4 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
12 #include <linux/config.h>
13 #include <linux/stddef.h>
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/errno.h>
17 #include <linux/major.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/module.h>
21 #include <linux/device.h>
22 #include <linux/platform_device.h>
23 #include <linux/fsl_devices.h>
25 #include <asm/system.h>
26 #include <asm/atomic.h>
30 #include <sysdev/fsl_soc.h>
31 #include <mm/mmu_decl.h>
33 static phys_addr_t immrbase = -1;
35 phys_addr_t get_immrbase(void)
37 struct device_node *soc;
42 soc = of_find_node_by_type(NULL, "soc");
45 void *prop = get_property(soc, "reg", &size);
46 immrbase = of_translate_address(soc, prop);
52 EXPORT_SYMBOL(get_immrbase);
54 static const char * gfar_tx_intr = "tx";
55 static const char * gfar_rx_intr = "rx";
56 static const char * gfar_err_intr = "error";
58 static int __init gfar_of_init(void)
60 struct device_node *np;
62 struct platform_device *mdio_dev, *gfar_dev;
66 for (np = NULL, i = 0; (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL; i++) {
68 struct device_node *child = NULL;
69 struct gianfar_mdio_data mdio_data;
71 memset(&res, 0, sizeof(res));
72 memset(&mdio_data, 0, sizeof(mdio_data));
74 ret = of_address_to_resource(np, 0, &res);
78 mdio_dev = platform_device_register_simple("fsl-gianfar_mdio", res.start, &res, 1);
79 if (IS_ERR(mdio_dev)) {
80 ret = PTR_ERR(mdio_dev);
84 for (k = 0; k < 32; k++)
85 mdio_data.irq[k] = -1;
87 while ((child = of_get_next_child(np, child)) != NULL) {
89 u32 *id = (u32 *) get_property(child, "reg", NULL);
90 mdio_data.irq[*id] = child->intrs[0].line;
94 ret = platform_device_add_data(mdio_dev, &mdio_data, sizeof(struct gianfar_mdio_data));
99 for (np = NULL, i = 0; (np = of_find_compatible_node(np, "network", "gianfar")) != NULL; i++) {
100 struct resource r[4];
101 struct device_node *phy, *mdio;
102 struct gianfar_platform_data gfar_data;
108 memset(r, 0, sizeof(r));
109 memset(&gfar_data, 0, sizeof(gfar_data));
111 ret = of_address_to_resource(np, 0, &r[0]);
115 r[1].start = np->intrs[0].line;
116 r[1].end = np->intrs[0].line;
117 r[1].flags = IORESOURCE_IRQ;
119 model = get_property(np, "model", NULL);
121 /* If we aren't the FEC we have multiple interrupts */
122 if (model && strcasecmp(model, "FEC")) {
123 r[1].name = gfar_tx_intr;
125 r[2].name = gfar_rx_intr;
126 r[2].start = np->intrs[1].line;
127 r[2].end = np->intrs[1].line;
128 r[2].flags = IORESOURCE_IRQ;
130 r[3].name = gfar_err_intr;
131 r[3].start = np->intrs[2].line;
132 r[3].end = np->intrs[2].line;
133 r[3].flags = IORESOURCE_IRQ;
136 gfar_dev = platform_device_register_simple("fsl-gianfar", i, &r[0], np->n_intrs + 1);
138 if (IS_ERR(gfar_dev)) {
139 ret = PTR_ERR(gfar_dev);
143 mac_addr = get_property(np, "address", NULL);
144 memcpy(gfar_data.mac_addr, mac_addr, 6);
146 if (model && !strcasecmp(model, "TSEC"))
147 gfar_data.device_flags =
148 FSL_GIANFAR_DEV_HAS_GIGABIT |
149 FSL_GIANFAR_DEV_HAS_COALESCE |
150 FSL_GIANFAR_DEV_HAS_RMON |
151 FSL_GIANFAR_DEV_HAS_MULTI_INTR;
152 if (model && !strcasecmp(model, "eTSEC"))
153 gfar_data.device_flags =
154 FSL_GIANFAR_DEV_HAS_GIGABIT |
155 FSL_GIANFAR_DEV_HAS_COALESCE |
156 FSL_GIANFAR_DEV_HAS_RMON |
157 FSL_GIANFAR_DEV_HAS_MULTI_INTR |
158 FSL_GIANFAR_DEV_HAS_CSUM |
159 FSL_GIANFAR_DEV_HAS_VLAN |
160 FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
162 ph = (phandle *) get_property(np, "phy-handle", NULL);
163 phy = of_find_node_by_phandle(*ph);
170 mdio = of_get_parent(phy);
172 id = (u32 *) get_property(phy, "reg", NULL);
173 ret = of_address_to_resource(mdio, 0, &res);
180 gfar_data.phy_id = *id;
181 gfar_data.bus_id = res.start;
186 ret = platform_device_add_data(gfar_dev, &gfar_data, sizeof(struct gianfar_platform_data));
194 platform_device_unregister(mdio_dev);
199 platform_device_unregister(gfar_dev);
203 arch_initcall(gfar_of_init);
205 static int __init fsl_i2c_of_init(void)
207 struct device_node *np;
209 struct platform_device *i2c_dev;
212 for (np = NULL, i = 0; (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL; i++) {
213 struct resource r[2];
214 struct fsl_i2c_platform_data i2c_data;
215 unsigned char * flags = NULL;
217 memset(&r, 0, sizeof(r));
218 memset(&i2c_data, 0, sizeof(i2c_data));
220 ret = of_address_to_resource(np, 0, &r[0]);
224 r[1].start = np->intrs[0].line;
225 r[1].end = np->intrs[0].line;
226 r[1].flags = IORESOURCE_IRQ;
228 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
229 if (IS_ERR(i2c_dev)) {
230 ret = PTR_ERR(i2c_dev);
234 i2c_data.device_flags = 0;
235 flags = get_property(np, "dfsrr", NULL);
237 i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
239 flags = get_property(np, "fsl5200-clocking", NULL);
241 i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
243 ret = platform_device_add_data(i2c_dev, &i2c_data, sizeof(struct fsl_i2c_platform_data));
251 platform_device_unregister(i2c_dev);
255 arch_initcall(fsl_i2c_of_init);
257 #ifdef CONFIG_PPC_83xx
258 static int __init mpc83xx_wdt_init(void)
261 struct device_node *soc, *np;
262 struct platform_device *dev;
266 np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
270 goto mpc83xx_wdt_nodev;
273 soc = of_find_node_by_type(NULL, "soc");
277 goto mpc83xx_wdt_nosoc;
280 freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
283 goto mpc83xx_wdt_err;
286 memset(&r, 0, sizeof(r));
288 ret = of_address_to_resource(np, 0, &r);
290 goto mpc83xx_wdt_err;
292 dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
295 goto mpc83xx_wdt_err;
298 ret = platform_device_add_data(dev, freq, sizeof(int));
300 goto mpc83xx_wdt_unreg;
308 platform_device_unregister(dev);
316 arch_initcall(mpc83xx_wdt_init);