181 lines
4.5 KiB
C
181 lines
4.5 KiB
C
/**************************************************************************
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*
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* BRIEF MODULE DESCRIPTION
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* setup routines for IDT EB434 boards
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*
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* Copyright 2004 IDT Inc. (rischelp@idt.com)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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**************************************************************************
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* May 2004 rkt, neb
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*
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* Initial Release
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*
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*
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*
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**************************************************************************
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/mm.h>
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#include <linux/sched.h>
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#include <linux/irq.h>
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#include <asm/bootinfo.h>
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#include <asm/io.h>
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#include <linux/ioport.h>
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#include <asm/mipsregs.h>
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#include <asm/pgtable.h>
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#include <asm/reboot.h>
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#include <asm/addrspace.h> /* for KSEG1ADDR() */
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#include <asm/idt-boards/rc32434/rc32434.h>
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#include <linux/pm.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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extern char *__init prom_getcmdline(void);
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extern void (*board_time_init) (void);
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extern void aruba_time_init(void);
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extern void aruba_reset(void);
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#define epldMask ((volatile unsigned char *)0xB900000d)
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static void aruba_machine_restart(char *command)
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{
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switch (mips_machtype) {
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case MACH_ARUBA_AP70:
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*(volatile u32 *)KSEG1ADDR(0x18008000) = 0x80000001;
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break;
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case MACH_ARUBA_AP65:
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case MACH_ARUBA_AP60:
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default:
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/* Reset*/
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*((volatile u32 *)KSEG1ADDR(0x1c003020)) = 0x00080350; // reset everything in sight
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udelay(100);
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*((volatile u32 *)KSEG1ADDR(0x1c003020)) = 0; // reset everything in sight
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udelay(100);
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*((volatile u32 *)KSEG1ADDR(0x1c003020)) = 0x3; // cold reset the cpu & system
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break;
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}
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}
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static void aruba_machine_halt(void)
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{
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for (;;) continue;
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}
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extern char * getenv(char *e);
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extern void unlock_ap60_70_flash(void);
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static struct resource aruba_flash_resource = {
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.start = 0x1fc00000,
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.end = 0x1fffffffULL,
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.flags = IORESOURCE_MEM,
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};
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static struct mtd_partition aruba_flash_parts[] = {
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{
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.name = "kernel",
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.offset = 0x80000,
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.size = 0x370000,
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},
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{
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.name = "rootfs",
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.offset = 0x140000,
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.size = 0x2B0000,
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},
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{
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.name = "NVRAM",
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.offset = 0x3f8000,
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.size = 0x2000,
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}
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};
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static struct physmap_flash_data aruba_flash_data = {
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.width = 1,
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.parts = aruba_flash_parts,
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.nr_parts = ARRAY_SIZE(aruba_flash_parts),
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};
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static struct platform_device aruba_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &aruba_flash_data,
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},
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.num_resources = 1,
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.resource = &aruba_flash_resource,
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};
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static int aruba_setup_flash(void)
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{
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platform_device_register(&aruba_flash_device);
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return 0;
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};
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arch_initcall (aruba_setup_flash);
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void __init plat_mem_setup(void)
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{
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board_time_init = aruba_time_init;
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_machine_restart = aruba_machine_restart;
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_machine_halt = aruba_machine_halt;
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pm_power_off = aruba_machine_halt;
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set_io_port_base(KSEG1);
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/* Enable PCI interrupts in EPLD Mask register */
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*epldMask = 0x0;
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*(epldMask + 1) = 0x0;
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write_c0_wired(0);
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unlock_ap60_70_flash();
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printk("BOARD - %s\n",getenv("boardname"));
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}
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int page_is_ram(unsigned long pagenr)
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{
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return 1;
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}
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const char *get_system_type(void)
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{
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switch (mips_machtype) {
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case MACH_ARUBA_AP70:
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return "Aruba AP70";
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case MACH_ARUBA_AP65:
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return "Aruba AP65";
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case MACH_ARUBA_AP60:
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return "Aruba AP60/AP61";
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default:
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return "Aruba UNKNOWN";
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}
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}
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EXPORT_SYMBOL(get_system_type);
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