From 21fc9ffe63136cc43199d887a928bcf76b82fae4 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Fri, 30 Oct 2009 12:26:22 +0000 Subject: [PATCH] ar71xx: use soc specific divider for mdio clock SVN-Revision: 18225 --- .../ar71xx/files/arch/mips/ar71xx/devices.c | 8 +++++--- .../mips/include/asm/mach-ar71xx/platform.h | 1 + .../ar71xx/files/drivers/net/ag71xx/ag71xx.h | 7 ++++--- .../files/drivers/net/ag71xx/ag71xx_mdio.c | 18 +++++++++++++----- 4 files changed, 23 insertions(+), 11 deletions(-) diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c index 7c08bc997f..d55022f88a 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c @@ -186,9 +186,7 @@ static struct resource ar71xx_mdio_resources[] = { } }; -static struct ag71xx_mdio_platform_data ar71xx_mdio_data = { - .phy_mask = 0xffffffff, -}; +static struct ag71xx_mdio_platform_data ar71xx_mdio_data; static struct platform_device ar71xx_mdio_device = { .name = "ag71xx-mdio", @@ -202,7 +200,11 @@ static struct platform_device ar71xx_mdio_device = { void __init ar71xx_add_device_mdio(u32 phy_mask) { + if (ar71xx_soc == AR71XX_SOC_AR7240) + ar71xx_mdio_data.is_ar7240 = 1; + ar71xx_mdio_data.phy_mask = phy_mask; + platform_device_register(&ar71xx_mdio_device); } diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h index c305a821d0..52f41f47ad 100644 --- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h +++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h @@ -37,6 +37,7 @@ struct ag71xx_platform_data { struct ag71xx_mdio_platform_data { u32 phy_mask; + int is_ar7240; }; struct ar71xx_ehci_platform_data { diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h index f4ae0eb178..77962fec80 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h @@ -103,9 +103,10 @@ struct ag71xx_ring { }; struct ag71xx_mdio { - struct mii_bus *mii_bus; - int mii_irq[PHY_MAX_ADDR]; - void __iomem *mdio_base; + struct mii_bus *mii_bus; + int mii_irq[PHY_MAX_ADDR]; + void __iomem *mdio_base; + struct ag71xx_mdio_platform_data *pdata; }; struct ag71xx { diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c index d3cbacedb2..b6fccbbcd6 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c @@ -106,7 +106,10 @@ static int ag71xx_mdio_reset(struct mii_bus *bus) struct ag71xx_mdio *am = bus->priv; u32 t; - t = MII_CFG_CLK_DIV_28; + if (am->pdata->is_ar7240) + t = MII_CFG_CLK_DIV_6; + else + t = MII_CFG_CLK_DIV_28; ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t | MII_CFG_RESET); udelay(100); @@ -143,12 +146,20 @@ static int __init ag71xx_mdio_probe(struct platform_device *pdev) if (ag71xx_mdio_bus) return -EBUSY; + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data specified\n"); + return -EINVAL; + } + am = kzalloc(sizeof(*am), GFP_KERNEL); if (!am) { err = -ENOMEM; goto err_out; } + am->pdata = pdata; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(&pdev->dev, "no iomem resource found\n"); @@ -177,10 +188,7 @@ static int __init ag71xx_mdio_probe(struct platform_device *pdev) am->mii_bus->priv = am; am->mii_bus->parent = &pdev->dev; snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0); - - pdata = pdev->dev.platform_data; - if (pdata) - am->mii_bus->phy_mask = pdata->phy_mask; + am->mii_bus->phy_mask = pdata->phy_mask; for (i = 0; i < PHY_MAX_ADDR; i++) am->mii_irq[i] = PHY_POLL; -- 2.30.2