Release 4.14 arch/powerpc/platforms/embedded6xx/linkstation.c
/*
* Board setup routines for the Buffalo Linkstation / Kurobox Platform.
*
* Copyright (C) 2006 G. Liakhovetski (g.liakhovetski@gmx.de)
*
* Based on sandpoint.c by Mark A. Greer
*
* 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/kernel.h>
#include <linux/initrd.h>
#include <linux/of_platform.h>
#include <asm/time.h>
#include <asm/prom.h>
#include <asm/mpic.h>
#include <asm/pci-bridge.h>
#include "mpc10x.h"
static const struct of_device_id of_bus_ids[] __initconst = {
{ .type = "soc", },
{ .compatible = "simple-bus", },
{},
};
static int __init declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, of_bus_ids, NULL);
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 21 | 100.00% | 1 | 100.00% |
Total | 21 | 100.00% | 1 | 100.00% |
machine_device_initcall(linkstation, declare_of_platform_devices);
static int __init linkstation_add_bridge(struct device_node *dev)
{
#ifdef CONFIG_PCI
int len;
struct pci_controller *hose;
const int *bus_range;
printk("Adding PCI host bridge %pOF\n", dev);
bus_range = of_get_property(dev, "bus-range", &len);
if (bus_range == NULL || len < 2 * sizeof(int))
printk(KERN_WARNING "Can't get bus-range for %pOF, assume"
" bus 0\n", dev);
hose = pcibios_alloc_controller(dev);
if (hose == NULL)
return -ENOMEM;
hose->first_busno = bus_range ? bus_range[0] : 0;
hose->last_busno = bus_range ? bus_range[1] : 0xff;
setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0);
/* Interpret the "ranges" property */
/* This also maps the I/O region and sets isa_io/mem_base */
pci_process_bridge_OF_ranges(hose, dev, 1);
#endif
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 126 | 89.36% | 1 | 14.29% |
Arnd Bergmann | 6 | 4.26% | 2 | 28.57% |
Kumar Gala | 5 | 3.55% | 2 | 28.57% |
Stephen Rothwell | 2 | 1.42% | 1 | 14.29% |
Rob Herring | 2 | 1.42% | 1 | 14.29% |
Total | 141 | 100.00% | 7 | 100.00% |
static void __init linkstation_setup_arch(void)
{
struct device_node *np;
/* Lookup PCI host bridges */
for_each_compatible_node(np, "pci", "mpc10x-pci")
linkstation_add_bridge(np);
printk(KERN_INFO "BUFFALO Network Attached Storage Series\n");
printk(KERN_INFO "(C) 2002-2005 BUFFALO INC.\n");
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 35 | 87.50% | 1 | 33.33% |
Kumar Gala | 4 | 10.00% | 1 | 33.33% |
Arnd Bergmann | 1 | 2.50% | 1 | 33.33% |
Total | 40 | 100.00% | 3 | 100.00% |
/*
* Interrupt setup and service. Interrupts on the linkstation come
* from the four PCI slots plus onboard 8241 devices: I2C, DUART.
*/
static void __init linkstation_init_IRQ(void)
{
struct mpic *mpic;
mpic = mpic_alloc(NULL, 0, 0, 4, 0, " EPIC ");
BUG_ON(mpic == NULL);
/* PCI IRQs */
mpic_assign_isu(mpic, 0, mpic->paddr + 0x10200);
/* I2C */
mpic_assign_isu(mpic, 1, mpic->paddr + 0x11000);
/* ttyS0, ttyS1 */
mpic_assign_isu(mpic, 2, mpic->paddr + 0x11100);
mpic_init(mpic);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 75 | 88.24% | 1 | 20.00% |
Kyle Moffett | 10 | 11.76% | 4 | 80.00% |
Total | 85 | 100.00% | 5 | 100.00% |
extern void avr_uart_configure(void);
extern void avr_uart_send(const char);
static void __noreturn linkstation_restart(char *cmd)
{
local_irq_disable();
/* Reset system via AVR */
avr_uart_configure();
/* Send reboot command */
avr_uart_send('C');
for(;;) /* Spin until reset happens */
avr_uart_send('G'); /* "kick" */
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 35 | 97.22% | 1 | 50.00% |
Daniel Axtens | 1 | 2.78% | 1 | 50.00% |
Total | 36 | 100.00% | 2 | 100.00% |
static void __noreturn linkstation_power_off(void)
{
local_irq_disable();
/* Power down system via AVR */
avr_uart_configure();
/* send shutdown command */
avr_uart_send('E');
for(;;) /* Spin until power-off happens */
avr_uart_send('G'); /* "kick" */
/* NOTREACHED */
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 34 | 97.14% | 1 | 50.00% |
Daniel Axtens | 1 | 2.86% | 1 | 50.00% |
Total | 35 | 100.00% | 2 | 100.00% |
static void __noreturn linkstation_halt(void)
{
linkstation_power_off();
/* NOTREACHED */
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 12 | 92.31% | 1 | 50.00% |
Daniel Axtens | 1 | 7.69% | 1 | 50.00% |
Total | 13 | 100.00% | 2 | 100.00% |
static void linkstation_show_cpuinfo(struct seq_file *m)
{
seq_printf(m, "vendor\t\t: Buffalo Technology\n");
seq_printf(m, "machine\t\t: Linkstation I/Kurobox(HG)\n");
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 25 | 100.00% | 1 | 100.00% |
Total | 25 | 100.00% | 1 | 100.00% |
static int __init linkstation_probe(void)
{
if (!of_machine_is_compatible("linkstation"))
return 0;
pm_power_off = linkstation_power_off;
return 1;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 22 | 81.48% | 1 | 33.33% |
Alexander Graf | 4 | 14.81% | 1 | 33.33% |
Benjamin Herrenschmidt | 1 | 3.70% | 1 | 33.33% |
Total | 27 | 100.00% | 3 | 100.00% |
define_machine(linkstation)
{
.name = "Buffalo Linkstation",
.probe = linkstation_probe,
.setup_arch = linkstation_setup_arch,
.init_IRQ = linkstation_init_IRQ,
.show_cpuinfo = linkstation_show_cpuinfo,
.get_irq = mpic_get_irq,
.restart = linkstation_restart,
.halt = linkstation_halt,
.calibrate_decr = generic_calibrate_decr,
};
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Guennadi Liakhovetski | 503 | 91.62% | 2 | 10.53% |
Kumar Gala | 11 | 2.00% | 4 | 21.05% |
Kyle Moffett | 10 | 1.82% | 4 | 21.05% |
Arnd Bergmann | 7 | 1.28% | 2 | 10.53% |
Uwe Kleine-König | 5 | 0.91% | 1 | 5.26% |
Alexander Graf | 4 | 0.73% | 1 | 5.26% |
Daniel Axtens | 3 | 0.55% | 1 | 5.26% |
Stephen Rothwell | 2 | 0.36% | 1 | 5.26% |
Rob Herring | 2 | 0.36% | 1 | 5.26% |
Gabriel Craciunescu | 1 | 0.18% | 1 | 5.26% |
Benjamin Herrenschmidt | 1 | 0.18% | 1 | 5.26% |
Total | 549 | 100.00% | 19 | 100.00% |
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