1 files changed, 49 insertions, 0 deletions
diff --git a/include/asm-i386/mach-visws/setup_arch_post.h b/include/asm-i386/mach-visws/setup_arch_post.h
new file mode 100644
index 00000000000..cdbd895a54b
--- /dev/null
+++ b/include/asm-i386/mach-visws/setup_arch_post.h
@@ -0,0 +1,49 @@
+/* Hook for machine specific memory setup.
+ *
+ * This is included late in kernel/setup.c so that it can make use of all of
+ * the static functions. */
+
+#define MB (1024 * 1024)
+
+unsigned long sgivwfb_mem_phys;
+unsigned long sgivwfb_mem_size;
+
+long long mem_size __initdata = 0;
+
+static char * __init machine_specific_memory_setup(void)
+{
+	long long gfx_mem_size = 8 * MB;
+
+	mem_size = ALT_MEM_K;
+
+	if (!mem_size) {
+		printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n");
+		mem_size = 128 * MB;
+	}
+
+	/*
+	 * this hardcodes the graphics memory to 8 MB
+	 * it really should be sized dynamically (or at least
+	 * set as a boot param)
+	 */
+	if (!sgivwfb_mem_size) {
+		printk(KERN_WARNING "Defaulting to 8 MB framebuffer size\n");
+		sgivwfb_mem_size = 8 * MB;
+	}
+
+	/*
+	 * Trim to nearest MB
+	 */
+	sgivwfb_mem_size &= ~((1 << 20) - 1);
+	sgivwfb_mem_phys = mem_size - gfx_mem_size;
+
+	add_memory_region(0, LOWMEMSIZE(), E820_RAM);
+	add_memory_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM);
+	add_memory_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED);
+
+	return "PROM";
+
+	/* Remove gcc warnings */
+	(void) sanitize_e820_map(NULL, NULL);
+	(void) copy_e820_map(NULL, 0);
+}