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bcma: update pci configuration for bcm4706/bcm4716 

Update the PCI configuration for BCM4706 and BCM4716 per the 2011
Broadcom SDK.

Signed-off-by: Nathan Hintz <nlhintz@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nathan Hintz 2013-01-10 22:24:03 -08:00 committed by John W. Linville
parent eab6d7921d
commit 990debe2ca
2 changed files with 14 additions and 1 deletions
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13
drivers/bcma/driver_pci_host.c
View File

@ -427,7 +427,7 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
/* 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);
@ -489,6 +489,17 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
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));

2
include/linux/bcma/bcma_driver_pci.h
View File

@ -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