ppc4xx: HCU4/5. Use FLASH_CFI_LEGACY

Cleanup: Remove custom flash driver for 8 bit boot-eprom and replace it with
the FLASH_CFI_LEGACY et al. config options.
Signed-off-by: NNiklaus Giger <niklaus.giger@netstal.com>

board/netstal/hcu4/Makefile

@@ -23,7 +23,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(BOARD).a
 
 # NOBJS : Netstal common objects
-NOBJS	= fixed_sdram.o hcu_flash.o nm_bsp.o
+NOBJS	= fixed_sdram.o nm_bsp.o
 COBJS	= $(BOARD).o
 SOBJS	=
 

board/netstal/hcu4/hcu4.c

@@ -201,3 +201,19 @@ void ft_board_setup(void *blob, bd_t *bd)
 
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+/*
+ * Hardcoded flash setup:
+ * Flash 0 is a non-CFI AMD AM29F040 flash, 8 bit flash / 8 bit bus.
+ */
+ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
+{
+	if (banknum == 0) {	/* non-CFI boot flash */
+		info->portwidth = 1;
+		info->chipwidth = 1;
+		info->interface = FLASH_CFI_X8;
+		return 1;
+	} else
+		return 0;
+}
+

board/netstal/hcu5/Makefile

@@ -24,7 +24,7 @@ LIB	= $(obj)lib$(BOARD).a
 
 
 # NOBJS : Netstal common objects
-NOBJS	= hcu_flash.o nm_bsp.o
+NOBJS	= nm_bsp.o
 COBJS	= $(BOARD).o sdram.o
 SOBJS	= init.o
 

board/netstal/hcu5/hcu5.c

@@ -499,3 +499,19 @@ void ft_board_setup(void *blob, bd_t *bd)
 
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+/*
+ * Hardcoded flash setup:
+ * Flash 0 is a non-CFI AMD AM29F040 flash, 8 bit flash / 8 bit bus.
+ */
+ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
+{
+	if (banknum == 0) {	/* non-CFI boot flash */
+		info->portwidth = 1;
+		info->chipwidth = 1;
+		info->interface = FLASH_CFI_X8;
+		return 1;
+	} else
+		return 0;
+}
+

include/configs/hcu4.h

 /*
- *(C) Copyright 2005-2007 Netstal Maschinen AG
+ *(C) Copyright 2005-2008 Netstal Maschinen AG
  *    Niklaus Giger (Niklaus.Giger@netstal.com)
  *
  * See file CREDITS for list of people who contributed to this
@@ -103,13 +103,19 @@
  * Flash
  *----------------------------------------------------------------------*/
 
-#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
-#define CFG_MAX_FLASH_SECT	8	/* max number of sectors on one chip */
+/* Use common CFI driver */
+#define CFG_FLASH_CFI
+#define CFG_FLASH_CFI_DRIVER
+/* board provides its own flash_init code */
+#define CONFIG_FLASH_CFI_LEGACY		1
+#define CFG_FLASH_CFI_WIDTH		FLASH_CFI_8BIT
+#define CFG_FLASH_LEGACY_512Kx8 1
 
-#define CFG_FLASH_EMPTY_INFO	/* print 'E' for empty sector on flinfo */
+/* print 'E' for empty sector on flinfo */
+#define CFG_FLASH_EMPTY_INFO
 
-#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
-#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
+#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#define CFG_MAX_FLASH_SECT	8	/* max number of sectors on one chip */
 
 /*-----------------------------------------------------------------------
  * Environment

include/configs/hcu5.h

@@ -349,12 +349,20 @@
  * Flash
  *----------------------------------------------------------------------*/
 
+/* Use common CFI driver */
+#define CFG_FLASH_CFI
+#define CFG_FLASH_CFI_DRIVER
+/* board provides its own flash_init code */
+#define CONFIG_FLASH_CFI_LEGACY		1
+#define CFG_FLASH_CFI_WIDTH		FLASH_CFI_8BIT
+#define CFG_FLASH_LEGACY_512Kx8 1
+
+/* print 'E' for empty sector on flinfo */
+#define CFG_FLASH_EMPTY_INFO
+
 #define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
 #define CFG_MAX_FLASH_SECT	8	/* max number of sectors on one chip */
 
-#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms) */
-#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms) */
-
 /*-----------------------------------------------------------------------
  * External Bus Controller (EBC) Setup
  *----------------------------------------------------------------------*/