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author | Sandeep Gopalpet <Sandeep.Kumar@freescale.com> | 2009-11-02 07:03:22 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2009-11-02 23:40:57 -0800 |
commit | 1d2397d742b7a2b39b2f09dd9da3b9d1463f55e9 (patch) | |
tree | 987bfc7e0365278e1030cd318a9b9c1a7156d1a9 /drivers/net/fsl_pq_mdio.c | |
parent | fba4ed030cfae7efdb6b79a57b0c5a9d72c9de83 (diff) | |
download | linux-stable-1d2397d742b7a2b39b2f09dd9da3b9d1463f55e9.tar.gz linux-stable-1d2397d742b7a2b39b2f09dd9da3b9d1463f55e9.tar.bz2 linux-stable-1d2397d742b7a2b39b2f09dd9da3b9d1463f55e9.zip |
fsl_pq_mdio: Add Suport for etsec2.0 devices.
This patch adds mdio support for etsec2.0 devices.
Modified the fsl_pq_mdio structure to include the new mdio
members.
Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/fsl_pq_mdio.c')
-rw-r--r-- | drivers/net/fsl_pq_mdio.c | 59 |
1 files changed, 48 insertions, 11 deletions
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c index 6ac464866972..4065b7c01ecb 100644 --- a/drivers/net/fsl_pq_mdio.c +++ b/drivers/net/fsl_pq_mdio.c @@ -3,8 +3,9 @@ * Provides Bus interface for MIIM regs * * Author: Andy Fleming <afleming@freescale.com> + * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> * - * Copyright (c) 2002-2004,2008 Freescale Semiconductor, Inc. + * Copyright 2002-2004, 2008-2009 Freescale Semiconductor, Inc. * * Based on gianfar_mii.c and ucc_geth_mii.c (Li Yang, Kim Phillips) * @@ -189,19 +190,29 @@ static int fsl_pq_mdio_find_free(struct mii_bus *new_bus) #if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE) -static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs) +static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np) { struct gfar __iomem *enet_regs; + u32 __iomem *ioremap_tbipa; + u64 addr, size; /* * This is mildly evil, but so is our hardware for doing this. * Also, we have to cast back to struct gfar because of * definition weirdness done in gianfar.h. */ - enet_regs = (struct gfar __iomem *) - ((char __iomem *)regs - offsetof(struct gfar, gfar_mii_regs)); - - return &enet_regs->tbipa; + if(of_device_is_compatible(np, "fsl,gianfar-mdio") || + of_device_is_compatible(np, "fsl,gianfar-tbi") || + of_device_is_compatible(np, "gianfar")) { + enet_regs = (struct gfar __iomem *)regs; + return &enet_regs->tbipa; + } else if (of_device_is_compatible(np, "fsl,etsec2-mdio") || + of_device_is_compatible(np, "fsl,etsec2-tbi")) { + addr = of_translate_address(np, of_get_address(np, 1, &size, NULL)); + ioremap_tbipa = ioremap(addr, size); + return ioremap_tbipa; + } else + return NULL; } #endif @@ -250,11 +261,11 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev, { struct device_node *np = ofdev->node; struct device_node *tbi; - struct fsl_pq_mdio __iomem *regs; + struct fsl_pq_mdio __iomem *regs = NULL; u32 __iomem *tbipa; struct mii_bus *new_bus; int tbiaddr = -1; - u64 addr, size; + u64 addr = 0, size = 0, ioremap_miimcfg = 0; int err = 0; new_bus = mdiobus_alloc(); @@ -268,8 +279,22 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev, fsl_pq_mdio_bus_name(new_bus->id, np); /* Set the PHY base address */ - addr = of_translate_address(np, of_get_address(np, 0, &size, NULL)); - regs = ioremap(addr, size); + if (of_device_is_compatible(np,"fsl,gianfar-mdio") || + of_device_is_compatible(np, "fsl,gianfar-tbi") || + of_device_is_compatible(np, "fsl,ucc-mdio") || + of_device_is_compatible(np,"ucc_geth_phy" )) { + addr = of_translate_address(np, of_get_address(np, 0, &size, NULL)); + ioremap_miimcfg = container_of(addr, struct fsl_pq_mdio, miimcfg); + regs = ioremap(ioremap_miimcfg, size + + offsetof(struct fsl_pq_mdio, miimcfg)); + } else if (of_device_is_compatible(np,"fsl,etsec2-mdio") || + of_device_is_compatible(np, "fsl,etsec2-tbi")) { + addr = of_translate_address(np, of_get_address(np, 0, &size, NULL)); + regs = ioremap(addr, size); + } else { + err = -EINVAL; + goto err_free_bus; + } if (NULL == regs) { err = -ENOMEM; @@ -290,9 +315,15 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev, if (of_device_is_compatible(np, "fsl,gianfar-mdio") || of_device_is_compatible(np, "fsl,gianfar-tbi") || + of_device_is_compatible(np, "fsl,etsec2-mdio") || + of_device_is_compatible(np, "fsl,etsec2-tbi") || of_device_is_compatible(np, "gianfar")) { #if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE) - tbipa = get_gfar_tbipa(regs); + tbipa = get_gfar_tbipa(regs, np); + if (!tbipa) { + err = -EINVAL; + goto err_free_irqs; + } #else err = -ENODEV; goto err_free_irqs; @@ -405,6 +436,12 @@ static struct of_device_id fsl_pq_mdio_match[] = { { .compatible = "fsl,gianfar-mdio", }, + { + .compatible = "fsl,etsec2-tbi", + }, + { + .compatible = "fsl,etsec2-mdio", + }, {}, }; MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match); |