4 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
6 * 2006 (c) MontaVista Software, Inc.
7 * Vitaly Bordug <vbordug@ru.mvista.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
15 #include <linux/stddef.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/errno.h>
19 #include <linux/major.h>
20 #include <linux/delay.h>
21 #include <linux/irq.h>
22 #include <linux/module.h>
23 #include <linux/device.h>
24 #include <linux/platform_device.h>
25 #include <linux/fsl_devices.h>
26 #include <linux/fs_enet_pd.h>
27 #include <linux/fs_uart_pd.h>
29 #include <asm/system.h>
30 #include <asm/atomic.h>
35 #include <sysdev/fsl_soc.h>
36 #include <mm/mmu_decl.h>
39 extern void init_fcc_ioports(struct fs_platform_info*);
40 extern void init_scc_ioports(struct fs_uart_platform_info*);
41 static phys_addr_t immrbase = -1;
43 phys_addr_t get_immrbase(void)
45 struct device_node *soc;
50 soc = of_find_node_by_type(NULL, "soc");
53 const void *prop = get_property(soc, "reg", &size);
56 immrbase = of_translate_address(soc, prop);
63 EXPORT_SYMBOL(get_immrbase);
67 static u32 brgfreq = -1;
71 struct device_node *node;
76 node = of_find_node_by_type(NULL, "cpm");
79 const unsigned int *prop = get_property(node, "brg-frequency",
90 EXPORT_SYMBOL(get_brgfreq);
92 static u32 fs_baudrate = -1;
94 u32 get_baudrate(void)
96 struct device_node *node;
98 if (fs_baudrate != -1)
101 node = of_find_node_by_type(NULL, "serial");
104 const unsigned int *prop = get_property(node, "current-speed",
115 EXPORT_SYMBOL(get_baudrate);
116 #endif /* CONFIG_CPM2 */
118 static int __init gfar_mdio_of_init(void)
120 struct device_node *np;
122 struct platform_device *mdio_dev;
126 for (np = NULL, i = 0;
127 (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
130 struct device_node *child = NULL;
131 struct gianfar_mdio_data mdio_data;
133 memset(&res, 0, sizeof(res));
134 memset(&mdio_data, 0, sizeof(mdio_data));
136 ret = of_address_to_resource(np, 0, &res);
141 platform_device_register_simple("fsl-gianfar_mdio",
143 if (IS_ERR(mdio_dev)) {
144 ret = PTR_ERR(mdio_dev);
148 for (k = 0; k < 32; k++)
149 mdio_data.irq[k] = -1;
151 while ((child = of_get_next_child(np, child)) != NULL) {
152 int irq = irq_of_parse_and_map(child, 0);
154 const u32 *id = get_property(child, "reg", NULL);
155 mdio_data.irq[*id] = irq;
160 platform_device_add_data(mdio_dev, &mdio_data,
161 sizeof(struct gianfar_mdio_data));
169 platform_device_unregister(mdio_dev);
174 arch_initcall(gfar_mdio_of_init);
176 static const char *gfar_tx_intr = "tx";
177 static const char *gfar_rx_intr = "rx";
178 static const char *gfar_err_intr = "error";
180 static int __init gfar_of_init(void)
182 struct device_node *np;
184 struct platform_device *gfar_dev;
188 for (np = NULL, i = 0;
189 (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
191 struct resource r[4];
192 struct device_node *phy, *mdio;
193 struct gianfar_platform_data gfar_data;
194 const unsigned int *id;
196 const void *mac_addr;
200 memset(r, 0, sizeof(r));
201 memset(&gfar_data, 0, sizeof(gfar_data));
203 ret = of_address_to_resource(np, 0, &r[0]);
207 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
208 r[1].flags = IORESOURCE_IRQ;
210 model = get_property(np, "model", NULL);
212 /* If we aren't the FEC we have multiple interrupts */
213 if (model && strcasecmp(model, "FEC")) {
214 r[1].name = gfar_tx_intr;
216 r[2].name = gfar_rx_intr;
217 r[2].start = r[2].end = irq_of_parse_and_map(np, 1);
218 r[2].flags = IORESOURCE_IRQ;
220 r[3].name = gfar_err_intr;
221 r[3].start = r[3].end = irq_of_parse_and_map(np, 2);
222 r[3].flags = IORESOURCE_IRQ;
228 platform_device_register_simple("fsl-gianfar", i, &r[0],
231 if (IS_ERR(gfar_dev)) {
232 ret = PTR_ERR(gfar_dev);
236 mac_addr = get_property(np, "local-mac-address", NULL);
237 if (mac_addr == NULL)
238 mac_addr = get_property(np, "mac-address", NULL);
239 if (mac_addr == NULL) {
241 mac_addr = get_property(np, "address", NULL);
245 memcpy(gfar_data.mac_addr, mac_addr, 6);
247 if (model && !strcasecmp(model, "TSEC"))
248 gfar_data.device_flags =
249 FSL_GIANFAR_DEV_HAS_GIGABIT |
250 FSL_GIANFAR_DEV_HAS_COALESCE |
251 FSL_GIANFAR_DEV_HAS_RMON |
252 FSL_GIANFAR_DEV_HAS_MULTI_INTR;
253 if (model && !strcasecmp(model, "eTSEC"))
254 gfar_data.device_flags =
255 FSL_GIANFAR_DEV_HAS_GIGABIT |
256 FSL_GIANFAR_DEV_HAS_COALESCE |
257 FSL_GIANFAR_DEV_HAS_RMON |
258 FSL_GIANFAR_DEV_HAS_MULTI_INTR |
259 FSL_GIANFAR_DEV_HAS_CSUM |
260 FSL_GIANFAR_DEV_HAS_VLAN |
261 FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
263 ph = get_property(np, "phy-handle", NULL);
264 phy = of_find_node_by_phandle(*ph);
271 mdio = of_get_parent(phy);
273 id = get_property(phy, "reg", NULL);
274 ret = of_address_to_resource(mdio, 0, &res);
281 gfar_data.phy_id = *id;
282 gfar_data.bus_id = res.start;
288 platform_device_add_data(gfar_dev, &gfar_data,
290 gianfar_platform_data));
298 platform_device_unregister(gfar_dev);
303 arch_initcall(gfar_of_init);
305 static int __init fsl_i2c_of_init(void)
307 struct device_node *np;
309 struct platform_device *i2c_dev;
312 for (np = NULL, i = 0;
313 (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
315 struct resource r[2];
316 struct fsl_i2c_platform_data i2c_data;
317 const unsigned char *flags = NULL;
319 memset(&r, 0, sizeof(r));
320 memset(&i2c_data, 0, sizeof(i2c_data));
322 ret = of_address_to_resource(np, 0, &r[0]);
326 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
327 r[1].flags = IORESOURCE_IRQ;
329 i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
330 if (IS_ERR(i2c_dev)) {
331 ret = PTR_ERR(i2c_dev);
335 i2c_data.device_flags = 0;
336 flags = get_property(np, "dfsrr", NULL);
338 i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
340 flags = get_property(np, "fsl5200-clocking", NULL);
342 i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
345 platform_device_add_data(i2c_dev, &i2c_data,
347 fsl_i2c_platform_data));
355 platform_device_unregister(i2c_dev);
360 arch_initcall(fsl_i2c_of_init);
362 #ifdef CONFIG_PPC_83xx
363 static int __init mpc83xx_wdt_init(void)
366 struct device_node *soc, *np;
367 struct platform_device *dev;
368 const unsigned int *freq;
371 np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
378 soc = of_find_node_by_type(NULL, "soc");
385 freq = get_property(soc, "bus-frequency", NULL);
391 memset(&r, 0, sizeof(r));
393 ret = of_address_to_resource(np, 0, &r);
397 dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
403 ret = platform_device_add_data(dev, freq, sizeof(int));
413 platform_device_unregister(dev);
422 arch_initcall(mpc83xx_wdt_init);
425 static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
428 return FSL_USB2_PHY_NONE;
429 if (!strcasecmp(phy_type, "ulpi"))
430 return FSL_USB2_PHY_ULPI;
431 if (!strcasecmp(phy_type, "utmi"))
432 return FSL_USB2_PHY_UTMI;
433 if (!strcasecmp(phy_type, "utmi_wide"))
434 return FSL_USB2_PHY_UTMI_WIDE;
435 if (!strcasecmp(phy_type, "serial"))
436 return FSL_USB2_PHY_SERIAL;
438 return FSL_USB2_PHY_NONE;
441 static int __init fsl_usb_of_init(void)
443 struct device_node *np;
445 struct platform_device *usb_dev_mph = NULL, *usb_dev_dr = NULL;
448 for (np = NULL, i = 0;
449 (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
451 struct resource r[2];
452 struct fsl_usb2_platform_data usb_data;
453 const unsigned char *prop = NULL;
455 memset(&r, 0, sizeof(r));
456 memset(&usb_data, 0, sizeof(usb_data));
458 ret = of_address_to_resource(np, 0, &r[0]);
462 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
463 r[1].flags = IORESOURCE_IRQ;
466 platform_device_register_simple("fsl-ehci", i, r, 2);
467 if (IS_ERR(usb_dev_mph)) {
468 ret = PTR_ERR(usb_dev_mph);
472 usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
473 usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
475 usb_data.operating_mode = FSL_USB2_MPH_HOST;
477 prop = get_property(np, "port0", NULL);
479 usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
481 prop = get_property(np, "port1", NULL);
483 usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
485 prop = get_property(np, "phy_type", NULL);
486 usb_data.phy_mode = determine_usb_phy(prop);
489 platform_device_add_data(usb_dev_mph, &usb_data,
491 fsl_usb2_platform_data));
497 (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
499 struct resource r[2];
500 struct fsl_usb2_platform_data usb_data;
501 const unsigned char *prop = NULL;
503 memset(&r, 0, sizeof(r));
504 memset(&usb_data, 0, sizeof(usb_data));
506 ret = of_address_to_resource(np, 0, &r[0]);
510 r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
511 r[1].flags = IORESOURCE_IRQ;
514 platform_device_register_simple("fsl-ehci", i, r, 2);
515 if (IS_ERR(usb_dev_dr)) {
516 ret = PTR_ERR(usb_dev_dr);
520 usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
521 usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;
523 usb_data.operating_mode = FSL_USB2_DR_HOST;
525 prop = get_property(np, "phy_type", NULL);
526 usb_data.phy_mode = determine_usb_phy(prop);
529 platform_device_add_data(usb_dev_dr, &usb_data,
531 fsl_usb2_platform_data));
539 platform_device_unregister(usb_dev_dr);
542 platform_device_unregister(usb_dev_mph);
547 arch_initcall(fsl_usb_of_init);
551 static const char fcc_regs[] = "fcc_regs";
552 static const char fcc_regs_c[] = "fcc_regs_c";
553 static const char fcc_pram[] = "fcc_pram";
554 static char bus_id[9][BUS_ID_SIZE];
556 static int __init fs_enet_of_init(void)
558 struct device_node *np;
560 struct platform_device *fs_enet_dev;
564 for (np = NULL, i = 0;
565 (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
567 struct resource r[4];
568 struct device_node *phy, *mdio;
569 struct fs_platform_info fs_enet_data;
570 const unsigned int *id, *phy_addr, phy_irq;
571 const void *mac_addr;
575 memset(r, 0, sizeof(r));
576 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
578 ret = of_address_to_resource(np, 0, &r[0]);
581 r[0].name = fcc_regs;
583 ret = of_address_to_resource(np, 1, &r[1]);
586 r[1].name = fcc_pram;
588 ret = of_address_to_resource(np, 2, &r[2]);
591 r[2].name = fcc_regs_c;
592 fs_enet_data.fcc_regs_c = r[2].start;
594 r[3].start = r[3].end = irq_of_parse_and_map(np, 0);
595 r[3].flags = IORESOURCE_IRQ;
598 platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
600 if (IS_ERR(fs_enet_dev)) {
601 ret = PTR_ERR(fs_enet_dev);
605 model = get_property(np, "model", NULL);
611 mac_addr = get_property(np, "mac-address", NULL);
612 memcpy(fs_enet_data.macaddr, mac_addr, 6);
614 ph = get_property(np, "phy-handle", NULL);
615 phy = of_find_node_by_phandle(*ph);
622 phy_addr = get_property(phy, "reg", NULL);
623 fs_enet_data.phy_addr = *phy_addr;
625 phy_irq = get_property(phy, "interrupts", NULL);
627 id = get_property(np, "device-id", NULL);
628 fs_enet_data.fs_no = *id;
629 strcpy(fs_enet_data.fs_type, model);
631 mdio = of_get_parent(phy);
632 ret = of_address_to_resource(mdio, 0, &res);
639 fs_enet_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
640 fs_enet_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
642 if (strstr(model, "FCC")) {
643 int fcc_index = *id - 1;
644 unsigned char* mdio_bb_prop;
646 fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
647 fs_enet_data.rx_ring = 32;
648 fs_enet_data.tx_ring = 32;
649 fs_enet_data.rx_copybreak = 240;
650 fs_enet_data.use_napi = 0;
651 fs_enet_data.napi_weight = 17;
652 fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
653 fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
654 fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
656 snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
657 (u32)res.start, fs_enet_data.phy_addr);
658 fs_enet_data.bus_id = (char*)&bus_id[(*id)];
659 fs_enet_data.init_ioports = init_fcc_ioports;
661 mdio_bb_prop = get_property(phy, "bitbang", NULL);
663 struct platform_device *fs_enet_mdio_bb_dev;
664 struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;
666 fs_enet_mdio_bb_dev =
667 platform_device_register_simple("fsl-bb-mdio",
669 memset(&fs_enet_mdio_bb_data, 0,
670 sizeof(struct fs_mii_bb_platform_info));
671 fs_enet_mdio_bb_data.mdio_dat.bit =
673 fs_enet_mdio_bb_data.mdio_dir.bit =
675 fs_enet_mdio_bb_data.mdc_dat.bit =
677 fs_enet_mdio_bb_data.mdio_port =
679 fs_enet_mdio_bb_data.mdc_port =
681 fs_enet_mdio_bb_data.delay =
684 fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
685 fs_enet_mdio_bb_data.irq[1] = -1;
686 fs_enet_mdio_bb_data.irq[2] = -1;
687 fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
688 fs_enet_mdio_bb_data.irq[31] = -1;
690 fs_enet_mdio_bb_data.mdio_dat.offset =
691 (u32)&cpm2_immr->im_ioport.iop_pdatc;
692 fs_enet_mdio_bb_data.mdio_dir.offset =
693 (u32)&cpm2_immr->im_ioport.iop_pdirc;
694 fs_enet_mdio_bb_data.mdc_dat.offset =
695 (u32)&cpm2_immr->im_ioport.iop_pdatc;
697 ret = platform_device_add_data(
699 &fs_enet_mdio_bb_data,
700 sizeof(struct fs_mii_bb_platform_info));
708 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
717 platform_device_unregister(fs_enet_dev);
722 arch_initcall(fs_enet_of_init);
724 static const char scc_regs[] = "regs";
725 static const char scc_pram[] = "pram";
727 static int __init cpm_uart_of_init(void)
729 struct device_node *np;
731 struct platform_device *cpm_uart_dev;
734 for (np = NULL, i = 0;
735 (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
737 struct resource r[3];
738 struct fs_uart_platform_info cpm_uart_data;
742 memset(r, 0, sizeof(r));
743 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
745 ret = of_address_to_resource(np, 0, &r[0]);
749 r[0].name = scc_regs;
751 ret = of_address_to_resource(np, 1, &r[1]);
754 r[1].name = scc_pram;
756 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
757 r[2].flags = IORESOURCE_IRQ;
760 platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
762 if (IS_ERR(cpm_uart_dev)) {
763 ret = PTR_ERR(cpm_uart_dev);
767 id = get_property(np, "device-id", NULL);
768 cpm_uart_data.fs_no = *id;
770 model = (char*)get_property(np, "model", NULL);
771 strcpy(cpm_uart_data.fs_type, model);
773 cpm_uart_data.uart_clk = ppc_proc_freq;
775 cpm_uart_data.tx_num_fifo = 4;
776 cpm_uart_data.tx_buf_size = 32;
777 cpm_uart_data.rx_num_fifo = 4;
778 cpm_uart_data.rx_buf_size = 32;
779 cpm_uart_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
780 cpm_uart_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
783 platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
785 fs_uart_platform_info));
793 platform_device_unregister(cpm_uart_dev);
798 arch_initcall(cpm_uart_of_init);
799 #endif /* CONFIG_CPM2 */