ARM: OMAP2+: gpmc: localize gpmc header

Requirement of gpmc header outside of mach-omap2 has been
cutoff, move gpmc header file in plat-omap folder to local
mach-omap2 folder

Objective - common zImage participation of omap

Signed-off-by: Afzal Mohammed <afzal@ti.com>

1 files changed, 135 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/gpmc.h b/arch/arm/mach-omap2/gpmc.h
new file mode 100644
index 000000000000..79f4dfc2adb3
--- /dev/null
+++ b/arch/arm/mach-omap2/gpmc.h
@@ -0,0 +1,135 @@
+/*
+ * General-Purpose Memory Controller for OMAP2
+ *
+ * Copyright (C) 2005-2006 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __OMAP2_GPMC_H
+#define __OMAP2_GPMC_H
+
+#include <linux/platform_data/mtd-nand-omap2.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
+#define GPMC_CS_CONFIG4         0x0c
+#define GPMC_CS_CONFIG5         0x10
+#define GPMC_CS_CONFIG6         0x14
+#define GPMC_CS_CONFIG7         0x18
+#define GPMC_CS_NAND_COMMAND    0x1c
+#define GPMC_CS_NAND_ADDRESS    0x20
+#define GPMC_CS_NAND_DATA       0x24
+
+/* Control Commands */
+#define GPMC_CONFIG_RDY_BSY     0x00000001
+#define GPMC_CONFIG_DEV_SIZE    0x00000002
+#define GPMC_CONFIG_DEV_TYPE    0x00000003
+#define GPMC_SET_IRQ_STATUS     0x00000004
+#define GPMC_CONFIG_WP          0x00000005
+
+#define GPMC_ENABLE_IRQ         0x0000000d
+
+/* ECC commands */
+#define GPMC_ECC_READ           0 /* Reset Hardware ECC for read */
+#define GPMC_ECC_WRITE          1 /* Reset Hardware ECC for write */
+#define GPMC_ECC_READSYN        2 /* Reset before syndrom is read back */
+
+#define GPMC_CONFIG1_WRAPBURST_SUPP     (1 << 31)
+#define GPMC_CONFIG1_READMULTIPLE_SUPP  (1 << 30)
+#define GPMC_CONFIG1_READTYPE_ASYNC     (0 << 29)
+#define GPMC_CONFIG1_READTYPE_SYNC      (1 << 29)
+#define GPMC_CONFIG1_WRITEMULTIPLE_SUPP (1 << 28)
+#define GPMC_CONFIG1_WRITETYPE_ASYNC    (0 << 27)
+#define GPMC_CONFIG1_WRITETYPE_SYNC     (1 << 27)
+#define GPMC_CONFIG1_CLKACTIVATIONTIME(val) ((val & 3) << 25)
+#define GPMC_CONFIG1_PAGE_LEN(val)      ((val & 3) << 23)
+#define GPMC_CONFIG1_WAIT_READ_MON      (1 << 22)
+#define GPMC_CONFIG1_WAIT_WRITE_MON     (1 << 21)
+#define GPMC_CONFIG1_WAIT_MON_IIME(val) ((val & 3) << 18)
+#define GPMC_CONFIG1_WAIT_PIN_SEL(val)  ((val & 3) << 16)
+#define GPMC_CONFIG1_DEVICESIZE(val)    ((val & 3) << 12)
+#define GPMC_CONFIG1_DEVICESIZE_16      GPMC_CONFIG1_DEVICESIZE(1)
+#define GPMC_CONFIG1_DEVICETYPE(val)    ((val & 3) << 10)
+#define GPMC_CONFIG1_DEVICETYPE_NOR     GPMC_CONFIG1_DEVICETYPE(0)
+#define GPMC_CONFIG1_MUXADDDATA         (1 << 9)
+#define GPMC_CONFIG1_TIME_PARA_GRAN     (1 << 4)
+#define GPMC_CONFIG1_FCLK_DIV(val)      (val & 3)
+#define GPMC_CONFIG1_FCLK_DIV2          (GPMC_CONFIG1_FCLK_DIV(1))
+#define GPMC_CONFIG1_FCLK_DIV3          (GPMC_CONFIG1_FCLK_DIV(2))
+#define GPMC_CONFIG1_FCLK_DIV4          (GPMC_CONFIG1_FCLK_DIV(3))
+#define GPMC_CONFIG7_CSVALID            (1 << 6)
+
+#define GPMC_DEVICETYPE_NOR             0
+#define GPMC_DEVICETYPE_NAND            2
+#define GPMC_CONFIG_WRITEPROTECT        0x00000010
+#define WR_RD_PIN_MONITORING            0x00600000
+#define GPMC_IRQ_FIFOEVENTENABLE        0x01
+#define GPMC_IRQ_COUNT_EVENT            0x02
+
+
+/*
+ * Note that all values in this struct are in nanoseconds except sync_clk
+ * (which is in picoseconds), while the register values are in gpmc_fck cycles.
+ */
+struct gpmc_timings {
+        /* Minimum clock period for synchronous mode (in picoseconds) */
+        u32 sync_clk;
+
+        /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */
+        u16 cs_on;              /* Assertion time */
+        u16 cs_rd_off;          /* Read deassertion time */
+        u16 cs_wr_off;          /* Write deassertion time */
+
+        /* ADV signal timings corresponding to GPMC_CONFIG3 */
+        u16 adv_on;             /* Assertion time */
+        u16 adv_rd_off;         /* Read deassertion time */
+        u16 adv_wr_off;         /* Write deassertion time */
+
+        /* WE signals timings corresponding to GPMC_CONFIG4 */
+        u16 we_on;              /* WE assertion time */
+        u16 we_off;             /* WE deassertion time */
+
+        /* OE signals timings corresponding to GPMC_CONFIG4 */
+        u16 oe_on;              /* OE assertion time */
+        u16 oe_off;             /* OE deassertion time */
+
+        /* Access time and cycle time timings corresponding to GPMC_CONFIG5 */
+        u16 page_burst_access;  /* Multiple access word delay */
+        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 void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs);
+extern int gpmc_get_client_irq(unsigned irq_config);
+
+extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns);
+extern unsigned int gpmc_ps_to_ticks(unsigned int time_ps);
+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);
+
+extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
+extern u32 gpmc_cs_read_reg(int cs, int idx);
+extern int gpmc_calc_divider(unsigned int sync_clk);
+extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t);
+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 omap3_gpmc_save_context(void);
+extern void omap3_gpmc_restore_context(void);
+extern int gpmc_cs_configure(int cs, int cmd, int wval);
+
+#endif