diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/include/mach/regs-mem.h')
| -rw-r--r-- | arch/arm/mach-s3c24xx/include/mach/regs-mem.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-mem.h b/arch/arm/mach-s3c24xx/include/mach/regs-mem.h new file mode 100644 index 000000000000..e0c67b0163d8 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/regs-mem.h @@ -0,0 +1,202 @@ +/* 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) + +/* accesor functions for getting BANK(n) configuration. (n != 0) */ + +#define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf) + +#define S3C2410_BWSCON_DW8 (0) +#define S3C2410_BWSCON_DW16 (1) +#define S3C2410_BWSCON_DW32 (2) +#define S3C2410_BWSCON_WS (1 << 2) +#define S3C2410_BWSCON_ST (1 << 3) + +/* 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 different 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 S3C2410_BANKCON_SDRAM (0x3 << 15) + +/* 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 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 S3C2410_BANKSIZE_SCLK_EN (1<<4) +#define S3C2410_BANKSIZE_SCKE_EN (1<<5) +#define S3C2410_BANKSIZE_BURST (1<<7) + +#endif /* __ASM_ARM_MEMREGS_H */ |