Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Scott Wood |
249 |
93.26% |
1 |
12.50% |
| Christophe Leroy |
7 |
2.62% |
1 |
12.50% |
| Wei Yongjun |
3 |
1.12% |
1 |
12.50% |
| Thomas Gleixner |
2 |
0.75% |
1 |
12.50% |
| Josh Boyer |
2 |
0.75% |
1 |
12.50% |
| Rob Herring |
2 |
0.75% |
1 |
12.50% |
| Daniel Axtens |
1 |
0.37% |
1 |
12.50% |
| Stephen Rothwell |
1 |
0.37% |
1 |
12.50% |
| Total |
267 |
|
8 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common PowerQUICC II code.
*
* Author: Scott Wood <scottwood@freescale.com>
* Copyright (c) 2007 Freescale Semiconductor
*
* Based on code by Vitaly Bordug <vbordug@ru.mvista.com>
* pq2_restart fix by Wade Farnsworth <wfarnsworth@mvista.com>
* Copyright (c) 2006 MontaVista Software, Inc.
*/
#include <linux/kprobes.h>
#include <asm/cpm2.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <platforms/82xx/pq2.h>
#define RMR_CSRE 0x00000001
void __noreturn pq2_restart(char *cmd)
{
local_irq_disable();
setbits32(&cpm2_immr->im_clkrst.car_rmr, RMR_CSRE);
/* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */
mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR));
in_8(&cpm2_immr->im_clkrst.res[0]);
panic("Restart failed\n");
}
NOKPROBE_SYMBOL(pq2_restart)
#ifdef CONFIG_PCI
static int pq2_pci_exclude_device(struct pci_controller *hose,
u_char bus, u8 devfn)
{
if (bus == 0 && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
else
return PCIBIOS_SUCCESSFUL;
}
static void __init pq2_pci_add_bridge(struct device_node *np)
{
struct pci_controller *hose;
struct resource r;
if (of_address_to_resource(np, 0, &r) || r.end - r.start < 0x10b)
goto err;
pci_add_flags(PCI_REASSIGN_ALL_BUS);
hose = pcibios_alloc_controller(np);
if (!hose)
return;
hose->dn = np;
setup_indirect_pci(hose, r.start + 0x100, r.start + 0x104, 0);
pci_process_bridge_OF_ranges(hose, np, 1);
return;
err:
printk(KERN_ERR "No valid PCI reg property in device tree\n");
}
void __init pq2_init_pci(void)
{
struct device_node *np;
ppc_md.pci_exclude_device = pq2_pci_exclude_device;
for_each_compatible_node(np, NULL, "fsl,pq2-pci")
pq2_pci_add_bridge(np);
}
#endif