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@@ -0,0 +1,221 @@
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+/*
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+ * Platform device setup for Marvell mv64360/mv64460 host bridges (Discovery)
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+ *
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+ * Author: Dale Farnsworth <dale@farnsworth.org>
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+ *
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+ * 2007 (c) MontaVista, Software, Inc. This file is licensed under
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+ * the terms of the GNU General Public License version 2. This program
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+ * is licensed "as is" without any warranty of any kind, whether express
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+ * or implied.
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+ */
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+
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+#include <linux/stddef.h>
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/mv643xx.h>
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+#include <linux/platform_device.h>
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+
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+#include <asm/prom.h>
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+
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+/*
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+ * These functions provide the necessary setup for the mv64x60 drivers.
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+ * These drivers are unusual in that they work on both the MIPS and PowerPC
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+ * architectures. Because of that, the drivers do not support the normal
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+ * PowerPC of_platform_bus_type. They support platform_bus_type instead.
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+ */
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+
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+/*
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+ * Create MPSC platform devices
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+ */
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+static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np)
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+{
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+ struct platform_device *pdev;
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+ struct resource r[2];
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+ struct mpsc_shared_pdata pdata;
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+ const phandle *ph;
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+ struct device_node *mpscrouting, *mpscintr;
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+ int err;
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+
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+ ph = of_get_property(np, "mpscrouting", NULL);
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+ mpscrouting = of_find_node_by_phandle(*ph);
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+ if (!mpscrouting)
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+ return -ENODEV;
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+
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+ err = of_address_to_resource(mpscrouting, 0, &r[0]);
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+ of_node_put(mpscrouting);
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+ if (err)
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+ return err;
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+
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+ ph = of_get_property(np, "mpscintr", NULL);
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+ mpscintr = of_find_node_by_phandle(*ph);
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+ if (!mpscintr)
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+ return -ENODEV;
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+
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+ err = of_address_to_resource(mpscintr, 0, &r[1]);
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+ of_node_put(mpscintr);
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+ if (err)
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+ return err;
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+
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+ memset(&pdata, 0, sizeof(pdata));
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+
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+ pdev = platform_device_alloc(MPSC_SHARED_NAME, 0);
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+ if (!pdev)
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+ return -ENOMEM;
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+
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+ err = platform_device_add_resources(pdev, r, 2);
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+ if (err)
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+ goto error;
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+
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+ err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
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+ if (err)
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+ goto error;
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+
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+ err = platform_device_add(pdev);
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+ if (err)
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+ goto error;
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+
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+ return 0;
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+
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+error:
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+ platform_device_put(pdev);
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+ return err;
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+}
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+
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+
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+static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id)
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+{
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+ struct resource r[5];
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+ struct mpsc_pdata pdata;
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+ struct platform_device *pdev;
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+ const unsigned int *prop;
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+ const phandle *ph;
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+ struct device_node *sdma, *brg;
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+ int err;
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+ int port_number;
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+
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+ /* only register the shared platform device the first time through */
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+ if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np)))
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+ return err;
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+
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+ memset(r, 0, sizeof(r));
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+
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+ err = of_address_to_resource(np, 0, &r[0]);
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+ if (err)
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+ return err;
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+
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+ of_irq_to_resource(np, 0, &r[4]);
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+
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+ ph = of_get_property(np, "sdma", NULL);
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+ sdma = of_find_node_by_phandle(*ph);
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+ if (!sdma)
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+ return -ENODEV;
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+
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+ of_irq_to_resource(sdma, 0, &r[3]);
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+ err = of_address_to_resource(sdma, 0, &r[1]);
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+ of_node_put(sdma);
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+ if (err)
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+ return err;
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+
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+ ph = of_get_property(np, "brg", NULL);
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+ brg = of_find_node_by_phandle(*ph);
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+ if (!brg)
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+ return -ENODEV;
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+
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+ err = of_address_to_resource(brg, 0, &r[2]);
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+ of_node_put(brg);
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+ if (err)
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+ return err;
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+
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+ prop = of_get_property(np, "block-index", NULL);
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+ if (!prop)
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+ return -ENODEV;
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+ port_number = *(int *)prop;
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+
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+ memset(&pdata, 0, sizeof(pdata));
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+
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+ pdata.cache_mgmt = 1; /* All current revs need this set */
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+
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+ prop = of_get_property(np, "max_idle", NULL);
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+ if (prop)
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+ pdata.max_idle = *prop;
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+
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+ prop = of_get_property(brg, "current-speed", NULL);
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+ if (prop)
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+ pdata.default_baud = *prop;
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+
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+ /* Default is 8 bits, no parity, no flow control */
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+ pdata.default_bits = 8;
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+ pdata.default_parity = 'n';
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+ pdata.default_flow = 'n';
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+
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+ prop = of_get_property(np, "chr_1", NULL);
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+ if (prop)
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+ pdata.chr_1_val = *prop;
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+
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+ prop = of_get_property(np, "chr_2", NULL);
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+ if (prop)
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+ pdata.chr_2_val = *prop;
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+
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+ prop = of_get_property(np, "chr_10", NULL);
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+ if (prop)
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+ pdata.chr_10_val = *prop;
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+
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+ prop = of_get_property(np, "mpcr", NULL);
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+ if (prop)
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+ pdata.mpcr_val = *prop;
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+
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+ prop = of_get_property(brg, "bcr", NULL);
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+ if (prop)
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+ pdata.bcr_val = *prop;
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+
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+ pdata.brg_can_tune = 1; /* All current revs need this set */
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+
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+ prop = of_get_property(brg, "clock-src", NULL);
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+ if (prop)
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+ pdata.brg_clk_src = *prop;
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+
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+ prop = of_get_property(brg, "clock-frequency", NULL);
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+ if (prop)
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+ pdata.brg_clk_freq = *prop;
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+
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+ pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number);
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+ if (!pdev)
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+ return -ENOMEM;
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+
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+ err = platform_device_add_resources(pdev, r, 5);
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+ if (err)
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+ goto error;
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+
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+ err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
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+ if (err)
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+ goto error;
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+
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+ err = platform_device_add(pdev);
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+ if (err)
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+ goto error;
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+
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+ return 0;
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+
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+error:
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+ platform_device_put(pdev);
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+ return err;
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+}
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+
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+static int __init mv64x60_device_setup(void)
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+{
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+ struct device_node *np = NULL;
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+ int id;
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+ int err;
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+
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+ for (id = 0;
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+ (np = of_find_compatible_node(np, "serial", "marvell,mpsc")); id++)
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+ if ((err = mv64x60_mpsc_device_setup(np, id)))
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+ goto error;
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+
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+ return 0;
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+
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+error:
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+ of_node_put(np);
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+ return err;
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+}
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+arch_initcall(mv64x60_device_setup);
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