[adm5120] experimental support for 2.6.27

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12863 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 92 insertions, 0 deletions

diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_mpmc.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_mpmc.h
new file mode 100644
index 0000000000..5383659dbf
--- /dev/null
+++ b/target/linux/adm5120/files/include/asm-mips/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 */