#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/version.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/proc_fs.h>
+#include <linux/capability.h>
#include <linux/device.h>
#include <linux/delay.h>
+#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
}
-static int tiocx_hotplug(struct device *dev, char **envp, int num_envp,
+static int tiocx_uevent(struct device *dev, char **envp, int num_envp,
char *buffer, int buffer_size)
{
return -ENODEV;
kfree(to_cx_dev(dev));
}
-struct bus_type tiocx_bus_type = {
- .name = "tiocx",
- .match = tiocx_match,
- .hotplug = tiocx_hotplug,
-};
-
/**
* cx_device_match - Find cx_device in the id table.
* @ids: id table from driver
return 0;
}
+struct bus_type tiocx_bus_type = {
+ .name = "tiocx",
+ .match = tiocx_match,
+ .uevent = tiocx_uevent,
+ .probe = cx_device_probe,
+ .remove = cx_driver_remove,
+};
+
/**
* cx_driver_register - Register the driver.
* @cx_driver: driver table (cx_drv struct) from driver
{
cx_driver->driver.name = cx_driver->name;
cx_driver->driver.bus = &tiocx_bus_type;
- cx_driver->driver.probe = cx_device_probe;
- cx_driver->driver.remove = cx_driver_remove;
return driver_register(&cx_driver->driver);
}
* @part_num: device's part number
* @mfg_num: device's manufacturer number
* @hubdev: hub info associated with this device
+ * @bt: board type of the device
*
*/
int
cx_device_register(nasid_t nasid, int part_num, int mfg_num,
- struct hubdev_info *hubdev)
+ struct hubdev_info *hubdev, int bt)
{
struct cx_dev *cx_dev;
- cx_dev = kcalloc(1, sizeof(struct cx_dev), GFP_KERNEL);
+ cx_dev = kzalloc(sizeof(struct cx_dev), GFP_KERNEL);
DBG("cx_dev= 0x%p\n", cx_dev);
if (cx_dev == NULL)
return -ENOMEM;
cx_dev->cx_id.mfg_num = mfg_num;
cx_dev->cx_id.nasid = nasid;
cx_dev->hubdev = hubdev;
+ cx_dev->bt = bt;
cx_dev->dev.parent = NULL;
cx_dev->dev.bus = &tiocx_bus_type;
cx_dev->dev.release = tiocx_bus_release;
- snprintf(cx_dev->dev.bus_id, BUS_ID_SIZE, "%d.0x%x",
- cx_dev->cx_id.nasid, cx_dev->cx_id.part_num);
+ snprintf(cx_dev->dev.bus_id, BUS_ID_SIZE, "%d",
+ cx_dev->cx_id.nasid);
device_register(&cx_dev->dev);
get_device(&cx_dev->dev);
*/
static int cx_device_reload(struct cx_dev *cx_dev)
{
- device_remove_file(&cx_dev->dev, &dev_attr_cxdev_control);
cx_device_unregister(cx_dev);
return cx_device_register(cx_dev->cx_id.nasid, cx_dev->cx_id.part_num,
- cx_dev->cx_id.mfg_num, cx_dev->hubdev);
+ cx_dev->cx_id.mfg_num, cx_dev->hubdev,
+ cx_dev->bt);
}
-static inline uint64_t tiocx_intr_alloc(nasid_t nasid, int widget,
+static inline u64 tiocx_intr_alloc(nasid_t nasid, int widget,
u64 sn_irq_info,
int req_irq, nasid_t req_nasid,
int req_slice)
if ((nasid & 1) == 0)
return NULL;
- sn_irq_info = kmalloc(sn_irq_size, GFP_KERNEL);
+ sn_irq_info = kzalloc(sn_irq_size, GFP_KERNEL);
if (sn_irq_info == NULL)
return NULL;
- memset(sn_irq_info, 0x0, sn_irq_size);
-
status = tiocx_intr_alloc(nasid, widget, __pa(sn_irq_info), irq,
req_nasid, slice);
if (status) {
void tiocx_irq_free(struct sn_irq_info *sn_irq_info)
{
- uint64_t bridge = (uint64_t) sn_irq_info->irq_bridge;
+ u64 bridge = (u64) sn_irq_info->irq_bridge;
nasid_t nasid = NASID_GET(bridge);
int widget;
}
}
-uint64_t tiocx_dma_addr(uint64_t addr)
+u64 tiocx_dma_addr(u64 addr)
{
return PHYS_TO_TIODMA(addr);
}
-uint64_t tiocx_swin_base(int nasid)
+u64 tiocx_swin_base(int nasid)
{
return TIO_SWIN_BASE(nasid, TIOCX_CORELET);
}
static void tio_conveyor_set(nasid_t nasid, int enable_flag)
{
- uint64_t ice_frz;
- uint64_t disable_cb = (1ull << 61);
+ u64 ice_frz;
+ u64 disable_cb = (1ull << 61);
if (!(nasid & 1))
return;
udelay(2000);
}
-static int tiocx_btchar_get(int nasid)
+static int is_fpga_tio(int nasid, int *bt)
{
- moduleid_t module_id;
- geoid_t geoid;
- int cnodeid;
-
- cnodeid = nasid_to_cnodeid(nasid);
- geoid = cnodeid_get_geoid(cnodeid);
- module_id = geo_module(geoid);
- return MODULE_GET_BTCHAR(module_id);
-}
+ u16 ioboard_type;
+ s64 rc;
-static int is_fpga_brick(int nasid)
-{
- switch (tiocx_btchar_get(nasid)) {
+ rc = ia64_sn_sysctl_ioboard_get(nasid, &ioboard_type);
+ if (rc) {
+ printk(KERN_WARNING "ia64_sn_sysctl_ioboard_get failed: %ld\n",
+ rc);
+ return 0;
+ }
+
+ switch (ioboard_type) {
case L1_BRICKTYPE_SA:
case L1_BRICKTYPE_ATHENA:
+ case L1_BOARDTYPE_DAYTONA:
+ *bt = ioboard_type;
return 1;
}
+
return 0;
}
static int bitstream_loaded(nasid_t nasid)
{
- uint64_t cx_credits;
+ u64 cx_credits;
cx_credits = REMOTE_HUB_L(nasid, TIO_ICE_PMI_TX_DYN_CREDIT_STAT_CB3);
cx_credits &= TIO_ICE_PMI_TX_DYN_CREDIT_STAT_CB3_CREDIT_CNT_MASK;
nasid_t nasid = cx_dev->cx_id.nasid;
if (bitstream_loaded(nasid)) {
- uint64_t cx_id;
-
- cx_id =
- *(volatile int32_t *)(TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
+ u64 cx_id;
+ int rv;
+
+ rv = ia64_sn_sysctl_tio_clock_reset(nasid);
+ if (rv) {
+ printk(KERN_ALERT "CX port JTAG reset failed.\n");
+ } else {
+ cx_id = *(volatile u64 *)
+ (TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
WIDGET_ID);
- part_num = XWIDGET_PART_NUM(cx_id);
- mfg_num = XWIDGET_MFG_NUM(cx_id);
- DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
- /* just ignore it if it's a CE */
- if (part_num == TIO_CE_ASIC_PARTNUM)
- return 0;
+ part_num = XWIDGET_PART_NUM(cx_id);
+ mfg_num = XWIDGET_MFG_NUM(cx_id);
+ DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
+ /* just ignore it if it's a CE */
+ if (part_num == TIO_CE_ASIC_PARTNUM)
+ return 0;
+ }
}
cx_dev->cx_id.part_num = part_num;
return cx_device_reload(cx_dev);
}
-static ssize_t show_cxdev_control(struct device *dev, char *buf)
+static ssize_t show_cxdev_control(struct device *dev, struct device_attribute *attr, char *buf)
{
struct cx_dev *cx_dev = to_cx_dev(dev);
- return sprintf(buf, "0x%x 0x%x 0x%x %d\n",
+ return sprintf(buf, "0x%x 0x%x 0x%x 0x%x\n",
cx_dev->cx_id.nasid,
cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num,
- tiocx_btchar_get(cx_dev->cx_id.nasid));
+ cx_dev->bt);
}
-static ssize_t store_cxdev_control(struct device *dev, const char *buf,
+static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *attr, const char *buf,
size_t count)
{
int n;
switch (n) {
case 1:
+ tio_corelet_reset(cx_dev->cx_id.nasid, TIOCX_CORELET);
+ tiocx_reload(cx_dev);
+ break;
+ case 2:
tiocx_reload(cx_dev);
break;
case 3:
cnodeid_t cnodeid;
int found_tiocx_device = 0;
+ if (!ia64_platform_is("sn2"))
+ return 0;
+
bus_register(&tiocx_bus_type);
- for (cnodeid = 0; cnodeid < MAX_COMPACT_NODES; cnodeid++) {
+ for (cnodeid = 0; cnodeid < num_cnodes; cnodeid++) {
nasid_t nasid;
+ int bt;
- if ((nasid = cnodeid_to_nasid(cnodeid)) < 0)
- break; /* No more nasids .. bail out of loop */
+ nasid = cnodeid_to_nasid(cnodeid);
- if ((nasid & 0x1) && is_fpga_brick(nasid)) {
+ if ((nasid & 0x1) && is_fpga_tio(nasid, &bt)) {
struct hubdev_info *hubdev;
struct xwidget_info *widgetp;
if (cx_device_register
(nasid, widgetp->xwi_hwid.part_num,
- widgetp->xwi_hwid.mfg_num, hubdev) < 0)
+ widgetp->xwi_hwid.mfg_num, hubdev, bt) < 0)
return -ENXIO;
else
found_tiocx_device++;
return 0;
}
-static void __exit tiocx_exit(void)
+static int cx_remove_device(struct device * dev, void * data)
{
- struct device *dev;
- struct device *tdev;
+ struct cx_dev *cx_dev = to_cx_dev(dev);
+ device_remove_file(dev, &dev_attr_cxdev_control);
+ cx_device_unregister(cx_dev);
+ return 0;
+}
+static void __exit tiocx_exit(void)
+{
DBG("tiocx_exit\n");
/*
* Unregister devices.
*/
- list_for_each_entry_safe(dev, tdev, &tiocx_bus_type.devices.list,
- bus_list) {
- if (dev) {
- struct cx_dev *cx_dev = to_cx_dev(dev);
- device_remove_file(dev, &dev_attr_cxdev_control);
- cx_device_unregister(cx_dev);
- }
- }
-
+ bus_for_each_dev(&tiocx_bus_type, NULL, NULL, cx_remove_device);
bus_unregister(&tiocx_bus_type);
}
-module_init(tiocx_init);
+subsys_initcall(tiocx_init);
module_exit(tiocx_exit);
/************************************************************************
git://git.onelab.eu / linux-2.6.git / blobdiff