1 files changed, 165 insertions, 232 deletions

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 064c9de4773..ffd1169ebaa 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -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>
@@ -17,19 +19,31 @@
 #include <linux/major.h>
 #include <linux/delay.h>
 #include <linux/irq.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/phy.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 <linux/atomic.h>
 #include <asm/io.h>
 #include <asm/irq.h>
+#include <asm/time.h>
 #include <asm/prom.h>
+#include <asm/machdep.h>
 #include <sysdev/fsl_soc.h>
 #include <mm/mmu_decl.h>
+#include <asm/cpm2.h>
+#include <asm/fsl_hcalls.h>	/* For the Freescale hypervisor */
 
+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)
@@ -40,278 +54,197 @@ 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 __be32 *prop = of_get_property(soc, "#address-cells", &size);
+
+		if (prop && size == 4)
+			naddr = be32_to_cpup(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 *np;
-	unsigned int i;
-	struct platform_device *mdio_dev, *gfar_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 mdio_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 mdio_err;
-		}
+	struct device_node *soc;
+	const u32 *prop;
+	int size;
 
-		for (k = 0; k < 32; k++)
-			mdio_data.irq[k] = -1;
+	if (sysfreq != -1)
+		return sysfreq;
 
-		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;
-			}
-		}
+	soc = of_find_node_by_type(NULL, "soc");
+	if (!soc)
+		return -1;
 
-		ret = platform_device_add_data(mdio_dev, &mdio_data, sizeof(struct gianfar_mdio_data));
-		if (ret)
-			goto mdio_unreg;
-	}
+	prop = of_get_property(soc, "clock-frequency", &size);
+	if (!prop || size != sizeof(*prop) || *prop == 0)
+		prop = of_get_property(soc, "bus-frequency", &size);
 
-	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 gfar_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;
-		}
+	if (prop && size == sizeof(*prop))
+		sysfreq = *prop;
 
-		gfar_dev = platform_device_register_simple("fsl-gianfar", i, &r[0], np->n_intrs + 1);
+	of_node_put(soc);
+	return sysfreq;
+}
+EXPORT_SYMBOL(fsl_get_sys_freq);
 
-		if (IS_ERR(gfar_dev)) {
-			ret = PTR_ERR(gfar_dev);
-			goto gfar_err;
-		}
+#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
 
-		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 gfar_unreg;
-		}
+static u32 brgfreq = -1;
 
-		mdio = of_get_parent(phy);
+u32 get_brgfreq(void)
+{
+	struct device_node *node;
+	const unsigned int *prop;
+	int size;
 
-		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;
-		}
+	if (brgfreq != -1)
+		return brgfreq;
 
-		gfar_data.phy_id = *id;
-		gfar_data.bus_id = res.start;
+	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(phy);
-		of_node_put(mdio);
+		of_node_put(node);
+		return brgfreq;
+	}
 
-		ret = platform_device_add_data(gfar_dev, &gfar_data, sizeof(struct gianfar_platform_data));
-		if (ret)
-			goto gfar_unreg;
+	/* 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 0;
+	return brgfreq;
+}
 
-mdio_unreg:
-	platform_device_unregister(mdio_dev);
-mdio_err:
-	return ret;
+EXPORT_SYMBOL(get_brgfreq);
 
-gfar_unreg:
-	platform_device_unregister(gfar_dev);
-gfar_err:
-	return ret;
-}
-arch_initcall(gfar_of_init);
+static u32 fs_baudrate = -1;
 
-static int __init fsl_i2c_of_init(void)
+u32 get_baudrate(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 i2c_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 i2c_err;
-		}
+	struct device_node *node;
 
-		i2c_data.device_flags = 0;
-		flags = get_property(np, "dfsrr", NULL);
-		if (flags)
-			i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
+	if (fs_baudrate != -1)
+		return fs_baudrate;
 
-		flags = get_property(np, "fsl5200-clocking", NULL);
-		if (flags)
-			i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
+	node = of_find_node_by_type(NULL, "serial");
+	if (node) {
+		int size;
+		const unsigned int *prop = of_get_property(node,
+				"current-speed", &size);
 
-		ret = platform_device_add_data(i2c_dev, &i2c_data, sizeof(struct fsl_i2c_platform_data));
-		if (ret)
-			goto i2c_unreg;
+		if (prop)
+			fs_baudrate = *prop;
+		of_node_put(node);
 	}
 
-	return 0;
-
-i2c_unreg:
-	platform_device_unregister(i2c_dev);
-i2c_err:
-	return ret;
+	return fs_baudrate;
 }
-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");
+EXPORT_SYMBOL(get_baudrate);
+#endif /* CONFIG_CPM2 */
 
-	if (!np) {
-		ret = -ENODEV;
-		goto mpc83xx_wdt_nodev;
-	}
+#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
+static __be32 __iomem *rstcr;
 
-	soc = of_find_node_by_type(NULL, "soc");
+static int __init setup_rstcr(void)
+{
+	struct device_node *np;
 
-	if (!soc) {
-		ret = -ENODEV;
-		goto mpc83xx_wdt_nosoc;
+	for_each_node_by_name(np, "global-utilities") {
+		if ((of_get_property(np, "fsl,has-rstcr", NULL))) {
+			rstcr = of_iomap(np, 0) + 0xb0;
+			if (!rstcr)
+				printk (KERN_ERR "Error: reset control "
+						"register not mapped!\n");
+			break;
+		}
 	}
 
-	freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
-	if (!freq) {
-		ret = -ENODEV;
-		goto mpc83xx_wdt_err;
-	}
+	if (!rstcr && ppc_md.restart == fsl_rstcr_restart)
+		printk(KERN_ERR "No RSTCR register, warm reboot won't work\n");
 
-	memset(&r, 0, sizeof(r));
+	if (np)
+		of_node_put(np);
 
-	ret = of_address_to_resource(np, 0, &r);
-	if (ret)
-		goto mpc83xx_wdt_err;
+	return 0;
+}
 
-	dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
-	if (IS_ERR(dev)) {
-		ret = PTR_ERR(dev);
-		goto mpc83xx_wdt_err;
-	}
+arch_initcall(setup_rstcr);
 
-	ret = platform_device_add_data(dev, freq, sizeof(int));
-	if (ret)
-		goto mpc83xx_wdt_unreg;
+void fsl_rstcr_restart(char *cmd)
+{
+	local_irq_disable();
+	if (rstcr)
+		/* set reset control register */
+		out_be32(rstcr, 0x2);	/* HRESET_REQ */
 
-	of_node_put(soc);
-	of_node_put(np);
+	while (1) ;
+}
+#endif
 
-	return 0;
+#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
+struct platform_diu_data_ops diu_ops;
+EXPORT_SYMBOL(diu_ops);
+#endif
 
-mpc83xx_wdt_unreg:
-	platform_device_unregister(dev);
-mpc83xx_wdt_err:
-	of_node_put(soc);
-mpc83xx_wdt_nosoc:
-	of_node_put(np);
-mpc83xx_wdt_nodev:
-	return ret;
+#ifdef CONFIG_EPAPR_PARAVIRT
+/*
+ * Restart the current partition
+ *
+ * This function should be assigned to the ppc_md.restart function pointer,
+ * to initiate a partition restart when we're running under the Freescale
+ * hypervisor.
+ */
+void fsl_hv_restart(char *cmd)
+{
+	pr_info("hv restart\n");
+	fh_partition_restart(-1);
+}
+
+/*
+ * Halt the current partition
+ *
+ * This function should be assigned to the ppc_md.power_off and ppc_md.halt
+ * function pointers, to shut down the partition when we're running under
+ * the Freescale hypervisor.
+ */
+void fsl_hv_halt(void)
+{
+	pr_info("hv exit\n");
+	fh_partition_stop(-1);
 }
-arch_initcall(mpc83xx_wdt_init);
 #endif