diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/pxa3xx_nand.h | 44 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_nand.h | 27 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/mach/onenand.h | 6 |
3 files changed, 74 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h index eb4b190b6657..eb35fca9aea5 100644 --- a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h +++ b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h @@ -4,6 +4,43 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +struct pxa3xx_nand_timing { + unsigned int tCH; /* Enable signal hold time */ + unsigned int tCS; /* Enable signal setup time */ + unsigned int tWH; /* ND_nWE high duration */ + unsigned int tWP; /* ND_nWE pulse time */ + unsigned int tRH; /* ND_nRE high duration */ + unsigned int tRP; /* ND_nRE pulse width */ + unsigned int tR; /* ND_nWE high to ND_nRE low for read */ + unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */ + unsigned int tAR; /* ND_ALE low to ND_nRE low delay */ +}; + +struct pxa3xx_nand_cmdset { + uint16_t read1; + uint16_t read2; + uint16_t program; + uint16_t read_status; + uint16_t read_id; + uint16_t erase; + uint16_t reset; + uint16_t lock; + uint16_t unlock; + uint16_t lock_status; +}; + +struct pxa3xx_nand_flash { + const struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ + const struct pxa3xx_nand_cmdset *cmdset; + + uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */ + uint32_t page_size; /* Page size in bytes (PAGE_SZ) */ + uint32_t flash_width; /* Width of Flash memory (DWIDTH_M) */ + uint32_t dfc_width; /* Width of flash controller(DWIDTH_C) */ + uint32_t num_blocks; /* Number of physical blocks in Flash */ + uint32_t chip_id; +}; + struct pxa3xx_nand_platform_data { /* the data flash bus is shared between the Static Memory @@ -12,8 +49,11 @@ struct pxa3xx_nand_platform_data { */ int enable_arbiter; - struct mtd_partition *parts; - unsigned int nr_parts; + const struct mtd_partition *parts; + unsigned int nr_parts; + + const struct pxa3xx_nand_flash * flash; + size_t num_flash; }; extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); diff --git a/arch/arm/plat-mxc/include/mach/mxc_nand.h b/arch/arm/plat-mxc/include/mach/mxc_nand.h new file mode 100644 index 000000000000..2b972df22d12 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mxc_nand.h @@ -0,0 +1,27 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Sascha Hauer, kernel@pengutronix.de + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#ifndef __ASM_ARCH_NAND_H +#define __ASM_ARCH_NAND_H + +struct mxc_nand_platform_data { + int width; /* data bus width in bytes */ + int hw_ecc; /* 0 if supress hardware ECC */ +}; +#endif /* __ASM_ARCH_NAND_H */ diff --git a/arch/arm/plat-omap/include/mach/onenand.h b/arch/arm/plat-omap/include/mach/onenand.h index d57f20226b28..4649d302c263 100644 --- a/arch/arm/plat-omap/include/mach/onenand.h +++ b/arch/arm/plat-omap/include/mach/onenand.h @@ -16,6 +16,10 @@ struct omap_onenand_platform_data { int gpio_irq; struct mtd_partition *parts; int nr_parts; - int (*onenand_setup)(void __iomem *); + int (*onenand_setup)(void __iomem *, int freq); int dma_channel; }; + +int omap2_onenand_rephase(void); + +#define ONENAND_MAX_PARTITIONS 8 |