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-rw-r--r--arch/mips/include/asm/mach-rc32434/ddr.h141
1 files changed, 141 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-rc32434/ddr.h b/arch/mips/include/asm/mach-rc32434/ddr.h
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+++ b/arch/mips/include/asm/mach-rc32434/ddr.h
@@ -0,0 +1,141 @@
+/*
+ * Definitions for the DDR registers
+ *
+ * Copyright 2002 Ryan Holm <ryan.holmQVist@idt.com>
+ * Copyright 2008 Florian Fainelli <florian@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ASM_RC32434_DDR_H_
+#define _ASM_RC32434_DDR_H_
+
+#include <asm/mach-rc32434/rb.h>
+
+/* DDR register structure */
+struct ddr_ram {
+ u32 ddrbase;
+ u32 ddrmask;
+ u32 res1;
+ u32 res2;
+ u32 ddrc;
+ u32 ddrabase;
+ u32 ddramask;
+ u32 ddramap;
+ u32 ddrcust;
+ u32 ddrrdc;
+ u32 ddrspare;
+};
+
+#define DDR0_PHYS_ADDR 0x18018000
+
+/* DDR banks masks */
+#define DDR_MASK 0xffff0000
+#define DDR0_BASE_MSK DDR_MASK
+#define DDR1_BASE_MSK DDR_MASK
+
+/* DDR bank0 registers */
+#define RC32434_DDR0_ATA_BIT 5
+#define RC32434_DDR0_ATA_MSK 0x000000E0
+#define RC32434_DDR0_DBW_BIT 8
+#define RC32434_DDR0_DBW_MSK 0x00000100
+#define RC32434_DDR0_WR_BIT 9
+#define RC32434_DDR0_WR_MSK 0x00000600
+#define RC32434_DDR0_PS_BIT 11
+#define RC32434_DDR0_PS_MSK 0x00001800
+#define RC32434_DDR0_DTYPE_BIT 13
+#define RC32434_DDR0_DTYPE_MSK 0x0000e000
+#define RC32434_DDR0_RFC_BIT 16
+#define RC32434_DDR0_RFC_MSK 0x000f0000
+#define RC32434_DDR0_RP_BIT 20
+#define RC32434_DDR0_RP_MSK 0x00300000
+#define RC32434_DDR0_AP_BIT 22
+#define RC32434_DDR0_AP_MSK 0x00400000
+#define RC32434_DDR0_RCD_BIT 23
+#define RC32434_DDR0_RCD_MSK 0x01800000
+#define RC32434_DDR0_CL_BIT 25
+#define RC32434_DDR0_CL_MSK 0x06000000
+#define RC32434_DDR0_DBM_BIT 27
+#define RC32434_DDR0_DBM_MSK 0x08000000
+#define RC32434_DDR0_SDS_BIT 28
+#define RC32434_DDR0_SDS_MSK 0x10000000
+#define RC32434_DDR0_ATP_BIT 29
+#define RC32434_DDR0_ATP_MSK 0x60000000
+#define RC32434_DDR0_RE_BIT 31
+#define RC32434_DDR0_RE_MSK 0x80000000
+
+/* DDR bank C registers */
+#define RC32434_DDRC_MSK(x) BIT_TO_MASK(x)
+#define RC32434_DDRC_CES_BIT 0
+#define RC32434_DDRC_ACE_BIT 1
+
+/* Custom DDR bank registers */
+#define RC32434_DCST_MSK(x) BIT_TO_MASK(x)
+#define RC32434_DCST_CS_BIT 0
+#define RC32434_DCST_CS_MSK 0x00000003
+#define RC32434_DCST_WE_BIT 2
+#define RC32434_DCST_RAS_BIT 3
+#define RC32434_DCST_CAS_BIT 4
+#define RC32434_DSCT_CKE_BIT 5
+#define RC32434_DSCT_BA_BIT 6
+#define RC32434_DSCT_BA_MSK 0x000000c0
+
+/* DDR QSC registers */
+#define RC32434_QSC_DM_BIT 0
+#define RC32434_QSC_DM_MSK 0x00000003
+#define RC32434_QSC_DQSBS_BIT 2
+#define RC32434_QSC_DQSBS_MSK 0x000000fc
+#define RC32434_QSC_DB_BIT 8
+#define RC32434_QSC_DB_MSK 0x00000100
+#define RC32434_QSC_DBSP_BIT 9
+#define RC32434_QSC_DBSP_MSK 0x01fffe00
+#define RC32434_QSC_BDP_BIT 25
+#define RC32434_QSC_BDP_MSK 0x7e000000
+
+/* DDR LLC registers */
+#define RC32434_LLC_EAO_BIT 0
+#define RC32434_LLC_EAO_MSK 0x00000001
+#define RC32434_LLC_EO_BIT 1
+#define RC32434_LLC_EO_MSK 0x0000003e
+#define RC32434_LLC_FS_BIT 6
+#define RC32434_LLC_FS_MSK 0x000000c0
+#define RC32434_LLC_AS_BIT 8
+#define RC32434_LLC_AS_MSK 0x00000700
+#define RC32434_LLC_SP_BIT 11
+#define RC32434_LLC_SP_MSK 0x001ff800
+
+/* DDR LLFC registers */
+#define RC32434_LLFC_MSK(x) BIT_TO_MASK(x)
+#define RC32434_LLFC_MEN_BIT 0
+#define RC32434_LLFC_EAN_BIT 1
+#define RC32434_LLFC_FF_BIT 2
+
+/* DDR DLLTA registers */
+#define RC32434_DLLTA_ADDR_BIT 2
+#define RC32434_DLLTA_ADDR_MSK 0xfffffffc
+
+/* DDR DLLED registers */
+#define RC32434_DLLED_MSK(x) BIT_TO_MASK(x)
+#define RC32434_DLLED_DBE_BIT 0
+#define RC32434_DLLED_DTE_BIT 1
+
+#endif /* _ASM_RC32434_DDR_H_ */
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