Changeset d7ef14b in mainline for kernel/arch/arm32/src/mach/gta02/gta02.c

Timestamp:

2010-06-25T20:58:06Z (14 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

12b0d51

Parents:

1590e23

Message:

Link kernel to the proper base address for gta02. Change machine_get_memory_size() to machine_get_memory_extents() and trivially implement for gta02.

File:

• kernel/arch/arm32/src/mach/gta02/gta02.c (modified) (3 diffs)

kernel/arch/arm32/src/mach/gta02/gta02.c

@@ -36 +36 @@
 #include <arch/exception.h>
 #include <arch/mach/gta02/gta02.h>
+#include <arch/mm/page.h>
+
+#define GTA02_MEMORY_START      0x30000000      /* physical */
+#define GTA02_MEMORY_SIZE       0x08000000      /* 128 MB */
+#define GTA02_MEMORY_SKIP       0x8000          /* 2 pages */
 
 static void gta02_init(void);
 static void gta02_timer_irq_start(void);
 static void gta02_cpu_halt(void);
-static uintptr_t gta02_get_memory_size(void);
+static void gta02_get_memory_extents(uintptr_t *start, uintptr_t *size);
 static void gta02_irq_exception(unsigned int exc_no, istate_t *istate);
 static void gta02_frame_init(void);
@@ -50 +55 @@
         gta02_timer_irq_start,
         gta02_cpu_halt,
-        gta02_get_memory_size,
+        gta02_get_memory_extents,
         gta02_irq_exception,
         gta02_frame_init,
@@ -69 +74 @@
 }
 
-static uintptr_t gta02_get_memory_size(void)
+/** Get extents of available memory.
+ *
+ * @param start         Place to store memory start address.
+ * @param size          Place to store memory size.
+ */
+static void gta02_get_memory_extents(uintptr_t *start, uintptr_t *size)
 {
-        return 0;
+        *start = PA2KA(GTA02_MEMORY_START) + GTA02_MEMORY_SKIP;
+        *size  = GTA02_MEMORY_SIZE - GTA02_MEMORY_SKIP;
 }