Staging
v0.7.0
v0.7.0
https://github.com/torvalds/linux
Tip revision: 2595646791c319cadfdbf271563aac97d0843dc7 authored by Linus Torvalds on 02 December 2018, 23:07:55 UTC
Linux 4.20-rc5
Linux 4.20-rc5
Tip revision: 2595646
board-sg.c
/*
* board-sg.c -- support for the SnapGear KS8695 based boards
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "devices.h"
#include "generic.h"
/*
* The SG310 machine type is fitted with a conventional 8MB Strataflash
* device. Define its partitioning.
*/
#define FL_BASE 0x02000000
#define FL_SIZE SZ_8M
static struct mtd_partition sg_mtd_partitions[] = {
[0] = {
.name = "SnapGear Boot Loader",
.size = SZ_128K,
},
[1] = {
.name = "SnapGear non-volatile configuration",
.size = SZ_512K,
.offset = SZ_256K,
},
[2] = {
.name = "SnapGear image",
.offset = SZ_512K + SZ_256K,
},
[3] = {
.name = "SnapGear StrataFlash",
},
[4] = {
.name = "SnapGear Boot Tags",
.size = SZ_128K,
.offset = SZ_128K,
},
};
static struct physmap_flash_data sg_mtd_pdata = {
.width = 1,
.nr_parts = ARRAY_SIZE(sg_mtd_partitions),
.parts = sg_mtd_partitions,
};
static struct resource sg_mtd_resource[] = {
[0] = {
.start = FL_BASE,
.end = FL_BASE + FL_SIZE - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device sg_mtd_device = {
.name = "physmap-flash",
.id = 0,
.num_resources = ARRAY_SIZE(sg_mtd_resource),
.resource = sg_mtd_resource,
.dev = {
.platform_data = &sg_mtd_pdata,
},
};
static void __init sg_init(void)
{
ks8695_add_device_lan();
ks8695_add_device_wan();
if (machine_is_sg310())
platform_device_register(&sg_mtd_device);
}
#ifdef CONFIG_MACH_LITE300
MACHINE_START(LITE300, "SecureComputing/SG300")
/* SnapGear */
.atag_offset = 0x100,
.map_io = ks8695_map_io,
.init_irq = ks8695_init_irq,
.init_machine = sg_init,
.init_time = ks8695_timer_init,
.restart = ks8695_restart,
MACHINE_END
#endif
#ifdef CONFIG_MACH_SG310
MACHINE_START(SG310, "McAfee/SG310")
/* SnapGear */
.atag_offset = 0x100,
.map_io = ks8695_map_io,
.init_irq = ks8695_init_irq,
.init_machine = sg_init,
.init_time = ks8695_timer_init,
.restart = ks8695_restart,
MACHINE_END
#endif
#ifdef CONFIG_MACH_SE4200
MACHINE_START(SE4200, "SecureComputing/SE4200")
/* SnapGear */
.atag_offset = 0x100,
.map_io = ks8695_map_io,
.init_irq = ks8695_init_irq,
.init_machine = sg_init,
.init_time = ks8695_timer_init,
.restart = ks8695_restart,
MACHINE_END
#endif