2007-05-11 18:55:53 -06:00
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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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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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2007-06-06 18:38:00 -06:00
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#include <linux/console.h>
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2007-05-11 18:55:53 -06:00
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#include <linux/mv643xx.h>
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#include <linux/platform_device.h>
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2008-04-30 18:40:44 -06:00
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#include <linux/of_platform.h>
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2010-02-02 22:08:17 -07:00
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#include <linux/dma-mapping.h>
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2007-05-11 18:55:53 -06:00
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#include <asm/prom.h>
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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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2008-04-30 18:40:44 -06:00
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static struct of_device_id __initdata of_mv64x60_devices[] = {
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{ .compatible = "marvell,mv64306-devctrl", },
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{}
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};
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2007-05-11 18:55:53 -06:00
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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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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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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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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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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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memset(&pdata, 0, sizeof(pdata));
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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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err = platform_device_add_resources(pdev, r, 2);
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if (err)
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goto error;
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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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err = platform_device_add(pdev);
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if (err)
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goto error;
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return 0;
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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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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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/* 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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memset(r, 0, sizeof(r));
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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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of_irq_to_resource(np, 0, &r[4]);
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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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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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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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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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2008-04-07 16:10:34 -06:00
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prop = of_get_property(np, "cell-index", NULL);
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2007-05-11 18:55:53 -06:00
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if (!prop)
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return -ENODEV;
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port_number = *(int *)prop;
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memset(&pdata, 0, sizeof(pdata));
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pdata.cache_mgmt = 1; /* All current revs need this set */
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2008-04-07 16:10:34 -06:00
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pdata.max_idle = 40; /* default */
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2007-05-11 18:55:53 -06:00
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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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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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/* 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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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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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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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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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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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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pdata.brg_can_tune = 1; /* All current revs need this set */
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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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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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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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2010-02-02 22:08:17 -07:00
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pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
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2007-05-11 18:55:53 -06:00
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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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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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err = platform_device_add(pdev);
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if (err)
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goto error;
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return 0;
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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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2007-05-11 18:56:24 -06:00
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/*
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* Create mv64x60_eth platform devices
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*/
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2008-04-07 16:11:27 -06:00
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static struct platform_device * __init mv64x60_eth_register_shared_pdev(
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struct device_node *np, int id)
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2007-05-11 18:56:24 -06:00
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{
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struct platform_device *pdev;
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struct resource r[1];
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int err;
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err = of_address_to_resource(np, 0, &r[0]);
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if (err)
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2008-04-07 16:11:27 -06:00
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return ERR_PTR(err);
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2007-05-11 18:56:24 -06:00
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2008-04-07 16:11:27 -06:00
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pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, id,
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2007-05-11 18:56:24 -06:00
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r, 1);
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2008-04-07 16:11:27 -06:00
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return pdev;
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2007-05-11 18:56:24 -06:00
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}
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2008-04-07 16:11:27 -06:00
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static int __init mv64x60_eth_device_setup(struct device_node *np, int id,
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struct platform_device *shared_pdev)
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2007-05-11 18:56:24 -06:00
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{
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struct resource r[1];
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struct mv643xx_eth_platform_data pdata;
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struct platform_device *pdev;
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struct device_node *phy;
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const u8 *mac_addr;
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const int *prop;
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const phandle *ph;
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int err;
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memset(r, 0, sizeof(r));
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of_irq_to_resource(np, 0, &r[0]);
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memset(&pdata, 0, sizeof(pdata));
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2008-04-23 17:27:02 -06:00
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pdata.shared = shared_pdev;
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2008-04-07 16:11:27 -06:00
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prop = of_get_property(np, "reg", NULL);
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2007-05-11 18:56:24 -06:00
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if (!prop)
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return -ENODEV;
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pdata.port_number = *prop;
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mac_addr = of_get_mac_address(np);
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if (mac_addr)
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memcpy(pdata.mac_addr, mac_addr, 6);
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prop = of_get_property(np, "speed", NULL);
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if (prop)
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pdata.speed = *prop;
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prop = of_get_property(np, "tx_queue_size", NULL);
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if (prop)
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pdata.tx_queue_size = *prop;
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prop = of_get_property(np, "rx_queue_size", NULL);
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if (prop)
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pdata.rx_queue_size = *prop;
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prop = of_get_property(np, "tx_sram_addr", NULL);
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if (prop)
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pdata.tx_sram_addr = *prop;
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prop = of_get_property(np, "tx_sram_size", NULL);
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if (prop)
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pdata.tx_sram_size = *prop;
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prop = of_get_property(np, "rx_sram_addr", NULL);
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if (prop)
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pdata.rx_sram_addr = *prop;
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prop = of_get_property(np, "rx_sram_size", NULL);
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if (prop)
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pdata.rx_sram_size = *prop;
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ph = of_get_property(np, "phy", NULL);
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if (!ph)
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return -ENODEV;
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phy = of_find_node_by_phandle(*ph);
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if (phy == NULL)
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return -ENODEV;
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prop = of_get_property(phy, "reg", NULL);
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2008-08-26 06:06:47 -06:00
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if (prop)
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pdata.phy_addr = MV643XX_ETH_PHY_ADDR(*prop);
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2007-05-11 18:56:24 -06:00
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of_node_put(phy);
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2008-04-07 16:11:27 -06:00
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pdev = platform_device_alloc(MV643XX_ETH_NAME, id);
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2007-05-11 18:56:24 -06:00
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if (!pdev)
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return -ENOMEM;
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|
2010-02-02 22:08:17 -07:00
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pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
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2007-05-11 18:56:24 -06:00
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err = platform_device_add_resources(pdev, r, 1);
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if (err)
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goto error;
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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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err = platform_device_add(pdev);
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if (err)
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goto error;
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return 0;
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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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2007-05-11 18:56:47 -06:00
|
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/*
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* Create mv64x60_i2c platform devices
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*/
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static int __init mv64x60_i2c_device_setup(struct device_node *np, int id)
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{
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struct resource r[2];
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struct platform_device *pdev;
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struct mv64xxx_i2c_pdata pdata;
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const unsigned int *prop;
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int err;
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memset(r, 0, sizeof(r));
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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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of_irq_to_resource(np, 0, &r[1]);
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memset(&pdata, 0, sizeof(pdata));
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|
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|
2008-04-07 16:10:34 -06:00
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pdata.freq_m = 8; /* default */
|
2007-05-11 18:56:47 -06:00
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prop = of_get_property(np, "freq_m", NULL);
|
2008-04-21 11:36:48 -06:00
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if (prop)
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pdata.freq_m = *prop;
|
2007-05-11 18:56:47 -06:00
|
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|
2008-04-07 16:10:34 -06:00
|
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pdata.freq_m = 3; /* default */
|
2007-05-11 18:56:47 -06:00
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prop = of_get_property(np, "freq_n", NULL);
|
2008-04-21 11:36:48 -06:00
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if (prop)
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pdata.freq_n = *prop;
|
2007-05-11 18:56:47 -06:00
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|
|
2008-04-07 16:10:34 -06:00
|
|
|
pdata.timeout = 1000; /* default: 1 second */
|
2007-05-11 18:56:47 -06:00
|
|
|
|
|
|
|
pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id);
|
|
|
|
if (!pdev)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
err = platform_device_add_resources(pdev, r, 2);
|
|
|
|
if (err)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
|
|
|
|
if (err)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
err = platform_device_add(pdev);
|
|
|
|
if (err)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
error:
|
|
|
|
platform_device_put(pdev);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2007-07-24 12:12:24 -06:00
|
|
|
/*
|
|
|
|
* Create mv64x60_wdt platform devices
|
|
|
|
*/
|
|
|
|
static int __init mv64x60_wdt_device_setup(struct device_node *np, int id)
|
|
|
|
{
|
|
|
|
struct resource r;
|
|
|
|
struct platform_device *pdev;
|
|
|
|
struct mv64x60_wdt_pdata pdata;
|
|
|
|
const unsigned int *prop;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = of_address_to_resource(np, 0, &r);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
memset(&pdata, 0, sizeof(pdata));
|
|
|
|
|
2008-04-07 16:10:34 -06:00
|
|
|
pdata.timeout = 10; /* Default: 10 seconds */
|
2007-07-24 12:12:24 -06:00
|
|
|
|
|
|
|
np = of_get_parent(np);
|
|
|
|
if (!np)
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
prop = of_get_property(np, "clock-frequency", NULL);
|
|
|
|
of_node_put(np);
|
|
|
|
if (!prop)
|
|
|
|
return -ENODEV;
|
|
|
|
pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */
|
|
|
|
|
|
|
|
pdev = platform_device_alloc(MV64x60_WDT_NAME, id);
|
|
|
|
if (!pdev)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
err = platform_device_add_resources(pdev, &r, 1);
|
|
|
|
if (err)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
|
|
|
|
if (err)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
err = platform_device_add(pdev);
|
|
|
|
if (err)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
error:
|
|
|
|
platform_device_put(pdev);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2007-05-11 18:55:53 -06:00
|
|
|
static int __init mv64x60_device_setup(void)
|
|
|
|
{
|
2008-04-07 16:11:27 -06:00
|
|
|
struct device_node *np, *np2;
|
|
|
|
struct platform_device *pdev;
|
|
|
|
int id, id2;
|
2007-05-11 18:55:53 -06:00
|
|
|
int err;
|
|
|
|
|
2007-11-29 12:44:36 -07:00
|
|
|
id = 0;
|
2008-04-21 12:46:12 -06:00
|
|
|
for_each_compatible_node(np, "serial", "marvell,mv64360-mpsc") {
|
|
|
|
err = mv64x60_mpsc_device_setup(np, id++);
|
|
|
|
if (err)
|
|
|
|
printk(KERN_ERR "Failed to initialize MV64x60 "
|
|
|
|
"serial device %s: error %d.\n",
|
|
|
|
np->full_name, err);
|
|
|
|
}
|
2007-05-11 18:55:53 -06:00
|
|
|
|
2007-11-29 12:44:36 -07:00
|
|
|
id = 0;
|
2008-04-07 16:11:27 -06:00
|
|
|
id2 = 0;
|
|
|
|
for_each_compatible_node(np, NULL, "marvell,mv64360-eth-group") {
|
|
|
|
pdev = mv64x60_eth_register_shared_pdev(np, id++);
|
|
|
|
if (IS_ERR(pdev)) {
|
|
|
|
err = PTR_ERR(pdev);
|
2008-04-21 12:46:12 -06:00
|
|
|
printk(KERN_ERR "Failed to initialize MV64x60 "
|
|
|
|
"network block %s: error %d.\n",
|
|
|
|
np->full_name, err);
|
|
|
|
continue;
|
2008-04-07 16:11:27 -06:00
|
|
|
}
|
|
|
|
for_each_child_of_node(np, np2) {
|
|
|
|
if (!of_device_is_compatible(np2,
|
|
|
|
"marvell,mv64360-eth"))
|
|
|
|
continue;
|
|
|
|
err = mv64x60_eth_device_setup(np2, id2++, pdev);
|
2008-04-21 12:46:12 -06:00
|
|
|
if (err)
|
|
|
|
printk(KERN_ERR "Failed to initialize "
|
|
|
|
"MV64x60 network device %s: "
|
|
|
|
"error %d.\n",
|
|
|
|
np2->full_name, err);
|
2008-04-07 16:11:27 -06:00
|
|
|
}
|
|
|
|
}
|
2007-05-11 18:56:24 -06:00
|
|
|
|
2007-11-29 12:44:36 -07:00
|
|
|
id = 0;
|
2008-04-21 12:46:12 -06:00
|
|
|
for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c") {
|
|
|
|
err = mv64x60_i2c_device_setup(np, id++);
|
|
|
|
if (err)
|
|
|
|
printk(KERN_ERR "Failed to initialize MV64x60 I2C "
|
|
|
|
"bus %s: error %d.\n",
|
|
|
|
np->full_name, err);
|
|
|
|
}
|
2007-05-11 18:56:47 -06:00
|
|
|
|
2007-07-24 12:12:24 -06:00
|
|
|
/* support up to one watchdog timer */
|
2008-04-07 16:09:03 -06:00
|
|
|
np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt");
|
2007-07-24 12:12:24 -06:00
|
|
|
if (np) {
|
|
|
|
if ((err = mv64x60_wdt_device_setup(np, id)))
|
2008-04-21 12:46:12 -06:00
|
|
|
printk(KERN_ERR "Failed to initialize MV64x60 "
|
|
|
|
"Watchdog %s: error %d.\n",
|
|
|
|
np->full_name, err);
|
2007-07-24 12:12:24 -06:00
|
|
|
of_node_put(np);
|
|
|
|
}
|
|
|
|
|
2008-04-30 18:40:44 -06:00
|
|
|
/* Now add every node that is on the device bus */
|
|
|
|
for_each_compatible_node(np, NULL, "marvell,mv64360")
|
|
|
|
of_platform_bus_probe(np, of_mv64x60_devices, NULL);
|
|
|
|
|
2007-05-11 18:55:53 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
arch_initcall(mv64x60_device_setup);
|
2007-06-06 18:38:00 -06:00
|
|
|
|
|
|
|
static int __init mv64x60_add_mpsc_console(void)
|
|
|
|
{
|
|
|
|
struct device_node *np = NULL;
|
|
|
|
const char *prop;
|
|
|
|
|
|
|
|
prop = of_get_property(of_chosen, "linux,stdout-path", NULL);
|
|
|
|
if (prop == NULL)
|
|
|
|
goto not_mpsc;
|
|
|
|
|
|
|
|
np = of_find_node_by_path(prop);
|
|
|
|
if (!np)
|
|
|
|
goto not_mpsc;
|
|
|
|
|
2008-04-07 16:09:03 -06:00
|
|
|
if (!of_device_is_compatible(np, "marvell,mv64360-mpsc"))
|
2007-06-06 18:38:00 -06:00
|
|
|
goto not_mpsc;
|
|
|
|
|
2008-04-07 16:10:34 -06:00
|
|
|
prop = of_get_property(np, "cell-index", NULL);
|
2007-06-06 18:38:00 -06:00
|
|
|
if (!prop)
|
|
|
|
goto not_mpsc;
|
|
|
|
|
|
|
|
add_preferred_console("ttyMM", *(int *)prop, NULL);
|
|
|
|
|
|
|
|
not_mpsc:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
console_initcall(mv64x60_add_mpsc_console);
|