ColdFire: Cache update for all platforms

The CF will call cache functions in lib_m68/cache.c and the
cache settings are defined in platform configuration file.

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>

1 files changed, 210 insertions, 0 deletions

diff --git a/include/asm-m68k/cache.h b/include/asm-m68k/cache.h
new file mode 100644
index 0000000..7c84e48
--- /dev/null
+++ b/include/asm-m68k/cache.h
@@ -0,0 +1,210 @@
+/*
+ * ColdFire cache
+ *
+ * Copyright (C) 2004-2010 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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
+#if defined(CONFIG_MCF5441x)
+#define CONFIG_CF_V4E		/* Four Extra ACRn */
+#endif
+#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 */
+#ifdef CONFIG_CF_V4
+
+#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)
+
+#ifdef CONFIG_MCF5445x
+#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 */
+#ifdef CONFIG_CF_V4
+#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
+
+#endif				/* __CACHE_H */