From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ... --- arch/sparc/kernel/prom_64.c | 633 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 633 insertions(+) create mode 100644 arch/sparc/kernel/prom_64.c (limited to 'arch/sparc/kernel/prom_64.c') diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c new file mode 100644 index 000000000..f883a50fa --- /dev/null +++ b/arch/sparc/kernel/prom_64.c @@ -0,0 +1,633 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Procedures for creating, accessing and interpreting the device tree. + * + * Paul Mackerras August 1996. + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. + * {engebret|bergner}@us.ibm.com + * + * Adapted for sparc64 by David S. Miller davem@davemloft.net + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "prom.h" + +void * __init prom_early_alloc(unsigned long size) +{ + void *ret = memblock_alloc(size, SMP_CACHE_BYTES); + + if (!ret) { + prom_printf("prom_early_alloc(%lu) failed\n", size); + prom_halt(); + } + + prom_early_allocated += size; + + return ret; +} + +/* The following routines deal with the black magic of fully naming a + * node. + * + * Certain well known named nodes are just the simple name string. + * + * Actual devices have an address specifier appended to the base name + * string, like this "foo@addr". The "addr" can be in any number of + * formats, and the platform plus the type of the node determine the + * format and how it is constructed. + * + * For children of the ROOT node, the naming convention is fixed and + * determined by whether this is a sun4u or sun4v system. + * + * For children of other nodes, it is bus type specific. So + * we walk up the tree until we discover a "device_type" property + * we recognize and we go from there. + * + * As an example, the boot device on my workstation has a full path: + * + * /pci@1e,600000/ide@d/disk@0,0:c + */ +static void __init sun4v_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct linux_prom64_registers *regs; + struct property *rprop; + u32 high_bits, low_bits, type; + + rprop = of_find_property(dp, "reg", NULL); + if (!rprop) + return; + + regs = rprop->value; + if (!of_node_is_root(dp->parent)) { + sprintf(tmp_buf, "%s@%x,%x", + name, + (unsigned int) (regs->phys_addr >> 32UL), + (unsigned int) (regs->phys_addr & 0xffffffffUL)); + return; + } + + type = regs->phys_addr >> 60UL; + high_bits = (regs->phys_addr >> 32UL) & 0x0fffffffUL; + low_bits = (regs->phys_addr & 0xffffffffUL); + + if (type == 0 || type == 8) { + const char *prefix = (type == 0) ? "m" : "i"; + + if (low_bits) + sprintf(tmp_buf, "%s@%s%x,%x", + name, prefix, + high_bits, low_bits); + else + sprintf(tmp_buf, "%s@%s%x", + name, + prefix, + high_bits); + } else if (type == 12) { + sprintf(tmp_buf, "%s@%x", + name, high_bits); + } +} + +static void __init sun4u_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct linux_prom64_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + if (!of_node_is_root(dp->parent)) { + sprintf(tmp_buf, "%s@%x,%x", + name, + (unsigned int) (regs->phys_addr >> 32UL), + (unsigned int) (regs->phys_addr & 0xffffffffUL)); + return; + } + + prop = of_find_property(dp, "upa-portid", NULL); + if (!prop) + prop = of_find_property(dp, "portid", NULL); + if (prop) { + unsigned long mask = 0xffffffffUL; + + if (tlb_type >= cheetah) + mask = 0x7fffff; + + sprintf(tmp_buf, "%s@%x,%x", + name, + *(u32 *)prop->value, + (unsigned int) (regs->phys_addr & mask)); + } +} + +/* "name@slot,offset" */ +static void __init sbus_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct linux_prom_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + sprintf(tmp_buf, "%s@%x,%x", + name, + regs->which_io, + regs->phys_addr); +} + +/* "name@devnum[,func]" */ +static void __init pci_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct linux_prom_pci_registers *regs; + struct property *prop; + unsigned int devfn; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + devfn = (regs->phys_hi >> 8) & 0xff; + if (devfn & 0x07) { + sprintf(tmp_buf, "%s@%x,%x", + name, + devfn >> 3, + devfn & 0x07); + } else { + sprintf(tmp_buf, "%s@%x", + name, + devfn >> 3); + } +} + +/* "name@UPA_PORTID,offset" */ +static void __init upa_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct linux_prom64_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + prop = of_find_property(dp, "upa-portid", NULL); + if (!prop) + return; + + sprintf(tmp_buf, "%s@%x,%x", + name, + *(u32 *) prop->value, + (unsigned int) (regs->phys_addr & 0xffffffffUL)); +} + +/* "name@reg" */ +static void __init vdev_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + sprintf(tmp_buf, "%s@%x", name, *regs); +} + +/* "name@addrhi,addrlo" */ +static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct linux_prom64_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + sprintf(tmp_buf, "%s@%x,%x", + name, + (unsigned int) (regs->phys_addr >> 32UL), + (unsigned int) (regs->phys_addr & 0xffffffffUL)); +} + +/* "name@bus,addr" */ +static void __init i2c_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + /* This actually isn't right... should look at the #address-cells + * property of the i2c bus node etc. etc. + */ + sprintf(tmp_buf, "%s@%x,%x", + name, regs[0], regs[1]); +} + +/* "name@reg0[,reg1]" */ +static void __init usb_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + if (prop->length == sizeof(u32) || regs[1] == 1) { + sprintf(tmp_buf, "%s@%x", + name, regs[0]); + } else { + sprintf(tmp_buf, "%s@%x,%x", + name, regs[0], regs[1]); + } +} + +/* "name@reg0reg1[,reg2reg3]" */ +static void __init ieee1394_path_component(struct device_node *dp, char *tmp_buf) +{ + const char *name = of_get_property(dp, "name", NULL); + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + if (regs[2] || regs[3]) { + sprintf(tmp_buf, "%s@%08x%08x,%04x%08x", + name, regs[0], regs[1], regs[2], regs[3]); + } else { + sprintf(tmp_buf, "%s@%08x%08x", + name, regs[0], regs[1]); + } +} + +static void __init __build_path_component(struct device_node *dp, char *tmp_buf) +{ + struct device_node *parent = dp->parent; + + if (parent != NULL) { + if (of_node_is_type(parent, "pci") || + of_node_is_type(parent, "pciex")) { + pci_path_component(dp, tmp_buf); + return; + } + if (of_node_is_type(parent, "sbus")) { + sbus_path_component(dp, tmp_buf); + return; + } + if (of_node_is_type(parent, "upa")) { + upa_path_component(dp, tmp_buf); + return; + } + if (of_node_is_type(parent, "ebus")) { + ebus_path_component(dp, tmp_buf); + return; + } + if (of_node_name_eq(parent, "usb") || + of_node_name_eq(parent, "hub")) { + usb_path_component(dp, tmp_buf); + return; + } + if (of_node_is_type(parent, "i2c")) { + i2c_path_component(dp, tmp_buf); + return; + } + if (of_node_is_type(parent, "firewire")) { + ieee1394_path_component(dp, tmp_buf); + return; + } + if (of_node_is_type(parent, "virtual-devices")) { + vdev_path_component(dp, tmp_buf); + return; + } + /* "isa" is handled with platform naming */ + } + + /* Use platform naming convention. */ + if (tlb_type == hypervisor) { + sun4v_path_component(dp, tmp_buf); + return; + } else { + sun4u_path_component(dp, tmp_buf); + } +} + +char * __init build_path_component(struct device_node *dp) +{ + const char *name = of_get_property(dp, "name", NULL); + char tmp_buf[64], *n; + + tmp_buf[0] = '\0'; + __build_path_component(dp, tmp_buf); + if (tmp_buf[0] == '\0') + strcpy(tmp_buf, name); + + n = prom_early_alloc(strlen(tmp_buf) + 1); + strcpy(n, tmp_buf); + + return n; +} + +static const char *get_mid_prop(void) +{ + return (tlb_type == spitfire ? "upa-portid" : "portid"); +} + +bool arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread) +{ + const char *mid_prop = get_mid_prop(); + int this_cpu_id; + + /* On hypervisor based platforms we interrogate the 'reg' + * property. On everything else we look for a 'upa-portid', + * 'portid', or 'cpuid' property. + */ + + if (tlb_type == hypervisor) { + struct property *prop = of_find_property(cpun, "reg", NULL); + u32 *regs; + + if (!prop) { + pr_warn("CPU node missing reg property\n"); + return false; + } + regs = prop->value; + this_cpu_id = regs[0] & 0x0fffffff; + } else { + this_cpu_id = of_getintprop_default(cpun, mid_prop, -1); + + if (this_cpu_id < 0) { + mid_prop = "cpuid"; + this_cpu_id = of_getintprop_default(cpun, mid_prop, -1); + } + if (this_cpu_id < 0) { + pr_warn("CPU node missing cpu ID property\n"); + return false; + } + } + if (this_cpu_id == cpu) { + if (thread) { + int proc_id = cpu_data(cpu).proc_id; + + /* On sparc64, the cpu thread information is obtained + * either from OBP or the machine description. We've + * actually probed this information already long before + * this interface gets called so instead of interrogating + * both the OF node and the MDESC again, just use what + * we discovered already. + */ + if (proc_id < 0) + proc_id = 0; + *thread = proc_id; + } + return true; + } + return false; +} + +static void *of_iterate_over_cpus(void *(*func)(struct device_node *, int, int), int arg) +{ + struct device_node *dp; + const char *mid_prop; + + mid_prop = get_mid_prop(); + for_each_node_by_type(dp, "cpu") { + int cpuid = of_getintprop_default(dp, mid_prop, -1); + const char *this_mid_prop = mid_prop; + void *ret; + + if (cpuid < 0) { + this_mid_prop = "cpuid"; + cpuid = of_getintprop_default(dp, this_mid_prop, -1); + } + if (cpuid < 0) { + prom_printf("OF: Serious problem, cpu lacks " + "%s property", this_mid_prop); + prom_halt(); + } +#ifdef CONFIG_SMP + if (cpuid >= NR_CPUS) { + printk(KERN_WARNING "Ignoring CPU %d which is " + ">= NR_CPUS (%d)\n", + cpuid, NR_CPUS); + continue; + } +#endif + ret = func(dp, cpuid, arg); + if (ret) + return ret; + } + return NULL; +} + +static void *check_cpu_node(struct device_node *dp, int cpuid, int id) +{ + if (id == cpuid) + return dp; + return NULL; +} + +struct device_node *of_find_node_by_cpuid(int cpuid) +{ + return of_iterate_over_cpus(check_cpu_node, cpuid); +} + +static void *record_one_cpu(struct device_node *dp, int cpuid, int arg) +{ + ncpus_probed++; +#ifdef CONFIG_SMP + set_cpu_present(cpuid, true); + set_cpu_possible(cpuid, true); +#endif + return NULL; +} + +void __init of_populate_present_mask(void) +{ + if (tlb_type == hypervisor) + return; + + ncpus_probed = 0; + of_iterate_over_cpus(record_one_cpu, 0); +} + +static void *fill_in_one_cpu(struct device_node *dp, int cpuid, int arg) +{ + struct device_node *portid_parent = NULL; + int portid = -1; + + if (of_find_property(dp, "cpuid", NULL)) { + int limit = 2; + + portid_parent = dp; + while (limit--) { + portid_parent = portid_parent->parent; + if (!portid_parent) + break; + portid = of_getintprop_default(portid_parent, + "portid", -1); + if (portid >= 0) + break; + } + } + +#ifndef CONFIG_SMP + /* On uniprocessor we only want the values for the + * real physical cpu the kernel booted onto, however + * cpu_data() only has one entry at index 0. + */ + if (cpuid != real_hard_smp_processor_id()) + return NULL; + cpuid = 0; +#endif + + cpu_data(cpuid).clock_tick = + of_getintprop_default(dp, "clock-frequency", 0); + + if (portid_parent) { + cpu_data(cpuid).dcache_size = + of_getintprop_default(dp, "l1-dcache-size", + 16 * 1024); + cpu_data(cpuid).dcache_line_size = + of_getintprop_default(dp, "l1-dcache-line-size", + 32); + cpu_data(cpuid).icache_size = + of_getintprop_default(dp, "l1-icache-size", + 8 * 1024); + cpu_data(cpuid).icache_line_size = + of_getintprop_default(dp, "l1-icache-line-size", + 32); + cpu_data(cpuid).ecache_size = + of_getintprop_default(dp, "l2-cache-size", 0); + cpu_data(cpuid).ecache_line_size = + of_getintprop_default(dp, "l2-cache-line-size", 0); + if (!cpu_data(cpuid).ecache_size || + !cpu_data(cpuid).ecache_line_size) { + cpu_data(cpuid).ecache_size = + of_getintprop_default(portid_parent, + "l2-cache-size", + (4 * 1024 * 1024)); + cpu_data(cpuid).ecache_line_size = + of_getintprop_default(portid_parent, + "l2-cache-line-size", 64); + } + + cpu_data(cpuid).core_id = portid + 1; + cpu_data(cpuid).proc_id = portid; + } else { + cpu_data(cpuid).dcache_size = + of_getintprop_default(dp, "dcache-size", 16 * 1024); + cpu_data(cpuid).dcache_line_size = + of_getintprop_default(dp, "dcache-line-size", 32); + + cpu_data(cpuid).icache_size = + of_getintprop_default(dp, "icache-size", 16 * 1024); + cpu_data(cpuid).icache_line_size = + of_getintprop_default(dp, "icache-line-size", 32); + + cpu_data(cpuid).ecache_size = + of_getintprop_default(dp, "ecache-size", + (4 * 1024 * 1024)); + cpu_data(cpuid).ecache_line_size = + of_getintprop_default(dp, "ecache-line-size", 64); + + cpu_data(cpuid).core_id = 0; + cpu_data(cpuid).proc_id = -1; + } + + return NULL; +} + +void __init of_fill_in_cpu_data(void) +{ + if (tlb_type == hypervisor) + return; + + of_iterate_over_cpus(fill_in_one_cpu, 0); + + smp_fill_in_sib_core_maps(); +} + +void __init of_console_init(void) +{ + char *msg = "OF stdout device is: %s\n"; + struct device_node *dp; + phandle node; + + of_console_path = prom_early_alloc(256); + if (prom_ihandle2path(prom_stdout, of_console_path, 256) < 0) { + prom_printf("Cannot obtain path of stdout.\n"); + prom_halt(); + } + of_console_options = strrchr(of_console_path, ':'); + if (of_console_options) { + of_console_options++; + if (*of_console_options == '\0') + of_console_options = NULL; + } + + node = prom_inst2pkg(prom_stdout); + if (!node) { + prom_printf("Cannot resolve stdout node from " + "instance %08x.\n", prom_stdout); + prom_halt(); + } + + dp = of_find_node_by_phandle(node); + + if (!of_node_is_type(dp, "display") && !of_node_is_type(dp, "serial")) { + prom_printf("Console device_type is neither display " + "nor serial.\n"); + prom_halt(); + } + + of_console_device = dp; + + printk(msg, of_console_path); +} -- cgit v1.2.3