diff options
Diffstat (limited to 'arch/arm/plat-pxa/include/plat/pxa3xx_nand.h')
-rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa3xx_nand.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h deleted file mode 100644 index c42f39f..0000000 --- a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h +++ /dev/null @@ -1,79 +0,0 @@ -#ifndef __ASM_ARCH_PXA3XX_NAND_H -#define __ASM_ARCH_PXA3XX_NAND_H - -#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 { - char *name; - uint32_t chip_id; - unsigned int page_per_block; /* Pages per block (PG_PER_BLK) */ - unsigned int page_size; /* Page size in bytes (PAGE_SZ) */ - unsigned int flash_width; /* Width of Flash memory (DWIDTH_M) */ - unsigned int dfc_width; /* Width of flash controller(DWIDTH_C) */ - unsigned int num_blocks; /* Number of physical blocks in Flash */ - - struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ -}; - -/* - * Current pxa3xx_nand controller has two chip select which - * both be workable. - * - * Notice should be taken that: - * When you want to use this feature, you should not enable the - * keep configuration feature, for two chip select could be - * attached with different nand chip. The different page size - * and timing requirement make the keep configuration impossible. - */ - -/* The max num of chip select current support */ -#define NUM_CHIP_SELECT (2) -struct pxa3xx_nand_platform_data { - - /* the data flash bus is shared between the Static Memory - * Controller and the Data Flash Controller, the arbiter - * controls the ownership of the bus - */ - int enable_arbiter; - - /* allow platform code to keep OBM/bootloader defined NFC config */ - int keep_config; - - /* indicate how many chip selects will be used */ - int num_cs; - - const struct mtd_partition *parts[NUM_CHIP_SELECT]; - unsigned int nr_parts[NUM_CHIP_SELECT]; - - const struct pxa3xx_nand_flash * flash; - size_t num_flash; -}; - -extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); -#endif /* __ASM_ARCH_PXA3XX_NAND_H */ |