| Current File : //lib/modules/6.8.0-59-generic/build/arch/mips/include/asm/mach-rc32434/ddr.h |
/*
* 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_ */