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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-04 19:22:33 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-04 19:22:33 -0800
commit15a4cb9c25df05a5d4844e80a1aea83d66165868 (patch)
treebcb4f7c6e84f501ee6ce8c7a740cc7c4ec92447d /arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
parentff51a98799931256b555446b2f5675db08de6229 (diff)
parentd8594d639135b500bf6010f981ea854092d54030 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (194 commits) [POWERPC] Add missing EXPORTS for mpc52xx support [POWERPC] Remove obsolete PPC_52xx and update CLASSIC32 comment [POWERPC] ps3: add a default zImage target [POWERPC] Add of_platform_bus support to mpc52xx psc uart driver [POWERPC] typo fix and whitespace cleanup on mpc52xx-uart driver [POWERPC] Fix debug printks for 32-bit resources in the PCI code [POWERPC] Replace kmalloc+memset with kzalloc [POWERPC] Linkstation / kurobox support [POWERPC] Add the e300c3 core to the CPU table. [POWERPC] ppc: m48t35 add missing bracket [POWERPC] iSeries: don't build head_64.o unnecessarily [POWERPC] iSeries: stop dt_mod.o being rebuilt unnecessarily [POWERPC] Fix cputable.h for combined build [POWERPC] Allow CONFIG_BOOTX_TEXT on iSeries [POWERPC] Allow xmon to build on legacy iSeries [POWERPC] Change ppc64_defconfig to use AUTOFS_V4 not V3 [POWERPC] Tell firmware we can handle POWER6 compatible mode [POWERPC] Clean images in arch/powerpc/boot [POWERPC] Fix OF pci flags parsing [POWERPC] defconfig for lite5200 board ...
Diffstat (limited to 'arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c')
-rw-r--r--arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c94
1 files changed, 23 insertions, 71 deletions
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index bdb475c65cb..3fcc85f60fb 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -60,7 +60,7 @@ 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 void tsi108_pci_int_init(struct device_node *node);
extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc);
int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn)
@@ -71,65 +71,6 @@ int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn)
return PCIBIOS_SUCCESSFUL;
}
-/*
- * find pci slot by devfn in interrupt map of OF tree
- */
-u8 find_slot_by_devfn(unsigned int *interrupt_map, unsigned int devfn)
-{
- int i;
- unsigned int tmp;
- for (i = 0; i < 4; i++){
- tmp = interrupt_map[i*4*7];
- if ((tmp >> 11) == (devfn >> 3))
- return i;
- }
- return i;
-}
-
-/*
- * Scans the interrupt map for pci device
- */
-void mpc7448_hpc2_fixup_irq(struct pci_dev *dev)
-{
- struct pci_controller *hose;
- struct device_node *node;
- const unsigned int *interrupt;
- int busnr;
- int len;
- u8 slot;
- u8 pin;
-
- /* Lookup the hose */
- busnr = dev->bus->number;
- hose = pci_bus_to_hose(busnr);
- if (!hose)
- printk(KERN_ERR "No pci hose found\n");
-
- /* Check it has an OF node associated */
- node = (struct device_node *) hose->arch_data;
- if (!node)
- printk(KERN_ERR "No pci node found\n");
-
- 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)
- pin = 1;
- pin--;
- dev->irq = interrupt[slot*4*7 + pin*7 + 5];
- DBG("TSI_PCI: dev->irq = 0x%x\n", dev->irq);
-}
-/* temporary pci irq map fixup*/
-
-void __init mpc7448_hpc2_pcibios_fixup(void)
-{
- struct pci_dev *dev = NULL;
- for_each_pci_dev(dev) {
- mpc7448_hpc2_fixup_irq(dev);
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
- }
-}
-
static void __init mpc7448_hpc2_setup_arch(void)
{
struct device_node *cpu;
@@ -192,9 +133,12 @@ static void __init mpc7448_hpc2_init_IRQ(void)
{
struct mpic *mpic;
phys_addr_t mpic_paddr = 0;
+ struct device_node *tsi_pic;
+#ifdef CONFIG_PCI
unsigned int cascade_pci_irq;
struct device_node *tsi_pci;
- struct device_node *tsi_pic;
+ struct device_node *cascade_node = NULL;
+#endif
tsi_pic = of_find_node_by_type(NULL, "open-pic");
if (tsi_pic) {
@@ -208,31 +152,41 @@ static void __init mpc7448_hpc2_init_IRQ(void)
return;
}
- DBG("%s: tsi108pic phys_addr = 0x%x\n", __FUNCTION__,
+ DBG("%s: tsi108 pic phys_addr = 0x%x\n", __FUNCTION__,
(u32) mpic_paddr);
mpic = mpic_alloc(tsi_pic, mpic_paddr,
MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
- 0, /* num_sources used */
- 0, /* num_sources used */
+ 24,
+ NR_IRQS-4, /* num_sources used */
"Tsi108_PIC");
- BUG_ON(mpic == NULL); /* XXXX */
+ BUG_ON(mpic == NULL);
+
+ mpic_assign_isu(mpic, 0, mpic_paddr + 0x100);
+
mpic_init(mpic);
+#ifdef CONFIG_PCI
tsi_pci = of_find_node_by_type(NULL, "pci");
- if (tsi_pci == 0) {
+ if (tsi_pci == NULL) {
printk("%s: No tsi108 pci node found !\n", __FUNCTION__);
return;
}
+ cascade_node = of_find_node_by_type(NULL, "pic-router");
+ if (cascade_node == NULL) {
+ printk("%s: No tsi108 pci cascade node found !\n", __FUNCTION__);
+ return;
+ }
cascade_pci_irq = irq_of_parse_and_map(tsi_pci, 0);
+ DBG("%s: tsi108 cascade_pci_irq = 0x%x\n", __FUNCTION__,
+ (u32) cascade_pci_irq);
+ tsi108_pci_int_init(cascade_node);
set_irq_data(cascade_pci_irq, mpic);
set_irq_chained_handler(cascade_pci_irq, tsi108_irq_cascade);
-
- tsi108_pci_int_init();
-
+#endif
/* Configure MPIC outputs to CPU0 */
tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0);
of_node_put(tsi_pic);
@@ -290,7 +244,6 @@ static int mpc7448_machine_check_exception(struct pt_regs *regs)
return 1;
}
return 0;
-
}
define_machine(mpc7448_hpc2){
@@ -300,7 +253,6 @@ define_machine(mpc7448_hpc2){
.init_IRQ = mpc7448_hpc2_init_IRQ,
.show_cpuinfo = mpc7448_hpc2_show_cpuinfo,
.get_irq = mpic_get_irq,
- .pcibios_fixup = mpc7448_hpc2_pcibios_fixup,
.restart = mpc7448_hpc2_restart,
.calibrate_decr = generic_calibrate_decr,
.machine_check_exception= mpc7448_machine_check_exception,