Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
[linux-2.6.git] / arch / powerpc / sysdev / fsl_soc.c
index 064c9de..5c1b246 100644 (file)
@@ -3,13 +3,15 @@
  *
  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
  *
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
+#include <linux/of_platform.h>
+#include <linux/phy.h>
+#include <linux/phy_fixed.h>
+#include <linux/spi/spi.h>
 #include <linux/fsl_devices.h>
+#include <linux/fs_enet_pd.h>
+#include <linux/fs_uart_pd.h>
 
 #include <asm/system.h>
 #include <asm/atomic.h>
 #include <asm/io.h>
 #include <asm/irq.h>
+#include <asm/time.h>
 #include <asm/prom.h>
 #include <sysdev/fsl_soc.h>
 #include <mm/mmu_decl.h>
+#include <asm/cpm2.h>
 
+extern void init_fcc_ioports(struct fs_platform_info*);
+extern void init_fec_ioports(struct fs_platform_info*);
+extern void init_smc_ioports(struct fs_uart_platform_info*);
 static phys_addr_t immrbase = -1;
 
 phys_addr_t get_immrbase(void)
@@ -40,30 +53,174 @@ phys_addr_t get_immrbase(void)
                return immrbase;
 
        soc = of_find_node_by_type(NULL, "soc");
-       if (soc != 0) {
-               unsigned int size;
-               void *prop = get_property(soc, "reg", &size);
-               immrbase = of_translate_address(soc, prop);
+       if (soc) {
+               int size;
+               u32 naddr;
+               const u32 *prop = of_get_property(soc, "#address-cells", &size);
+
+               if (prop && size == 4)
+                       naddr = *prop;
+               else
+                       naddr = 2;
+
+               prop = of_get_property(soc, "ranges", &size);
+               if (prop)
+                       immrbase = of_translate_address(soc, prop + naddr);
+
                of_node_put(soc);
-       };
+       }
 
        return immrbase;
 }
+
 EXPORT_SYMBOL(get_immrbase);
 
-static const char * gfar_tx_intr = "tx";
-static const char * gfar_rx_intr = "rx";
-static const char * gfar_err_intr = "error";
+static u32 sysfreq = -1;
 
-static int __init gfar_of_init(void)
+u32 fsl_get_sys_freq(void)
 {
+       struct device_node *soc;
+       const u32 *prop;
+       int size;
+
+       if (sysfreq != -1)
+               return sysfreq;
+
+       soc = of_find_node_by_type(NULL, "soc");
+       if (!soc)
+               return -1;
+
+       prop = of_get_property(soc, "clock-frequency", &size);
+       if (!prop || size != sizeof(*prop) || *prop == 0)
+               prop = of_get_property(soc, "bus-frequency", &size);
+
+       if (prop && size == sizeof(*prop))
+               sysfreq = *prop;
+
+       of_node_put(soc);
+       return sysfreq;
+}
+EXPORT_SYMBOL(fsl_get_sys_freq);
+
+#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
+
+static u32 brgfreq = -1;
+
+u32 get_brgfreq(void)
+{
+       struct device_node *node;
+       const unsigned int *prop;
+       int size;
+
+       if (brgfreq != -1)
+               return brgfreq;
+
+       node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
+       if (node) {
+               prop = of_get_property(node, "clock-frequency", &size);
+               if (prop && size == 4)
+                       brgfreq = *prop;
+
+               of_node_put(node);
+               return brgfreq;
+       }
+
+       /* Legacy device binding -- will go away when no users are left. */
+       node = of_find_node_by_type(NULL, "cpm");
+       if (!node)
+               node = of_find_compatible_node(NULL, NULL, "fsl,qe");
+       if (!node)
+               node = of_find_node_by_type(NULL, "qe");
+
+       if (node) {
+               prop = of_get_property(node, "brg-frequency", &size);
+               if (prop && size == 4)
+                       brgfreq = *prop;
+
+               if (brgfreq == -1 || brgfreq == 0) {
+                       prop = of_get_property(node, "bus-frequency", &size);
+                       if (prop && size == 4)
+                               brgfreq = *prop / 2;
+               }
+               of_node_put(node);
+       }
+
+       return brgfreq;
+}
+
+EXPORT_SYMBOL(get_brgfreq);
+
+static u32 fs_baudrate = -1;
+
+u32 get_baudrate(void)
+{
+       struct device_node *node;
+
+       if (fs_baudrate != -1)
+               return fs_baudrate;
+
+       node = of_find_node_by_type(NULL, "serial");
+       if (node) {
+               int size;
+               const unsigned int *prop = of_get_property(node,
+                               "current-speed", &size);
+
+               if (prop)
+                       fs_baudrate = *prop;
+               of_node_put(node);
+       }
+
+       return fs_baudrate;
+}
+
+EXPORT_SYMBOL(get_baudrate);
+#endif /* CONFIG_CPM2 */
+
+#ifdef CONFIG_FIXED_PHY
+static int __init of_add_fixed_phys(void)
+{
+       int ret;
        struct device_node *np;
-       unsigned int i;
-       struct platform_device *mdio_dev, *gfar_dev;
+       u32 *fixed_link;
+       struct fixed_phy_status status = {};
+
+       for_each_node_by_name(np, "ethernet") {
+               fixed_link  = (u32 *)of_get_property(np, "fixed-link", NULL);
+               if (!fixed_link)
+                       continue;
+
+               status.link = 1;
+               status.duplex = fixed_link[1];
+               status.speed = fixed_link[2];
+               status.pause = fixed_link[3];
+               status.asym_pause = fixed_link[4];
+
+               ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status);
+               if (ret) {
+                       of_node_put(np);
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+arch_initcall(of_add_fixed_phys);
+#endif /* CONFIG_FIXED_PHY */
+
+static int __init gfar_mdio_of_init(void)
+{
+       struct device_node *np = NULL;
+       struct platform_device *mdio_dev;
        struct resource res;
        int ret;
 
-       for (np = NULL, i = 0; (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL; i++) {
+       np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
+
+       /* try the deprecated version */
+       if (!np)
+               np = of_find_compatible_node(np, "mdio", "gianfar");
+
+       if (np) {
                int k;
                struct device_node *child = NULL;
                struct gianfar_mdio_data mdio_data;
@@ -73,245 +230,665 @@ static int __init gfar_of_init(void)
 
                ret = of_address_to_resource(np, 0, &res);
                if (ret)
-                       goto mdio_err;
+                       goto err;
 
-               mdio_dev = platform_device_register_simple("fsl-gianfar_mdio", res.start, &res, 1);
+               mdio_dev =
+                   platform_device_register_simple("fsl-gianfar_mdio",
+                                                   res.start, &res, 1);
                if (IS_ERR(mdio_dev)) {
                        ret = PTR_ERR(mdio_dev);
-                       goto mdio_err;
+                       goto err;
                }
 
                for (k = 0; k < 32; k++)
-                       mdio_data.irq[k] = -1;
+                       mdio_data.irq[k] = PHY_POLL;
 
                while ((child = of_get_next_child(np, child)) != NULL) {
-                       if (child->n_intrs) {
-                               u32 *id = (u32 *) get_property(child, "reg", NULL);
-                               mdio_data.irq[*id] = child->intrs[0].line;
+                       int irq = irq_of_parse_and_map(child, 0);
+                       if (irq != NO_IRQ) {
+                               const u32 *id = of_get_property(child,
+                                                       "reg", NULL);
+                               mdio_data.irq[*id] = irq;
                        }
                }
 
-               ret = platform_device_add_data(mdio_dev, &mdio_data, sizeof(struct gianfar_mdio_data));
+               ret =
+                   platform_device_add_data(mdio_dev, &mdio_data,
+                                            sizeof(struct gianfar_mdio_data));
                if (ret)
-                       goto mdio_unreg;
+                       goto unreg;
        }
 
-       for (np = NULL, i = 0; (np = of_find_compatible_node(np, "network", "gianfar")) != NULL; i++) {
+       of_node_put(np);
+       return 0;
+
+unreg:
+       platform_device_unregister(mdio_dev);
+err:
+       of_node_put(np);
+       return ret;
+}
+
+arch_initcall(gfar_mdio_of_init);
+
+static const char *gfar_tx_intr = "tx";
+static const char *gfar_rx_intr = "rx";
+static const char *gfar_err_intr = "error";
+
+static int __init gfar_of_init(void)
+{
+       struct device_node *np;
+       unsigned int i;
+       struct platform_device *gfar_dev;
+       struct resource res;
+       int ret;
+
+       for (np = NULL, i = 0;
+            (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
+            i++) {
                struct resource r[4];
                struct device_node *phy, *mdio;
                struct gianfar_platform_data gfar_data;
-               unsigned int *id;
-               char *model;
-               void *mac_addr;
-               phandle *ph;
+               const unsigned int *id;
+               const char *model;
+               const char *ctype;
+               const void *mac_addr;
+               const phandle *ph;
+               int n_res = 2;
 
                memset(r, 0, sizeof(r));
                memset(&gfar_data, 0, sizeof(gfar_data));
 
                ret = of_address_to_resource(np, 0, &r[0]);
                if (ret)
-                       goto gfar_err;
+                       goto err;
 
-               r[1].start = np->intrs[0].line;
-               r[1].end = np->intrs[0].line;
-               r[1].flags = IORESOURCE_IRQ;
+               of_irq_to_resource(np, 0, &r[1]);
 
-               model = get_property(np, "model", NULL);
+               model = of_get_property(np, "model", NULL);
 
                /* If we aren't the FEC we have multiple interrupts */
                if (model && strcasecmp(model, "FEC")) {
                        r[1].name = gfar_tx_intr;
 
                        r[2].name = gfar_rx_intr;
-                       r[2].start = np->intrs[1].line;
-                       r[2].end = np->intrs[1].line;
-                       r[2].flags = IORESOURCE_IRQ;
+                       of_irq_to_resource(np, 1, &r[2]);
 
                        r[3].name = gfar_err_intr;
-                       r[3].start = np->intrs[2].line;
-                       r[3].end = np->intrs[2].line;
-                       r[3].flags = IORESOURCE_IRQ;
+                       of_irq_to_resource(np, 2, &r[3]);
+
+                       n_res += 2;
                }
 
-               gfar_dev = platform_device_register_simple("fsl-gianfar", i, &r[0], np->n_intrs + 1);
+               gfar_dev =
+                   platform_device_register_simple("fsl-gianfar", i, &r[0],
+                                                   n_res);
 
                if (IS_ERR(gfar_dev)) {
                        ret = PTR_ERR(gfar_dev);
-                       goto gfar_err;
+                       goto err;
                }
 
-               mac_addr = get_property(np, "address", NULL);
-               memcpy(gfar_data.mac_addr, mac_addr, 6);
+               mac_addr = of_get_mac_address(np);
+               if (mac_addr)
+                       memcpy(gfar_data.mac_addr, mac_addr, 6);
 
                if (model && !strcasecmp(model, "TSEC"))
                        gfar_data.device_flags =
-                               FSL_GIANFAR_DEV_HAS_GIGABIT |
-                               FSL_GIANFAR_DEV_HAS_COALESCE |
-                               FSL_GIANFAR_DEV_HAS_RMON |
-                               FSL_GIANFAR_DEV_HAS_MULTI_INTR;
+                           FSL_GIANFAR_DEV_HAS_GIGABIT |
+                           FSL_GIANFAR_DEV_HAS_COALESCE |
+                           FSL_GIANFAR_DEV_HAS_RMON |
+                           FSL_GIANFAR_DEV_HAS_MULTI_INTR;
                if (model && !strcasecmp(model, "eTSEC"))
                        gfar_data.device_flags =
-                               FSL_GIANFAR_DEV_HAS_GIGABIT |
-                               FSL_GIANFAR_DEV_HAS_COALESCE |
-                               FSL_GIANFAR_DEV_HAS_RMON |
-                               FSL_GIANFAR_DEV_HAS_MULTI_INTR |
-                               FSL_GIANFAR_DEV_HAS_CSUM |
-                               FSL_GIANFAR_DEV_HAS_VLAN |
-                               FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
-
-               ph = (phandle *) get_property(np, "phy-handle", NULL);
-               phy = of_find_node_by_phandle(*ph);
-
-               if (phy == NULL) {
-                       ret = -ENODEV;
-                       goto gfar_unreg;
-               }
+                           FSL_GIANFAR_DEV_HAS_GIGABIT |
+                           FSL_GIANFAR_DEV_HAS_COALESCE |
+                           FSL_GIANFAR_DEV_HAS_RMON |
+                           FSL_GIANFAR_DEV_HAS_MULTI_INTR |
+                           FSL_GIANFAR_DEV_HAS_CSUM |
+                           FSL_GIANFAR_DEV_HAS_VLAN |
+                           FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
+
+               ctype = of_get_property(np, "phy-connection-type", NULL);
+
+               /* We only care about rgmii-id.  The rest are autodetected */
+               if (ctype && !strcmp(ctype, "rgmii-id"))
+                       gfar_data.interface = PHY_INTERFACE_MODE_RGMII_ID;
+               else
+                       gfar_data.interface = PHY_INTERFACE_MODE_MII;
+
+               ph = of_get_property(np, "phy-handle", NULL);
+               if (ph == NULL) {
+                       u32 *fixed_link;
+
+                       fixed_link = (u32 *)of_get_property(np, "fixed-link",
+                                                          NULL);
+                       if (!fixed_link) {
+                               ret = -ENODEV;
+                               goto unreg;
+                       }
 
-               mdio = of_get_parent(phy);
+                       snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "0");
+                       gfar_data.phy_id = fixed_link[0];
+               } else {
+                       phy = of_find_node_by_phandle(*ph);
+
+                       if (phy == NULL) {
+                               ret = -ENODEV;
+                               goto unreg;
+                       }
+
+                       mdio = of_get_parent(phy);
+
+                       id = of_get_property(phy, "reg", NULL);
+                       ret = of_address_to_resource(mdio, 0, &res);
+                       if (ret) {
+                               of_node_put(phy);
+                               of_node_put(mdio);
+                               goto unreg;
+                       }
+
+                       gfar_data.phy_id = *id;
+                       snprintf(gfar_data.bus_id, MII_BUS_ID_SIZE, "%x",
+                                       res.start);
 
-               id = (u32 *) get_property(phy, "reg", NULL);
-               ret = of_address_to_resource(mdio, 0, &res);
-               if (ret) {
                        of_node_put(phy);
                        of_node_put(mdio);
-                       goto gfar_unreg;
                }
 
-               gfar_data.phy_id = *id;
-               gfar_data.bus_id = res.start;
-
-               of_node_put(phy);
-               of_node_put(mdio);
-
-               ret = platform_device_add_data(gfar_dev, &gfar_data, sizeof(struct gianfar_platform_data));
+               ret =
+                   platform_device_add_data(gfar_dev, &gfar_data,
+                                            sizeof(struct
+                                                   gianfar_platform_data));
                if (ret)
-                       goto gfar_unreg;
+                       goto unreg;
        }
 
        return 0;
 
-mdio_unreg:
-       platform_device_unregister(mdio_dev);
-mdio_err:
-       return ret;
-
-gfar_unreg:
+unreg:
        platform_device_unregister(gfar_dev);
-gfar_err:
+err:
        return ret;
 }
+
 arch_initcall(gfar_of_init);
 
+#ifdef CONFIG_I2C_BOARDINFO
+#include <linux/i2c.h>
+struct i2c_driver_device {
+       char    *of_device;
+       char    *i2c_driver;
+       char    *i2c_type;
+};
+
+static struct i2c_driver_device i2c_devices[] __initdata = {
+       {"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
+       {"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
+       {"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
+       {"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
+       {"dallas,ds1307",  "rtc-ds1307",  "ds1307",},
+       {"dallas,ds1337",  "rtc-ds1307",  "ds1337",},
+       {"dallas,ds1338",  "rtc-ds1307",  "ds1338",},
+       {"dallas,ds1339",  "rtc-ds1307",  "ds1339",},
+       {"dallas,ds1340",  "rtc-ds1307",  "ds1340",},
+       {"stm,m41t00",     "rtc-ds1307",  "m41t00"},
+       {"dallas,ds1374",  "rtc-ds1374",  "rtc-ds1374",},
+};
+
+static int __init of_find_i2c_driver(struct device_node *node,
+                                    struct i2c_board_info *info)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
+               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;
+       unsigned int i = 0;
        struct platform_device *i2c_dev;
        int ret;
 
-       for (np = NULL, i = 0; (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL; i++) {
+       for_each_compatible_node(np, NULL, "fsl-i2c") {
                struct resource r[2];
                struct fsl_i2c_platform_data i2c_data;
-               unsigned char * flags = NULL;
+               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 i2c_err;
+                       goto err;
 
-               r[1].start = np->intrs[0].line;
-               r[1].end = np->intrs[0].line;
-               r[1].flags = IORESOURCE_IRQ;
+               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 i2c_err;
+                       goto err;
                }
 
                i2c_data.device_flags = 0;
-               flags = get_property(np, "dfsrr", NULL);
+               flags = of_get_property(np, "dfsrr", NULL);
                if (flags)
                        i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
 
-               flags = get_property(np, "fsl5200-clocking", NULL);
+               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));
+               ret =
+                   platform_device_add_data(i2c_dev, &i2c_data,
+                                            sizeof(struct
+                                                   fsl_i2c_platform_data));
                if (ret)
-                       goto i2c_unreg;
+                       goto unreg;
+
+               of_register_i2c_devices(np, i++);
        }
 
        return 0;
 
-i2c_unreg:
+unreg:
        platform_device_unregister(i2c_dev);
-i2c_err:
+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 device_node *np;
        struct platform_device *dev;
-       unsigned int *freq;
+       u32 freq = fsl_get_sys_freq();
        int ret;
 
        np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
 
        if (!np) {
                ret = -ENODEV;
-               goto mpc83xx_wdt_nodev;
-       }
-
-       soc = of_find_node_by_type(NULL, "soc");
-
-       if (!soc) {
-               ret = -ENODEV;
-               goto mpc83xx_wdt_nosoc;
-       }
-
-       freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
-       if (!freq) {
-               ret = -ENODEV;
-               goto mpc83xx_wdt_err;
+               goto nodev;
        }
 
        memset(&r, 0, sizeof(r));
 
        ret = of_address_to_resource(np, 0, &r);
        if (ret)
-               goto mpc83xx_wdt_err;
+               goto err;
 
        dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
        if (IS_ERR(dev)) {
                ret = PTR_ERR(dev);
-               goto mpc83xx_wdt_err;
+               goto err;
        }
 
-       ret = platform_device_add_data(dev, freq, sizeof(int));
+       ret = platform_device_add_data(dev, &freq, sizeof(freq));
        if (ret)
-               goto mpc83xx_wdt_unreg;
+               goto unreg;
 
-       of_node_put(soc);
        of_node_put(np);
-
        return 0;
 
-mpc83xx_wdt_unreg:
+unreg:
        platform_device_unregister(dev);
-mpc83xx_wdt_err:
-       of_node_put(soc);
-mpc83xx_wdt_nosoc:
+err:
        of_node_put(np);
-mpc83xx_wdt_nodev:
+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 = 0;
+       struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
+               *usb_dev_dr_client = NULL;
+       int ret;
+
+       for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
+               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;
+               i++;
+       }
+
+       for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
+               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;
+               }
+               i++;
+       }
+       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);
+
+static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk,
+                                  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 = 0;
+
+       for_each_compatible_node(np, type, compatible) {
+               int ret;
+               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, "cell-index", NULL);
+               if (prop)
+                       i = *(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)
+                       continue;
+
+               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_add(pdev);
+               if (ret)
+                       goto unreg;
+
+               goto next;
+unreg:
+               platform_device_del(pdev);
+err:
+               pr_err("%s: registration failed\n", np->full_name);
+next:
+               i++;
+       }
+
+       return i;
+}
+
+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))
+{
+       u32 sysclk = -1;
+       int ret;
+
+#ifdef CONFIG_QUICC_ENGINE
+       /* SPI controller is either clocked from QE or SoC clock */
+       sysclk = get_brgfreq();
+#endif
+       if (sysclk == -1) {
+               sysclk = fsl_get_sys_freq();
+               if (sysclk == -1)
+                       return -ENODEV;
+       }
+
+       ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos,
+                              num_board_infos, activate_cs, deactivate_cs);
+       if (!ret)
+               of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos,
+                                num_board_infos, activate_cs, deactivate_cs);
+
+       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