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fsl_pq_mdio: Add Suport for etsec2.0 devices.

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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>
This commit is contained in:
Sandeep Gopalpet
2009-11-02 07:03:22 +00:00
committed by David S. Miller
parent fba4ed030c
commit 1d2397d742
2 changed files with 57 additions and 13 deletions
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59
drivers/net/fsl_pq_mdio.c
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@@ -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);