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Add support for AMCC Sequoia PPC440EPx eval board

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- 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
This commit is contained in:
Stefan Roese 2006-09-07 11:51:23 +02:00
parent 0dab03ba8f
commit 887e2ec9ec
48 changed files with 3606 additions and 321 deletions
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2
include/linux/mtd/compat.h
View file

@ -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)

67
include/linux/mtd/ndfc.h Normal file
View file

@ -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