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author | Jonas Gorski <jonas.gorski@gmail.com> | 2012-07-24 16:33:11 +0200 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2012-07-24 16:33:11 +0200 |
commit | 4b897d5483da5c3f3c4d52440a994aad574b62b4 (patch) | |
tree | 1c3b344446d98cf2d774bb58c3f2156f0a2d0bea /arch/mips/bcm63xx/dev-flash.c | |
parent | 553072b27e0990ab1d73d43efb4ab518f953fcc3 (diff) | |
download | op-kernel-dev-4b897d5483da5c3f3c4d52440a994aad574b62b4.zip op-kernel-dev-4b897d5483da5c3f3c4d52440a994aad574b62b4.tar.gz |
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>
Diffstat (limited to 'arch/mips/bcm63xx/dev-flash.c')
-rw-r--r-- | arch/mips/bcm63xx/dev-flash.c | 69 |
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 0000000..af52738 --- /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); +} |