OMAP3 NAND: Add NAND support on OMAP3430

[pandora-kernel.git] / arch / arm / plat-omap / include / mach / gpmc.h

diff --git a/arch/arm/plat-omap/include/mach/gpmc.h b/arch/arm/plat-omap/include/mach/gpmc.h
index 6a8e07f..b0b2edf 100644 (file)
--- a/arch/arm/plat-omap/include/mach/gpmc.h
+++ b/arch/arm/plat-omap/include/mach/gpmc.h
@@ -11,6 +11,9 @@
 #ifndef __OMAP2_GPMC_H
 #define __OMAP2_GPMC_H
 
+/* Maximum Number of Chip Selects */
+#define GPMC_CS_NUM            8
+
 #define GPMC_CS_CONFIG1                0x00
 #define GPMC_CS_CONFIG2                0x04
 #define GPMC_CS_CONFIG3                0x08
@@ -22,6 +25,19 @@
 #define GPMC_CS_NAND_ADDRESS   0x20
 #define GPMC_CS_NAND_DATA      0x24
 
+/*
+ * The following gpmc registers are being used by
+ * nand driver and hence is defined here.
+ * TBD: Move them to gpmc.c by providing appropriate
+ *  methods to read and write into these registers
+ */
+#define GPMC_IRQSTATUS         0x18
+#define GPMC_CONFIG            0x50
+#define GPMC_STATUS            0x54
+#define GPMC_CS0_BASE           0x60
+#define GPMC_CS_SIZE            0x30
+
+
 #define GPMC_CONFIG1_WRAPBURST_SUPP     (1 << 31)
 #define GPMC_CONFIG1_READMULTIPLE_SUPP  (1 << 30)
 #define GPMC_CONFIG1_READTYPE_ASYNC     (0 << 29)
@@ -78,9 +94,14 @@ struct gpmc_timings {
        u16 access;             /* Start-cycle to first data valid delay */
        u16 rd_cycle;           /* Total read cycle time */
        u16 wr_cycle;           /* Total write cycle time */
+
+       /* The following are only on OMAP3430 */
+       u16 wr_access;          /* WRACCESSTIME */
+       u16 wr_data_mux_bus;    /* WRDATAONADMUXBUS */
 };
 
 extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns);
+extern unsigned int gpmc_ticks_to_ns(unsigned int ticks);
 extern unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns);
 extern unsigned long gpmc_get_fclk_period(void);
 
@@ -92,5 +113,6 @@ extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base);
 extern void gpmc_cs_free(int cs);
 extern int gpmc_cs_set_reserved(int cs, int reserved);
 extern int gpmc_cs_reserved(int cs);
+extern void __init gpmc_init(void);
 
 #endif