Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 213 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/arch/avr32/lib/bootm.c b/qemu/roms/u-boot/arch/avr32/lib/bootm.c
new file mode 100644
index 000000000..1c26f1b36
--- /dev/null
+++ b/qemu/roms/u-boot/arch/avr32/lib/bootm.c
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <u-boot/zlib.h>
+#include <asm/byteorder.h>
+#include <asm/arch/addrspace.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/arch/clk.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* CPU-specific hook to allow flushing of caches, etc. */
+extern void prepare_to_boot(void);
+
+static struct tag *setup_start_tag(struct tag *params)
+{
+	params->hdr.tag = ATAG_CORE;
+	params->hdr.size = tag_size(tag_core);
+
+	params->u.core.flags = 0;
+	params->u.core.pagesize = 4096;
+	params->u.core.rootdev = 0;
+
+	return tag_next(params);
+}
+
+static struct tag *setup_memory_tags(struct tag *params)
+{
+	bd_t *bd = gd->bd;
+	int i;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		params->hdr.tag = ATAG_MEM;
+		params->hdr.size = tag_size(tag_mem_range);
+
+		params->u.mem_range.addr = bd->bi_dram[i].start;
+		params->u.mem_range.size = bd->bi_dram[i].size;
+
+		params = tag_next(params);
+	}
+
+	return params;
+}
+
+static struct tag *setup_commandline_tag(struct tag *params, char *cmdline)
+{
+	if (!cmdline)
+		return params;
+
+	/* eat leading white space */
+	while (*cmdline == ' ') cmdline++;
+
+	/*
+	 * Don't include tags for empty command lines; let the kernel
+	 * use its default command line.
+	 */
+	if (*cmdline == '\0')
+		return params;
+
+	params->hdr.tag = ATAG_CMDLINE;
+	params->hdr.size =
+		(sizeof (struct tag_header) + strlen(cmdline) + 1 + 3) >> 2;
+	strcpy(params->u.cmdline.cmdline, cmdline);
+
+	return tag_next(params);
+}
+
+static struct tag *setup_ramdisk_tag(struct tag *params,
+				     unsigned long rd_start,
+				     unsigned long rd_end)
+{
+	if (rd_start == rd_end)
+		return params;
+
+	params->hdr.tag = ATAG_RDIMG;
+	params->hdr.size = tag_size(tag_mem_range);
+
+	params->u.mem_range.addr = rd_start;
+	params->u.mem_range.size = rd_end - rd_start;
+
+	return tag_next(params);
+}
+
+static struct tag *setup_clock_tags(struct tag *params)
+{
+	params->hdr.tag = ATAG_CLOCK;
+	params->hdr.size = tag_size(tag_clock);
+	params->u.clock.clock_id = ACLOCK_BOOTCPU;
+	params->u.clock.clock_flags = 0;
+	params->u.clock.clock_hz = gd->arch.cpu_hz;
+
+#ifdef CONFIG_AT32AP7000
+	/*
+	 * New kernels don't need this, but we should be backwards
+	 * compatible for a while...
+	 */
+	params = tag_next(params);
+
+	params->hdr.tag = ATAG_CLOCK;
+	params->hdr.size = tag_size(tag_clock);
+	params->u.clock.clock_id = ACLOCK_HSB;
+	params->u.clock.clock_flags = 0;
+	params->u.clock.clock_hz = get_hsb_clk_rate();
+#endif
+
+	return tag_next(params);
+}
+
+static struct tag *setup_ethernet_tag(struct tag *params,
+				      char *addr, int index)
+{
+	char *s, *e;
+	int i;
+
+	params->hdr.tag = ATAG_ETHERNET;
+	params->hdr.size = tag_size(tag_ethernet);
+
+	params->u.ethernet.mac_index = index;
+	params->u.ethernet.mii_phy_addr = gd->bd->bi_phy_id[index];
+
+	s = addr;
+	for (i = 0; i < 6; i++) {
+		params->u.ethernet.hw_address[i] = simple_strtoul(s, &e, 16);
+		s = e + 1;
+	}
+
+	return tag_next(params);
+}
+
+static struct tag *setup_ethernet_tags(struct tag *params)
+{
+	char name[16] = "ethaddr";
+	char *addr;
+	int i = 0;
+
+	do {
+		addr = getenv(name);
+		if (addr)
+			params = setup_ethernet_tag(params, addr, i);
+		sprintf(name, "eth%daddr", ++i);
+	} while (i < 4);
+
+	return params;
+}
+
+static struct tag *setup_boardinfo_tag(struct tag *params)
+{
+	params->hdr.tag = ATAG_BOARDINFO;
+	params->hdr.size = tag_size(tag_boardinfo);
+
+	params->u.boardinfo.board_number = gd->bd->bi_board_number;
+
+	return tag_next(params);
+}
+
+static void setup_end_tag(struct tag *params)
+{
+	params->hdr.tag = ATAG_NONE;
+	params->hdr.size = 0;
+}
+
+int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+{
+	void	(*theKernel)(int magic, void *tagtable);
+	struct	tag *params, *params_start;
+	char	*commandline = getenv("bootargs");
+
+	/*
+	 * allow the PREP bootm subcommand, it is required for bootm to work
+	 *
+	 * TODO: Andreas Bießmann <andreas.devel@googlemail.com> refactor the
+	 * do_bootm_linux() for avr32
+	 */
+	if (flag & BOOTM_STATE_OS_PREP)
+		return 0;
+
+	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+		return 1;
+
+	theKernel = (void *)images->ep;
+
+	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+	params = params_start = (struct tag *)gd->bd->bi_boot_params;
+	params = setup_start_tag(params);
+	params = setup_memory_tags(params);
+	if (images->rd_start) {
+		params = setup_ramdisk_tag(params,
+					   PHYSADDR(images->rd_start),
+					   PHYSADDR(images->rd_end));
+	}
+	params = setup_commandline_tag(params, commandline);
+	params = setup_clock_tags(params);
+	params = setup_ethernet_tags(params);
+	params = setup_boardinfo_tag(params);
+	setup_end_tag(params);
+
+	printf("\nStarting kernel at %p (params at %p)...\n\n",
+	       theKernel, params_start);
+
+	prepare_to_boot();
+
+	theKernel(ATAG_MAGIC, params_start);
+	/* does not return */
+
+	return 1;
+}