MIPS: BCM63xx: Add integrated ethernet mac support.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index 99bbc87..aaa585c 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,5 +1,5 @@
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
- dev-dsp.o
+ dev-dsp.o dev-enet.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/
diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c
new file mode 100644
index 0000000..9f544ba
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -0,0 +1,159 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_dev_enet.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static struct resource shared_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device bcm63xx_enet_shared_device = {
+ .name = "bcm63xx_enet_shared",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(shared_res),
+ .resource = shared_res,
+};
+
+static int shared_device_registered;
+
+static struct resource enet0_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct bcm63xx_enet_platform_data enet0_pd;
+
+static struct platform_device bcm63xx_enet0_device = {
+ .name = "bcm63xx_enet",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(enet0_res),
+ .resource = enet0_res,
+ .dev = {
+ .platform_data = &enet0_pd,
+ },
+};
+
+static struct resource enet1_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct bcm63xx_enet_platform_data enet1_pd;
+
+static struct platform_device bcm63xx_enet1_device = {
+ .name = "bcm63xx_enet",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(enet1_res),
+ .resource = enet1_res,
+ .dev = {
+ .platform_data = &enet1_pd,
+ },
+};
+
+int __init bcm63xx_enet_register(int unit,
+ const struct bcm63xx_enet_platform_data *pd)
+{
+ struct platform_device *pdev;
+ struct bcm63xx_enet_platform_data *dpd;
+ int ret;
+
+ if (unit > 1)
+ return -ENODEV;
+
+ if (!shared_device_registered) {
+ shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
+ shared_res[0].end = shared_res[0].start;
+ if (BCMCPU_IS_6338())
+ shared_res[0].end += (RSET_ENETDMA_SIZE / 2) - 1;
+ else
+ shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;
+
+ ret = platform_device_register(&bcm63xx_enet_shared_device);
+ if (ret)
+ return ret;
+ shared_device_registered = 1;
+ }
+
+ if (unit == 0) {
+ enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0);
+ enet0_res[0].end = enet0_res[0].start;
+ enet0_res[0].end += RSET_ENET_SIZE - 1;
+ enet0_res[1].start = bcm63xx_get_irq_number(IRQ_ENET0);
+ enet0_res[2].start = bcm63xx_get_irq_number(IRQ_ENET0_RXDMA);
+ enet0_res[3].start = bcm63xx_get_irq_number(IRQ_ENET0_TXDMA);
+ pdev = &bcm63xx_enet0_device;
+ } else {
+ enet1_res[0].start = bcm63xx_regset_address(RSET_ENET1);
+ enet1_res[0].end = enet1_res[0].start;
+ enet1_res[0].end += RSET_ENET_SIZE - 1;
+ enet1_res[1].start = bcm63xx_get_irq_number(IRQ_ENET1);
+ enet1_res[2].start = bcm63xx_get_irq_number(IRQ_ENET1_RXDMA);
+ enet1_res[3].start = bcm63xx_get_irq_number(IRQ_ENET1_TXDMA);
+ pdev = &bcm63xx_enet1_device;
+ }
+
+ /* copy given platform data */
+ dpd = pdev->dev.platform_data;
+ memcpy(dpd, pd, sizeof(*pd));
+
+ /* adjust them in case internal phy is used */
+ if (dpd->use_internal_phy) {
+
+ /* internal phy only exists for enet0 */
+ if (unit == 1)
+ return -ENODEV;
+
+ dpd->phy_id = 1;
+ dpd->has_phy_interrupt = 1;
+ dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY);
+ }
+
+ ret = platform_device_register(pdev);
+ if (ret)
+ return ret;
+ return 0;
+}