Just initialize things using the bootloader timings like we've been doing for the legacy booting too. It should be possible to patch in the GPMC timings for the based on the TL16CP743C/TL16C754C manual at: http://www.ti.com/lit/ds/slls644g/slls644g.pdf Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> --- arch/arm/mach-omap2/gpmc.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 579697a..51525fa 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1521,6 +1521,42 @@ err: return ret; } +/* + * REVISIT: Add timing support from slls644g.pdf + */ +static int gpmc_probe_8250(struct platform_device *pdev, + struct device_node *child) +{ + struct resource res; + unsigned long base; + int ret, cs; + + if (of_property_read_u32(child, "reg", &cs) < 0) { + dev_err(&pdev->dev, "%s has no 'reg' property\n", + child->full_name); + return -ENODEV; + } + + if (of_address_to_resource(child, 0, &res) < 0) { + dev_err(&pdev->dev, "%s has malformed 'reg' property\n", + child->full_name); + return -ENODEV; + } + + ret = gpmc_cs_request(cs, resource_size(&res), &base); + if (ret < 0) { + dev_err(&pdev->dev, "cannot request GPMC CS %d\n", cs); + return ret; + } + + if (of_platform_device_create(child, NULL, &pdev->dev)) + return 0; + + dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name); + + return -ENODEV; +} + static int gpmc_probe_dt(struct platform_device *pdev) { int ret; @@ -1564,6 +1600,8 @@ static int gpmc_probe_dt(struct platform_device *pdev) else if (of_node_cmp(child->name, "ethernet") == 0 || of_node_cmp(child->name, "nor") == 0) ret = gpmc_probe_generic_child(pdev, child); + else if (of_node_cmp(child->name, "8250") == 0) + ret = gpmc_probe_8250(pdev, child); if (WARN(ret < 0, "%s: probing gpmc child %s failed\n", __func__, child->full_name)) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
