--- /dev/null
+/*
+ * FSL SoC setup code
+ *
+ * Maintained by Kumar Gala (see MAINTAINERS for contact information)
+ *
+ * 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/errno.h>
+#include <linux/major.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/fsl_devices.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <sysdev/fsl_soc.h>
+#include <mm/mmu_decl.h>
+
+static phys_addr_t immrbase = -1;
+
+phys_addr_t get_immrbase(void)
+{
+ struct device_node *soc;
+
+ if (immrbase != -1)
+ return immrbase;
+
+ soc = of_find_node_by_type(NULL, "soc");
+ if (soc) {
+ unsigned int size;
+ void *prop = get_property(soc, "reg", &size);
+ immrbase = of_translate_address(soc, prop);
+ of_node_put(soc);
+ };
+
+ return immrbase;
+}
+
+EXPORT_SYMBOL(get_immrbase);
+
+static int __init gfar_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", "gianfar")) != NULL;
+ i++) {
+ int k;
+ struct device_node *child = NULL;
+ struct gianfar_mdio_data 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-gianfar_mdio",
+ res.start, &res, 1);
+ if (IS_ERR(mdio_dev)) {
+ ret = PTR_ERR(mdio_dev);
+ goto err;
+ }
+
+ for (k = 0; k < 32; k++)
+ mdio_data.irq[k] = -1;
+
+ 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;
+ }
+ }
+
+ ret =
+ platform_device_add_data(mdio_dev, &mdio_data,
+ sizeof(struct gianfar_mdio_data));
+ if (ret)
+ goto unreg;
+ }
+
+ return 0;
+
+unreg:
+ platform_device_unregister(mdio_dev);
+err:
+ 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;
+
+ memset(r, 0, sizeof(r));
+ memset(&gfar_data, 0, sizeof(gfar_data));
+
+ ret = of_address_to_resource(np, 0, &r[0]);
+ if (ret)
+ goto err;
+
+ r[1].start = np->intrs[0].line;
+ r[1].end = np->intrs[0].line;
+ r[1].flags = IORESOURCE_IRQ;
+
+ model = 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;
+
+ 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;
+ }
+
+ gfar_dev =
+ platform_device_register_simple("fsl-gianfar", i, &r[0],
+ np->n_intrs + 1);
+
+ if (IS_ERR(gfar_dev)) {
+ ret = PTR_ERR(gfar_dev);
+ goto err;
+ }
+
+ mac_addr = get_property(np, "address", NULL);
+ 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;
+ 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 unreg;
+ }
+
+ mdio = of_get_parent(phy);
+
+ 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 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));
+ if (ret)
+ goto unreg;
+ }
+
+ return 0;
+
+unreg:
+ platform_device_unregister(gfar_dev);
+err:
+ return ret;
+}
+
+arch_initcall(gfar_of_init);
+
+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;
+ 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;
+
+ r[1].start = np->intrs[0].line;
+ r[1].end = np->intrs[0].line;
+ r[1].flags = IORESOURCE_IRQ;
+
+ 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 = get_property(np, "dfsrr", NULL);
+ if (flags)
+ i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
+
+ flags = 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;
+ }
+
+ return 0;
+
+unreg:
+ platform_device_unregister(i2c_dev);
+err:
+ return ret;
+}
+
+arch_initcall(fsl_i2c_of_init);
+
+#ifdef CONFIG_PPC_83xx
+static int __init mpc83xx_wdt_init(void)
+{
+ struct resource r;
+ struct device_node *soc, *np;
+ struct platform_device *dev;
+ 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 = (unsigned int *)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(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;
+ 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;
+ 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;
+
+ r[1].start = np->intrs[0].line;
+ r[1].end = np->intrs[0].line;
+ r[1].flags = IORESOURCE_IRQ;
+
+ usb_dev =
+ platform_device_register_simple("fsl-usb2-mph", i, r, 2);
+ if (IS_ERR(usb_dev)) {
+ ret = PTR_ERR(usb_dev);
+ goto err;
+ }
+
+ usb_dev->dev.coherent_dma_mask = 0xffffffffUL;
+ usb_dev->dev.dma_mask = &usb_dev->dev.coherent_dma_mask;
+
+ usb_data.operating_mode = FSL_USB2_MPH_HOST;
+
+ prop = get_property(np, "port0", NULL);
+ if (prop)
+ usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
+
+ prop = get_property(np, "port1", NULL);
+ if (prop)
+ usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
+
+ prop = get_property(np, "phy_type", NULL);
+ usb_data.phy_mode = determine_usb_phy(prop);
+
+ ret =
+ platform_device_add_data(usb_dev, &usb_data,
+ sizeof(struct
+ fsl_usb2_platform_data));
+ if (ret)
+ goto unreg;
+ }
+
+ return 0;
+
+unreg:
+ platform_device_unregister(usb_dev);
+err:
+ return ret;
+}
+
+arch_initcall(fsl_usb_of_init);
+
+static int __init fsl_usb_dr_of_init(void)
+{
+ struct device_node *np;
+ unsigned int i;
+ struct platform_device *usb_dev;
+ int ret;
+
+ for (np = NULL, i = 0;
+ (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
+ i++) {
+ struct resource r[2];
+ struct fsl_usb2_platform_data usb_data;
+ 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;
+
+ r[1].start = np->intrs[0].line;
+ r[1].end = np->intrs[0].line;
+ r[1].flags = IORESOURCE_IRQ;
+
+ usb_dev =
+ platform_device_register_simple("fsl-usb2-dr", i, r, 2);
+ if (IS_ERR(usb_dev)) {
+ ret = PTR_ERR(usb_dev);
+ goto err;
+ }
+
+ usb_dev->dev.coherent_dma_mask = 0xffffffffUL;
+ usb_dev->dev.dma_mask = &usb_dev->dev.coherent_dma_mask;
+
+ usb_data.operating_mode = FSL_USB2_DR_HOST;
+
+ prop = get_property(np, "phy_type", NULL);
+ usb_data.phy_mode = determine_usb_phy(prop);
+
+ ret =
+ platform_device_add_data(usb_dev, &usb_data,
+ sizeof(struct
+ fsl_usb2_platform_data));
+ if (ret)
+ goto unreg;
+ }
+
+ return 0;
+
+unreg:
+ platform_device_unregister(usb_dev);
+err:
+ return ret;
+}
+
+arch_initcall(fsl_usb_dr_of_init);
git://git.onelab.eu / linux-2.6.git / blobdiff