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/*
*
* Efika 5K2 platform setup
* Some code really inspired from the lite5200b platform.
*
* Copyright (C) 2006 bplan GmbH
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/utsrelease.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/initrd.h>
#include <linux/timer.h>
#include <linux/pci.h>
#include <asm/pgtable.h>
#include <asm/prom.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/rtas.h>
#include <asm/of_device.h>
#include <asm/of_platform.h>
#include <asm/mpc52xx.h>
#include "efika.h"
static void efika_show_cpuinfo(struct seq_file *m)
{
struct device_node *root;
const char *revision = NULL;
const char *codegendescription = NULL;
const char *codegenvendor = NULL;
root = of_find_node_by_path("/");
if (root) {
revision = get_property(root, "revision", NULL);
codegendescription =
get_property(root, "CODEGEN,description", NULL);
codegenvendor = get_property(root, "CODEGEN,vendor", NULL);
of_node_put(root);
}
if (codegendescription)
seq_printf(m, "machine\t\t: %s\n", codegendescription);
else
seq_printf(m, "machine\t\t: Efika\n");
if (revision)
seq_printf(m, "revision\t: %s\n", revision);
if (codegenvendor)
seq_printf(m, "vendor\t\t: %s\n", codegenvendor);
of_node_put(root);
}
static void __init efika_setup_arch(void)
{
rtas_initialize();
#ifdef CONFIG_BLK_DEV_INITRD
initrd_below_start_ok = 1;
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */
efika_pcisetup();
if (ppc_md.progress)
ppc_md.progress("Linux/PPC " UTS_RELEASE " runnung on Efika ;-)\n", 0x0);
}
static void __init efika_init(void)
{
struct device_node *np;
struct device_node *cnp = NULL;
const u32 *base;
/* Find every child of the SOC node and add it to of_platform */
np = of_find_node_by_name(NULL, "builtin");
if (np) {
char name[BUS_ID_SIZE];
while ((cnp = of_get_next_child(np, cnp))) {
strcpy(name, cnp->name);
base = get_property(cnp, "reg", NULL);
if (base == NULL)
continue;
snprintf(name+strlen(name), BUS_ID_SIZE, "@%x", *base);
of_platform_device_create(cnp, name, NULL);
printk(KERN_INFO EFIKA_PLATFORM_NAME" : Added %s (type '%s' at '%s') to the known devices\n", name, cnp->type, cnp->full_name);
}
}
if (ppc_md.progress)
ppc_md.progress(" Have fun with your Efika! ", 0x7777);
}
static int __init efika_probe(void)
{
char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
"model", NULL);
if (model == NULL)
return 0;
if (strcmp(model, "EFIKA5K2"))
return 0;
ISA_DMA_THRESHOLD = ~0L;
DMA_MODE_READ = 0x44;
DMA_MODE_WRITE = 0x48;
return 1;
}
define_machine(efika)
{
.name = EFIKA_PLATFORM_NAME,
.probe = efika_probe,
.setup_arch = efika_setup_arch,
.init = efika_init,
.show_cpuinfo = efika_show_cpuinfo,
.init_IRQ = mpc52xx_init_irq,
.get_irq = mpc52xx_get_irq,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.set_rtc_time = rtas_set_rtc_time,
.get_rtc_time = rtas_get_rtc_time,
.progress = rtas_progress,
.get_boot_time = rtas_get_boot_time,
.calibrate_decr = generic_calibrate_decr,
.phys_mem_access_prot = pci_phys_mem_access_prot,
};
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