Today we're hardcoding the PCI interrupt map in the e500 machine file.
Instead, let's write it dynamically so that different machine types
can have different slot properties.
Signed-off-by: Alexander Graf <ag...@suse.de>
---
hw/ppc/e500.c | 51
+++++++++++++++++++++++++++++++--------------------
1 files changed, 31 insertions(+), 20 deletions(-)
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 1034f93..ebb6d96 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -66,25 +66,33 @@ struct boot_info
uint32_t entry;
};
-static void pci_map_create(void *fdt, uint32_t *pci_map, uint32_t
mpic)
+static uint32_t *pci_map_create(void *fdt, uint32_t mpic, int
first_slot,
+ int nr_slots, int *len)
{
- int i;
- const uint32_t tmp[] = {
- /* IDSEL 0x11 J17 Slot 1 */
- 0x8800, 0x0, 0x0, 0x1, mpic, 0x2, 0x1,
- 0x8800, 0x0, 0x0, 0x2, mpic, 0x3, 0x1,
- 0x8800, 0x0, 0x0, 0x3, mpic, 0x4, 0x1,
- 0x8800, 0x0, 0x0, 0x4, mpic, 0x1, 0x1,
-
- /* IDSEL 0x12 J16 Slot 2 */
- 0x9000, 0x0, 0x0, 0x1, mpic, 0x3, 0x1,
- 0x9000, 0x0, 0x0, 0x2, mpic, 0x4, 0x1,
- 0x9000, 0x0, 0x0, 0x3, mpic, 0x2, 0x1,
- 0x9000, 0x0, 0x0, 0x4, mpic, 0x1, 0x1,
- };
- for (i = 0; i < (7 * 8); i++) {
- pci_map[i] = cpu_to_be32(tmp[i]);
+ int i = 0;
+ int slot;
+ int pci_irq;
+ int last_slot = first_slot + nr_slots;
+ uint32_t *pci_map;
+
+ *len = nr_slots * 4 * 7 * sizeof(uint32_t);
+ pci_map = g_malloc(*len);
+
+ for (slot = first_slot; slot < last_slot; slot++) {
+ for (pci_irq = 0; pci_irq < 4; pci_irq++) {
+ pci_map[i++] = cpu_to_be32(slot << 11);
+ pci_map[i++] = cpu_to_be32(0x0);
+ pci_map[i++] = cpu_to_be32(0x0);
+ pci_map[i++] = cpu_to_be32(pci_irq + 1);
+ pci_map[i++] = cpu_to_be32(mpic);
+ pci_map[i++] = cpu_to_be32(((pci_irq + slot) % 4) + 1);
+ pci_map[i++] = cpu_to_be32(0x1);
+ }
}
