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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 09:00:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 09:00:47 -0700
commit6c373ca89399c5a3f7ef210ad8f63dc3437da345 (patch)
tree74d1ec65087df1da1021b43ac51acc1ee8601809 /drivers/net/wireless/brcm80211/brcmfmac/chip.c
parentMerge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm (diff)
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue (diff)
downloadlinux-dev-6c373ca89399c5a3f7ef210ad8f63dc3437da345.tar.xz
linux-dev-6c373ca89399c5a3f7ef210ad8f63dc3437da345.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: 1) Add BQL support to via-rhine, from Tino Reichardt. 2) Integrate SWITCHDEV layer support into the DSA layer, so DSA drivers can support hw switch offloading. From Floria Fainelli. 3) Allow 'ip address' commands to initiate multicast group join/leave, from Madhu Challa. 4) Many ipv4 FIB lookup optimizations from Alexander Duyck. 5) Support EBPF in cls_bpf classifier and act_bpf action, from Daniel Borkmann. 6) Remove the ugly compat support in ARP for ugly layers like ax25, rose, etc. And use this to clean up the neigh layer, then use it to implement MPLS support. All from Eric Biederman. 7) Support L3 forwarding offloading in switches, from Scott Feldman. 8) Collapse the LOCAL and MAIN ipv4 FIB tables when possible, to speed up route lookups even further. From Alexander Duyck. 9) Many improvements and bug fixes to the rhashtable implementation, from Herbert Xu and Thomas Graf. In particular, in the case where an rhashtable user bulk adds a large number of items into an empty table, we expand the table much more sanely. 10) Don't make the tcp_metrics hash table per-namespace, from Eric Biederman. 11) Extend EBPF to access SKB fields, from Alexei Starovoitov. 12) Split out new connection request sockets so that they can be established in the main hash table. Much less false sharing since hash lookups go direct to the request sockets instead of having to go first to the listener then to the request socks hashed underneath. From Eric Dumazet. 13) Add async I/O support for crytpo AF_ALG sockets, from Tadeusz Struk. 14) Support stable privacy address generation for RFC7217 in IPV6. From Hannes Frederic Sowa. 15) Hash network namespace into IP frag IDs, also from Hannes Frederic Sowa. 16) Convert PTP get/set methods to use 64-bit time, from Richard Cochran. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1816 commits) fm10k: Bump driver version to 0.15.2 fm10k: corrected VF multicast update fm10k: mbx_update_max_size does not drop all oversized messages fm10k: reset head instead of calling update_max_size fm10k: renamed mbx_tx_dropped to mbx_tx_oversized fm10k: update xcast mode before synchronizing multicast addresses fm10k: start service timer on probe fm10k: fix function header comment fm10k: comment next_vf_mbx flow fm10k: don't handle mailbox events in iov_event path and always process mailbox fm10k: use separate workqueue for fm10k driver fm10k: Set PF queues to unlimited bandwidth during virtualization fm10k: expose tx_timeout_count as an ethtool stat fm10k: only increment tx_timeout_count in Tx hang path fm10k: remove extraneous "Reset interface" message fm10k: separate PF only stats so that VF does not display them fm10k: use hw->mac.max_queues for stats fm10k: only show actual queues, not the maximum in hardware fm10k: allow creation of VLAN on default vid fm10k: fix unused warnings ...
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/chip.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/chip.c310
1 files changed, 250 insertions, 60 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/brcm80211/brcmfmac/chip.c
index 04d2ca0d87d6..ab2fac8b2760 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/chip.c
@@ -100,9 +100,6 @@
#define BCM4329_CORE_SOCRAM_BASE 0x18003000
/* ARM Cortex M3 core, ID 0x82a */
#define BCM4329_CORE_ARM_BASE 0x18002000
-#define BCM4329_RAMSIZE 0x48000
-/* bcm43143 */
-#define BCM43143_RAMSIZE 0x70000
#define CORE_SB(base, field) \
(base + SBCONFIGOFF + offsetof(struct sbconfig, field))
@@ -150,6 +147,78 @@ struct sbconfig {
u32 sbidhigh; /* identification */
};
+/* bankidx and bankinfo reg defines corerev >= 8 */
+#define SOCRAM_BANKINFO_RETNTRAM_MASK 0x00010000
+#define SOCRAM_BANKINFO_SZMASK 0x0000007f
+#define SOCRAM_BANKIDX_ROM_MASK 0x00000100
+
+#define SOCRAM_BANKIDX_MEMTYPE_SHIFT 8
+/* socram bankinfo memtype */
+#define SOCRAM_MEMTYPE_RAM 0
+#define SOCRAM_MEMTYPE_R0M 1
+#define SOCRAM_MEMTYPE_DEVRAM 2
+
+#define SOCRAM_BANKINFO_SZBASE 8192
+#define SRCI_LSS_MASK 0x00f00000
+#define SRCI_LSS_SHIFT 20
+#define SRCI_SRNB_MASK 0xf0
+#define SRCI_SRNB_SHIFT 4
+#define SRCI_SRBSZ_MASK 0xf
+#define SRCI_SRBSZ_SHIFT 0
+#define SR_BSZ_BASE 14
+
+struct sbsocramregs {
+ u32 coreinfo;
+ u32 bwalloc;
+ u32 extracoreinfo;
+ u32 biststat;
+ u32 bankidx;
+ u32 standbyctrl;
+
+ u32 errlogstatus; /* rev 6 */
+ u32 errlogaddr; /* rev 6 */
+ /* used for patching rev 3 & 5 */
+ u32 cambankidx;
+ u32 cambankstandbyctrl;
+ u32 cambankpatchctrl;
+ u32 cambankpatchtblbaseaddr;
+ u32 cambankcmdreg;
+ u32 cambankdatareg;
+ u32 cambankmaskreg;
+ u32 PAD[1];
+ u32 bankinfo; /* corev 8 */
+ u32 bankpda;
+ u32 PAD[14];
+ u32 extmemconfig;
+ u32 extmemparitycsr;
+ u32 extmemparityerrdata;
+ u32 extmemparityerrcnt;
+ u32 extmemwrctrlandsize;
+ u32 PAD[84];
+ u32 workaround;
+ u32 pwrctl; /* corerev >= 2 */
+ u32 PAD[133];
+ u32 sr_control; /* corerev >= 15 */
+ u32 sr_status; /* corerev >= 15 */
+ u32 sr_address; /* corerev >= 15 */
+ u32 sr_data; /* corerev >= 15 */
+};
+
+#define SOCRAMREGOFFS(_f) offsetof(struct sbsocramregs, _f)
+
+#define ARMCR4_CAP (0x04)
+#define ARMCR4_BANKIDX (0x40)
+#define ARMCR4_BANKINFO (0x44)
+#define ARMCR4_BANKPDA (0x4C)
+
+#define ARMCR4_TCBBNB_MASK 0xf0
+#define ARMCR4_TCBBNB_SHIFT 4
+#define ARMCR4_TCBANB_MASK 0xf
+#define ARMCR4_TCBANB_SHIFT 0
+
+#define ARMCR4_BSZ_MASK 0x3f
+#define ARMCR4_BSZ_MULT 8192
+
struct brcmf_core_priv {
struct brcmf_core pub;
u32 wrapbase;
@@ -419,13 +488,13 @@ static struct brcmf_core *brcmf_chip_add_core(struct brcmf_chip_priv *ci,
return &core->pub;
}
-#ifdef DEBUG
/* safety check for chipinfo */
static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci)
{
struct brcmf_core_priv *core;
bool need_socram = false;
bool has_socram = false;
+ bool cpu_found = false;
int idx = 1;
list_for_each_entry(core, &ci->cores, list) {
@@ -435,22 +504,24 @@ static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci)
switch (core->pub.id) {
case BCMA_CORE_ARM_CM3:
+ cpu_found = true;
need_socram = true;
break;
case BCMA_CORE_INTERNAL_MEM:
has_socram = true;
break;
case BCMA_CORE_ARM_CR4:
- if (ci->pub.rambase == 0) {
- brcmf_err("RAM base not provided with ARM CR4 core\n");
- return -ENOMEM;
- }
+ cpu_found = true;
break;
default:
break;
}
}
+ if (!cpu_found) {
+ brcmf_err("CPU core not detected\n");
+ return -ENXIO;
+ }
/* check RAM core presence for ARM CM3 core */
if (need_socram && !has_socram) {
brcmf_err("RAM core not provided with ARM CM3 core\n");
@@ -458,56 +529,164 @@ static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci)
}
return 0;
}
-#else /* DEBUG */
-static inline int brcmf_chip_cores_check(struct brcmf_chip_priv *ci)
+
+static u32 brcmf_chip_core_read32(struct brcmf_core_priv *core, u16 reg)
{
- return 0;
+ return core->chip->ops->read32(core->chip->ctx, core->pub.base + reg);
}
-#endif
-static void brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci)
+static void brcmf_chip_core_write32(struct brcmf_core_priv *core,
+ u16 reg, u32 val)
{
- switch (ci->pub.chip) {
- case BRCM_CC_4329_CHIP_ID:
- ci->pub.ramsize = BCM4329_RAMSIZE;
- break;
- case BRCM_CC_43143_CHIP_ID:
- ci->pub.ramsize = BCM43143_RAMSIZE;
- break;
- case BRCM_CC_43241_CHIP_ID:
- ci->pub.ramsize = 0x90000;
- break;
- case BRCM_CC_4330_CHIP_ID:
- ci->pub.ramsize = 0x48000;
- break;
+ core->chip->ops->write32(core->chip->ctx, core->pub.base + reg, val);
+}
+
+static bool brcmf_chip_socram_banksize(struct brcmf_core_priv *core, u8 idx,
+ u32 *banksize)
+{
+ u32 bankinfo;
+ u32 bankidx = (SOCRAM_MEMTYPE_RAM << SOCRAM_BANKIDX_MEMTYPE_SHIFT);
+
+ bankidx |= idx;
+ brcmf_chip_core_write32(core, SOCRAMREGOFFS(bankidx), bankidx);
+ bankinfo = brcmf_chip_core_read32(core, SOCRAMREGOFFS(bankinfo));
+ *banksize = (bankinfo & SOCRAM_BANKINFO_SZMASK) + 1;
+ *banksize *= SOCRAM_BANKINFO_SZBASE;
+ return !!(bankinfo & SOCRAM_BANKINFO_RETNTRAM_MASK);
+}
+
+static void brcmf_chip_socram_ramsize(struct brcmf_core_priv *sr, u32 *ramsize,
+ u32 *srsize)
+{
+ u32 coreinfo;
+ uint nb, banksize, lss;
+ bool retent;
+ int i;
+
+ *ramsize = 0;
+ *srsize = 0;
+
+ if (WARN_ON(sr->pub.rev < 4))
+ return;
+
+ if (!brcmf_chip_iscoreup(&sr->pub))
+ brcmf_chip_resetcore(&sr->pub, 0, 0, 0);
+
+ /* Get info for determining size */
+ coreinfo = brcmf_chip_core_read32(sr, SOCRAMREGOFFS(coreinfo));
+ nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
+
+ if ((sr->pub.rev <= 7) || (sr->pub.rev == 12)) {
+ banksize = (coreinfo & SRCI_SRBSZ_MASK);
+ lss = (coreinfo & SRCI_LSS_MASK) >> SRCI_LSS_SHIFT;
+ if (lss != 0)
+ nb--;
+ *ramsize = nb * (1 << (banksize + SR_BSZ_BASE));
+ if (lss != 0)
+ *ramsize += (1 << ((lss - 1) + SR_BSZ_BASE));
+ } else {
+ nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
+ for (i = 0; i < nb; i++) {
+ retent = brcmf_chip_socram_banksize(sr, i, &banksize);
+ *ramsize += banksize;
+ if (retent)
+ *srsize += banksize;
+ }
+ }
+
+ /* hardcoded save&restore memory sizes */
+ switch (sr->chip->pub.chip) {
case BRCM_CC_4334_CHIP_ID:
- case BRCM_CC_43340_CHIP_ID:
- ci->pub.ramsize = 0x80000;
+ if (sr->chip->pub.chiprev < 2)
+ *srsize = (32 * 1024);
break;
- case BRCM_CC_4335_CHIP_ID:
- ci->pub.ramsize = 0xc0000;
- ci->pub.rambase = 0x180000;
+ case BRCM_CC_43430_CHIP_ID:
+ /* assume sr for now as we can not check
+ * firmware sr capability at this point.
+ */
+ *srsize = (64 * 1024);
break;
- case BRCM_CC_43362_CHIP_ID:
- ci->pub.ramsize = 0x3c000;
+ default:
break;
+ }
+}
+
+/** Return the TCM-RAM size of the ARMCR4 core. */
+static u32 brcmf_chip_tcm_ramsize(struct brcmf_core_priv *cr4)
+{
+ u32 corecap;
+ u32 memsize = 0;
+ u32 nab;
+ u32 nbb;
+ u32 totb;
+ u32 bxinfo;
+ u32 idx;
+
+ corecap = brcmf_chip_core_read32(cr4, ARMCR4_CAP);
+
+ nab = (corecap & ARMCR4_TCBANB_MASK) >> ARMCR4_TCBANB_SHIFT;
+ nbb = (corecap & ARMCR4_TCBBNB_MASK) >> ARMCR4_TCBBNB_SHIFT;
+ totb = nab + nbb;
+
+ for (idx = 0; idx < totb; idx++) {
+ brcmf_chip_core_write32(cr4, ARMCR4_BANKIDX, idx);
+ bxinfo = brcmf_chip_core_read32(cr4, ARMCR4_BANKINFO);
+ memsize += ((bxinfo & ARMCR4_BSZ_MASK) + 1) * ARMCR4_BSZ_MULT;
+ }
+
+ return memsize;
+}
+
+static u32 brcmf_chip_tcm_rambase(struct brcmf_chip_priv *ci)
+{
+ switch (ci->pub.chip) {
+ case BRCM_CC_4345_CHIP_ID:
+ return 0x198000;
+ case BRCM_CC_4335_CHIP_ID:
case BRCM_CC_4339_CHIP_ID:
case BRCM_CC_4354_CHIP_ID:
case BRCM_CC_4356_CHIP_ID:
case BRCM_CC_43567_CHIP_ID:
case BRCM_CC_43569_CHIP_ID:
case BRCM_CC_43570_CHIP_ID:
- ci->pub.ramsize = 0xc0000;
- ci->pub.rambase = 0x180000;
- break;
case BRCM_CC_43602_CHIP_ID:
- ci->pub.ramsize = 0xf0000;
- ci->pub.rambase = 0x180000;
- break;
+ return 0x180000;
default:
brcmf_err("unknown chip: %s\n", ci->pub.name);
break;
}
+ return 0;
+}
+
+static int brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci)
+{
+ struct brcmf_core_priv *mem_core;
+ struct brcmf_core *mem;
+
+ mem = brcmf_chip_get_core(&ci->pub, BCMA_CORE_ARM_CR4);
+ if (mem) {
+ mem_core = container_of(mem, struct brcmf_core_priv, pub);
+ ci->pub.ramsize = brcmf_chip_tcm_ramsize(mem_core);
+ ci->pub.rambase = brcmf_chip_tcm_rambase(ci);
+ if (!ci->pub.rambase) {
+ brcmf_err("RAM base not provided with ARM CR4 core\n");
+ return -EINVAL;
+ }
+ } else {
+ mem = brcmf_chip_get_core(&ci->pub, BCMA_CORE_INTERNAL_MEM);
+ mem_core = container_of(mem, struct brcmf_core_priv, pub);
+ brcmf_chip_socram_ramsize(mem_core, &ci->pub.ramsize,
+ &ci->pub.srsize);
+ }
+ brcmf_dbg(INFO, "RAM: base=0x%x size=%d (0x%x) sr=%d (0x%x)\n",
+ ci->pub.rambase, ci->pub.ramsize, ci->pub.ramsize,
+ ci->pub.srsize, ci->pub.srsize);
+
+ if (!ci->pub.ramsize) {
+ brcmf_err("RAM size is undetermined\n");
+ return -ENOMEM;
+ }
+ return 0;
}
static u32 brcmf_chip_dmp_get_desc(struct brcmf_chip_priv *ci, u32 *eromaddr,
@@ -660,6 +839,7 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci)
struct brcmf_core *core;
u32 regdata;
u32 socitype;
+ int ret;
/* Get CC core rev
* Chipid is assume to be at offset 0 from SI_ENUM_BASE
@@ -712,9 +892,13 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci)
return -ENODEV;
}
- brcmf_chip_get_raminfo(ci);
+ ret = brcmf_chip_cores_check(ci);
+ if (ret)
+ return ret;
- return brcmf_chip_cores_check(ci);
+ /* assure chip is passive for core access */
+ brcmf_chip_set_passive(&ci->pub);
+ return brcmf_chip_get_raminfo(ci);
}
static void brcmf_chip_disable_arm(struct brcmf_chip_priv *chip, u16 id)
@@ -778,12 +962,6 @@ static int brcmf_chip_setup(struct brcmf_chip_priv *chip)
if (chip->ops->setup)
ret = chip->ops->setup(chip->ctx, pub);
- /*
- * Make sure any on-chip ARM is off (in case strapping is wrong),
- * or downloaded code was already running.
- */
- brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3);
- brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4);
return ret;
}
@@ -799,7 +977,7 @@ struct brcmf_chip *brcmf_chip_attach(void *ctx,
err = -EINVAL;
if (WARN_ON(!ops->prepare))
err = -EINVAL;
- if (WARN_ON(!ops->exit_dl))
+ if (WARN_ON(!ops->activate))
err = -EINVAL;
if (err < 0)
return ERR_PTR(-EINVAL);
@@ -897,9 +1075,10 @@ void brcmf_chip_resetcore(struct brcmf_core *pub, u32 prereset, u32 reset,
}
static void
-brcmf_chip_cm3_enterdl(struct brcmf_chip_priv *chip)
+brcmf_chip_cm3_set_passive(struct brcmf_chip_priv *chip)
{
struct brcmf_core *core;
+ struct brcmf_core_priv *sr;
brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3);
core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211);
@@ -909,9 +1088,16 @@ brcmf_chip_cm3_enterdl(struct brcmf_chip_priv *chip)
D11_BCMA_IOCTL_PHYCLOCKEN);
core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM);
brcmf_chip_resetcore(core, 0, 0, 0);
+
+ /* disable bank #3 remap for this device */
+ if (chip->pub.chip == BRCM_CC_43430_CHIP_ID) {
+ sr = container_of(core, struct brcmf_core_priv, pub);
+ brcmf_chip_core_write32(sr, SOCRAMREGOFFS(bankidx), 3);
+ brcmf_chip_core_write32(sr, SOCRAMREGOFFS(bankpda), 0);
+ }
}
-static bool brcmf_chip_cm3_exitdl(struct brcmf_chip_priv *chip)
+static bool brcmf_chip_cm3_set_active(struct brcmf_chip_priv *chip)
{
struct brcmf_core *core;
@@ -921,7 +1107,7 @@ static bool brcmf_chip_cm3_exitdl(struct brcmf_chip_priv *chip)
return false;
}
- chip->ops->exit_dl(chip->ctx, &chip->pub, 0);
+ chip->ops->activate(chip->ctx, &chip->pub, 0);
core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CM3);
brcmf_chip_resetcore(core, 0, 0, 0);
@@ -930,7 +1116,7 @@ static bool brcmf_chip_cm3_exitdl(struct brcmf_chip_priv *chip)
}
static inline void
-brcmf_chip_cr4_enterdl(struct brcmf_chip_priv *chip)
+brcmf_chip_cr4_set_passive(struct brcmf_chip_priv *chip)
{
struct brcmf_core *core;
@@ -943,11 +1129,11 @@ brcmf_chip_cr4_enterdl(struct brcmf_chip_priv *chip)
D11_BCMA_IOCTL_PHYCLOCKEN);
}
-static bool brcmf_chip_cr4_exitdl(struct brcmf_chip_priv *chip, u32 rstvec)
+static bool brcmf_chip_cr4_set_active(struct brcmf_chip_priv *chip, u32 rstvec)
{
struct brcmf_core *core;
- chip->ops->exit_dl(chip->ctx, &chip->pub, rstvec);
+ chip->ops->activate(chip->ctx, &chip->pub, rstvec);
/* restore ARM */
core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CR4);
@@ -956,7 +1142,7 @@ static bool brcmf_chip_cr4_exitdl(struct brcmf_chip_priv *chip, u32 rstvec)
return true;
}
-void brcmf_chip_enter_download(struct brcmf_chip *pub)
+void brcmf_chip_set_passive(struct brcmf_chip *pub)
{
struct brcmf_chip_priv *chip;
struct brcmf_core *arm;
@@ -966,14 +1152,14 @@ void brcmf_chip_enter_download(struct brcmf_chip *pub)
chip = container_of(pub, struct brcmf_chip_priv, pub);
arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4);
if (arm) {
- brcmf_chip_cr4_enterdl(chip);
+ brcmf_chip_cr4_set_passive(chip);
return;
}
- brcmf_chip_cm3_enterdl(chip);
+ brcmf_chip_cm3_set_passive(chip);
}
-bool brcmf_chip_exit_download(struct brcmf_chip *pub, u32 rstvec)
+bool brcmf_chip_set_active(struct brcmf_chip *pub, u32 rstvec)
{
struct brcmf_chip_priv *chip;
struct brcmf_core *arm;
@@ -983,9 +1169,9 @@ bool brcmf_chip_exit_download(struct brcmf_chip *pub, u32 rstvec)
chip = container_of(pub, struct brcmf_chip_priv, pub);
arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4);
if (arm)
- return brcmf_chip_cr4_exitdl(chip, rstvec);
+ return brcmf_chip_cr4_set_active(chip, rstvec);
- return brcmf_chip_cm3_exitdl(chip);
+ return brcmf_chip_cm3_set_active(chip);
}
bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
@@ -1016,6 +1202,10 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
addr = CORE_CC_REG(base, chipcontrol_data);
reg = chip->ops->read32(chip->ctx, addr);
return (reg & pmu_cc3_mask) != 0;
+ case BRCM_CC_43430_CHIP_ID:
+ addr = CORE_CC_REG(base, sr_control1);
+ reg = chip->ops->read32(chip->ctx, addr);
+ return reg != 0;
default:
addr = CORE_CC_REG(base, pmucapabilities_ext);
reg = chip->ops->read32(chip->ctx, addr);