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Rev 2927 Rev 3674
Line 47... Line 47...
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#define PCI_ABS_MASK        0x80000000 
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#define PCI_ABS_MASK        0x80000000 
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#define PCI_REG_MASK        0x000000ff
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#define PCI_REG_MASK        0x000000ff
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#define PCI_IGN         0x1f
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#define PCI_IGN         0x1f
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- 
 
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bool
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bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa)
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ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_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_pci_range_t *range;
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    ofw_pci_range_t *range;
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    count_t ranges;
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    count_t ranges;
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    range = prop->value;
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    range = prop->value;
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    unsigned int i;
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    unsigned int i;
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    for (i = 0; i < ranges; i++) {
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    for (i = 0; i < ranges; i++) {
- 
 
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        if ((reg->space & PCI_SPACE_MASK) !=
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        if ((reg->space & PCI_SPACE_MASK) != (range[i].space & PCI_SPACE_MASK))
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            (range[i].space & PCI_SPACE_MASK))
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            continue;
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            continue;
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        if (overlaps(reg->addr, reg->size, range[i].child_base, range[i].size)) {
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        if (overlaps(reg->addr, reg->size, range[i].child_base,
- 
 
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            range[i].size)) {
- 
 
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            *pa = range[i].parent_base +
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            *pa = range[i].parent_base + (reg->addr - range[i].child_base);
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                (reg->addr - range[i].child_base);
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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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    return false;
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    return false;
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}
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}
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- 
 
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bool
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bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out)
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ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg,
- 
 
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    ofw_pci_reg_t *out)
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{
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{
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    if (reg->space & PCI_ABS_MASK) {
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    if (reg->space & PCI_ABS_MASK) {
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        /* already absolute */
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        /* already absolute */
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        out->space = reg->space;
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        out->space = reg->space;
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        out->addr = reg->addr;
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        out->addr = reg->addr;
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    assigned_address = prop->value;
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    assigned_address = prop->value;
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    unsigned int i;
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    unsigned int i;
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    for (i = 0; i < assigned_addresses; i++) {
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    for (i = 0; i < assigned_addresses; i++) {
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        if ((assigned_address[i].space & PCI_REG_MASK) == (reg->space & PCI_REG_MASK)) {
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        if ((assigned_address[i].space & PCI_REG_MASK) ==
- 
 
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            (reg->space & PCI_REG_MASK)) {
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            out->space = assigned_address[i].space;
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            out->space = assigned_address[i].space;
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            out->addr = reg->addr + assigned_address[i].addr;
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            out->addr = reg->addr + assigned_address[i].addr;
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            out->size = reg->size;
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            out->size = reg->size;
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            return true;
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            return true;
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        }
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        }
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/** Map PCI interrupt.
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/** Map PCI interrupt.
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 *
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 *
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 * So far, we only know how to map interrupts of non-PCI devices connected
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 * So far, we only know how to map interrupts of non-PCI devices connected
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 * to a PCI bridge.
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 * to a PCI bridge.
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 */
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 */
- 
 
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bool
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bool ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino, int *inr)
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ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino,
- 
 
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    int *inr, cir_t *cir, void **cir_arg)
123 
{
 132 
{
124 
    pci_t *pci = node->device;
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    pci_t *pci = node->device;
125 
    if (!pci) {
 134 
    if (!pci) {
126 
        pci = pci_init(node);
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        pci = pci_init(node);
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        if (!pci)
 136 
        if (!pci)
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    }
 139 
    }
131 
 
 140 
 
132 
    pci_enable_interrupt(pci, ino);
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    pci_enable_interrupt(pci, ino);
133 
 
 142 
 
134 
    *inr = (PCI_IGN << IGN_SHIFT) | ino;
 143 
    *inr = (PCI_IGN << IGN_SHIFT) | ino;
- 
 
 144 
    *cir = pci_clear_interrupt;
- 
 
 145 
    *cir_arg = pci;
135 
 
 146 
 
136 
    return true;
 147 
    return true;
137 
}
 148 
}
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 149 
 
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/** @}
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/** @}