MIPS: BCM63XX: Move flash registration out of board_bcm963xx.c

board_bcm963xx.c is already large enough.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/3952/
Reviewed-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c
new file mode 100644
index 000000000000..af5273868baa
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -0,0 +1,69 @@
+/*
+ * Broadcom BCM63xx flash registration
+ *
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_flash.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+static struct mtd_partition mtd_partitions[] = {
+        {
+                .name           = "cfe",
+                .offset         = 0x0,
+                .size           = 0x40000,
+        }
+};
+
+static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL };
+
+static struct physmap_flash_data flash_data = {
+        .width                  = 2,
+        .parts                  = mtd_partitions,
+        .part_probe_types       = bcm63xx_part_types,
+};
+
+static struct resource mtd_resources[] = {
+        {
+                .start          = 0,    /* filled at runtime */
+                .end            = 0,    /* filled at runtime */
+                .flags          = IORESOURCE_MEM,
+        }
+};
+
+static struct platform_device mtd_dev = {
+        .name                   = "physmap-flash",
+        .resource               = mtd_resources,
+        .num_resources          = ARRAY_SIZE(mtd_resources),
+        .dev                    = {
+                .platform_data  = &flash_data,
+        },
+};
+
+int __init bcm63xx_flash_register(void)
+{
+        u32 val;
+
+        /* read base address of boot chip select (0) */
+        val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+        val &= MPI_CSBASE_BASE_MASK;
+
+        mtd_resources[0].start = val;
+        mtd_resources[0].end = 0x1FFFFFFF;
+
+        return platform_device_register(&mtd_dev);
+}