brcm47xx: BCMA - Broadcom 2011 SDK Updates
authorHauke Mehrtens <hauke@hauke-m.de>
Thu, 13 Dec 2012 18:54:04 +0000 (18:54 +0000)
committerHauke Mehrtens <hauke@hauke-m.de>
Thu, 13 Dec 2012 18:54:04 +0000 (18:54 +0000)
I noticed these changes when reviewing the 2011 Broadcom SDK. I haven't
noticed any obvious changes in behavior with them applied; but thought I
should at least pass them on.

Signed-off-by: Nathan Hintz <nlhintz@hotmail.com>
SVN-Revision: 34670

target/linux/brcm47xx/patches-3.6/241-bcma-broadcom-2011-sdk-updates.patch [new file with mode: 0644]

diff --git a/target/linux/brcm47xx/patches-3.6/241-bcma-broadcom-2011-sdk-updates.patch b/target/linux/brcm47xx/patches-3.6/241-bcma-broadcom-2011-sdk-updates.patch
new file mode 100644 (file)
index 0000000..ef356e2
--- /dev/null
@@ -0,0 +1,50 @@
+--- a/drivers/bcma/core.c
++++ b/drivers/bcma/core.c
+@@ -43,6 +43,7 @@ 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/include/linux/bcma/bcma_driver_pci.h
++++ b/include/linux/bcma/bcma_driver_pci.h
+@@ -179,6 +179,8 @@ struct pci_dev;
+ #define BCMA_CORE_PCI_CFG_FUN_MASK            7       /* Function mask */
+ #define BCMA_CORE_PCI_CFG_OFF_MASK            0xfff   /* Register mask */
++#define BCMA_CORE_PCI_CFG_DEVCTRL             0xd8
++
+ /* PCIE Root Capability Register bits (Host mode only) */
+ #define BCMA_CORE_PCI_RC_CRS_VISIBILITY               0x0001
+--- a/drivers/bcma/driver_pci_host.c
++++ b/drivers/bcma/driver_pci_host.c
+@@ -430,7 +430,7 @@ void __devinit bcma_core_pci_hostmode_in
+       /* Reset RC */
+       usleep_range(3000, 5000);
+       pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST_OE);
+-      usleep_range(1000, 2000);
++      msleep(50);
+       pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST |
+                       BCMA_CORE_PCI_CTL_RST_OE);
+@@ -492,6 +492,17 @@ void __devinit bcma_core_pci_hostmode_in
+       bcma_core_pci_enable_crs(pc);
++      if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706 ||
++          bus->chipinfo.id == BCMA_CHIP_ID_BCM4716) {
++              u16 val16;
++              bcma_extpci_read_config(pc, 0, 0, BCMA_CORE_PCI_CFG_DEVCTRL,
++                                      &val16, sizeof(val16));
++              val16 |= (2 << 5);      /* Max payload size of 512 */
++              val16 |= (2 << 12);     /* MRRS 512 */
++              bcma_extpci_write_config(pc, 0, 0, BCMA_CORE_PCI_CFG_DEVCTRL,
++                                       &val16, sizeof(val16));
++      }
++
+       /* Enable PCI bridge BAR0 memory & master access */
+       tmp = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+       bcma_extpci_write_config(pc, 0, 0, PCI_COMMAND, &tmp, sizeof(tmp));