* Patch by Martin Krause, 17 Jul 2003:

  add delay to get I2C working with "imm" command and s3c24x0_i2c.c

* Patch by Richard Woodruff, 17 July 03:
  - Fixed bug in OMAP1510 baud rate divisor settings.

* Patch by Nye Liu, 16 July 2003:
  MPC860FADS fixes:
  - add MPC86xADS support (uses MPC86xADS.h)
  - add 866P/T core support (also MPC859T/MPC859DSL/MPC852T)
    o PLPRCR changes
    o BRG changes (EXTAL/XTAL restricted to 10MHz)
    o don't trust gclk() software measurement by default, depend on
      CONFIG_8xx_GCLK_FREQ
  - add DRAM SIMM not installed detection
  - use more "correct" SDRAM initialization sequence
  - allow different SDRAM sizes (8xxADS has 8M)
  - default DER is 0
  - remove unused MAMR defines from FADS860T.h (all done in fads.c)
  - rename MAMR/MBMR defines to be more consistent. Should eventually
    be merged into MxMR to better reflect the PowerQUICC datasheet.

* Patch by Yuli Barcohen, 16 Jul 2003:
  support new Motorola PQ2FADS-ZU evaluation board which replaced
  MPC8260ADS and MPC8266ADS

1 files changed, 40 insertions, 49 deletions

diff --git a/include/configs/FADS860T.h b/include/configs/FADS860T.h
index 2c9438988e..fd56010c1e 100644
--- a/include/configs/FADS860T.h
+++ b/include/configs/FADS860T.h
@@ -32,25 +32,33 @@
  */
 #include <mpc8xx_irq.h>
 
-#define CONFIG_MPC860		1
-#define CONFIG_MPC860T		1
-#define CONFIG_FADS		1
+/* board type */
+#define CONFIG_FADS		1       /* old/new FADS + new ADS */
+
+/* processor type */
+#define CONFIG_MPC860T		1       /* 860T */
 
 #define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
 #undef	CONFIG_8xx_CONS_SMC2
 #undef	CONFIG_8xx_CONS_NONE
-#define CONFIG_BAUDRATE		9600
+#define CONFIG_BAUDRATE		38400
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
 
-#if 0
-#define MPC8XX_FACT		10		/* Multiply by 10	*/
-#define MPC8XX_XIN		5000000			/* 5 MHz in	*/
-#else
-#define MPC8XX_FACT		12		/* Multiply by 12	*/
-#define MPC8XX_XIN		4000000			/* 4 MHz in	*/
-#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
+#if 0 /* old FADS */
+# define CFG_8XX_FACT		12		/* Multiply by 12 */
+# define CFG_8XX_XIN		4000000		/* 4 MHz in	*/
+#else /* new FADS */
+# define CFG_8XX_FACT		10		/* Multiply by 10 */
+# define CFG_8XX_XIN		5000000		/* 5 MHz in	*/
 #endif
 
+#define MPC8XX_HZ ((CFG_8XX_XIN) * (CFG_8XX_FACT))
+
+/* should ALWAYS define this, measure_gclk in speed.c is unreliable */
+/* in general, we always know this for FADS+new ADS anyway */
+#define CONFIG_8xx_GCLK_FREQ     MPC8XX_HZ
+
+/* most vanilla kernels do not like this, set to 0 if in doubt */
 #define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */
 
 #if 1
@@ -59,8 +67,12 @@
 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
 #endif
 
-#define CONFIG_BOOTCOMMAND	"bootm 2800100"	/* autoboot command */
-#define CONFIG_BOOTARGS		""
+#undef	CONFIG_BOOTARGS
+#define CONFIG_BOOTCOMMAND			    \
+    "bootp; "				    \
+    "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) "	    \
+    "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; "   \
+    "bootm"
 
 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
 
@@ -77,10 +89,10 @@
 /* choose SCC1 ethernet (10BASET on motherboard)
  * or FEC ethernet (10/100 on daughterboard)
  */
-#if 1
+#if 0
 #define	CONFIG_SCC1_ENET	1	/* use SCC1 ethernet */
 #undef	CONFIG_FEC_ENET			/* disable FEC ethernet  */
-#else
+#else   /* all 86x cores have FECs, if in doubt, use it */
 #undef	CONFIG_SCC1_ENET		/* disable SCC1 ethernet */
 #define	CONFIG_FEC_ENET		1	/* use FEC ethernet  */
 #define CFG_DISCOVER_PHY
@@ -107,7 +119,11 @@
 #define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/
 
 #define CFG_MEMTEST_START	0x0100000	/* memtest works on	*/
+#if (CFG_SDRAM_SIZE)
+#define CFG_MEMTEST_END		CFG_SDRAM_SIZE	/* 1 ... SDRAM_SIZE	*/
+#else
 #define CFG_MEMTEST_END		0x0400000	/* 1 ... 4 MB in DRAM	*/
+#endif
 
 #define CFG_LOAD_ADDR	 	0x00100000
 
@@ -120,7 +136,7 @@
  * (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
@@ -141,6 +157,11 @@
  * Please note that CFG_SDRAM_BASE _must_ start at 0
  */
 #define	CFG_SDRAM_BASE		0x00000000
+#ifdef CONFIG_FADS
+# define	CFG_SDRAM_SIZE	0x00400000      /* 4 meg */
+#else   /* !CONFIG_FADS */ /* old ADS */
+# define	CFG_SDRAM_SIZE	0x00000000      /* NO SDRAM */
+#endif
 
 #define CFG_FLASH_BASE		0x02800000
 
@@ -218,7 +239,7 @@
  *-----------------------------------------------------------------------
  * set the PLL, the low-power modes and the reset control (15-29)
  */
-#define CFG_PLPRCR	(((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) |	\
+#define CFG_PLPRCR	(((CFG_8XX_FACT-1) << PLPRCR_MF_SHIFT) |	\
 				PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 
 /*-----------------------------------------------------------------------
@@ -235,7 +256,7 @@
  *-----------------------------------------------------------------------
  *
  */
-#define CFG_DER		0
+#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
@@ -280,36 +301,6 @@
 #define CFG_OR1_PRELIM	0xffff8110		/* 64Kbyte address space */
 #define CFG_BR1_PRELIM	((BCSR_ADDR) | BR_V )
 
-
-/*
- * Memory Periodic Timer Prescaler
- */
-
-/* periodic timer for refresh */
-#define CFG_MAMR_PTA		97	/* start with divider for 100 MHz	*/
-
-/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit	*/
-#define CFG_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
-#define CFG_MPTPR_1BK_4K	MPTPR_PTP_DIV32		/* setting for 1 bank	*/
-
-/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit		*/
-#define CFG_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
-#define CFG_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/
-
-/*
- * MAMR settings for SDRAM
- */
-
-/* 8 column SDRAM */
-#define CFG_MAMR_8COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
-			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\
-			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
-/* 9 column SDRAM */
-#define CFG_MAMR_9COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
-			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
-			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
-
-#define CFG_MAMR		0x13a01114
 /*
  * Internal Definitions
  *
@@ -425,7 +416,7 @@
 #endif /* CONFIG_MPC850 */
 
 #define CONFIG_DRAM_50MHZ		1
-#define CONFIG_SDRAM_50MHZ
+#define CONFIG_SDRAM_50MHZ              1
 
 #ifdef CONFIG_MPC860T