| /* |
| * include/asm-v850/v850e2_cache_cache.h -- Cache control for V850E2 |
| * cache memories |
| * |
| * Copyright (C) 2003,05 NEC Electronics Corporation |
| * Copyright (C) 2003,05 Miles Bader <miles@gnu.org> |
| * |
| * This file is subject to the terms and conditions of the GNU General |
| * Public License. See the file COPYING in the main directory of this |
| * archive for more details. |
| * |
| * Written by Miles Bader <miles@gnu.org> |
| */ |
| |
| #ifndef __V850_V850E2_CACHE_H__ |
| #define __V850_V850E2_CACHE_H__ |
| |
| #include <asm/types.h> |
| |
| |
| /* Cache control registers. */ |
| |
| /* Bus Transaction Control */ |
| #define V850E2_CACHE_BTSC_ADDR 0xFFFFF070 |
| #define V850E2_CACHE_BTSC (*(volatile u16 *)V850E2_CACHE_BTSC_ADDR) |
| #define V850E2_CACHE_BTSC_ICM 0x0001 /* icache enable */ |
| #define V850E2_CACHE_BTSC_DCM0 0x0004 /* dcache enable, bit 0 */ |
| #define V850E2_CACHE_BTSC_DCM1 0x0008 /* dcache enable, bit 1 */ |
| #define V850E2_CACHE_BTSC_DCM_WT /* write-through */ \ |
| V850E2_CACHE_BTSC_DCM0 |
| #ifdef CONFIG_V850E2_V850E2S |
| # define V850E2_CACHE_BTSC_DCM_WB_NO_ALLOC /* write-back, non-alloc */ \ |
| V850E2_CACHE_BTSC_DCM1 |
| # define V850E2_CACHE_BTSC_DCM_WB_ALLOC /* write-back, non-alloc */ \ |
| (V850E2_CACHE_BTSC_DCM1 | V850E2_CACHE_BTSC_DCM0) |
| # define V850E2_CACHE_BTSC_ISEQ 0x0010 /* icache `address sequence mode' */ |
| # define V850E2_CACHE_BTSC_DSEQ 0x0020 /* dcache `address sequence mode' */ |
| # define V850E2_CACHE_BTSC_IRFC 0x0030 |
| # define V850E2_CACHE_BTSC_ILCD 0x4000 |
| # define V850E2_CACHE_BTSC_VABE 0x8000 |
| #endif /* CONFIG_V850E2_V850E2S */ |
| |
| /* Cache operation start address register (low-bits). */ |
| #define V850E2_CACHE_CADL_ADDR 0xFFFFF074 |
| #define V850E2_CACHE_CADL (*(volatile u16 *)V850E2_CACHE_CADL_ADDR) |
| /* Cache operation start address register (high-bits). */ |
| #define V850E2_CACHE_CADH_ADDR 0xFFFFF076 |
| #define V850E2_CACHE_CADH (*(volatile u16 *)V850E2_CACHE_CADH_ADDR) |
| /* Cache operation count register. */ |
| #define V850E2_CACHE_CCNT_ADDR 0xFFFFF078 |
| #define V850E2_CACHE_CCNT (*(volatile u16 *)V850E2_CACHE_CCNT_ADDR) |
| /* Cache operation specification register. */ |
| #define V850E2_CACHE_COPR_ADDR 0xFFFFF07A |
| #define V850E2_CACHE_COPR (*(volatile u16 *)V850E2_CACHE_COPR_ADDR) |
| #define V850E2_CACHE_COPR_STRT 0x0001 /* start cache operation */ |
| #define V850E2_CACHE_COPR_LBSL 0x0100 /* 0 = icache, 1 = dcache */ |
| #define V850E2_CACHE_COPR_WSLE 0x0200 /* operate on cache way */ |
| #define V850E2_CACHE_COPR_WSL(way) ((way) * 0x0400) /* way select */ |
| #define V850E2_CACHE_COPR_CFC(op) ((op) * 0x1000) /* cache function code */ |
| |
| |
| /* Size of a cache line in bytes. */ |
| #define V850E2_CACHE_LINE_SIZE_BITS 4 |
| #define V850E2_CACHE_LINE_SIZE (1 << V850E2_CACHE_LINE_SIZE_BITS) |
| |
| /* The size of each cache `way' in lines. */ |
| #define V850E2_CACHE_WAY_SIZE 256 |
| |
| |
| /* For <asm/cache.h> */ |
| #define L1_CACHE_BYTES V850E2_CACHE_LINE_SIZE |
| #define L1_CACHE_SHIFT V850E2_CACHE_LINE_SIZE_BITS |
| |
| |
| #endif /* __V850_V850E2_CACHE_H__ */ |
