diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8220/dramSetup.h')
| -rw-r--r-- | arch/powerpc/cpu/mpc8220/dramSetup.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/arch/powerpc/cpu/mpc8220/dramSetup.h b/arch/powerpc/cpu/mpc8220/dramSetup.h deleted file mode 100644 index 3b64e088cd..0000000000 --- a/arch/powerpc/cpu/mpc8220/dramSetup.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * dramSetup.h - * - * Prototypes, etc. for the Motorola MPC8220 - * embedded cpu chips - * - * 2004 (c) Freescale, Inc. - * Author: TsiChung Liew <Tsi-Chung.Liew@freescale.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#ifndef __INCdramsetuph -#define __INCdramsetuph -#ifndef __ASSEMBLY__ -/* Where various things are in the SPD */ -#define LOC_TYPE 2 -#define LOC_CHECKSUM 63 -#define LOC_PHYS_BANKS 5 -#define LOC_LOGICAL_BANKS 17 -#define LOC_ROWS 3 -#define LOC_COLS 4 -#define LOC_WIDTH_HIGH 7 -#define LOC_WIDTH_LOW 6 -#define LOC_REFRESH 12 -#define LOC_BURSTS 16 -#define LOC_CAS 18 -#define LOC_CS 19 -#define LOC_WE 20 -#define LOC_Tcyc 9 -#define LOC_Tac 10 -#define LOC_Trp 27 -#define LOC_Trrd 28 -#define LOC_Trcd 29 -#define LOC_Tras 30 -#define LOC_Buffered 21 -/* Types of memory the SPD can tell us about. - * We can actually only use SDRAM and DDR. - */ -#define TYPE_DRAM 1 /* plain old dram */ -#define TYPE_EDO 2 /* EDO dram */ -#define TYPE_Nibble 3 /* serial nibble memory */ -#define TYPE_SDR 4 /* SDRAM */ -#define TYPE_ROM 5 /* */ -#define TYPE_SGRRAM 6 /* graphics memory */ -#define TYPE_DDR 7 /* DDR sdram */ -#define SDRAMDS_MASK 0x3 /* each field is 2 bits wide */ -#define SDRAMDS_SBE_SHIFT 8 /* Clock enable drive strength */ -#define SDRAMDS_SBC_SHIFT 6 /* Clocks drive strength */ -#define SDRAMDS_SBA_SHIFT 4 /* Address drive strength */ -#define SDRAMDS_SBS_SHIFT 2 /* SDR DQS drive strength */ -#define SDRAMDS_SBD_SHIFT 0 /* Data and DQS drive strength */ -#define DRIVE_STRENGTH_HIGH 0 -#define DRIVE_STRENGTH_MED 1 -#define DRIVE_STRENGTH_LOW 2 -#define DRIVE_STRENGTH_OFF 3 - -#define OK 0 -#define ERROR -1 -/* Structure to hold information about address muxing. */ - typedef struct tagMuxDescriptor { - u8 MuxValue; - u8 Columns; - u8 Rows; - u8 MoreColumns; -} muxdesc_t; - -/* Structure to define one physical bank of - * memory. Note that dram size in bytes is - * (2^^(rows+columns)) * width * banks / 8 -*/ -typedef struct tagDramInfo { - u32 size; /* size in bytes */ - u32 base; /* base address */ - u8 ordinal; /* where in the memory map will we put this */ - u8 type; - u8 rows; - u8 cols; - u16 width; /* width of each chip in bits */ - u8 banks; /* number of chips, aka logical banks */ - u8 bursts; /* bit-encoded allowable burst length */ - u8 CAS; /* bit-encoded CAS latency values */ - u8 CS; /* bit-encoded CS latency values */ - u8 WE; /* bit-encoded WE latency values */ - u8 Trp; /* bit-encoded row precharge time */ - u8 Trcd; /* bit-encoded RAS to CAS delay */ - u8 buffered; /* buffered or not */ - u8 refresh; /* encoded refresh rate */ -} draminfo_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* __INCdramsetuph */ |
