| /* |
| * ColdFire cache |
| * |
| * Copyright 2004-2012 Freescale Semiconductor, Inc. |
| * TsiChung Liew (Tsi-Chung.Liew@freescale.com) |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __CACHE_H |
| #define __CACHE_H |
| |
| #if defined(CONFIG_MCF520x) || defined(CONFIG_MCF523x) || \ |
| defined(CONFIG_MCF52x2) || defined(CONFIG_MCF5227x) |
| #define CONFIG_CF_V2 |
| #endif |
| |
| #if defined(CONFIG_MCF532x) || defined(CONFIG_MCF5301x) |
| #define CONFIG_CF_V3 |
| #endif |
| |
| #if defined(CONFIG_MCF547x_8x) || defined(CONFIG_MCF5445x) |
| #define CONFIG_CF_V4 |
| #elif defined(CONFIG_MCF5441x) |
| #define CONFIG_CF_V4E /* Four Extra ACRn */ |
| #endif |
| |
| /* ***** CACR ***** */ |
| /* V2 Core */ |
| #ifdef CONFIG_CF_V2 |
| |
| #define CF_CACR_CENB (1 << 31) |
| #define CF_CACR_CPD (1 << 28) |
| #define CF_CACR_CFRZ (1 << 27) |
| #define CF_CACR_CEIB (1 << 10) |
| #define CF_CACR_DCM (1 << 9) |
| #define CF_CACR_DBWE (1 << 8) |
| |
| #if defined(CONFIG_MCF5249) || defined(CONFIG_MCF5253) |
| #define CF_CACR_DWP (1 << 6) |
| #else |
| #define CF_CACR_CINV (1 << 24) |
| #define CF_CACR_DISI (1 << 23) |
| #define CF_CACR_DISD (1 << 22) |
| #define CF_CACR_INVI (1 << 21) |
| #define CF_CACR_INVD (1 << 20) |
| #define CF_CACR_DWP (1 << 5) |
| #define CF_CACR_EUSP (1 << 4) |
| #endif /* CONFIG_MCF5249 || CONFIG_MCF5253 */ |
| |
| #endif /* CONFIG_CF_V2 */ |
| |
| /* V3 Core */ |
| #ifdef CONFIG_CF_V3 |
| |
| #define CF_CACR_EC (1 << 31) |
| #define CF_CACR_ESB (1 << 29) |
| #define CF_CACR_DPI (1 << 28) |
| #define CF_CACR_HLCK (1 << 27) |
| #define CF_CACR_CINVA (1 << 24) |
| #define CF_CACR_DNFB (1 << 10) |
| #define CF_CACR_DCM_UNMASK 0xFFFFFCFF |
| #define CF_CACR_DCM_WT (0 << 8) |
| #define CF_CACR_DCM_CB (1 << 8) |
| #define CF_CACR_DCM_P (2 << 8) |
| #define CF_CACR_DCM_IP (3 << 8) |
| #define CF_CACR_DW (1 << 5) |
| #define CF_CACR_EUSP (1 << 4) |
| |
| #endif /* CONFIG_CF_V3 */ |
| |
| /* V4 Core */ |
| #if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E) |
| |
| #define CF_CACR_DEC (1 << 31) |
| #define CF_CACR_DW (1 << 30) |
| #define CF_CACR_DESB (1 << 29) |
| #define CF_CACR_DDPI (1 << 28) |
| #define CF_CACR_DHLCK (1 << 27) |
| #define CF_CACR_DDCM_UNMASK (0xF9FFFFFF) |
| #define CF_CACR_DDCM_WT (0 << 25) |
| #define CF_CACR_DDCM_CB (1 << 25) |
| #define CF_CACR_DDCM_P (2 << 25) |
| #define CF_CACR_DDCM_IP (3 << 25) |
| #define CF_CACR_DCINVA (1 << 24) |
| |
| #define CF_CACR_DDSP (1 << 23) |
| #define CF_CACR_BEC (1 << 19) |
| #define CF_CACR_BCINVA (1 << 18) |
| #define CF_CACR_IEC (1 << 15) |
| #define CF_CACR_DNFB (1 << 13) |
| #define CF_CACR_IDPI (1 << 12) |
| #define CF_CACR_IHLCK (1 << 11) |
| #define CF_CACR_IDCM (1 << 10) |
| #define CF_CACR_ICINVA (1 << 8) |
| #define CF_CACR_IDSP (1 << 7) |
| #define CF_CACR_EUSP (1 << 5) |
| |
| #if defined(CONFIG_MCF5445x) || defined(CONFIG_MCF5441x) |
| #define CF_CACR_IVO (1 << 20) |
| #define CF_CACR_SPA (1 << 14) |
| #else |
| #define CF_CACR_DF (1 << 4) |
| #endif |
| |
| #endif /* CONFIG_CF_V4 */ |
| |
| /* ***** ACR ***** */ |
| #define CF_ACR_ADR_UNMASK (0x00FFFFFF) |
| #define CF_ACR_ADR(x) ((x & 0xFF) << 24) |
| #define CF_ACR_ADRMSK_UNMASK (0xFF00FFFF) |
| #define CF_ACR_ADRMSK(x) ((x & 0xFF) << 16) |
| #define CF_ACR_EN (1 << 15) |
| #define CF_ACR_SM_UNMASK (0xFFFF9FFF) |
| #define CF_ACR_SM_UM (0 << 13) |
| #define CF_ACR_SM_SM (1 << 13) |
| #define CF_ACR_SM_ALL (3 << 13) |
| #define CF_ACR_WP (1 << 2) |
| |
| /* V2 Core */ |
| #ifdef CONFIG_CF_V2 |
| #define CF_ACR_CM (1 << 6) |
| #define CF_ACR_BWE (1 << 5) |
| #else |
| /* V3 & V4 */ |
| #define CF_ACR_CM_UNMASK (0xFFFFFF9F) |
| #define CF_ACR_CM_WT (0 << 5) |
| #define CF_ACR_CM_CB (1 << 5) |
| #define CF_ACR_CM_P (2 << 5) |
| #define CF_ACR_CM_IP (3 << 5) |
| #endif /* CONFIG_CF_V2 */ |
| |
| /* V4 Core */ |
| #if defined(CONFIG_CF_V4) || defined(CONFIG_CF_V4E) |
| #define CF_ACR_AMM (1 << 10) |
| #define CF_ACR_SP (1 << 3) |
| #endif /* CONFIG_CF_V4 */ |
| |
| |
| #ifndef CONFIG_SYS_CACHE_ICACR |
| #define CONFIG_SYS_CACHE_ICACR 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_DCACR |
| #ifdef CONFIG_SYS_CACHE_ICACR |
| #define CONFIG_SYS_CACHE_DCACR CONFIG_SYS_CACHE_ICACR |
| #else |
| #define CONFIG_SYS_CACHE_DCACR 0 |
| #endif |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR0 |
| #define CONFIG_SYS_CACHE_ACR0 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR1 |
| #define CONFIG_SYS_CACHE_ACR1 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR2 |
| #define CONFIG_SYS_CACHE_ACR2 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR3 |
| #define CONFIG_SYS_CACHE_ACR3 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR4 |
| #define CONFIG_SYS_CACHE_ACR4 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR5 |
| #define CONFIG_SYS_CACHE_ACR5 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR6 |
| #define CONFIG_SYS_CACHE_ACR6 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_CACHE_ACR7 |
| #define CONFIG_SYS_CACHE_ACR7 0 |
| #endif |
| |
| #define CF_ADDRMASK(x) (((x > 0x10) ? ((x >> 4) - 1) : (x)) << 16) |
| |
| #ifndef __ASSEMBLY__ /* put C only stuff in this section */ |
| |
| void icache_invalid(void); |
| void dcache_invalid(void); |
| |
| #endif |
| |
| /* |
| * m68k uses 16 byte L1 data cache line sizes. Use this for DMA buffer |
| * alignment unless the board configuration has specified a new value. |
| */ |
| #ifdef CONFIG_SYS_CACHELINE_SIZE |
| #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE |
| #else |
| #define ARCH_DMA_MINALIGN 16 |
| #endif |
| |
| #endif /* __CACHE_H */ |
