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19#include <linux/stddef.h>
20#include <linux/kernel.h>
21#include <linux/init.h>
22#include <linux/errno.h>
23#include <linux/reboot.h>
24#include <linux/pci.h>
25#include <linux/kdev_t.h>
26#include <linux/major.h>
27#include <linux/console.h>
28#include <linux/delay.h>
29#include <linux/seq_file.h>
30#include <linux/initrd.h>
31#include <linux/module.h>
32#include <linux/fsl_devices.h>
33
34#include <asm/of_device.h>
35#include <asm/of_platform.h>
36#include <asm/system.h>
37#include <asm/atomic.h>
38#include <asm/time.h>
39#include <asm/io.h>
40#include <asm/machdep.h>
41#include <asm/pci-bridge.h>
42#include <asm/irq.h>
43#include <mm/mmu_decl.h>
44#include <asm/prom.h>
45#include <asm/udbg.h>
46#include <sysdev/fsl_soc.h>
47#include <sysdev/fsl_pci.h>
48#include <asm/qe.h>
49#include <asm/qe_ic.h>
50#include <asm/mpic.h>
51
52#undef DEBUG
53#ifdef DEBUG
54#define DBG(fmt...) udbg_printf(fmt)
55#else
56#define DBG(fmt...)
57#endif
58
59
60
61
62
63
64static void __init mpc85xx_mds_setup_arch(void)
65{
66 struct device_node *np;
67 static u8 *bcsr_regs = NULL;
68
69 if (ppc_md.progress)
70 ppc_md.progress("mpc85xx_mds_setup_arch()", 0);
71
72
73 np = of_find_node_by_name(NULL, "bcsr");
74 if (np != NULL) {
75 struct resource res;
76
77 of_address_to_resource(np, 0, &res);
78 bcsr_regs = ioremap(res.start, res.end - res.start +1);
79 of_node_put(np);
80 }
81
82#ifdef CONFIG_PCI
83 for_each_node_by_type(np, "pci") {
84 if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
85 of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
86 struct resource rsrc;
87 of_address_to_resource(np, 0, &rsrc);
88 if ((rsrc.start & 0xfffff) == 0x8000)
89 fsl_add_bridge(np, 1);
90 else
91 fsl_add_bridge(np, 0);
92 }
93 }
94#endif
95
96#ifdef CONFIG_QUICC_ENGINE
97 if ((np = of_find_node_by_name(NULL, "qe")) != NULL) {
98 qe_reset();
99 of_node_put(np);
100 }
101
102 if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
103 struct device_node *ucc = NULL;
104
105 par_io_init(np);
106 of_node_put(np);
107
108 for ( ;(ucc = of_find_node_by_name(ucc, "ucc")) != NULL;)
109 par_io_of_config(ucc);
110
111 of_node_put(ucc);
112 }
113
114 if (bcsr_regs) {
115#define BCSR_UCC1_GETH_EN (0x1 << 7)
116#define BCSR_UCC2_GETH_EN (0x1 << 7)
117#define BCSR_UCC1_MODE_MSK (0x3 << 4)
118#define BCSR_UCC2_MODE_MSK (0x3 << 0)
119
120
121 clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
122 clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
123
124
125 clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
126 BCSR_UCC2_MODE_MSK);
127
128
129 setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
130 setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
131
132 iounmap(bcsr_regs);
133 }
134
135#endif
136}
137
138static struct of_device_id mpc85xx_ids[] = {
139 { .type = "soc", },
140 { .compatible = "soc", },
141 { .type = "qe", },
142 {},
143};
144
145static int __init mpc85xx_publish_devices(void)
146{
147 if (!machine_is(mpc85xx_mds))
148 return 0;
149
150
151 of_platform_bus_probe(NULL,mpc85xx_ids,NULL);
152
153 return 0;
154}
155device_initcall(mpc85xx_publish_devices);
156
157static void __init mpc85xx_mds_pic_init(void)
158{
159 struct mpic *mpic;
160 struct resource r;
161 struct device_node *np = NULL;
162
163 np = of_find_node_by_type(NULL, "open-pic");
164 if (!np)
165 return;
166
167 if (of_address_to_resource(np, 0, &r)) {
168 printk(KERN_ERR "Failed to map mpic register space\n");
169 of_node_put(np);
170 return;
171 }
172
173 mpic = mpic_alloc(np, r.start,
174 MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
175 0, 256, " OpenPIC ");
176 BUG_ON(mpic == NULL);
177 of_node_put(np);
178
179 mpic_init(mpic);
180
181#ifdef CONFIG_QUICC_ENGINE
182 np = of_find_node_by_type(NULL, "qeic");
183 if (!np)
184 return;
185
186 qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
187 of_node_put(np);
188#endif
189}
190
191static int __init mpc85xx_mds_probe(void)
192{
193 unsigned long root = of_get_flat_dt_root();
194
195 return of_flat_dt_is_compatible(root, "MPC85xxMDS");
196}
197
198define_machine(mpc85xx_mds) {
199 .name = "MPC85xx MDS",
200 .probe = mpc85xx_mds_probe,
201 .setup_arch = mpc85xx_mds_setup_arch,
202 .init_IRQ = mpc85xx_mds_pic_init,
203 .get_irq = mpic_get_irq,
204 .restart = fsl_rstcr_restart,
205 .calibrate_decr = generic_calibrate_decr,
206 .progress = udbg_progress,
207#ifdef CONFIG_PCI
208 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
209#endif
210};
211