![Grant Likely](/assets/img/avatar_default.png)
The Efika board isn't different enough from other 52xx based boards to justify a separate platform. This patch merges it with the support code for all other 52xx based boards. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
151 lines
3.4 KiB
C
151 lines
3.4 KiB
C
/*
|
|
*
|
|
* 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,
|
|
};
|