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-rw-r--r--arch/powerpc/sysdev/fsl_soc.c281
1 files changed, 276 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 92ba378b7990..022ed275ea68 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -3,6 +3,9 @@
3 * 3 *
4 * Maintained by Kumar Gala (see MAINTAINERS for contact information) 4 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
5 * 5 *
6 * 2006 (c) MontaVista Software, Inc.
7 * Vitaly Bordug <vbordug@ru.mvista.com>
8 *
6 * This program is free software; you can redistribute it and/or modify it 9 * 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 10 * 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 11 * Free Software Foundation; either version 2 of the License, or (at your
@@ -20,15 +23,20 @@
20#include <linux/device.h> 23#include <linux/device.h>
21#include <linux/platform_device.h> 24#include <linux/platform_device.h>
22#include <linux/fsl_devices.h> 25#include <linux/fsl_devices.h>
26#include <linux/fs_enet_pd.h>
27#include <linux/fs_uart_pd.h>
23 28
24#include <asm/system.h> 29#include <asm/system.h>
25#include <asm/atomic.h> 30#include <asm/atomic.h>
26#include <asm/io.h> 31#include <asm/io.h>
27#include <asm/irq.h> 32#include <asm/irq.h>
33#include <asm/time.h>
28#include <asm/prom.h> 34#include <asm/prom.h>
29#include <sysdev/fsl_soc.h> 35#include <sysdev/fsl_soc.h>
30#include <mm/mmu_decl.h> 36#include <mm/mmu_decl.h>
37#include <asm/cpm2.h>
31 38
39extern void init_fcc_ioports(struct fs_platform_info*);
32static phys_addr_t immrbase = -1; 40static phys_addr_t immrbase = -1;
33 41
34phys_addr_t get_immrbase(void) 42phys_addr_t get_immrbase(void)
@@ -42,7 +50,9 @@ phys_addr_t get_immrbase(void)
42 if (soc) { 50 if (soc) {
43 unsigned int size; 51 unsigned int size;
44 const void *prop = get_property(soc, "reg", &size); 52 const void *prop = get_property(soc, "reg", &size);
45 immrbase = of_translate_address(soc, prop); 53
54 if (prop)
55 immrbase = of_translate_address(soc, prop);
46 of_node_put(soc); 56 of_node_put(soc);
47 }; 57 };
48 58
@@ -51,6 +61,59 @@ phys_addr_t get_immrbase(void)
51 61
52EXPORT_SYMBOL(get_immrbase); 62EXPORT_SYMBOL(get_immrbase);
53 63
64#ifdef CONFIG_CPM2
65
66static u32 brgfreq = -1;
67
68u32 get_brgfreq(void)
69{
70 struct device_node *node;
71
72 if (brgfreq != -1)
73 return brgfreq;
74
75 node = of_find_node_by_type(NULL, "cpm");
76 if (node) {
77 unsigned int size;
78 const unsigned int *prop = get_property(node, "brg-frequency",
79 &size);
80
81 if (prop)
82 brgfreq = *prop;
83 of_node_put(node);
84 };
85
86 return brgfreq;
87}
88
89EXPORT_SYMBOL(get_brgfreq);
90
91static u32 fs_baudrate = -1;
92
93u32 get_baudrate(void)
94{
95 struct device_node *node;
96
97 if (fs_baudrate != -1)
98 return fs_baudrate;
99
100 node = of_find_node_by_type(NULL, "serial");
101 if (node) {
102 unsigned int size;
103 const unsigned int *prop = get_property(node, "current-speed",
104 &size);
105
106 if (prop)
107 fs_baudrate = *prop;
108 of_node_put(node);
109 };
110
111 return fs_baudrate;
112}
113
114EXPORT_SYMBOL(get_baudrate);
115#endif /* CONFIG_CPM2 */
116
54static int __init gfar_mdio_of_init(void) 117static int __init gfar_mdio_of_init(void)
55{ 118{
56 struct device_node *np; 119 struct device_node *np;
@@ -85,8 +148,11 @@ static int __init gfar_mdio_of_init(void)
85 mdio_data.irq[k] = -1; 148 mdio_data.irq[k] = -1;
86 149
87 while ((child = of_get_next_child(np, child)) != NULL) { 150 while ((child = of_get_next_child(np, child)) != NULL) {
88 const u32 *id = get_property(child, "reg", NULL); 151 int irq = irq_of_parse_and_map(child, 0);
89 mdio_data.irq[*id] = irq_of_parse_and_map(child, 0); 152 if (irq != NO_IRQ) {
153 const u32 *id = get_property(child, "reg", NULL);
154 mdio_data.irq[*id] = irq;
155 }
90 } 156 }
91 157
92 ret = 158 ret =
@@ -128,7 +194,7 @@ static int __init gfar_of_init(void)
128 const char *model; 194 const char *model;
129 const void *mac_addr; 195 const void *mac_addr;
130 const phandle *ph; 196 const phandle *ph;
131 int n_res = 1; 197 int n_res = 2;
132 198
133 memset(r, 0, sizeof(r)); 199 memset(r, 0, sizeof(r));
134 memset(&gfar_data, 0, sizeof(gfar_data)); 200 memset(&gfar_data, 0, sizeof(gfar_data));
@@ -159,7 +225,7 @@ static int __init gfar_of_init(void)
159 225
160 gfar_dev = 226 gfar_dev =
161 platform_device_register_simple("fsl-gianfar", i, &r[0], 227 platform_device_register_simple("fsl-gianfar", i, &r[0],
162 n_res + 1); 228 n_res);
163 229
164 if (IS_ERR(gfar_dev)) { 230 if (IS_ERR(gfar_dev)) {
165 ret = PTR_ERR(gfar_dev); 231 ret = PTR_ERR(gfar_dev);
@@ -478,3 +544,208 @@ err:
478} 544}
479 545
480arch_initcall(fsl_usb_of_init); 546arch_initcall(fsl_usb_of_init);
547
548#ifdef CONFIG_CPM2
549
550static const char fcc_regs[] = "fcc_regs";
551static const char fcc_regs_c[] = "fcc_regs_c";
552static const char fcc_pram[] = "fcc_pram";
553static char bus_id[9][BUS_ID_SIZE];
554
555static int __init fs_enet_of_init(void)
556{
557 struct device_node *np;
558 unsigned int i;
559 struct platform_device *fs_enet_dev;
560 struct resource res;
561 int ret;
562
563 for (np = NULL, i = 0;
564 (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
565 i++) {
566 struct resource r[4];
567 struct device_node *phy, *mdio;
568 struct fs_platform_info fs_enet_data;
569 const unsigned int *id, *phy_addr;
570 const void *mac_addr;
571 const phandle *ph;
572 const char *model;
573
574 memset(r, 0, sizeof(r));
575 memset(&fs_enet_data, 0, sizeof(fs_enet_data));
576
577 ret = of_address_to_resource(np, 0, &r[0]);
578 if (ret)
579 goto err;
580 r[0].name = fcc_regs;
581
582 ret = of_address_to_resource(np, 1, &r[1]);
583 if (ret)
584 goto err;
585 r[1].name = fcc_pram;
586
587 ret = of_address_to_resource(np, 2, &r[2]);
588 if (ret)
589 goto err;
590 r[2].name = fcc_regs_c;
591
592 r[3].start = r[3].end = irq_of_parse_and_map(np, 0);
593 r[3].flags = IORESOURCE_IRQ;
594
595 fs_enet_dev =
596 platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);
597
598 if (IS_ERR(fs_enet_dev)) {
599 ret = PTR_ERR(fs_enet_dev);
600 goto err;
601 }
602
603 model = get_property(np, "model", NULL);
604 if (model == NULL) {
605 ret = -ENODEV;
606 goto unreg;
607 }
608
609 mac_addr = get_property(np, "mac-address", NULL);
610 memcpy(fs_enet_data.macaddr, mac_addr, 6);
611
612 ph = get_property(np, "phy-handle", NULL);
613 phy = of_find_node_by_phandle(*ph);
614
615 if (phy == NULL) {
616 ret = -ENODEV;
617 goto unreg;
618 }
619
620 phy_addr = get_property(phy, "reg", NULL);
621 fs_enet_data.phy_addr = *phy_addr;
622
623 id = get_property(np, "device-id", NULL);
624 fs_enet_data.fs_no = *id;
625 strcpy(fs_enet_data.fs_type, model);
626
627 mdio = of_get_parent(phy);
628 ret = of_address_to_resource(mdio, 0, &res);
629 if (ret) {
630 of_node_put(phy);
631 of_node_put(mdio);
632 goto unreg;
633 }
634
635 fs_enet_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
636 fs_enet_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
637
638 if (strstr(model, "FCC")) {
639 int fcc_index = *id - 1;
640
641 fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
642 fs_enet_data.rx_ring = 32;
643 fs_enet_data.tx_ring = 32;
644 fs_enet_data.rx_copybreak = 240;
645 fs_enet_data.use_napi = 0;
646 fs_enet_data.napi_weight = 17;
647 fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
648 fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
649 fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);
650
651 snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
652 (u32)res.start, fs_enet_data.phy_addr);
653 fs_enet_data.bus_id = (char*)&bus_id[(*id)];
654 fs_enet_data.init_ioports = init_fcc_ioports;
655 }
656
657 of_node_put(phy);
658 of_node_put(mdio);
659
660 ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
661 sizeof(struct
662 fs_platform_info));
663 if (ret)
664 goto unreg;
665 }
666 return 0;
667
668unreg:
669 platform_device_unregister(fs_enet_dev);
670err:
671 return ret;
672}
673
674arch_initcall(fs_enet_of_init);
675
676static const char scc_regs[] = "regs";
677static const char scc_pram[] = "pram";
678
679static int __init cpm_uart_of_init(void)
680{
681 struct device_node *np;
682 unsigned int i;
683 struct platform_device *cpm_uart_dev;
684 int ret;
685
686 for (np = NULL, i = 0;
687 (np = of_find_compatible_node(np, "serial", "cpm_uart")) != NULL;
688 i++) {
689 struct resource r[3];
690 struct fs_uart_platform_info cpm_uart_data;
691 const int *id;
692 const char *model;
693
694 memset(r, 0, sizeof(r));
695 memset(&cpm_uart_data, 0, sizeof(cpm_uart_data));
696
697 ret = of_address_to_resource(np, 0, &r[0]);
698 if (ret)
699 goto err;
700
701 r[0].name = scc_regs;
702
703 ret = of_address_to_resource(np, 1, &r[1]);
704 if (ret)
705 goto err;
706 r[1].name = scc_pram;
707
708 r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
709 r[2].flags = IORESOURCE_IRQ;
710
711 cpm_uart_dev =
712 platform_device_register_simple("fsl-cpm-scc:uart", i, &r[0], 3);
713
714 if (IS_ERR(cpm_uart_dev)) {
715 ret = PTR_ERR(cpm_uart_dev);
716 goto err;
717 }
718
719 id = get_property(np, "device-id", NULL);
720 cpm_uart_data.fs_no = *id;
721
722 model = (char*)get_property(np, "model", NULL);
723 strcpy(cpm_uart_data.fs_type, model);
724
725 cpm_uart_data.uart_clk = ppc_proc_freq;
726
727 cpm_uart_data.tx_num_fifo = 4;
728 cpm_uart_data.tx_buf_size = 32;
729 cpm_uart_data.rx_num_fifo = 4;
730 cpm_uart_data.rx_buf_size = 32;
731 cpm_uart_data.clk_rx = *((u32 *) get_property(np, "rx-clock", NULL));
732 cpm_uart_data.clk_tx = *((u32 *) get_property(np, "tx-clock", NULL));
733
734 ret =
735 platform_device_add_data(cpm_uart_dev, &cpm_uart_data,
736 sizeof(struct
737 fs_uart_platform_info));
738 if (ret)
739 goto unreg;
740 }
741
742 return 0;
743
744unreg:
745 platform_device_unregister(cpm_uart_dev);
746err:
747 return ret;
748}
749
750arch_initcall(cpm_uart_of_init);
751#endif /* CONFIG_CPM2 */