#include <linux/major.h>
#include <linux/root_dev.h>
#include <linux/kernel.h>
+#include <linux/if_ether.h> /* ETH_ALEN */
#include <asm/processor.h>
#include <asm/machdep.h>
#include <asm/cache.h>
#include <asm/sections.h>
#include <asm/abs_addr.h>
+#include <asm/iseries/hv_types.h>
#include <asm/iseries/hv_lp_config.h>
#include <asm/iseries/hv_call_event.h>
#include <asm/iseries/hv_call_xm.h>
#include <asm/iseries/hv_lp_event.h>
#include <asm/iseries/lpar_map.h>
#include <asm/udbg.h>
+#include <asm/irq.h>
#include "naca.h"
#include "setup.h"
#include "main_store.h"
#include "call_sm.h"
#include "call_hpt.h"
+#include "call_pci.h"
+#include "pci.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
static void iSeries_pci_final_fixup(void) { }
#endif
-/* Global Variables */
-int piranha_simulator;
-
extern int rd_size; /* Defined in drivers/block/rd.c */
extern unsigned long embedded_sysmap_start;
extern unsigned long embedded_sysmap_end;
extern unsigned long iSeries_recal_tb;
extern unsigned long iSeries_recal_titan;
-static unsigned long cmd_mem_limit;
-
struct MemoryBlock {
unsigned long absStart;
unsigned long absEnd;
#ifdef CONFIG_SMP
smp_init_iSeries();
#endif
- if (itLpNaca.xPirEnvironMode == 0)
- piranha_simulator = 1;
/* Associate Lp Event Queue 0 with processor 0 */
HvCallEvent_setLpEventQueueInterruptProc(0, 0);
{
if (get_lppaca()->shared_proc) {
ppc_md.idle_loop = iseries_shared_idle;
- printk(KERN_INFO "Using shared processor idle loop\n");
+ printk(KERN_DEBUG "Using shared processor idle loop\n");
} else {
ppc_md.idle_loop = iseries_dedicated_idle;
- printk(KERN_INFO "Using dedicated idle loop\n");
+ printk(KERN_DEBUG "Using dedicated idle loop\n");
}
/* Setup the Lp Event Queue */
powerpc_firmware_features |= FW_FEATURE_ISERIES;
powerpc_firmware_features |= FW_FEATURE_LPAR;
+ /*
+ * The Hypervisor only allows us up to 256 interrupt
+ * sources (the irq number is passed in a u8).
+ */
+ virt_irq_max = 255;
+
return 1;
}
};
struct blob {
- unsigned char data[PAGE_SIZE];
+ unsigned char data[PAGE_SIZE * 2];
unsigned long next;
};
dt_prop_str(dt, "compatible", "IBM,iSeries");
}
+void dt_vdevices(struct iseries_flat_dt *dt)
+{
+ u32 reg = 0;
+ HvLpIndexMap vlan_map;
+ int i;
+ char buf[32];
+
+ dt_start_node(dt, "vdevice");
+ dt_prop_str(dt, "device_type", "vdevice");
+ dt_prop_str(dt, "compatible", "IBM,iSeries-vdevice");
+ dt_prop_u32(dt, "#address-cells", 1);
+ dt_prop_u32(dt, "#size-cells", 0);
+
+ snprintf(buf, sizeof(buf), "vty@%08x", reg);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "serial");
+ dt_prop_u32(dt, "reg", reg);
+ dt_end_node(dt);
+ reg++;
+
+ snprintf(buf, sizeof(buf), "v-scsi@%08x", reg);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "vscsi");
+ dt_prop_str(dt, "compatible", "IBM,v-scsi");
+ dt_prop_u32(dt, "reg", reg);
+ dt_end_node(dt);
+ reg++;
+
+ vlan_map = HvLpConfig_getVirtualLanIndexMap();
+ for (i = 0; i < HVMAXARCHITECTEDVIRTUALLANS; i++) {
+ unsigned char mac_addr[ETH_ALEN];
+
+ if ((vlan_map & (0x8000 >> i)) == 0)
+ continue;
+ snprintf(buf, 32, "l-lan@%08x", reg + i);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "network");
+ dt_prop_str(dt, "compatible", "IBM,iSeries-l-lan");
+ dt_prop_u32(dt, "reg", reg + i);
+ dt_prop_u32(dt, "linux,unit_address", i);
+
+ mac_addr[0] = 0x02;
+ mac_addr[1] = 0x01;
+ mac_addr[2] = 0xff;
+ mac_addr[3] = i;
+ mac_addr[4] = 0xff;
+ mac_addr[5] = HvLpConfig_getLpIndex_outline();
+ dt_prop(dt, "local-mac-address", (char *)mac_addr, ETH_ALEN);
+ dt_prop(dt, "mac-address", (char *)mac_addr, ETH_ALEN);
+ dt_prop_u32(dt, "max-frame-size", 9000);
+ dt_prop_u32(dt, "address-bits", 48);
+
+ dt_end_node(dt);
+ }
+ reg += HVMAXARCHITECTEDVIRTUALLANS;
+
+ for (i = 0; i < HVMAXARCHITECTEDVIRTUALDISKS; i++) {
+ snprintf(buf, 32, "viodasd@%08x", reg + i);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "block");
+ dt_prop_str(dt, "compatible", "IBM,iSeries-viodasd");
+ dt_prop_u32(dt, "reg", reg + i);
+ dt_prop_u32(dt, "linux,unit_address", i);
+ dt_end_node(dt);
+ }
+ reg += HVMAXARCHITECTEDVIRTUALDISKS;
+ for (i = 0; i < HVMAXARCHITECTEDVIRTUALCDROMS; i++) {
+ snprintf(buf, 32, "viocd@%08x", reg + i);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "block");
+ dt_prop_str(dt, "compatible", "IBM,iSeries-viocd");
+ dt_prop_u32(dt, "reg", reg + i);
+ dt_prop_u32(dt, "linux,unit_address", i);
+ dt_end_node(dt);
+ }
+ reg += HVMAXARCHITECTEDVIRTUALCDROMS;
+ for (i = 0; i < HVMAXARCHITECTEDVIRTUALTAPES; i++) {
+ snprintf(buf, 32, "viotape@%08x", reg + i);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "byte");
+ dt_prop_str(dt, "compatible", "IBM,iSeries-viotape");
+ dt_prop_u32(dt, "reg", reg + i);
+ dt_prop_u32(dt, "linux,unit_address", i);
+ dt_end_node(dt);
+ }
+
+ dt_end_node(dt);
+}
+
+/*
+ * This assumes that the node slot is always on the primary bus!
+ */
+static void scan_bridge_slot(struct iseries_flat_dt *dt, HvBusNumber bus,
+ struct HvCallPci_BridgeInfo *bridge_info)
+{
+ HvSubBusNumber sub_bus = bridge_info->subBusNumber;
+ u16 vendor_id;
+ u16 device_id;
+ u32 class_id;
+ int err;
+ char buf[32];
+ u32 reg[5];
+ int id_sel = ISERIES_GET_DEVICE_FROM_SUBBUS(sub_bus);
+ int function = ISERIES_GET_FUNCTION_FROM_SUBBUS(sub_bus);
+ HvAgentId eads_id_sel = ISERIES_PCI_AGENTID(id_sel, function);
+
+ /*
+ * Connect all functions of any device found.
+ */
+ for (id_sel = 1; id_sel <= bridge_info->maxAgents; id_sel++) {
+ for (function = 0; function < 8; function++) {
+ u8 devfn;
+
+ HvAgentId agent_id = ISERIES_PCI_AGENTID(id_sel,
+ function);
+ err = HvCallXm_connectBusUnit(bus, sub_bus,
+ agent_id, 0);
+ if (err) {
+ if (err != 0x302)
+ printk(KERN_DEBUG
+ "connectBusUnit(%x, %x, %x) "
+ "== %x\n",
+ bus, sub_bus, agent_id, err);
+ continue;
+ }
+
+ err = HvCallPci_configLoad16(bus, sub_bus, agent_id,
+ PCI_VENDOR_ID, &vendor_id);
+ if (err) {
+ printk(KERN_DEBUG
+ "ReadVendor(%x, %x, %x) == %x\n",
+ bus, sub_bus, agent_id, err);
+ continue;
+ }
+ err = HvCallPci_configLoad16(bus, sub_bus, agent_id,
+ PCI_DEVICE_ID, &device_id);
+ if (err) {
+ printk(KERN_DEBUG
+ "ReadDevice(%x, %x, %x) == %x\n",
+ bus, sub_bus, agent_id, err);
+ continue;
+ }
+ err = HvCallPci_configLoad32(bus, sub_bus, agent_id,
+ PCI_CLASS_REVISION , &class_id);
+ if (err) {
+ printk(KERN_DEBUG
+ "ReadClass(%x, %x, %x) == %x\n",
+ bus, sub_bus, agent_id, err);
+ continue;
+ }
+
+ devfn = PCI_DEVFN(ISERIES_ENCODE_DEVICE(eads_id_sel),
+ function);
+ if (function == 0)
+ snprintf(buf, sizeof(buf), "pci@%x",
+ PCI_SLOT(devfn));
+ else
+ snprintf(buf, sizeof(buf), "pci@%x,%d",
+ PCI_SLOT(devfn), function);
+ dt_start_node(dt, buf);
+ reg[0] = (bus << 18) | (devfn << 8);
+ reg[1] = 0;
+ reg[2] = 0;
+ reg[3] = 0;
+ reg[4] = 0;
+ dt_prop_u32_list(dt, "reg", reg, 5);
+ dt_prop_u32(dt, "vendor-id", vendor_id);
+ dt_prop_u32(dt, "device-id", device_id);
+ dt_prop_u32(dt, "class-code", class_id >> 8);
+ dt_prop_u32(dt, "revision-id", class_id & 0xff);
+ dt_prop_u32(dt, "linux,subbus", sub_bus);
+ dt_prop_u32(dt, "linux,agent-id", agent_id);
+ dt_prop_u32(dt, "linux,logical-slot-number",
+ bridge_info->logicalSlotNumber);
+ dt_end_node(dt);
+
+ }
+ }
+}
+
+static void scan_bridge(struct iseries_flat_dt *dt, HvBusNumber bus,
+ HvSubBusNumber sub_bus, int id_sel)
+{
+ struct HvCallPci_BridgeInfo bridge_info;
+ HvAgentId agent_id;
+ int function;
+ int ret;
+
+ /* Note: hvSubBus and irq is always be 0 at this level! */
+ for (function = 0; function < 8; ++function) {
+ agent_id = ISERIES_PCI_AGENTID(id_sel, function);
+ ret = HvCallXm_connectBusUnit(bus, sub_bus, agent_id, 0);
+ if (ret != 0) {
+ if (ret != 0xb)
+ printk(KERN_DEBUG "connectBusUnit(%x, %x, %x) "
+ "== %x\n",
+ bus, sub_bus, agent_id, ret);
+ continue;
+ }
+ printk("found device at bus %d idsel %d func %d (AgentId %x)\n",
+ bus, id_sel, function, agent_id);
+ ret = HvCallPci_getBusUnitInfo(bus, sub_bus, agent_id,
+ iseries_hv_addr(&bridge_info),
+ sizeof(struct HvCallPci_BridgeInfo));
+ if (ret != 0)
+ continue;
+ printk("bridge info: type %x subbus %x "
+ "maxAgents %x maxsubbus %x logslot %x\n",
+ bridge_info.busUnitInfo.deviceType,
+ bridge_info.subBusNumber,
+ bridge_info.maxAgents,
+ bridge_info.maxSubBusNumber,
+ bridge_info.logicalSlotNumber);
+ if (bridge_info.busUnitInfo.deviceType ==
+ HvCallPci_BridgeDevice)
+ scan_bridge_slot(dt, bus, &bridge_info);
+ else
+ printk("PCI: Invalid Bridge Configuration(0x%02X)",
+ bridge_info.busUnitInfo.deviceType);
+ }
+}
+
+static void scan_phb(struct iseries_flat_dt *dt, HvBusNumber bus)
+{
+ struct HvCallPci_DeviceInfo dev_info;
+ const HvSubBusNumber sub_bus = 0; /* EADs is always 0. */
+ int err;
+ int id_sel;
+ const int max_agents = 8;
+
+ /*
+ * Probe for EADs Bridges
+ */
+ for (id_sel = 1; id_sel < max_agents; ++id_sel) {
+ err = HvCallPci_getDeviceInfo(bus, sub_bus, id_sel,
+ iseries_hv_addr(&dev_info),
+ sizeof(struct HvCallPci_DeviceInfo));
+ if (err) {
+ if (err != 0x302)
+ printk(KERN_DEBUG "getDeviceInfo(%x, %x, %x) "
+ "== %x\n",
+ bus, sub_bus, id_sel, err);
+ continue;
+ }
+ if (dev_info.deviceType != HvCallPci_NodeDevice) {
+ printk(KERN_DEBUG "PCI: Invalid System Configuration"
+ "(0x%02X) for bus 0x%02x id 0x%02x.\n",
+ dev_info.deviceType, bus, id_sel);
+ continue;
+ }
+ scan_bridge(dt, bus, sub_bus, id_sel);
+ }
+}
+
+static void dt_pci_devices(struct iseries_flat_dt *dt)
+{
+ HvBusNumber bus;
+ char buf[32];
+ u32 buses[2];
+ int phb_num = 0;
+
+ /* Check all possible buses. */
+ for (bus = 0; bus < 256; bus++) {
+ int err = HvCallXm_testBus(bus);
+
+ if (err) {
+ /*
+ * Check for Unexpected Return code, a clue that
+ * something has gone wrong.
+ */
+ if (err != 0x0301)
+ printk(KERN_ERR "Unexpected Return on Probe"
+ "(0x%02X): 0x%04X", bus, err);
+ continue;
+ }
+ printk("bus %d appears to exist\n", bus);
+ snprintf(buf, 32, "pci@%d", phb_num);
+ dt_start_node(dt, buf);
+ dt_prop_str(dt, "device_type", "pci");
+ dt_prop_str(dt, "compatible", "IBM,iSeries-Logical-PHB");
+ dt_prop_u32(dt, "#address-cells", 3);
+ dt_prop_u32(dt, "#size-cells", 2);
+ buses[0] = buses[1] = bus;
+ dt_prop_u32_list(dt, "bus-range", buses, 2);
+ scan_phb(dt, bus);
+ dt_end_node(dt);
+ phb_num++;
+ }
+}
+
void build_flat_dt(struct iseries_flat_dt *dt, unsigned long phys_mem_size)
{
u64 tmp[2];
/* /chosen */
dt_start_node(dt, "chosen");
dt_prop_str(dt, "bootargs", cmd_line);
- if (cmd_mem_limit)
- dt_prop_u64(dt, "linux,memory-limit", cmd_mem_limit);
dt_end_node(dt);
dt_cpus(dt);
+ dt_vdevices(dt);
+ dt_pci_devices(dt);
+
dt_end_node(dt);
dt_push_u32(dt, OF_DT_END);
iSeries_get_cmdline();
- /* Save unparsed command line copy for /proc/cmdline */
- strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
-
- /* Parse early parameters, in particular mem=x */
- parse_early_param();
-
build_flat_dt(&iseries_dt, phys_mem_size);
return (void *) __pa(&iseries_dt);
}
-/*
- * On iSeries we just parse the mem=X option from the command line.
- * On pSeries it's a bit more complicated, see prom_init_mem()
- */
-static int __init early_parsemem(char *p)
-{
- if (p)
- cmd_mem_limit = ALIGN(memparse(p, &p), PAGE_SIZE);
- return 0;
-}
-early_param("mem", early_parsemem);
-
static void hvputc(char c)
{
if (c == '\n')
projects / karo-tx-linux.git / blobdiff