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sh: Magic Panel MTD mapping update.

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This update moves the flash mapping for the Magic Panel into the board
setup. It also removes references to the old MTD mapping option in the
defconfig.

Signed-off by: Markus Brunner <super.firetwister@gmail.com>
Signed-off by: Mark Jonas <toertel@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Markus Brunner 2007-09-21 15:27:35 +09:00 committed by Paul Mundt
parent 02353f5d2a
commit e87ab0c43c
2 changed files with 90 additions and 6 deletions
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86
arch/sh/boards/magicpanelr2/setup.c
View file

@ -12,14 +12,19 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/map.h>
#include <asm/magicpanelr2.h>
#include <asm/heartbeat.h>
#define LAN9115_READY (ctrl_inl(0xA8000084UL) & 0x00000001UL)
/* Prefer cmdline over RedBoot */
static const char *probes[] = { "cmdlinepart", "RedBoot", NULL };
/* Wait until reset finished. Timeout is 100ms. */
static int __init ethernet_reset_finished(void)
{
@ -270,13 +275,90 @@ static struct platform_device heartbeat_device = {
.resource = heartbeat_resources,
};
static struct mtd_partition *parsed_partitions;
static struct mtd_partition mpr2_partitions[] = {
/* Reserved for bootloader, read-only */
{
.name = "Bootloader",
.offset = 0x00000000UL,
.size = MPR2_MTD_BOOTLOADER_SIZE,
.mask_flags = MTD_WRITEABLE,
},
/* Reserved for kernel image */
{
.name = "Kernel",
.offset = MTDPART_OFS_NXTBLK,
.size = MPR2_MTD_KERNEL_SIZE,
},
/* Rest is used for Flash FS */
{
.name = "Flash_FS",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
}
};
static struct physmap_flash_data flash_data = {
.width = 2,
};
static struct resource flash_resource = {
.start = 0x00000000,
.end = 0x2000000UL,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "physmap-flash",
.id = -1,
.resource = &flash_resource,
.num_resources = 1,
.dev = {
.platform_data = &flash_data,
},
};
static struct mtd_info *flash_mtd;
static struct map_info mpr2_flash_map = {
.name = "Magic Panel R2 Flash",
.size = 0x2000000UL,
.bankwidth = 2,
};
static void __init set_mtd_partitions(void)
{
int nr_parts = 0;
simple_map_init(&mpr2_flash_map);
flash_mtd = do_map_probe("cfi_probe", &mpr2_flash_map);
nr_parts = parse_mtd_partitions(flash_mtd, probes,
&parsed_partitions, 0);
/* If there is no partition table, used the hard coded table */
if (nr_parts <= 0) {
flash_data.parts = mpr2_partitions;
flash_data.nr_parts = ARRAY_SIZE(mpr2_partitions);
} else {
flash_data.nr_parts = nr_parts;
flash_data.parts = parsed_partitions;
}
}
/*
* Add all resources to the platform_device
*/
static struct platform_device *mpr2_devices[] __initdata = {
&heartbeat_device,
&smc911x_device,
&flash_device,
};
static int __init mpr2_devices_setup(void)
{
set_mtd_partitions();
return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices));
}
device_initcall(mpr2_devices_setup);

8
arch/sh/configs/magicpanelr2_defconfig
View file

@ -185,7 +185,7 @@ CONFIG_SH_MAGIC_PANEL_R2=y
#
# Magic Panel R2 options
#
CONFIG_SH_MAGIC_PANEL_R2_VERSION=2
CONFIG_SH_MAGIC_PANEL_R2_VERSION=3
#
# Timer and clock configuration
@ -404,9 +404,11 @@ CONFIG_MTD_CFI_UTIL=y
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PHYSMAP is not set
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_START=0x0000000
CONFIG_MTD_PHYSMAP_LEN=0
CONFIG_MTD_PHYSMAP_BANKWIDTH=0
# CONFIG_MTD_SOLUTIONENGINE is not set
CONFIG_MTD_MAGICPANELR2=y
# CONFIG_MTD_PLATRAM is not set
#