| #ifndef __ASM_ARCH_PXA3XX_NAND_H |
| #define __ASM_ARCH_PXA3XX_NAND_H |
| |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/partitions.h> |
| |
| /* |
| * 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; |
| |
| /* use an flash-based bad block table */ |
| bool flash_bbt; |
| |
| /* requested ECC strength and ECC step size */ |
| int ecc_strength, ecc_step_size; |
| |
| const struct mtd_partition *parts[NUM_CHIP_SELECT]; |
| unsigned int nr_parts[NUM_CHIP_SELECT]; |
| }; |
| |
| extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); |
| #endif /* __ASM_ARCH_PXA3XX_NAND_H */ |