diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/gpmc.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/gpmc.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpmc.h b/arch/arm/plat-omap/include/mach/gpmc.h deleted file mode 100644 index 9c99cda77ba..00000000000 --- a/arch/arm/plat-omap/include/mach/gpmc.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * 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 - -/* 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 - -#define GPMC_CONFIG 0x50 -#define GPMC_STATUS 0x54 - -#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_DEVICETYPE_NAND GPMC_CONFIG1_DEVICETYPE(1) -#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)) - -/* - * Note that all values in this struct are in nanoseconds, while - * the register values are in gpmc_fck cycles. - */ -struct gpmc_timings { - /* Minimum clock period for synchronous mode */ - u16 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 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); - -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_cs_calc_divider(int cs, 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 int gpmc_prefetch_enable(int cs, int dma_mode, - unsigned int u32_count, int is_write); -extern void gpmc_prefetch_reset(void); -extern int gpmc_prefetch_status(void); -extern void __init gpmc_init(void); - -#endif |