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authorJohn W. Linville <linville@tuxdriver.com>2011-07-22 17:51:16 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-07-22 17:51:16 -0400
commit41bf37117b47fc5ce2aae91f6a108e7e42e0b046 (patch)
treed5c8f24075313edfe548256dd931527f1569921e /drivers/bcma
parent415b3334a21aa67806c52d1acf4e72e14f7f402f (diff)
parent6e6e8c510a84fe3237ef02b954e58cca6a3f4b1a (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/bcma')
-rw-r--r--drivers/bcma/core.c72
-rw-r--r--drivers/bcma/driver_chipcommon.c14
-rw-r--r--drivers/bcma/driver_pci.c2
-rw-r--r--drivers/bcma/sprom.c14
4 files changed, 98 insertions, 4 deletions
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
index 1ec7d4528dd..4a04a49cc06 100644
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -50,3 +50,75 @@ int bcma_core_enable(struct bcma_device *core, u32 flags)
return 0;
}
EXPORT_SYMBOL_GPL(bcma_core_enable);
+
+void bcma_core_set_clockmode(struct bcma_device *core,
+ enum bcma_clkmode clkmode)
+{
+ u16 i;
+
+ WARN_ON(core->id.id != BCMA_CORE_CHIPCOMMON &&
+ core->id.id != BCMA_CORE_PCIE &&
+ core->id.id != BCMA_CORE_80211);
+
+ switch (clkmode) {
+ case BCMA_CLKMODE_FAST:
+ bcma_set32(core, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT);
+ udelay(64);
+ for (i = 0; i < 1500; i++) {
+ if (bcma_read32(core, BCMA_CLKCTLST) &
+ BCMA_CLKCTLST_HAVEHT) {
+ i = 0;
+ break;
+ }
+ udelay(10);
+ }
+ if (i)
+ pr_err("HT force timeout\n");
+ break;
+ case BCMA_CLKMODE_DYNAMIC:
+ pr_warn("Dynamic clockmode not supported yet!\n");
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_set_clockmode);
+
+void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, bool on)
+{
+ u16 i;
+
+ WARN_ON(req & ~BCMA_CLKCTLST_EXTRESREQ);
+ WARN_ON(status & ~BCMA_CLKCTLST_EXTRESST);
+
+ if (on) {
+ bcma_set32(core, BCMA_CLKCTLST, req);
+ for (i = 0; i < 10000; i++) {
+ if ((bcma_read32(core, BCMA_CLKCTLST) & status) ==
+ status) {
+ i = 0;
+ break;
+ }
+ udelay(10);
+ }
+ if (i)
+ pr_err("PLL enable timeout\n");
+ } else {
+ pr_warn("Disabling PLL not supported yet!\n");
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_pll_ctl);
+
+u32 bcma_core_dma_translation(struct bcma_device *core)
+{
+ switch (core->bus->hosttype) {
+ case BCMA_HOSTTYPE_PCI:
+ if (bcma_aread32(core, BCMA_IOST) & BCMA_IOST_DMA64)
+ return BCMA_DMA_TRANSLATION_DMA64_CMT;
+ else
+ return BCMA_DMA_TRANSLATION_DMA32_CMT;
+ default:
+ pr_err("DMA translation unknown for host %d\n",
+ core->bus->hosttype);
+ }
+ return BCMA_DMA_TRANSLATION_NONE;
+}
+EXPORT_SYMBOL(bcma_core_dma_translation);
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index 606102256b4..fb543024df2 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -23,6 +23,9 @@ static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
{
+ u32 leddc_on = 10;
+ u32 leddc_off = 90;
+
if (cc->core->id.rev >= 11)
cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP);
@@ -38,6 +41,17 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
bcma_pmu_init(cc);
if (cc->capabilities & BCMA_CC_CAP_PCTL)
pr_err("Power control not implemented!\n");
+
+ if (cc->core->id.rev >= 16) {
+ if (cc->core->bus->sprom.leddc_on_time &&
+ cc->core->bus->sprom.leddc_off_time) {
+ leddc_on = cc->core->bus->sprom.leddc_on_time;
+ leddc_off = cc->core->bus->sprom.leddc_off_time;
+ }
+ bcma_cc_write32(cc, BCMA_CC_GPIOTIMER,
+ ((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) |
+ (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT)));
+ }
}
/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index dc6f34ac96a..745d2649129 100644
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -172,8 +172,10 @@ static bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
chipid_top != 0x5300)
return false;
+#ifdef CONFIG_SSB_DRIVER_PCICORE
if (bus->sprom.boardflags_lo & SSB_PCICORE_BFL_NOPCI)
return false;
+#endif /* CONFIG_SSB_DRIVER_PCICORE */
#if 0
/* TODO: on BCMA we use address from EROM instead of magic formula */
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index 8e8d5cf32e1..8b5b7856abe 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -20,12 +20,12 @@
* R/W ops.
**************************************************/
-static void bcma_sprom_read(struct bcma_bus *bus, u16 *sprom)
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom)
{
int i;
for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
sprom[i] = bcma_read16(bus->drv_cc.core,
- BCMA_CC_SPROM + (i * 2));
+ offset + (i * 2));
}
/**************************************************
@@ -112,7 +112,7 @@ static int bcma_sprom_valid(const u16 *sprom)
return err;
revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
- if (revision != 8) {
+ if (revision != 8 && revision != 9) {
pr_err("Unsupported SPROM revision: %d\n", revision);
return -ENOENT;
}
@@ -137,6 +137,7 @@ static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
int bcma_sprom_get(struct bcma_bus *bus)
{
+ u16 offset;
u16 *sprom;
int err = 0;
@@ -151,7 +152,12 @@ int bcma_sprom_get(struct bcma_bus *bus)
if (!sprom)
return -ENOMEM;
- bcma_sprom_read(bus, sprom);
+ /* Most cards have SPROM moved by additional offset 0x30 (48 dwords).
+ * According to brcm80211 this applies to cards with PCIe rev >= 6
+ * TODO: understand this condition and use it */
+ offset = (bus->chipinfo.id == 0x4331) ? BCMA_CC_SPROM :
+ BCMA_CC_SPROM_PCIE6;
+ bcma_sprom_read(bus, offset, sprom);
err = bcma_sprom_valid(sprom);
if (err)