diff options
Diffstat (limited to 'hw/ppc/pnv_lpc.c')
| -rw-r--r-- | hw/ppc/pnv_lpc.c | 76 |
1 files changed, 56 insertions, 20 deletions
diff --git a/hw/ppc/pnv_lpc.c b/hw/ppc/pnv_lpc.c index 9466d4a1be..18256d9ba3 100644 --- a/hw/ppc/pnv_lpc.c +++ b/hw/ppc/pnv_lpc.c @@ -24,7 +24,7 @@ #include "qemu/module.h" #include "hw/irq.h" #include "hw/isa/isa.h" - +#include "hw/qdev-properties.h" #include "hw/ppc/pnv.h" #include "hw/ppc/pnv_lpc.h" #include "hw/ppc/pnv_xscom.h" @@ -86,7 +86,7 @@ enum { #define ISA_FW_SIZE 0x10000000 #define LPC_IO_OPB_ADDR 0xd0010000 #define LPC_IO_OPB_SIZE 0x00010000 -#define LPC_MEM_OPB_ADDR 0xe0010000 +#define LPC_MEM_OPB_ADDR 0xe0000000 #define LPC_MEM_OPB_SIZE 0x10000000 #define LPC_FW_OPB_ADDR 0xf0000000 #define LPC_FW_OPB_SIZE 0x10000000 @@ -122,26 +122,36 @@ static int pnv_lpc_dt_xscom(PnvXScomInterface *dev, void *fdt, int xscom_offset) } /* POWER9 only */ -int pnv_dt_lpc(PnvChip *chip, void *fdt, int root_offset) +int pnv_dt_lpc(PnvChip *chip, void *fdt, int root_offset, uint64_t lpcm_addr, + uint64_t lpcm_size) { const char compat[] = "ibm,power9-lpcm-opb\0simple-bus"; const char lpc_compat[] = "ibm,power9-lpc\0ibm,lpc"; char *name; int offset, lpcm_offset; - uint64_t lpcm_addr = PNV9_LPCM_BASE(chip); uint32_t opb_ranges[8] = { 0, cpu_to_be32(lpcm_addr >> 32), cpu_to_be32((uint32_t)lpcm_addr), - cpu_to_be32(PNV9_LPCM_SIZE / 2), - cpu_to_be32(PNV9_LPCM_SIZE / 2), + cpu_to_be32(lpcm_size / 2), + cpu_to_be32(lpcm_size / 2), cpu_to_be32(lpcm_addr >> 32), - cpu_to_be32(PNV9_LPCM_SIZE / 2), - cpu_to_be32(PNV9_LPCM_SIZE / 2), + cpu_to_be32(lpcm_size / 2), + cpu_to_be32(lpcm_size / 2), }; uint32_t opb_reg[4] = { cpu_to_be32(lpcm_addr >> 32), cpu_to_be32((uint32_t)lpcm_addr), - cpu_to_be32(PNV9_LPCM_SIZE >> 32), - cpu_to_be32((uint32_t)PNV9_LPCM_SIZE), + cpu_to_be32(lpcm_size >> 32), + cpu_to_be32((uint32_t)lpcm_size), + }; + uint32_t lpc_ranges[12] = { 0, 0, + cpu_to_be32(LPC_MEM_OPB_ADDR), + cpu_to_be32(LPC_MEM_OPB_SIZE), + cpu_to_be32(1), 0, + cpu_to_be32(LPC_IO_OPB_ADDR), + cpu_to_be32(LPC_IO_OPB_SIZE), + cpu_to_be32(3), 0, + cpu_to_be32(LPC_FW_OPB_ADDR), + cpu_to_be32(LPC_FW_OPB_SIZE), }; uint32_t reg[2]; @@ -211,6 +221,8 @@ int pnv_dt_lpc(PnvChip *chip, void *fdt, int root_offset) _FDT((fdt_setprop_cell(fdt, offset, "#size-cells", 1))); _FDT((fdt_setprop(fdt, offset, "compatible", lpc_compat, sizeof(lpc_compat)))); + _FDT((fdt_setprop(fdt, offset, "ranges", lpc_ranges, + sizeof(lpc_ranges)))); return 0; } @@ -679,20 +691,24 @@ static const TypeInfo pnv_lpc_power9_info = { .class_init = pnv_lpc_power9_class_init, }; +static void pnv_lpc_power10_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->desc = "PowerNV LPC Controller POWER10"; +} + +static const TypeInfo pnv_lpc_power10_info = { + .name = TYPE_PNV10_LPC, + .parent = TYPE_PNV9_LPC, + .class_init = pnv_lpc_power10_class_init, +}; + static void pnv_lpc_realize(DeviceState *dev, Error **errp) { PnvLpcController *lpc = PNV_LPC(dev); - Object *obj; - Error *local_err = NULL; - obj = object_property_get_link(OBJECT(dev), "psi", &local_err); - if (!obj) { - error_propagate(errp, local_err); - error_prepend(errp, "required link 'psi' not found: "); - return; - } - /* The LPC controller needs PSI to generate interrupts */ - lpc->psi = PNV_PSI(obj); + assert(lpc->psi); /* Reg inits */ lpc->lpc_hc_fw_rd_acc_size = LPC_HC_FW_RD_4B; @@ -734,12 +750,18 @@ static void pnv_lpc_realize(DeviceState *dev, Error **errp) &lpc->lpc_hc_regs); } +static Property pnv_lpc_properties[] = { + DEFINE_PROP_LINK("psi", PnvLpcController, psi, TYPE_PNV_PSI, PnvPsi *), + DEFINE_PROP_END_OF_LIST(), +}; + static void pnv_lpc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = pnv_lpc_realize; dc->desc = "PowerNV LPC Controller"; + dc->props = pnv_lpc_properties; } static const TypeInfo pnv_lpc_info = { @@ -755,6 +777,7 @@ static void pnv_lpc_register_types(void) type_register_static(&pnv_lpc_info); type_register_static(&pnv_lpc_power8_info); type_register_static(&pnv_lpc_power9_info); + type_register_static(&pnv_lpc_power10_info); } type_init(pnv_lpc_register_types) @@ -801,6 +824,7 @@ ISABus *pnv_lpc_isa_create(PnvLpcController *lpc, bool use_cpld, Error **errp) ISABus *isa_bus; qemu_irq *irqs; qemu_irq_handler handler; + PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine()); /* let isa_bus_new() create its own bridge on SysBus otherwise * devices speficied on the command line won't find the bus and @@ -825,5 +849,17 @@ ISABus *pnv_lpc_isa_create(PnvLpcController *lpc, bool use_cpld, Error **errp) irqs = qemu_allocate_irqs(handler, lpc, ISA_NUM_IRQS); isa_bus_irqs(isa_bus, irqs); + + /* + * TODO: Map PNOR on the LPC FW address space on demand ? + */ + memory_region_add_subregion(&lpc->isa_fw, PNOR_SPI_OFFSET, + &pnv->pnor->mmio); + /* + * Start disabled. The HIOMAP protocol will activate the mapping + * with HIOMAP_C_CREATE_WRITE_WINDOW + */ + memory_region_set_enabled(&pnv->pnor->mmio, false); + return isa_bus; } |