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 * @brief   EBUS 'reg' and 'ranges' properties handling.
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 * @brief   EBUS 'reg' and 'ranges' properties handling.
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 *
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 *
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 */
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 */
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#include <genarch/ofw/ofw_tree.h>
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#include <genarch/ofw/ofw_tree.h>
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#include <arch/drivers/pci.h>
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#include <arch/memstr.h>
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#include <arch/memstr.h>
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#include <arch/trap/interrupt.h>
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#include <func.h>
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#include <func.h>
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#include <panic.h>
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#include <panic.h>
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#include <debug.h>
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#include <debug.h>
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#include <macros.h>
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#include <macros.h>
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/** Apply EBUS ranges to EBUS register. */
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bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa)
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bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa)
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{
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{
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    ofw_tree_property_t *prop;
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    ofw_tree_property_t *prop;
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    ofw_ebus_range_t *range;
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    ofw_ebus_range_t *range;
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    count_t ranges;
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    count_t ranges;
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found:
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found:
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    /*
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    /*
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     * We found the device that functions as an interrupt controller
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     * We found the device that functions as an interrupt controller
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     * for the interrupt. We also found mapping from interrupt to INR.
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     * for the interrupt. We also found mapping from interrupt to INR.
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     * What needs to be done now is to verify that this indeed is a PCI
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     * node.
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     */
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     */
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    controller = ofw_tree_find_node_by_handle(ofw_tree_lookup("/"), intr_map[i].controller_handle);
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    controller = ofw_tree_find_node_by_handle(ofw_tree_lookup("/"), intr_map[i].controller_handle);
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    if (!controller)
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        return false;
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    if (strcmp(ofw_tree_node_name(controller), "pci") != 0) {
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        /*
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         * This is not a PCI node.
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         */
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        return false;
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    }
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    pci_t *pci = controller->device;
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    if (!pci) {
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        pci = pci_init(controller);
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        if (!pci)
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            return false;
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        controller->device = pci;
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    }
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    pci_enable_interrupt(pci, intr_map[i].controller_inr);
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    *inr = intr_map[i].controller_inr;
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    *inr = intr_map[i].controller_inr;
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    *inr |= 0x1f << IGN_SHIFT;      /* 0x1f is hardwired IGN */
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    return true;
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    return true;
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}
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}
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/** @}
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/** @}
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 */
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 */