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openwrt/target/linux/generic/patches-3.10/025-bcma_backport.patch
Hauke Mehrtens fa839274b0 kernel: bcma: update to wireless-testing master-2013-10-01 
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 38290
2013-10-02 22:26:15 +00:00

993 lines
31 KiB
Diff
Raw Blame History

--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE
config BCMA_HOST_PCI
bool "Support for BCMA on PCI-host bus"
depends on BCMA_HOST_PCI_POSSIBLE
+ default y
config BCMA_DRIVER_PCI_HOSTMODE
bool "Driver for PCI core working in hostmode"
@@ -34,8 +35,14 @@ config BCMA_DRIVER_PCI_HOSTMODE
PCI core hostmode operation (external PCI bus).
config BCMA_HOST_SOC
- bool
- depends on BCMA_DRIVER_MIPS
+ bool "Support for BCMA in a SoC"
+ depends on BCMA
+ help
+ Host interface for a Broadcom AIX bus directly mapped into
+ the memory. This only works with the Broadcom SoCs from the
+ BCM47XX line.
+
+ If unsure, say N
config BCMA_DRIVER_MIPS
bool "BCMA Broadcom MIPS core driver"
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -22,6 +22,8 @@
struct bcma_bus;
/* main.c */
+bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+ int timeout);
int bcma_bus_register(struct bcma_bus *bus);
void bcma_bus_unregister(struct bcma_bus *bus);
int __init bcma_bus_early_register(struct bcma_bus *bus,
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -9,6 +9,25 @@
#include <linux/export.h>
#include <linux/bcma/bcma.h>
+static bool bcma_core_wait_value(struct bcma_device *core, u16 reg, u32 mask,
+ u32 value, int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = bcma_aread32(core, reg);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+ return false;
+}
+
bool bcma_core_is_enabled(struct bcma_device *core)
{
if ((bcma_aread32(core, BCMA_IOCTL) & (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC))
@@ -25,13 +44,15 @@ void bcma_core_disable(struct bcma_devic
if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
return;
- bcma_awrite32(core, BCMA_IOCTL, flags);
- bcma_aread32(core, BCMA_IOCTL);
- udelay(10);
+ bcma_core_wait_value(core, BCMA_RESET_ST, ~0, 0, 300);
bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
bcma_aread32(core, BCMA_RESET_CTL);
udelay(1);
+
+ bcma_awrite32(core, BCMA_IOCTL, flags);
+ bcma_aread32(core, BCMA_IOCTL);
+ udelay(10);
}
EXPORT_SYMBOL_GPL(bcma_core_disable);
@@ -43,6 +64,7 @@ int bcma_core_enable(struct bcma_device
bcma_aread32(core, BCMA_IOCTL);
bcma_awrite32(core, BCMA_RESET_CTL, 0);
+ bcma_aread32(core, BCMA_RESET_CTL);
udelay(1);
bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags));
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -140,8 +140,15 @@ void bcma_core_chipcommon_init(struct bc
bcma_core_chipcommon_early_init(cc);
if (cc->core->id.rev >= 20) {
- bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0);
- bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0);
+ u32 pullup = 0, pulldown = 0;
+
+ if (cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM43142) {
+ pullup = 0x402e0;
+ pulldown = 0x20500;
+ }
+
+ bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, pullup);
+ bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, pulldown);
}
if (cc->capabilities & BCMA_CC_CAP_PMU)
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -56,6 +56,109 @@ void bcma_chipco_regctl_maskset(struct b
}
EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
+static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc)
+{
+ u32 ilp_ctl, alp_hz;
+
+ if (!(bcma_cc_read32(cc, BCMA_CC_PMU_STAT) &
+ BCMA_CC_PMU_STAT_EXT_LPO_AVAIL))
+ return 0;
+
+ bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ,
+ BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT));
+ usleep_range(1000, 2000);
+
+ ilp_ctl = bcma_cc_read32(cc, BCMA_CC_PMU_XTAL_FREQ);
+ ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK;
+
+ bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0);
+
+ alp_hz = ilp_ctl * 32768 / 4;
+ return (alp_hz + 50000) / 100000 * 100;
+}
+
+static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 freq_tgt_target = 0, freq_tgt_current;
+ u32 pll0, mask;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM43142:
+ /* pmu2_xtaltab0_adfll_485 */
+ switch (xtalfreq) {
+ case 12000:
+ freq_tgt_target = 0x50D52;
+ break;
+ case 20000:
+ freq_tgt_target = 0x307FE;
+ break;
+ case 26000:
+ freq_tgt_target = 0x254EA;
+ break;
+ case 37400:
+ freq_tgt_target = 0x19EF8;
+ break;
+ case 52000:
+ freq_tgt_target = 0x12A75;
+ break;
+ }
+ break;
+ }
+
+ if (!freq_tgt_target) {
+ bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n",
+ xtalfreq);
+ return;
+ }
+
+ pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0);
+ freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >>
+ BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
+
+ if (freq_tgt_current == freq_tgt_target) {
+ bcma_debug(bus, "Target TGT frequency already set\n");
+ return;
+ }
+
+ /* Turn off PLL */
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM43142:
+ mask = (u32)~(BCMA_RES_4314_HT_AVAIL |
+ BCMA_RES_4314_MACPHY_CLK_AVAIL);
+
+ bcma_cc_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask);
+ bcma_cc_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask);
+ bcma_wait_value(cc->core, BCMA_CLKCTLST,
+ BCMA_CLKCTLST_HAVEHT, 0, 20000);
+ break;
+ }
+
+ pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK;
+ pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
+ bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0);
+
+ /* Flush */
+ if (cc->pmu.rev >= 2)
+ bcma_cc_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD);
+
+ /* TODO: Do we need to update OTP? */
+}
+
+static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 xtalfreq = bcma_pmu_xtalfreq(cc);
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM43142:
+ if (xtalfreq == 0)
+ xtalfreq = 20000;
+ bcma_pmu2_pll_init0(cc, xtalfreq);
+ break;
+ }
+}
+
static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
@@ -66,6 +169,25 @@ static void bcma_pmu_resources_init(stru
min_msk = 0x200D;
max_msk = 0xFFFF;
break;
+ case BCMA_CHIP_ID_BCM43142:
+ min_msk = BCMA_RES_4314_LPLDO_PU |
+ BCMA_RES_4314_PMU_SLEEP_DIS |
+ BCMA_RES_4314_PMU_BG_PU |
+ BCMA_RES_4314_CBUCK_LPOM_PU |
+ BCMA_RES_4314_CBUCK_PFM_PU |
+ BCMA_RES_4314_CLDO_PU |
+ BCMA_RES_4314_LPLDO2_LVM |
+ BCMA_RES_4314_WL_PMU_PU |
+ BCMA_RES_4314_LDO3P3_PU |
+ BCMA_RES_4314_OTP_PU |
+ BCMA_RES_4314_WL_PWRSW_PU |
+ BCMA_RES_4314_LQ_AVAIL |
+ BCMA_RES_4314_LOGIC_RET |
+ BCMA_RES_4314_MEM_SLEEP |
+ BCMA_RES_4314_MACPHY_RET |
+ BCMA_RES_4314_WL_CORE_READY;
+ max_msk = 0x3FFFFFFF;
+ break;
default:
bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
bus->chipinfo.id);
@@ -165,6 +287,7 @@ void bcma_pmu_init(struct bcma_drv_cc *c
bcma_cc_set32(cc, BCMA_CC_PMU_CTL,
BCMA_CC_PMU_CTL_NOILPONW);
+ bcma_pmu_pll_init(cc);
bcma_pmu_resources_init(cc);
bcma_pmu_workarounds(cc);
}
--- a/drivers/bcma/driver_chipcommon_sflash.c
+++ b/drivers/bcma/driver_chipcommon_sflash.c
@@ -30,7 +30,7 @@ struct bcma_sflash_tbl_e {
u16 numblocks;
};
-static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
{ "M25P20", 0x11, 0x10000, 4, },
{ "M25P40", 0x12, 0x10000, 8, },
@@ -41,7 +41,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
{ 0 },
};
-static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
{ "SST25WF512", 1, 0x1000, 16, },
{ "SST25VF512", 0x48, 0x1000, 16, },
{ "SST25WF010", 2, 0x1000, 32, },
@@ -59,7 +59,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
{ 0 },
};
-static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
{ "AT45DB011", 0xc, 256, 512, },
{ "AT45DB021", 0x14, 256, 1024, },
{ "AT45DB041", 0x1c, 256, 2048, },
@@ -89,7 +89,7 @@ int bcma_sflash_init(struct bcma_drv_cc
{
struct bcma_bus *bus = cc->core->bus;
struct bcma_sflash *sflash = &cc->sflash;
- struct bcma_sflash_tbl_e *e;
+ const struct bcma_sflash_tbl_e *e;
u32 id, id2;
switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -275,6 +275,7 @@ static DEFINE_PCI_DEVICE_TABLE(bcma_pci_
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
{ 0, },
};
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -93,6 +93,25 @@ struct bcma_device *bcma_find_core_unit(
return NULL;
}
+bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+ int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = bcma_read32(core, reg);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+ return false;
+}
+
static void bcma_release_core_dev(struct device *dev)
{
struct bcma_device *core = container_of(dev, struct bcma_device, dev);
@@ -218,7 +237,7 @@ int bcma_bus_register(struct bcma_bus *b
err = bcma_bus_scan(bus);
if (err) {
bcma_err(bus, "Failed to scan: %d\n", err);
- return -1;
+ return err;
}
/* Early init CC core */
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -72,12 +72,12 @@ fail:
* R/W ops.
**************************************************/
-static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom)
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom,
+ size_t words)
{
int i;
- for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
- sprom[i] = bcma_read16(bus->drv_cc.core,
- offset + (i * 2));
+ for (i = 0; i < words; i++)
+ sprom[i] = bcma_read16(bus->drv_cc.core, offset + (i * 2));
}
/**************************************************
@@ -124,29 +124,29 @@ static inline u8 bcma_crc8(u8 crc, u8 da
return t[crc ^ data];
}
-static u8 bcma_sprom_crc(const u16 *sprom)
+static u8 bcma_sprom_crc(const u16 *sprom, size_t words)
{
int word;
u8 crc = 0xFF;
- for (word = 0; word < SSB_SPROMSIZE_WORDS_R4 - 1; word++) {
+ for (word = 0; word < words - 1; word++) {
crc = bcma_crc8(crc, sprom[word] & 0x00FF);
crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8);
}
- crc = bcma_crc8(crc, sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & 0x00FF);
+ crc = bcma_crc8(crc, sprom[words - 1] & 0x00FF);
crc ^= 0xFF;
return crc;
}
-static int bcma_sprom_check_crc(const u16 *sprom)
+static int bcma_sprom_check_crc(const u16 *sprom, size_t words)
{
u8 crc;
u8 expected_crc;
u16 tmp;
- crc = bcma_sprom_crc(sprom);
- tmp = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_CRC;
+ crc = bcma_sprom_crc(sprom, words);
+ tmp = sprom[words - 1] & SSB_SPROM_REVISION_CRC;
expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
if (crc != expected_crc)
return -EPROTO;
@@ -154,21 +154,25 @@ static int bcma_sprom_check_crc(const u1
return 0;
}
-static int bcma_sprom_valid(const u16 *sprom)
+static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom,
+ size_t words)
{
u16 revision;
int err;
- err = bcma_sprom_check_crc(sprom);
+ err = bcma_sprom_check_crc(sprom, words);
if (err)
return err;
- revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
- if (revision != 8 && revision != 9) {
+ revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
+ if (revision != 8 && revision != 9 && revision != 10) {
pr_err("Unsupported SPROM revision: %d\n", revision);
return -ENOENT;
}
+ bus->sprom.revision = revision;
+ bcma_debug(bus, "Found SPROM revision %d\n", revision);
+
return 0;
}
@@ -208,9 +212,6 @@ static void bcma_sprom_extract_r8(struct
BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
ARRAY_SIZE(bus->sprom.core_pwr_info));
- bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] &
- SSB_SPROM_REVISION_REV;
-
for (i = 0; i < 3; i++) {
v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
*(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
@@ -502,7 +503,7 @@ static bool bcma_sprom_onchip_available(
case BCMA_CHIP_ID_BCM4331:
present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT;
break;
-
+ case BCMA_CHIP_ID_BCM43142:
case BCMA_CHIP_ID_BCM43224:
case BCMA_CHIP_ID_BCM43225:
/* for these chips OTP is always available */
@@ -550,7 +551,9 @@ int bcma_sprom_get(struct bcma_bus *bus)
{
u16 offset = BCMA_CC_SPROM;
u16 *sprom;
- int err = 0;
+ size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+ SSB_SPROMSIZE_WORDS_R10, };
+ int i, err = 0;
if (!bus->drv_cc.core)
return -EOPNOTSUPP;
@@ -579,32 +582,37 @@ int bcma_sprom_get(struct bcma_bus *bus)
}
}
- sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
- GFP_KERNEL);
- if (!sprom)
- return -ENOMEM;
-
if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
bcma_debug(bus, "SPROM offset 0x%x\n", offset);
- bcma_sprom_read(bus, offset, sprom);
+ for (i = 0; i < ARRAY_SIZE(sprom_sizes); i++) {
+ size_t words = sprom_sizes[i];
+
+ sprom = kcalloc(words, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ return -ENOMEM;
+
+ bcma_sprom_read(bus, offset, sprom, words);
+ err = bcma_sprom_valid(bus, sprom, words);
+ if (!err)
+ break;
+
+ kfree(sprom);
+ }
if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
- err = bcma_sprom_valid(sprom);
if (err) {
- bcma_warn(bus, "invalid sprom read from the PCIe card, try to use fallback sprom\n");
+ bcma_warn(bus, "Invalid SPROM read from the PCIe card, trying to use fallback SPROM\n");
err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
- goto out;
+ } else {
+ bcma_sprom_extract_r8(bus, sprom);
+ kfree(sprom);
}
- bcma_sprom_extract_r8(bus, sprom);
-
-out:
- kfree(sprom);
return err;
}
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -72,7 +72,19 @@ struct bcma_host_ops {
/* Core-ID values. */
#define BCMA_CORE_OOB_ROUTER 0x367 /* Out of band */
#define BCMA_CORE_4706_CHIPCOMMON 0x500
+#define BCMA_CORE_PCIEG2 0x501
+#define BCMA_CORE_DMA 0x502
+#define BCMA_CORE_SDIO3 0x503
+#define BCMA_CORE_USB20 0x504
+#define BCMA_CORE_USB30 0x505
+#define BCMA_CORE_A9JTAG 0x506
+#define BCMA_CORE_DDR23 0x507
+#define BCMA_CORE_ROM 0x508
+#define BCMA_CORE_NAND 0x509
+#define BCMA_CORE_QSPI 0x50A
+#define BCMA_CORE_CHIPCOMMON_B 0x50B
#define BCMA_CORE_4706_SOC_RAM 0x50E
+#define BCMA_CORE_ARMCA9 0x510
#define BCMA_CORE_4706_MAC_GBIT 0x52D
#define BCMA_CORE_AMEMC 0x52E /* DDR1/2 memory controller core */
#define BCMA_CORE_ALTA 0x534 /* I2S core */
@@ -144,6 +156,7 @@ struct bcma_host_ops {
/* Chip IDs of PCIe devices */
#define BCMA_CHIP_ID_BCM4313 0x4313
+#define BCMA_CHIP_ID_BCM43142 43142
#define BCMA_CHIP_ID_BCM43224 43224
#define BCMA_PKG_ID_BCM43224_FAB_CSM 0x8
#define BCMA_PKG_ID_BCM43224_FAB_SMIC 0xa
@@ -176,6 +189,11 @@ struct bcma_host_ops {
#define BCMA_PKG_ID_BCM5357 11
#define BCMA_CHIP_ID_BCM53572 53572
#define BCMA_PKG_ID_BCM47188 9
+#define BCMA_CHIP_ID_BCM4707 53010
+#define BCMA_PKG_ID_BCM4707 1
+#define BCMA_PKG_ID_BCM4708 2
+#define BCMA_PKG_ID_BCM4709 0
+#define BCMA_CHIP_ID_BCM53018 53018
/* Board types (on PCI usually equals to the subsystem dev id) */
/* BCM4313 */
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -330,6 +330,8 @@
#define BCMA_CC_PMU_CAP 0x0604 /* PMU capabilities */
#define BCMA_CC_PMU_CAP_REVISION 0x000000FF /* Revision mask */
#define BCMA_CC_PMU_STAT 0x0608 /* PMU status */
+#define BCMA_CC_PMU_STAT_EXT_LPO_AVAIL 0x00000100
+#define BCMA_CC_PMU_STAT_WDRESET 0x00000080
#define BCMA_CC_PMU_STAT_INTPEND 0x00000040 /* Interrupt pending */
#define BCMA_CC_PMU_STAT_SBCLKST 0x00000030 /* Backplane clock status? */
#define BCMA_CC_PMU_STAT_HAVEALP 0x00000008 /* ALP available */
@@ -355,6 +357,11 @@
#define BCMA_CC_REGCTL_DATA 0x065C
#define BCMA_CC_PLLCTL_ADDR 0x0660
#define BCMA_CC_PLLCTL_DATA 0x0664
+#define BCMA_CC_PMU_STRAPOPT 0x0668 /* (corerev >= 28) */
+#define BCMA_CC_PMU_XTAL_FREQ 0x066C /* (pmurev >= 10) */
+#define BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK 0x00001FFF
+#define BCMA_CC_PMU_XTAL_FREQ_MEASURE_MASK 0x80000000
+#define BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT 31
#define BCMA_CC_SPROM 0x0800 /* SPROM beginning */
/* NAND flash MLC controller registers (corerev >= 38) */
#define BCMA_CC_NAND_REVISION 0x0C00
@@ -435,6 +442,23 @@
#define BCMA_CC_PMU6_4706_PROC_NDIV_MODE_MASK 0x00000007
#define BCMA_CC_PMU6_4706_PROC_NDIV_MODE_SHIFT 0
+/* PMU rev 15 */
+#define BCMA_CC_PMU15_PLL_PLLCTL0 0
+#define BCMA_CC_PMU15_PLL_PC0_CLKSEL_MASK 0x00000003
+#define BCMA_CC_PMU15_PLL_PC0_CLKSEL_SHIFT 0
+#define BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK 0x003FFFFC
+#define BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT 2
+#define BCMA_CC_PMU15_PLL_PC0_PRESCALE_MASK 0x00C00000
+#define BCMA_CC_PMU15_PLL_PC0_PRESCALE_SHIFT 22
+#define BCMA_CC_PMU15_PLL_PC0_KPCTRL_MASK 0x07000000
+#define BCMA_CC_PMU15_PLL_PC0_KPCTRL_SHIFT 24
+#define BCMA_CC_PMU15_PLL_PC0_FCNTCTRL_MASK 0x38000000
+#define BCMA_CC_PMU15_PLL_PC0_FCNTCTRL_SHIFT 27
+#define BCMA_CC_PMU15_PLL_PC0_FDCMODE_MASK 0x40000000
+#define BCMA_CC_PMU15_PLL_PC0_FDCMODE_SHIFT 30
+#define BCMA_CC_PMU15_PLL_PC0_CTRLBIAS_MASK 0x80000000
+#define BCMA_CC_PMU15_PLL_PC0_CTRLBIAS_SHIFT 31
+
/* ALP clock on pre-PMU chips */
#define BCMA_CC_PMU_ALP_CLOCK 20000000
/* HT clock for systems with PMU-enabled chipcommon */
@@ -507,6 +531,37 @@
#define BCMA_CHIPCTL_5357_I2S_PINS_ENABLE BIT(18)
#define BCMA_CHIPCTL_5357_I2CSPI_PINS_ENABLE BIT(19)
+#define BCMA_RES_4314_LPLDO_PU BIT(0)
+#define BCMA_RES_4314_PMU_SLEEP_DIS BIT(1)
+#define BCMA_RES_4314_PMU_BG_PU BIT(2)
+#define BCMA_RES_4314_CBUCK_LPOM_PU BIT(3)
+#define BCMA_RES_4314_CBUCK_PFM_PU BIT(4)
+#define BCMA_RES_4314_CLDO_PU BIT(5)
+#define BCMA_RES_4314_LPLDO2_LVM BIT(6)
+#define BCMA_RES_4314_WL_PMU_PU BIT(7)
+#define BCMA_RES_4314_LNLDO_PU BIT(8)
+#define BCMA_RES_4314_LDO3P3_PU BIT(9)
+#define BCMA_RES_4314_OTP_PU BIT(10)
+#define BCMA_RES_4314_XTAL_PU BIT(11)
+#define BCMA_RES_4314_WL_PWRSW_PU BIT(12)
+#define BCMA_RES_4314_LQ_AVAIL BIT(13)
+#define BCMA_RES_4314_LOGIC_RET BIT(14)
+#define BCMA_RES_4314_MEM_SLEEP BIT(15)
+#define BCMA_RES_4314_MACPHY_RET BIT(16)
+#define BCMA_RES_4314_WL_CORE_READY BIT(17)
+#define BCMA_RES_4314_ILP_REQ BIT(18)
+#define BCMA_RES_4314_ALP_AVAIL BIT(19)
+#define BCMA_RES_4314_MISC_PWRSW_PU BIT(20)
+#define BCMA_RES_4314_SYNTH_PWRSW_PU BIT(21)
+#define BCMA_RES_4314_RX_PWRSW_PU BIT(22)
+#define BCMA_RES_4314_RADIO_PU BIT(23)
+#define BCMA_RES_4314_VCO_LDO_PU BIT(24)
+#define BCMA_RES_4314_AFE_LDO_PU BIT(25)
+#define BCMA_RES_4314_RX_LDO_PU BIT(26)
+#define BCMA_RES_4314_TX_LDO_PU BIT(27)
+#define BCMA_RES_4314_HT_AVAIL BIT(28)
+#define BCMA_RES_4314_MACPHY_CLK_AVAIL BIT(29)
+
/* Data for the PMU, if available.
* Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
*/
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -31,7 +31,7 @@ static void bcma_pcie_write(struct bcma_
pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data);
}
-static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy)
+static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u16 phy)
{
u32 v;
int i;
@@ -55,7 +55,7 @@ static void bcma_pcie_mdio_set_phy(struc
}
}
-static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address)
+static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u16 device, u8 address)
{
int max_retries = 10;
u16 ret = 0;
@@ -98,7 +98,7 @@ static u16 bcma_pcie_mdio_read(struct bc
return ret;
}
-static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device,
+static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u16 device,
u8 address, u16 data)
{
int max_retries = 10;
@@ -137,6 +137,13 @@ static void bcma_pcie_mdio_write(struct
pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
}
+static u16 bcma_pcie_mdio_writeread(struct bcma_drv_pci *pc, u16 device,
+ u8 address, u16 data)
+{
+ bcma_pcie_mdio_write(pc, device, address, data);
+ return bcma_pcie_mdio_read(pc, device, address);
+}
+
/**************************************************
* Workarounds.
**************************************************/
@@ -229,6 +236,32 @@ void bcma_core_pci_init(struct bcma_drv_
bcma_core_pci_clientmode_init(pc);
}
+void bcma_core_pci_power_save(struct bcma_bus *bus, bool up)
+{
+ struct bcma_drv_pci *pc;
+ u16 data;
+
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ pc = &bus->drv_pci[0];
+
+ if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) {
+ data = up ? 0x74 : 0x7C;
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64);
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+ } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) {
+ data = up ? 0x75 : 0x7D;
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65);
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
bool enable)
{
@@ -262,7 +295,7 @@ out:
}
EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl);
-void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
+static void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
{
u32 w;
@@ -274,4 +307,29 @@ void bcma_core_pci_extend_L1timer(struct
bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w);
bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
}
-EXPORT_SYMBOL_GPL(bcma_core_pci_extend_L1timer);
+
+void bcma_core_pci_up(struct bcma_bus *bus)
+{
+ struct bcma_drv_pci *pc;
+
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ pc = &bus->drv_pci[0];
+
+ bcma_core_pci_extend_L1timer(pc, true);
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_up);
+
+void bcma_core_pci_down(struct bcma_bus *bus)
+{
+ struct bcma_drv_pci *pc;
+
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ pc = &bus->drv_pci[0];
+
+ bcma_core_pci_extend_L1timer(pc, false);
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_down);
--- a/drivers/bcma/driver_pci_host.c
+++ b/drivers/bcma/driver_pci_host.c
@@ -581,6 +581,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI
int bcma_core_pci_plat_dev_init(struct pci_dev *dev)
{
struct bcma_drv_pci_host *pc_host;
+ int readrq;
if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
/* This is not a device on the PCI-core bridge. */
@@ -595,6 +596,11 @@ int bcma_core_pci_plat_dev_init(struct p
dev->irq = bcma_core_irq(pc_host->pdev->core);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+ readrq = pcie_get_readrq(dev);
+ if (readrq > 128) {
+ pr_info("change PCIe max read request size from %i to 128\n", readrq);
+ pcie_set_readrq(dev, 128);
+ }
return 0;
}
EXPORT_SYMBOL(bcma_core_pci_plat_dev_init);
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -32,6 +32,18 @@ static const struct bcma_device_id_name
{ BCMA_CORE_4706_CHIPCOMMON, "BCM4706 ChipCommon" },
{ BCMA_CORE_4706_SOC_RAM, "BCM4706 SOC RAM" },
{ BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" },
+ { BCMA_CORE_PCIEG2, "PCIe Gen 2" },
+ { BCMA_CORE_DMA, "DMA" },
+ { BCMA_CORE_SDIO3, "SDIO3" },
+ { BCMA_CORE_USB20, "USB 2.0" },
+ { BCMA_CORE_USB30, "USB 3.0" },
+ { BCMA_CORE_A9JTAG, "ARM Cortex A9 JTAG" },
+ { BCMA_CORE_DDR23, "Denali DDR2/DDR3 memory controller" },
+ { BCMA_CORE_ROM, "ROM" },
+ { BCMA_CORE_NAND, "NAND flash controller" },
+ { BCMA_CORE_QSPI, "SPI flash controller" },
+ { BCMA_CORE_CHIPCOMMON_B, "Chipcommon B" },
+ { BCMA_CORE_ARMCA9, "ARM Cortex A9 core (ihost)" },
{ BCMA_CORE_AMEMC, "AMEMC (DDR)" },
{ BCMA_CORE_ALTA, "ALTA (I2S)" },
{ BCMA_CORE_INVALID, "Invalid" },
@@ -201,7 +213,7 @@ static s32 bcma_erom_get_mst_port(struct
return ent;
}
-static s32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 __iomem **eromptr,
+static u32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 __iomem **eromptr,
u32 type, u8 port)
{
u32 addrl, addrh, sizel, sizeh = 0;
@@ -213,7 +225,7 @@ static s32 bcma_erom_get_addr_desc(struc
((ent & SCAN_ADDR_TYPE) != type) ||
(((ent & SCAN_ADDR_PORT) >> SCAN_ADDR_PORT_SHIFT) != port)) {
bcma_erom_push_ent(eromptr);
- return -EINVAL;
+ return (u32)-EINVAL;
}
addrl = ent & SCAN_ADDR_ADDR;
@@ -257,11 +269,13 @@ static struct bcma_device *bcma_find_cor
return NULL;
}
+#define IS_ERR_VALUE_U32(x) ((x) >= (u32)-MAX_ERRNO)
+
static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
struct bcma_device_id *match, int core_num,
struct bcma_device *core)
{
- s32 tmp;
+ u32 tmp;
u8 i, j;
s32 cia, cib;
u8 ports[2], wrappers[2];
@@ -339,11 +353,11 @@ static int bcma_get_next_core(struct bcm
* the main register space for the core
*/
tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0);
- if (tmp <= 0) {
+ if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
/* Try again to see if it is a bridge */
tmp = bcma_erom_get_addr_desc(bus, eromptr,
SCAN_ADDR_TYPE_BRIDGE, 0);
- if (tmp <= 0) {
+ if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
return -EILSEQ;
} else {
bcma_info(bus, "Bridge found\n");
@@ -357,7 +371,7 @@ static int bcma_get_next_core(struct bcm
for (j = 0; ; j++) {
tmp = bcma_erom_get_addr_desc(bus, eromptr,
SCAN_ADDR_TYPE_SLAVE, i);
- if (tmp < 0) {
+ if (IS_ERR_VALUE_U32(tmp)) {
/* no more entries for port _i_ */
/* pr_debug("erom: slave port %d "
* "has %d descriptors\n", i, j); */
@@ -374,7 +388,7 @@ static int bcma_get_next_core(struct bcm
for (j = 0; ; j++) {
tmp = bcma_erom_get_addr_desc(bus, eromptr,
SCAN_ADDR_TYPE_MWRAP, i);
- if (tmp < 0) {
+ if (IS_ERR_VALUE_U32(tmp)) {
/* no more entries for port _i_ */
/* pr_debug("erom: master wrapper %d "
* "has %d descriptors\n", i, j); */
@@ -392,7 +406,7 @@ static int bcma_get_next_core(struct bcm
for (j = 0; ; j++) {
tmp = bcma_erom_get_addr_desc(bus, eromptr,
SCAN_ADDR_TYPE_SWRAP, i + hack);
- if (tmp < 0) {
+ if (IS_ERR_VALUE_U32(tmp)) {
/* no more entries for port _i_ */
/* pr_debug("erom: master wrapper %d "
* has %d descriptors\n", i, j); */
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -181,10 +181,31 @@ struct pci_dev;
#define BCMA_CORE_PCI_CFG_DEVCTRL 0xd8
+#define BCMA_CORE_PCI_
+
+/* MDIO devices (SERDES modules) */
+#define BCMA_CORE_PCI_MDIO_IEEE0 0x000
+#define BCMA_CORE_PCI_MDIO_IEEE1 0x001
+#define BCMA_CORE_PCI_MDIO_BLK0 0x800
+#define BCMA_CORE_PCI_MDIO_BLK1 0x801
+#define BCMA_CORE_PCI_MDIO_BLK1_MGMT0 0x16
+#define BCMA_CORE_PCI_MDIO_BLK1_MGMT1 0x17
+#define BCMA_CORE_PCI_MDIO_BLK1_MGMT2 0x18
+#define BCMA_CORE_PCI_MDIO_BLK1_MGMT3 0x19
+#define BCMA_CORE_PCI_MDIO_BLK1_MGMT4 0x1A
+#define BCMA_CORE_PCI_MDIO_BLK2 0x802
+#define BCMA_CORE_PCI_MDIO_BLK3 0x803
+#define BCMA_CORE_PCI_MDIO_BLK4 0x804
+#define BCMA_CORE_PCI_MDIO_TXPLL 0x808 /* TXPLL register block idx */
+#define BCMA_CORE_PCI_MDIO_TXCTRL0 0x820
+#define BCMA_CORE_PCI_MDIO_SERDESID 0x831
+#define BCMA_CORE_PCI_MDIO_RXCTRL0 0x840
+
/* PCIE Root Capability Register bits (Host mode only) */
#define BCMA_CORE_PCI_RC_CRS_VISIBILITY 0x0001
struct bcma_drv_pci;
+struct bcma_bus;
#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
struct bcma_drv_pci_host {
@@ -219,7 +240,9 @@ struct bcma_drv_pci {
extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
struct bcma_device *core, bool enable);
-extern void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend);
+extern void bcma_core_pci_up(struct bcma_bus *bus);
+extern void bcma_core_pci_down(struct bcma_bus *bus);
+extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
@@ -679,27 +679,6 @@ bool ai_clkctl_cc(struct si_pub *sih, en
return mode == BCMA_CLKMODE_FAST;
}
-void ai_pci_up(struct si_pub *sih)
-{
- struct si_info *sii;
-
- sii = container_of(sih, struct si_info, pub);
-
- if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
- bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci[0], true);
-}
-
-/* Unconfigure and/or apply various WARs when going down */
-void ai_pci_down(struct si_pub *sih)
-{
- struct si_info *sii;
-
- sii = container_of(sih, struct si_info, pub);
-
- if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
- bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci[0], false);
-}
-
/* Enable BT-COEX & Ex-PA for 4313 */
void ai_epa_4313war(struct si_pub *sih)
{
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
@@ -183,9 +183,6 @@ extern u16 ai_clkctl_fast_pwrup_delay(st
extern bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode);
extern bool ai_deviceremoved(struct si_pub *sih);
-extern void ai_pci_down(struct si_pub *sih);
-extern void ai_pci_up(struct si_pub *sih);
-
/* Enable Ex-PA for 4313 */
extern void ai_epa_4313war(struct si_pub *sih);
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -4667,7 +4667,7 @@ static int brcms_b_attach(struct brcms_c
brcms_c_coredisable(wlc_hw);
/* Match driver "down" state */
- ai_pci_down(wlc_hw->sih);
+ bcma_core_pci_down(wlc_hw->d11core->bus);
/* turn off pll and xtal to match driver "down" state */
brcms_b_xtal(wlc_hw, OFF);
@@ -5010,12 +5010,12 @@ static int brcms_b_up_prep(struct brcms_
*/
if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
/* put SB PCI in down state again */
- ai_pci_down(wlc_hw->sih);
+ bcma_core_pci_down(wlc_hw->d11core->bus);
brcms_b_xtal(wlc_hw, OFF);
return -ENOMEDIUM;
}
- ai_pci_up(wlc_hw->sih);
+ bcma_core_pci_up(wlc_hw->d11core->bus);
/* reset the d11 core */
brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
@@ -5212,7 +5212,7 @@ static int brcms_b_down_finish(struct br
/* turn off primary xtal and pll */
if (!wlc_hw->noreset) {
- ai_pci_down(wlc_hw->sih);
+ bcma_core_pci_down(wlc_hw->d11core->bus);
brcms_b_xtal(wlc_hw, OFF);
}
}
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