONFIG_MPC86xADS)
+	puts ("Board: MPC86xADS\n");
+#elif defined(CONFIG_MPC885ADS)
+	puts ("Board: MPC885ADS\n");
+#else /* Only old ADS/FADS have got revision ID in BCSR3 */
 	uint r =  (((*((uint *) BCSR3) >> 23) & 1) << 3)
 		| (((*((uint *) BCSR3) >> 19) & 1) << 2)
 		| (((*((uint *) BCSR3) >> 16) & 3));
 
 	puts ("Board: ");
-
-#if defined(CONFIG_MPC86xADS)
-	puts ("MPC86xADS");
-#elif defined(CONFIG_MPC885ADS)
-	puts ("MPC885ADS");
-	r = 0; /* I've got NR (No Revision) board */
-#elif defined(CONFIG_FADS)
+#if defined(CONFIG_FADS)
 	puts ("FADS");
 	checkdboard ();
 #else
 	puts ("ADS");
 #endif
+
 	puts (" rev ");
 
 	switch (r) {
@@ -758,13 +757,9 @@ int checkboard (void)
 		puts ("A - warning, read errata \n");
 		break;
 	case 0x03:
-		puts ("B \n");
+		puts ("B\n");
 		break;
-#elif defined(CONFIG_MPC885ADS)
-	case 0x00:
-		puts ("NR\n");
-		break;
-#else  /* FADS and newer */
+#else  /* FADS */
 	case 0x00:
 		puts ("ENG\n");
 		break;
@@ -776,6 +771,7 @@ int checkboard (void)
 		printf ("unknown (0x%x)\n", r);
 		return -1;
 	}
+#endif /* CONFIG_MPC86xADS */
 
 	return 0;
 }
@@ -848,7 +844,7 @@ int pcmcia_init(void)
 	switch ((pcmp->pcmc_pipr >> 14) & 3)
 #endif
 	{
-	case 0x00 :
+	case 0x03 :
 		printf("5V");
 		v = 5;
 		break;
@@ -860,7 +856,7 @@ int pcmcia_init(void)
 		v = 5;
 #endif
 		break;
-	case 0x03 :
+	case 0x00 :
 		printf("5V, 3V and x.xV");
 #ifdef CONFIG_FADS
 		v = 3; /* User lower voltage if supported! */

board/fads/fads.h

@@ -55,18 +55,26 @@
 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
 #endif
 
-#undef	CONFIG_BOOTARGS
-#define CONFIG_BOOTCOMMAND							\
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_NFSBOOTCOMMAND							\
     "dhcp;"									\
-    "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} "		\
-    "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;"	\
+    "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath "			\
+    "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;"		\
     "bootm"
 
+#define CONFIG_BOOTCOMMAND							\
+    "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\
+    "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;"		\
+    "bootm fe080000"
+
+#undef CONFIG_BOOTARGS
+
 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
 #define CONFIG_BZIP2	 /* include support for bzip2 compressed images */
 
 /*
- * New MPC86xADS and Duet provide two Ethernet connectivity options:
+ * New MPC86xADS and MPC885ADS provide two Ethernet connectivity options:
  * 10Mbit/s on SCC and 100Mbit/s on FEC. FADS provides SCC Ethernet on
  * motherboard and FEC Ethernet on daughterboard. All new PQ1 chips have
  * got FEC so FEC is the default.
@@ -89,7 +97,9 @@
 
 #ifndef CONFIG_COMMANDS
 #define CONFIG_COMMANDS	(CONFIG_CMD_DFL   \
+			 | CFG_CMD_ASKENV \
 			 | CFG_CMD_DHCP   \
+			 | CFG_CMD_ECHO   \
 			 | CFG_CMD_IMMAP  \
 			 | CFG_CMD_JFFS2  \
 			 | CFG_CMD_MII    \
@@ -104,16 +114,18 @@
 /*
  * Miscellaneous configurable options
  */
-#undef	CFG_LONGHELP			/* undef to save memory		*/
-#define	CFG_PROMPT		"=>"	/* Monitor Command Prompt	*/
+#define	CFG_PROMPT		"=>"		/* Monitor Command Prompt	*/
+#define CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2	"> "
+#define	CFG_LONGHELP				/* #undef to save memory	*/
 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
-#define	CFG_CBSIZE	1024		/* Console I/O Buffer Size	*/
+#define	CFG_CBSIZE		1024		/* Console I/O Buffer Size	*/
 #else
-#define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/
+#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_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_LOAD_ADDR	 	0x00100000
 
@@ -126,6 +138,7 @@
  * (address mappings, register initial values, etc.)
  * You should know what you are doing if you make changes here.
  */
+
 /*-----------------------------------------------------------------------
  * Internal Memory Mapped Register
  */
@@ -148,6 +161,14 @@
 #define	CFG_SDRAM_BASE		0x00000000
 #if defined(CONFIG_MPC86xADS) || defined(CONFIG_MPC885ADS) /* New ADS or Duet */
 #define	CFG_SDRAM_SIZE		0x00800000      	/* 8 Mbyte */
+/*
+ * 2048	SDRAM rows
+ * 1000	factor s -> ms
+ * 64	PTP (pre-divider from MPTPR) from SDRAM example configuration
+ * 4	Number of refresh cycles per period
+ * 64	Refresh cycle in ms per number of rows
+ */
+#define CFG_PTA_PER_CLK		((2048 * 64 * 1000) / (4 * 64))
 #elif defined(CONFIG_FADS)				/* Old/new FADS */
 #define	CFG_SDRAM_SIZE		0x00400000		/* 4 Mbyte */
 #else							/* Old ADS */
@@ -223,9 +244,7 @@
  * 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
 
 /*-----------------------------------------------------------------------
  * I2C configuration
@@ -277,31 +296,21 @@
  * power management and some other internal clocks
  */
 #define SCCR_MASK	SCCR_EBDF11
-#define CFG_SCCR	(SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
+#define CFG_SCCR	SCCR_TBS
 
 /*-----------------------------------------------------------------------
- * PLPRCR - PLL, Low-Power, and Reset Control Register		14-22
+ * DER - Debug Enable Register
  *-----------------------------------------------------------------------
- * set the PLL, the low-power modes and the reset control
- */
-#ifndef CFG_PLPRCR
-#define CFG_PLPRCR	PLPRCR_TEXPS
-#endif
-
-/*-----------------------------------------------------------------------
- *
- *-----------------------------------------------------------------------
- *
+ * Set to zero to prevent the processor from entering debug mode
  */
 #define CFG_DER		 0
 
-/* Because of the way the 860 starts up and assigns CS0 the
-* entire address space, we have to set the memory controller
-* differently.  Normally, you write the option register
-* first, and then enable the chip select by writing the
-* base register.  For CS0, you must write the base register
-* first, followed by the option register.
-*/
+/* Because of the way the 860 starts up and assigns CS0 the entire
+ * address space, we have to set the memory controller differently.
+ * Normally, you write the option register first, and then enable the
+ * chip select by writing the base register.  For CS0, you must write
+ * the base register first, followed by the option register.
+ */
 
 /*
  * Init Memory Controller:
@@ -335,9 +344,6 @@
 
 /* values according to the manual */
 
-#define PCMCIA_MEM_ADDR		((uint)0xFF020000)
-#define PCMCIA_MEM_SIZE		((uint)(64 * 1024))
-
 #define	BCSR0			((uint) (BCSR_ADDR + 0x00))
 #define	BCSR1			((uint) (BCSR_ADDR + 0x04))
 #define	BCSR2			((uint) (BCSR_ADDR + 0x08))
@@ -396,59 +402,28 @@
 #define BCSR4_TFPLDL             ((uint)0x40000000)
 #define BCSR4_TPSQEL             ((uint)0x20000000)
 #define BCSR4_SIGNAL_LAMP        ((uint)0x10000000)
-#define BCSR4_FETH_EN            ((uint)0x08000000)
-#define BCSR4_FETHCFG0           ((uint)0x04000000)
-#define BCSR4_FETHFDE            ((uint)0x02000000)
-#define BCSR4_FETHCFG1           ((uint)0x00400000)
-#define BCSR4_FETHRST            ((uint)0x00200000)
-
-#ifdef CONFIG_MPC823
+#if defined(CONFIG_MPC823)
 #define BCSR4_USB_EN             ((uint)0x08000000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC860SAR
-#define BCSR4_UTOPIA_EN          ((uint)0x08000000)
-#endif /* CONFIG_MPC860SAR */
-#ifdef CONFIG_MPC860T
-#define BCSR4_FETH_EN            ((uint)0x08000000)
-#endif /* CONFIG_MPC860T */
-#ifdef CONFIG_MPC823
 #define BCSR4_USB_SPEED          ((uint)0x04000000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC860T
-#define BCSR4_FETHCFG0           ((uint)0x04000000)
-#endif /* CONFIG_MPC860T */
-#ifdef CONFIG_MPC823
 #define BCSR4_VCCO               ((uint)0x02000000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC860T
-#define BCSR4_FETHFDE            ((uint)0x02000000)
-#endif /* CONFIG_MPC860T */
-#ifdef CONFIG_MPC823
 #define BCSR4_VIDEO_ON           ((uint)0x00800000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC823
 #define BCSR4_VDO_EKT_CLK_EN     ((uint)0x00400000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC860T
-#define BCSR4_FETHCFG1           ((uint)0x00400000)
-#endif /* CONFIG_MPC860T */
-#ifdef CONFIG_MPC823
 #define BCSR4_VIDEO_RST          ((uint)0x00200000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC860T
-#define BCSR4_FETHRST            ((uint)0x00200000)
-#endif /* CONFIG_MPC860T */
-#ifdef CONFIG_MPC823
 #define BCSR4_MODEM_EN           ((uint)0x00100000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC823
 #define BCSR4_DATA_VOICE         ((uint)0x00080000)
-#endif /* CONFIG_MPC823 */
-#ifdef CONFIG_MPC850
+#elif defined(CONFIG_MPC850)
 #define BCSR4_DATA_VOICE         ((uint)0x00080000)
-#endif /* CONFIG_MPC850 */
+#elif defined(CONFIG_MPC860SAR)
+#define BCSR4_UTOPIA_EN          ((uint)0x08000000)
+#else /* MPC860T and other chips with FEC */
+#define BCSR4_FETH_EN            ((uint)0x08000000)
+#define BCSR4_FETHCFG0           ((uint)0x04000000)
+#define BCSR4_FETHFDE            ((uint)0x02000000)
+#define BCSR4_FETHCFG1           ((uint)0x00400000)
+#define BCSR4_FETHRST            ((uint)0x00200000)
+#endif
 
-/* BSCR5 exists on MPC86xADS and Duet ADS only */
+/* BSCR5 exists on MPC86xADS and MPC885ADS only */
 
 #define CFG_PHYDEV_ADDR		(BCSR_ADDR + 0x20000)
 
@@ -511,4 +486,4 @@
 #define CFG_ATA_ALT_OFFSET	0x0000
 
 #define CONFIG_DISK_SPINUP_TIME 1000000
-#undef CONFIG_DISK_SPINUP_TIME	/* usin´ Compact Flash */
+/* #undef CONFIG_DISK_SPINUP_TIME */	/* usin  Compact Flash */

include/configs/MPC86xADS.h

@@ -21,7 +21,7 @@
 #define CONFIG_MPC86xADS        1       /* new ADS */
 #define CONFIG_FADS		1       /* We are FADS compatible (more or less) */
 
-/* New MPC86xADS - pick one of these */
+/* CPU type - pick one of these */
 #define CONFIG_MPC866T 		1
 #undef CONFIG_MPC866P
 #undef CONFIG_MPC859T
@@ -33,7 +33,10 @@
 #undef	CONFIG_8xx_CONS_NONE
 #define CONFIG_BAUDRATE		38400
 
-#define CONFIG_8xx_OSCLK	10000000 /* 10MHz oscillator on EXTCLK  */
+#define CONFIG_8xx_OSCLK		10000000 /* 10MHz oscillator on EXTCLK  */
+#define CONFIG_8xx_CPUCLK_DEFAULT	50000000
+#define CFG_8xx_CPUCLK_MIN		40000000
+#define CFG_8xx_CPUCLK_MAX		80000000
 
 #define CONFIG_DRAM_50MHZ       1
 #define CONFIG_SDRAM_50MHZ      1

include/configs/MPC885ADS.h

@@ -1,44 +1,34 @@
 /*
  * A collection of structures, addresses, and values associated with
- * the Motorola DUET ADS board. Values common to all FADS family boards
+ * the Motorola MPC885ADS board. Values common to all FADS family boards
  * are in board/fads/fads.h
  *
- * Copyright (C) 2003 Arabella Software Ltd.
+ * Copyright (C) 2003-2004 Arabella Software Ltd.
  * Yuli Barcohen <yuli@arabellasw.com>
  */
 
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-/* Board type */
-#define CONFIG_MPC885ADS	        1	/* Duet (MPC87x/88x) ADS */
+#define CONFIG_MPC885ADS	1	/* MPC885ADS board */
 #define CONFIG_FADS		1	/* We are FADS compatible (more or less) */
 
-#define CONFIG_MPC885 		1	/* MPC885 CPU (Duet family) */
+#define CONFIG_MPC885		1	/* MPC885 CPU (Duet family) */
 
-#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
+#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1 */
 #undef	CONFIG_8xx_CONS_SMC2
 #undef	CONFIG_8xx_CONS_NONE
 #define CONFIG_BAUDRATE		38400
 
-#define CONFIG_8xx_OSCLK	10000000 /* 10 MHz oscillator on EXTCLK  */
-
-#define CFG_PLPRCR		((1 << PLPRCR_MFD_SHIFT) | (12 << PLPRCR_MFI_SHIFT) | PLPRCR_TEXPS)
+#define CONFIG_8xx_OSCLK		10000000 /* 10 MHz oscillator on EXTCLK  */
+#define CONFIG_8xx_CPUCLK_DEFAULT	50000000
+#define CFG_8xx_CPUCLK_MIN		40000000
+#define CFG_8xx_CPUCLK_MAX		133000000
 
 #define CONFIG_SDRAM_50MHZ      1
 
-#define CONFIG_COMMANDS	(CONFIG_CMD_DFL   \
-			 | CFG_CMD_DHCP   \
-			 | CFG_CMD_IMMAP  \
-			 | CFG_CMD_MII    \
-			 | CFG_CMD_PING   \
-			)
-
 #include "fads.h"
 
-#undef CFG_SCCR
-#define CFG_SCCR	(SCCR_TBS|SCCR_EBDF11)
-
 #define CFG_OR5_PRELIM		0xFFFF8110	/* 64Kbyte address space */
 #define CFG_BR5_PRELIM		(CFG_PHYDEV_ADDR | BR_PS_8 | BR_V)