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author | Wolfgang Denk <wd@pollux.denx.de> | 2006-11-27 16:13:00 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2006-11-27 16:13:00 +0100 |
commit | d3c5e8b2f5945d93de8f23b053e9dcd033983245 (patch) | |
tree | 72c292c41bc0dfadd6f634fe03e697d8a4473487 /include/linux/mtd/ndfc.h | |
parent | 98280e3d431db77d92219438b8840853bd7cb412 (diff) | |
parent | a9398e018593782c5fa7d0741955fc1256b34c1e (diff) | |
download | u-boot-imx-d3c5e8b2f5945d93de8f23b053e9dcd033983245.zip u-boot-imx-d3c5e8b2f5945d93de8f23b053e9dcd033983245.tar.gz u-boot-imx-d3c5e8b2f5945d93de8f23b053e9dcd033983245.tar.bz2 |
Merge with /home/wd/git/u-boot/master
Diffstat (limited to 'include/linux/mtd/ndfc.h')
-rw-r--r-- | include/linux/mtd/ndfc.h | 67 |
1 files changed, 67 insertions, 0 deletions
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 |