Commit e54ad1e0 authored by Stefan Chulski's avatar Stefan Chulski Committed by David S. Miller

net: mvpp2: add CM3 SRAM memory map

This patch adds CM3 memory map.
Signed-off-by: default avatarStefan Chulski <stefanc@marvell.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Acked-by: default avatarMarcin Wojtas <mw@semihalf.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 60523583
......@@ -925,6 +925,7 @@ struct mvpp2 {
/* Shared registers' base addresses */
void __iomem *lms_base;
void __iomem *iface_base;
void __iomem *cm3_base;
/* On PPv2.2, each "software thread" can access the base
* register through a separate address space, each 64 KB apart
......
......@@ -6854,6 +6854,27 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv)
return 0;
}
static int mvpp2_get_sram(struct platform_device *pdev,
struct mvpp2 *priv)
{
struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
if (!res) {
if (has_acpi_companion(&pdev->dev))
dev_warn(&pdev->dev, "ACPI is too old, Flow control not supported\n");
else
dev_warn(&pdev->dev, "DT is too old, Flow control not supported\n");
return 0;
}
priv->cm3_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->cm3_base))
return PTR_ERR(priv->cm3_base);
return 0;
}
static int mvpp2_probe(struct platform_device *pdev)
{
const struct acpi_device_id *acpi_id;
......@@ -6910,6 +6931,11 @@ static int mvpp2_probe(struct platform_device *pdev)
priv->iface_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->iface_base))
return PTR_ERR(priv->iface_base);
/* Map CM3 SRAM */
err = mvpp2_get_sram(pdev, priv);
if (err)
dev_warn(&pdev->dev, "Fail to alloc CM3 SRAM\n");
}
if (priv->hw_version == MVPP22 && dev_of_node(&pdev->dev)) {
......
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