# arch/blackfin/kernel/cplb-nompu/Makefile
#
-obj-y := cplbinit.o cacheinit.o cplbmgr.o
+obj-y := cplbinit.o cplbmgr.o
CFLAGS_cplbmgr.o := -ffixed-I0 -ffixed-I1 -ffixed-I2 -ffixed-I3 \
-ffixed-L0 -ffixed-L1 -ffixed-L2 -ffixed-L3 \
+++ /dev/null
-/*
- * Copyright 2004-2007 Analog Devices Inc.
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/cpu.h>
-
-#include <asm/cacheflush.h>
-#include <asm/blackfin.h>
-#include <asm/cplb.h>
-#include <asm/cplbinit.h>
-
-#if defined(CONFIG_BFIN_ICACHE)
-void __cpuinit bfin_icache_init(struct cplb_entry *icplb_tbl)
-{
- unsigned long ctrl;
- int i;
-
- for (i = 0; i < MAX_CPLBS; i++) {
- bfin_write32(ICPLB_ADDR0 + i * 4, icplb_tbl[i].addr);
- bfin_write32(ICPLB_DATA0 + i * 4, icplb_tbl[i].data);
- }
- ctrl = bfin_read_IMEM_CONTROL();
- ctrl |= IMC | ENICPLB;
- /* CSYNC to ensure load store ordering */
- CSYNC();
- bfin_write_IMEM_CONTROL(ctrl);
- SSYNC();
-}
-#endif
-
-#if defined(CONFIG_BFIN_DCACHE)
-void __cpuinit bfin_dcache_init(struct cplb_entry *dcplb_tbl)
-{
- unsigned long ctrl;
- int i;
-
- for (i = 0; i < MAX_CPLBS; i++) {
- bfin_write32(DCPLB_ADDR0 + i * 4, dcplb_tbl[i].addr);
- bfin_write32(DCPLB_DATA0 + i * 4, dcplb_tbl[i].data);
- }
-
- ctrl = bfin_read_DMEM_CONTROL();
-
- /*
- * Anomaly notes:
- * 05000287 - We implement workaround #2 - Change the DMEM_CONTROL
- * register, so that the port preferences for DAG0 and DAG1 are set
- * to port B
- */
- ctrl |= DMEM_CNTR | PORT_PREF0 | (ANOMALY_05000287 ? PORT_PREF1 : 0);
- /* CSYNC to ensure load store ordering */
- CSYNC();
- bfin_write_DMEM_CONTROL(ctrl);
- SSYNC();
-}
-#endif
# arch/blackfin/kernel/cplb-nompu/Makefile
#
-obj-y := cplbinit.o cacheinit.o cplbmgr.o
+obj-y := cplbinit.o cplbmgr.o
CFLAGS_cplbmgr.o := -ffixed-I0 -ffixed-I1 -ffixed-I2 -ffixed-I3 \
-ffixed-L0 -ffixed-L1 -ffixed-L2 -ffixed-L3 \
+++ /dev/null
-/*
- * Copyright 2004-2007 Analog Devices Inc.
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/cpu.h>
-
-#include <asm/cacheflush.h>
-#include <asm/blackfin.h>
-#include <asm/cplb.h>
-#include <asm/cplbinit.h>
-
-#if defined(CONFIG_BFIN_ICACHE)
-void __cpuinit bfin_icache_init(struct cplb_entry *icplb_tbl)
-{
- unsigned long ctrl;
- int i;
-
- for (i = 0; i < MAX_CPLBS; i++) {
- bfin_write32(ICPLB_ADDR0 + i * 4, icplb_tbl[i].addr);
- bfin_write32(ICPLB_DATA0 + i * 4, icplb_tbl[i].data);
- }
- ctrl = bfin_read_IMEM_CONTROL();
- ctrl |= IMC | ENICPLB;
- /* CSYNC to ensure load store ordering */
- CSYNC();
- bfin_write_IMEM_CONTROL(ctrl);
- SSYNC();
-}
-#endif
-
-#if defined(CONFIG_BFIN_DCACHE)
-void __cpuinit bfin_dcache_init(struct cplb_entry *dcplb_tbl)
-{
- unsigned long ctrl;
- int i;
-
- for (i = 0; i < MAX_CPLBS; i++) {
- bfin_write32(DCPLB_ADDR0 + i * 4, dcplb_tbl[i].addr);
- bfin_write32(DCPLB_DATA0 + i * 4, dcplb_tbl[i].data);
- }
-
- ctrl = bfin_read_DMEM_CONTROL();
-
- /*
- * Anomaly notes:
- * 05000287 - We implement workaround #2 - Change the DMEM_CONTROL
- * register, so that the port preferences for DAG0 and DAG1 are set
- * to port B
- */
- ctrl |= DMEM_CNTR | PORT_PREF0 | (ANOMALY_05000287 ? PORT_PREF1 : 0);
- /* CSYNC to ensure load store ordering */
- CSYNC();
- bfin_write_DMEM_CONTROL(ctrl);
- SSYNC();
-}
-#endif
/*
* Blackfin cache control code (simpler control-style functions)
*
- * Copyright 2004-2008 Analog Devices Inc.
+ * Copyright 2004-2009 Analog Devices Inc.
*
* Enter bugs at http://blackfin.uclinux.org/
*
* Licensed under the GPL-2 or later.
*/
+#include <linux/init.h>
#include <asm/blackfin.h>
+#include <asm/cplbinit.h>
/* Invalidate the Entire Data cache by
* clearing DMC[1:0] bits
SSYNC();
}
+#if defined(CONFIG_BFIN_ICACHE) || defined(CONFIG_BFIN_DCACHE)
+
+static void
+bfin_cache_init(struct cplb_entry *cplb_tbl, unsigned long cplb_addr,
+ unsigned long cplb_data, unsigned long mem_control,
+ unsigned long mem_mask)
+{
+ int i;
+
+ for (i = 0; i < MAX_CPLBS; i++) {
+ bfin_write32(cplb_addr + i * 4, cplb_tbl[i].addr);
+ bfin_write32(cplb_data + i * 4, cplb_tbl[i].data);
+ }
+
+ _enable_cplb(mem_control, mem_mask);
+}
+
+#ifdef CONFIG_BFIN_ICACHE
+void __cpuinit bfin_icache_init(struct cplb_entry *icplb_tbl)
+{
+ bfin_cache_init(icplb_tbl, ICPLB_ADDR0, ICPLB_DATA0, IMEM_CONTROL,
+ (IMC | ENICPLB));
+}
+#endif
+
+#ifdef CONFIG_BFIN_DCACHE
+void __cpuinit bfin_dcache_init(struct cplb_entry *dcplb_tbl)
+{
+ /*
+ * Anomaly notes:
+ * 05000287 - We implement workaround #2 - Change the DMEM_CONTROL
+ * register, so that the port preferences for DAG0 and DAG1 are set
+ * to port B
+ */
+ bfin_cache_init(dcplb_tbl, DCPLB_ADDR0, DCPLB_DATA0, DMEM_CONTROL,
+ (DMEM_CNTR | PORT_PREF0 | (ANOMALY_05000287 ? PORT_PREF1 : 0)));
+}
+#endif
+
+#endif
projects / platform / kernel / kernel-mfld-blackbay.git / commitdiff