diff options
Diffstat (limited to 'target/linux/adm5120/files-3.18/arch/mips/include/asm/mach-adm5120/adm5120_mpmc.h')
| -rw-r--r-- | target/linux/adm5120/files-3.18/arch/mips/include/asm/mach-adm5120/adm5120_mpmc.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/adm5120/files-3.18/arch/mips/include/asm/mach-adm5120/adm5120_mpmc.h b/target/linux/adm5120/files-3.18/arch/mips/include/asm/mach-adm5120/adm5120_mpmc.h new file mode 100644 index 0000000..c4e9591 --- /dev/null +++ b/target/linux/adm5120/files-3.18/arch/mips/include/asm/mach-adm5120/adm5120_mpmc.h @@ -0,0 +1,92 @@ +/* + * ADM5120 MPMC (Multiport Memory Controller) register definitions + * + * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> + * + * 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 _MACH_ADM5120_MPMC_H +#define _MACH_ADM5120_MPMC_H + +#define MPMC_READ_REG(r) __raw_readl( \ + (void __iomem *)KSEG1ADDR(ADM5120_MPMC_BASE) + MPMC_REG_ ## r) +#define MPMC_WRITE_REG(r, v) __raw_writel((v), \ + (void __iomem *)KSEG1ADDR(ADM5120_MPMC_BASE) + MPMC_REG_ ## r) + +#define MPMC_REG_CTRL 0x0000 +#define MPMC_REG_STATUS 0x0004 +#define MPMC_REG_CONF 0x0008 +#define MPMC_REG_DC 0x0020 +#define MPMC_REG_DR 0x0024 +#define MPMC_REG_DRP 0x0030 + +#define MPMC_REG_DC0 0x0100 +#define MPMC_REG_DRC0 0x0104 +#define MPMC_REG_DC1 0x0120 +#define MPMC_REG_DRC1 0x0124 +#define MPMC_REG_DC2 0x0140 +#define MPMC_REG_DRC2 0x0144 +#define MPMC_REG_DC3 0x0160 +#define MPMC_REG_DRC3 0x0164 +#define MPMC_REG_SC0 0x0200 /* for F_CS1_N */ +#define MPMC_REG_SC1 0x0220 /* for F_CS0_N */ +#define MPMC_REG_SC2 0x0240 +#define MPMC_REG_WEN2 0x0244 +#define MPMC_REG_OEN2 0x0248 +#define MPMC_REG_RD2 0x024C +#define MPMC_REG_PG2 0x0250 +#define MPMC_REG_WR2 0x0254 +#define MPMC_REG_TN2 0x0258 +#define MPMC_REG_SC3 0x0260 + +/* Control register bits */ +#define MPMC_CTRL_AM (1 << 1) /* Address Mirror */ +#define MPMC_CTRL_LPM (1 << 2) /* Low Power Mode */ +#define MPMC_CTRL_DWB (1 << 3) /* Drain Write Buffers */ + +/* Status register bits */ +#define MPMC_STATUS_BUSY (1 << 0) /* Busy */ +#define MPMC_STATUS_WBS (1 << 1) /* Write Buffer Status */ +#define MPMC_STATUS_SRA (1 << 2) /* Self-Refresh Acknowledge*/ + +/* Dynamic Control register bits */ +#define MPMC_DC_CE (1 << 0) +#define MPMC_DC_DMC (1 << 1) +#define MPMC_DC_SRR (1 << 2) +#define MPMC_DC_SI_SHIFT 7 +#define MPMC_DC_SI_MASK (3 << 7) +#define MPMC_DC_SI_NORMAL (0 << 7) +#define MPMC_DC_SI_MODE (1 << 7) +#define MPMC_DC_SI_PALL (2 << 7) +#define MPMC_DC_SI_NOP (3 << 7) + +#define SRAM_REG_CONF 0x00 +#define SRAM_REG_WWE 0x04 +#define SRAM_REG_WOE 0x08 +#define SRAM_REG_WRD 0x0C +#define SRAM_REG_WPG 0x10 +#define SRAM_REG_WWR 0x14 +#define SRAM_REG_WTR 0x18 + +/* Dynamic Configuration register bits */ +#define DC_BE (1 << 19) /* buffer enable */ +#define DC_RW_SHIFT 28 /* shift for number of rows */ +#define DC_RW_MASK 0x03 +#define DC_NB_SHIFT 26 /* shift for number of banks */ +#define DC_NB_MASK 0x01 +#define DC_CW_SHIFT 22 /* shift for number of columns */ +#define DC_CW_MASK 0x07 +#define DC_DW_SHIFT 7 /* shift for device width */ +#define DC_DW_MASK 0x03 + +/* Static Configuration register bits */ +#define SC_MW_MASK 0x03 /* memory width mask */ +#define SC_MW_8 0x00 /* 8 bit memory width */ +#define SC_MW_16 0x01 /* 16 bit memory width */ +#define SC_MW_32 0x02 /* 32 bit memory width */ + +#endif /* _MACH_ADM5120_MPMC_H */ |