diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-3.14/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-3.14/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.14/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch b/target/linux/bcm53xx/patches-3.14/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch new file mode 100644 index 0000000000..1cf4641fa6 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.14/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch @@ -0,0 +1,73 @@ +These are some hackish patches to make the Ethernet driver work somehow +on this arm core. +The flash driver is not working, so we removed the nvram reading, this +should be changed after we have a flash driver. +The mdelay(1) is a ugly workaround for this arm chip, this seams to be a dma problem. + +The PHY says it is not connected by default, just ignore it. + +--- a/drivers/net/ethernet/broadcom/Kconfig ++++ b/drivers/net/ethernet/broadcom/Kconfig +@@ -131,7 +131,7 @@ config BNX2X_SRIOV + + config BGMAC + tristate "BCMA bus GBit core support" +- depends on BCMA_HOST_SOC && HAS_DMA && BCM47XX ++ depends on BCMA_HOST_SOC && HAS_DMA + select PHYLIB + ---help--- + This driver supports GBit MAC and BCM4706 GBit MAC cores on BCMA bus. +--- a/drivers/net/ethernet/broadcom/bgmac.c ++++ b/drivers/net/ethernet/broadcom/bgmac.c +@@ -17,7 +17,11 @@ + #include <linux/interrupt.h> + #include <linux/dma-mapping.h> + #include <linux/platform_data/b53.h> ++#ifdef CONFIG_BCM47XX + #include <bcm47xx_nvram.h> ++#else ++#define bcm47xx_nvram_getenv(a, b, c) -1 ++#endif + + static const struct bcma_device_id bgmac_bcma_tbl[] = { + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS), +@@ -1452,7 +1456,7 @@ static int bgmac_probe(struct bcma_devic + int err; + + /* We don't support 2nd, 3rd, ... units, SPROM has to be adjusted */ +- if (core->core_unit > 1) { ++ if (core->core_unit > 0) { + pr_err("Unsupported core_unit %d\n", core->core_unit); + return -ENOTSUPP; + } +@@ -1487,8 +1491,7 @@ static int bgmac_probe(struct bcma_devic + } + bgmac->cmn = core->bus->drv_gmac_cmn.core; + +- bgmac->phyaddr = core->core_unit ? sprom->et1phyaddr : +- sprom->et0phyaddr; ++ bgmac->phyaddr = BGMAC_PHY_NOREGS; // core->core_unit ? sprom->et1phyaddr : sprom->et0phyaddr; + bgmac->phyaddr &= BGMAC_PHY_MASK; + if (bgmac->phyaddr == BGMAC_PHY_MASK) { + bgmac_err(bgmac, "No PHY found\n"); +@@ -1540,8 +1543,7 @@ static int bgmac_probe(struct bcma_devic + /* TODO: reset the external phy. Specs are needed */ + bgmac_phy_reset(bgmac); + +- bgmac->has_robosw = !!(core->bus->sprom.boardflags_lo & +- BGMAC_BFL_ENETROBO); ++ bgmac->has_robosw = 1; + if (bgmac->has_robosw) + bgmac_warn(bgmac, "Support for Roboswitch not implemented\n"); + +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -898,7 +898,7 @@ int genphy_update_link(struct phy_device + return status; + + if ((status & BMSR_LSTATUS) == 0) +- phydev->link = 0; ++ phydev->link = 1; + else + phydev->link = 1; + |