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Diffstat (limited to 'arch/arm/include/asm/arch-a320/ftsdmc020.h')
-rw-r--r--arch/arm/include/asm/arch-a320/ftsdmc020.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-a320/ftsdmc020.h b/arch/arm/include/asm/arch-a320/ftsdmc020.h
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+++ b/arch/arm/include/asm/arch-a320/ftsdmc020.h
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+/*
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert@faraday-tech.com>
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ */
+
+/*
+ * SDRAM Controller
+ */
+#ifndef __FTSDMC020_H
+#define __FTSDMC020_H
+
+#define FTSDMC020_OFFSET_TP0 0x00
+#define FTSDMC020_OFFSET_TP1 0x04
+#define FTSDMC020_OFFSET_CR 0x08
+#define FTSDMC020_OFFSET_BANK0_BSR 0x0C
+#define FTSDMC020_OFFSET_BANK1_BSR 0x10
+#define FTSDMC020_OFFSET_BANK2_BSR 0x14
+#define FTSDMC020_OFFSET_BANK3_BSR 0x18
+#define FTSDMC020_OFFSET_BANK4_BSR 0x1C
+#define FTSDMC020_OFFSET_BANK5_BSR 0x20
+#define FTSDMC020_OFFSET_BANK6_BSR 0x24
+#define FTSDMC020_OFFSET_BANK7_BSR 0x28
+#define FTSDMC020_OFFSET_ACR 0x34
+
+/*
+ * Timing Parametet 0 Register
+ */
+#define FTSDMC020_TP0_TCL(x) ((x) & 0x3)
+#define FTSDMC020_TP0_TWR(x) (((x) & 0x3) << 4)
+#define FTSDMC020_TP0_TRF(x) (((x) & 0xf) << 8)
+#define FTSDMC020_TP0_TRCD(x) (((x) & 0x7) << 12)
+#define FTSDMC020_TP0_TRP(x) (((x) & 0xf) << 16)
+#define FTSDMC020_TP0_TRAS(x) (((x) & 0xf) << 20)
+
+/*
+ * Timing Parametet 1 Register
+ */
+#define FTSDMC020_TP1_REF_INTV(x) ((x) & 0xffff)
+#define FTSDMC020_TP1_INI_REFT(x) (((x) & 0xf) << 16)
+#define FTSDMC020_TP1_INI_PREC(x) (((x) & 0xf) << 20)
+
+/*
+ * Configuration Register
+ */
+#define FTSDMC020_CR_SREF (1 << 0)
+#define FTSDMC020_CR_PWDN (1 << 1)
+#define FTSDMC020_CR_ISMR (1 << 2)
+#define FTSDMC020_CR_IREF (1 << 3)
+#define FTSDMC020_CR_IPREC (1 << 4)
+#define FTSDMC020_CR_REFTYPE (1 << 5)
+
+/*
+ * SDRAM External Bank Base/Size Register
+ */
+#define FTSDMC020_BANK_ENABLE (1 << 28)
+
+#define FTSDMC020_BANK_BASE(addr) (((addr) >> 20) << 16)
+
+#define FTSDMC020_BANK_DDW_X4 (0 << 12)
+#define FTSDMC020_BANK_DDW_X8 (1 << 12)
+#define FTSDMC020_BANK_DDW_X16 (2 << 12)
+#define FTSDMC020_BANK_DDW_X32 (3 << 12)
+
+#define FTSDMC020_BANK_DSZ_16M (0 << 8)
+#define FTSDMC020_BANK_DSZ_64M (1 << 8)
+#define FTSDMC020_BANK_DSZ_128M (2 << 8)
+#define FTSDMC020_BANK_DSZ_256M (3 << 8)
+
+#define FTSDMC020_BANK_MBW_8 (0 << 4)
+#define FTSDMC020_BANK_MBW_16 (1 << 4)
+#define FTSDMC020_BANK_MBW_32 (2 << 4)
+
+#define FTSDMC020_BANK_SIZE_1M 0x0
+#define FTSDMC020_BANK_SIZE_2M 0x1
+#define FTSDMC020_BANK_SIZE_4M 0x2
+#define FTSDMC020_BANK_SIZE_8M 0x3
+#define FTSDMC020_BANK_SIZE_16M 0x4
+#define FTSDMC020_BANK_SIZE_32M 0x5
+#define FTSDMC020_BANK_SIZE_64M 0x6
+#define FTSDMC020_BANK_SIZE_128M 0x7
+#define FTSDMC020_BANK_SIZE_256M 0x8
+
+/*
+ * Arbiter Control Register
+ */
+#define FTSDMC020_ACR_TOC(x) ((x) & 0x1f)
+#define FTSDMC020_ACR_TOE (1 << 8)
+
+#endif /* __FTSDMC020_H */