[U-Boot] [PATCH v2 2/4] ftsdmc021: add register definitions of ftsdmc021
Macpaul Lin
macpaul at andestech.com
Tue Mar 22 06:01:18 CET 2011
Support registers definitions of ftsdmc021 SDRAM controller.
Signed-off-by: Macpaul Lin <macpaul at andestech.com>
---
Changes for v2:
- Add __ASSEMBLY__ protecton to register offset for supporting
lowlevel_init
include/faraday/ftsdmc021.h | 154
+++++++++++++++++++++++++++++++++++++++++++
1 files changed, 154 insertions(+), 0 deletions(-)
create mode 100644 include/faraday/ftsdmc021.h
diff --git a/include/faraday/ftsdmc021.h b/include/faraday/ftsdmc021.h
new file mode 100644
index 0000000..3ed535a
--- /dev/null
+++ b/include/faraday/ftsdmc021.h
@@ -0,0 +1,154 @@
+/*
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert at faraday-tech.com>
+ *
+ * (C) Copyright 2011 Andes Technology Corp
+ * Macpaul Lin <macpaul at andestech.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.
+ */
+
+/*
+ * FTSDMC021 - SDRAM Controller
+ */
+#ifndef __FTSDMC021_H
+#define __FTSDMC021_H
+
+#ifdef __ASSEMBLY__
+#define FTSDMC021_OFFSET_TP1 0x00 /* SDRAM Timing Parameter 1 */
+#define FTSDMC021_OFFSET_TP2 0x04 /* SDRAM Timing Parameter 2 */
+#define FTSDMC021_OFFSET_CR1 0x08 /* SDRAM Configuration Reg 1 */
+#define FTSDMC021_OFFSET_CR2 0x0C /* SDRAM Configuration Reg 2 */
+#define FTSDMC021_OFFSET_BANK0_BSR 0x10 /* External Bank Base/Size Reg
0 */
+#define FTSDMC021_OFFSET_BANK1_BSR 0x14 /* External Bank Base/Size Reg
1 */
+#define FTSDMC021_OFFSET_BANK2_BSR 0x18 /* External Bank Base/Size Reg
2 */
+#define FTSDMC021_OFFSET_BANK3_BSR 0x1C /* External Bank Base/Size Reg
3 */
+#define FTSDMC021_OFFSET_BANK4_BSR 0x20 /* External Bank Base/Size Reg
4 */
+#define FTSDMC021_OFFSET_BANK5_BSR 0x24 /* External Bank Base/Size Reg
5 */
+#define FTSDMC021_OFFSET_BANK6_BSR 0x28 /* External Bank Base/Size Reg
6 */
+#define FTSDMC021_OFFSET_BANK7_BSR 0x2C /* External Bank Base/Size Reg
7 */
+#define FTSDMC021_OFFSET_RAGR 0x30 /* Read Arbitration Group Reg */
+#define FTSDMC021_OFFSET_FRR 0x34 /* Flush Request Register */
+#define FTSDMC021_OFFSET_EBISR 0x38 /* EBI Support Register */
+#define FTSDMC021_OFFSET_CRR 0x100 /* Controller Revision Reg */
+#define FTSDMC021_OFFSET_CFR 0x104 /* Controller Feature Reg */
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Timing Parameter 1 Register
+ */
+#define FTSDMC021_TP1_TCL(x) ((x) & 0x3)
+#define FTSDMC021_TP1_TWR(x) (((x) & 0x3) << 4)
+#define FTSDMC021_TP1_TRF(x) (((x) & 0xf) << 8)
+#define FTSDMC021_TP1_TRCD(x) (((x) & 0x7) << 12)
+#define FTSDMC021_TP1_TRP(x) (((x) & 0xf) << 16)
+#define FTSDMC021_TP1_TRAS(x) (((x) & 0xf) << 20)
+
+/*
+ * Timing Parameter 2 Register
+ */
+#define FTSDMC021_TP2_REF_INTV(x) ((x) & 0xffff)
+#define FTSDMC021_TP2_INI_REFT(x) (((x) & 0xf) << 16)
+#define FTSDMC021_TP2_INI_PREC(x) (((x) & 0xf) << 20)
+
+/*
+ * Configuration Register 1
+ */
+#define FTSDMC021_CR1_BNKSIZEF(x) ((x) & 0xf)
+#define FTSDMC021_CR1_MBW(x) (((x) & 0x3) << 4)
+#define FTSDMC021_CR1_DSZ(x) (((x) & 0x7) << 8)
+#define FTSDMC021_CR1_DDW(x) (((x) & 0x3) << 12)
+#define FTSDMC021_CR1_MA2T(x) (1 << 16) /* Double Memory Address
Cycle Enable */
+
+/*
+ * Configuration Register 2
+ */
+#define FTSDMC021_CR2_SREF (1 << 0)
+#define FTSDMC021_CR2_PWDN (1 << 1)
+#define FTSDMC021_CR2_ISMR (1 << 2)
+#define FTSDMC021_CR2_IREF (1 << 3)
+#define FTSDMC021_CR2_IPREC (1 << 4)
+#define FTSDMC021_CR2_REFTYPE (1 << 5)
+
+/*
+ * SDRAM External Bank Base/Size Register
+ */
+#define FTSDMC021_BANK_ENABLE (1 << 12)
+
+/* 12-bit base address of external bank.
+ * Default value is 0x800.
+ * The 12-bit equals to the haddr[31:20] of AHB address bus. */
+#define FTSDMC021_BANK_BASE(x) ((x) & 0xfff)
+
+#define FTSDMC021_BANK_SIZE_1M 0x0
+#define FTSDMC021_BANK_SIZE_2M 0x1
+#define FTSDMC021_BANK_SIZE_4M 0x2
+#define FTSDMC021_BANK_SIZE_8M 0x3
+#define FTSDMC021_BANK_SIZE_16M 0x4
+#define FTSDMC021_BANK_SIZE_32M 0x5
+#define FTSDMC021_BANK_SIZE_64M 0x6
+#define FTSDMC021_BANK_SIZE_128M 0x7
+#define FTSDMC021_BANK_SIZE_256M 0x8
+#define FTSDMC021_BANK_SIZE_512M 0x9
+
+/*
+ * Read Arbitration Grant Window Register
+ */
+#define FTSDMC021_RAGR_CH1GW(x) (((x) & 0xff) << 0)
+#define FTSDMC021_RAGR_CH2GW(x) (((x) & 0xff) << 4)
+#define FTSDMC021_RAGR_CH3GW(x) (((x) & 0xff) << 8)
+#define FTSDMC021_RAGR_CH4GW(x) (((x) & 0xff) << 12)
+#define FTSDMC021_RAGR_CH5GW(x) (((x) & 0xff) << 16)
+#define FTSDMC021_RAGR_CH6GW(x) (((x) & 0xff) << 20)
+#define FTSDMC021_RAGR_CH7GW(x) (((x) & 0xff) << 24)
+#define FTSDMC021_RAGR_CH8GW(x) (((x) & 0xff) << 28)
+
+/*
+ * Flush Request Register
+ */
+#define FTSDMC021_FRR_FLUSHCHN(x) (((x) & 0x7) << 0)
+#define FTSDMC021_FRR_FLUSHCMPLT (1 << 3)
+
+/*
+ * External Bus Interface Support Register (EBISR)
+ */
+#define FTSDMC021_EBISR_MR(x) ((x) & 0xfff)
+#define FTSDMC021_EBISR_PRSMR (1 << 12)
+#define FTSDMC021_EBISR_POPREC (1 << 13)
+#define FTSDMC021_EBISR_POSMR (1 << 14)
+
+/*
+ * Controller Revision Register (CRR, Read Only)
+ */
+#define FTSDMC021_CRR_REV_VER (((x) >> 0) & 0xff)
+#define FTSDMC021_CRR_MINOR_VER (((x) >> 8) & 0xff)
+#define FTSDMC021_CRR_MAJOR_VER (((x) >> 16) & 0xff)
+
+/*
+ * Controller Feature Register (CFR, Read Only)
+ */
+#define FTSDMC021_CFR_EBNK (((x) >> 0) & 0xf)
+#define FTSDMC021_CFR_CHN (((x) >> 8) & 0xf)
+#define FTSDMC021_CFR_EBI (((x) >> 16) & 0x1)
+#define FTSDMC021_CFR_CH1_FDEPTH (((x) >> 24) & 0x1)
+#define FTSDMC021_CFR_CH2_FDEPTH (((x) >> 25) & 0x1)
+#define FTSDMC021_CFR_CH3_FDEPTH (((x) >> 26) & 0x1)
+#define FTSDMC021_CFR_CH4_FDEPTH (((x) >> 27) & 0x1)
+#define FTSDMC021_CFR_CH5_FDEPTH (((x) >> 28) & 0x1)
+#define FTSDMC021_CFR_CH6_FDEPTH (((x) >> 29) & 0x1)
+#define FTSDMC021_CFR_CH7_FDEPTH (((x) >> 30) & 0x1)
+#define FTSDMC021_CFR_CH8_FDEPTH (((x) >> 31) & 0x1)
+
+#endif /* __FTSDMC021_H */
--
1.7.3.5
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