--- /dev/null
+/*
+ * 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 */
Code Review / kvmfornfv.git / blobdiff