diff options
Diffstat (limited to 'hw/intc/spapr_xive.c')
| -rw-r--r-- | hw/intc/spapr_xive.c | 125 |
1 files changed, 63 insertions, 62 deletions
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index 700ec5c9c1..37ffb74ca5 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -578,6 +578,68 @@ static void spapr_xive_print_info(SpaprInterruptController *intc, Monitor *mon) spapr_xive_pic_print_info(xive, mon); } +static void spapr_xive_dt(SpaprInterruptController *intc, uint32_t nr_servers, + void *fdt, uint32_t phandle) +{ + SpaprXive *xive = SPAPR_XIVE(intc); + int node; + uint64_t timas[2 * 2]; + /* Interrupt number ranges for the IPIs */ + uint32_t lisn_ranges[] = { + cpu_to_be32(0), + cpu_to_be32(nr_servers), + }; + /* + * EQ size - the sizes of pages supported by the system 4K, 64K, + * 2M, 16M. We only advertise 64K for the moment. + */ + uint32_t eq_sizes[] = { + cpu_to_be32(16), /* 64K */ + }; + /* + * The following array is in sync with the reserved priorities + * defined by the 'spapr_xive_priority_is_reserved' routine. + */ + uint32_t plat_res_int_priorities[] = { + cpu_to_be32(7), /* start */ + cpu_to_be32(0xf8), /* count */ + }; + + /* Thread Interrupt Management Area : User (ring 3) and OS (ring 2) */ + timas[0] = cpu_to_be64(xive->tm_base + + XIVE_TM_USER_PAGE * (1ull << TM_SHIFT)); + timas[1] = cpu_to_be64(1ull << TM_SHIFT); + timas[2] = cpu_to_be64(xive->tm_base + + XIVE_TM_OS_PAGE * (1ull << TM_SHIFT)); + timas[3] = cpu_to_be64(1ull << TM_SHIFT); + + _FDT(node = fdt_add_subnode(fdt, 0, xive->nodename)); + + _FDT(fdt_setprop_string(fdt, node, "device_type", "power-ivpe")); + _FDT(fdt_setprop(fdt, node, "reg", timas, sizeof(timas))); + + _FDT(fdt_setprop_string(fdt, node, "compatible", "ibm,power-ivpe")); + _FDT(fdt_setprop(fdt, node, "ibm,xive-eq-sizes", eq_sizes, + sizeof(eq_sizes))); + _FDT(fdt_setprop(fdt, node, "ibm,xive-lisn-ranges", lisn_ranges, + sizeof(lisn_ranges))); + + /* For Linux to link the LSIs to the interrupt controller. */ + _FDT(fdt_setprop(fdt, node, "interrupt-controller", NULL, 0)); + _FDT(fdt_setprop_cell(fdt, node, "#interrupt-cells", 2)); + + /* For SLOF */ + _FDT(fdt_setprop_cell(fdt, node, "linux,phandle", phandle)); + _FDT(fdt_setprop_cell(fdt, node, "phandle", phandle)); + + /* + * The "ibm,plat-res-int-priorities" property defines the priority + * ranges reserved by the hypervisor + */ + _FDT(fdt_setprop(fdt, 0, "ibm,plat-res-int-priorities", + plat_res_int_priorities, sizeof(plat_res_int_priorities))); +} + static void spapr_xive_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -601,6 +663,7 @@ static void spapr_xive_class_init(ObjectClass *klass, void *data) sicc->free_irq = spapr_xive_free_irq; sicc->set_irq = spapr_xive_set_irq; sicc->print_info = spapr_xive_print_info; + sicc->dt = spapr_xive_dt; } static const TypeInfo spapr_xive_info = { @@ -1601,65 +1664,3 @@ void spapr_xive_hcall_init(SpaprMachineState *spapr) spapr_register_hypercall(H_INT_SYNC, h_int_sync); spapr_register_hypercall(H_INT_RESET, h_int_reset); } - -void spapr_dt_xive(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt, - uint32_t phandle) -{ - SpaprXive *xive = spapr->xive; - int node; - uint64_t timas[2 * 2]; - /* Interrupt number ranges for the IPIs */ - uint32_t lisn_ranges[] = { - cpu_to_be32(0), - cpu_to_be32(nr_servers), - }; - /* - * EQ size - the sizes of pages supported by the system 4K, 64K, - * 2M, 16M. We only advertise 64K for the moment. - */ - uint32_t eq_sizes[] = { - cpu_to_be32(16), /* 64K */ - }; - /* - * The following array is in sync with the reserved priorities - * defined by the 'spapr_xive_priority_is_reserved' routine. - */ - uint32_t plat_res_int_priorities[] = { - cpu_to_be32(7), /* start */ - cpu_to_be32(0xf8), /* count */ - }; - - /* Thread Interrupt Management Area : User (ring 3) and OS (ring 2) */ - timas[0] = cpu_to_be64(xive->tm_base + - XIVE_TM_USER_PAGE * (1ull << TM_SHIFT)); - timas[1] = cpu_to_be64(1ull << TM_SHIFT); - timas[2] = cpu_to_be64(xive->tm_base + - XIVE_TM_OS_PAGE * (1ull << TM_SHIFT)); - timas[3] = cpu_to_be64(1ull << TM_SHIFT); - - _FDT(node = fdt_add_subnode(fdt, 0, xive->nodename)); - - _FDT(fdt_setprop_string(fdt, node, "device_type", "power-ivpe")); - _FDT(fdt_setprop(fdt, node, "reg", timas, sizeof(timas))); - - _FDT(fdt_setprop_string(fdt, node, "compatible", "ibm,power-ivpe")); - _FDT(fdt_setprop(fdt, node, "ibm,xive-eq-sizes", eq_sizes, - sizeof(eq_sizes))); - _FDT(fdt_setprop(fdt, node, "ibm,xive-lisn-ranges", lisn_ranges, - sizeof(lisn_ranges))); - - /* For Linux to link the LSIs to the interrupt controller. */ - _FDT(fdt_setprop(fdt, node, "interrupt-controller", NULL, 0)); - _FDT(fdt_setprop_cell(fdt, node, "#interrupt-cells", 2)); - - /* For SLOF */ - _FDT(fdt_setprop_cell(fdt, node, "linux,phandle", phandle)); - _FDT(fdt_setprop_cell(fdt, node, "phandle", phandle)); - - /* - * The "ibm,plat-res-int-priorities" property defines the priority - * ranges reserved by the hypervisor - */ - _FDT(fdt_setprop(fdt, 0, "ibm,plat-res-int-priorities", - plat_res_int_priorities, sizeof(plat_res_int_priorities))); -} |