// SPDX-License-Identifier: GPL-2.0-only
/*
* Routines common to most mpc85xx-based boards.
*/
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm /fsl_pm.h>
#include <soc/fsl/qe/qe.h>
#include <sysdev/cpm2_pic.h>
#include "mpc85xx.h"
const struct fsl_pm_ops *qoriq_pm_ops;
static const struct of_device_id mpc85xx_common_ids[] __initconst = {
{ .type = "soc" , },
{ .compatible = "soc" , },
{ .compatible = "simple-bus" , },
{ .name = "cpm" , },
{ .name = "localbus" , },
{ .compatible = "gianfar" , },
{ .compatible = "fsl,qe" , },
{ .compatible = "fsl,cpm2" , },
{ .compatible = "fsl,srio" , },
/* So that the DMA channel nodes can be probed individually: */
{ .compatible = "fsl,eloplus-dma" , },
/* For the PMC driver */
{ .compatible = "fsl,mpc8548-guts" , },
/* Probably unnecessary? */
{ .compatible = "gpio-leds" , },
/* For all PCI controllers */
{ .compatible = "fsl,mpc8540-pci" , },
{ .compatible = "fsl,mpc8548-pcie" , },
{ .compatible = "fsl,p1022-pcie" , },
{ .compatible = "fsl,p1010-pcie" , },
{ .compatible = "fsl,p1023-pcie" , },
{ .compatible = "fsl,p4080-pcie" , },
{ .compatible = "fsl,qoriq-pcie-v2.4" , },
{ .compatible = "fsl,qoriq-pcie-v2.3" , },
{ .compatible = "fsl,qoriq-pcie-v2.2" , },
{ .compatible = "fsl,fman" , },
{},
};
int __init mpc85xx_common_publish_devices(void )
{
return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);
}
#ifdef CONFIG_CPM2
static void cpm2_cascade(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
int cascade_irq;
while ((cascade_irq = cpm2_get_irq()) >= 0)
generic_handle_irq(cascade_irq);
chip->irq_eoi(&desc->irq_data);
}
void __init mpc85xx_cpm2_pic_init(void )
{
struct device_node *np;
int irq;
/* Setup CPM2 PIC */
np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic" );
if (np == NULL) {
printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n" );
return ;
}
irq = irq_of_parse_and_map(np, 0);
if (!irq) {
of_node_put(np);
printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n" );
return ;
}
cpm2_pic_init(np);
of_node_put(np);
irq_set_chained_handler(irq, cpm2_cascade);
}
#endif
#ifdef CONFIG_QUICC_ENGINE
void __init mpc85xx_qe_par_io_init(void )
{
struct device_node *np;
np = of_find_node_by_name(NULL, "par_io" );
if (np) {
struct device_node *ucc;
par_io_init(np);
of_node_put(np);
for_each_node_by_name(ucc, "ucc" )
par_io_of_config(ucc);
}
}
#endif
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