diff options
Diffstat (limited to 'arch/arm/include/asm/arch-lpc32xx/emc.h')
-rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/emc.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/arch/arm/include/asm/arch-lpc32xx/emc.h b/arch/arm/include/asm/arch-lpc32xx/emc.h deleted file mode 100644 index 20698a3..0000000 --- a/arch/arm/include/asm/arch-lpc32xx/emc.h +++ /dev/null @@ -1,99 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com> - */ - -#ifndef _LPC32XX_EMC_H -#define _LPC32XX_EMC_H - -#include <asm/types.h> - -/* EMC Registers */ -struct emc_regs { - u32 ctrl; /* Controls operation of the EMC */ - u32 status; /* Provides EMC status information */ - u32 config; /* Configures operation of the EMC */ - u32 reserved0[5]; - u32 control; /* Controls dyn memory operation */ - u32 refresh; /* Configures dyn memory refresh operation */ - u32 read_config; /* Configures the dyn memory read strategy */ - u32 reserved1; - u32 t_rp; /* Precharge command period */ - u32 t_ras; /* Active to precharge command period */ - u32 t_srex; /* Self-refresh exit time */ - u32 reserved2[2]; - u32 t_wr; /* Write recovery time */ - u32 t_rc; /* Active to active command period */ - u32 t_rfc; /* Auto-refresh period */ - u32 t_xsr; /* Exit self-refresh to active command time */ - u32 t_rrd; /* Active bank A to active bank B latency */ - u32 t_mrd; /* Load mode register to active command time */ - u32 t_cdlr; /* Last data in to read command time */ - u32 reserved3[8]; - u32 extended_wait; /* time for static memory rd/wr transfers */ - u32 reserved4[31]; - u32 config0; /* Configuration information for the SDRAM */ - u32 rascas0; /* RAS and CAS latencies for the SDRAM */ - u32 reserved5[6]; - u32 config1; /* Configuration information for the SDRAM */ - u32 rascas1; /* RAS and CAS latencies for the SDRAM */ - u32 reserved6[54]; - struct emc_stat_t { - u32 config; /* Static memory configuration */ - u32 waitwen; /* Delay from chip select to write enable */ - u32 waitoen; /* Delay to output enable */ - u32 waitrd; /* Delay to a read access */ - u32 waitpage; /* Delay for async page mode read */ - u32 waitwr; /* Delay to a write access */ - u32 waitturn; /* Number of bus turnaround cycles */ - u32 reserved; - } stat[4]; - u32 reserved7[96]; - struct emc_ahb_t { - u32 control; /* Control register for AHB */ - u32 status; /* Status register for AHB */ - u32 timeout; /* Timeout register for AHB */ - u32 reserved[5]; - } ahb[5]; -}; - -/* Static Memory Configuration Register bits */ -#define EMC_STAT_CONFIG_WP (1 << 20) -#define EMC_STAT_CONFIG_EW (1 << 8) -#define EMC_STAT_CONFIG_PB (1 << 7) -#define EMC_STAT_CONFIG_PC (1 << 6) -#define EMC_STAT_CONFIG_PM (1 << 3) -#define EMC_STAT_CONFIG_32BIT (2 << 0) -#define EMC_STAT_CONFIG_16BIT (1 << 0) -#define EMC_STAT_CONFIG_8BIT (0 << 0) - -/* Static Memory Delay Registers */ -#define EMC_STAT_WAITWEN(n) (((n) - 1) & 0x0F) -#define EMC_STAT_WAITOEN(n) ((n) & 0x0F) -#define EMC_STAT_WAITRD(n) (((n) - 1) & 0x1F) -#define EMC_STAT_WAITPAGE(n) (((n) - 1) & 0x1F) -#define EMC_STAT_WAITWR(n) (((n) - 2) & 0x1F) -#define EMC_STAT_WAITTURN(n) (((n) - 1) & 0x0F) - -/* EMC settings for DRAM */ -struct emc_dram_settings { - u32 cmddelay; - u32 config0; - u32 rascas0; - u32 rdconfig; - u32 trp; - u32 tras; - u32 tsrex; - u32 twr; - u32 trc; - u32 trfc; - u32 txsr; - u32 trrd; - u32 tmrd; - u32 tcdlr; - u32 refresh; - u32 mode; - u32 emode; -}; - -#endif /* _LPC32XX_EMC_H */ |