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Diffstat (limited to 'drivers/ssb')
-rw-r--r--drivers/ssb/main.c30
-rw-r--r--drivers/ssb/pci.c96
-rw-r--r--drivers/ssb/pcihost_wrapper.c7
-rw-r--r--drivers/ssb/scan.c4
4 files changed, 107 insertions, 30 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index c68b3dc19e11..3918d2cc5856 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -383,6 +383,35 @@ static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env)
ssb_dev->id.revision);
}
+#define ssb_config_attr(attrib, field, format_string) \
+static ssize_t \
+attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+ return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
+}
+
+ssb_config_attr(core_num, core_index, "%u\n")
+ssb_config_attr(coreid, id.coreid, "0x%04x\n")
+ssb_config_attr(vendor, id.vendor, "0x%04x\n")
+ssb_config_attr(revision, id.revision, "%u\n")
+ssb_config_attr(irq, irq, "%u\n")
+static ssize_t
+name_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%s\n",
+ ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));
+}
+
+static struct device_attribute ssb_device_attrs[] = {
+ __ATTR_RO(name),
+ __ATTR_RO(core_num),
+ __ATTR_RO(coreid),
+ __ATTR_RO(vendor),
+ __ATTR_RO(revision),
+ __ATTR_RO(irq),
+ __ATTR_NULL,
+};
+
static struct bus_type ssb_bustype = {
.name = "ssb",
.match = ssb_bus_match,
@@ -392,6 +421,7 @@ static struct bus_type ssb_bustype = {
.suspend = ssb_device_suspend,
.resume = ssb_device_resume,
.uevent = ssb_device_uevent,
+ .dev_attrs = ssb_device_attrs,
};
static void ssb_buses_lock(void)
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 6e88d2b603b4..158449e55044 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -406,6 +406,46 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
out->antenna_gain.ghz5.a3 = gain;
}
+/* Revs 4 5 and 8 have partially shared layout */
+static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in)
+{
+ SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01,
+ SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT);
+ SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01,
+ SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT);
+ SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23,
+ SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT);
+ SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23,
+ SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT);
+
+ SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01,
+ SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT);
+ SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01,
+ SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT);
+ SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23,
+ SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT);
+ SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23,
+ SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT);
+
+ SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01,
+ SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT);
+ SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01,
+ SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT);
+ SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23,
+ SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT);
+ SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23,
+ SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT);
+
+ SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01,
+ SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT);
+ SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01,
+ SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT);
+ SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23,
+ SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT);
+ SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23,
+ SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT);
+}
+
static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
{
int i;
@@ -471,6 +511,8 @@ static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
sizeof(out->antenna_gain.ghz5));
+ sprom_extract_r458(out, in);
+
/* TODO - get remaining rev 4 stuff needed */
}
@@ -561,6 +603,8 @@ static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
sizeof(out->antenna_gain.ghz5));
+ sprom_extract_r458(out, in);
+
/* TODO - get remaining rev 8 stuff needed */
}
@@ -573,37 +617,34 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision);
memset(out->et0mac, 0xFF, 6); /* preset et0 and et1 mac */
memset(out->et1mac, 0xFF, 6);
+
if ((bus->chip_id & 0xFF00) == 0x4400) {
/* Workaround: The BCM44XX chip has a stupid revision
* number stored in the SPROM.
* Always extract r1. */
out->revision = 1;
+ ssb_dprintk(KERN_DEBUG PFX "SPROM treated as revision %d\n", out->revision);
+ }
+
+ switch (out->revision) {
+ case 1:
+ case 2:
+ case 3:
sprom_extract_r123(out, in);
- } else if (bus->chip_id == 0x4321) {
- /* the BCM4328 has a chipid == 0x4321 and a rev 4 SPROM */
- out->revision = 4;
+ break;
+ case 4:
+ case 5:
sprom_extract_r45(out, in);
- } else {
- switch (out->revision) {
- case 1:
- case 2:
- case 3:
- sprom_extract_r123(out, in);
- break;
- case 4:
- case 5:
- sprom_extract_r45(out, in);
- break;
- case 8:
- sprom_extract_r8(out, in);
- break;
- default:
- ssb_printk(KERN_WARNING PFX "Unsupported SPROM"
- " revision %d detected. Will extract"
- " v1\n", out->revision);
- out->revision = 1;
- sprom_extract_r123(out, in);
- }
+ break;
+ case 8:
+ sprom_extract_r8(out, in);
+ break;
+ default:
+ ssb_printk(KERN_WARNING PFX "Unsupported SPROM"
+ " revision %d detected. Will extract"
+ " v1\n", out->revision);
+ out->revision = 1;
+ sprom_extract_r123(out, in);
}
if (out->boardflags_lo == 0xFFFF)
@@ -618,7 +659,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
struct ssb_sprom *sprom)
{
const struct ssb_sprom *fallback;
- int err = -ENOMEM;
+ int err;
u16 *buf;
if (!ssb_is_sprom_available(bus)) {
@@ -645,7 +686,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
if (!buf)
- goto out;
+ return -ENOMEM;
bus->sprom_size = SSB_SPROMSIZE_WORDS_R123;
sprom_do_read(bus, buf);
err = sprom_check_crc(buf, bus->sprom_size);
@@ -655,7 +696,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
GFP_KERNEL);
if (!buf)
- goto out;
+ return -ENOMEM;
bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
sprom_do_read(bus, buf);
err = sprom_check_crc(buf, bus->sprom_size);
@@ -677,7 +718,6 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
out_free:
kfree(buf);
-out:
return err;
}
diff --git a/drivers/ssb/pcihost_wrapper.c b/drivers/ssb/pcihost_wrapper.c
index 6536a041d90d..f6c8c81a0025 100644
--- a/drivers/ssb/pcihost_wrapper.c
+++ b/drivers/ssb/pcihost_wrapper.c
@@ -59,6 +59,7 @@ static int ssb_pcihost_probe(struct pci_dev *dev,
struct ssb_bus *ssb;
int err = -ENOMEM;
const char *name;
+ u32 val;
ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
if (!ssb)
@@ -74,6 +75,12 @@ static int ssb_pcihost_probe(struct pci_dev *dev,
goto err_pci_disable;
pci_set_master(dev);
+ /* Disable the RETRY_TIMEOUT register (0x41) to keep
+ * PCI Tx retries from interfering with C3 CPU state */
+ pci_read_config_dword(dev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
+
err = ssb_bus_pcibus_register(ssb, dev);
if (err)
goto err_pci_release_regions;
diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index ee079ab9fb28..5a0985d4ce15 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -405,10 +405,10 @@ int ssb_bus_scan(struct ssb_bus *bus,
/* Ignore PCI cores on PCI-E cards.
* Ignore PCI-E cores on PCI cards. */
if (dev->id.coreid == SSB_DEV_PCI) {
- if (bus->host_pci->is_pcie)
+ if (pci_is_pcie(bus->host_pci))
continue;
} else {
- if (!bus->host_pci->is_pcie)
+ if (!pci_is_pcie(bus->host_pci))
continue;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 06:24:48 +0000