Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / spl / spl_nand.c

diff --git a/qemu/roms/u-boot/common/spl/spl_nand.c b/qemu/roms/u-boot/common/spl/spl_nand.c
new file mode 100644 (file)
index 0000000..9da0218
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_nand.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <nand.h>
+
+void spl_nand_load_image(void)
+{
+       struct image_header *header;
+       int *src __attribute__((unused));
+       int *dst __attribute__((unused));
+
+       debug("spl: nand - using hw ecc\n");
+       nand_init();
+
+       /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
+       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+#ifdef CONFIG_SPL_OS_BOOT
+       if (!spl_start_uboot()) {
+               /*
+                * load parameter image
+                * load to temp position since nand_spl_load_image reads
+                * a whole block which is typically larger than
+                * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite
+                * following sections like BSS
+                */
+               nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS,
+                       CONFIG_CMD_SPL_WRITE_SIZE,
+                       (void *)CONFIG_SYS_TEXT_BASE);
+               /* copy to destintion */
+               for (dst = (int *)CONFIG_SYS_SPL_ARGS_ADDR,
+                               src = (int *)CONFIG_SYS_TEXT_BASE;
+                               src < (int *)(CONFIG_SYS_TEXT_BASE +
+                               CONFIG_CMD_SPL_WRITE_SIZE);
+                               src++, dst++) {
+                       writel(readl(src), dst);
+               }
+
+               /* load linux */
+               nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
+                       CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+               spl_parse_image_header(header);
+               if (header->ih_os == IH_OS_LINUX) {
+                       /* happy - was a linux */
+                       nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
+                               spl_image.size, (void *)spl_image.load_addr);
+                       nand_deselect();
+                       return;
+               } else {
+                       puts("The Expected Linux image was not "
+                               "found. Please check your NAND "
+                               "configuration.\n");
+                       puts("Trying to start u-boot now...\n");
+               }
+       }
+#endif
+#ifdef CONFIG_NAND_ENV_DST
+       nand_spl_load_image(CONFIG_ENV_OFFSET,
+               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+       spl_parse_image_header(header);
+       nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
+               (void *)spl_image.load_addr);
+#ifdef CONFIG_ENV_OFFSET_REDUND
+       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
+               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+       spl_parse_image_header(header);
+       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
+               (void *)spl_image.load_addr);
+#endif
+#endif
+       /* Load u-boot */
+       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+               CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+       spl_parse_image_header(header);
+       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+               spl_image.size, (void *)spl_image.load_addr);
+       nand_deselect();
+}