From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 arch/mips/cavium-octeon/flash_setup.c | 71 +++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 arch/mips/cavium-octeon/flash_setup.c

(limited to 'arch/mips/cavium-octeon/flash_setup.c')

diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c
new file mode 100644
index 00000000..e44a55bc
--- /dev/null
+++ b/arch/mips/cavium-octeon/flash_setup.c
@@ -0,0 +1,71 @@
+/*
+ *   Octeon Bootbus flash setup
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2007, 2008 Cavium Networks
+ */
+#include <linux/kernel.h>
+#include <linux/export.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/octeon/octeon.h>
+
+static struct map_info flash_map;
+static struct mtd_info *mymtd;
+static const char *part_probe_types[] = {
+	"cmdlinepart",
+#ifdef CONFIG_MTD_REDBOOT_PARTS
+	"RedBoot",
+#endif
+	NULL
+};
+
+/**
+ * Module/ driver initialization.
+ *
+ * Returns Zero on success
+ */
+static int __init flash_init(void)
+{
+	/*
+	 * Read the bootbus region 0 setup to determine the base
+	 * address of the flash.
+	 */
+	union cvmx_mio_boot_reg_cfgx region_cfg;
+	region_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(0));
+	if (region_cfg.s.en) {
+		/*
+		 * The bootloader always takes the flash and sets its
+		 * address so the entire flash fits below
+		 * 0x1fc00000. This way the flash aliases to
+		 * 0x1fc00000 for booting. Software can access the
+		 * full flash at the true address, while core boot can
+		 * access 4MB.
+		 */
+		/* Use this name so old part lines work */
+		flash_map.name = "phys_mapped_flash";
+		flash_map.phys = region_cfg.s.base << 16;
+		flash_map.size = 0x1fc00000 - flash_map.phys;
+		flash_map.bankwidth = 1;
+		flash_map.virt = ioremap(flash_map.phys, flash_map.size);
+		pr_notice("Bootbus flash: Setting flash for %luMB flash at "
+			  "0x%08llx\n", flash_map.size >> 20, flash_map.phys);
+		simple_map_init(&flash_map);
+		mymtd = do_map_probe("cfi_probe", &flash_map);
+		if (mymtd) {
+			mymtd->owner = THIS_MODULE;
+			mtd_device_parse_register(mymtd, part_probe_types,
+						  NULL, NULL, 0);
+		} else {
+			pr_err("Failed to register MTD device for flash\n");
+		}
+	}
+	return 0;
+}
+
+late_initcall(flash_init);
-- 
cgit