Enable the cache for all devices, unless CONFIG_SYS_DCACHE_OFF is defined.
This speeds up the Beaglebone Black boot considerable.
(Tested only on Beaglebone Black with SD card boot)
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v3: None
Changes in v2:
- Update to cover all omap devices
arch/arm/cpu/armv7/am33xx/board.c | 8 ----
arch/arm/cpu/armv7/omap-common/Makefile | 4 ++
arch/arm/cpu/armv7/omap-common/hwinit-common.c | 42 -------------------
arch/arm/cpu/armv7/omap-common/omap-cache.c | 56 ++++++++++++++++++++++++++
arch/arm/cpu/armv7/omap3/board.c | 8 ----
5 files changed, 60 insertions(+), 58 deletions(-)
create mode 100644 arch/arm/cpu/armv7/omap-common/omap-cache.c
diff --git a/arch/arm/cpu/armv7/am33xx/board.c
b/arch/arm/cpu/armv7/am33xx/board.c
index 28c16f8..9ae8c34 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -241,11 +241,3 @@ void s_init(void)
sdram_init();
}
#endif
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-}
-#endif /* !CONFIG_SYS_DCACHE_OFF */
diff --git a/arch/arm/cpu/armv7/omap-common/Makefile
b/arch/arm/cpu/armv7/omap-common/Makefile
index 5f5132f..7695e16 100644
--- a/arch/arm/cpu/armv7/omap-common/Makefile
+++ b/arch/arm/cpu/armv7/omap-common/Makefile
@@ -22,6 +22,10 @@ obj-y += pipe3-phy.o
obj-$(CONFIG_SCSI_AHCI_PLAT) += sata.o
endif
+ifeq ($(CONFIG_SYS_DCACHE_OFF),)
+obj-y += omap-cache.o
+endif
+
ifeq ($(CONFIG_OMAP34XX),)
obj-y += boot-common.o
obj-y += lowlevel_init.o
diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c
b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
index ba97d9e..5f50a19 100644
--- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c
+++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
@@ -18,13 +18,8 @@
#include <asm/emif.h>
#include <asm/omap_common.h>
#include <linux/compiler.h>
-#include <asm/cache.h>
#include <asm/system.h>
-#define ARMV7_DCACHE_WRITEBACK 0xe
-#define ARMV7_DOMAIN_CLIENT 1
-#define ARMV7_DOMAIN_MASK (0x3 << 0)
-
DECLARE_GLOBAL_DATA_PTR;
void do_set_mux(u32 base, struct pad_conf_entry const *array, int size)
@@ -263,40 +258,3 @@ int print_cpuinfo(void)
return 0;
}
#endif
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-}
-
-void dram_bank_mmu_setup(int bank)
-{
- bd_t *bd = gd->bd;
- int i;
-
- u32 start = bd->bi_dram[bank].start >> 20;
- u32 size = bd->bi_dram[bank].size >> 20;
- u32 end = start + size;
-
- debug("%s: bank: %d\n", __func__, bank);
- for (i = start; i < end; i++)
- set_section_dcache(i, ARMV7_DCACHE_WRITEBACK);
-
-}
-
-void arm_init_domains(void)
-{
- u32 reg;
-
- reg = get_dacr();
- /*
- * Set DOMAIN to client access so that all permissions
- * set in pagetables are validated by the mmu.
- */
- reg &= ~ARMV7_DOMAIN_MASK;
- reg |= ARMV7_DOMAIN_CLIENT;
- set_dacr(reg);
-}
-#endif
diff --git a/arch/arm/cpu/armv7/omap-common/omap-cache.c
b/arch/arm/cpu/armv7/omap-common/omap-cache.c
new file mode 100644
index 0000000..579bebf
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/omap-cache.c
@@ -0,0 +1,56 @@
+/*
+ *
+ * Common functions for OMAP4/5 based boards
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <ane...@ti.com>
+ * Steve Sakoman <st...@sakoman.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/cache.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define ARMV7_DCACHE_WRITEBACK 0xe
+#define ARMV7_DOMAIN_CLIENT 1
+#define ARMV7_DOMAIN_MASK (0x3 << 0)
+
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+
+void dram_bank_mmu_setup(int bank)
+{
+ bd_t *bd = gd->bd;
+ int i;
+
+ u32 start = bd->bi_dram[bank].start >> 20;
+ u32 size = bd->bi_dram[bank].size >> 20;
+ u32 end = start + size;
+
+ debug("%s: bank: %d\n", __func__, bank);
+ for (i = start; i < end; i++)
+ set_section_dcache(i, ARMV7_DCACHE_WRITEBACK);
+}
+
+void arm_init_domains(void)
+{
+ u32 reg;
+
+ reg = get_dacr();
+ /*
+ * Set DOMAIN to client access so that all permissions
+ * set in pagetables are validated by the mmu.
+ */
+ reg &= ~ARMV7_DOMAIN_MASK;
+ reg |= ARMV7_DOMAIN_CLIENT;
+ set_dacr(reg);
+}
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 9bb1a1c..e252e7f 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -478,11 +478,3 @@ void omap3_outer_cache_disable(void)
omap3_update_aux_cr(0, 0x2);
}
#endif /* !CONFIG_SYS_L2CACHE_OFF */
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-}
-#endif /* !CONFIG_SYS_DCACHE_OFF */
--
1.9.1.423.g4596e3a
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