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authorHauke Mehrtens <hauke@hauke-m.de>2011-06-27 21:28:40 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2011-06-27 21:28:40 +0000
commitca979845ccc58feb6ca04e913d24414fe90708c4 (patch)
tree6fcc301d99db0e44a014bd66cc9cf97c5148274b /target/linux/generic/patches-2.6.39/020-ssb_update.patch
parente439de144f0bd6dd3cdea921960bb5ae9a7be208 (diff)
downloadupstream-ca979845ccc58feb6ca04e913d24414fe90708c4.tar.gz
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kernel: update ssb and bcma to linux-next next-20110627
SVN-Revision: 27295
Diffstat (limited to 'target/linux/generic/patches-2.6.39/020-ssb_update.patch')
-rw-r--r--target/linux/generic/patches-2.6.39/020-ssb_update.patch919
1 files changed, 919 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.39/020-ssb_update.patch b/target/linux/generic/patches-2.6.39/020-ssb_update.patch
new file mode 100644
index 0000000000..1ee3ad9556
--- /dev/null
+++ b/target/linux/generic/patches-2.6.39/020-ssb_update.patch
@@ -0,0 +1,919 @@
+--- a/drivers/ssb/driver_chipcommon.c
++++ b/drivers/ssb/driver_chipcommon.c
+@@ -46,40 +46,66 @@ void ssb_chipco_set_clockmode(struct ssb
+ if (!ccdev)
+ return;
+ bus = ccdev->bus;
++
++ /* We support SLOW only on 6..9 */
++ if (ccdev->id.revision >= 10 && mode == SSB_CLKMODE_SLOW)
++ mode = SSB_CLKMODE_DYNAMIC;
++
++ if (cc->capabilities & SSB_CHIPCO_CAP_PMU)
++ return; /* PMU controls clockmode, separated function needed */
++ SSB_WARN_ON(ccdev->id.revision >= 20);
++
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (ccdev->id.revision < 6)
+ return;
+- /* chipcommon cores rev10 are a whole new ball game */
++
++ /* ChipCommon cores rev10+ need testing */
+ if (ccdev->id.revision >= 10)
+ return;
++
+ if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
+ return;
+
+ switch (mode) {
+- case SSB_CLKMODE_SLOW:
++ case SSB_CLKMODE_SLOW: /* For revs 6..9 only */
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+ break;
+ case SSB_CLKMODE_FAST:
+- ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */
+- tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+- tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL;
+- chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
++ if (ccdev->id.revision < 10) {
++ ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */
++ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
++ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
++ tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL;
++ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
++ } else {
++ chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL,
++ (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) |
++ SSB_CHIPCO_SYSCLKCTL_FORCEHT));
++ /* udelay(150); TODO: not available in early init */
++ }
+ break;
+ case SSB_CLKMODE_DYNAMIC:
+- tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL;
+- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
+- if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL)
+- tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
+- chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+-
+- /* for dynamic control, we have to release our xtal_pu "force on" */
+- if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL)
+- ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0);
++ if (ccdev->id.revision < 10) {
++ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
++ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
++ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL;
++ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
++ if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) !=
++ SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL)
++ tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
++ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
++
++ /* For dynamic control, we have to release our xtal_pu
++ * "force on" */
++ if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL)
++ ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0);
++ } else {
++ chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL,
++ (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) &
++ ~SSB_CHIPCO_SYSCLKCTL_FORCEHT));
++ }
+ break;
+ default:
+ SSB_WARN_ON(1);
+@@ -260,6 +286,12 @@ void ssb_chipcommon_init(struct ssb_chip
+ if (cc->dev->id.revision >= 11)
+ cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
+ ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status);
++
++ if (cc->dev->id.revision >= 20) {
++ chipco_write32(cc, SSB_CHIPCO_GPIOPULLUP, 0);
++ chipco_write32(cc, SSB_CHIPCO_GPIOPULLDOWN, 0);
++ }
++
+ ssb_pmu_init(cc);
+ chipco_powercontrol_init(cc);
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
+--- a/drivers/ssb/driver_chipcommon_pmu.c
++++ b/drivers/ssb/driver_chipcommon_pmu.c
+@@ -417,12 +417,14 @@ static void ssb_pmu_resources_init(struc
+ u32 min_msk = 0, max_msk = 0;
+ unsigned int i;
+ const struct pmu_res_updown_tab_entry *updown_tab = NULL;
+- unsigned int updown_tab_size;
++ unsigned int updown_tab_size = 0;
+ const struct pmu_res_depend_tab_entry *depend_tab = NULL;
+- unsigned int depend_tab_size;
++ unsigned int depend_tab_size = 0;
+
+ switch (bus->chip_id) {
+ case 0x4312:
++ min_msk = 0xCBB;
++ break;
+ case 0x4322:
+ /* We keep the default settings:
+ * min_msk = 0xCBB
+--- a/drivers/ssb/driver_gige.c
++++ b/drivers/ssb/driver_gige.c
+@@ -106,8 +106,9 @@ void gige_pcicfg_write32(struct ssb_gige
+ gige_write32(dev, SSB_GIGE_PCICFG + offset, value);
+ }
+
+-static int ssb_gige_pci_read_config(struct pci_bus *bus, unsigned int devfn,
+- int reg, int size, u32 *val)
++static int __devinit ssb_gige_pci_read_config(struct pci_bus *bus,
++ unsigned int devfn, int reg,
++ int size, u32 *val)
+ {
+ struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops);
+ unsigned long flags;
+@@ -136,8 +137,9 @@ static int ssb_gige_pci_read_config(stru
+ return PCIBIOS_SUCCESSFUL;
+ }
+
+-static int ssb_gige_pci_write_config(struct pci_bus *bus, unsigned int devfn,
+- int reg, int size, u32 val)
++static int __devinit ssb_gige_pci_write_config(struct pci_bus *bus,
++ unsigned int devfn, int reg,
++ int size, u32 val)
+ {
+ struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops);
+ unsigned long flags;
+@@ -166,7 +168,8 @@ static int ssb_gige_pci_write_config(str
+ return PCIBIOS_SUCCESSFUL;
+ }
+
+-static int ssb_gige_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
++static int __devinit ssb_gige_probe(struct ssb_device *sdev,
++ const struct ssb_device_id *id)
+ {
+ struct ssb_gige *dev;
+ u32 base, tmslow, tmshigh;
+--- a/drivers/ssb/driver_pcicore.c
++++ b/drivers/ssb/driver_pcicore.c
+@@ -15,6 +15,11 @@
+
+ #include "ssb_private.h"
+
++static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address);
++static void ssb_pcie_write(struct ssb_pcicore *pc, u32 address, u32 data);
++static u16 ssb_pcie_mdio_read(struct ssb_pcicore *pc, u8 device, u8 address);
++static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
++ u8 address, u16 data);
+
+ static inline
+ u32 pcicore_read32(struct ssb_pcicore *pc, u16 offset)
+@@ -309,7 +314,7 @@ int ssb_pcicore_pcibios_map_irq(const st
+ return ssb_mips_irq(extpci_core->dev) + 2;
+ }
+
+-static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
++static void __devinit ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
+ {
+ u32 val;
+
+@@ -374,7 +379,7 @@ static void ssb_pcicore_init_hostmode(st
+ register_pci_controller(&ssb_pcicore_controller);
+ }
+
+-static int pcicore_is_in_hostmode(struct ssb_pcicore *pc)
++static int __devinit pcicore_is_in_hostmode(struct ssb_pcicore *pc)
+ {
+ struct ssb_bus *bus = pc->dev->bus;
+ u16 chipid_top;
+@@ -403,28 +408,129 @@ static int pcicore_is_in_hostmode(struct
+ }
+ #endif /* CONFIG_SSB_PCICORE_HOSTMODE */
+
++/**************************************************
++ * Workarounds.
++ **************************************************/
++
++static void __devinit ssb_pcicore_fix_sprom_core_index(struct ssb_pcicore *pc)
++{
++ u16 tmp = pcicore_read16(pc, SSB_PCICORE_SPROM(0));
++ if (((tmp & 0xF000) >> 12) != pc->dev->core_index) {
++ tmp &= ~0xF000;
++ tmp |= (pc->dev->core_index << 12);
++ pcicore_write16(pc, SSB_PCICORE_SPROM(0), tmp);
++ }
++}
++
++static u8 ssb_pcicore_polarity_workaround(struct ssb_pcicore *pc)
++{
++ return (ssb_pcie_read(pc, 0x204) & 0x10) ? 0xC0 : 0x80;
++}
++
++static void ssb_pcicore_serdes_workaround(struct ssb_pcicore *pc)
++{
++ const u8 serdes_pll_device = 0x1D;
++ const u8 serdes_rx_device = 0x1F;
++ u16 tmp;
++
++ ssb_pcie_mdio_write(pc, serdes_rx_device, 1 /* Control */,
++ ssb_pcicore_polarity_workaround(pc));
++ tmp = ssb_pcie_mdio_read(pc, serdes_pll_device, 1 /* Control */);
++ if (tmp & 0x4000)
++ ssb_pcie_mdio_write(pc, serdes_pll_device, 1, tmp & ~0x4000);
++}
++
++static void ssb_pcicore_pci_setup_workarounds(struct ssb_pcicore *pc)
++{
++ struct ssb_device *pdev = pc->dev;
++ struct ssb_bus *bus = pdev->bus;
++ u32 tmp;
++
++ tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
++ tmp |= SSB_PCICORE_SBTOPCI_PREF;
++ tmp |= SSB_PCICORE_SBTOPCI_BURST;
++ pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
++
++ if (pdev->id.revision < 5) {
++ tmp = ssb_read32(pdev, SSB_IMCFGLO);
++ tmp &= ~SSB_IMCFGLO_SERTO;
++ tmp |= 2;
++ tmp &= ~SSB_IMCFGLO_REQTO;
++ tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT;
++ ssb_write32(pdev, SSB_IMCFGLO, tmp);
++ ssb_commit_settings(bus);
++ } else if (pdev->id.revision >= 11) {
++ tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
++ tmp |= SSB_PCICORE_SBTOPCI_MRM;
++ pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
++ }
++}
++
++static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
++{
++ u32 tmp;
++ u8 rev = pc->dev->id.revision;
++
++ if (rev == 0 || rev == 1) {
++ /* TLP Workaround register. */
++ tmp = ssb_pcie_read(pc, 0x4);
++ tmp |= 0x8;
++ ssb_pcie_write(pc, 0x4, tmp);
++ }
++ if (rev == 1) {
++ /* DLLP Link Control register. */
++ tmp = ssb_pcie_read(pc, 0x100);
++ tmp |= 0x40;
++ ssb_pcie_write(pc, 0x100, tmp);
++ }
++
++ if (rev == 0) {
++ const u8 serdes_rx_device = 0x1F;
++
++ ssb_pcie_mdio_write(pc, serdes_rx_device,
++ 2 /* Timer */, 0x8128);
++ ssb_pcie_mdio_write(pc, serdes_rx_device,
++ 6 /* CDR */, 0x0100);
++ ssb_pcie_mdio_write(pc, serdes_rx_device,
++ 7 /* CDR BW */, 0x1466);
++ } else if (rev == 3 || rev == 4 || rev == 5) {
++ /* TODO: DLLP Power Management Threshold */
++ ssb_pcicore_serdes_workaround(pc);
++ /* TODO: ASPM */
++ } else if (rev == 7) {
++ /* TODO: No PLL down */
++ }
++
++ if (rev >= 6) {
++ /* Miscellaneous Configuration Fixup */
++ tmp = pcicore_read16(pc, SSB_PCICORE_SPROM(5));
++ if (!(tmp & 0x8000))
++ pcicore_write16(pc, SSB_PCICORE_SPROM(5),
++ tmp | 0x8000);
++ }
++}
+
+ /**************************************************
+ * Generic and Clientmode operation code.
+ **************************************************/
+
+-static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
++static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
+ {
+ /* Disable PCI interrupts. */
+ ssb_write32(pc->dev, SSB_INTVEC, 0);
+ }
+
+-void ssb_pcicore_init(struct ssb_pcicore *pc)
++void __devinit ssb_pcicore_init(struct ssb_pcicore *pc)
+ {
+ struct ssb_device *dev = pc->dev;
+- struct ssb_bus *bus;
+
+ if (!dev)
+ return;
+- bus = dev->bus;
+ if (!ssb_device_is_enabled(dev))
+ ssb_device_enable(dev, 0);
+
++ ssb_pcicore_fix_sprom_core_index(pc);
++
+ #ifdef CONFIG_SSB_PCICORE_HOSTMODE
+ pc->hostmode = pcicore_is_in_hostmode(pc);
+ if (pc->hostmode)
+@@ -432,6 +538,13 @@ void ssb_pcicore_init(struct ssb_pcicore
+ #endif /* CONFIG_SSB_PCICORE_HOSTMODE */
+ if (!pc->hostmode)
+ ssb_pcicore_init_clientmode(pc);
++
++ /* Additional PCIe always once-executed workarounds */
++ if (dev->id.coreid == SSB_DEV_PCIE) {
++ ssb_pcicore_serdes_workaround(pc);
++ /* TODO: ASPM */
++ /* TODO: Clock Request Update */
++ }
+ }
+
+ static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address)
+@@ -446,11 +559,35 @@ static void ssb_pcie_write(struct ssb_pc
+ pcicore_write32(pc, 0x134, data);
+ }
+
+-static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
+- u8 address, u16 data)
++static void ssb_pcie_mdio_set_phy(struct ssb_pcicore *pc, u8 phy)
++{
++ const u16 mdio_control = 0x128;
++ const u16 mdio_data = 0x12C;
++ u32 v;
++ int i;
++
++ v = (1 << 30); /* Start of Transaction */
++ v |= (1 << 28); /* Write Transaction */
++ v |= (1 << 17); /* Turnaround */
++ v |= (0x1F << 18);
++ v |= (phy << 4);
++ pcicore_write32(pc, mdio_data, v);
++
++ udelay(10);
++ for (i = 0; i < 200; i++) {
++ v = pcicore_read32(pc, mdio_control);
++ if (v & 0x100 /* Trans complete */)
++ break;
++ msleep(1);
++ }
++}
++
++static u16 ssb_pcie_mdio_read(struct ssb_pcicore *pc, u8 device, u8 address)
+ {
+ const u16 mdio_control = 0x128;
+ const u16 mdio_data = 0x12C;
++ int max_retries = 10;
++ u16 ret = 0;
+ u32 v;
+ int i;
+
+@@ -458,46 +595,68 @@ static void ssb_pcie_mdio_write(struct s
+ v |= 0x2; /* MDIO Clock Divisor */
+ pcicore_write32(pc, mdio_control, v);
+
++ if (pc->dev->id.revision >= 10) {
++ max_retries = 200;
++ ssb_pcie_mdio_set_phy(pc, device);
++ }
++
+ v = (1 << 30); /* Start of Transaction */
+- v |= (1 << 28); /* Write Transaction */
++ v |= (1 << 29); /* Read Transaction */
+ v |= (1 << 17); /* Turnaround */
+- v |= (u32)device << 22;
++ if (pc->dev->id.revision < 10)
++ v |= (u32)device << 22;
+ v |= (u32)address << 18;
+- v |= data;
+ pcicore_write32(pc, mdio_data, v);
+ /* Wait for the device to complete the transaction */
+ udelay(10);
+- for (i = 0; i < 10; i++) {
++ for (i = 0; i < max_retries; i++) {
+ v = pcicore_read32(pc, mdio_control);
+- if (v & 0x100 /* Trans complete */)
++ if (v & 0x100 /* Trans complete */) {
++ udelay(10);
++ ret = pcicore_read32(pc, mdio_data);
+ break;
++ }
+ msleep(1);
+ }
+ pcicore_write32(pc, mdio_control, 0);
++ return ret;
+ }
+
+-static void ssb_broadcast_value(struct ssb_device *dev,
+- u32 address, u32 data)
++static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
++ u8 address, u16 data)
+ {
+- /* This is used for both, PCI and ChipCommon core, so be careful. */
+- BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR);
+- BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA);
++ const u16 mdio_control = 0x128;
++ const u16 mdio_data = 0x12C;
++ int max_retries = 10;
++ u32 v;
++ int i;
+
+- ssb_write32(dev, SSB_PCICORE_BCAST_ADDR, address);
+- ssb_read32(dev, SSB_PCICORE_BCAST_ADDR); /* flush */
+- ssb_write32(dev, SSB_PCICORE_BCAST_DATA, data);
+- ssb_read32(dev, SSB_PCICORE_BCAST_DATA); /* flush */
+-}
++ v = 0x80; /* Enable Preamble Sequence */
++ v |= 0x2; /* MDIO Clock Divisor */
++ pcicore_write32(pc, mdio_control, v);
+
+-static void ssb_commit_settings(struct ssb_bus *bus)
+-{
+- struct ssb_device *dev;
++ if (pc->dev->id.revision >= 10) {
++ max_retries = 200;
++ ssb_pcie_mdio_set_phy(pc, device);
++ }
+
+- dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;
+- if (WARN_ON(!dev))
+- return;
+- /* This forces an update of the cached registers. */
+- ssb_broadcast_value(dev, 0xFD8, 0);
++ v = (1 << 30); /* Start of Transaction */
++ v |= (1 << 28); /* Write Transaction */
++ v |= (1 << 17); /* Turnaround */
++ if (pc->dev->id.revision < 10)
++ v |= (u32)device << 22;
++ v |= (u32)address << 18;
++ v |= data;
++ pcicore_write32(pc, mdio_data, v);
++ /* Wait for the device to complete the transaction */
++ udelay(10);
++ for (i = 0; i < max_retries; i++) {
++ v = pcicore_read32(pc, mdio_control);
++ if (v & 0x100 /* Trans complete */)
++ break;
++ msleep(1);
++ }
++ pcicore_write32(pc, mdio_control, 0);
+ }
+
+ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
+@@ -550,48 +709,10 @@ int ssb_pcicore_dev_irqvecs_enable(struc
+ if (pc->setup_done)
+ goto out;
+ if (pdev->id.coreid == SSB_DEV_PCI) {
+- tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
+- tmp |= SSB_PCICORE_SBTOPCI_PREF;
+- tmp |= SSB_PCICORE_SBTOPCI_BURST;
+- pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
+-
+- if (pdev->id.revision < 5) {
+- tmp = ssb_read32(pdev, SSB_IMCFGLO);
+- tmp &= ~SSB_IMCFGLO_SERTO;
+- tmp |= 2;
+- tmp &= ~SSB_IMCFGLO_REQTO;
+- tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT;
+- ssb_write32(pdev, SSB_IMCFGLO, tmp);
+- ssb_commit_settings(bus);
+- } else if (pdev->id.revision >= 11) {
+- tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
+- tmp |= SSB_PCICORE_SBTOPCI_MRM;
+- pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
+- }
++ ssb_pcicore_pci_setup_workarounds(pc);
+ } else {
+ WARN_ON(pdev->id.coreid != SSB_DEV_PCIE);
+- //TODO: Better make defines for all these magic PCIE values.
+- if ((pdev->id.revision == 0) || (pdev->id.revision == 1)) {
+- /* TLP Workaround register. */
+- tmp = ssb_pcie_read(pc, 0x4);
+- tmp |= 0x8;
+- ssb_pcie_write(pc, 0x4, tmp);
+- }
+- if (pdev->id.revision == 0) {
+- const u8 serdes_rx_device = 0x1F;
+-
+- ssb_pcie_mdio_write(pc, serdes_rx_device,
+- 2 /* Timer */, 0x8128);
+- ssb_pcie_mdio_write(pc, serdes_rx_device,
+- 6 /* CDR */, 0x0100);
+- ssb_pcie_mdio_write(pc, serdes_rx_device,
+- 7 /* CDR BW */, 0x1466);
+- } else if (pdev->id.revision == 1) {
+- /* DLLP Link Control register. */
+- tmp = ssb_pcie_read(pc, 0x100);
+- tmp |= 0x40;
+- ssb_pcie_write(pc, 0x100, tmp);
+- }
++ ssb_pcicore_pcie_setup_workarounds(pc);
+ }
+ pc->setup_done = 1;
+ out:
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -557,7 +557,7 @@ error:
+ }
+
+ /* Needs ssb_buses_lock() */
+-static int ssb_attach_queued_buses(void)
++static int __devinit ssb_attach_queued_buses(void)
+ {
+ struct ssb_bus *bus, *n;
+ int err = 0;
+@@ -768,9 +768,9 @@ out:
+ return err;
+ }
+
+-static int ssb_bus_register(struct ssb_bus *bus,
+- ssb_invariants_func_t get_invariants,
+- unsigned long baseaddr)
++static int __devinit ssb_bus_register(struct ssb_bus *bus,
++ ssb_invariants_func_t get_invariants,
++ unsigned long baseaddr)
+ {
+ int err;
+
+@@ -851,8 +851,8 @@ err_disable_xtal:
+ }
+
+ #ifdef CONFIG_SSB_PCIHOST
+-int ssb_bus_pcibus_register(struct ssb_bus *bus,
+- struct pci_dev *host_pci)
++int __devinit ssb_bus_pcibus_register(struct ssb_bus *bus,
++ struct pci_dev *host_pci)
+ {
+ int err;
+
+@@ -875,9 +875,9 @@ EXPORT_SYMBOL(ssb_bus_pcibus_register);
+ #endif /* CONFIG_SSB_PCIHOST */
+
+ #ifdef CONFIG_SSB_PCMCIAHOST
+-int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
+- struct pcmcia_device *pcmcia_dev,
+- unsigned long baseaddr)
++int __devinit ssb_bus_pcmciabus_register(struct ssb_bus *bus,
++ struct pcmcia_device *pcmcia_dev,
++ unsigned long baseaddr)
+ {
+ int err;
+
+@@ -897,8 +897,9 @@ EXPORT_SYMBOL(ssb_bus_pcmciabus_register
+ #endif /* CONFIG_SSB_PCMCIAHOST */
+
+ #ifdef CONFIG_SSB_SDIOHOST
+-int ssb_bus_sdiobus_register(struct ssb_bus *bus, struct sdio_func *func,
+- unsigned int quirks)
++int __devinit ssb_bus_sdiobus_register(struct ssb_bus *bus,
++ struct sdio_func *func,
++ unsigned int quirks)
+ {
+ int err;
+
+@@ -918,9 +919,9 @@ int ssb_bus_sdiobus_register(struct ssb_
+ EXPORT_SYMBOL(ssb_bus_sdiobus_register);
+ #endif /* CONFIG_SSB_PCMCIAHOST */
+
+-int ssb_bus_ssbbus_register(struct ssb_bus *bus,
+- unsigned long baseaddr,
+- ssb_invariants_func_t get_invariants)
++int __devinit ssb_bus_ssbbus_register(struct ssb_bus *bus,
++ unsigned long baseaddr,
++ ssb_invariants_func_t get_invariants)
+ {
+ int err;
+
+@@ -1117,23 +1118,22 @@ static u32 ssb_tmslow_reject_bitmask(str
+ {
+ u32 rev = ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_SSBREV;
+
+- /* The REJECT bit changed position in TMSLOW between
+- * Backplane revisions. */
++ /* The REJECT bit seems to be different for Backplane rev 2.3 */
+ switch (rev) {
+ case SSB_IDLOW_SSBREV_22:
+- return SSB_TMSLOW_REJECT_22;
++ case SSB_IDLOW_SSBREV_24:
++ case SSB_IDLOW_SSBREV_26:
++ return SSB_TMSLOW_REJECT;
+ case SSB_IDLOW_SSBREV_23:
+ return SSB_TMSLOW_REJECT_23;
+- case SSB_IDLOW_SSBREV_24: /* TODO - find the proper REJECT bits */
+- case SSB_IDLOW_SSBREV_25: /* same here */
+- case SSB_IDLOW_SSBREV_26: /* same here */
++ case SSB_IDLOW_SSBREV_25: /* TODO - find the proper REJECT bit */
+ case SSB_IDLOW_SSBREV_27: /* same here */
+- return SSB_TMSLOW_REJECT_23; /* this is a guess */
++ return SSB_TMSLOW_REJECT; /* this is a guess */
+ default:
+ printk(KERN_INFO "ssb: Backplane Revision 0x%.8X\n", rev);
+ WARN_ON(1);
+ }
+- return (SSB_TMSLOW_REJECT_22 | SSB_TMSLOW_REJECT_23);
++ return (SSB_TMSLOW_REJECT | SSB_TMSLOW_REJECT_23);
+ }
+
+ int ssb_device_is_enabled(struct ssb_device *dev)
+@@ -1309,20 +1309,20 @@ EXPORT_SYMBOL(ssb_bus_may_powerdown);
+
+ int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl)
+ {
+- struct ssb_chipcommon *cc;
+ int err;
+ enum ssb_clkmode mode;
+
+ err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
+ if (err)
+ goto error;
+- cc = &bus->chipco;
+- mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
+- ssb_chipco_set_clockmode(cc, mode);
+
+ #ifdef CONFIG_SSB_DEBUG
+ bus->powered_up = 1;
+ #endif
++
++ mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
++ ssb_chipco_set_clockmode(&bus->chipco, mode);
++
+ return 0;
+ error:
+ ssb_printk(KERN_ERR PFX "Bus powerup failed\n");
+@@ -1330,6 +1330,37 @@ error:
+ }
+ EXPORT_SYMBOL(ssb_bus_powerup);
+
++static void ssb_broadcast_value(struct ssb_device *dev,
++ u32 address, u32 data)
++{
++#ifdef CONFIG_SSB_DRIVER_PCICORE
++ /* This is used for both, PCI and ChipCommon core, so be careful. */
++ BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR);
++ BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA);
++#endif
++
++ ssb_write32(dev, SSB_CHIPCO_BCAST_ADDR, address);
++ ssb_read32(dev, SSB_CHIPCO_BCAST_ADDR); /* flush */
++ ssb_write32(dev, SSB_CHIPCO_BCAST_DATA, data);
++ ssb_read32(dev, SSB_CHIPCO_BCAST_DATA); /* flush */
++}
++
++void ssb_commit_settings(struct ssb_bus *bus)
++{
++ struct ssb_device *dev;
++
++#ifdef CONFIG_SSB_DRIVER_PCICORE
++ dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;
++#else
++ dev = bus->chipco.dev;
++#endif
++ if (WARN_ON(!dev))
++ return;
++ /* This forces an update of the cached registers. */
++ ssb_broadcast_value(dev, 0xFD8, 0);
++}
++EXPORT_SYMBOL(ssb_commit_settings);
++
+ u32 ssb_admatch_base(u32 adm)
+ {
+ u32 base = 0;
+--- a/drivers/ssb/pci.c
++++ b/drivers/ssb/pci.c
+@@ -662,7 +662,6 @@ static int sprom_extract(struct ssb_bus
+ static int ssb_pci_sprom_get(struct ssb_bus *bus,
+ struct ssb_sprom *sprom)
+ {
+- const struct ssb_sprom *fallback;
+ int err;
+ u16 *buf;
+
+@@ -707,10 +706,17 @@ static int ssb_pci_sprom_get(struct ssb_
+ if (err) {
+ /* All CRC attempts failed.
+ * Maybe there is no SPROM on the device?
+- * If we have a fallback, use that. */
+- fallback = ssb_get_fallback_sprom();
+- if (fallback) {
+- memcpy(sprom, fallback, sizeof(*sprom));
++ * Now we ask the arch code if there is some sprom
++ * available for this device in some other storage */
++ err = ssb_fill_sprom_with_fallback(bus, sprom);
++ if (err) {
++ ssb_printk(KERN_WARNING PFX "WARNING: Using"
++ " fallback SPROM failed (err %d)\n",
++ err);
++ } else {
++ ssb_dprintk(KERN_DEBUG PFX "Using SPROM"
++ " revision %d provided by"
++ " platform.\n", sprom->revision);
+ err = 0;
+ goto out_free;
+ }
+--- a/drivers/ssb/pcihost_wrapper.c
++++ b/drivers/ssb/pcihost_wrapper.c
+@@ -53,8 +53,8 @@ static int ssb_pcihost_resume(struct pci
+ # define ssb_pcihost_resume NULL
+ #endif /* CONFIG_PM */
+
+-static int ssb_pcihost_probe(struct pci_dev *dev,
+- const struct pci_device_id *id)
++static int __devinit ssb_pcihost_probe(struct pci_dev *dev,
++ const struct pci_device_id *id)
+ {
+ struct ssb_bus *ssb;
+ int err = -ENOMEM;
+@@ -110,7 +110,7 @@ static void ssb_pcihost_remove(struct pc
+ pci_set_drvdata(dev, NULL);
+ }
+
+-int ssb_pcihost_register(struct pci_driver *driver)
++int __devinit ssb_pcihost_register(struct pci_driver *driver)
+ {
+ driver->probe = ssb_pcihost_probe;
+ driver->remove = ssb_pcihost_remove;
+--- a/drivers/ssb/scan.c
++++ b/drivers/ssb/scan.c
+@@ -258,7 +258,10 @@ static int we_support_multiple_80211_cor
+ #ifdef CONFIG_SSB_PCIHOST
+ if (bus->bustype == SSB_BUSTYPE_PCI) {
+ if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM &&
+- bus->host_pci->device == 0x4324)
++ ((bus->host_pci->device == 0x4313) ||
++ (bus->host_pci->device == 0x431A) ||
++ (bus->host_pci->device == 0x4321) ||
++ (bus->host_pci->device == 0x4324)))
+ return 1;
+ }
+ #endif /* CONFIG_SSB_PCIHOST */
+@@ -307,7 +310,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
+ } else {
+ if (bus->bustype == SSB_BUSTYPE_PCI) {
+ bus->chip_id = pcidev_to_chipid(bus->host_pci);
+- pci_read_config_word(bus->host_pci, PCI_REVISION_ID,
++ pci_read_config_byte(bus->host_pci, PCI_REVISION_ID,
+ &bus->chip_rev);
+ bus->chip_package = 0;
+ } else {
+--- a/drivers/ssb/sprom.c
++++ b/drivers/ssb/sprom.c
+@@ -17,7 +17,7 @@
+ #include <linux/slab.h>
+
+
+-static const struct ssb_sprom *fallback_sprom;
++static int(*get_fallback_sprom)(struct ssb_bus *dev, struct ssb_sprom *out);
+
+
+ static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len,
+@@ -145,36 +145,43 @@ out:
+ }
+
+ /**
+- * ssb_arch_set_fallback_sprom - Set a fallback SPROM for use if no SPROM is found.
++ * ssb_arch_register_fallback_sprom - Registers a method providing a
++ * fallback SPROM if no SPROM is found.
+ *
+- * @sprom: The SPROM data structure to register.
++ * @sprom_callback: The callback function.
+ *
+- * With this function the architecture implementation may register a fallback
+- * SPROM data structure. The fallback is only used for PCI based SSB devices,
+- * where no valid SPROM can be found in the shadow registers.
++ * With this function the architecture implementation may register a
++ * callback handler which fills the SPROM data structure. The fallback is
++ * only used for PCI based SSB devices, where no valid SPROM can be found
++ * in the shadow registers.
+ *
+- * This function is useful for weird architectures that have a half-assed SSB device
+- * hardwired to their PCI bus.
++ * This function is useful for weird architectures that have a half-assed
++ * SSB device hardwired to their PCI bus.
+ *
+- * Note that it does only work with PCI attached SSB devices. PCMCIA devices currently
+- * don't use this fallback.
+- * Architectures must provide the SPROM for native SSB devices anyway,
+- * so the fallback also isn't used for native devices.
++ * Note that it does only work with PCI attached SSB devices. PCMCIA
++ * devices currently don't use this fallback.
++ * Architectures must provide the SPROM for native SSB devices anyway, so
++ * the fallback also isn't used for native devices.
+ *
+- * This function is available for architecture code, only. So it is not exported.
++ * This function is available for architecture code, only. So it is not
++ * exported.
+ */
+-int ssb_arch_set_fallback_sprom(const struct ssb_sprom *sprom)
++int ssb_arch_register_fallback_sprom(int (*sprom_callback)(struct ssb_bus *bus,
++ struct ssb_sprom *out))
+ {
+- if (fallback_sprom)
++ if (get_fallback_sprom)
+ return -EEXIST;
+- fallback_sprom = sprom;
++ get_fallback_sprom = sprom_callback;
+
+ return 0;
+ }
+
+-const struct ssb_sprom *ssb_get_fallback_sprom(void)
++int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, struct ssb_sprom *out)
+ {
+- return fallback_sprom;
++ if (!get_fallback_sprom)
++ return -ENOENT;
++
++ return get_fallback_sprom(bus, out);
+ }
+
+ /* http://bcm-v4.sipsolutions.net/802.11/IsSpromAvailable */
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -171,7 +171,8 @@ ssize_t ssb_attr_sprom_store(struct ssb_
+ const char *buf, size_t count,
+ int (*sprom_check_crc)(const u16 *sprom, size_t size),
+ int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom));
+-extern const struct ssb_sprom *ssb_get_fallback_sprom(void);
++extern int ssb_fill_sprom_with_fallback(struct ssb_bus *bus,
++ struct ssb_sprom *out);
+
+
+ /* core.c */
+--- a/include/linux/ssb/ssb.h
++++ b/include/linux/ssb/ssb.h
+@@ -308,7 +308,7 @@ struct ssb_bus {
+
+ /* ID information about the Chip. */
+ u16 chip_id;
+- u16 chip_rev;
++ u8 chip_rev;
+ u16 sprom_offset;
+ u16 sprom_size; /* number of words in sprom */
+ u8 chip_package;
+@@ -404,7 +404,9 @@ extern bool ssb_is_sprom_available(struc
+
+ /* Set a fallback SPROM.
+ * See kdoc at the function definition for complete documentation. */
+-extern int ssb_arch_set_fallback_sprom(const struct ssb_sprom *sprom);
++extern int ssb_arch_register_fallback_sprom(
++ int (*sprom_callback)(struct ssb_bus *bus,
++ struct ssb_sprom *out));
+
+ /* Suspend a SSB bus.
+ * Call this from the parent bus suspend routine. */
+@@ -518,6 +520,7 @@ extern int ssb_bus_may_powerdown(struct
+ * Otherwise static always-on powercontrol will be used. */
+ extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl);
+
++extern void ssb_commit_settings(struct ssb_bus *bus);
+
+ /* Various helper functions */
+ extern u32 ssb_admatch_base(u32 adm);
+--- a/include/linux/ssb/ssb_driver_chipcommon.h
++++ b/include/linux/ssb/ssb_driver_chipcommon.h
+@@ -123,6 +123,8 @@
+ #define SSB_CHIPCO_FLASHDATA 0x0048
+ #define SSB_CHIPCO_BCAST_ADDR 0x0050
+ #define SSB_CHIPCO_BCAST_DATA 0x0054
++#define SSB_CHIPCO_GPIOPULLUP 0x0058 /* Rev >= 20 only */
++#define SSB_CHIPCO_GPIOPULLDOWN 0x005C /* Rev >= 20 only */
+ #define SSB_CHIPCO_GPIOIN 0x0060
+ #define SSB_CHIPCO_GPIOOUT 0x0064
+ #define SSB_CHIPCO_GPIOOUTEN 0x0068
+@@ -131,6 +133,9 @@
+ #define SSB_CHIPCO_GPIOIRQ 0x0074
+ #define SSB_CHIPCO_WATCHDOG 0x0080
+ #define SSB_CHIPCO_GPIOTIMER 0x0088 /* LED powersave (corerev >= 16) */
++#define SSB_CHIPCO_GPIOTIMER_OFFTIME 0x0000FFFF
++#define SSB_CHIPCO_GPIOTIMER_OFFTIME_SHIFT 0
++#define SSB_CHIPCO_GPIOTIMER_ONTIME 0xFFFF0000
+ #define SSB_CHIPCO_GPIOTIMER_ONTIME_SHIFT 16
+ #define SSB_CHIPCO_GPIOTOUTM 0x008C /* LED powersave (corerev >= 16) */
+ #define SSB_CHIPCO_CLOCK_N 0x0090
+@@ -189,8 +194,10 @@
+ #define SSB_CHIPCO_CLKCTLST_HAVEALPREQ 0x00000008 /* ALP available request */
+ #define SSB_CHIPCO_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
+ #define SSB_CHIPCO_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
+-#define SSB_CHIPCO_CLKCTLST_HAVEHT 0x00010000 /* HT available */
+-#define SSB_CHIPCO_CLKCTLST_HAVEALP 0x00020000 /* APL available */
++#define SSB_CHIPCO_CLKCTLST_HAVEALP 0x00010000 /* ALP available */
++#define SSB_CHIPCO_CLKCTLST_HAVEHT 0x00020000 /* HT available */
++#define SSB_CHIPCO_CLKCTLST_4328A0_HAVEHT 0x00010000 /* 4328a0 has reversed bits */
++#define SSB_CHIPCO_CLKCTLST_4328A0_HAVEALP 0x00020000 /* 4328a0 has reversed bits */
+ #define SSB_CHIPCO_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
+ #define SSB_CHIPCO_UART0_DATA 0x0300
+ #define SSB_CHIPCO_UART0_IMR 0x0304
+--- a/include/linux/ssb/ssb_regs.h
++++ b/include/linux/ssb/ssb_regs.h
+@@ -97,7 +97,7 @@
+ #define SSB_INTVEC_ENET1 0x00000040 /* Enable interrupts for enet 1 */
+ #define SSB_TMSLOW 0x0F98 /* SB Target State Low */
+ #define SSB_TMSLOW_RESET 0x00000001 /* Reset */
+-#define SSB_TMSLOW_REJECT_22 0x00000002 /* Reject (Backplane rev 2.2) */
++#define SSB_TMSLOW_REJECT 0x00000002 /* Reject (Standard Backplane) */
+ #define SSB_TMSLOW_REJECT_23 0x00000004 /* Reject (Backplane rev 2.3) */
+ #define SSB_TMSLOW_CLOCK 0x00010000 /* Clock Enable */
+ #define SSB_TMSLOW_FGC 0x00020000 /* Force Gated Clocks On */