diff options
Diffstat (limited to 'arch/powerpc/platforms/52xx/media5200.c')
| -rw-r--r-- | arch/powerpc/platforms/52xx/media5200.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index 07c5bc4ed0b5..19626cd42406 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -20,8 +20,9 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <asm/time.h> -#include <asm/prom.h> #include <asm/machdep.h> #include <asm/mpc52xx.h> @@ -78,7 +79,7 @@ static struct irq_chip media5200_irq_chip = { static void media5200_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); - int sub_virq, val; + int val; u32 status, enable; /* Mask off the cascaded IRQ */ @@ -92,11 +93,10 @@ static void media5200_irq_cascade(struct irq_desc *desc) enable = in_be32(media5200_irq.regs + MEDIA5200_IRQ_STATUS); val = ffs((status & enable) >> MEDIA5200_IRQ_SHIFT); if (val) { - sub_virq = irq_linear_revmap(media5200_irq.irqhost, val - 1); - /* pr_debug("%s: virq=%i s=%.8x e=%.8x hwirq=%i subvirq=%i\n", - * __func__, virq, status, enable, val - 1, sub_virq); + generic_handle_domain_irq(media5200_irq.irqhost, val - 1); + /* pr_debug("%s: virq=%i s=%.8x e=%.8x hwirq=%i\n", + * __func__, virq, status, enable, val - 1); */ - generic_handle_irq(sub_virq); } /* Processing done; can reenable the cascade now */ @@ -174,6 +174,8 @@ static void __init media5200_init_irq(void) goto out; pr_debug("%s: allocated irqhost\n", __func__); + of_node_put(fpga_np); + irq_set_handler_data(cascade_virq, &media5200_irq); irq_set_chained_handler(cascade_virq, media5200_irq_cascade); @@ -181,6 +183,7 @@ static void __init media5200_init_irq(void) out: pr_err("Could not find Media5200 FPGA; PCI interrupts will not work\n"); + of_node_put(fpga_np); } /* @@ -202,8 +205,6 @@ static void __init media5200_setup_arch(void) /* Some mpc5200 & mpc5200b related configuration */ mpc5200_setup_xlb_arbiter(); - mpc52xx_setup_pci(); - np = of_find_matching_node(NULL, mpc5200_gpio_ids); gpio = of_iomap(np, 0); of_node_put(np); @@ -226,27 +227,13 @@ static void __init media5200_setup_arch(void) } -/* list of the supported boards */ -static const char * const board[] __initconst = { - "fsl,media5200", - NULL -}; - -/* - * Called very early, MMU is off, device-tree isn't unflattened - */ -static int __init media5200_probe(void) -{ - return of_device_compatible_match(of_root, board); -} - define_machine(media5200_platform) { .name = "media5200-platform", - .probe = media5200_probe, + .compatible = "fsl,media5200", .setup_arch = media5200_setup_arch, + .discover_phbs = mpc52xx_setup_pci, .init = mpc52xx_declare_of_platform_devices, .init_IRQ = media5200_init_irq, .get_irq = mpc52xx_get_irq, .restart = mpc52xx_restart, - .calibrate_decr = generic_calibrate_decr, }; |