diff options
| author |   Srinivas Kandagatla <srinivas.kandagatla@st.com> | 2013-07-04 10:35:41 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-07-04 14:34:17 -0700 |
| commit | 25c83b5c2e82560406d5265f42cd147f1eb441d0 (patch) | |
| tree | 1edcb44b5b50a5cb8fd1d1f668fa0ac38c3ac377 /drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | |
| parent | dt:net:stmmac: Allocate platform data only if its NULL. (diff) | |
| download | linux-dev-25c83b5c2e82560406d5265f42cd147f1eb441d0.tar.xz linux-dev-25c83b5c2e82560406d5265f42cd147f1eb441d0.zip | |
dt:net:stmmac: Add support to dwmac version 3.610 and 3.710
This patch adds dt support to dwmac version 3.610 and 3.710 these
versions are integrated in STiH415 and STiH416 ARM A9 SOCs.
To support these IP version, some of the device tree properties are
extended.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index adfb9a3ce6c5..03de76c7a177 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -34,12 +34,20 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) { struct device_node *np = pdev->dev.of_node; + struct stmmac_dma_cfg *dma_cfg; if (!np) return -ENODEV; *mac = of_get_mac_address(np); plat->interface = of_get_phy_mode(np); + + plat->bus_id = of_alias_get_id(np, "ethernet"); + if (plat->bus_id < 0) + plat->bus_id = 0; + + of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr); + plat->mdio_bus_data = devm_kzalloc(&pdev->dev, sizeof(struct stmmac_mdio_bus_data), GFP_KERNEL); @@ -56,6 +64,22 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, plat->pmt = 1; } + if (of_device_is_compatible(np, "snps,dwmac-3.610") || + of_device_is_compatible(np, "snps,dwmac-3.710")) { + plat->enh_desc = 1; + plat->bugged_jumbo = 1; + plat->force_sf_dma_mode = 1; + } + + dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL); + if (!dma_cfg) + return -ENOMEM; + + plat->dma_cfg = dma_cfg; + of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl); + dma_cfg->fixed_burst = of_property_read_bool(np, "snps,fixed-burst"); + dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst"); + return 0; } #else @@ -228,7 +252,9 @@ static const struct dev_pm_ops stmmac_pltfr_pm_ops; static const struct of_device_id stmmac_dt_ids[] = { { .compatible = "st,spear600-gmac"}, + { .compatible = "snps,dwmac-3.610"}, { .compatible = "snps,dwmac-3.70a"}, + { .compatible = "snps,dwmac-3.710"}, { .compatible = "snps,dwmac"}, { /* sentinel */ } }; |