summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/pxa3xx_nand.h')
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa3xx_nand.h44
1 files changed, 42 insertions, 2 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);