kernel: backport SSB/BCMA changes in preparation for a compat-wireless update

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36367 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 266 insertions, 0 deletions

diff --git a/target/linux/generic/patches-3.9/020-ssb_backport.patch b/target/linux/generic/patches-3.9/020-ssb_backport.patch
new file mode 100644
index 000000000..db9cfdd1e
--- /dev/null
+++ b/target/linux/generic/patches-3.9/020-ssb_backport.patch
@@ -0,0 +1,126 @@
+--- a/drivers/net/wireless/b43/phy_n.c
++++ b/drivers/net/wireless/b43/phy_n.c
+@@ -5165,7 +5165,8 @@ static void b43_nphy_pmu_spur_avoid(stru
+ #endif
+ #ifdef CONFIG_B43_SSB
+ 	case B43_BUS_SSB:
+-		/* FIXME */
++		ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
++					    avoid);
+ 		break;
+ #endif
+ 	}
+--- a/drivers/ssb/driver_chipcommon_pmu.c
++++ b/drivers/ssb/driver_chipcommon_pmu.c
+@@ -675,3 +675,32 @@ u32 ssb_pmu_get_controlclock(struct ssb_
+ 		return 0;
+ 	}
+ }
++
++void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid)
++{
++	u32 pmu_ctl = 0;
++
++	switch (cc->dev->bus->chip_id) {
++	case 0x4322:
++		ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, 0x11100070);
++		ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL1, 0x1014140a);
++		ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, 0x88888854);
++		if (spuravoid == 1)
++			ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x05201828);
++		else
++			ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x05001828);
++		pmu_ctl = SSB_CHIPCO_PMU_CTL_PLL_UPD;
++		break;
++	case 43222:
++		/* TODO: BCM43222 requires updating PLLs too */
++		return;
++	default:
++		ssb_printk(KERN_ERR PFX
++			   "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
++			   cc->dev->bus->chip_id);
++		return;
++	}
++
++	chipco_set32(cc, SSB_CHIPCO_PMU_CTL, pmu_ctl);
++}
++EXPORT_SYMBOL_GPL(ssb_pmu_spuravoid_pllupdate);
+--- a/drivers/ssb/pci.c
++++ b/drivers/ssb/pci.c
+@@ -339,6 +339,21 @@ static s8 r123_extract_antgain(u8 sprom_
+ 	return (s8)gain;
+ }
+ 
++static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in)
++{
++	SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
++	SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0);
++	SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0);
++	SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0);
++	SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0);
++	SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0);
++	SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0);
++	SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0);
++	SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0);
++	SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO,
++	     SSB_SPROM2_MAXP_A_LO_SHIFT);
++}
++
+ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
+ {
+ 	int i;
+@@ -398,8 +413,7 @@ static void sprom_extract_r123(struct ss
+ 	     SSB_SPROM1_ITSSI_A_SHIFT);
+ 	SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0);
+ 	SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0);
+-	if (out->revision >= 2)
+-		SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
++
+ 	SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8);
+ 	SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0);
+ 
+@@ -410,6 +424,8 @@ static void sprom_extract_r123(struct ss
+ 	out->antenna_gain.a1 = r123_extract_antgain(out->revision, in,
+ 						    SSB_SPROM1_AGAIN_A,
+ 						    SSB_SPROM1_AGAIN_A_SHIFT);
++	if (out->revision >= 2)
++		sprom_extract_r23(out, in);
+ }
+ 
+ /* Revs 4 5 and 8 have partially shared layout */
+--- a/include/linux/ssb/ssb_driver_chipcommon.h
++++ b/include/linux/ssb/ssb_driver_chipcommon.h
+@@ -219,6 +219,7 @@
+ #define SSB_CHIPCO_PMU_CTL			0x0600 /* PMU control */
+ #define  SSB_CHIPCO_PMU_CTL_ILP_DIV		0xFFFF0000 /* ILP div mask */
+ #define  SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT	16
++#define  SSB_CHIPCO_PMU_CTL_PLL_UPD		0x00000400
+ #define  SSB_CHIPCO_PMU_CTL_NOILPONW		0x00000200 /* No ILP on wait */
+ #define  SSB_CHIPCO_PMU_CTL_HTREQEN		0x00000100 /* HT req enable */
+ #define  SSB_CHIPCO_PMU_CTL_ALPREQEN		0x00000080 /* ALP req enable */
+@@ -667,5 +668,6 @@ enum ssb_pmu_ldo_volt_id {
+ void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc,
+ 			     enum ssb_pmu_ldo_volt_id id, u32 voltage);
+ void ssb_pmu_set_ldo_paref(struct ssb_chipcommon *cc, bool on);
++void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid);
+ 
+ #endif /* LINUX_SSB_CHIPCO_H_ */
+--- a/include/linux/ssb/ssb_regs.h
++++ b/include/linux/ssb/ssb_regs.h
+@@ -289,11 +289,11 @@
+ #define  SSB_SPROM4_ETHPHY_ET1A_SHIFT	5
+ #define  SSB_SPROM4_ETHPHY_ET0M		(1<<14)	/* MDIO for enet0 */
+ #define  SSB_SPROM4_ETHPHY_ET1M		(1<<15)	/* MDIO for enet1 */
+-#define SSB_SPROM4_ANTAVAIL		0x005D  /* Antenna available bitfields */
+-#define  SSB_SPROM4_ANTAVAIL_A		0x00FF	/* A-PHY bitfield */
+-#define  SSB_SPROM4_ANTAVAIL_A_SHIFT	0
+-#define  SSB_SPROM4_ANTAVAIL_BG		0xFF00	/* B-PHY and G-PHY bitfield */
+-#define  SSB_SPROM4_ANTAVAIL_BG_SHIFT	8
++#define SSB_SPROM4_ANTAVAIL		0x005C  /* Antenna available bitfields */
++#define  SSB_SPROM4_ANTAVAIL_BG		0x00FF	/* B-PHY and G-PHY bitfield */
++#define  SSB_SPROM4_ANTAVAIL_BG_SHIFT	0
++#define  SSB_SPROM4_ANTAVAIL_A		0xFF00	/* A-PHY bitfield */
++#define  SSB_SPROM4_ANTAVAIL_A_SHIFT	8
+ #define SSB_SPROM4_AGAIN01		0x005E	/* Antenna Gain (in dBm Q5.2) */
+ #define  SSB_SPROM4_AGAIN0		0x00FF	/* Antenna 0 */
+ #define  SSB_SPROM4_AGAIN0_SHIFT	0
diff --git a/target/linux/generic/patches-3.9/021-bcma_backport.patch b/target/linux/generic/patches-3.9/021-bcma_backport.patch
new file mode 100644
index 000000000..2885aea38
--- /dev/null
+++ b/target/linux/generic/patches-3.9/021-bcma_backport.patch
@@ -0,0 +1,140 @@
+--- a/drivers/bcma/driver_chipcommon.c
++++ b/drivers/bcma/driver_chipcommon.c
+@@ -25,13 +25,14 @@ static inline u32 bcma_cc_write32_masked
+ 	return value;
+ }
+ 
+-static u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc)
++u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc)
+ {
+ 	if (cc->capabilities & BCMA_CC_CAP_PMU)
+ 		return bcma_pmu_get_alp_clock(cc);
+ 
+ 	return 20000000;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_get_alp_clock);
+ 
+ static u32 bcma_chipco_watchdog_get_max_timer(struct bcma_drv_cc *cc)
+ {
+@@ -213,6 +214,7 @@ u32 bcma_chipco_gpio_out(struct bcma_drv
+ 
+ 	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_out);
+ 
+ u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
+ {
+@@ -225,6 +227,7 @@ u32 bcma_chipco_gpio_outen(struct bcma_d
+ 
+ 	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_outen);
+ 
+ /*
+  * If the bit is set to 0, chipcommon controlls this GPIO,
+--- a/drivers/bcma/driver_chipcommon_pmu.c
++++ b/drivers/bcma/driver_chipcommon_pmu.c
+@@ -174,19 +174,35 @@ u32 bcma_pmu_get_alp_clock(struct bcma_d
+ 	struct bcma_bus *bus = cc->core->bus;
+ 
+ 	switch (bus->chipinfo.id) {
++	case BCMA_CHIP_ID_BCM4313:
++	case BCMA_CHIP_ID_BCM43224:
++	case BCMA_CHIP_ID_BCM43225:
++	case BCMA_CHIP_ID_BCM43227:
++	case BCMA_CHIP_ID_BCM43228:
++	case BCMA_CHIP_ID_BCM4331:
++	case BCMA_CHIP_ID_BCM43421:
++	case BCMA_CHIP_ID_BCM43428:
++	case BCMA_CHIP_ID_BCM43431:
+ 	case BCMA_CHIP_ID_BCM4716:
+-	case BCMA_CHIP_ID_BCM4748:
+ 	case BCMA_CHIP_ID_BCM47162:
+-	case BCMA_CHIP_ID_BCM4313:
+-	case BCMA_CHIP_ID_BCM5357:
++	case BCMA_CHIP_ID_BCM4748:
+ 	case BCMA_CHIP_ID_BCM4749:
++	case BCMA_CHIP_ID_BCM5357:
+ 	case BCMA_CHIP_ID_BCM53572:
++	case BCMA_CHIP_ID_BCM6362:
+ 		/* always 20Mhz */
+ 		return 20000 * 1000;
+-	case BCMA_CHIP_ID_BCM5356:
+ 	case BCMA_CHIP_ID_BCM4706:
++	case BCMA_CHIP_ID_BCM5356:
+ 		/* always 25Mhz */
+ 		return 25000 * 1000;
++	case BCMA_CHIP_ID_BCM43460:
++	case BCMA_CHIP_ID_BCM4352:
++	case BCMA_CHIP_ID_BCM4360:
++		if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
++			return 40000 * 1000;
++		else
++			return 20000 * 1000;
+ 	default:
+ 		bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
+ 			  bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
+@@ -373,7 +389,7 @@ void bcma_pmu_spuravoid_pllupdate(struct
+ 		tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
+ 		bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp);
+ 
+-		tmp = 1 << 10;
++		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ 		break;
+ 
+ 	case BCMA_CHIP_ID_BCM4331:
+@@ -394,7 +410,7 @@ void bcma_pmu_spuravoid_pllupdate(struct
+ 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 						     0x03000a08);
+ 		}
+-		tmp = 1 << 10;
++		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ 		break;
+ 
+ 	case BCMA_CHIP_ID_BCM43224:
+@@ -427,7 +443,7 @@ void bcma_pmu_spuravoid_pllupdate(struct
+ 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 						     0x88888815);
+ 		}
+-		tmp = 1 << 10;
++		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ 		break;
+ 
+ 	case BCMA_CHIP_ID_BCM4716:
+@@ -461,7 +477,7 @@ void bcma_pmu_spuravoid_pllupdate(struct
+ 						     0x88888815);
+ 		}
+ 
+-		tmp = 3 << 9;
++		tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
+ 		break;
+ 
+ 	case BCMA_CHIP_ID_BCM43227:
+@@ -497,7 +513,7 @@ void bcma_pmu_spuravoid_pllupdate(struct
+ 			bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 						     0x88888815);
+ 		}
+-		tmp = 1 << 10;
++		tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ 		break;
+ 	default:
+ 		bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -104,6 +104,7 @@
+ #define  BCMA_CC_CHIPST_4706_MIPS_BENDIAN	BIT(3) /* 0: little, 1: big endian */
+ #define  BCMA_CC_CHIPST_4706_PCIE1_DISABLE	BIT(5) /* PCIE1 enable strap pin */
+ #define  BCMA_CC_CHIPST_5357_NAND_BOOT		BIT(4) /* NAND boot, valid for CC rev 38 and/or BCM5357 */
++#define  BCMA_CC_CHIPST_4360_XTAL_40MZ		0x00000001
+ #define BCMA_CC_JCMD			0x0030		/* Rev >= 10 only */
+ #define  BCMA_CC_JCMD_START		0x80000000
+ #define  BCMA_CC_JCMD_BUSY		0x80000000
+@@ -607,6 +608,8 @@ void bcma_chipco_bcm4331_ext_pa_lines_ct
+ 
+ extern u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks);
+ 
++extern u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc);
++
+ void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value);
+ 
+ u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask);