powerpc/44x: boot wrapper: allow kernel to load into non-zero address

BSS_STACK(4096);

static u32 ibm4xx_memstart;

static void iss_4xx_fixups(void)

{

	void *memory;

	u32 reg[3];

	memory = finddevice("/memory");

	if (!memory)

		fatal("Can't find memory node\n");

	/* This assumes #address-cells = 2, #size-cells =1 and that */

	getprop(memory, "reg", reg, sizeof(reg));

	if (reg[2])

		/* If the device tree specifies the memory range, use it */

		ibm4xx_memstart = reg[1];

	else

		/* othersize, read it from the SDRAM controller */

		ibm4xx_sdram_fixup_memsize();

}

static void *iss_4xx_vmlinux_alloc(unsigned long size)

{

	return (void *)ibm4xx_memstart;

}

#define SPRN_PIR	0x11E	/* Processor Indentification Register */

void platform_init(void)

{

	simple_alloc_init(_end, avail_ram, 128, 64);

	platform_ops.fixups = iss_4xx_fixups;

	platform_ops.vmlinux_alloc = iss_4xx_vmlinux_alloc;

	platform_ops.exit = ibm44x_dbcr_reset;

	pir_reg = mfspr(SPRN_PIR);

	fdt_set_boot_cpuid_phys(_dtb_start, pir_reg);