msm8960: Configure MMU to enable caching.
Change-Id: Iee22366b61f8009ae93d7967d4231bb22b7a83b1
diff --git a/platform/msm8960/platform.c b/platform/msm8960/platform.c
index e4b0b23..054502b 100644
--- a/platform/msm8960/platform.c
+++ b/platform/msm8960/platform.c
@@ -33,6 +33,8 @@
#include <platform/iomap.h>
#include <uart_dm.h>
#include <dev/fbcon.h>
+#include <mmu.h>
+#include <arch/arm/mmu.h>
extern void platform_init_timer(void);
extern void platform_init_interrupts(void);
@@ -43,6 +45,35 @@
extern struct fbcon_config *mipi_init(void);
extern void mipi_dsi_shutdown(void);
+#define MB (1024*1024)
+
+#define MSM_IOMAP_SIZE ((MSM_IOMAP_END - MSM_IOMAP_BASE)/MB)
+
+/* LK memory - cacheable, write through */
+#define LK_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
+ MMU_MEMORY_AP_READ_WRITE)
+
+/* Kernel region - cacheable, write through */
+#define KERNEL_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
+ MMU_MEMORY_AP_READ_WRITE)
+
+/* Scratch region - cacheable, write through */
+#define SCRATCH_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
+ MMU_MEMORY_AP_READ_WRITE)
+
+/* Peripherals - non-shared device */
+#define IOMAP_MEMORY (MMU_MEMORY_TYPE_DEVICE_NON_SHARED | \
+ MMU_MEMORY_AP_READ_WRITE)
+
+
+mmu_section_t mmu_section_table[] = {
+/* Physical addr, Virtual addr, Size (in MB), Flags */
+ {MEMBASE, MEMBASE, (MEMSIZE/MB), LK_MEMORY},
+ {BASE_ADDR, BASE_ADDR, 44, KERNEL_MEMORY},
+ {SCRATCH_ADDR, SCRATCH_ADDR, 128, SCRATCH_MEMORY},
+ {MSM_IOMAP_BASE, MSM_IOMAP_BASE, MSM_IOMAP_SIZE, IOMAP_MEMORY},
+};
+
void platform_early_init(void)
{
uart_init(target_uart_gsbi());
@@ -81,3 +112,22 @@
#endif
}
+/* Setup memory for this platform */
+void platform_init_mmu_mappings(void)
+{
+ uint32_t i;
+ uint32_t sections;
+ uint32_t table_size = ARRAY_SIZE(mmu_section_table);
+
+ for (i = 0; i < table_size; i++)
+ {
+ sections = mmu_section_table[i].num_of_sections;
+
+ while (sections--)
+ {
+ arm_mmu_map_section(mmu_section_table[i].paddress + sections*MB,
+ mmu_section_table[i].vaddress + sections*MB,
+ mmu_section_table[i].flags);
+ }
+ }
+}