powerpc/e500: adjust fdt and ramdisk loading addr
Since kernel uimage is getting bigger,
old fixed loading bases will result in regions overlap.
Add pad for fdt and ramdisk, so that they won't overlap with uimage.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c
index 2500817..90b4c56 100644
--- a/hw/ppce500_mpc8544ds.c
+++ b/hw/ppce500_mpc8544ds.c
@@ -34,8 +34,10 @@
#define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb"
#define UIMAGE_LOAD_BASE 0
-#define DTB_LOAD_BASE 0x600000
-#define INITRD_LOAD_BASE 0x2000000
+#define DTC_LOAD_PAD 0x500000
+#define DTC_PAD_MASK 0xFFFFF
+#define INITRD_LOAD_PAD 0x2000000
+#define INITRD_PAD_MASK 0xFFFFFF
#define RAM_SIZES_ALIGN (64UL << 20)
@@ -168,8 +170,8 @@
target_phys_addr_t entry=0;
target_phys_addr_t loadaddr=UIMAGE_LOAD_BASE;
target_long kernel_size=0;
- target_ulong dt_base=DTB_LOAD_BASE;
- target_ulong initrd_base=INITRD_LOAD_BASE;
+ target_ulong dt_base = 0;
+ target_ulong initrd_base = 0;
target_long initrd_size=0;
int i=0;
unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
@@ -244,6 +246,7 @@
/* Load initrd. */
if (initrd_filename) {
+ initrd_base = (kernel_size + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
@@ -256,6 +259,7 @@
/* If we're loading a kernel directly, we must load the device tree too. */
if (kernel_filename) {
+ dt_base = (kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
if (mpc8544_load_device_tree(dt_base, ram_size,
initrd_base, initrd_size, kernel_cmdline) < 0) {
fprintf(stderr, "couldn't load device tree\n");
