221 строка
7.1 KiB
C
221 строка
7.1 KiB
C
/* arch/arm/mach-s3c2410/include/mach/regs-mem.h
|
|
*
|
|
* Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
|
|
* http://www.simtec.co.uk/products/SWLINUX/
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* S3C2410 Memory Control register definitions
|
|
*/
|
|
|
|
#ifndef __ASM_ARM_MEMREGS_H
|
|
#define __ASM_ARM_MEMREGS_H
|
|
|
|
#ifndef S3C2410_MEMREG
|
|
#define S3C2410_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x))
|
|
#endif
|
|
|
|
/* bus width, and wait state control */
|
|
#define S3C2410_BWSCON S3C2410_MEMREG(0x0000)
|
|
|
|
/* bank zero config - note, pinstrapped from OM pins! */
|
|
#define S3C2410_BWSCON_DW0_16 (1<<1)
|
|
#define S3C2410_BWSCON_DW0_32 (2<<1)
|
|
|
|
/* bank one configs */
|
|
#define S3C2410_BWSCON_DW1_8 (0<<4)
|
|
#define S3C2410_BWSCON_DW1_16 (1<<4)
|
|
#define S3C2410_BWSCON_DW1_32 (2<<4)
|
|
#define S3C2410_BWSCON_WS1 (1<<6)
|
|
#define S3C2410_BWSCON_ST1 (1<<7)
|
|
|
|
/* bank 2 configurations */
|
|
#define S3C2410_BWSCON_DW2_8 (0<<8)
|
|
#define S3C2410_BWSCON_DW2_16 (1<<8)
|
|
#define S3C2410_BWSCON_DW2_32 (2<<8)
|
|
#define S3C2410_BWSCON_WS2 (1<<10)
|
|
#define S3C2410_BWSCON_ST2 (1<<11)
|
|
|
|
/* bank 3 configurations */
|
|
#define S3C2410_BWSCON_DW3_8 (0<<12)
|
|
#define S3C2410_BWSCON_DW3_16 (1<<12)
|
|
#define S3C2410_BWSCON_DW3_32 (2<<12)
|
|
#define S3C2410_BWSCON_WS3 (1<<14)
|
|
#define S3C2410_BWSCON_ST3 (1<<15)
|
|
|
|
/* bank 4 configurations */
|
|
#define S3C2410_BWSCON_DW4_8 (0<<16)
|
|
#define S3C2410_BWSCON_DW4_16 (1<<16)
|
|
#define S3C2410_BWSCON_DW4_32 (2<<16)
|
|
#define S3C2410_BWSCON_WS4 (1<<18)
|
|
#define S3C2410_BWSCON_ST4 (1<<19)
|
|
|
|
/* bank 5 configurations */
|
|
#define S3C2410_BWSCON_DW5_8 (0<<20)
|
|
#define S3C2410_BWSCON_DW5_16 (1<<20)
|
|
#define S3C2410_BWSCON_DW5_32 (2<<20)
|
|
#define S3C2410_BWSCON_WS5 (1<<22)
|
|
#define S3C2410_BWSCON_ST5 (1<<23)
|
|
|
|
/* bank 6 configurations */
|
|
#define S3C2410_BWSCON_DW6_8 (0<<24)
|
|
#define S3C2410_BWSCON_DW6_16 (1<<24)
|
|
#define S3C2410_BWSCON_DW6_32 (2<<24)
|
|
#define S3C2410_BWSCON_WS6 (1<<26)
|
|
#define S3C2410_BWSCON_ST6 (1<<27)
|
|
|
|
/* bank 7 configurations */
|
|
#define S3C2410_BWSCON_DW7_8 (0<<28)
|
|
#define S3C2410_BWSCON_DW7_16 (1<<28)
|
|
#define S3C2410_BWSCON_DW7_32 (2<<28)
|
|
#define S3C2410_BWSCON_WS7 (1<<30)
|
|
#define S3C2410_BWSCON_ST7 (1<<31)
|
|
|
|
/* memory set (rom, ram) */
|
|
#define S3C2410_BANKCON0 S3C2410_MEMREG(0x0004)
|
|
#define S3C2410_BANKCON1 S3C2410_MEMREG(0x0008)
|
|
#define S3C2410_BANKCON2 S3C2410_MEMREG(0x000C)
|
|
#define S3C2410_BANKCON3 S3C2410_MEMREG(0x0010)
|
|
#define S3C2410_BANKCON4 S3C2410_MEMREG(0x0014)
|
|
#define S3C2410_BANKCON5 S3C2410_MEMREG(0x0018)
|
|
#define S3C2410_BANKCON6 S3C2410_MEMREG(0x001C)
|
|
#define S3C2410_BANKCON7 S3C2410_MEMREG(0x0020)
|
|
|
|
/* bank configuration registers */
|
|
|
|
#define S3C2410_BANKCON_PMCnorm (0x00)
|
|
#define S3C2410_BANKCON_PMC4 (0x01)
|
|
#define S3C2410_BANKCON_PMC8 (0x02)
|
|
#define S3C2410_BANKCON_PMC16 (0x03)
|
|
|
|
/* bank configurations for banks 0..7, note banks
|
|
* 6 and 7 have differnt configurations depending on
|
|
* the memory type bits */
|
|
|
|
#define S3C2410_BANKCON_Tacp2 (0x0 << 2)
|
|
#define S3C2410_BANKCON_Tacp3 (0x1 << 2)
|
|
#define S3C2410_BANKCON_Tacp4 (0x2 << 2)
|
|
#define S3C2410_BANKCON_Tacp6 (0x3 << 2)
|
|
#define S3C2410_BANKCON_Tacp_SHIFT (2)
|
|
|
|
#define S3C2410_BANKCON_Tcah0 (0x0 << 4)
|
|
#define S3C2410_BANKCON_Tcah1 (0x1 << 4)
|
|
#define S3C2410_BANKCON_Tcah2 (0x2 << 4)
|
|
#define S3C2410_BANKCON_Tcah4 (0x3 << 4)
|
|
#define S3C2410_BANKCON_Tcah_SHIFT (4)
|
|
|
|
#define S3C2410_BANKCON_Tcoh0 (0x0 << 6)
|
|
#define S3C2410_BANKCON_Tcoh1 (0x1 << 6)
|
|
#define S3C2410_BANKCON_Tcoh2 (0x2 << 6)
|
|
#define S3C2410_BANKCON_Tcoh4 (0x3 << 6)
|
|
#define S3C2410_BANKCON_Tcoh_SHIFT (6)
|
|
|
|
#define S3C2410_BANKCON_Tacc1 (0x0 << 8)
|
|
#define S3C2410_BANKCON_Tacc2 (0x1 << 8)
|
|
#define S3C2410_BANKCON_Tacc3 (0x2 << 8)
|
|
#define S3C2410_BANKCON_Tacc4 (0x3 << 8)
|
|
#define S3C2410_BANKCON_Tacc6 (0x4 << 8)
|
|
#define S3C2410_BANKCON_Tacc8 (0x5 << 8)
|
|
#define S3C2410_BANKCON_Tacc10 (0x6 << 8)
|
|
#define S3C2410_BANKCON_Tacc14 (0x7 << 8)
|
|
#define S3C2410_BANKCON_Tacc_SHIFT (8)
|
|
|
|
#define S3C2410_BANKCON_Tcos0 (0x0 << 11)
|
|
#define S3C2410_BANKCON_Tcos1 (0x1 << 11)
|
|
#define S3C2410_BANKCON_Tcos2 (0x2 << 11)
|
|
#define S3C2410_BANKCON_Tcos4 (0x3 << 11)
|
|
#define S3C2410_BANKCON_Tcos_SHIFT (11)
|
|
|
|
#define S3C2410_BANKCON_Tacs0 (0x0 << 13)
|
|
#define S3C2410_BANKCON_Tacs1 (0x1 << 13)
|
|
#define S3C2410_BANKCON_Tacs2 (0x2 << 13)
|
|
#define S3C2410_BANKCON_Tacs4 (0x3 << 13)
|
|
#define S3C2410_BANKCON_Tacs_SHIFT (13)
|
|
|
|
#define S3C2410_BANKCON_SRAM (0x0 << 15)
|
|
#define S3C2400_BANKCON_EDODRAM (0x2 << 15)
|
|
#define S3C2410_BANKCON_SDRAM (0x3 << 15)
|
|
|
|
/* next bits only for EDO DRAM in 6,7 */
|
|
#define S3C2400_BANKCON_EDO_Trcd1 (0x00 << 4)
|
|
#define S3C2400_BANKCON_EDO_Trcd2 (0x01 << 4)
|
|
#define S3C2400_BANKCON_EDO_Trcd3 (0x02 << 4)
|
|
#define S3C2400_BANKCON_EDO_Trcd4 (0x03 << 4)
|
|
|
|
/* CAS pulse width */
|
|
#define S3C2400_BANKCON_EDO_PULSE1 (0x00 << 3)
|
|
#define S3C2400_BANKCON_EDO_PULSE2 (0x01 << 3)
|
|
|
|
/* CAS pre-charge */
|
|
#define S3C2400_BANKCON_EDO_TCP1 (0x00 << 2)
|
|
#define S3C2400_BANKCON_EDO_TCP2 (0x01 << 2)
|
|
|
|
/* control column address select */
|
|
#define S3C2400_BANKCON_EDO_SCANb8 (0x00 << 0)
|
|
#define S3C2400_BANKCON_EDO_SCANb9 (0x01 << 0)
|
|
#define S3C2400_BANKCON_EDO_SCANb10 (0x02 << 0)
|
|
#define S3C2400_BANKCON_EDO_SCANb11 (0x03 << 0)
|
|
|
|
/* next bits only for SDRAM in 6,7 */
|
|
#define S3C2410_BANKCON_Trcd2 (0x00 << 2)
|
|
#define S3C2410_BANKCON_Trcd3 (0x01 << 2)
|
|
#define S3C2410_BANKCON_Trcd4 (0x02 << 2)
|
|
|
|
/* control column address select */
|
|
#define S3C2410_BANKCON_SCANb8 (0x00 << 0)
|
|
#define S3C2410_BANKCON_SCANb9 (0x01 << 0)
|
|
#define S3C2410_BANKCON_SCANb10 (0x02 << 0)
|
|
|
|
#define S3C2410_REFRESH S3C2410_MEMREG(0x0024)
|
|
#define S3C2410_BANKSIZE S3C2410_MEMREG(0x0028)
|
|
#define S3C2410_MRSRB6 S3C2410_MEMREG(0x002C)
|
|
#define S3C2410_MRSRB7 S3C2410_MEMREG(0x0030)
|
|
|
|
/* refresh control */
|
|
|
|
#define S3C2410_REFRESH_REFEN (1<<23)
|
|
#define S3C2410_REFRESH_SELF (1<<22)
|
|
#define S3C2410_REFRESH_REFCOUNTER ((1<<11)-1)
|
|
|
|
#define S3C2410_REFRESH_TRP_MASK (3<<20)
|
|
#define S3C2410_REFRESH_TRP_2clk (0<<20)
|
|
#define S3C2410_REFRESH_TRP_3clk (1<<20)
|
|
#define S3C2410_REFRESH_TRP_4clk (2<<20)
|
|
|
|
#define S3C2400_REFRESH_DRAM_TRP_MASK (3<<20)
|
|
#define S3C2400_REFRESH_DRAM_TRP_1_5clk (0<<20)
|
|
#define S3C2400_REFRESH_DRAM_TRP_2_5clk (1<<20)
|
|
#define S3C2400_REFRESH_DRAM_TRP_3_5clk (2<<20)
|
|
#define S3C2400_REFRESH_DRAM_TRP_4_5clk (3<<20)
|
|
|
|
#define S3C2410_REFRESH_TSRC_MASK (3<<18)
|
|
#define S3C2410_REFRESH_TSRC_4clk (0<<18)
|
|
#define S3C2410_REFRESH_TSRC_5clk (1<<18)
|
|
#define S3C2410_REFRESH_TSRC_6clk (2<<18)
|
|
#define S3C2410_REFRESH_TSRC_7clk (3<<18)
|
|
|
|
|
|
/* mode select register(s) */
|
|
|
|
#define S3C2410_MRSRB_CL1 (0x00 << 4)
|
|
#define S3C2410_MRSRB_CL2 (0x02 << 4)
|
|
#define S3C2410_MRSRB_CL3 (0x03 << 4)
|
|
|
|
/* bank size register */
|
|
#define S3C2410_BANKSIZE_128M (0x2 << 0)
|
|
#define S3C2410_BANKSIZE_64M (0x1 << 0)
|
|
#define S3C2410_BANKSIZE_32M (0x0 << 0)
|
|
#define S3C2410_BANKSIZE_16M (0x7 << 0)
|
|
#define S3C2410_BANKSIZE_8M (0x6 << 0)
|
|
#define S3C2410_BANKSIZE_4M (0x5 << 0)
|
|
#define S3C2410_BANKSIZE_2M (0x4 << 0)
|
|
#define S3C2410_BANKSIZE_MASK (0x7 << 0)
|
|
#define S3C2400_BANKSIZE_MASK (0x4 << 0)
|
|
#define S3C2410_BANKSIZE_SCLK_EN (1<<4)
|
|
#define S3C2410_BANKSIZE_SCKE_EN (1<<5)
|
|
#define S3C2410_BANKSIZE_BURST (1<<7)
|
|
|
|
#endif /* __ASM_ARM_MEMREGS_H */
|