Merge with /home/stefan/git/u-boot/acadia-nand

board/amcc/acadia/acadia.c

@@ -62,6 +62,10 @@ int board_early_init_f(void)
 
 	acadia_gpio_init();
 
+	/* Configure 405EZ for NAND usage */
+	mtsdr(sdrnand0, 0x80c00000);
+	mtsdr(sdrultra0, 0x8d110000);
+
 	/* USB Host core needs this bit set */
 	mfsdr(sdrultra1, reg);
 	mtsdr(sdrultra1, reg | SDR_ULTRA1_LEDNENABLE);
@@ -91,8 +95,11 @@ int misc_init_f(void)
 int checkboard(void)
 {
 	char *s = getenv("serial#");
+	u8 rev;
+
+	rev = in8(CFG_CPLD_BASE + 0);
+	printf("Board: Acadia - AMCC PPC405EZ Evaluation Board, Rev. %X", rev);
 
-	printf("Board: Acadia - AMCC PPC405EZ Evaluation Board");
 	if (s != NULL) {
 		puts(", serial# ");
 		puts(s);

cpu/ppc4xx/ndfc.c

@@ -33,12 +33,13 @@
 
 #if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY) && \
 	(defined(CONFIG_440EP) || defined(CONFIG_440GR) ||	     \
-	 defined(CONFIG_440EPX) || defined(CONFIG_440GRX))
+	 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) ||	     \
+	 defined(CONFIG_405EZ))
 
 #include <nand.h>
 #include <linux/mtd/ndfc.h>
 #include <asm/processor.h>
-#include <ppc440.h>
+#include <ppc4xx.h>
 
 static u8 hwctl = 0;
 
@@ -176,8 +177,7 @@ int board_nand_init(struct nand_chip *nand)
 	/*
 	 * Setup EBC (CS0 only right now)
 	 */
-	mtdcr(ebccfga, xbcfg);
-	mtdcr(ebccfgd, 0xb8400000);
+	mtebc(EBC0_CFG, 0xb8400000);
 
 	mtebc(pb0cr, CFG_EBC_PB0CR);
 	mtebc(pb0ap, CFG_EBC_PB0AP);

include/configs/acadia.h

@@ -34,7 +34,9 @@
 #define CONFIG_ACADIA		1		/* Board is Acadia	*/
 #define CONFIG_4xx		1		/* ... PPC4xx family	*/
 #define CONFIG_405EZ		1		/* Specifc 405EZ support*/
-#define CONFIG_SYS_CLK_FREQ	66666666	/* external freq to pll	*/
+/* Detect Acadia PLL input clock automatically via CPLD bit		*/
+#define CONFIG_SYS_CLK_FREQ    ((in8(CFG_CPLD_BASE + 0) == 0x0c) ? \
+				66666666 : 33333000)
 
 #define CONFIG_BOARD_EARLY_INIT_F 1		/* Call board_early_init_f */
 #define CONFIG_MISC_INIT_F	1		/* Call misc_init_f	*/
@@ -224,16 +226,6 @@
 #define CONFIG_USB_OHCI
 #define CONFIG_USB_STORAGE
 
-#if 0 /* test-only */
-#define TEST_ONLY_NAND
-#endif
-
-#ifdef TEST_ONLY_NAND
-#define CMD_NAND		CFG_CMD_NAND
-#else
-#define CMD_NAND		0
-#endif
-
 /* Partitions */
 #define CONFIG_MAC_PARTITION
 #define CONFIG_DOS_PARTITION
@@ -252,7 +244,7 @@
 			       CFG_CMD_I2C	|	\
 			       CFG_CMD_IRQ	|	\
 			       CFG_CMD_MII	|	\
-			       CMD_NAND		|	\
+			       CFG_CMD_NAND	|	\
 			       CFG_CMD_NET	|	\
 			       CFG_CMD_NFS	|	\
 			       CFG_CMD_PCI	|	\
@@ -300,7 +292,6 @@
  */
 #define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
 
-#ifdef TEST_ONLY_NAND
 /*-----------------------------------------------------------------------
  * NAND FLASH
  *----------------------------------------------------------------------*/
@@ -308,7 +299,6 @@
 #define NAND_MAX_CHIPS		1
 #define CFG_NAND_BASE		(CFG_NAND_ADDR + CFG_NAND_CS)
 #define CFG_NAND_SELECT_DEVICE  1	/* nand driver supports mutipl. chips	*/
-#endif
 
 /*-----------------------------------------------------------------------
  * Cache Configuration
@@ -322,7 +312,7 @@
 /*-----------------------------------------------------------------------
  * External Bus Controller (EBC) Setup
  *----------------------------------------------------------------------*/
-#define CFG_NAND_CS		0		/* NAND chip connected to CSx	*/
+#define CFG_NAND_CS		3		/* NAND chip connected to CSx	*/
 
 /* Memory Bank 0 (Flash) initialization						*/
 #define CFG_EBC_PB0AP		0x03337200
@@ -358,7 +348,8 @@
 /*-----------------------------------------------------------------------
  * Definitions for GPIO_0 setup (PPC405EZ specific)
  *
- * GPIO0[0-3]	- External Bus Controller CS_4 - CS_7 Outputs
+ * GPIO0[0-2]	- External Bus Controller CS_4 - CS_6 Outputs
+ * GPIO0[3]	- NAND FLASH Controller CE3 (NFCE3) Output
  * GPIO0[4]	- External Bus Controller Hold Input
  * GPIO0[5]	- External Bus Controller Priority Input
  * GPIO0[6]	- External Bus Controller HLDA Output
@@ -376,10 +367,10 @@
  */
 #define CFG_GPIO0_TCR		0xC0000000
 #define CFG_GPIO0_OSRL		0x50000000
-#define CFG_GPIO0_OSRH		0x00000055
+#define CFG_GPIO0_OSRH		0x02000055
 #define CFG_GPIO0_ISR1L		0x00000000
 #define CFG_GPIO0_ISR1H		0x00000055
-#define CFG_GPIO0_TSRL		0x00000000
+#define CFG_GPIO0_TSRL		0x02000000
 #define CFG_GPIO0_TSRH		0x00000055
 
 /*-----------------------------------------------------------------------

include/ppc405.h

@@ -547,8 +547,8 @@
 #define sdrcfga (SDR_DCR_BASE+0x0)	/* ADDR */
 #define sdrcfgd (SDR_DCR_BASE+0x1)	/* Data */
 
-#define mtsdr(reg, data) mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data)
-#define mfsdr(reg, data) mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd)
+#define mtsdr(reg, data)	do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); } while (0)
+#define mfsdr(reg, data)	do { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); } while (0)
 
 #define sdrnand0	0x4000
 #define sdrultra0	0x4040
@@ -593,8 +593,8 @@
 /*
  * Macro for accessing the indirect CPR register
  */
-#define mtcpr(reg, data)  mtdcr(cprcfga,reg);mtdcr(cprcfgd,data)
-#define mfcpr(reg, data)  mtdcr(cprcfga,reg);data = mfdcr(cprcfgd)
+#define mtcpr(reg, data)	do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,data); } while (0)
+#define mfcpr(reg, data)	do { mtdcr(cprcfga,reg);data = mfdcr(cprcfgd); } while (0)
 
 #define CPR_CLKUPD_ENPLLCH_EN  0x40000000     /* Enable CPR PLL Changes */
 #define CPR_CLKUPD_ENDVCH_EN   0x20000000     /* Enable CPR Sys. Div. Changes */