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brcm47xx: BCMA - Broadcom 2011 SDK Updates

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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
This commit is contained in:
Hauke Mehrtens 2012-12-13 18:54:04 +00:00
parent 97d22306da
commit 6672d869da
1 changed files with 50 additions and 0 deletions
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50
target/linux/brcm47xx/patches-3.6/241-bcma-broadcom-2011-sdk-updates.patch Normal file
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@ -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));