From 2661f6ab2ba1694d7c19efdd622378817cb874ea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Thu, 5 Dec 2019 19:44:54 +0100 Subject: ppc/pnv: add a LPC Controller model for POWER10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Same a POWER9, only the MMIO window changes. Signed-off-by: Cédric Le Goater Message-Id: <20191205184454.10722-6-clg@kaod.org> Signed-off-by: David Gibson --- hw/ppc/pnv.c | 25 ++++++++++++++++++++++--- hw/ppc/pnv_lpc.c | 30 ++++++++++++++++++++++-------- 2 files changed, 44 insertions(+), 11 deletions(-) (limited to 'hw/ppc') diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 09263ab..67d0ad5 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -314,7 +314,7 @@ static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt) pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); } - pnv_dt_lpc(chip, fdt, 0); + pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE); } static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt) @@ -332,6 +332,8 @@ static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt) if (chip->ram_size) { pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); } + + pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE); } static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off) @@ -601,8 +603,8 @@ static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp) { - error_setg(errp, "No ISA bus!"); - return NULL; + Pnv10Chip *chip10 = PNV10_CHIP(chip); + return pnv_lpc_isa_create(&chip10->lpc, false, errp); } static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) @@ -1315,6 +1317,8 @@ static void pnv_chip_power10_instance_init(Object *obj) object_initialize_child(obj, "psi", &chip10->psi, sizeof(chip10->psi), TYPE_PNV10_PSI, &error_abort, NULL); + object_initialize_child(obj, "lpc", &chip10->lpc, sizeof(chip10->lpc), + TYPE_PNV10_LPC, &error_abort, NULL); } static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) @@ -1349,6 +1353,21 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) } pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE, &PNV_PSI(&chip10->psi)->xscom_regs); + + /* LPC */ + object_property_set_link(OBJECT(&chip10->lpc), OBJECT(&chip10->psi), "psi", + &error_abort); + object_property_set_bool(OBJECT(&chip10->lpc), true, "realized", + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip), + &chip10->lpc.xscom_regs); + + chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", + (uint64_t) PNV10_LPCM_BASE(chip)); } static void pnv_chip_power10_class_init(ObjectClass *klass, void *data) diff --git a/hw/ppc/pnv_lpc.c b/hw/ppc/pnv_lpc.c index dd5374c..18256d9 100644 --- a/hw/ppc/pnv_lpc.c +++ b/hw/ppc/pnv_lpc.c @@ -122,26 +122,26 @@ 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), @@ -691,6 +691,19 @@ 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); @@ -764,6 +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) -- cgit v1.1