Add support for AMCC Sequoia PPC440EPx eval board

- Add support for PPC440EPx & PPC440GRx
- Add support for PPC440EP(x)/GR(x) NAND controller
  in cpu/ppc4xx directory
- Add NAND boot functionality for Sequoia board,
  please see doc/README.nand-boot-ppc440 for details
- This Sequoia NAND image doesn't support environment
  in NAND for now. This will be added in a short while.
Patch by Stefan Roese, 07 Sep 2006

2 files changed, 69 insertions, 0 deletions

diff --git a/include/linux/mtd/compat.h b/include/linux/mtd/compat.h
index 460cd45..fe55087 100644
--- a/include/linux/mtd/compat.h
+++ b/include/linux/mtd/compat.h
@@ -31,11 +31,13 @@
 #define max_t(type,x,y) \
 	({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
 
+#ifndef BUG
 #define BUG() do { \
 	printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
 } while (0)
 
 #define BUG_ON(condition) do { if (condition) BUG(); } while(0)
+#endif /* BUG */
 
 #define likely(x)	__builtin_expect(!!(x), 1)
 #define unlikely(x)	__builtin_expect(!!(x), 0)
diff --git a/include/linux/mtd/ndfc.h b/include/linux/mtd/ndfc.h
new file mode 100644
index 0000000..d0558a9
--- /dev/null
+++ b/include/linux/mtd/ndfc.h
@@ -0,0 +1,67 @@
+/*
+ *  linux/include/linux/mtd/ndfc.h
+ *
+ *  Copyright (c) 2006 Thomas Gleixner <tglx@linutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  Info:
+ *   Contains defines, datastructures for ndfc nand controller
+ *
+ */
+#ifndef __LINUX_MTD_NDFC_H
+#define __LINUX_MTD_NDFC_H
+
+/* NDFC Register definitions */
+#define NDFC_CMD		0x00
+#define NDFC_ALE		0x04
+#define NDFC_DATA		0x08
+#define NDFC_ECC		0x10
+#define NDFC_BCFG0		0x30
+#define NDFC_BCFG1		0x34
+#define NDFC_BCFG2		0x38
+#define NDFC_BCFG3		0x3c
+#define NDFC_CCR		0x40
+#define NDFC_STAT		0x44
+#define NDFC_HWCTL		0x48
+#define NDFC_REVID		0x50
+
+#define NDFC_STAT_IS_READY	0x01000000
+
+#define NDFC_CCR_RESET_CE	0x80000000 /* CE Reset */
+#define NDFC_CCR_RESET_ECC	0x40000000 /* ECC Reset */
+#define NDFC_CCR_RIE		0x20000000 /* Interrupt Enable on Device Rdy */
+#define NDFC_CCR_REN		0x10000000 /* Enable wait for Rdy in LinearR */
+#define NDFC_CCR_ROMEN		0x08000000 /* Enable ROM In LinearR */
+#define NDFC_CCR_ARE		0x04000000 /* Auto-Read Enable */
+#define NDFC_CCR_BS(x)		(((x) & 0x3) << 24) /* Select Bank on CE[x] */
+#define NDFC_CCR_BS_MASK	0x03000000 /* Select Bank */
+#define NDFC_CCR_ARAC0		0x00000000 /* 3 Addr, 1 Col 2 Row 512b page */
+#define NDFC_CCR_ARAC1		0x00001000 /* 4 Addr, 1 Col 3 Row 512b page */
+#define NDFC_CCR_ARAC2		0x00002000 /* 4 Addr, 2 Col 2 Row 2K page */
+#define NDFC_CCR_ARAC3		0x00003000 /* 5 Addr, 2 Col 3 Row 2K page */
+#define NDFC_CCR_ARAC_MASK	0x00003000 /* Auto-Read mode Addr Cycles */
+#define NDFC_CCR_RPG		0x0000C000 /* Auto-Read Page */
+#define NDFC_CCR_EBCC		0x00000004 /* EBC Configuration Completed */
+#define NDFC_CCR_DHC		0x00000002 /* Direct Hardware Control Enable */
+
+#define NDFC_BxCFG_EN		0x80000000 /* Bank Enable */
+#define NDFC_BxCFG_CED		0x40000000 /* nCE Style */
+#define NDFC_BxCFG_SZ_MASK	0x08000000 /* Bank Size */
+#define NDFC_BxCFG_SZ_8BIT	0x00000000 /* 8bit */
+#define NDFC_BxCFG_SZ_16BIT	0x08000000 /* 16bit */
+
+#define NDFC_MAX_BANKS		4
+
+struct ndfc_controller_settings {
+	uint32_t	ccr_settings;
+	uint64_t	ndfc_erpn;
+};
+
+struct ndfc_chip_settings {
+	uint32_t	bank_settings;
+};
+
+#endif