diff options
Diffstat (limited to 'hw/sh7750_regs.h')
| -rw-r--r-- | hw/sh7750_regs.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/hw/sh7750_regs.h b/hw/sh7750_regs.h index 44ae95be2b..6b18ad2e15 100644 --- a/hw/sh7750_regs.h +++ b/hw/sh7750_regs.h @@ -12,26 +12,26 @@ * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. - * + * * @(#) sh7750_regs.h,v 1.2.4.1 2003/09/04 18:46:00 joel Exp */ #ifndef __SH7750_REGS_H__ #define __SH7750_REGS_H__ -/* - * All register has 2 addresses: in 0xff000000 - 0xffffffff (P4 address) and +/* + * All register has 2 addresses: in 0xff000000 - 0xffffffff (P4 address) and * in 0x1f000000 - 0x1fffffff (area 7 address) */ -#define SH7750_P4_BASE 0xff000000 /* Accessable only in +#define SH7750_P4_BASE 0xff000000 /* Accessable only in priveleged mode */ #define SH7750_A7_BASE 0x1f000000 /* Accessable only using TLB */ #define SH7750_P4_REG32(ofs) (SH7750_P4_BASE + (ofs)) #define SH7750_A7_REG32(ofs) (SH7750_A7_BASE + (ofs)) -/* - * MMU Registers +/* + * MMU Registers */ /* Page Table Entry High register - PTEH */ @@ -61,9 +61,9 @@ #define SH7750_PTEL_PR_RWPO 0x00000020 /* read-write in priv mode */ #define SH7750_PTEL_PR_ROPU 0x00000040 /* read-only in priv or user mode */ #define SH7750_PTEL_PR_RWPU 0x00000060 /* read-write in priv or user mode */ -#define SH7750_PTEL_C 0x00000008 /* Cacheability +#define SH7750_PTEL_C 0x00000008 /* Cacheability (0 - page not cacheable) */ -#define SH7750_PTEL_D 0x00000004 /* Dirty bit (1 - write has been +#define SH7750_PTEL_D 0x00000004 /* Dirty bit (1 - write has been performed to a page) */ #define SH7750_PTEL_SH 0x00000002 /* Share Status bit (1 - page are shared by processes) */ @@ -130,12 +130,12 @@ #define SH7750_CCR_A7 SH7750_A7_REG32(SH7750_CCR_REGOFS) #define SH7750_CCR_IIX 0x00008000 /* IC index enable bit */ -#define SH7750_CCR_ICI 0x00000800 /* IC invalidation bit: +#define SH7750_CCR_ICI 0x00000800 /* IC invalidation bit: set it to clear IC */ #define SH7750_CCR_ICE 0x00000100 /* IC enable bit */ #define SH7750_CCR_OIX 0x00000080 /* OC index enable bit */ -#define SH7750_CCR_ORA 0x00000020 /* OC RAM enable bit - if you set OCE = 0, +#define SH7750_CCR_ORA 0x00000020 /* OC RAM enable bit + if you set OCE = 0, you should set ORA = 0 */ #define SH7750_CCR_OCI 0x00000008 /* OC invalidation bit */ #define SH7750_CCR_CB 0x00000004 /* Copy-back bit for P1 area */ @@ -254,7 +254,7 @@ /* Peripheral Module Interrupts - Memory Refresh Unit (REF) */ #define SH7750_EVT_REF_RCMI 0x580 /* Compare-match Interrupt */ -#define SH7750_EVT_REF_ROVI 0x5A0 /* Refresh Counter Overflow +#define SH7750_EVT_REF_ROVI 0x5A0 /* Refresh Counter Overflow interrupt */ /* Peripheral Module Interrupts - Hitachi User Debug Interface (H-UDI) */ @@ -331,7 +331,7 @@ #define SH7750_FRQCR SH7750_P4_REG32(SH7750_FRQCR_REGOFS) #define SH7750_FRQCR_A7 SH7750_A7_REG32(SH7750_FRQCR_REGOFS) -#define SH7750_FRQCR_CKOEN 0x0800 /* Clock Output Enable +#define SH7750_FRQCR_CKOEN 0x0800 /* Clock Output Enable 0 - CKIO pin goes to HiZ/pullup 1 - Clock is output from CKIO */ #define SH7750_FRQCR_PLL1EN 0x0400 /* PLL circuit 1 enable */ @@ -643,7 +643,7 @@ #define SH7750_BCR1_BREQEN 0x00080000 /* BREQ Enable: 0 - External requests are not accepted - 1 - External requests are + 1 - External requests are accepted */ #define SH7750_BCR1_PSHR 0x00040000 /* Partial Sharing Bit: 0 - Master Mode @@ -877,7 +877,7 @@ #define SH7750_MCR_TCAS_1 0x00000000 /* 1 */ #define SH7750_MCR_TCAS_2 0x00800000 /* 2 */ -#define SH7750_MCR_TPC 0x00380000 /* DRAM: RAS Precharge Period +#define SH7750_MCR_TPC 0x00380000 /* DRAM: RAS Precharge Period SDRAM: minimum number of cycles until the next bank active cmd is output after precharging */ @@ -1148,7 +1148,7 @@ #define SH7750_CHCR_DSA_AMEM16 0x0E000000 /* 16-bit attribute memory space */ #define SH7750_CHCR_DTC 0x01000000 /* Destination Address Wait Control - Select, specifies CS5 or CS6 + Select, specifies CS5 or CS6 space wait control for PCMCIA access */ @@ -1186,8 +1186,8 @@ Address Mode (External Addr Space -> External Device) */ #define SH7750_CHCR_RS_ER_SA_ED_TO_EA 0x300 /* External Request, Single - Address Mode, (External - Device -> External Addr + Address Mode, (External + Device -> External Addr Space) */ #define SH7750_CHCR_RS_AR_EA_TO_EA 0x400 /* Auto-Request (External Addr Space -> External Addr Space) */ @@ -1195,7 +1195,7 @@ #define SH7750_CHCR_RS_AR_EA_TO_OCP 0x500 /* Auto-Request (External Addr Space -> On-chip Peripheral Module) */ -#define SH7750_CHCR_RS_AR_OCP_TO_EA 0x600 /* Auto-Request (On-chip +#define SH7750_CHCR_RS_AR_OCP_TO_EA 0x600 /* Auto-Request (On-chip Peripheral Module -> External Addr Space */ #define SH7750_CHCR_RS_SCITX_EA_TO_SC 0x800 /* SCI Transmit-Data-Empty intr @@ -1596,7 +1596,7 @@ #define SH7750_IPRC_HUDI_S 0 -/* +/* * User Break Controller registers */ #define SH7750_BARA 0x200000 /* Break address regiser A */ |