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1342 lines
30 KiB
1342 lines
30 KiB
/*
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* FSL SoC setup code
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*
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* Maintained by Kumar Gala (see MAINTAINERS for contact information)
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*
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* 2006 (c) MontaVista Software, Inc.
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* Vitaly Bordug <vbordug@ru.mvista.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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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/errno.h>
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#include <linux/major.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/of_platform.h>
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#include <linux/phy.h>
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#include <linux/spi/spi.h>
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#include <linux/fsl_devices.h>
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#include <linux/fs_enet_pd.h>
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#include <linux/fs_uart_pd.h>
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#include <asm/system.h>
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#include <asm/atomic.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/time.h>
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#include <asm/prom.h>
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#include <sysdev/fsl_soc.h>
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#include <mm/mmu_decl.h>
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#include <asm/cpm2.h>
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extern void init_fcc_ioports(struct fs_platform_info*);
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extern void init_fec_ioports(struct fs_platform_info*);
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extern void init_smc_ioports(struct fs_uart_platform_info*);
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static phys_addr_t immrbase = -1;
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phys_addr_t get_immrbase(void)
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{
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struct device_node *soc;
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if (immrbase != -1)
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return immrbase;
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soc = of_find_node_by_type(NULL, "soc");
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if (soc) {
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int size;
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const void *prop = of_get_property(soc, "reg", &size);
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if (prop)
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immrbase = of_translate_address(soc, prop);
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of_node_put(soc);
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}
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return immrbase;
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}
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EXPORT_SYMBOL(get_immrbase);
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#if defined(CONFIG_CPM2) || defined(CONFIG_8xx)
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static u32 brgfreq = -1;
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u32 get_brgfreq(void)
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{
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struct device_node *node;
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const unsigned int *prop;
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int size;
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if (brgfreq != -1)
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return brgfreq;
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node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
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if (node) {
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prop = of_get_property(node, "clock-frequency", &size);
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if (prop && size == 4)
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brgfreq = *prop;
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of_node_put(node);
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return brgfreq;
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}
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/* Legacy device binding -- will go away when no users are left. */
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node = of_find_node_by_type(NULL, "cpm");
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if (node) {
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prop = of_get_property(node, "brg-frequency", &size);
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if (prop && size == 4)
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brgfreq = *prop;
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of_node_put(node);
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}
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return brgfreq;
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}
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EXPORT_SYMBOL(get_brgfreq);
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static u32 fs_baudrate = -1;
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u32 get_baudrate(void)
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{
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struct device_node *node;
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if (fs_baudrate != -1)
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return fs_baudrate;
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node = of_find_node_by_type(NULL, "serial");
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if (node) {
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int size;
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const unsigned int *prop = of_get_property(node,
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"current-speed", &size);
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if (prop)
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fs_baudrate = *prop;
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of_node_put(node);
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}
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return fs_baudrate;
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}
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EXPORT_SYMBOL(get_baudrate);
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#endif /* CONFIG_CPM2 */
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static int __init gfar_mdio_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *mdio_dev;
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struct resource res;
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int ret;
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
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i++) {
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int k;
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struct device_node *child = NULL;
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struct gianfar_mdio_data mdio_data;
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memset(&res, 0, sizeof(res));
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memset(&mdio_data, 0, sizeof(mdio_data));
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ret = of_address_to_resource(np, 0, &res);
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if (ret)
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goto err;
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mdio_dev =
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platform_device_register_simple("fsl-gianfar_mdio",
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res.start, &res, 1);
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if (IS_ERR(mdio_dev)) {
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ret = PTR_ERR(mdio_dev);
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goto err;
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}
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for (k = 0; k < 32; k++)
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mdio_data.irq[k] = PHY_POLL;
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while ((child = of_get_next_child(np, child)) != NULL) {
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int irq = irq_of_parse_and_map(child, 0);
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if (irq != NO_IRQ) {
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const u32 *id = of_get_property(child,
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"reg", NULL);
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mdio_data.irq[*id] = irq;
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}
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}
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ret =
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platform_device_add_data(mdio_dev, &mdio_data,
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sizeof(struct gianfar_mdio_data));
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if (ret)
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goto unreg;
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}
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return 0;
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unreg:
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platform_device_unregister(mdio_dev);
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err:
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return ret;
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}
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arch_initcall(gfar_mdio_of_init);
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static const char *gfar_tx_intr = "tx";
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static const char *gfar_rx_intr = "rx";
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static const char *gfar_err_intr = "error";
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static int __init gfar_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *gfar_dev;
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struct resource res;
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int ret;
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
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i++) {
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struct resource r[4];
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struct device_node *phy, *mdio;
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struct gianfar_platform_data gfar_data;
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const unsigned int *id;
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const char *model;
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const char *ctype;
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const void *mac_addr;
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const phandle *ph;
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int n_res = 2;
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memset(r, 0, sizeof(r));
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memset(&gfar_data, 0, sizeof(gfar_data));
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ret = of_address_to_resource(np, 0, &r[0]);
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if (ret)
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goto err;
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of_irq_to_resource(np, 0, &r[1]);
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model = of_get_property(np, "model", NULL);
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/* If we aren't the FEC we have multiple interrupts */
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if (model && strcasecmp(model, "FEC")) {
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r[1].name = gfar_tx_intr;
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r[2].name = gfar_rx_intr;
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of_irq_to_resource(np, 1, &r[2]);
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r[3].name = gfar_err_intr;
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of_irq_to_resource(np, 2, &r[3]);
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n_res += 2;
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}
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gfar_dev =
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platform_device_register_simple("fsl-gianfar", i, &r[0],
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n_res);
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if (IS_ERR(gfar_dev)) {
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ret = PTR_ERR(gfar_dev);
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goto err;
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}
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mac_addr = of_get_mac_address(np);
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if (mac_addr)
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memcpy(gfar_data.mac_addr, mac_addr, 6);
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if (model && !strcasecmp(model, "TSEC"))
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gfar_data.device_flags =
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FSL_GIANFAR_DEV_HAS_GIGABIT |
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FSL_GIANFAR_DEV_HAS_COALESCE |
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FSL_GIANFAR_DEV_HAS_RMON |
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FSL_GIANFAR_DEV_HAS_MULTI_INTR;
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if (model && !strcasecmp(model, "eTSEC"))
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gfar_data.device_flags =
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FSL_GIANFAR_DEV_HAS_GIGABIT |
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FSL_GIANFAR_DEV_HAS_COALESCE |
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FSL_GIANFAR_DEV_HAS_RMON |
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FSL_GIANFAR_DEV_HAS_MULTI_INTR |
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FSL_GIANFAR_DEV_HAS_CSUM |
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FSL_GIANFAR_DEV_HAS_VLAN |
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FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
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ctype = of_get_property(np, "phy-connection-type", NULL);
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/* We only care about rgmii-id. The rest are autodetected */
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if (ctype && !strcmp(ctype, "rgmii-id"))
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gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
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else
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gfar_data.interface = PHY_INTERFACE_MODE_MII;
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ph = of_get_property(np, "phy-handle", NULL);
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phy = of_find_node_by_phandle(*ph);
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if (phy == NULL) {
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ret = -ENODEV;
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goto unreg;
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}
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mdio = of_get_parent(phy);
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id = of_get_property(phy, "reg", NULL);
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ret = of_address_to_resource(mdio, 0, &res);
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if (ret) {
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of_node_put(phy);
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of_node_put(mdio);
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goto unreg;
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}
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gfar_data.phy_id = *id;
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gfar_data.bus_id = res.start;
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of_node_put(phy);
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of_node_put(mdio);
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ret =
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platform_device_add_data(gfar_dev, &gfar_data,
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sizeof(struct
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gianfar_platform_data));
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if (ret)
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goto unreg;
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}
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return 0;
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unreg:
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platform_device_unregister(gfar_dev);
|
|
err:
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return ret;
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}
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|
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arch_initcall(gfar_of_init);
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|
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#ifdef CONFIG_I2C_BOARDINFO
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#include <linux/i2c.h>
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struct i2c_driver_device {
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char *of_device;
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char *i2c_driver;
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char *i2c_type;
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};
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static struct i2c_driver_device i2c_devices[] __initdata = {
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{"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
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{"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
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{"ricoh,rv5c386", "rtc-rs5c372", "rv5c386",},
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{"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
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{"dallas,ds1307", "rtc-ds1307", "ds1307",},
|
|
{"dallas,ds1337", "rtc-ds1307", "ds1337",},
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{"dallas,ds1338", "rtc-ds1307", "ds1338",},
|
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{"dallas,ds1339", "rtc-ds1307", "ds1339",},
|
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{"dallas,ds1340", "rtc-ds1307", "ds1340",},
|
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{"stm,m41t00", "rtc-ds1307", "m41t00"},
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{"dallas,ds1374", "rtc-ds1374", "rtc-ds1374",},
|
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};
|
|
|
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static int __init of_find_i2c_driver(struct device_node *node,
|
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struct i2c_board_info *info)
|
|
{
|
|
int i;
|
|
|
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for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
|
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if (!of_device_is_compatible(node, i2c_devices[i].of_device))
|
|
continue;
|
|
if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
|
|
KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
|
|
strlcpy(info->type, i2c_devices[i].i2c_type,
|
|
I2C_NAME_SIZE) >= I2C_NAME_SIZE)
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
return -ENODEV;
|
|
}
|
|
|
|
static void __init of_register_i2c_devices(struct device_node *adap_node,
|
|
int bus_num)
|
|
{
|
|
struct device_node *node = NULL;
|
|
|
|
while ((node = of_get_next_child(adap_node, node))) {
|
|
struct i2c_board_info info = {};
|
|
const u32 *addr;
|
|
int len;
|
|
|
|
addr = of_get_property(node, "reg", &len);
|
|
if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
|
|
printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
|
|
continue;
|
|
}
|
|
|
|
info.irq = irq_of_parse_and_map(node, 0);
|
|
if (info.irq == NO_IRQ)
|
|
info.irq = -1;
|
|
|
|
if (of_find_i2c_driver(node, &info) < 0)
|
|
continue;
|
|
|
|
info.addr = *addr;
|
|
|
|
i2c_register_board_info(bus_num, &info, 1);
|
|
}
|
|
}
|
|
|
|
static int __init fsl_i2c_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *i2c_dev;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
|
|
i++) {
|
|
struct resource r[2];
|
|
struct fsl_i2c_platform_data i2c_data;
|
|
const unsigned char *flags = NULL;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
memset(&i2c_data, 0, sizeof(i2c_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
of_irq_to_resource(np, 0, &r[1]);
|
|
|
|
i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
|
|
if (IS_ERR(i2c_dev)) {
|
|
ret = PTR_ERR(i2c_dev);
|
|
goto err;
|
|
}
|
|
|
|
i2c_data.device_flags = 0;
|
|
flags = of_get_property(np, "dfsrr", NULL);
|
|
if (flags)
|
|
i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
|
|
|
|
flags = of_get_property(np, "fsl5200-clocking", NULL);
|
|
if (flags)
|
|
i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
|
|
|
|
ret =
|
|
platform_device_add_data(i2c_dev, &i2c_data,
|
|
sizeof(struct
|
|
fsl_i2c_platform_data));
|
|
if (ret)
|
|
goto unreg;
|
|
|
|
of_register_i2c_devices(np, i);
|
|
}
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(i2c_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fsl_i2c_of_init);
|
|
#endif
|
|
|
|
#ifdef CONFIG_PPC_83xx
|
|
static int __init mpc83xx_wdt_init(void)
|
|
{
|
|
struct resource r;
|
|
struct device_node *soc, *np;
|
|
struct platform_device *dev;
|
|
const unsigned int *freq;
|
|
int ret;
|
|
|
|
np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
|
|
|
|
if (!np) {
|
|
ret = -ENODEV;
|
|
goto nodev;
|
|
}
|
|
|
|
soc = of_find_node_by_type(NULL, "soc");
|
|
|
|
if (!soc) {
|
|
ret = -ENODEV;
|
|
goto nosoc;
|
|
}
|
|
|
|
freq = of_get_property(soc, "bus-frequency", NULL);
|
|
if (!freq) {
|
|
ret = -ENODEV;
|
|
goto err;
|
|
}
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
|
|
ret = of_address_to_resource(np, 0, &r);
|
|
if (ret)
|
|
goto err;
|
|
|
|
dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
|
|
if (IS_ERR(dev)) {
|
|
ret = PTR_ERR(dev);
|
|
goto err;
|
|
}
|
|
|
|
ret = platform_device_add_data(dev, freq, sizeof(int));
|
|
if (ret)
|
|
goto unreg;
|
|
|
|
of_node_put(soc);
|
|
of_node_put(np);
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(dev);
|
|
err:
|
|
of_node_put(soc);
|
|
nosoc:
|
|
of_node_put(np);
|
|
nodev:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(mpc83xx_wdt_init);
|
|
#endif
|
|
|
|
static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
|
|
{
|
|
if (!phy_type)
|
|
return FSL_USB2_PHY_NONE;
|
|
if (!strcasecmp(phy_type, "ulpi"))
|
|
return FSL_USB2_PHY_ULPI;
|
|
if (!strcasecmp(phy_type, "utmi"))
|
|
return FSL_USB2_PHY_UTMI;
|
|
if (!strcasecmp(phy_type, "utmi_wide"))
|
|
return FSL_USB2_PHY_UTMI_WIDE;
|
|
if (!strcasecmp(phy_type, "serial"))
|
|
return FSL_USB2_PHY_SERIAL;
|
|
|
|
return FSL_USB2_PHY_NONE;
|
|
}
|
|
|
|
static int __init fsl_usb_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
|
|
*usb_dev_dr_client = NULL;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
|
|
i++) {
|
|
struct resource r[2];
|
|
struct fsl_usb2_platform_data usb_data;
|
|
const unsigned char *prop = NULL;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
memset(&usb_data, 0, sizeof(usb_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
of_irq_to_resource(np, 0, &r[1]);
|
|
|
|
usb_dev_mph =
|
|
platform_device_register_simple("fsl-ehci", i, r, 2);
|
|
if (IS_ERR(usb_dev_mph)) {
|
|
ret = PTR_ERR(usb_dev_mph);
|
|
goto err;
|
|
}
|
|
|
|
usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
|
|
usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
|
|
|
|
usb_data.operating_mode = FSL_USB2_MPH_HOST;
|
|
|
|
prop = of_get_property(np, "port0", NULL);
|
|
if (prop)
|
|
usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
|
|
|
|
prop = of_get_property(np, "port1", NULL);
|
|
if (prop)
|
|
usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
|
|
|
|
prop = of_get_property(np, "phy_type", NULL);
|
|
usb_data.phy_mode = determine_usb_phy(prop);
|
|
|
|
ret =
|
|
platform_device_add_data(usb_dev_mph, &usb_data,
|
|
sizeof(struct
|
|
fsl_usb2_platform_data));
|
|
if (ret)
|
|
goto unreg_mph;
|
|
}
|
|
|
|
for (np = NULL;
|
|
(np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
|
|
i++) {
|
|
struct resource r[2];
|
|
struct fsl_usb2_platform_data usb_data;
|
|
const unsigned char *prop = NULL;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
memset(&usb_data, 0, sizeof(usb_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto unreg_mph;
|
|
|
|
of_irq_to_resource(np, 0, &r[1]);
|
|
|
|
prop = of_get_property(np, "dr_mode", NULL);
|
|
|
|
if (!prop || !strcmp(prop, "host")) {
|
|
usb_data.operating_mode = FSL_USB2_DR_HOST;
|
|
usb_dev_dr_host = platform_device_register_simple(
|
|
"fsl-ehci", i, r, 2);
|
|
if (IS_ERR(usb_dev_dr_host)) {
|
|
ret = PTR_ERR(usb_dev_dr_host);
|
|
goto err;
|
|
}
|
|
} else if (prop && !strcmp(prop, "peripheral")) {
|
|
usb_data.operating_mode = FSL_USB2_DR_DEVICE;
|
|
usb_dev_dr_client = platform_device_register_simple(
|
|
"fsl-usb2-udc", i, r, 2);
|
|
if (IS_ERR(usb_dev_dr_client)) {
|
|
ret = PTR_ERR(usb_dev_dr_client);
|
|
goto err;
|
|
}
|
|
} else if (prop && !strcmp(prop, "otg")) {
|
|
usb_data.operating_mode = FSL_USB2_DR_OTG;
|
|
usb_dev_dr_host = platform_device_register_simple(
|
|
"fsl-ehci", i, r, 2);
|
|
if (IS_ERR(usb_dev_dr_host)) {
|
|
ret = PTR_ERR(usb_dev_dr_host);
|
|
goto err;
|
|
}
|
|
usb_dev_dr_client = platform_device_register_simple(
|
|
"fsl-usb2-udc", i, r, 2);
|
|
if (IS_ERR(usb_dev_dr_client)) {
|
|
ret = PTR_ERR(usb_dev_dr_client);
|
|
goto err;
|
|
}
|
|
} else {
|
|
ret = -EINVAL;
|
|
goto err;
|
|
}
|
|
|
|
prop = of_get_property(np, "phy_type", NULL);
|
|
usb_data.phy_mode = determine_usb_phy(prop);
|
|
|
|
if (usb_dev_dr_host) {
|
|
usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
|
|
usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
|
|
dev.coherent_dma_mask;
|
|
if ((ret = platform_device_add_data(usb_dev_dr_host,
|
|
&usb_data, sizeof(struct
|
|
fsl_usb2_platform_data))))
|
|
goto unreg_dr;
|
|
}
|
|
if (usb_dev_dr_client) {
|
|
usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
|
|
usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
|
|
dev.coherent_dma_mask;
|
|
if ((ret = platform_device_add_data(usb_dev_dr_client,
|
|
&usb_data, sizeof(struct
|
|
fsl_usb2_platform_data))))
|
|
goto unreg_dr;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
unreg_dr:
|
|
if (usb_dev_dr_host)
|
|
platform_device_unregister(usb_dev_dr_host);
|
|
if (usb_dev_dr_client)
|
|
platform_device_unregister(usb_dev_dr_client);
|
|
unreg_mph:
|
|
if (usb_dev_mph)
|
|
platform_device_unregister(usb_dev_mph);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fsl_usb_of_init);
|
|
|
|
#ifndef CONFIG_PPC_CPM_NEW_BINDING
|
|
#ifdef CONFIG_CPM2
|
|
|
|
extern void init_scc_ioports(struct fs_uart_platform_info*);
|
|
|
|
static const char fcc_regs[] = "fcc_regs";
|
|
static const char fcc_regs_c[] = "fcc_regs_c";
|
|
static const char fcc_pram[] = "fcc_pram";
|
|
static char bus_id[9][BUS_ID_SIZE];
|
|
|
|
static int __init fs_enet_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *fs_enet_dev;
|
|
struct resource res;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
|
|
i++) {
|
|
struct resource r[4];
|
|
struct device_node *phy, *mdio;
|
|
struct fs_platform_info fs_enet_data;
|
|
const unsigned int *id, *phy_addr, *phy_irq;
|
|
const void *mac_addr;
|
|
const phandle *ph;
|
|
const char *model;
|
|
|
|
memset(r, 0, sizeof(r));
|
|
memset(&fs_enet_data, 0, sizeof(fs_enet_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
r[0].name = fcc_regs;
|
|
|
|
ret = of_address_to_resource(np, 1, &r[1]);
|
|
if (ret)
|
|
goto err;
|
|
r[1].name = fcc_pram;
|
|
|
|
ret = of_address_to_resource(np, 2, &r[2]);
|
|
if (ret)
|
|
goto err;
|
|
r[2].name = fcc_regs_c;
|
|
fs_enet_data.fcc_regs_c = r[2].start;
|
|
|
|
of_irq_to_resource(np, 0, &r[3]);
|
|
|
|
fs_enet_dev =
|
|
platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
|
|
|
|
if (IS_ERR(fs_enet_dev)) {
|
|
ret = PTR_ERR(fs_enet_dev);
|
|
goto err;
|
|
}
|
|
|
|
model = of_get_property(np, "model", NULL);
|
|
if (model == NULL) {
|
|
ret = -ENODEV;
|
|
goto unreg;
|
|
}
|
|
|
|
mac_addr = of_get_mac_address(np);
|
|
if (mac_addr)
|
|
memcpy(fs_enet_data.macaddr, mac_addr, 6);
|
|
|
|
ph = of_get_property(np, "phy-handle", NULL);
|
|
phy = of_find_node_by_phandle(*ph);
|
|
|
|
if (phy == NULL) {
|
|
ret = -ENODEV;
|
|
goto unreg;
|
|
}
|
|
|
|
phy_addr = of_get_property(phy, "reg", NULL);
|
|
fs_enet_data.phy_addr = *phy_addr;
|
|
|
|
phy_irq = of_get_property(phy, "interrupts", NULL);
|
|
|
|
id = of_get_property(np, "device-id", NULL);
|
|
fs_enet_data.fs_no = *id;
|
|
strcpy(fs_enet_data.fs_type, model);
|
|
|
|
mdio = of_get_parent(phy);
|
|
ret = of_address_to_resource(mdio, 0, &res);
|
|
if (ret) {
|
|
of_node_put(phy);
|
|
of_node_put(mdio);
|
|
goto unreg;
|
|
}
|
|
|
|
fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
|
|
"rx-clock", NULL));
|
|
fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
|
|
"tx-clock", NULL));
|
|
|
|
if (strstr(model, "FCC")) {
|
|
int fcc_index = *id - 1;
|
|
const unsigned char *mdio_bb_prop;
|
|
|
|
fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
|
|
fs_enet_data.rx_ring = 32;
|
|
fs_enet_data.tx_ring = 32;
|
|
fs_enet_data.rx_copybreak = 240;
|
|
fs_enet_data.use_napi = 0;
|
|
fs_enet_data.napi_weight = 17;
|
|
fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
|
|
fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
|
|
fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
|
|
|
|
snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
|
|
(u32)res.start, fs_enet_data.phy_addr);
|
|
fs_enet_data.bus_id = (char*)&bus_id[(*id)];
|
|
fs_enet_data.init_ioports = init_fcc_ioports;
|
|
|
|
mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
|
|
if (mdio_bb_prop) {
|
|
struct platform_device *fs_enet_mdio_bb_dev;
|
|
struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
|
|
|
|
fs_enet_mdio_bb_dev =
|
|
platform_device_register_simple("fsl-bb-mdio",
|
|
i, NULL, 0);
|
|
memset(&fs_enet_mdio_bb_data, 0,
|
|
sizeof(struct fs_mii_bb_platform_info));
|
|
fs_enet_mdio_bb_data.mdio_dat.bit =
|
|
mdio_bb_prop[0];
|
|
fs_enet_mdio_bb_data.mdio_dir.bit =
|
|
mdio_bb_prop[1];
|
|
fs_enet_mdio_bb_data.mdc_dat.bit =
|
|
mdio_bb_prop[2];
|
|
fs_enet_mdio_bb_data.mdio_port =
|
|
mdio_bb_prop[3];
|
|
fs_enet_mdio_bb_data.mdc_port =
|
|
mdio_bb_prop[4];
|
|
fs_enet_mdio_bb_data.delay =
|
|
mdio_bb_prop[5];
|
|
|
|
fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
|
|
fs_enet_mdio_bb_data.irq[1] = -1;
|
|
fs_enet_mdio_bb_data.irq[2] = -1;
|
|
fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
|
|
fs_enet_mdio_bb_data.irq[31] = -1;
|
|
|
|
fs_enet_mdio_bb_data.mdio_dat.offset =
|
|
(u32)&cpm2_immr->im_ioport.iop_pdatc;
|
|
fs_enet_mdio_bb_data.mdio_dir.offset =
|
|
(u32)&cpm2_immr->im_ioport.iop_pdirc;
|
|
fs_enet_mdio_bb_data.mdc_dat.offset =
|
|
(u32)&cpm2_immr->im_ioport.iop_pdatc;
|
|
|
|
ret = platform_device_add_data(
|
|
fs_enet_mdio_bb_dev,
|
|
&fs_enet_mdio_bb_data,
|
|
sizeof(struct fs_mii_bb_platform_info));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
|
|
of_node_put(phy);
|
|
of_node_put(mdio);
|
|
|
|
ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
|
|
sizeof(struct
|
|
fs_platform_info));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(fs_enet_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fs_enet_of_init);
|
|
|
|
static const char scc_regs[] = "regs";
|
|
static const char scc_pram[] = "pram";
|
|
|
|
static int __init cpm_uart_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *cpm_uart_dev;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
|
|
i++) {
|
|
struct resource r[3];
|
|
struct fs_uart_platform_info cpm_uart_data;
|
|
const int *id;
|
|
const char *model;
|
|
|
|
memset(r, 0, sizeof(r));
|
|
memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
r[0].name = scc_regs;
|
|
|
|
ret = of_address_to_resource(np, 1, &r[1]);
|
|
if (ret)
|
|
goto err;
|
|
r[1].name = scc_pram;
|
|
|
|
of_irq_to_resource(np, 0, &r[2]);
|
|
|
|
cpm_uart_dev =
|
|
platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
|
|
|
|
if (IS_ERR(cpm_uart_dev)) {
|
|
ret = PTR_ERR(cpm_uart_dev);
|
|
goto err;
|
|
}
|
|
|
|
id = of_get_property(np, "device-id", NULL);
|
|
cpm_uart_data.fs_no = *id;
|
|
|
|
model = of_get_property(np, "model", NULL);
|
|
strcpy(cpm_uart_data.fs_type, model);
|
|
|
|
cpm_uart_data.uart_clk = ppc_proc_freq;
|
|
|
|
cpm_uart_data.tx_num_fifo = 4;
|
|
cpm_uart_data.tx_buf_size = 32;
|
|
cpm_uart_data.rx_num_fifo = 4;
|
|
cpm_uart_data.rx_buf_size = 32;
|
|
cpm_uart_data.clk_rx = *((u32 *)of_get_property(np,
|
|
"rx-clock", NULL));
|
|
cpm_uart_data.clk_tx = *((u32 *)of_get_property(np,
|
|
"tx-clock", NULL));
|
|
|
|
ret =
|
|
platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
|
|
sizeof(struct
|
|
fs_uart_platform_info));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(cpm_uart_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(cpm_uart_of_init);
|
|
#endif /* CONFIG_CPM2 */
|
|
|
|
#ifdef CONFIG_8xx
|
|
|
|
extern void init_scc_ioports(struct fs_platform_info*);
|
|
extern int platform_device_skip(const char *model, int id);
|
|
|
|
static int __init fs_enet_mdio_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *mdio_dev;
|
|
struct resource res;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "mdio", "fs_enet")) != NULL;
|
|
i++) {
|
|
struct fs_mii_fec_platform_info mdio_data;
|
|
|
|
memset(&res, 0, sizeof(res));
|
|
memset(&mdio_data, 0, sizeof(mdio_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &res);
|
|
if (ret)
|
|
goto err;
|
|
|
|
mdio_dev =
|
|
platform_device_register_simple("fsl-cpm-fec-mdio",
|
|
res.start, &res, 1);
|
|
if (IS_ERR(mdio_dev)) {
|
|
ret = PTR_ERR(mdio_dev);
|
|
goto err;
|
|
}
|
|
|
|
mdio_data.mii_speed = ((((ppc_proc_freq + 4999999) / 2500000) / 2) & 0x3F) << 1;
|
|
|
|
ret =
|
|
platform_device_add_data(mdio_dev, &mdio_data,
|
|
sizeof(struct fs_mii_fec_platform_info));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(mdio_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fs_enet_mdio_of_init);
|
|
|
|
static const char *enet_regs = "regs";
|
|
static const char *enet_pram = "pram";
|
|
static const char *enet_irq = "interrupt";
|
|
static char bus_id[9][BUS_ID_SIZE];
|
|
|
|
static int __init fs_enet_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *fs_enet_dev = NULL;
|
|
struct resource res;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
|
|
i++) {
|
|
struct resource r[4];
|
|
struct device_node *phy = NULL, *mdio = NULL;
|
|
struct fs_platform_info fs_enet_data;
|
|
const unsigned int *id;
|
|
const unsigned int *phy_addr;
|
|
const void *mac_addr;
|
|
const phandle *ph;
|
|
const char *model;
|
|
|
|
memset(r, 0, sizeof(r));
|
|
memset(&fs_enet_data, 0, sizeof(fs_enet_data));
|
|
|
|
model = of_get_property(np, "model", NULL);
|
|
if (model == NULL) {
|
|
ret = -ENODEV;
|
|
goto unreg;
|
|
}
|
|
|
|
id = of_get_property(np, "device-id", NULL);
|
|
fs_enet_data.fs_no = *id;
|
|
|
|
if (platform_device_skip(model, *id))
|
|
continue;
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
r[0].name = enet_regs;
|
|
|
|
mac_addr = of_get_mac_address(np);
|
|
if (mac_addr)
|
|
memcpy(fs_enet_data.macaddr, mac_addr, 6);
|
|
|
|
ph = of_get_property(np, "phy-handle", NULL);
|
|
if (ph != NULL)
|
|
phy = of_find_node_by_phandle(*ph);
|
|
|
|
if (phy != NULL) {
|
|
phy_addr = of_get_property(phy, "reg", NULL);
|
|
fs_enet_data.phy_addr = *phy_addr;
|
|
fs_enet_data.has_phy = 1;
|
|
|
|
mdio = of_get_parent(phy);
|
|
ret = of_address_to_resource(mdio, 0, &res);
|
|
if (ret) {
|
|
of_node_put(phy);
|
|
of_node_put(mdio);
|
|
goto unreg;
|
|
}
|
|
}
|
|
|
|
model = of_get_property(np, "model", NULL);
|
|
strcpy(fs_enet_data.fs_type, model);
|
|
|
|
if (strstr(model, "FEC")) {
|
|
r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
|
|
r[1].flags = IORESOURCE_IRQ;
|
|
r[1].name = enet_irq;
|
|
|
|
fs_enet_dev =
|
|
platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);
|
|
|
|
if (IS_ERR(fs_enet_dev)) {
|
|
ret = PTR_ERR(fs_enet_dev);
|
|
goto err;
|
|
}
|
|
|
|
fs_enet_data.rx_ring = 128;
|
|
fs_enet_data.tx_ring = 16;
|
|
fs_enet_data.rx_copybreak = 240;
|
|
fs_enet_data.use_napi = 1;
|
|
fs_enet_data.napi_weight = 17;
|
|
|
|
snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
|
|
(u32)res.start, fs_enet_data.phy_addr);
|
|
fs_enet_data.bus_id = (char*)&bus_id[i];
|
|
fs_enet_data.init_ioports = init_fec_ioports;
|
|
}
|
|
if (strstr(model, "SCC")) {
|
|
ret = of_address_to_resource(np, 1, &r[1]);
|
|
if (ret)
|
|
goto err;
|
|
r[1].name = enet_pram;
|
|
|
|
r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
|
|
r[2].flags = IORESOURCE_IRQ;
|
|
r[2].name = enet_irq;
|
|
|
|
fs_enet_dev =
|
|
platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);
|
|
|
|
if (IS_ERR(fs_enet_dev)) {
|
|
ret = PTR_ERR(fs_enet_dev);
|
|
goto err;
|
|
}
|
|
|
|
fs_enet_data.rx_ring = 64;
|
|
fs_enet_data.tx_ring = 8;
|
|
fs_enet_data.rx_copybreak = 240;
|
|
fs_enet_data.use_napi = 1;
|
|
fs_enet_data.napi_weight = 17;
|
|
|
|
snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
|
|
fs_enet_data.bus_id = (char*)&bus_id[i];
|
|
fs_enet_data.init_ioports = init_scc_ioports;
|
|
}
|
|
|
|
of_node_put(phy);
|
|
of_node_put(mdio);
|
|
|
|
ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
|
|
sizeof(struct
|
|
fs_platform_info));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(fs_enet_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fs_enet_of_init);
|
|
|
|
static int __init fsl_pcmcia_of_init(void)
|
|
{
|
|
struct device_node *np = NULL;
|
|
/*
|
|
* Register all the devices which type is "pcmcia"
|
|
*/
|
|
while ((np = of_find_compatible_node(np,
|
|
"pcmcia", "fsl,pq-pcmcia")) != NULL)
|
|
of_platform_device_create(np, "m8xx-pcmcia", NULL);
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(fsl_pcmcia_of_init);
|
|
|
|
static const char *smc_regs = "regs";
|
|
static const char *smc_pram = "pram";
|
|
|
|
static int __init cpm_smc_uart_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *cpm_uart_dev;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
|
|
i++) {
|
|
struct resource r[3];
|
|
struct fs_uart_platform_info cpm_uart_data;
|
|
const int *id;
|
|
const char *model;
|
|
|
|
memset(r, 0, sizeof(r));
|
|
memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
r[0].name = smc_regs;
|
|
|
|
ret = of_address_to_resource(np, 1, &r[1]);
|
|
if (ret)
|
|
goto err;
|
|
r[1].name = smc_pram;
|
|
|
|
r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
|
|
r[2].flags = IORESOURCE_IRQ;
|
|
|
|
cpm_uart_dev =
|
|
platform_device_register_simple("fsl-cpm-smc:uart", i, &r[0], 3);
|
|
|
|
if (IS_ERR(cpm_uart_dev)) {
|
|
ret = PTR_ERR(cpm_uart_dev);
|
|
goto err;
|
|
}
|
|
|
|
model = of_get_property(np, "model", NULL);
|
|
strcpy(cpm_uart_data.fs_type, model);
|
|
|
|
id = of_get_property(np, "device-id", NULL);
|
|
cpm_uart_data.fs_no = *id;
|
|
cpm_uart_data.uart_clk = ppc_proc_freq;
|
|
|
|
cpm_uart_data.tx_num_fifo = 4;
|
|
cpm_uart_data.tx_buf_size = 32;
|
|
cpm_uart_data.rx_num_fifo = 4;
|
|
cpm_uart_data.rx_buf_size = 32;
|
|
|
|
ret =
|
|
platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
|
|
sizeof(struct
|
|
fs_uart_platform_info));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(cpm_uart_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(cpm_smc_uart_of_init);
|
|
|
|
#endif /* CONFIG_8xx */
|
|
#endif /* CONFIG_PPC_CPM_NEW_BINDING */
|
|
|
|
int __init fsl_spi_init(struct spi_board_info *board_infos,
|
|
unsigned int num_board_infos,
|
|
void (*activate_cs)(u8 cs, u8 polarity),
|
|
void (*deactivate_cs)(u8 cs, u8 polarity))
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
const u32 *sysclk;
|
|
|
|
/* SPI controller is either clocked from QE or SoC clock */
|
|
np = of_find_node_by_type(NULL, "qe");
|
|
if (!np)
|
|
np = of_find_node_by_type(NULL, "soc");
|
|
|
|
if (!np)
|
|
return -ENODEV;
|
|
|
|
sysclk = of_get_property(np, "bus-frequency", NULL);
|
|
if (!sysclk)
|
|
return -ENODEV;
|
|
|
|
for (np = NULL, i = 1;
|
|
(np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
|
|
i++) {
|
|
int ret = 0;
|
|
unsigned int j;
|
|
const void *prop;
|
|
struct resource res[2];
|
|
struct platform_device *pdev;
|
|
struct fsl_spi_platform_data pdata = {
|
|
.activate_cs = activate_cs,
|
|
.deactivate_cs = deactivate_cs,
|
|
};
|
|
|
|
memset(res, 0, sizeof(res));
|
|
|
|
pdata.sysclk = *sysclk;
|
|
|
|
prop = of_get_property(np, "reg", NULL);
|
|
if (!prop)
|
|
goto err;
|
|
pdata.bus_num = *(u32 *)prop;
|
|
|
|
prop = of_get_property(np, "mode", NULL);
|
|
if (prop && !strcmp(prop, "cpu-qe"))
|
|
pdata.qe_mode = 1;
|
|
|
|
for (j = 0; j < num_board_infos; j++) {
|
|
if (board_infos[j].bus_num == pdata.bus_num)
|
|
pdata.max_chipselect++;
|
|
}
|
|
|
|
if (!pdata.max_chipselect)
|
|
goto err;
|
|
|
|
ret = of_address_to_resource(np, 0, &res[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
ret = of_irq_to_resource(np, 0, &res[1]);
|
|
if (ret == NO_IRQ)
|
|
goto err;
|
|
|
|
pdev = platform_device_alloc("mpc83xx_spi", i);
|
|
if (!pdev)
|
|
goto err;
|
|
|
|
ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
|
|
if (ret)
|
|
goto unreg;
|
|
|
|
ret = platform_device_add_resources(pdev, res,
|
|
ARRAY_SIZE(res));
|
|
if (ret)
|
|
goto unreg;
|
|
|
|
ret = platform_device_register(pdev);
|
|
if (ret)
|
|
goto unreg;
|
|
|
|
continue;
|
|
unreg:
|
|
platform_device_del(pdev);
|
|
err:
|
|
continue;
|
|
}
|
|
|
|
return spi_register_board_info(board_infos, num_board_infos);
|
|
}
|
|
|
|
#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
|
|
static __be32 __iomem *rstcr;
|
|
|
|
static int __init setup_rstcr(void)
|
|
{
|
|
struct device_node *np;
|
|
np = of_find_node_by_name(NULL, "global-utilities");
|
|
if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
|
|
const u32 *prop = of_get_property(np, "reg", NULL);
|
|
if (prop) {
|
|
/* map reset control register
|
|
* 0xE00B0 is offset of reset control register
|
|
*/
|
|
rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
|
|
if (!rstcr)
|
|
printk (KERN_EMERG "Error: reset control "
|
|
"register not mapped!\n");
|
|
}
|
|
} else
|
|
printk (KERN_INFO "rstcr compatible register does not exist!\n");
|
|
if (np)
|
|
of_node_put(np);
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(setup_rstcr);
|
|
|
|
void fsl_rstcr_restart(char *cmd)
|
|
{
|
|
local_irq_disable();
|
|
if (rstcr)
|
|
/* set reset control register */
|
|
out_be32(rstcr, 0x2); /* HRESET_REQ */
|
|
|
|
while (1) ;
|
|
}
|
|
#endif
|
|
|