/*
* mpc7448_hpc2.c
*
- * Board setup routines for the Freescale Taiga platform
+ * Board setup routines for the Freescale mpc7448hpc2(taiga) platform
*
* Author: Jacob Pan
* jacob.pan@freescale.com
*
* Copyright 2004-2006 Freescale Semiconductor, Inc.
*
- * 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.
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
*/
#include <linux/config.h>
extern int tsi108_setup_pci(struct device_node *dev);
extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
extern void tsi108_pci_int_init(void);
-extern int tsi108_irq_cascade(struct pt_regs *regs, void *unused);
-
-/*
- * Define all of the IRQ senses and polarities. Taken from the
- * mpc7448hpc manual.
- * Note: Likely, this table and the following function should be
- * obtained and derived from the OF Device Tree.
- */
-
-static u_char mpc7448_hpc2_pic_initsenses[] __initdata = {
- /* External on-board sources */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[0] XINT0 from FPGA */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[1] XINT1 from FPGA */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[2] PHY_INT from both GIGE */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[3] RESERVED */
- /* Internal Tsi108/109 interrupt sources */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA0 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA1 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA2 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA3 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* UART0 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* UART1 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* I2C */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* GPIO */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* GIGE0 */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* GIGE1 */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* HLP */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* SDC */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Processor IF */
- (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */
- (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* PCI/X block */
-};
+extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc,
+ struct pt_regs *regs);
int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn)
{
{
struct pci_controller *hose;
struct device_node *node;
- unsigned int *interrupt;
+ const unsigned int *interrupt;
int busnr;
int len;
u8 slot;
if (!node)
printk(KERN_ERR "No pci node found\n");
- interrupt = (unsigned int *) get_property(node, "interrupt-map", &len);
+ interrupt = get_property(node, "interrupt-map", &len);
slot = find_slot_by_devfn(interrupt, dev->devfn);
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (pin == 0 || pin > 4)
cpu = of_find_node_by_type(NULL, "cpu");
if (cpu != 0) {
- unsigned int *fp;
+ const unsigned int *fp;
- fp = (int *)get_property(cpu, "clock-frequency", NULL);
+ fp = get_property(cpu, "clock-frequency", NULL);
if (fp != 0)
loops_per_jiffy = *fp / HZ;
else
{
struct mpic *mpic;
phys_addr_t mpic_paddr = 0;
+ unsigned int cascade_pci_irq;
+ struct device_node *tsi_pci;
struct device_node *tsi_pic;
tsi_pic = of_find_node_by_type(NULL, "open-pic");
DBG("%s: tsi108pic phys_addr = 0x%x\n", __FUNCTION__,
(u32) mpic_paddr);
- mpic = mpic_alloc(mpic_paddr,
+ mpic = mpic_alloc(tsi_pic, mpic_paddr,
MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
- MPIC_SPV_EOI | MPIC_MOD_ID(MPIC_ID_TSI108),
+ MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
0, /* num_sources used */
- TSI108_IRQ_BASE,
0, /* num_sources used */
- NR_IRQS - 4 /* XXXX */,
- mpc7448_hpc2_pic_initsenses,
- sizeof(mpc7448_hpc2_pic_initsenses), "Tsi108_PIC");
+ "Tsi108_PIC");
BUG_ON(mpic == NULL); /* XXXX */
-
mpic_init(mpic);
- mpic_setup_cascade(IRQ_TSI108_PCI, tsi108_irq_cascade, mpic);
+
+ tsi_pci = of_find_node_by_type(NULL, "pci");
+ if (tsi_pci == 0) {
+ printk("%s: No tsi108 pci node found !\n", __FUNCTION__);
+ return;
+ }
+
+ cascade_pci_irq = irq_of_parse_and_map(tsi_pci, 0);
+ set_irq_data(cascade_pci_irq, mpic);
+ set_irq_chained_handler(cascade_pci_irq, tsi108_irq_cascade);
+
tsi108_pci_int_init();
/* Configure MPIC outputs to CPU0 */
tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0);
+ of_node_put(tsi_pic);
}
void mpc7448_hpc2_show_cpuinfo(struct seq_file *m)
return 0;
}
+
define_machine(mpc7448_hpc2){
.name = "MPC7448 HPC2",
.probe = mpc7448_hpc2_probe,