ppc4xx: Bamboo: Use current NAND driver and *not* the legacy driver

Signed-off-by: Stefan Roese <sr@denx.de>

board/amcc/bamboo/bamboo.c

@@ -277,87 +277,6 @@ int board_early_init_f(void)
 	return 0;
 }
 
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-/*----------------------------------------------------------------------------+
-  | nand_reset.
-  |   Reset Nand flash
-  |   This routine will abort previous cmd
-  +----------------------------------------------------------------------------*/
-int nand_reset(ulong addr)
-{
-	int wait=0, stat=0;
-
-	out8(addr + NAND_CMD_REG, NAND0_CMD_RESET);
-	out8(addr + NAND_CMD_REG, NAND0_CMD_READ_STATUS);
-
-	while ((stat != 0xc0) && (wait != 0xffff)) {
-		stat = in8(addr + NAND_DATA_REG);
-		wait++;
-	}
-
-	if (stat == 0xc0) {
-		return 0;
-	} else {
-		printf("NAND Reset timeout.\n");
-		return -1;
-	}
-}
-
-void board_nand_set_device(int cs, ulong addr)
-{
-	/* Set NandFlash Core Configuration Register */
-	out32(addr + NAND_CCR_REG, 0x00001000 | (cs << 24));
-
-	switch (cs) {
-	case 1:
-		/* -------
-		 *  NAND0
-		 * -------
-		 * K9F1208U0A : 4 addr cyc, 1 col + 3 Row
-		 * Set NDF1CR - Enable External CS1 in NAND FLASH controller
-		 */
-		out32(addr + NAND_CR1_REG, 0x80002222);
-		break;
-
-	case 2:
-		/* -------
-		 *  NAND1
-		 * -------
-		 * K9K2G0B : 5 addr cyc, 2 col + 3 Row
-		 * Set NDF2CR : Enable External CS2 in NAND FLASH controller
-		 */
-		out32(addr + NAND_CR2_REG, 0xC0007777);
-		break;
-	}
-
-	/* Perform Reset Command */
-	if (nand_reset(addr) != 0)
-		return;
-}
-
-void nand_init(void)
-{
-	board_nand_set_device(1, CFG_NAND_ADDR);
-
-	nand_probe(CFG_NAND_ADDR);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-
-#if 0 /* NAND1 not supported yet */
-	board_nand_set_device(2, CFG_NAND2_ADDR);
-
-	nand_probe(CFG_NAND2_ADDR);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-#endif
-}
-#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */
-
 int checkboard(void)
 {
 	char *s = getenv("serial#");

board/amcc/bamboo/u-boot.lds

@@ -68,19 +68,7 @@ SECTIONS
 
     cpu/ppc4xx/start.o	(.text)
     board/amcc/bamboo/init.o	(.text)
-    cpu/ppc4xx/kgdb.o	(.text)
-    cpu/ppc4xx/traps.o	(.text)
-    cpu/ppc4xx/interrupts.o	(.text)
-    cpu/ppc4xx/serial.o	(.text)
-    cpu/ppc4xx/cpu_init.o	(.text)
-    cpu/ppc4xx/speed.o	(.text)
-    common/dlmalloc.o	(.text)
-    lib_generic/crc32.o		(.text)
-    lib_ppc/extable.o	(.text)
-    lib_generic/zlib.o		(.text)
-
-/*    . = env_offset;*/
-/*    common/environment.o(.text)*/
+    board/amcc/bamboo/bamboo.o	(.text)
 
     *(.text)
     *(.fixup)

include/configs/bamboo.h

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2005-2006
+ * (C) Copyright 2005-2007
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -43,7 +43,6 @@
  * 2nd ethernet port you have to "undef" the following define.
  */
 #define CONFIG_BAMBOO_NAND      1       /* enable nand flash support    */
-#define CFG_NAND_LEGACY
 
 /*-----------------------------------------------------------------------
  * Base addresses -- Note these are effective addresses where the
@@ -143,65 +142,13 @@
 #endif /* CFG_ENV_IS_IN_FLASH */
 
 /*-----------------------------------------------------------------------
- * NAND-FLASH related
+ * NAND FLASH
  *----------------------------------------------------------------------*/
-#define NAND_CMD_REG   (0x00) /* NandFlash Command Register */
-#define NAND_ADDR_REG  (0x04) /* NandFlash Address Register */
-#define NAND_DATA_REG  (0x08) /* NandFlash Data Register */
-#define NAND_ECC0_REG  (0x10) /* NandFlash ECC Register0 */
-#define NAND_ECC1_REG  (0x14) /* NandFlash ECC Register1 */
-#define NAND_ECC2_REG  (0x18) /* NandFlash ECC Register2 */
-#define NAND_ECC3_REG  (0x1C) /* NandFlash ECC Register3 */
-#define NAND_ECC4_REG  (0x20) /* NandFlash ECC Register4 */
-#define NAND_ECC5_REG  (0x24) /* NandFlash ECC Register5 */
-#define NAND_ECC6_REG  (0x28) /* NandFlash ECC Register6 */
-#define NAND_ECC7_REG  (0x2C) /* NandFlash ECC Register7 */
-#define NAND_CR0_REG   (0x30) /* NandFlash Device Bank0 Config Register */
-#define NAND_CR1_REG   (0x34) /* NandFlash Device Bank1 Config Register */
-#define NAND_CR2_REG   (0x38) /* NandFlash Device Bank2 Config Register */
-#define NAND_CR3_REG   (0x3C) /* NandFlash Device Bank3 Config Register */
-#define NAND_CCR_REG   (0x40) /* NandFlash Core Configuration Register */
-#define NAND_STAT_REG  (0x44) /* NandFlash Device Status Register */
-#define NAND_HWCTL_REG (0x48) /* NandFlash Direct Hwd Control Register */
-#define NAND_REVID_REG (0x50) /* NandFlash Core Revision Id Register */
-
-/* Nand Flash K9F1208U0A Command Set => Nand Flash 0 */
-#define NAND0_CMD_READ1_HALF1     0x00     /* Starting addr for 1rst half of registers */
-#define NAND0_CMD_READ1_HALF2     0x01     /* Starting addr for 2nd half of registers */
-#define NAND0_CMD_READ2           0x50
-#define NAND0_CMD_READ_ID         0x90
-#define NAND0_CMD_READ_STATUS     0x70
-#define NAND0_CMD_RESET           0xFF
-#define NAND0_CMD_PAGE_PROG       0x80
-#define NAND0_CMD_PAGE_PROG_TRUE  0x10
-#define NAND0_CMD_PAGE_PROG_DUMMY 0x11
-#define NAND0_CMD_BLOCK_ERASE     0x60
-#define NAND0_CMD_BLOCK_ERASE_END 0xD0
-
-#define CFG_MAX_NAND_DEVICE     1	/* Max number of NAND devices */
-#define SECTORSIZE              512
-
-#define ADDR_COLUMN             1
-#define ADDR_PAGE               2
-#define ADDR_COLUMN_PAGE        3
-
-#define NAND_ChipID_UNKNOWN     0x00
-#define NAND_MAX_FLOORS         1
-#define NAND_MAX_CHIPS          1
-
-#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_CMD_REG) = d;} while(0)
-#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_ADDR_REG) = d;} while(0)
-#define WRITE_NAND(d, adr)      do {*(volatile u8 *)((ulong)adr+NAND_DATA_REG) = d;} while(0)
-#define READ_NAND(adr)          (*(volatile u8 *)((ulong)adr+NAND_DATA_REG))
-#define NAND_WAIT_READY(nand)   while (!(*(volatile u8 *)((ulong)nand->IO_ADDR+NAND_STAT_REG) & 0x01))
-
-/* not needed with 440EP NAND controller */
-#define NAND_CTL_CLRALE(nandptr)
-#define NAND_CTL_SETALE(nandptr)
-#define NAND_CTL_CLRCLE(nandptr)
-#define NAND_CTL_SETCLE(nandptr)
-#define NAND_DISABLE_CE(nand)
-#define NAND_ENABLE_CE(nand)
+#define CFG_MAX_NAND_DEVICE	1
+#define NAND_MAX_CHIPS		1
+#define CFG_NAND_CS		1
+#define CFG_NAND_BASE		(CFG_NAND_ADDR + CFG_NAND_CS)
+#define CFG_NAND_SELECT_DEVICE  1	/* nand driver supports mutipl. chips	*/
 
 /*-----------------------------------------------------------------------
  * DDR SDRAM