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Merge branch 'merge'
[pandora-kernel.git] / arch / powerpc / platforms / embedded6xx / mpc7448_hpc2.c
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index d7a4fc7..e4f2b9d 100644 (file)
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -1,7 +1,7 @@
 /*
  * 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
@@ -12,10 +12,10 @@
  *
  * 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>
@@ -62,43 +62,8 @@ pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET;
 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)
 {
@@ -130,7 +95,7 @@ void mpc7448_hpc2_fixup_irq(struct pci_dev *dev)
 {
        struct pci_controller *hose;
        struct device_node *node;
-       unsigned int *interrupt;
+       const unsigned int *interrupt;
        int busnr;
        int len;
        u8 slot;
@@ -147,7 +112,7 @@ void mpc7448_hpc2_fixup_irq(struct pci_dev *dev)
        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)
@@ -176,9 +141,9 @@ static void __init mpc7448_hpc2_setup_arch(void)
 
        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
@@ -229,6 +194,8 @@ static void __init mpc7448_hpc2_init_IRQ(void)
 {
        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");
@@ -246,24 +213,31 @@ static void __init mpc7448_hpc2_init_IRQ(void)
        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)
@@ -320,6 +294,7 @@ static int mpc7448_machine_check_exception(struct pt_regs *regs)
        return 0;
 
 }
+
 define_machine(mpc7448_hpc2){
        .name                   = "MPC7448 HPC2",
        .probe                  = mpc7448_hpc2_probe,
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